From 033bc3184a499a6f25d1a4f12450ee6523f9eab8 Mon Sep 17 00:00:00 2001 From: Shura Fedorovskyi Date: Wed, 26 Aug 2026 17:38:31 +0400 Subject: [PATCH 01/25] Paint the lights from a video frame Lights around a screen can now follow what is on it. A Video service publishes a frame, an Ambilight effect gives each light the mean of the picture nearest it, and a Rectangle layout puts a strip around the display. Performance: not collected (no board attached this cycle). **Core** - VideoService publishes one frame per tick through a static seat, the same one-active-source election AudioService uses for its mic. Two sources: a synthesised test pattern that needs no hardware, and a binary PPM off the filesystem. - VideoFrame is a POD with a borrowed pointer and a sequence number. `seq` is compared for inequality only, never ordering, so a consumer can tell "this is the frame I already have" without a wraparound rule. **Light domain** - AmbilightEffect averages a rectangle of the source per light position. The mean rather than a sampled pixel, because a single pixel flickers on grain and moving edges. `saturation` pushes each channel back out from its zone's luma, since averaging mixes hues toward grey. - RectangleLayout emits a hollow perimeter, 2(width+height)-4 lights, with startCorner and clockwise describing the wiring rather than the shape. - Drivers gain gamma and per-channel white balance. Both fold into the brightness LUT the driver already builds, so the hot path stays one lookup per channel and neither costs anything per light. Gamma is applied before the linear scales, or a colour would shift as the brightness slider moved. **Tests** - The frame-to-light mapping end to end through the real static seam, the PPM header grammar, and the eight wiring permutations of the rectangle. **Docs** - Video service, Ambilight effect, Rectangle layout, and the two new driver controls. Co-Authored-By: Claude Opus 5 (1M context) --- .gitignore | 4 + docs/metrics/repo-health.json | 38 +-- docs/metrics/repo-health.md | 28 +- docs/moonmodules/core/services.md | 21 ++ docs/moonmodules/light/drivers.md | 2 + docs/moonmodules/light/effects.md | 19 ++ docs/moonmodules/light/layouts.md | 18 ++ moondeck/scenario/run_network_live.py | 13 +- src/core/VideoFrame.h | 23 ++ src/core/VideoService.h | 261 ++++++++++++++++++ src/light/drivers/Correction.h | 69 +++-- src/light/drivers/DriverBase.h | 33 ++- src/light/drivers/Drivers.h | 9 +- src/light/effects/AmbilightEffect.h | 124 +++++++++ src/light/layouts/RectangleLayout.h | 107 +++++++ src/main.cpp | 6 + test/CMakeLists.txt | 3 + .../light/scenario_modifier_chain.json | 8 +- test/scenarios/light/scenario_perf_full.json | 20 +- test/scenarios/light/scenario_perf_light.json | 8 +- .../light/scenario_peripheral_grid_sweep.json | 64 ++--- .../light/scenario_peripheral_switch.json | 24 +- test/unit/core/unit_VideoService.cpp | 122 ++++++++ test/unit/light/unit_AmbilightEffect.cpp | 180 ++++++++++++ test/unit/light/unit_Correction.cpp | 105 ++++++- test/unit/light/unit_Drivers_container.cpp | 12 +- test/unit/light/unit_RectangleLayout.cpp | 185 +++++++++++++ 27 files changed, 1363 insertions(+), 143 deletions(-) create mode 100644 src/core/VideoFrame.h create mode 100644 src/core/VideoService.h create mode 100644 src/light/effects/AmbilightEffect.h create mode 100644 src/light/layouts/RectangleLayout.h create mode 100644 test/unit/core/unit_VideoService.cpp create mode 100644 test/unit/light/unit_AmbilightEffect.cpp create mode 100644 test/unit/light/unit_RectangleLayout.cpp diff --git a/.gitignore b/.gitignore index f3829b9c..69a3a35e 100644 --- a/.gitignore +++ b/.gitignore @@ -130,3 +130,7 @@ __pycache__/ # Root-anchored + dir-scoped, like /build/ above: a bare `.snapshots` would also swallow any # nested path of that name anywhere in the tree. /.snapshots/ + +# Knowledge-graph output (the /graphify skill). Root-anchored + dir-scoped like the entries above, +# so a nested path of that name elsewhere is not swallowed. +/graphify-out/ diff --git a/docs/metrics/repo-health.json b/docs/metrics/repo-health.json index 7d085979..78105505 100644 --- a/docs/metrics/repo-health.json +++ b/docs/metrics/repo-health.json @@ -1,9 +1,9 @@ { - "commit": "854acf2d", + "commit": "d65bae2", "flash": { "esp32": 1754896, "esp32p4rev1-eth": 1643616, - "esp32p4rev1-eth-wifi": 1928640, + "esp32p4rev1-eth-wifi": 1940176, "esp32s3-n16r8": 1794496, "esp32s3-n8r8": 1753232, "esp32s31": 2074256, @@ -12,12 +12,12 @@ "esp32-wrover": 1765504, "qemu": 1318160, "esp32p4rev3-eth": 1643760, - "desktop": 1193320 + "desktop": 1580056 }, "perf": { "desktop": { - "tick_us": 179, - "fps": 5586 + "tick_us": 91, + "fps": 10989 }, "esp32": { "tick_us": 2151, @@ -25,21 +25,21 @@ } }, "loc": { - "core": 19407, - "light": 25102, + "core": 19691, + "light": 25380, "platform": 13509, "ui": 6859, - "test": 44249, - "moondeck": 21154 + "test": 44829, + "moondeck": 21159 }, "comments": { "core": { - "lines": 7612, - "ratio": 0.425 + "lines": 7676, + "ratio": 0.423 }, "light": { - "lines": 9849, - "ratio": 0.433 + "lines": 9922, + "ratio": 0.432 }, "platform": { "lines": 4806, @@ -50,28 +50,28 @@ "ratio": 0.279 }, "test": { - "lines": 7980, - "ratio": 0.207 + "lines": 8093, + "ratio": 0.208 }, "moondeck": { - "lines": 3427, + "lines": 3425, "ratio": 0.185 } }, "tests": { - "cases": 1429, + "cases": 1461, "scenarios": 23 }, "docs": { "md_files": 183, - "md_lines": 26626, + "md_lines": 26686, "plans_files": 93, "backlog_lines": 4239, "lessons_lines": 549, "claude_md_lines": 135 }, "complexity": { - "functions": 2600, + "functions": 2632, "over_threshold": 163, "worst_ccn": 108 } diff --git a/docs/metrics/repo-health.md b/docs/metrics/repo-health.md index 10513612..42ace500 100644 --- a/docs/metrics/repo-health.md +++ b/docs/metrics/repo-health.md @@ -1,6 +1,6 @@ # Repo health -Measured at `854acf2d`. Generated by [`moondeck/check/repo_health.py`](../../moondeck/check/repo_health.py) on every KPI-gate run. **Do not edit by hand.** +Measured at `d65bae2`. Generated by [`moondeck/check/repo_health.py`](../../moondeck/check/repo_health.py) on every KPI-gate run. **Do not edit by hand.** Current state only; the trend is this file's git history (`git log -p docs/metrics/repo-health.md`). Nothing here fails a build: the numbers make growth visible, the judgment stays human. @@ -8,15 +8,15 @@ Current state only; the trend is this file's git history (`git log -p docs/metri | Target | Flash | |---|---:| -| desktop | 1,165 KB (+0 KB) ⚠ | +| desktop | 1,543 KB (+378 KB) ⚠ | | esp32 | 1,714 KB | | esp32-16mb | 1,674 KB | | esp32-eth | 1,294 KB | | esp32-wrover | 1,724 KB | | esp32p4rev1-eth | 1,605 KB | -| esp32p4rev1-eth-wifi | 1,883 KB | +| esp32p4rev1-eth-wifi | 1,895 KB (+11 KB) ⚠ | | esp32p4rev3-eth | 1,605 KB | -| esp32s3-n16r8 | 1,752 KB (−0 KB) ✓ | +| esp32s3-n16r8 | 1,752 KB | | esp32s3-n8r8 | 1,712 KB | | esp32s31 | 2,026 KB | | qemu | 1,287 KB | @@ -25,32 +25,32 @@ Current state only; the trend is this file's git history (`git log -p docs/metri | Target | Tick | FPS | |---|---:|---:| -| desktop | 179 µs (−81 µs) ✓ | 5,586 (+1,740) ✓ | +| desktop | 91 µs (−88 µs) ✓ | 10,989 (+5,403) ✓ | | esp32 | 2,151 µs | 464 | ## Code | Area | Lines | Comments | Comment share | |---|---:|---:|---:| -| core | 19,407 (+1) ⚠ | 7,612 | 42.5 % | -| light | 25,102 (−7) ✓ | 9,849 | 43.3 % | -| platform | 13,509 (+2) ⚠ | 4,806 | 39.2 % | -| ui | 6,859 (−1) ✓ | 1,803 | 27.9 % | -| test | 44,249 (+49) ⚠ | 7,980 | 20.7 % | -| moondeck | 21,154 (−5) ✓ | 3,427 | 18.5 % (−0.1 %) ✓ | +| core | 19,691 (+284) ⚠ | 7,676 | 42.3 % (−0.2 %) ✓ | +| light | 25,380 (+278) ⚠ | 9,922 | 43.2 % (−0.1 %) ✓ | +| platform | 13,509 | 4,806 | 39.2 % | +| ui | 6,859 | 1,803 | 27.9 % | +| test | 44,829 (+580) ⚠ | 8,093 | 20.8 % (+0.1 %) ⚠ | +| moondeck | 21,159 (+5) ⚠ | 3,425 | 18.5 % | ## Tests | Kind | Count | |---|---:| -| unit cases | 1,429 (+2) ✓ | +| unit cases | 1,461 (+32) ✓ | | scenarios | 23 | ## Complexity | Metric | Value | |---|---:| -| functions | 2,600 (+3) ✓ | +| functions | 2,632 (+32) ✓ | | over threshold | 163 | | worst CCN | 108 | @@ -59,7 +59,7 @@ Current state only; the trend is this file's git history (`git log -p docs/metri | Metric | Value | |---|---:| | markdown files | 183 | -| markdown lines | 26,626 (+1) ⚠ | +| markdown lines | 26,686 (+60) ⚠ | | plan files | 93 | | backlog lines | 4,239 | | lessons lines | 549 | diff --git a/docs/moonmodules/core/services.md b/docs/moonmodules/core/services.md index 5e13217a..af8843ba 100644 --- a/docs/moonmodules/core/services.md +++ b/docs/moonmodules/core/services.md @@ -32,6 +32,27 @@ Detail: [technical](moxygen/AudioService.md) [Tests](../../tests/unit-tests.md#audioservice) + + +### Video + +A Service (added by the user, not auto-wired): the video source that feeds screen-follow effects via `VideoService::latestFrame()`. It is the counterpart of [Audio](#audio) for a picture — one decode per tick, published once, read by however many effects want it. `source` is the module's identity and decides which controls are shown. + +- `source` — `test pattern` synthesises a frame in memory and needs no hardware or files; `file` reads a binary PPM off the filesystem. +- `file` — (file) path to a binary PPM (P6, maxval 255). Upload it through the File Manager, or point at any path on the device. +- `reload` — (file) re-read the file in place, without rebuilding the pipeline. +- status — the live frame's dimensions (`640x480`), or the reason there is no frame. + +**The test pattern is a diagnostic, not decoration.** It paints four coloured border bands — red top, green right, blue bottom, yellow left — plus a white block sweeping along the top edge. On a border-mounted strip that makes orientation self-evident: a mis-set `startCorner` or `clockwise` on the [Rectangle](../light/layouts.md#rectangle) layout shows up as the wrong physical edge lighting, rather than as a subtly wrong picture you have to squint at. The sweeping block shows liveness and which way "forward" runs. + +**Why PPM.** The device's real capture path decodes MJPEG in the ESP32-P4's JPEG hardware, behind the platform layer; there is no software JPEG decoder in this codebase, and adding one so the desktop build could open a `.jpg` would buy a dependency for a development convenience. PPM is a raw RGB dump behind a three-line ASCII header, so it needs no decoder and is one command away from any source material: + +```sh +ffmpeg -i clip.mp4 -frames:v 1 -vf scale=64:36 -pix_fmt rgb24 frame.ppm +``` + +[Tests](../../tests/unit-tests.md#videoservice) + ### IR diff --git a/docs/moonmodules/light/drivers.md b/docs/moonmodules/light/drivers.md index 4ee873c1..65268275 100644 --- a/docs/moonmodules/light/drivers.md +++ b/docs/moonmodules/light/drivers.md @@ -17,6 +17,8 @@ Added once by [`DriverBase`](moxygen/DriverBase.md) so no driver re-implements i - `localBrightness` — this driver's dim (0–255), multiplied with the global brightness into one LUT; both sliders reach the output. - `lightPreset` — the [light preset](supporting.md) this driver applies per light (channel order / RGBW synthesis). At runtime the driver holds the preset's stable id, so **reordering** presets never disturbs the reference; the reference **survives a reboot** because the preset's *name* is persisted and re-resolved on load. The one caveat is **renaming**: within a session the id keeps the link, but after a reboot a renamed preset no longer matches the persisted name, so the driver falls back to the default preset — re-pick it if you rename a preset a driver uses. - `whiteMode` — how the white channel is derived for an RGBW strip, applied only when the referenced preset carries a W channel. +- `gamma x10` — gamma in tenths (`10` = 1.0 = off, the default; `22` = 2.2). An LED's output is near-linear in PWM duty while perception is a power law, so an uncorrected ramp reads as "bright fast, then flat"; the curve restores an even fade. Applied *before* brightness, so dimming never reshapes it. +- `balanceRed` / `balanceGreen` / `balanceBlue` — per-channel white balance (0–255, `255` = untouched). Trim **down** from 255 to pull a white point neutral: leave the weakest channel at 255 and lower the other two to match. There is no headroom above 255, so raising clips rather than balances. On an RGBW fixture the trims also feed the synthesized W, so the white channel can't carry a cast the trim just removed. - `start` — first light of the shared buffer this driver reads (default `0`). - `count` — how many lights from `start` this driver drives. **Blank / default drives all lights**; set a number to output only that slice — the way multiple drivers each own a section of one buffer (an onboard status LED at `0`, the main strip from `1`). diff --git a/docs/moonmodules/light/effects.md b/docs/moonmodules/light/effects.md index b65be320..951905fa 100644 --- a/docs/moonmodules/light/effects.md +++ b/docs/moonmodules/light/effects.md @@ -810,6 +810,25 @@ Detail: [technical](moxygen/NoiseEffect.md) ## projectMM-native effects + + +### Ambilight 📺 + +Paints the layer with the live frame from the [Video](../core/services.md#video) service, so lights around a display glow the colour of the picture nearest them — the screen-follow / Hyperion behaviour. Each light shows the **mean** of the source rectangle mapping to it, which is steady where a single sampled pixel would flicker on grain and moving edges. + +- `brightness` — scales the sampled colour. Dims *the video*, unlike the driver's brightness which dims everything. +- `saturation` — how far each channel is pushed from its zone's luma, as a percentage (100 = the mean untouched). Averaging mixes hues, so screen-follow lighting reads washed out without a boost. + +**The layout decides the shape.** The effect fills a logical box and knows nothing else. On a [Rectangle](layouts.md#rectangle) the interior maps to no LED, so a border strip shows the frame's border; on a [Grid](layouts.md#grid) the same effect is a video wall. Where your strip starts and which way it runs are `startCorner` and `clockwise` on the layout, not settings here. + +With no video source it paints black — every effect owns its background, so returning early would leave the previous effect's picture frozen on the strip. + +Origin: projectMM + +Detail: [technical](moxygen/AmbilightEffect.md) + +[Tests](../../tests/unit-tests.md#ambilighteffect) + ### AudioSpectrum 📊 diff --git a/docs/moonmodules/light/layouts.md b/docs/moonmodules/light/layouts.md index 783825af..a372354f 100644 --- a/docs/moonmodules/light/layouts.md +++ b/docs/moonmodules/light/layouts.md @@ -213,6 +213,24 @@ Detail: [technical](moxygen/GridBlacksLayout.md) [Tests](../../tests/unit-tests.md#gridblackslayout) + + +### Rectangle + +Lights around the **perimeter** of a `width` × `height` box, nothing inside it — the strip-around-a-frame primitive. Each corner holds one light, so the count is `2·(width + height) − 4`; a box one light thick degenerates to a plain line. Use [Grid](#grid) when the interior has LEDs too. + +- `width` / `height` — box extent in lights along each edge (1–500); 32×18 default is 16:9. +- `startCorner` — which corner light 0 sits at: top-left / top-right / bottom-right / bottom-left. +- `clockwise` — direction the indices run from that corner. + +The last two describe the **wiring, not the shape**: they reorder indices while every coordinate stays identical, so set them to match your build and an effect's "top edge" lights the physical top edge. Same split [Single Row](#singlerow) draws with `reversed order` and [Grid](#grid) with `serpentine`. + +Origin: projectMM + +Detail: [technical](moxygen/RectangleLayout.md) + +[Tests](../../tests/unit-tests.md#rectanglelayout) + ### Sphere diff --git a/moondeck/scenario/run_network_live.py b/moondeck/scenario/run_network_live.py index 2be18541..08caf78e 100644 --- a/moondeck/scenario/run_network_live.py +++ b/moondeck/scenario/run_network_live.py @@ -51,16 +51,21 @@ ROUND_COLORS = [(255, 128, 0), (0, 255, 128), (128, 0, 255), (255, 0, 128), (128, 255, 0), (0, 128, 255)] -# Mirrors src/light/drivers/Correction.h (briLut scale + order[] reorder) — a -# listener sees the sender's corrected bytes, so the expected color replicates -# that transform. 3-channel presets only; RGBW senders emit 4 bytes/light which -# misaligns a 3-channel listener buffer, so those legs are skipped. Keep in sync. +# 3-channel presets only: an RGBW sender emits 4 bytes/light, which misaligns a +# 3-channel listener buffer, so those legs are skipped. PRESET_ORDER = {"RGB": (0, 1, 2), "RBG": (0, 2, 1), "GRB": (1, 0, 2), "GBR": (1, 2, 0), "BRG": (2, 0, 1), "BGR": (2, 1, 0)} PRESET_NAMES = ["RGB", "RBG", "GRB", "GBR", "BRG", "BGR", "RGBW", "GRBW"] def corrected(rgb, brightness, preset): + """Mirror src/light/drivers/Correction.h so a listener's expected color matches the + sender's corrected bytes. Keep in sync. + + The DEFAULT correction only: with gamma at 1.0 and the white-balance trims at 255, + briLut collapses to the plain brightness scale below. A scenario that sets either + would have to model them here too. + """ scaled = [(v * int(brightness)) // 255 for v in rgb] order = PRESET_ORDER[preset] return tuple(scaled[order[i]] for i in range(3)) diff --git a/src/core/VideoFrame.h b/src/core/VideoFrame.h new file mode 100644 index 00000000..ebcde1b3 --- /dev/null +++ b/src/core/VideoFrame.h @@ -0,0 +1,23 @@ +#pragma once + +#include + +namespace mm { + +// One decoded video frame, produced by VideoService and read by video-reactive effects. Same +// plain-struct contract as AudioFrame, except a frame is hundreds of kilobytes, so this borrows a +// pointer to the producer's buffer rather than carrying the pixels. +// +// `rgb` is valid only until VideoService's next tick — hold it for one effect tick, never across +// frames. Before any frame exists it is null, which every consumer must tolerate. +struct VideoFrame { + const uint8_t* rgb = nullptr; // width*height*3, row-major, top-left origin, no padding + uint16_t width = 0; + uint16_t height = 0; + uint32_t seq = 0; // bumped per new frame; compare for INEQUALITY, never ordering. +}; + +// The "no source" frame consumers fall back to. +inline constexpr VideoFrame kNoVideoFrame{}; + +} // namespace mm diff --git a/src/core/VideoService.h b/src/core/VideoService.h new file mode 100644 index 00000000..b8a55ea6 --- /dev/null +++ b/src/core/VideoService.h @@ -0,0 +1,261 @@ +#pragma once + +#include "core/ActiveInstance.h" // the one-active-source seat (RAII vacate on destruct) +#include "core/color.h" // RGB — the pattern's band colours +#include "core/MoonModule.h" +#include "core/ScratchBuffer.h" +#include "core/VideoFrame.h" +#include "platform/platform.h" // fsSize / fsReadAt / millis + +#include +#include +#include + +namespace mm { + +/// The device's video input — one decoded RGB frame per tick, published through the static +/// `latestFrame()`. Decoded once here however many effects read it, and effects hold no pointer +/// to this module. +/// +/// Two sources. `test pattern` is a DIAGNOSTIC, not decoration: its coloured border bands make a +/// border-mapped effect's orientation self-evident, so a mis-set `startCorner` shows up as the +/// wrong physical edge lighting rather than as a subtly wrong picture. `file` reads a binary PPM. +/// +/// PPM rather than JPEG because there is no software JPEG decoder here — the real capture path uses +/// the P4's JPEG hardware behind the platform layer, and adding one for the desktop build would buy +/// a dependency for a convenience. USB capture lands as a third source filling the same buffer. +/// +/// Not auto-wired: the user adds it under the `Services` container +class VideoService : public MoonModule { +public: + ModuleRole role() const MM_NONBLOCKING override { return ModuleRole::Service; } + + // 0 = synthesised test pattern, 1 = PPM file. A USB capture source becomes index 2, appended so + // a persisted index keeps its meaning. + uint8_t source = 0; + char file[64] = "/frame.ppm"; + + static constexpr const char* kSourceOptions[] = {"test pattern", "file"}; + static constexpr uint8_t kSourceCount = sizeof(kSourceOptions) / sizeof(kSourceOptions[0]); + + // Synthesised-pattern extent. Small on purpose: a border effect averages the frame down to a + // few dozen values, so pixels beyond that buy nothing but bandwidth and decode time. 16:9. + static constexpr uint16_t kPatternW = 64; + static constexpr uint16_t kPatternH = 36; + static constexpr int kBand = kPatternH / 4; // thickness of each coloured edge + // Sanity ceiling for a loaded file - comfortably past 4K, so a corrupt header is rejected at + // parse time with a clear message instead of failing later as "too large for memory". What + // actually bounds the allocation is buf_.resize() failing, which allocate() handles. + static constexpr uint32_t kMaxDim = 4096; + + /// The live frame. The POINTER is never null - with no source this returns kNoVideoFrame, which + /// has a null `rgb`. So callers test the frame's contents, never the pointer + static const VideoFrame* latestFrame() MM_NONBLOCKING { + VideoService* v = ActiveInstance::active(); + return v ? &v->frame_ : &kNoVideoFrame; + } + + VideoService() { seat_.claim(); } + + void defineControls() override { + controls_.addSelect("source", source, kSourceOptions, kSourceCount); + controls_.addText("file", file, sizeof(file)); + controls_.setHidden(controls_.count() - 1, source != 1); + controls_.addButton("reload"); + controls_.setHidden(controls_.count() - 1, source != 1); + MoonModule::defineControls(); + } + + /// A source switch changes what the buffer must hold, so it re-runs the whole build. The reload + /// button re-reads the same file in place — cheap, and it must NOT tear down the pipeline. + bool affectsPrepare(const char* name) const override { + return std::strcmp(name, "source") == 0 || std::strcmp(name, "file") == 0; + } + + void onControlChanged(const char* name) override { + if (std::strcmp(name, "reload") == 0) loadFile(); + MoonModule::onControlChanged(name); + } + + /// Cold path: size the frame buffer for the selected source and fill it once, so a frame exists + /// before the first tick rather than one tick later. + void prepare() override { + seat_.claim(); // re-take after a disable/enable cycle — release() vacated it + if (source == 1) { + loadFile(); + } else { + if (!allocate(kPatternW, kPatternH)) return; + renderPattern(); + } + } + + /// Only the synthesised pattern regenerates per frame, since it animates; a still file keeps the + /// buffer it already holds. File I/O is blocking and belongs nowhere near this function. + void tick() MM_NONBLOCKING override { + // Take an EMPTY seat, so deleting the elected source while a second one runs hands over + // rather than going permanently dark. claim() only fills an empty seat, never yanks one. + seat_.claim(); + if (source == 0 && buf_.data()) renderPattern(); + MoonModule::tick(); + } + + void release() override { + seat_.vacate(); + frame_ = VideoFrame{}; + MoonModule::release(); + } + +private: + // The one-active-source election. Claimed at CONSTRUCTION (an effect resolves latestFrame() + // during its own build, before this module's prepare()), re-claimed in prepare() after a + // disable/enable, and in tick() so a survivor inherits an empty seat. + ActiveInstance seat_{*this}; + + ScratchBuffer buf_{*this}; // width*height*3, accounted in dynamicBytes() + VideoFrame frame_; + uint32_t seq_ = 0; + char status_[24] = {}; + + /// Drop the published frame and say why. Returns false so every failing path reads as one line, + /// `return fail("...")`, and none can forget to un-publish the stale frame. + bool fail(const char* why) { + frame_ = VideoFrame{}; + setStatus(why, Severity::Error); + return false; + } + + /// Size the buffer and point the published frame at it. False on any failure, so a too-large + /// image degrades to "no video" rather than to a crash. + bool allocate(uint16_t w, uint16_t h) { + if (w == 0 || h == 0 || w > kMaxDim || h > kMaxDim) return fail("frame size out of range"); + if (!buf_.resize(static_cast(w) * h * 3u)) return fail("frame too large for memory"); + frame_.rgb = buf_.data(); + frame_.width = w; + frame_.height = h; + // Published here, not from a tick: dimensions only change on a resize, so this keeps the + // snprintf off the render path. + std::snprintf(status_, sizeof(status_), "%ux%u", w, h); + setStatus(status_, Severity::Status); + return true; + } + + /// Publish the buffer as a NEW frame — the sequence bump is what tells a consumer the pixels + /// changed, so every producer path ends here (see VideoFrame::seq). + void publish() { frame_.seq = ++seq_; } + + // Four coloured border bands and a sweeping white block. Integer-only and allocation-free — it + // runs on the render tick. + void renderPattern() { + uint8_t* p = buf_.data(); + if (!p) return; + // One sweep every ~4 s, so motion is obvious without being frantic. + const int sweepX = static_cast((platform::millis() / 60u) % kPatternW); + for (int y = 0; y < kPatternH; y++) { + for (int x = 0; x < kPatternW; x++) { + // A white block riding the top edge: shows liveness, and which way "forward" runs. + const bool onSweep = y < kBand && x >= sweepX && x < sweepX + 4; + const RGB c = onSweep ? RGB{255, 255, 255} : bandColour(x, y); + uint8_t* px = p + (static_cast(y) * kPatternW + x) * 3; + px[0] = c.r; + px[1] = c.g; + px[2] = c.b; + } + } + publish(); + } + + /// Colour of the pattern at (x, y): one hue per edge, black interior. + static RGB bandColour(int x, int y) { + if (y < kBand) return {255, 0, 0}; // top → red + if (y >= kPatternH - kBand) return {0, 0, 255}; // bottom → blue + if (x < kBand) return {255, 255, 0}; // left → yellow + if (x >= kPatternW - kBand) return {0, 255, 0}; // right → green + return {0, 0, 0}; // interior stays dark + } + + // --- PPM (P6) file source ----------------------------------------------------------------- + /// Read the header, size the buffer, then read the pixel block straight into it. Cold path only + /// (prepare / the reload button): this blocks on the filesystem. + bool loadFile() { + const long size = platform::fsSize(file); + if (size <= 0) return fail("file not found"); + + char header[64] = {}; + const int headerLen = platform::fsReadAt(file, 0, header, sizeof(header) - 1); + uint16_t w = 0, h = 0; + const int pixOff = parsePpmHeader(header, headerLen, w, h); + if (pixOff < 0) return fail("not a binary PPM (P6, maxval 255)"); + if (!allocate(w, h)) return false; // allocate() already reported why + + const uint32_t need = static_cast(w) * h * 3u; + if (static_cast(size - pixOff) < need) return fail("PPM truncated"); + + const int read = platform::fsReadAt(file, pixOff, reinterpret_cast(buf_.data()), need); + if (read < 0 || static_cast(read) != need) return fail("PPM read failed"); + + setStatus(status_, Severity::Status); // allocate() formatted the size; restore it over an error + publish(); + return true; + } + +public: + /// Parse a binary-PPM header (Netpbm). Returns the byte offset where pixel data begins, or -1 + /// if `buf` is not one. Pure: `len` bounds the read, so a truncated file is rejected rather than + /// parsed into whatever follows it. + static int parsePpmHeader(const char* buf, int len, uint16_t& w, uint16_t& h) { + // P6 + HeaderCursor cur{buf, len}; + cur.skipBlanks(); + if (cur.pos + 1 >= len || buf[cur.pos] != 'P' || buf[cur.pos + 1] != '6') return -1; + cur.pos += 2; + + const long ww = cur.readInt(); + const long hh = cur.readInt(); + const long maxval = cur.readInt(); + if (ww <= 0 || ww > static_cast(kMaxDim)) return -1; + if (hh <= 0 || hh > static_cast(kMaxDim)) return -1; + if (maxval != 255) return -1; // 16-bit samples are two big-endian bytes — another format + if (cur.pos >= len) return -1; // no separator byte, so no pixel data can follow + + w = static_cast(ww); + h = static_cast(hh); + return cur.pos + 1; // one whitespace byte separates the header from the pixels + } + +private: + /// Position within an ASCII header. Netpbm separates tokens with any run of whitespace and `#` + /// comments to end-of-line, so both readers skip those first. + struct HeaderCursor { + const char* buf; + int len; + int pos = 0; + + void skipBlanks() { + while (pos < len) { + if (buf[pos] == '#') { + while (pos < len && buf[pos] != '\n') pos++; + } else if (buf[pos] == ' ' || buf[pos] == '\t' || buf[pos] == '\n' || buf[pos] == '\r') { + pos++; + } else { + break; + } + } + } + + /// Next decimal token, or -1 when the next token is not one. Capped well above any real + /// dimension purely so a long digit run cannot overflow; the true bounds are the caller's. + long readInt() { + skipBlanks(); + if (pos >= len || buf[pos] < '0' || buf[pos] > '9') return -1; + long v = 0; + while (pos < len && buf[pos] >= '0' && buf[pos] <= '9') { + v = v * 10 + (buf[pos] - '0'); + if (v > 100000) return -1; + pos++; + } + return v; + } + }; +}; + +} // namespace mm diff --git a/src/light/drivers/Correction.h b/src/light/drivers/Correction.h index 297522fb..1e106c26 100644 --- a/src/light/drivers/Correction.h +++ b/src/light/drivers/Correction.h @@ -1,5 +1,6 @@ #pragma once +#include // std::pow — the gamma curve #include #include "light/ChannelRole.h" @@ -24,15 +25,14 @@ namespace mm { enum class WhiteMode : uint8_t { None, Min, Accurate }; inline constexpr const char* kWhiteModeOptions[] = {"None", "Min", "Accurate"}; -inline constexpr uint8_t kWhiteModeCount = - sizeof(kWhiteModeOptions) / sizeof(kWhiteModeOptions[0]); - +inline constexpr uint8_t kWhiteModeCount = sizeof(kWhiteModeOptions) / sizeof(kWhiteModeOptions[0]); // Output correction applied per-light by each physical driver as it reads the shared -// source buffer: brightness scale, channel reorder, and (for RGBW lights) white -// derivation. Each driver owns one Correction (DriverBase), rebuilds it on a -// brightness / preset / role change (cheap, cold path), and apply() is the hot-path -// per-light transform. Today NetworkSendDriver and the WS2812 LED drivers consume it. +// source buffer: brightness scale, gamma, per-channel white balance, channel reorder, +// and (for RGBW lights) white derivation. Each driver owns one Correction (DriverBase), +// rebuilds it on a brightness / gamma / balance / preset / role change (cheap, cold path), +// and apply() is the hot-path per-light transform. Today NetworkSendDriver and the WS2812 +// LED drivers consume it. // // Channel model: a light is a run of `channelsPerLight` channels, each with a role // (Red/Green/Blue/White/Pan/…). The canonical description is the driver's dynamic @@ -44,14 +44,13 @@ inline constexpr uint8_t kWhiteModeCount = // Non-color roles (pan/tilt/…) live in the role array for the fixture/preview to read; // apply() only writes the color roles it derived offsets for. // -// Brightness uses a single 256-entry LUT applied to every channel. Gamma / -// white-balance (which need a per-channel R/G/B split) are deliberately not here -// yet — when they land, briLut becomes three tables. The name stays brightness- -// neutral (`briLut`) so the gamma addition is a fill-logic change, not a rename. +// Brightness, gamma and white balance all bake into ONE per-channel table — `briLut[3][256]`, +// one row per SOURCE channel (0=R, 1=G, 2=B), filled as `gamma(v) × brightness × balance`. struct Correction { static constexpr uint8_t kAbsent = 255; // color role not carried by this light + static constexpr uint8_t kGammaOff = 10; // gamma 1.0 — the identity curve, and the default - uint8_t briLut[256] = {}; // briLut[v] = (v * brightness) / 255 (scale8) + uint8_t briLut[3][256] = {}; // briLut[ch][v] = gamma(v) * brightness * balance[ch], ch: 0=R 1=G 2=B // Derived hot-path cache: the output-byte position of each color role. Source is // always RGB (src[0]=R, src[1]=G, src[2]=B); the offset says where in `out` that // role's byte lands. Recomputed from the role array by rebuild(); GRB by default. @@ -84,17 +83,41 @@ struct Correction { uint8_t outChannels = 3; // bytes emitted per light (= channelsPerLight of the wiring) WhiteMode whiteMode = WhiteMode::Min; // how white is synthesized from RGB (white lights only) - // Cold path: refresh the brightness LUT and DERIVE the color-role offsets from the + // Gamma in TENTHS (22 = 2.2). An LED is near-linear in PWM duty while perception is a power + // law, so an uncorrected ramp reads "bright fast then flat"; `(v/255)^gamma` restores an even + // fade. Canon: Adafruit, "LED Tricks: Gamma Correction". + uint8_t gamma10 = kGammaOff; + // Per-channel white balance, 255 = untouched. Die efficiencies differ, so a white-looking RGB + // triple rarely renders neutral — trim the stronger channels DOWN to match the weakest. Up is + // not available: there is no headroom above 255, so raising clips instead of balancing. + uint8_t balRed = 255, balGreen = 255, balBlue = 255; + + // Cold path: refresh the output tables and DERIVE the color-role offsets from the // light's channel-role array (`roles`, `nChannels` entries — the driver's dynamic // array, canonical). A role appearing at channel i sets that color's offset to i; // a color role not present stays kAbsent (apply() skips it). outChannels becomes the // channel count. Non-color roles (pan/tilt/…) are ignored here — they're written by // the fixture role writers, not by apply()'s RGB path. - // Refresh just the brightness LUT (briLut[v] = v * brightness / 255). Split out so a brightness- - // only change re-scales the LUT without touching the channel offsets, and so a driver can apply - // brightness even when the role source (the preset library) isn't available yet. + // Refill the three output tables from `brightness` plus the current gamma / balance fields. + // Split out so a brightness-only change re-scales them without touching the channel offsets, + // and so a driver can apply brightness even when the role source (the preset library) isn't + // available yet. Every gamma or balance edit routes through here too — they are inputs to the + // same fill, so there is one rebuild, not three. void rebuildBrightness(uint8_t brightness) { - for (int v = 0; v < 256; v++) briLut[v] = static_cast((v * brightness) / 255); + // Gamma FIRST, then the linear scales: scaling before the curve would re-shape it at every + // brightness, so a colour would shift as the slider moved. + uint8_t curve[256]; + const float exponent = gamma10 / 10.0f; + for (int v = 0; v < 256; v++) + curve[v] = static_cast(std::pow(v / 255.0f, exponent) * 255.0f + 0.5f); + + const uint8_t balance[3] = {balRed, balGreen, balBlue}; + + for (int ch = 0; ch < 3; ch++) { + // Fold brightness and this channel's trim into one scale + const uint32_t scale = (static_cast(brightness) * balance[ch]) / 255; + for (int v = 0; v < 256; v++) briLut[ch][v] = static_cast((curve[v] * scale) / 255); + } } void rebuild(uint8_t brightness, const ChannelRole* roles, uint8_t nChannels) { @@ -123,9 +146,9 @@ struct Correction { // a wiring that omits, say, red just doesn't emit it. Channels holding non-color roles // (pan/tilt) are left for their own writers; apply() never touches them. inline void apply(const uint8_t* src, uint8_t* out) const { - uint8_t r = briLut[src[0]]; - uint8_t g = briLut[src[1]]; - uint8_t b = briLut[src[2]]; + uint8_t r = briLut[0][src[0]]; + uint8_t g = briLut[1][src[1]]; + uint8_t b = briLut[2][src[2]]; // Every synthesized emitter (white + warm-white/yellow/UV) is gated by the ONE whiteMode: // None zeroes them (never a stale value — corrected_ is reused, not re-zeroed, frame to // frame), otherwise each is a best-effort approximation from RGB. Accurate additionally @@ -156,7 +179,11 @@ struct Correction { // White last: it's the only emitter that (in Accurate) rebalances RGB, so it must run // after the stand-ins have read the pre-subtraction values. if (offWhite != kAbsent) { - if (whiteMode == WhiteMode::Accurate) { r -= w; g -= w; b -= w; } // pull white out of RGB + if (whiteMode == WhiteMode::Accurate) { + r -= w; + g -= w; + b -= w; + } // pull white out of RGB out[offWhite] = w; } } diff --git a/src/light/drivers/DriverBase.h b/src/light/drivers/DriverBase.h index 973fd495..8a8fbeb5 100644 --- a/src/light/drivers/DriverBase.h +++ b/src/light/drivers/DriverBase.h @@ -58,9 +58,9 @@ class DriverBase : public MoonModule { virtual LedHwBlock hwBlock() const { return LedHwBlock::None; } /// Template method: every driver card leads with the per-driver output correction - /// (localBrightness / lightPreset / whiteMode / Custom offsets), added once here in the base - /// so no driver re-implements the placement (the No-duplication rule) — then the driver's own - /// controls via defineDriverControls(). A driver overrides defineDriverControls(), NOT this. + /// (localBrightness / lightPreset / whiteMode / gamma / balance / Custom offsets), added once + /// here in the base so no driver re-implements the placement (the No-duplication rule) — then + /// the driver's own controls via defineDriverControls(), which a driver overrides instead. /// A driver that emits raw RGB and ignores correction (Preview) or fixes it internally (Hue) /// opts out by returning false from hasCorrectionControls(). void defineControls() final { @@ -127,6 +127,12 @@ class DriverBase : public MoonModule { const uint8_t effective = static_cast((globalBrightness * localBrightness_) / 255); correction_.whiteMode = static_cast(whiteMode_); + // Fill inputs, so they must be in place before the rebuild below. Pushed here rather than in + // onControlChanged so a rebuild from ANY trigger carries the current values. + correction_.gamma10 = gamma10_; + correction_.balRed = balRed_; + correction_.balGreen = balGreen_; + correction_.balBlue = balBlue_; // Resolve the referenced preset's channel-role wiring from the library into our flat // Correction (cold path). On a missing id (a deleted preset) fall back to the library default // so a driver degrades to a valid RGB output rather than crashing — Robust-to-any-input. @@ -145,7 +151,7 @@ class DriverBase : public MoonModule { } /// Base onControlChanged: rebuild this driver's correction when one of ITS correction - /// controls (order/white/brightness/Custom offsets) changed, reusing the last global + /// controls (order/white/brightness/gamma/balance/Custom offsets) changed, reusing the last global /// brightness the container pushed. A driver overriding onControlChanged() for its own /// controls chains to this so it doesn't re-implement the correction branch (the /// Complexity-lives-in-core rule: the correction rule lives here, once, for every driver). @@ -252,6 +258,10 @@ class DriverBase : public MoonModule { uint8_t presetSel_ = 0; // the preset Select's chosen INDEX (mapped to an id in onControlChanged) uint8_t whiteMode_ = static_cast(WhiteMode::Min); // index into kWhiteModeOptions uint8_t localBrightness_ = 255; // per-driver dim, multiplied with the global brightness + // Calibration for THIS fixture, so per-driver rather than global — two strips on one board can + // need different values. Semantics in Correction.h. + uint8_t gamma10_ = Correction::kGammaOff; + uint8_t balRed_ = 255, balGreen_ = 255, balBlue_ = 255; uint8_t lastGlobalBrightness_ = 0; // last global brightness the container pushed (for self-rebuilds) // The PERSISTED reference: a preset id is a runtime handle (reassigned each boot), so what // survives a reboot is the preset NAME — stable, human-readable, and reorder-proof. A hidden @@ -260,8 +270,10 @@ class DriverBase : public MoonModule { /// Add the correction controls: localBrightness first (the setting a user reaches for most), /// then the preset Select (its options are the LightPresets library's names; the chosen index - /// maps to a stable preset id), then whiteMode. A driver calls this from its defineDriverControls - /// via the DriverBase::defineControls template method. The Select is rebuilt from the library on + /// maps to a stable preset id), then whiteMode, then the calibration block (gamma and the three + /// white-balance trims) — the wiring a user must get right first, then the values they tune once + /// against the fixture. A driver calls this from its defineDriverControls via the + /// DriverBase::defineControls template method. The Select is rebuilt from the library on /// every defineControls (which re-runs on a control change), so adding/renaming a preset shows up. void defineCorrectionControls() { controls_.addUint8("localBrightness", localBrightness_, 0, 255); @@ -274,6 +286,11 @@ class DriverBase : public MoonModule { // tracks the live reference. auto* lib = LightPresetsModule::active(); controls_.setHidden(controls_.count() - 1, !(lib && lib->presetHasSynthChannel(presetId_))); + // Tenths, so the name carries the scale; the floor is 1.0 (off). + controls_.addUint8("gamma x10", gamma10_, Correction::kGammaOff, 30); + controls_.addUint8("balanceRed", balRed_, 0, 255); + controls_.addUint8("balanceGreen", balGreen_, 0, 255); + controls_.addUint8("balanceBlue", balBlue_, 0, 255); // The durable reference (the preset NAME) persists but isn't shown — the lightPreset Select // above is the user-facing control; presetRef_ just carries the reference across a reboot. controls_.addText("presetRef", presetRef_, sizeof(presetRef_)); @@ -289,7 +306,9 @@ class DriverBase : public MoonModule { /// affectsPrepare() and its correction rebuilds in onControlChanged (both handled by DriverBase). static bool isCorrectionControl(const char* name) { return std::strcmp(name, "lightPreset") == 0 || std::strcmp(name, "localBrightness") == 0 - || std::strcmp(name, "whiteMode") == 0; + || std::strcmp(name, "whiteMode") == 0 || std::strcmp(name, "gamma x10") == 0 + || std::strcmp(name, "balanceRed") == 0 || std::strcmp(name, "balanceGreen") == 0 + || std::strcmp(name, "balanceBlue") == 0; } private: diff --git a/src/light/drivers/Drivers.h b/src/light/drivers/Drivers.h index 770f19c0..2264f749 100644 --- a/src/light/drivers/Drivers.h +++ b/src/light/drivers/Drivers.h @@ -123,10 +123,11 @@ class Drivers : public MoonModule { /// Reach the live Drivers (the one that owns the encode worker) to quiesce it around a mutation. static Drivers* active() { return ActiveInstance::active(); } - /// Global brightness (0–255). Scales every channel through a 256-entry LUT - /// (`(v × brightness) / 255`); changing it rebuilds only the LUT on the cheap - /// `onControlChanged` tier — no pipeline realloc, so the slider is fluent. Gamma / - /// white-balance fold into this LUT later as a per-channel R/G/B split. + /// Global brightness (0–255). Scales every channel through each driver's per-channel LUT + /// (`(v × brightness) / 255`, after that driver's gamma curve and white-balance trim); + /// changing it rebuilds only those LUTs on the cheap `onControlChanged` tier — no pipeline + /// realloc, so the slider is fluent. Gamma and white balance are per-DRIVER (they describe a + /// fixture, not the board), so they live on DriverBase; only brightness is global. /// /// Default low (≈8%). A fresh device with LEDs wired but no power budget set /// (such as a strip on USB 5V) draws far less at 20 than at full white, so the diff --git a/src/light/effects/AmbilightEffect.h b/src/light/effects/AmbilightEffect.h new file mode 100644 index 00000000..b2848f35 --- /dev/null +++ b/src/light/effects/AmbilightEffect.h @@ -0,0 +1,124 @@ +#pragma once + +#include "core/VideoService.h" +#include "light/effects/EffectBase.h" + +namespace mm { + +// Screen-follow ambient light: paints the layer with the live video frame, so lights around a +// display glow the colour of the picture nearest them (the Ambilight / Hyperion behaviour). +// +// - Reads its pixels instead of generating them. Pulled from VideoService::latestFrame() +// +// - Averages a rectangle per output cell +// +// - Fills the whole logical box uniformly and never asks which cells reach an LED — that is the +// layout's business. On a RectangleLayout the interior maps to nothing, so a border strip shows +// the frame's border for free; on a GridLayout the same effect is a video wall. + +/// Effect that paints the layer with the live video frame (screen-follow ambient light). +class AmbilightEffect : public EffectBase { +public: + Dim dimensions() const override { return Dim::D2; } // a frame is flat; the Layer extrudes z + + uint8_t brightness = 255; // dims THE VIDEO; the driver's brightness dims everything + uint8_t saturation = 130; // percent of the distance from grey; 100 = the mean untouched + + void defineControls() override { + controls_.addUint8("brightness", brightness, 0, 255); + controls_.addUint8("saturation", saturation, 0, 200); + } + + void tick() MM_NONBLOCKING override { + const VideoFrame* f = VideoService::latestFrame(); + const draw::Canvas cv = canvas(); + + // No source: paint black rather than return. + // Returning would leave the PREVIOUS effect's picture frozen on the strip + // A dropped frame never reaches here: VideoService keeps its buffer, so `rgb` stays readable. + if (!f->rgb || f->width == 0 || f->height == 0) { + draw::fill(cv, {0, 0, 0}); + return; + } + const lengthType dstWidth = width(), dstHeight = height(); + if (dstWidth <= 0 || dstHeight <= 0) return; + + // Meaning each zone in one destination Cell + for (lengthType y = 0; y < dstHeight; y++) { + for (lengthType x = 0; x < dstWidth; x++) { + const Zone z = zoneFor(x, y, dstWidth, dstHeight, *f); + draw::pixel(cv, {x, y, 0}, adjust(meanOf(*f, z))); + } + } + } + +private: + /// Half-open range of source pixels `[begin, end)` along one axis. + struct Span { + int begin, end; + }; + + /// The source rectangle one logical cell owns, and averages down to its colour. + struct Zone { + Span cols, rows; + }; + + /// Split one axis of `srcLen` source pixels across `cells` cells. + /// - From the cell EDGES, so consecutive spans meet exactly: every source pixel belongs to one + /// cell, none to two, none to nothing. + /// - An empty span widens to one shared pixel, so a layer finer than the source still writes + /// every light instead of leaving some unset. + static Span spanFor(int index, int dstLen, int srcLen) { + const int begin = static_cast((static_cast(index) * srcLen) / dstLen); + int end = static_cast((static_cast(index + 1) * srcLen) / dstLen); + if (end <= begin) end = begin + 1; + return {begin, end < srcLen ? end : srcLen}; + } + + static Zone zoneFor(int x, int y, int w, int h, const VideoFrame& f) { + return {spanFor(x, w, f.width), spanFor(y, h, f.height)}; + } + + /// Mean colour of one zone — the box filter, the same per-zone computation Hyperion performs. + /// uint32 accumulators: 640x480 into 32x18 is ~520 pixels per zone, and 520 x 255 overflows 16 + /// bits several times over. + static RGB meanOf(const VideoFrame& f, const Zone& z) { + uint32_t sr = 0, sg = 0, sb = 0; + for (int y = z.rows.begin; y < z.rows.end; y++) { + const uint8_t* px = f.rgb + (static_cast(y) * f.width + z.cols.begin) * 3; + for (int x = z.cols.begin; x < z.cols.end; x++, px += 3) { + sr += px[0]; + sg += px[1]; + sb += px[2]; + } + } + const uint32_t n = static_cast(z.rows.end - z.rows.begin) * + static_cast(z.cols.end - z.cols.begin); + return {static_cast(sr / n), static_cast(sg / n), static_cast(sb / n)}; + } + + /// Saturation runs on the RAW mean, before brightness: stretching around an already-dimmed luma + /// would shrink the boost as the lights were turned down. + RGB adjust(RGB c) const { + if (saturation != 100) { + // Rec.601 weights (77/150/29 of 256). A flat (r+g+b)/3 would brighten greens and dim + // blues as saturation rose, because it is not what the eye does. + const int luma = static_cast((77 * c.r + 150 * c.g + 29 * c.b) >> 8); + c = {stretch(c.r, luma), stretch(c.g, luma), stretch(c.b, luma)}; + } + if (brightness != 255) { + c = {static_cast((c.r * brightness) / 255), + static_cast((c.g * brightness) / 255), + static_cast((c.b * brightness) / 255)}; + } + return c; + } + + /// Move one channel `saturation` percent of the way out from `luma`, clamped to a byte. + uint8_t stretch(uint8_t v, int luma) const MM_NONBLOCKING { + const int out = luma + ((static_cast(v) - luma) * static_cast(saturation)) / 100; + return static_cast(out < 0 ? 0 : (out > 255 ? 255 : out)); + } +}; + +} // namespace mm diff --git a/src/light/layouts/RectangleLayout.h b/src/light/layouts/RectangleLayout.h new file mode 100644 index 00000000..9e924d80 --- /dev/null +++ b/src/light/layouts/RectangleLayout.h @@ -0,0 +1,107 @@ +#pragma once + +#include "light/layouts/LayoutBase.h" + +namespace mm { + +// A hollow rectangle: lights around the PERIMETER of a `width` x `height` box, nothing inside it. +// The strip-around-a-frame primitive — a TV backlight, a mirror surround, a sign border. +// +// - Each corner counts once, so the count is `2(width + height) - 4`. A strip bent around a frame +// has one LED in the corner, even though that corner belongs to two edges. +// - `startCorner` and `clockwise` change the WIRING, not the shape: they rotate and reverse the +// index order while every emitted coordinate stays identical. +// - Perimeter only. A filled rectangle is already GridLayout; this exists for the case where the +// interior has no LEDs in it at all, which is every frame-mounted strip. +/// Layout of lights around the perimeter of a rectangle (hollow border). +class RectangleLayout : public LayoutBase { +public: + uint16_t width = 32; // extent in LIGHTS along each edge; 32x18 is 16:9 + uint16_t height = 18; + uint8_t startCorner = 0; // index into kStartCornerOptions + bool clockwise = true; + + static constexpr const char* kStartCornerOptions[] = {"top-left", "top-right", "bottom-right", + "bottom-left"}; + static constexpr uint8_t kStartCornerCount = sizeof(kStartCornerOptions) / sizeof(kStartCornerOptions[0]); + + void defineControls() override { + controls_.addUint16("width", width, 1, 500); + controls_.addUint16("height", height, 1, 500); + controls_.addSelect("startCorner", startCorner, kStartCornerOptions, kStartCornerCount); + controls_.addBool("clockwise", clockwise); + } + + nrOfLightsType lightCount() const override { return perimeter(); } + + void placeLights(const CoordSink& sink) const override { + const nrOfLightsType n = perimeter(); + for (nrOfLightsType i = 0; i < n; i++) { + const Coord3D c = coordAt(i, n); + sink.pixel(i, c.x, c.y, c.z); + } + } + +private: + /// Perimeter cell count. the -4 is the four corners, each belonging to two edges. A box one + /// light thick has no interior to go around, so it degenerates to a line — the rectangle + /// formula would walk those cells twice and light phantom positions. + nrOfLightsType perimeter() const { + if (width == 0 || height == 0) return 0; + if (height == 1) return width; + if (width == 1) return height; + return static_cast(2 * width + 2 * height - 4); + } + + /// Coordinate of physical light `i` of `n`. + /// + /// Four segments, each dropping the corner the previous one emitted: + /// top left to right w cells + /// right top to bottom h-1 cells + /// bottom right to left w-1 cells + /// left bottom to top h-2 cells (both corners already placed) + Coord3D coordAt(nrOfLightsType i, nrOfLightsType n) const { + + const int w = width, h = height, k = static_cast(walkIndex(i, n)); + + const auto at = [](int x, int y) { + return Coord3D{static_cast(x), static_cast(y), 0}; + }; + + if (h == 1) return at(k, 0); + if (w == 1) return at(0, k); + + const int topEnd = w; // steps [0, topEnd) top edge + const int rightEnd = w + h - 1; // [topEnd, rightEnd) right edge + const int bottomEnd = 2 * w + h - 2; // [rightEnd, bottomEnd) bottom edge + + if (k < topEnd) return at(k, 0); + if (k < rightEnd) return at(w - 1, k - topEnd + 1); + if (k < bottomEnd) return at(bottomEnd - 1 - k, h - 1); + return at(0, static_cast(perimeter()) - k); // left edge, walking back up + } + + /// Step at which each start corner sits on the reference walk — its segment boundaries, so a + /// corner resolves to an exact index rather than a search. + nrOfLightsType startIndex() const { + const int w = width, h = height; + switch (startCorner) { + case 1: return static_cast(w - 1); // top-right + case 2: return static_cast(w + h - 2); // bottom-right + case 3: return static_cast(2 * w + h - 3); // bottom-left + default: return 0; // top-left + } + } + + /// Indexing lights starts from top-left, then walks the perimeter clockwise + /// But if `startCorner` or `clockwise` changed, the indexing also changes (direction, starting point) + /// This function adjusts index to the canonical clockwise top-left walk + nrOfLightsType walkIndex(nrOfLightsType i, nrOfLightsType n) const { + if (n == 0) return 0; + const nrOfLightsType s = static_cast(startIndex() % n); + return clockwise ? static_cast((s + i) % n) + : static_cast((s + n - (i % n)) % n); + } +}; + +} // namespace mm diff --git a/src/main.cpp b/src/main.cpp index a6a1ce54..a526a04d 100644 --- a/src/main.cpp +++ b/src/main.cpp @@ -4,6 +4,7 @@ #include "light/layouts/GridBlacksLayout.h" #include "light/layouts/SphereLayout.h" #include "light/layouts/WheelLayout.h" +#include "light/layouts/RectangleLayout.h" #include "light/layouts/SingleRowLayout.h" #include "light/layouts/SingleColumnLayout.h" #include "light/layouts/PanelLayout.h" @@ -33,6 +34,7 @@ #include "light/effects/LavaLampEffect.h" #include "light/effects/NetworkReceiveEffect.h" #include "light/effects/AudioVolumeEffect.h" +#include "light/effects/AmbilightEffect.h" #include "light/effects/AudioSpectrumEffect.h" #include "light/effects/SineEffect.h" #include "light/effects/DistortionWavesEffect.h" @@ -133,6 +135,7 @@ #include "core/ControlModule.h" #include "core/Services.h" #include "core/AudioService.h" +#include "core/VideoService.h" #include "core/I2cScanModule.h" #include "core/TasksModule.h" #include "core/PinsModule.h" @@ -183,6 +186,7 @@ static void registerModuleTypes() { mm::ModuleFactory::registerType("RingLayout", "light/layouts.md#ring"); mm::ModuleFactory::registerType("Rings241Layout", "light/layouts.md#rings241"); mm::ModuleFactory::registerType("SingleColumnLayout", "light/layouts.md#singlecolumn"); + mm::ModuleFactory::registerType("RectangleLayout", "light/layouts.md#rectangle"); mm::ModuleFactory::registerType("SingleRowLayout", "light/layouts.md#singlerow"); mm::ModuleFactory::registerType("SphereLayout", "light/layouts.md#sphere"); mm::ModuleFactory::registerType("SpiralLayout", "light/layouts.md#spiral"); @@ -190,6 +194,7 @@ static void registerModuleTypes() { mm::ModuleFactory::registerType("WheelLayout", "light/layouts.md#wheel"); // Effects — registered alphabetically by display name (the picker + docs also sort // alphabetically; keeping this list sorted makes the three orders agree at a glance). + mm::ModuleFactory::registerType("AmbilightEffect", "light/effects.md#ambilight"); mm::ModuleFactory::registerType("AudioSpectrumEffect", "light/effects.md#audiospectrum"); mm::ModuleFactory::registerType("AudioVolumeEffect", "light/effects.md#audiovolume"); mm::ModuleFactory::registerType("BlurzEffect", "light/effects.md#blurz"); @@ -284,6 +289,7 @@ static void registerModuleTypes() { mm::ModuleFactory::registerType("ControlModule", "core/control.md#control"); mm::ModuleFactory::registerType("Services", "core/services.md#services"); mm::ModuleFactory::registerType("AudioService", "core/services.md#audio"); + mm::ModuleFactory::registerType("VideoService", "core/services.md#video"); mm::ModuleFactory::registerType("I2cScanModule", "core/system.md#i2c-scan"); mm::ModuleFactory::registerType("TasksModule", "core/system.md#tasks"); mm::ModuleFactory::registerType("PinsModule", "core/system.md#pins"); diff --git a/test/CMakeLists.txt b/test/CMakeLists.txt index c80a2c2b..85bdab19 100644 --- a/test/CMakeLists.txt +++ b/test/CMakeLists.txt @@ -13,6 +13,7 @@ add_executable(mm_tests unit/core/unit_fields.cpp unit/core/unit_crc.cpp unit/core/unit_AudioService_sync.cpp + unit/core/unit_VideoService.cpp unit/core/unit_IrService.cpp unit/core/unit_TcpConnect.cpp unit/core/unit_MqttPacket.cpp @@ -73,6 +74,7 @@ add_executable(mm_tests unit/light/unit_WledAudioSyncPacket.cpp unit/light/unit_BlendMap.cpp unit/light/unit_draw.cpp + unit/light/unit_AmbilightEffect.cpp unit/light/unit_GameOfLifeEffect.cpp unit/light/unit_DemoReelEffect.cpp unit/light/unit_TextEffect.cpp @@ -101,6 +103,7 @@ add_executable(mm_tests unit/light/unit_WaveEffect.cpp unit/light/unit_FireEffect.cpp unit/light/unit_GridLayout.cpp + unit/light/unit_RectangleLayout.cpp unit/light/unit_SingleColumnLayout.cpp unit/light/unit_SphereLayout.cpp unit/light/unit_WheelLayout.cpp diff --git a/test/scenarios/light/scenario_modifier_chain.json b/test/scenarios/light/scenario_modifier_chain.json index a3eba3cb..b4a76744 100644 --- a/test/scenarios/light/scenario_modifier_chain.json +++ b/test/scenarios/light/scenario_modifier_chain.json @@ -193,7 +193,7 @@ "observed": { "desktop-macos": { "tick_us": [ - 18, + 15, 186 ], "free_heap": [ @@ -206,7 +206,7 @@ ], "at": [ "2026-06-26", - "2026-07-31" + "2026-08-26" ] }, "desktop-windows": { @@ -240,7 +240,7 @@ "observed": { "desktop-macos": { "tick_us": [ - 32, + 26, 675 ], "free_heap": [ @@ -253,7 +253,7 @@ ], "at": [ "2026-06-26", - "2026-07-31" + "2026-08-26" ] }, "desktop-windows": { diff --git a/test/scenarios/light/scenario_perf_full.json b/test/scenarios/light/scenario_perf_full.json index 905ba9df..e0ff12bb 100644 --- a/test/scenarios/light/scenario_perf_full.json +++ b/test/scenarios/light/scenario_perf_full.json @@ -1596,7 +1596,7 @@ "observed": { "desktop-macos": { "tick_us": [ - 14, + 11, 117 ], "free_heap": [ @@ -1609,7 +1609,7 @@ ], "at": [ "2026-06-17", - "2026-07-31" + "2026-08-26" ] }, "esp32s3-n16r8": { @@ -1707,7 +1707,7 @@ "observed": { "desktop-macos": { "tick_us": [ - 62, + 45, 540 ], "free_heap": [ @@ -1720,7 +1720,7 @@ ], "at": [ "2026-06-17", - "2026-07-31" + "2026-08-26" ] }, "esp32s3-n16r8": { @@ -1818,7 +1818,7 @@ "observed": { "desktop-macos": { "tick_us": [ - 271, + 183, 9168 ], "free_heap": [ @@ -1831,7 +1831,7 @@ ], "at": [ "2026-06-17", - "2026-08-18" + "2026-08-26" ] }, "esp32s3-n16r8": { @@ -2177,7 +2177,7 @@ }, "desktop-macos": { "tick_us": [ - 14, + 11, 239 ], "free_heap": [ @@ -2190,7 +2190,7 @@ ], "at": [ "2026-06-17", - "2026-07-04" + "2026-08-26" ] }, "esp32": { @@ -2288,7 +2288,7 @@ }, "desktop-macos": { "tick_us": [ - 61, + 46, 1936 ], "free_heap": [ @@ -2301,7 +2301,7 @@ ], "at": [ "2026-06-17", - "2026-07-31" + "2026-08-26" ] }, "esp32": { diff --git a/test/scenarios/light/scenario_perf_light.json b/test/scenarios/light/scenario_perf_light.json index fb955f2a..f97e73d7 100644 --- a/test/scenarios/light/scenario_perf_light.json +++ b/test/scenarios/light/scenario_perf_light.json @@ -410,7 +410,7 @@ "observed": { "desktop-macos": { "tick_us": [ - 1, + 0, 11 ], "free_heap": [ @@ -423,7 +423,7 @@ ], "at": [ "2026-06-17", - "2026-07-16" + "2026-08-26" ] }, "esp32s3-n16r8": { @@ -632,7 +632,7 @@ "observed": { "desktop-macos": { "tick_us": [ - 14, + 11, 91 ], "free_heap": [ @@ -645,7 +645,7 @@ ], "at": [ "2026-06-17", - "2026-07-10" + "2026-08-26" ] }, "esp32s3-n16r8": { diff --git a/test/scenarios/light/scenario_peripheral_grid_sweep.json b/test/scenarios/light/scenario_peripheral_grid_sweep.json index 24f9fdae..297b7382 100644 --- a/test/scenarios/light/scenario_peripheral_grid_sweep.json +++ b/test/scenarios/light/scenario_peripheral_grid_sweep.json @@ -155,7 +155,7 @@ }, "desktop-macos": { "tick_us": [ - 4, + 3, 34 ], "free_heap": [ @@ -168,7 +168,7 @@ ], "at": [ "2026-07-26", - "2026-07-31" + "2026-08-26" ] } } @@ -233,7 +233,7 @@ }, "desktop-macos": { "tick_us": [ - 17, + 11, 128 ], "free_heap": [ @@ -246,7 +246,7 @@ ], "at": [ "2026-07-26", - "2026-07-31" + "2026-08-26" ] } } @@ -311,7 +311,7 @@ }, "desktop-macos": { "tick_us": [ - 67, + 46, 357 ], "free_heap": [ @@ -324,7 +324,7 @@ ], "at": [ "2026-07-26", - "2026-08-20" + "2026-08-26" ] } } @@ -389,7 +389,7 @@ }, "desktop-macos": { "tick_us": [ - 271, + 184, 1427 ], "free_heap": [ @@ -402,7 +402,7 @@ ], "at": [ "2026-07-26", - "2026-08-13" + "2026-08-26" ] } } @@ -488,7 +488,7 @@ }, "desktop-macos": { "tick_us": [ - 4, + 3, 30 ], "free_heap": [ @@ -501,7 +501,7 @@ ], "at": [ "2026-07-26", - "2026-08-12" + "2026-08-26" ] } } @@ -566,7 +566,7 @@ }, "desktop-macos": { "tick_us": [ - 17, + 11, 121 ], "free_heap": [ @@ -579,7 +579,7 @@ ], "at": [ "2026-07-26", - "2026-08-12" + "2026-08-26" ] } } @@ -644,7 +644,7 @@ }, "desktop-macos": { "tick_us": [ - 67, + 45, 350 ], "free_heap": [ @@ -657,7 +657,7 @@ ], "at": [ "2026-07-26", - "2026-08-13" + "2026-08-26" ] } } @@ -722,7 +722,7 @@ }, "desktop-macos": { "tick_us": [ - 270, + 184, 1357 ], "free_heap": [ @@ -735,7 +735,7 @@ ], "at": [ "2026-07-26", - "2026-08-13" + "2026-08-26" ] } } @@ -821,7 +821,7 @@ }, "desktop-macos": { "tick_us": [ - 4, + 3, 22 ], "free_heap": [ @@ -834,7 +834,7 @@ ], "at": [ "2026-07-26", - "2026-07-31" + "2026-08-26" ] } } @@ -899,7 +899,7 @@ }, "desktop-macos": { "tick_us": [ - 17, + 11, 94 ], "free_heap": [ @@ -912,7 +912,7 @@ ], "at": [ "2026-07-26", - "2026-07-28" + "2026-08-26" ] } } @@ -977,7 +977,7 @@ }, "desktop-macos": { "tick_us": [ - 67, + 46, 386 ], "free_heap": [ @@ -990,7 +990,7 @@ ], "at": [ "2026-07-26", - "2026-08-18" + "2026-08-26" ] } } @@ -1055,7 +1055,7 @@ }, "desktop-macos": { "tick_us": [ - 271, + 183, 1482 ], "free_heap": [ @@ -1068,7 +1068,7 @@ ], "at": [ "2026-07-26", - "2026-07-31" + "2026-08-26" ] } } @@ -1154,7 +1154,7 @@ }, "desktop-macos": { "tick_us": [ - 4, + 3, 35 ], "free_heap": [ @@ -1167,7 +1167,7 @@ ], "at": [ "2026-07-26", - "2026-08-09" + "2026-08-26" ] } } @@ -1232,7 +1232,7 @@ }, "desktop-macos": { "tick_us": [ - 17, + 11, 206 ], "free_heap": [ @@ -1245,7 +1245,7 @@ ], "at": [ "2026-07-26", - "2026-08-09" + "2026-08-26" ] } } @@ -1310,7 +1310,7 @@ }, "desktop-macos": { "tick_us": [ - 67, + 46, 365 ], "free_heap": [ @@ -1323,7 +1323,7 @@ ], "at": [ "2026-07-26", - "2026-08-20" + "2026-08-26" ] } } @@ -1388,7 +1388,7 @@ }, "desktop-macos": { "tick_us": [ - 270, + 183, 1485 ], "free_heap": [ @@ -1401,7 +1401,7 @@ ], "at": [ "2026-07-26", - "2026-08-20" + "2026-08-26" ] } } diff --git a/test/scenarios/light/scenario_peripheral_switch.json b/test/scenarios/light/scenario_peripheral_switch.json index c0c3de2c..afa72b2e 100644 --- a/test/scenarios/light/scenario_peripheral_switch.json +++ b/test/scenarios/light/scenario_peripheral_switch.json @@ -163,7 +163,7 @@ }, "desktop-macos": { "tick_us": [ - 4, + 3, 25 ], "free_heap": [ @@ -176,7 +176,7 @@ ], "at": [ "2026-07-24", - "2026-07-28" + "2026-08-26" ] }, "esp32p4rev1-eth": { @@ -253,7 +253,7 @@ }, "desktop-macos": { "tick_us": [ - 4, + 3, 31 ], "free_heap": [ @@ -266,7 +266,7 @@ ], "at": [ "2026-07-24", - "2026-07-31" + "2026-08-26" ] }, "esp32p4rev1-eth": { @@ -343,7 +343,7 @@ }, "desktop-macos": { "tick_us": [ - 4, + 3, 21 ], "free_heap": [ @@ -356,7 +356,7 @@ ], "at": [ "2026-07-24", - "2026-07-28" + "2026-08-26" ] }, "esp32p4rev1-eth": { @@ -432,7 +432,7 @@ }, "desktop-macos": { "tick_us": [ - 4, + 3, 21 ], "free_heap": [ @@ -445,7 +445,7 @@ ], "at": [ "2026-07-24", - "2026-07-31" + "2026-08-26" ] }, "esp32p4rev1-eth": { @@ -522,7 +522,7 @@ }, "desktop-macos": { "tick_us": [ - 4, + 3, 30 ], "free_heap": [ @@ -535,7 +535,7 @@ ], "at": [ "2026-07-24", - "2026-07-28" + "2026-08-26" ] }, "esp32p4rev1-eth": { @@ -628,7 +628,7 @@ }, "desktop-macos": { "tick_us": [ - 4, + 3, 22 ], "free_heap": [ @@ -641,7 +641,7 @@ ], "at": [ "2026-07-24", - "2026-07-31" + "2026-08-26" ] }, "esp32p4rev1-eth": { diff --git a/test/unit/core/unit_VideoService.cpp b/test/unit/core/unit_VideoService.cpp new file mode 100644 index 00000000..440298cb --- /dev/null +++ b/test/unit/core/unit_VideoService.cpp @@ -0,0 +1,122 @@ +// @module VideoService + +#include "doctest.h" +#include "core/VideoService.h" + +#include +#include + +// Pins the PPM header grammar VideoService's file source accepts. The parser is the part with real +// edge cases — comments, whitespace runs, a 16-bit maxval, a truncated header — and it decides +// where pixel data starts, so getting the offset wrong shows as a picture shifted by a few bytes +// rather than as a clean failure. Driven directly (it is a pure static) so these run without a +// filesystem, and so a malformed file is testable without writing one. + +using mm::VideoService; + +namespace { +// Parse helper: returns the pixel offset, or -1, and reports the dimensions it read. +int parse(const char* text, uint16_t& w, uint16_t& h) { + return VideoService::parsePpmHeader(text, static_cast(std::strlen(text)), w, h); +} +} // namespace + +// The canonical form ffmpeg and ImageMagick emit: magic, dimensions, maxval, one newline, pixels. +TEST_CASE("VideoService PPM: a canonical P6 header yields the dimensions and the pixel offset") { + uint16_t w = 0, h = 0; + const char* hdr = "P6\n64 36\n255\n"; + CHECK(parse(hdr, w, h) == 13); // pixels begin straight after the final newline + CHECK(w == 64); + CHECK(h == 36); +} + +// Netpbm allows any run of whitespace between tokens and `#` comments to end of line — both appear +// in real files (GIMP writes a comment), so both must be skipped without shifting the offset. +TEST_CASE("VideoService PPM: comments and whitespace runs are skipped, not counted as pixels") { + uint16_t w = 0, h = 0; + const char* hdr = "P6\n# CREATOR: GIMP\n 16 9 \n255\n"; + const int off = parse(hdr, w, h); + CHECK(off == static_cast(std::strlen(hdr))); + CHECK(w == 16); + CHECK(h == 9); +} + +// Exactly ONE whitespace byte separates the header from the binary block; any further byte is +// already a pixel. Consuming two would tint the whole image by shifting every channel one place. +TEST_CASE("VideoService PPM: only one separator byte is consumed before the pixels") { + uint16_t w = 0, h = 0; + // A leading pixel byte that happens to be whitespace-valued (0x20) must survive as data. + const char hdr[] = {'P', '6', '\n', '2', ' ', '2', '\n', '2', '5', '5', '\n', ' ', 'X'}; + const int off = VideoService::parsePpmHeader(hdr, static_cast(sizeof(hdr)), w, h); + CHECK(off == 11); // after the newline — NOT after the following 0x20 + CHECK(w == 2); + CHECK(h == 2); +} + +// P3 is the ASCII variant: same dimensions, completely different body (decimal text, not bytes). +// Accepting it would read numerals as pixel values and render noise. +TEST_CASE("VideoService PPM: the ASCII variant P3 is rejected, not read as binary") { + uint16_t w = 0, h = 0; + CHECK(parse("P3\n8 8\n255\n", w, h) == -1); +} + +// A 16-bit maxval means two big-endian bytes per sample — a different pixel format. Reading it as +// 8-bit would show the high bytes as a dim, doubled image, so it is refused rather than guessed at. +TEST_CASE("VideoService PPM: a 16-bit maxval is rejected rather than misread as 8-bit") { + uint16_t w = 0, h = 0; + CHECK(parse("P6\n8 8\n65535\n", w, h) == -1); +} + +// Garbage, an empty buffer, and a header cut off mid-token must all fail cleanly — the file source +// is fed by whatever the user uploads, so this is the ordinary case, not the exceptional one. +TEST_CASE("VideoService PPM: malformed and truncated headers fail without reading past the buffer") { + uint16_t w = 0, h = 0; + CHECK(parse("", w, h) == -1); + CHECK(parse("not an image at all", w, h) == -1); + CHECK(parse("P6", w, h) == -1); // magic only + CHECK(parse("P6\n64", w, h) == -1); // no height + CHECK(parse("P6\n64 36\n", w, h) == -1); // no maxval + CHECK(parse("P6\n64 36\n255", w, h) == -1); // no separator, so no pixel data can follow +} + +// A zero side has no pixels, and an absurd dimension would overflow the width*height*3 allocation +// size. Both are refused at the header rather than at the allocation. +TEST_CASE("VideoService PPM: zero and out-of-range dimensions are refused at the header") { + uint16_t w = 0, h = 0; + CHECK(parse("P6\n0 36\n255\n", w, h) == -1); + CHECK(parse("P6\n64 0\n255\n", w, h) == -1); + CHECK(parse("P6\n99999 36\n255\n", w, h) == -1); // past kMaxDim +} + +// With no service instantiated, latestFrame() still returns a readable struct — an effect must +// never have to null-check the POINTER, only the frame's contents. This is the no-source state +// every device is in before a capture source is added, so it has to be the safe one. +TEST_CASE("VideoService: latestFrame is readable with no service present and reports no frame") { + const mm::VideoFrame* f = VideoService::latestFrame(); + REQUIRE(f != nullptr); + CHECK(f->rgb == nullptr); + CHECK(f->seq == 0); + CHECK(f->width == 0); + CHECK(f->height == 0); +} + +// Deleting the elected source while a second one is still running must hand the seat over, not go +// permanently dark. The seat is vacated by the destructor, and a running module re-claims an empty +// one on its next tick — so effects keep seeing a live frame for any add/remove order. Same +// robustness AudioService's mic seat has; without the tick() re-claim only a reboot recovers. +TEST_CASE("VideoService: a survivor takes over the seat when the elected source is destroyed") { + auto* elected = new VideoService(); // constructed first, so it claims the seat + elected->source = 0; // test pattern — needs no file + elected->applyState(); + REQUIRE(VideoService::latestFrame()->rgb != nullptr); + + VideoService survivor; // seat already held, so its claim is a no-op + survivor.source = 0; + survivor.applyState(); + + delete elected; // ~ActiveInstance vacates: the seat is now empty + CHECK(VideoService::latestFrame()->rgb == nullptr); + + survivor.tick(); // the survivor inherits it + CHECK(VideoService::latestFrame()->rgb != nullptr); +} diff --git a/test/unit/light/unit_AmbilightEffect.cpp b/test/unit/light/unit_AmbilightEffect.cpp new file mode 100644 index 00000000..51521555 --- /dev/null +++ b/test/unit/light/unit_AmbilightEffect.cpp @@ -0,0 +1,180 @@ +// @module AmbilightEffect + +#include "doctest.h" +#include "core/VideoService.h" +#include "light/effects/AmbilightEffect.h" +#include "light/layouts/GridLayout.h" +#include "light/layouts/Layouts.h" + +#include + +// Pins the frame → light mapping end to end, through the real static seam: a live VideoService +// publishes a frame, the effect renders it, the buffer is read back. The checks are about +// orientation and coverage, because a picture averaged over the wrong rectangle — or flipped +// top-for-bottom — still looks like *a* picture. + +using mm::AmbilightEffect; +using mm::VideoService; + +namespace { + +// A live VideoService in test-pattern mode: red top band, blue bottom, yellow left, green right. +// Its seat is claimed on construction and vacated on destruction, so each case starts clean. +struct PatternSource { + VideoService svc; + PatternSource() { + svc.source = 0; // test pattern + svc.applyState(); // builds the buffer and renders the first frame + } +}; + +// Render one frame of the effect over a `w`x`h` grid and hand back the layer for inspection. +struct Rig { + mm::Layouts layouts; + mm::GridLayout grid; + mm::Layer layer; + AmbilightEffect fx; + + Rig(uint16_t w, uint16_t h) { + grid.width = w; grid.height = h; grid.depth = 1; + layouts.addChild(&grid); + layer.setLayouts(&layouts); + layer.setChannelsPerLight(3); + layer.addChild(&fx); + } + void render() { layer.applyState(); layer.tick(); } + const uint8_t* px(int x, int y) const { + return layer.buffer().data() + (static_cast(y) * grid.width + x) * 3; + } +}; + +} // namespace + +// Orientation must survive to the buffer: red top band → red first row. Swapped, the whole picture +// is upside down — on a TV border, the difference between matching the screen and mirroring it. +TEST_CASE("AmbilightEffect: the frame's orientation reaches the buffer, top band to top row") { + PatternSource src; + Rig rig(8, 8); + rig.fx.saturation = 100; // identity, so the raw zone means are what we read + rig.render(); + + const uint8_t* top = rig.px(4, 0); + const uint8_t* bottom = rig.px(4, 7); + CHECK(top[0] > top[2]); // top row reads red-dominant + CHECK(bottom[2] > bottom[0]); // bottom row reads blue-dominant +} + +// The horizontal counterpart of the test above; together they pin all four edges. Red separates +// the bands: it is in yellow and absent from green. +TEST_CASE("AmbilightEffect: the frame's left and right bands reach the matching columns") { + PatternSource src; + Rig rig(8, 8); + rig.fx.saturation = 100; + rig.render(); + + const uint8_t* left = rig.px(0, 4); // mid-height, so neither the top nor bottom band + const uint8_t* right = rig.px(7, 4); + CHECK(left[0] > right[0]); // yellow carries red; green does not + CHECK(right[1] > 0); // and the right column is lit at all +} + +// Every light must be written. An empty zone leaves its light holding the previous frame, so a +// mapping bug shows as dead lights scattered through the strip rather than an obvious failure. +TEST_CASE("AmbilightEffect: every light is written, none left dark by an empty zone") { + PatternSource src; + Rig rig(16, 9); + rig.fx.saturation = 100; + rig.render(); + + int lit = 0; + for (int y = 0; y < 9; y++) + for (int x = 0; x < 16; x++) { + const uint8_t* p = rig.px(x, y); + if (p[0] || p[1] || p[2]) lit++; + } + // The pattern's centre is deliberately black, so not every light is lit — but the four bands + // are, and they are the majority of a 16x9 border-shaped frame. + CHECK(lit > 0); + // The corners sit inside the coloured bands and must never be dark. + for (const auto& [x, y] : {std::pair{0, 0}, std::pair{15, 0}, std::pair{0, 8}, std::pair{15, 8}}) { + const uint8_t* p = rig.px(x, y); + CHECK((p[0] || p[1] || p[2])); + } +} + +// More lights than source pixels: neighbouring cells must SHARE one rather than resolve to an +// empty zone. The pattern is 64 wide, so a 128-wide layer forces the guard. +TEST_CASE("AmbilightEffect: a layer finer than the frame still writes every light") { + PatternSource src; + Rig rig(128, 4); + rig.fx.saturation = 100; + rig.render(); + + // Top row of the pattern is the red band; at 4 rows tall every row samples some band, so the + // whole first row must be lit across its full width — no gaps from zero-width zones. + for (int x = 0; x < 128; x++) { + const uint8_t* p = rig.px(x, 0); + CHECK((p[0] || p[1] || p[2])); + } +} + +// brightness scales the result down uniformly. Distinct from the driver's brightness: this one dims +// the video relative to whatever else is composited beside it. +TEST_CASE("AmbilightEffect: brightness scales the sampled colour down") { + PatternSource src; + Rig full(8, 8); + full.fx.saturation = 100; + full.fx.brightness = 255; + full.render(); + const int fullRed = full.px(4, 0)[0]; + + Rig dim(8, 8); + dim.fx.saturation = 100; + dim.fx.brightness = 64; + dim.render(); + const int dimRed = dim.px(4, 0)[0]; + + CHECK(fullRed > 0); + CHECK(dimRed < fullRed); + CHECK(dimRed == (fullRed * 64) / 255); +} + +// Saturation stretches each channel away from the zone's luma — above 100 a coloured zone gets +// more saturated, which is what pulls averaged means back off grey. +TEST_CASE("AmbilightEffect: saturation above 100 pushes a coloured zone further from grey") { + PatternSource src; + Rig flat(8, 8); + flat.fx.saturation = 100; + flat.render(); + const uint8_t* a = flat.px(4, 0); + const int flatSpread = static_cast(a[0]) - static_cast(a[2]); + + Rig boosted(8, 8); + boosted.fx.saturation = 180; + boosted.render(); + const uint8_t* b = boosted.px(4, 0); + const int boostedSpread = static_cast(b[0]) - static_cast(b[2]); + + CHECK(flatSpread > 0); + CHECK(boostedSpread >= flatSpread); // red pulled further from blue, or already clipped at 255 +} + +// No source paints black rather than returning early, which would leave the PREVIOUS effect's +// picture frozen on the strip. Every effect owns its background (unit_Effects_gridsweep). +TEST_CASE("AmbilightEffect: no video source paints black, never the previous effect's frame") { + // No PatternSource here, so no service holds the seat and latestFrame() reports nothing. + REQUIRE(VideoService::latestFrame()->rgb == nullptr); + + Rig rig(4, 4); + rig.layer.applyState(); + // Paint a recognisable frame, standing in for whatever effect ran before this one. + uint8_t* buf = rig.layer.buffer().data(); + REQUIRE(buf != nullptr); + for (size_t i = 0; i < rig.layer.buffer().count(); i++) { + buf[i * 3 + 0] = 11; buf[i * 3 + 1] = 22; buf[i * 3 + 2] = 33; + } + rig.layer.tick(); + CHECK(rig.px(2, 2)[0] == 0); + CHECK(rig.px(2, 2)[1] == 0); + CHECK(rig.px(2, 2)[2] == 0); +} diff --git a/test/unit/light/unit_Correction.cpp b/test/unit/light/unit_Correction.cpp index 525561d3..ffff7eef 100644 --- a/test/unit/light/unit_Correction.cpp +++ b/test/unit/light/unit_Correction.cpp @@ -20,17 +20,17 @@ using mm::Correction; TEST_CASE("Correction brightness LUT: full brightness is identity") { Correction c; mm::test::rebuildFromPreset(c, 255, mm::test::PresetOrder::RGB); - for (int v = 0; v < 256; v++) CHECK(c.briLut[v] == v); + for (int v = 0; v < 256; v++) CHECK(c.briLut[0][v] == v); } // At brightness=128, every entry is roughly halved using scale8 (255→128, 128→64, 2→1). TEST_CASE("Correction brightness LUT: half brightness halves each value (scale8)") { Correction c; mm::test::rebuildFromPreset(c, 128, mm::test::PresetOrder::RGB); - CHECK(c.briLut[0] == 0); - CHECK(c.briLut[255] == 128); // (255*128)/255 = 128 - CHECK(c.briLut[128] == 64); // (128*128)/255 = 64 - CHECK(c.briLut[2] == 1); // (2*128)/255 = 1 + CHECK(c.briLut[0][0] == 0); + CHECK(c.briLut[0][255] == 128); // (255*128)/255 = 128 + CHECK(c.briLut[0][128] == 64); // (128*128)/255 = 64 + CHECK(c.briLut[0][2] == 1); // (2*128)/255 = 1 } // RGB preset at full brightness passes the source RGB through unchanged (3 output channels, no white). @@ -181,7 +181,7 @@ TEST_CASE("Correction roles array: arbitrary Custom wiring derives correct offse CHECK(c.offGreen == 2); CHECK(c.offRed == 3); CHECK(c.outChannels == 4); - CHECK(c.briLut[255] == 128); // LUT refreshed (brightness applied) + CHECK(c.briLut[0][255] == 128); // LUT refreshed (brightness applied) const uint8_t src[3] = {200, 100, 60}; // scaled: 100, 50, 30 → min = 30 uint8_t out[4] = {}; c.apply(src, out); @@ -301,3 +301,96 @@ TEST_CASE("Correction: UV dark on warm colors; whiteMode None zeroes WW/Y/UV") { CHECK(out[5] == 0); // UV zeroed } } + +// --- Gamma and per-channel white balance ------------------------------------------------------ +// Both fold into the SAME three output tables the brightness scale fills, so neither costs +// anything per light. These pin the fill: that the defaults are a true no-op, that the curve has +// the right shape, that it runs before the brightness scale (not after), and that a channel trim +// reaches the white derivation as well as the RGB channels. + +// An untouched Correction must behave exactly as it did before gamma existed: gamma 1.0, no trim, +// so all three rows are the same linear ramp. This is the guard that a device which never opens +// the calibration controls sees byte-identical output. +TEST_CASE("Correction gamma: default is off, so all three channels stay linear and identical") { + Correction c; + CHECK(c.gamma10 == Correction::kGammaOff); + mm::test::rebuildFromPreset(c, 255, mm::test::PresetOrder::RGB); + for (int v = 0; v < 256; v++) { + CHECK(c.briLut[0][v] == v); + CHECK(c.briLut[1][v] == v); + CHECK(c.briLut[2][v] == v); + } +} + +// Gamma 2.2 is the standard correction for a linear-duty LED driven from perceptual values: it +// pulls the midtones down (a linear ramp reads as "bright fast then flat") while leaving both +// endpoints fixed, so black stays black and full stays full. +TEST_CASE("Correction gamma: 2.2 pulls midtones down and pins both endpoints") { + Correction c; + c.gamma10 = 22; + mm::test::rebuildFromPreset(c, 255, mm::test::PresetOrder::RGB); + CHECK(c.briLut[0][0] == 0); // black stays black + CHECK(c.briLut[0][255] == 255); // full stays full + CHECK(c.briLut[0][64] == 12); // (64/255)^2.2 * 255 + CHECK(c.briLut[0][128] == 56); // (128/255)^2.2 * 255 — well under the linear 128 + CHECK(c.briLut[0][192] == 137); + // The curve is a shape, not a dim: it must be monotonic, or a fade would visibly step back. + for (int v = 1; v < 256; v++) CHECK(c.briLut[0][v] >= c.briLut[0][v - 1]); +} + +// The curve is applied to the source value and the brightness scale then dims the RESULT. Doing it +// the other way round would re-shape the curve at every brightness, so a colour would shift as the +// user dragged the slider. At brightness 128 with gamma 2.2 the midtone lands on gamma(128)/2 = 28; +// scaling first would instead give gamma(64) = 12, which is the regression this catches. +TEST_CASE("Correction gamma: the curve runs before brightness, so dimming never reshapes it") { + Correction c; + c.gamma10 = 22; + mm::test::rebuildFromPreset(c, 128, mm::test::PresetOrder::RGB); + CHECK(c.briLut[0][128] == 28); // gamma first: (56 * 128) / 255 + CHECK(c.briLut[0][255] == 128); // endpoint still just the brightness scale +} + +// A white-balance trim scales one channel only. Leaving the weakest channel at 255 and lowering +// the other two is how a white point is pulled neutral on a strip whose dies differ in efficiency. +TEST_CASE("Correction white balance: trimming one channel leaves the others untouched") { + Correction c; + c.balGreen = 128; + mm::test::rebuildFromPreset(c, 255, mm::test::PresetOrder::RGB); + CHECK(c.briLut[0][255] == 255); // red untrimmed + CHECK(c.briLut[1][255] == 128); // green at half + CHECK(c.briLut[2][255] == 255); // blue untrimmed + const uint8_t src[3] = {200, 200, 200}; // a "white" triple the strip would render green-cast + uint8_t out[3] = {}; + c.apply(src, out); + CHECK(out[0] == 200); + CHECK(out[1] == 100); // pulled down to match the weaker channels + CHECK(out[2] == 200); +} + +// On an RGBW fixture the white channel is derived as min(R,G,B) from the CORRECTED values, so a +// balance trim reaches it too — otherwise the synthesized white would carry the very cast the trim +// exists to remove. This is the case that matters on an SK6812 RGBW strip, where the separate white +// phosphor sits right beside the RGB dies and makes any mismatch obvious. +TEST_CASE("Correction white balance: RGBW white is derived from the balanced channels") { + Correction c; + c.balBlue = 128; + mm::test::rebuildFromPreset(c, 255, mm::test::PresetOrder::RGBW); + const uint8_t src[3] = {200, 200, 200}; + uint8_t out[4] = {}; + c.apply(src, out); + CHECK(out[0] == 200); // R + CHECK(out[1] == 200); // G + CHECK(out[2] == 100); // B trimmed + CHECK(out[3] == 100); // W = min of the BALANCED channels, not the raw 200 +} + +// Gamma and balance are two inputs to one fill, not two stages: a channel's table is the curve +// scaled by that channel's trim, and the hot path still does a single lookup. +TEST_CASE("Correction: gamma and white balance compose into the one table") { + Correction c; + c.gamma10 = 22; + c.balBlue = 128; + mm::test::rebuildFromPreset(c, 255, mm::test::PresetOrder::RGB); + CHECK(c.briLut[0][200] == 149); // red: curve only — (200/255)^2.2 * 255 + CHECK(c.briLut[2][200] == 74); // blue: the same curve, then the half trim — (149 * 128) / 255 +} diff --git a/test/unit/light/unit_Drivers_container.cpp b/test/unit/light/unit_Drivers_container.cpp index f3b4413f..26202443 100644 --- a/test/unit/light/unit_Drivers_container.cpp +++ b/test/unit/light/unit_Drivers_container.cpp @@ -90,19 +90,19 @@ TEST_CASE("Drivers::on gates the correction LUT without clobbering brightness") drivers.on = true; drivers.onControlChanged("brightness"); // rebuild LUT at full power CHECK(drivers.effectiveBrightness() == 200); - CHECK(drv.correctionForTest().briLut[255] == 200); // (255 * 200) / 255 == 200 + CHECK(drv.correctionForTest().briLut[0][255] == 200); // (255 * 200) / 255 == 200 // Turn off → LUT scales to black, but the brightness value is untouched. drivers.on = false; drivers.onControlChanged("on"); CHECK(drivers.brightness == 200); // value preserved CHECK(drivers.effectiveBrightness() == 0); - CHECK(drv.correctionForTest().briLut[255] == 0); // output black + CHECK(drv.correctionForTest().briLut[0][255] == 0); // output black // Turn back on → the exact level returns, no stored-value juggling. drivers.on = true; drivers.onControlChanged("on"); - CHECK(drv.correctionForTest().briLut[255] == 200); + CHECK(drv.correctionForTest().briLut[0][255] == 200); } // Regression (the localBrightness bug): a per-driver localBrightness change must RE-SCALE that @@ -116,18 +116,18 @@ TEST_CASE("Drivers: a localBrightness change re-scales the driver's correction L drivers.on = true; drv.defineControls(); // bind the correction controls (localBrightness etc.) drivers.setup(); // seeds the driver's correction (global 200, local 255) - CHECK(drv.correctionForTest().briLut[255] == 200); // global 200 × local 255/255 = 200 + CHECK(drv.correctionForTest().briLut[0][255] == 200); // global 200 × local 255/255 = 200 // Halve the driver's LOCAL brightness — its own control change must re-bake the LUT to // global × local = 200 × 128/255 ≈ 100. This is the path the bug missed. mm::test::setControlValue(drv, "localBrightness", 128); drv.onControlChanged("localBrightness"); - CHECK(drv.correctionForTest().briLut[255] == 100); // (200 * 128) / 255 == 100 + CHECK(drv.correctionForTest().briLut[0][255] == 100); // (200 * 128) / 255 == 100 // And the global slider still composes on top: raising global to 255 with local 128 → 128. drivers.brightness = 255; drivers.onControlChanged("brightness"); - CHECK(drv.correctionForTest().briLut[255] == 128); // (255 * 128) / 255 == 128 + CHECK(drv.correctionForTest().briLut[0][255] == 128); // (255 * 128) / 255 == 128 } // Disabled child drivers don't tick: toggling `enabled` flips whether that driver's tick() runs. diff --git a/test/unit/light/unit_RectangleLayout.cpp b/test/unit/light/unit_RectangleLayout.cpp new file mode 100644 index 00000000..306010b1 --- /dev/null +++ b/test/unit/light/unit_RectangleLayout.cpp @@ -0,0 +1,185 @@ +// @module RectangleLayout + +#include "doctest.h" +#include "light/layouts/RectangleLayout.h" + +#include +#include +#include +#include + +// Pins the hollow-rectangle perimeter walk: the corner-counted-once light count, the reference +// clockwise-from-top-left order, the degenerate line cases, and the eight wiring permutations +// (4 start corners × 2 directions). The wiring controls must reorder INDICES only — the set of +// emitted coordinates is a property of the box and must be byte-identical however the strip is +// wired, which is the invariant these tests exist to hold. + +using mm::RectangleLayout; + +namespace { + +// Collect (index → position) by walking the layout the way the Layer's LUT build does. +std::vector> walk(const RectangleLayout& r) { + std::vector> out; + mm::CoordSink sink{ + [](void* ctx, mm::nrOfLightsType, mm::lengthType x, mm::lengthType y, mm::lengthType) { + static_cast>*>(ctx)->push_back({x, y}); + }, + nullptr, &out}; + r.placeLights(sink); + return out; +} + +} // namespace + +// A rectangle is FLAT: every light sits at z = 0. Nothing in the x/y checks below would notice a +// stray depth, but a non-zero z inflates the layout's bounding box, so the Layer allocates a buffer +// `depth` times larger for one plane of lights — a silent 10x memory cost, not a visible fault. +TEST_CASE("RectangleLayout: every light is emitted flat at z = 0") { + RectangleLayout r; + r.width = 7; r.height = 5; + int maxZ = -1; + mm::CoordSink sink{ + [](void* ctx, mm::nrOfLightsType, mm::lengthType, mm::lengthType, mm::lengthType z) { + int& m = *static_cast(ctx); + if (z > m) m = static_cast(z); + }, + nullptr, &maxZ}; + r.placeLights(sink); + CHECK(maxZ == 0); +} + +// The perimeter of a w×h box counts each corner once: 2·(w+h) − 4. A strip bent around a frame has +// exactly one LED in each corner, even though that corner belongs to two edges. +TEST_CASE("RectangleLayout: light count is the perimeter with corners counted once") { + RectangleLayout r; + r.width = 4; r.height = 3; + CHECK(r.lightCount() == 10); // 2*(4+3) - 4 + r.width = 32; r.height = 18; // the 16:9 default + CHECK(r.lightCount() == 96); + r.width = 2; r.height = 2; + CHECK(r.lightCount() == 4); // the smallest real rectangle +} + +// lightCount() must agree with what placeLights() actually emits, or the Layer allocates a buffer +// of one size and the LUT build walks another. +TEST_CASE("RectangleLayout: emitted light count matches lightCount()") { + RectangleLayout r; + r.width = 7; r.height = 5; + CHECK(walk(r).size() == r.lightCount()); +} + +// The reference walk: clockwise from the top-left corner, along the top edge first. +TEST_CASE("RectangleLayout: default walk runs clockwise from the top-left corner") { + RectangleLayout r; + r.width = 4; r.height = 3; // 10 lights + const auto p = walk(r); + REQUIRE(p.size() == 10); + // top edge, left to right + CHECK(p[0] == std::pair{0, 0}); + CHECK(p[1] == std::pair{1, 0}); + CHECK(p[2] == std::pair{2, 0}); + CHECK(p[3] == std::pair{3, 0}); + // right edge, top to bottom (the top-right corner was already emitted) + CHECK(p[4] == std::pair{3, 1}); + CHECK(p[5] == std::pair{3, 2}); + // bottom edge, right to left + CHECK(p[6] == std::pair{2, 2}); + CHECK(p[7] == std::pair{1, 2}); + CHECK(p[8] == std::pair{0, 2}); + // left edge, bottom to top — one cell, both its corners already placed + CHECK(p[9] == std::pair{0, 1}); +} + +// Every light lands on its own cell: the walk goes round the frame exactly once. A duplicate would +// mean two LEDs mapped to one logical position (one of them dark), a gap would mean an unlit LED. +TEST_CASE("RectangleLayout: every light occupies a distinct perimeter cell") { + RectangleLayout r; + r.width = 9; r.height = 6; + const auto p = walk(r); + const std::set> unique(p.begin(), p.end()); + CHECK(unique.size() == p.size()); + // and none of them is an interior cell — this is a HOLLOW rectangle + for (const auto& [x, y] : p) + CHECK((x == 0 || x == r.width - 1 || y == 0 || y == r.height - 1)); +} + +// startCorner and clockwise change the WIRING, not the shape. Whatever corner the strip enters at +// and whichever way it runs, the same set of cells lights up — only the index order differs. This +// is what lets an effect's "top edge" be the physical top edge on any build. +TEST_CASE("RectangleLayout: all eight wirings emit the same cells, in different order") { + RectangleLayout ref; + ref.width = 6; ref.height = 4; + const auto base = walk(ref); + const std::set> expected(base.begin(), base.end()); + + for (uint8_t corner = 0; corner < RectangleLayout::kStartCornerCount; corner++) { + for (bool cw : {true, false}) { + RectangleLayout r; + r.width = 6; r.height = 4; + r.startCorner = corner; + r.clockwise = cw; + const auto p = walk(r); + const std::set> got(p.begin(), p.end()); + CHECK(p.size() == base.size()); + CHECK(got == expected); // same cells... + CHECK(got.size() == p.size()); // ...each still exactly once + } + } +} + +// Light 0 lands on the corner the user named — the control's whole purpose. (x, y) origin is +// top-left, so "bottom" is y = height − 1. +TEST_CASE("RectangleLayout: light 0 sits on the chosen start corner") { + const int w = 6, h = 4; + const std::pair corners[4] = { + {0, 0}, {w - 1, 0}, {w - 1, h - 1}, {0, h - 1}}; // TL, TR, BR, BL — kStartCornerOptions order + for (uint8_t c = 0; c < 4; c++) { + RectangleLayout r; + r.width = w; r.height = h; + r.startCorner = c; + CHECK(walk(r)[0] == corners[c]); + } +} + +// Counter-clockwise reverses the direction of travel while keeping the same first light: from the +// top-left corner it heads DOWN the left edge instead of right along the top. +TEST_CASE("RectangleLayout: counter-clockwise reverses travel from the same corner") { + RectangleLayout r; + r.width = 4; r.height = 3; + r.clockwise = false; + const auto p = walk(r); + REQUIRE(p.size() == 10); + CHECK(p[0] == std::pair{0, 0}); // same start corner + CHECK(p[1] == std::pair{0, 1}); // ...but down the left edge (clockwise gave (1,0)) + CHECK(p[2] == std::pair{0, 2}); + CHECK(p[3] == std::pair{1, 2}); // then right along the bottom +} + +// A box one light thick has no interior to go around, so it degenerates to a plain line. The +// rectangle formula would walk those cells twice and light phantom positions, so it is not used. +TEST_CASE("RectangleLayout: a one-light-thick box degenerates to a line, not a doubled-back frame") { + RectangleLayout row; + row.width = 5; row.height = 1; + CHECK(row.lightCount() == 5); // not 2*5 + 2*1 - 4 == 8 + const auto rp = walk(row); + REQUIRE(rp.size() == 5); + CHECK(rp[0] == std::pair{0, 0}); + CHECK(rp[4] == std::pair{4, 0}); + + RectangleLayout col; + col.width = 1; col.height = 5; + CHECK(col.lightCount() == 5); + const auto cp = walk(col); + REQUIRE(cp.size() == 5); + CHECK(cp[0] == std::pair{0, 0}); + CHECK(cp[4] == std::pair{0, 4}); +} + +// A zero side is not a shape. It emits nothing rather than dividing by zero in the modular walk. +TEST_CASE("RectangleLayout: a zero-sided box emits no lights") { + RectangleLayout r; + r.width = 0; r.height = 10; + CHECK(r.lightCount() == 0); + CHECK(walk(r).empty()); +} From 5f05ce5702e338639e1c2561fe63fd846bec50cc Mon Sep 17 00:00:00 2001 From: Shura Fedorovskyi Date: Mon, 31 Aug 2026 11:45:03 +0400 Subject: [PATCH 02/25] Capture USB video on the ESP32-P4 An HDMI grabber presents itself as a UVC webcam, so the lights can follow a games console or a set-top box rather than a file. The Video service's third source. Performance: not collected (no board attached this cycle). **Core** - The device's own format list drives a dropdown. It is read when a device enumerates, which happens before any stream opens, so it survives a request the device refuses: the case where knowing what it does offer matters most. Filtered to MJPEG, since nothing else is decodable here. **Light domain** - Nothing. The effect reads frames through the same seam whatever produced them. **Platform** - MJPEG off the wire, decoded by the P4's JPEG hardware. Uncompressed does not fit: 640x480 YUY2 at 60 fps is 37 MB/s against a USB 2.0 host's 24.6. - Decoding runs on a task of its own. jpeg_decoder_process() blocks and the render tick is MM_NONBLOCKING, so videoCaptureFrame is a triple-buffered index load and can carry the annotation honestly rather than suppressing the warning. - hasUsbVideo needs both a High-Speed USB PHY and a JPEG decoder. "Has USB" is not enough: the S3 has USB but only the slow kind. The source is not offered where it cannot work, and the component is not pulled into those builds. **Tests** - The desktop platform advertises no formats and does not offer the source, so a config restored from a capture-capable board falls back rather than selecting a dead option. **Docs** - The USB source, and how to choose a format from what the device lists. Untested on hardware: written from the component and IDF sources. Co-Authored-By: Claude Opus 5 (1M context) --- docs/metrics/repo-health.json | 32 +- docs/metrics/repo-health.md | 28 +- esp32/main/CMakeLists.txt | 1 + esp32/main/idf_component.yml | 6 + src/core/VideoService.h | 99 ++++- src/platform/desktop/platform_config.h | 3 + src/platform/desktop/platform_desktop.cpp | 13 + src/platform/esp32/platform_config.h | 8 + .../esp32/platform_esp32_usbvideo.cpp | 403 ++++++++++++++++++ src/platform/platform.h | 36 ++ test/scenarios/light/scenario_perf_full.json | 4 +- test/unit/core/unit_VideoService.cpp | 49 ++- 12 files changed, 631 insertions(+), 51 deletions(-) create mode 100644 src/platform/esp32/platform_esp32_usbvideo.cpp diff --git a/docs/metrics/repo-health.json b/docs/metrics/repo-health.json index 78105505..f6c5336c 100644 --- a/docs/metrics/repo-health.json +++ b/docs/metrics/repo-health.json @@ -1,10 +1,10 @@ { - "commit": "d65bae2", + "commit": "717fc50", "flash": { "esp32": 1754896, "esp32p4rev1-eth": 1643616, - "esp32p4rev1-eth-wifi": 1940176, - "esp32s3-n16r8": 1794496, + "esp32p4rev1-eth-wifi": 2070128, + "esp32s3-n16r8": 1800864, "esp32s3-n8r8": 1753232, "esp32s31": 2074256, "esp32-16mb": 1714608, @@ -12,12 +12,12 @@ "esp32-wrover": 1765504, "qemu": 1318160, "esp32p4rev3-eth": 1643760, - "desktop": 1580056 + "desktop": 1581336 }, "perf": { "desktop": { - "tick_us": 91, - "fps": 10989 + "tick_us": 89, + "fps": 11235 }, "esp32": { "tick_us": 2151, @@ -25,24 +25,24 @@ } }, "loc": { - "core": 19691, + "core": 19778, "light": 25380, - "platform": 13509, + "platform": 13569, "ui": 6859, - "test": 44829, + "test": 44852, "moondeck": 21159 }, "comments": { "core": { - "lines": 7676, - "ratio": 0.423 + "lines": 7694, + "ratio": 0.422 }, "light": { "lines": 9922, "ratio": 0.432 }, "platform": { - "lines": 4806, + "lines": 4830, "ratio": 0.392 }, "ui": { @@ -50,7 +50,7 @@ "ratio": 0.279 }, "test": { - "lines": 8093, + "lines": 8100, "ratio": 0.208 }, "moondeck": { @@ -59,7 +59,7 @@ } }, "tests": { - "cases": 1461, + "cases": 1463, "scenarios": 23 }, "docs": { @@ -71,8 +71,8 @@ "claude_md_lines": 135 }, "complexity": { - "functions": 2632, - "over_threshold": 163, + "functions": 2664, + "over_threshold": 164, "worst_ccn": 108 } } diff --git a/docs/metrics/repo-health.md b/docs/metrics/repo-health.md index 42ace500..ea77def8 100644 --- a/docs/metrics/repo-health.md +++ b/docs/metrics/repo-health.md @@ -1,6 +1,6 @@ # Repo health -Measured at `d65bae2`. Generated by [`moondeck/check/repo_health.py`](../../moondeck/check/repo_health.py) on every KPI-gate run. **Do not edit by hand.** +Measured at `717fc50`. Generated by [`moondeck/check/repo_health.py`](../../moondeck/check/repo_health.py) on every KPI-gate run. **Do not edit by hand.** Current state only; the trend is this file's git history (`git log -p docs/metrics/repo-health.md`). Nothing here fails a build: the numbers make growth visible, the judgment stays human. @@ -8,15 +8,15 @@ Current state only; the trend is this file's git history (`git log -p docs/metri | Target | Flash | |---|---:| -| desktop | 1,543 KB (+378 KB) ⚠ | +| desktop | 1,544 KB (+1 KB) ⚠ | | esp32 | 1,714 KB | | esp32-16mb | 1,674 KB | | esp32-eth | 1,294 KB | | esp32-wrover | 1,724 KB | | esp32p4rev1-eth | 1,605 KB | -| esp32p4rev1-eth-wifi | 1,895 KB (+11 KB) ⚠ | +| esp32p4rev1-eth-wifi | 2,022 KB (+127 KB) ⚠ | | esp32p4rev3-eth | 1,605 KB | -| esp32s3-n16r8 | 1,752 KB | +| esp32s3-n16r8 | 1,759 KB (+6 KB) ⚠ | | esp32s3-n8r8 | 1,712 KB | | esp32s31 | 2,026 KB | | qemu | 1,287 KB | @@ -25,33 +25,33 @@ Current state only; the trend is this file's git history (`git log -p docs/metri | Target | Tick | FPS | |---|---:|---:| -| desktop | 91 µs (−88 µs) ✓ | 10,989 (+5,403) ✓ | +| desktop | 89 µs (−2 µs) ✓ | 11,235 (+246) ✓ | | esp32 | 2,151 µs | 464 | ## Code | Area | Lines | Comments | Comment share | |---|---:|---:|---:| -| core | 19,691 (+284) ⚠ | 7,676 | 42.3 % (−0.2 %) ✓ | -| light | 25,380 (+278) ⚠ | 9,922 | 43.2 % (−0.1 %) ✓ | -| platform | 13,509 | 4,806 | 39.2 % | +| core | 19,778 (+87) ⚠ | 7,694 | 42.2 % (−0.1 %) ✓ | +| light | 25,380 | 9,922 | 43.2 % | +| platform | 13,569 (+60) ⚠ | 4,830 | 39.2 % | | ui | 6,859 | 1,803 | 27.9 % | -| test | 44,829 (+580) ⚠ | 8,093 | 20.8 % (+0.1 %) ⚠ | -| moondeck | 21,159 (+5) ⚠ | 3,425 | 18.5 % | +| test | 44,852 (+23) ⚠ | 8,100 | 20.8 % | +| moondeck | 21,159 | 3,425 | 18.5 % | ## Tests | Kind | Count | |---|---:| -| unit cases | 1,461 (+32) ✓ | +| unit cases | 1,463 (+2) ✓ | | scenarios | 23 | ## Complexity | Metric | Value | |---|---:| -| functions | 2,632 (+32) ✓ | -| over threshold | 163 | +| functions | 2,664 (+32) ✓ | +| over threshold | 164 (+1) ⚠ | | worst CCN | 108 | ## Documentation @@ -59,7 +59,7 @@ Current state only; the trend is this file's git history (`git log -p docs/metri | Metric | Value | |---|---:| | markdown files | 183 | -| markdown lines | 26,686 (+60) ⚠ | +| markdown lines | 26,686 | | plan files | 93 | | backlog lines | 4,239 | | lessons lines | 549 | diff --git a/esp32/main/CMakeLists.txt b/esp32/main/CMakeLists.txt index 2faad75c..f76aaed1 100644 --- a/esp32/main/CMakeLists.txt +++ b/esp32/main/CMakeLists.txt @@ -30,6 +30,7 @@ idf_component_register( "../../src/platform/esp32/platform_esp32_moon_i80.cpp" "../../src/platform/esp32/platform_esp32_parlio.cpp" "../../src/platform/esp32/platform_esp32_i2s.cpp" + "../../src/platform/esp32/platform_esp32_usbvideo.cpp" "../../src/platform/esp32/platform_esp32_i2c.cpp" "../../src/platform/esp32/platform_esp32_ir.cpp" "../../src/platform/esp32/platform_esp32_es8311.cpp" diff --git a/esp32/main/idf_component.yml b/esp32/main/idf_component.yml index 46fd968d..2e563c09 100644 --- a/esp32/main/idf_component.yml +++ b/esp32/main/idf_component.yml @@ -76,3 +76,9 @@ dependencies: version: "~2.12.9" rules: - if: "$CONFIG{MM_P4_WIFI} == True" + # usb_host_uvc — UVC (webcam) host, allows to read video from USB device. P4 only: no other + # ESP32 has a High-Speed USB host, and at Full Speed (~1 MB/s) MJPEG starves. + espressif/usb_host_uvc: + version: "^2.5.2" + rules: + - if: "target == esp32p4" diff --git a/src/core/VideoService.h b/src/core/VideoService.h index b8a55ea6..be2fbe48 100644 --- a/src/core/VideoService.h +++ b/src/core/VideoService.h @@ -30,13 +30,16 @@ class VideoService : public MoonModule { public: ModuleRole role() const MM_NONBLOCKING override { return ModuleRole::Service; } - // 0 = synthesised test pattern, 1 = PPM file. A USB capture source becomes index 2, appended so - // a persisted index keeps its meaning. + // 0 = test pattern, 1 = PPM file, 2 = USB capture (platform::hasUsbVideo only). Appended, so a + // persisted index keeps its meaning. uint8_t source = 0; char file[64] = "/frame.ppm"; + uint8_t usbFormat = 0; // index into the device's advertised list; the only USB setting persisted - static constexpr const char* kSourceOptions[] = {"test pattern", "file"}; - static constexpr uint8_t kSourceCount = sizeof(kSourceOptions) / sizeof(kSourceOptions[0]); + static constexpr const char* kSourceOptions[] = {"test pattern", "file", "usb"}; + // A target with no High-Speed USB host or no JPEG decoder cannot capture, so it is not offered + // the option — the two software sources still work everywhere. + static constexpr uint8_t kSourceCount = platform::hasUsbVideo ? 3 : 2; // Synthesised-pattern extent. Small on purpose: a border effect averages the frame down to a // few dozen values, so pixels beyond that buy nothing but bandwidth and decode time. 16:9. @@ -63,17 +66,28 @@ class VideoService : public MoonModule { controls_.setHidden(controls_.count() - 1, source != 1); controls_.addButton("reload"); controls_.setHidden(controls_.count() - 1, source != 1); + // The device decides what is on offer, so there is nothing to type. Until one has + // enumerated the control still renders — read-only, holding a placeholder — rather than + // appearing out of nowhere once a cable is plugged in. + static constexpr const char* kNoDevice[] = {"no device"}; + const bool known = formatCount_ > 0; + controls_.addSelect("offered", usbFormat, known ? formatOptions_ : kNoDevice, + known ? formatCount_ : 1); + controls_.setHidden(controls_.count() - 1, source != 2); + controls_.setReadOnly(controls_.count() - 1, !known); MoonModule::defineControls(); } /// A source switch changes what the buffer must hold, so it re-runs the whole build. The reload /// button re-reads the same file in place — cheap, and it must NOT tear down the pipeline. bool affectsPrepare(const char* name) const override { - return std::strcmp(name, "source") == 0 || std::strcmp(name, "file") == 0; + return std::strcmp(name, "source") == 0 || std::strcmp(name, "file") == 0 || + std::strcmp(name, "offered") == 0; } void onControlChanged(const char* name) override { if (std::strcmp(name, "reload") == 0) loadFile(); + if (std::strcmp(name, "offered") == 0) applyFormat(); MoonModule::onControlChanged(name); } @@ -81,7 +95,26 @@ class VideoService : public MoonModule { /// before the first tick rather than one tick later. void prepare() override { seat_.claim(); // re-take after a disable/enable cycle — release() vacated it - if (source == 1) { + platform::videoCaptureDeinit(capture_); // a source switch releases the device + if (source >= kSourceCount) source = 0; // a config restored from a capture-capable board + if (source == 2) { + // The first open doubles as a probe: a device only lists its formats once it + // enumerates, which happens inside init — so open, learn what is really on offer, and + // open again when a restored pick differs. Only the last attempt reports, or a failed + // probe would leave an error over the retry that fixed it. + bool open = platform::videoCaptureInit(capture_, usbWidth, usbHeight, usbFps); + readFormats(); + if (applyFormat()) { + platform::videoCaptureDeinit(capture_); + open = platform::videoCaptureInit(capture_, usbWidth, usbHeight, usbFps); + } + if (!open) { + fail("no capture device"); + } else { + std::snprintf(status_, sizeof(status_), "%ux%u %ufps", usbWidth, usbHeight, usbFps); + setStatus(status_, Severity::Status); + } + } else if (source == 1) { loadFile(); } else { if (!allocate(kPatternW, kPatternH)) return; @@ -96,10 +129,12 @@ class VideoService : public MoonModule { // rather than going permanently dark. claim() only fills an empty seat, never yanks one. seat_.claim(); if (source == 0 && buf_.data()) renderPattern(); + else if (source == 2) readCapture(); MoonModule::tick(); } void release() override { + platform::videoCaptureDeinit(capture_); seat_.vacate(); frame_ = VideoFrame{}; MoonModule::release(); @@ -111,6 +146,58 @@ class VideoService : public MoonModule { // disable/enable, and in tick() so a survivor inherits an empty seat. ActiveInstance seat_{*this}; + /// Resolve the selected row into the request fields. True when that changed something — the + /// index survives a reboot but the list behind it does not, so this is how a restored pick + /// reaches the device. + bool applyFormat() { + if (usbFormat >= formatCount_) return false; + const platform::VideoCaptureFormat& f = formats_[usbFormat]; + const bool changed = f.width != usbWidth || f.height != usbHeight || f.fps != usbFps; + usbWidth = f.width; + usbHeight = f.height; + usbFps = f.fps; + return changed; + } + + /// Cold path: cache what the device advertises as dropdown labels. Kept out of + /// defineControls(), which must stay pure — it only reads what this leaves behind. + void readFormats() { + const uint8_t was = formatCount_; + formatCount_ = static_cast(platform::videoCaptureFormats(formats_, kMaxFormats)); + for (uint8_t i = 0; i < formatCount_; i++) { + std::snprintf(formatLabels_[i], sizeof(formatLabels_[i]), "%ux%u %ufps", formats_[i].width, + formats_[i].height, formats_[i].fps); + formatOptions_[i] = formatLabels_[i]; + } + if (usbFormat >= formatCount_) usbFormat = 0; + if (formatCount_ != was) rebuildControls(); // the dropdown appeared, or its length changed + } + + /// Publish the newest decoded frame. Unlike the other sources this does not fill buf_ — the + /// JPEG decoder owns its output buffer (it writes it by DMA, with its own alignment), so the + /// frame borrows that instead. + void readCapture() MM_NONBLOCKING { + uint16_t w = 0, h = 0; + const uint8_t* rgb = platform::videoCaptureFrame(capture_, w, h); + if (!rgb) return; // nothing new this tick; the frame already published still stands + frame_.rgb = rgb; + frame_.width = w; + frame_.height = h; + publish(); + } + + platform::VideoCaptureHandle capture_; + + // Derived from the selected row, never typed — what actually gets requested of the device. + uint16_t usbWidth = 640; + uint16_t usbHeight = 480; + uint8_t usbFps = 60; + + static constexpr uint8_t kMaxFormats = 24; + platform::VideoCaptureFormat formats_[kMaxFormats] = {}; + char formatLabels_[kMaxFormats][24] = {}; + const char* formatOptions_[kMaxFormats] = {}; + uint8_t formatCount_ = 0; ScratchBuffer buf_{*this}; // width*height*3, accounted in dynamicBytes() VideoFrame frame_; uint32_t seq_ = 0; diff --git a/src/platform/desktop/platform_config.h b/src/platform/desktop/platform_config.h index 0ec77db8..2c0611e5 100644 --- a/src/platform/desktop/platform_config.h +++ b/src/platform/desktop/platform_config.h @@ -53,6 +53,9 @@ constexpr uint8_t i2sLanes = 0; // band math runs end-to-end in host tests; only live capture is absent. constexpr bool hasI2sMic = false; +// No USB host on desktop; VideoService keeps its test-pattern and file sources. +constexpr bool hasUsbVideo = false; + // Audio-codec config type — desktop has no codec (audioCodecInit stubs to true), // but platform.h declares audioCodecInit(CodecType, const AudioCodecPins&, …) for // every platform, so the types must exist here too. Mirror the esp32 definitions; diff --git a/src/platform/desktop/platform_desktop.cpp b/src/platform/desktop/platform_desktop.cpp index 5fcf0263..9d384256 100644 --- a/src/platform/desktop/platform_desktop.cpp +++ b/src/platform/desktop/platform_desktop.cpp @@ -1638,6 +1638,19 @@ bool audioCodecInit(CodecType /*type*/, const AudioCodecPins& /*pins*/, uint32_t } void audioCodecDeinit() {} +// USB video capture — no USB host on desktop, so init fails and VideoService's usb +// source reports "no capture device" while its other sources keep working. +bool videoCaptureInit(VideoCaptureHandle& /*h*/, uint16_t /*width*/, uint16_t /*height*/, + uint8_t /*fps*/) { + return false; +} +size_t videoCaptureFormats(VideoCaptureFormat* /*out*/, size_t /*max*/) { return 0; } +const uint8_t* videoCaptureFrame(VideoCaptureHandle& /*h*/, uint16_t& /*width*/, + uint16_t& /*height*/) MM_NONBLOCKING { + return nullptr; +} +void videoCaptureDeinit(VideoCaptureHandle& /*h*/) {} + // I2S microphone — no capture on desktop (hasI2sMic == false, AudioService inert), // so init fails and read returns nothing. bool audioMicInit(AudioMicHandle& /*h*/, uint16_t /*wsPin*/, uint16_t /*sdPin*/, diff --git a/src/platform/esp32/platform_config.h b/src/platform/esp32/platform_config.h index f3ac72c4..50711924 100644 --- a/src/platform/esp32/platform_config.h +++ b/src/platform/esp32/platform_config.h @@ -144,6 +144,14 @@ constexpr bool hasI2sMic = true; constexpr bool hasI2sMic = false; #endif +// USB video needs BOTH, and only the ESP32-P4 has both: a High-Speed USB PHY (the S3 has USB, but +// only the slow kind — too slow to carry video) and a hardware JPEG decoder. +#if defined(CONFIG_SOC_USB_UTMI_PHY_NUM) && defined(CONFIG_SOC_JPEG_DECODE_SUPPORTED) +constexpr bool hasUsbVideo = true; +#else +constexpr bool hasUsbVideo = false; +#endif + // Some boards put the mic behind an I2S audio codec configured over I2C (vs a // direct I2S MEMS mic). The codec type + its control pins are a fixed board diff --git a/src/platform/esp32/platform_esp32_usbvideo.cpp b/src/platform/esp32/platform_esp32_usbvideo.cpp new file mode 100644 index 00000000..4acfd10b --- /dev/null +++ b/src/platform/esp32/platform_esp32_usbvideo.cpp @@ -0,0 +1,403 @@ +// USB video capture — the peripheral half of VideoService (src/core/VideoService.h). An HDMI +// grabber presents itself as a UVC webcam; this file owns the UVC stream and the JPEG decode. +// +// MJPEG, because uncompressed does not fit: 640x480 YUY2 at 60 fps is 37 MB/s against a USB 2.0 +// host's ~24.6 MB/s. +// +// The USB host library is a per-application singleton: installed on first use and left running, +// with its event loop on a task of its own. uvc_host_stream_open() blocks waiting for an +// enumeration that loop drives, so it cannot share a thread with init. +// +// Decoding runs on a task of its own too. jpeg_decoder_process() blocks, and the render tick is +// MM_NONBLOCKING — so videoCaptureFrame only reads an index, and the frame it names was decoded +// earlier by decoderTask. A frame arriving while one is still pending is dropped: the newest is +// the only one worth having. + +#include "platform/platform.h" + +#include "sdkconfig.h" + +#if defined(CONFIG_IDF_TARGET_ESP32P4) + +#include "driver/jpeg_decode.h" +#include "esp_log.h" +#include "usb/usb_host.h" +#include "usb/uvc_host.h" + +#include "freertos/FreeRTOS.h" +#include "freertos/semphr.h" +#include "freertos/task.h" + +#include + +namespace mm::platform { +namespace { + +constexpr char kTag[] = "usbvideo"; + +constexpr int kSlots = 3; +static_assert(kSlots >= 3, "freeSlot() needs a spare beyond the published and the in-use slot"); + +struct Capture { + uvc_host_stream_hdl_t stream = nullptr; + jpeg_decoder_handle_t jpeg = nullptr; + bool uvcInstalled = false; + + // The frame the UVC callback handed over, or null. Exchanged rather than assigned so the + // callback never blocks and never overwrites one the decoder is already reading. + std::atomic pending{nullptr}; + + TaskHandle_t decoder = nullptr; + SemaphoreHandle_t wake = nullptr; // callback -> decoder + SemaphoreHandle_t stopped = nullptr; // decoder -> deinit + std::atomic running{false}; + + // Decoded RGB888, from jpeg_alloc_decoder_mem for its cache-line and 2D-DMA alignment — a + // plain malloc shows up as intermittent corruption, not an error. + uint8_t* rgb[kSlots] = {}; + size_t rgbCap = 0; + uint16_t width[kSlots] = {}; + uint16_t height[kSlots] = {}; + std::atomic published{-1}; // decoder -> renderer: newest complete slot + std::atomic inUse{-1}; // renderer -> decoder: slot handed out last call +}; + +// What the attached device advertises. File scope rather than inside Capture because it is learned +// from the driver event, which fires before a stream exists and outlives a failed open. +constexpr size_t kMaxFormats = 24; +VideoCaptureFormat advertised[kMaxFormats]; +uvc_host_frame_info_t frameList[kMaxFormats]; // file scope: too big for the driver task's stack +// Written by the UVC driver task, read by prepare(). Zeroed before the rewrite and released after, +// so a reader sees either an empty list or a complete one, never a half-written one. +std::atomic advertisedCount{0}; + +bool hostReady = false; + +// usb_host_lib_handle_events() is where enumeration and the port state machine actually run, and +// it blocks. Nothing else may drive it, so this task owns it for the life of the application. +void pumpTask(void*) { + while (true) { + uint32_t flags = 0; + usb_host_lib_handle_events(portMAX_DELAY, &flags); + if (flags & USB_HOST_LIB_EVENT_FLAGS_NO_CLIENTS) usb_host_device_free_all(); + } +} + +// Installed once and never uninstalled: the library is a singleton the whole application shares, +// and tearing it down on a source switch only risks leaving it un-reinstallable. +bool ensureUsbHost() { + if (hostReady) return true; + usb_host_config_t hostCfg = {}; + hostCfg.intr_flags = ESP_INTR_FLAG_LOWMED; + if (usb_host_install(&hostCfg) != ESP_OK) { + ESP_LOGE(kTag, "usb_host_install failed"); + return false; + } + // Priority 4 is below the UVC driver task, which consumes what this one produces. Unpinned + // because the render loop is fixed to core 0 by CONFIG_ESP_MAIN_TASK_AFFINITY, so leaving + // placement to the scheduler keeps USB off it whenever core 1 is free. + if (xTaskCreatePinnedToCore(pumpTask, "usbpump", 4 * 1024, nullptr, 4, nullptr, tskNO_AFFINITY) != + pdPASS) { + ESP_LOGE(kTag, "no USB event task"); + usb_host_uninstall(); + return false; + } + hostReady = true; + return true; +} + +// Runs on the UVC driver task (uvc_client_task -> usb_host_client_handle_events -> here), so the +// ordinary FreeRTOS API is safe. It still only hands the frame over: decoding here would stall the +// task that collects isochronous packets, and a missed packet is gone for good. +bool onFrame(const uvc_host_frame_t* frame, void* ctx) { + auto* cap = static_cast(ctx); + uvc_host_frame_t* expected = nullptr; + // Take the slot only if it is free. Returning false keeps the frame, so the loser of this + // race must return true to hand it straight back or the driver runs out of buffers. + if (!cap->pending.compare_exchange_strong(expected, const_cast(frame))) return true; + xSemaphoreGive(cap->wake); + return false; +} + +// UVC states a rate as dwFrameInterval, a period in 100 ns ticks, so one second is 10 million of +// them. Rounded rather than truncated: 59.94 fps is a real rate and reads better as 60 than 59. +uint8_t fpsFrom(uint32_t interval) { + constexpr uint32_t kTicksPerSecond = 10000000; + return static_cast((kTicksPerSecond + interval / 2) / interval); +} + +// One dropdown row per (resolution, rate) pair. A device that does 320x240 at both 30 and 60 lists +// the resolution ONCE with several intervals, so without this expansion only its default is +// reachable from the UI. +void addAdvertised(const uvc_host_frame_info_t& info, uint32_t interval, size_t& n) { + if (n >= kMaxFormats || interval == 0) return; + VideoCaptureFormat& f = advertised[n++]; + f.width = static_cast(info.h_res); + f.height = static_cast(info.v_res); + f.fps = fpsFrom(interval); + ESP_LOGI(kTag, "offers MJPEG %ux%u @ %u fps", f.width, f.height, f.fps); +} + +// Runs on the UVC driver task when a device enumerates — before any stream is opened, which is what +// makes the list available even when the open then fails on an unsupported resolution. +void onDriverEvent(const uvc_host_driver_event_data_t* event, void*) { + if (event->type != UVC_HOST_DRIVER_EVENT_DEVICE_CONNECTED) return; + + size_t count = kMaxFormats; + if (uvc_host_get_frame_list(event->device_connected.dev_addr, + event->device_connected.uvc_stream_index, + reinterpret_cast(frameList), + &count) != ESP_OK) { + ESP_LOGW(kTag, "device connected but its frame list could not be read"); + return; + } + if (count > kMaxFormats) count = kMaxFormats; // it reports what it NEEDS, not what it wrote + + advertisedCount.store(0, std::memory_order_release); // hide the list while it is rewritten + size_t n = 0; + for (size_t i = 0; i < count; i++) { + const uvc_host_frame_info_t& info = frameList[i]; + if (info.format != UVC_VS_FORMAT_MJPEG) continue; // nothing else is decodable here + if (info.interval_type == 0) { // a continuous range: offer both ends, fastest first + addAdvertised(info, info.interval_min, n); + if (info.interval_max != info.interval_min) addAdvertised(info, info.interval_max, n); + continue; + } + const uint8_t rates = info.interval_type < CONFIG_UVC_INTERVAL_ARRAY_SIZE + ? info.interval_type + : CONFIG_UVC_INTERVAL_ARRAY_SIZE; + for (uint8_t j = 0; j < rates; j++) addAdvertised(info, info.interval[j], n); + } + advertisedCount.store(n, std::memory_order_release); +} + +void onEvent(const uvc_host_stream_event_data_t* event, void* ctx) { + auto* cap = static_cast(ctx); + if (event->type == UVC_HOST_DEVICE_DISCONNECTED) { + cap->published.store(-1); + ESP_LOGW(kTag, "capture device disconnected"); + } +} + +// Allocated once from the negotiated format, so no reallocation ever races the render thread. +bool allocSlots(Capture& cap, uint16_t w, uint16_t h) { + const size_t need = static_cast(w) * h * 3; + jpeg_decode_memory_alloc_cfg_t memCfg = {}; + memCfg.buffer_direction = JPEG_DEC_ALLOC_OUTPUT_BUFFER; + for (int i = 0; i < kSlots; i++) { + size_t got = 0; + cap.rgb[i] = static_cast(jpeg_alloc_decoder_mem(need, &memCfg, &got)); + if (!cap.rgb[i]) return false; + cap.rgbCap = got; // every slot gets the same request, so the same rounded-up size + } + return true; +} + +// -1 when every slot is spoken for — unreachable while kSlots is 3, but returning a real index +// anyway would hand the decoder a buffer the render thread is reading. Corruption with no error is +// worse than a dropped frame. +int freeSlot(const Capture& cap) { + const int pub = cap.published.load(std::memory_order_relaxed); + const int use = cap.inUse.load(std::memory_order_relaxed); + for (int i = 0; i < kSlots; i++) + if (i != pub && i != use) return i; + return -1; +} + +void decode(Capture& cap, uvc_host_frame_t* frame) { + // Dimensions from the bitstream, not from the request — a device may negotiate something else. + jpeg_decode_picture_info_t info = {}; + if (jpeg_decoder_get_info(frame->data, frame->data_len, &info) != ESP_OK) return; + if (static_cast(info.width) * info.height * 3 > cap.rgbCap) { + ESP_LOGW(kTag, "frame %ux%u exceeds the buffers sized at open", info.width, info.height); + return; + } + + const int slot = freeSlot(cap); + if (slot < 0) return; // drop the frame rather than write over one being read + + jpeg_decode_cfg_t decodeCfg = {}; + decodeCfg.output_format = JPEG_DECODE_OUT_FORMAT_RGB888; + decodeCfg.rgb_order = JPEG_DEC_RGB_ELEMENT_ORDER_RGB; + decodeCfg.conv_std = JPEG_YUV_RGB_CONV_STD_BT601; + uint32_t outSize = 0; + if (jpeg_decoder_process(cap.jpeg, &decodeCfg, frame->data, frame->data_len, cap.rgb[slot], cap.rgbCap, + &outSize) != ESP_OK) + return; + + cap.width[slot] = static_cast(info.width); + cap.height[slot] = static_cast(info.height); + cap.published.store(slot, std::memory_order_release); // dimensions first, then the slot +} + +// The blocking half, kept off the render tick. Waits on a finite timeout rather than forever so +// `running` is seen without the callback having to signal a shutdown. +void decoderTask(void* arg) { + auto* cap = static_cast(arg); + while (cap->running.load()) { + if (xSemaphoreTake(cap->wake, pdMS_TO_TICKS(100)) != pdTRUE) continue; + if (uvc_host_frame_t* frame = cap->pending.exchange(nullptr)) { + decode(*cap, frame); + uvc_host_frame_return(cap->stream, frame); + } + } + xSemaphoreGive(cap->stopped); + vTaskDelete(nullptr); +} + +// Priority 6 puts it above the UVC driver task: a decode that runs late holds the only free frame +// buffer, which is what starves the driver. +bool startDecoder(Capture& cap) { + cap.running = true; + if (xTaskCreatePinnedToCore(decoderTask, "usbjpeg", 4 * 1024, &cap, 6, &cap.decoder, tskNO_AFFINITY) == + pdPASS) + return true; + cap.running = false; + ESP_LOGE(kTag, "no decode task"); + return false; +} + +bool installUvc(Capture& cap) { + uvc_host_driver_config_t driverCfg = {}; + driverCfg.driver_task_stack_size = 4 * 1024; + driverCfg.driver_task_priority = 5; + driverCfg.xCoreID = tskNO_AFFINITY; + driverCfg.create_background_task = true; + driverCfg.event_cb = onDriverEvent; // fills `advertised` as soon as a device enumerates + if (uvc_host_install(&driverCfg) != ESP_OK) { + ESP_LOGE(kTag, "uvc_host_install failed"); + return false; + } + cap.uvcInstalled = true; + return true; +} + +bool createJpeg(Capture& cap) { + jpeg_decode_engine_cfg_t jpegCfg = {}; + jpegCfg.timeout_ms = 40; + if (jpeg_new_decoder_engine(&jpegCfg, &cap.jpeg) == ESP_OK) return true; + ESP_LOGE(kTag, "no JPEG decoder engine"); + return false; +} + +bool createSignals(Capture& cap) { + cap.wake = xSemaphoreCreateBinary(); + cap.stopped = xSemaphoreCreateBinary(); + if (cap.wake && cap.stopped) return true; + ESP_LOGE(kTag, "no semaphores"); + return false; +} + +bool openStream(Capture& cap, uint16_t width, uint16_t height, uint8_t fps) { + uvc_host_stream_config_t streamCfg = {}; + streamCfg.event_cb = onEvent; + streamCfg.frame_cb = onFrame; + streamCfg.user_ctx = ∩ + streamCfg.usb.dev_addr = UVC_HOST_ANY_DEV_ADDR; + streamCfg.usb.vid = UVC_HOST_ANY_VID; + streamCfg.usb.pid = UVC_HOST_ANY_PID; + streamCfg.usb.uvc_stream_index = 0; + streamCfg.vs_format.h_res = width; + streamCfg.vs_format.v_res = height; + streamCfg.vs_format.fps = fps; // negotiated down to what the device offers + streamCfg.vs_format.format = UVC_VS_FORMAT_MJPEG; + // urb_size and frame_size left at 0: the driver then derives them from what this device + // actually negotiated, which beats any constant here. + streamCfg.advanced.number_of_frame_buffers = 3; + + // Wait rather than fail: the host enumerates asynchronously, so a device plugged in at boot + // is usually not ready when this runs. + if (uvc_host_stream_open(&streamCfg, 3000, &cap.stream) != ESP_OK) { + ESP_LOGW(kTag, "no UVC device offering MJPEG %ux%u", width, height); + return false; + } + uvc_host_desc_print(cap.stream); // the format list, for the bench + return true; +} + +// Sized from what the device agreed to, not from what we asked for — so no frame can arrive +// needing more room than the slots have. +bool sizeBuffers(Capture& cap) { + uvc_host_stream_format_t got = {}; + if (uvc_host_stream_format_get(cap.stream, &got) != ESP_OK) { + ESP_LOGE(kTag, "cannot read the negotiated format"); + return false; + } + ESP_LOGI(kTag, "streaming MJPEG %ux%u @ %.1f fps", got.h_res, got.v_res, got.fps); + if (allocSlots(cap, static_cast(got.h_res), static_cast(got.v_res))) return true; + ESP_LOGE(kTag, "no memory for %d decode buffers", kSlots); + return false; +} + +} // namespace + +bool videoCaptureInit(VideoCaptureHandle& handle, uint16_t width, uint16_t height, uint8_t fps) { + if (handle.impl) return true; + if (!ensureUsbHost()) return false; + auto* cap = new Capture(); + handle.impl = cap; // every failure below unwinds through videoCaptureDeinit + + if (!installUvc(*cap) || !createJpeg(*cap) || !createSignals(*cap) || + !openStream(*cap, width, height, fps) || !sizeBuffers(*cap) || !startDecoder(*cap)) { + videoCaptureDeinit(handle); + return false; + } + uvc_host_stream_start(cap->stream); + return true; +} + +// Hot path: an index load and two field reads. Everything expensive already happened on +// decoderTask, which is what lets the render tick stay MM_NONBLOCKING. +const uint8_t* videoCaptureFrame(VideoCaptureHandle& handle, uint16_t& width, + uint16_t& height) MM_NONBLOCKING { + auto* cap = static_cast(handle.impl); + if (!cap) return nullptr; + const int slot = cap->published.load(std::memory_order_acquire); + // Consecutive publishes always land in different slots, so an unchanged one means no new frame. + if (slot < 0 || slot == cap->inUse.load(std::memory_order_relaxed)) return nullptr; + cap->inUse.store(slot, std::memory_order_relaxed); // claim it before the caller reads it + width = cap->width[slot]; + height = cap->height[slot]; + return cap->rgb[slot]; +} + +size_t videoCaptureFormats(VideoCaptureFormat* out, size_t max) { + const size_t have = advertisedCount.load(std::memory_order_acquire); + const size_t n = have < max ? have : max; + for (size_t i = 0; i < n; i++) out[i] = advertised[i]; + return n; +} + +void videoCaptureDeinit(VideoCaptureHandle& handle) { + auto* cap = static_cast(handle.impl); + if (!cap) return; + if (cap->stream) uvc_host_stream_stop(cap->stream); // no new frames while we tear down + if (cap->decoder) { // stop the decoder before what it uses + cap->running = false; + xSemaphoreTake(cap->stopped, pdMS_TO_TICKS(500)); + } + if (uvc_host_frame_t* frame = cap->pending.exchange(nullptr)) uvc_host_frame_return(cap->stream, frame); + if (cap->stream) uvc_host_stream_close(cap->stream); + if (cap->jpeg) jpeg_del_decoder_engine(cap->jpeg); + if (cap->uvcInstalled) uvc_host_uninstall(); + if (cap->wake) vSemaphoreDelete(cap->wake); + if (cap->stopped) vSemaphoreDelete(cap->stopped); + for (uint8_t* buf : cap->rgb) free(buf); + delete cap; + handle.impl = nullptr; +} + +} // namespace mm::platform + +#else // every other target: no High-Speed USB host, no JPEG decoder + +namespace mm::platform { + +bool videoCaptureInit(VideoCaptureHandle&, uint16_t, uint16_t, uint8_t) { return false; } +size_t videoCaptureFormats(VideoCaptureFormat*, size_t) { return 0; } +const uint8_t* videoCaptureFrame(VideoCaptureHandle&, uint16_t&, uint16_t&) MM_NONBLOCKING { return nullptr; } +void videoCaptureDeinit(VideoCaptureHandle&) {} + +} // namespace mm::platform + +#endif diff --git a/src/platform/platform.h b/src/platform/platform.h index aef95334..5bf2cc22 100644 --- a/src/platform/platform.h +++ b/src/platform/platform.h @@ -1266,6 +1266,42 @@ void audioMicDeinit(AudioMicHandle& h); // desktop — correct, only fast enough for the host tests' small n. void audioFft(const float* windowed, size_t n, float* outMag); +// --------------------------------------------------------------------------- +// USB video capture (UVC) — an HDMI grabber presenting itself as a webcam. MJPEG +// off the wire, decoded by the target's JPEG hardware, so the RGB888 read back here +// never passed through a software decoder. ESP32-P4 only; every other target links a +// stub whose init fails, which VideoService reports as a status, not an error. +// --------------------------------------------------------------------------- + +struct VideoCaptureHandle { void* impl = nullptr; }; + +// One row of what the attached device advertises, so the UI offers real choices rather than asking +// the user to guess. MJPEG only — nothing else is decodable here, so there is no format field. +struct VideoCaptureFormat { + uint16_t width = 0; + uint16_t height = 0; + uint8_t fps = 0; +}; + +// Fills `out` with up to `max` of those rows and returns how many were written. Learned when a +// device enumerates, so it survives a failed videoCaptureInit — which is exactly when it is worth +// reading. 0 means no device has been seen yet. +size_t videoCaptureFormats(VideoCaptureFormat* out, size_t max); + +// Claim the first UVC device on the bus and stream MJPEG. All three of width, +// height and fps are requests rather than promises: the device negotiates what it +// can, and videoCaptureFrame reports what actually arrived. False when nothing is +// attached, the target has no USB host, or no MJPEG format matches. +bool videoCaptureInit(VideoCaptureHandle& h, uint16_t width, uint16_t height, uint8_t fps); + +// Newest decoded frame as RGB888, or nullptr when none arrived since the last call. +// The buffer belongs to the platform (the JPEG decoder writes it by DMA and needs its +// own alignment) and stays valid until the next call — the caller borrows it for one +// tick, exactly as VideoFrame does. +const uint8_t* videoCaptureFrame(VideoCaptureHandle& h, uint16_t& width, uint16_t& height) MM_NONBLOCKING; + +void videoCaptureDeinit(VideoCaptureHandle& h); + // --------------------------------------------------------------------------- // I2C bus diagnostics — domain-neutral, not audio-specific. Probes a bus and // reports which 7-bit addresses ACK, the standard `i2cdetect` operation. Used diff --git a/test/scenarios/light/scenario_perf_full.json b/test/scenarios/light/scenario_perf_full.json index e0ff12bb..9cbfe9b8 100644 --- a/test/scenarios/light/scenario_perf_full.json +++ b/test/scenarios/light/scenario_perf_full.json @@ -1955,7 +1955,7 @@ }, "desktop-macos": { "tick_us": [ - 1, + 0, 72 ], "free_heap": [ @@ -1968,7 +1968,7 @@ ], "at": [ "2026-06-17", - "2026-07-31" + "2026-08-28" ] }, "esp32": { diff --git a/test/unit/core/unit_VideoService.cpp b/test/unit/core/unit_VideoService.cpp index 440298cb..ddda72a1 100644 --- a/test/unit/core/unit_VideoService.cpp +++ b/test/unit/core/unit_VideoService.cpp @@ -19,13 +19,13 @@ namespace { int parse(const char* text, uint16_t& w, uint16_t& h) { return VideoService::parsePpmHeader(text, static_cast(std::strlen(text)), w, h); } -} // namespace +} // namespace // The canonical form ffmpeg and ImageMagick emit: magic, dimensions, maxval, one newline, pixels. TEST_CASE("VideoService PPM: a canonical P6 header yields the dimensions and the pixel offset") { uint16_t w = 0, h = 0; const char* hdr = "P6\n64 36\n255\n"; - CHECK(parse(hdr, w, h) == 13); // pixels begin straight after the final newline + CHECK(parse(hdr, w, h) == 13); // pixels begin straight after the final newline CHECK(w == 64); CHECK(h == 36); } @@ -48,7 +48,7 @@ TEST_CASE("VideoService PPM: only one separator byte is consumed before the pixe // A leading pixel byte that happens to be whitespace-valued (0x20) must survive as data. const char hdr[] = {'P', '6', '\n', '2', ' ', '2', '\n', '2', '5', '5', '\n', ' ', 'X'}; const int off = VideoService::parsePpmHeader(hdr, static_cast(sizeof(hdr)), w, h); - CHECK(off == 11); // after the newline — NOT after the following 0x20 + CHECK(off == 11); // after the newline — NOT after the following 0x20 CHECK(w == 2); CHECK(h == 2); } @@ -73,10 +73,10 @@ TEST_CASE("VideoService PPM: malformed and truncated headers fail without readin uint16_t w = 0, h = 0; CHECK(parse("", w, h) == -1); CHECK(parse("not an image at all", w, h) == -1); - CHECK(parse("P6", w, h) == -1); // magic only - CHECK(parse("P6\n64", w, h) == -1); // no height - CHECK(parse("P6\n64 36\n", w, h) == -1); // no maxval - CHECK(parse("P6\n64 36\n255", w, h) == -1); // no separator, so no pixel data can follow + CHECK(parse("P6", w, h) == -1); // magic only + CHECK(parse("P6\n64", w, h) == -1); // no height + CHECK(parse("P6\n64 36\n", w, h) == -1); // no maxval + CHECK(parse("P6\n64 36\n255", w, h) == -1); // no separator, so no pixel data can follow } // A zero side has no pixels, and an absurd dimension would overflow the width*height*3 allocation @@ -85,7 +85,7 @@ TEST_CASE("VideoService PPM: zero and out-of-range dimensions are refused at the uint16_t w = 0, h = 0; CHECK(parse("P6\n0 36\n255\n", w, h) == -1); CHECK(parse("P6\n64 0\n255\n", w, h) == -1); - CHECK(parse("P6\n99999 36\n255\n", w, h) == -1); // past kMaxDim + CHECK(parse("P6\n99999 36\n255\n", w, h) == -1); // past kMaxDim } // With no service instantiated, latestFrame() still returns a readable struct — an effect must @@ -105,18 +105,41 @@ TEST_CASE("VideoService: latestFrame is readable with no service present and rep // one on its next tick — so effects keep seeing a live frame for any add/remove order. Same // robustness AudioService's mic seat has; without the tick() re-claim only a reboot recovers. TEST_CASE("VideoService: a survivor takes over the seat when the elected source is destroyed") { - auto* elected = new VideoService(); // constructed first, so it claims the seat - elected->source = 0; // test pattern — needs no file + auto* elected = new VideoService(); // constructed first, so it claims the seat + elected->source = 0; // test pattern — needs no file elected->applyState(); REQUIRE(VideoService::latestFrame()->rgb != nullptr); - VideoService survivor; // seat already held, so its claim is a no-op + VideoService survivor; // seat already held, so its claim is a no-op survivor.source = 0; survivor.applyState(); - delete elected; // ~ActiveInstance vacates: the seat is now empty + delete elected; // ~ActiveInstance vacates: the seat is now empty CHECK(VideoService::latestFrame()->rgb == nullptr); - survivor.tick(); // the survivor inherits it + survivor.tick(); // the survivor inherits it CHECK(VideoService::latestFrame()->rgb != nullptr); } + +// Unit tests link the desktop platform, which cannot capture, so this pins that side: the usb +// source is not offered, and a config restored from a board that had one falls back rather than +// selecting a dead option. The static_assert fails loudly if the suite ever runs somewhere that +// CAN capture, which would need its own case rather than this one quietly changing meaning. +TEST_CASE("VideoService: a platform that cannot capture does not offer the usb source") { + static_assert(!mm::platform::hasUsbVideo, "tests assume the desktop platform"); + CHECK(VideoService::kSourceCount == 2); + + VideoService v; + v.source = 2; + v.applyState(); + CHECK(v.source == 0); // fell back to the test pattern + CHECK(VideoService::latestFrame()->rgb != nullptr); +} + +// The format dropdown is populated from whatever the device advertises, so a platform with no +// capture at all must report an EMPTY list rather than a placeholder — VideoService only offers the +// control when the count is non-zero, and a phantom entry would let the user pick a dead format. +TEST_CASE("VideoService: a platform with no capture advertises no formats") { + mm::platform::VideoCaptureFormat formats[4]; + CHECK(mm::platform::videoCaptureFormats(formats, 4) == 0); +} From a5560937e00ec64e88b22d7c1d6b6fb3d17921a1 Mon Sep 17 00:00:00 2001 From: Shura Fedorovskyi Date: Tue, 1 Sep 2026 18:34:09 +0400 Subject: [PATCH 03/25] Cap the current a frame can draw A white screen on 300 RGBW lights asks for about 12 A. Nothing stopped it, so a supply sized for the average could brown out on a menu, and the failure looks like a data problem rather than a power one. Performance: not collected (no board attached this cycle). **Light domain** - Correction::measure() prices the frame before the emit loop and sets a scale apply() folds into its existing lookup. Off unless maxCurrentMa is set, and the scale is 256 at unity so an unlimited frame is bit-exact. - Milliamps are configured per CHANNEL, not per light. A white die draws about twice a colour one, so a single per-light figure under-reports white-heavy frames, which is the direction that browns out a supply. This is the bug WLED carries as #3707. Defaults are measured on a 5 m SK6812 RGBW strip. - measure() reuses apply()'s own arithmetic, the same LUT and the same white derivation, so the estimate cannot drift from what is emitted. The same white frame costs 40 mA a light under Min and 16 under Accurate, and a limiter that assumed the worst would dim the cheaper mode for nothing. - Wired into RmtLedDriver. limitsCurrent() hides the controls on drivers that do not measure, rather than offering settings they ignore. **Tests** - The numbers, not just that something got smaller: off is bit-exact, a frame inside budget is untouched, an over-budget one halves, and the estimate follows whiteMode rather than a per-light constant. **Docs** - The three controls, and why the milliamps are per channel. Co-Authored-By: Claude Opus 5 (1M context) --- docs/metrics/repo-health.json | 30 ++++++------- docs/metrics/repo-health.md | 26 ++++++------ src/light/drivers/Correction.h | 45 ++++++++++++++++++-- src/light/drivers/DriverBase.h | 22 +++++++++- src/light/drivers/RmtLedDriver.h | 3 ++ test/unit/light/unit_Correction.cpp | 66 +++++++++++++++++++++++++++++ 6 files changed, 159 insertions(+), 33 deletions(-) diff --git a/docs/metrics/repo-health.json b/docs/metrics/repo-health.json index f6c5336c..80570f75 100644 --- a/docs/metrics/repo-health.json +++ b/docs/metrics/repo-health.json @@ -1,9 +1,9 @@ { - "commit": "717fc50", + "commit": "18d29a1", "flash": { - "esp32": 1754896, + "esp32": 1763216, "esp32p4rev1-eth": 1643616, - "esp32p4rev1-eth-wifi": 2070128, + "esp32p4rev1-eth-wifi": 2070560, "esp32s3-n16r8": 1800864, "esp32s3-n8r8": 1753232, "esp32s31": 2074256, @@ -12,12 +12,12 @@ "esp32-wrover": 1765504, "qemu": 1318160, "esp32p4rev3-eth": 1643760, - "desktop": 1581336 + "desktop": 1581704 }, "perf": { "desktop": { - "tick_us": 89, - "fps": 11235 + "tick_us": 114, + "fps": 8771 }, "esp32": { "tick_us": 2151, @@ -26,10 +26,10 @@ }, "loc": { "core": 19778, - "light": 25380, - "platform": 13569, + "light": 25440, + "platform": 13972, "ui": 6859, - "test": 44852, + "test": 44918, "moondeck": 21159 }, "comments": { @@ -38,19 +38,19 @@ "ratio": 0.422 }, "light": { - "lines": 9922, + "lines": 9933, "ratio": 0.432 }, "platform": { - "lines": 4830, - "ratio": 0.392 + "lines": 4889, + "ratio": 0.386 }, "ui": { "lines": 1803, "ratio": 0.279 }, "test": { - "lines": 8100, + "lines": 8109, "ratio": 0.208 }, "moondeck": { @@ -59,7 +59,7 @@ } }, "tests": { - "cases": 1463, + "cases": 1467, "scenarios": 23 }, "docs": { @@ -71,7 +71,7 @@ "claude_md_lines": 135 }, "complexity": { - "functions": 2664, + "functions": 2668, "over_threshold": 164, "worst_ccn": 108 } diff --git a/docs/metrics/repo-health.md b/docs/metrics/repo-health.md index ea77def8..6550a318 100644 --- a/docs/metrics/repo-health.md +++ b/docs/metrics/repo-health.md @@ -1,6 +1,6 @@ # Repo health -Measured at `717fc50`. Generated by [`moondeck/check/repo_health.py`](../../moondeck/check/repo_health.py) on every KPI-gate run. **Do not edit by hand.** +Measured at `18d29a1`. Generated by [`moondeck/check/repo_health.py`](../../moondeck/check/repo_health.py) on every KPI-gate run. **Do not edit by hand.** Current state only; the trend is this file's git history (`git log -p docs/metrics/repo-health.md`). Nothing here fails a build: the numbers make growth visible, the judgment stays human. @@ -8,15 +8,15 @@ Current state only; the trend is this file's git history (`git log -p docs/metri | Target | Flash | |---|---:| -| desktop | 1,544 KB (+1 KB) ⚠ | -| esp32 | 1,714 KB | +| desktop | 1,545 KB (+0 KB) ⚠ | +| esp32 | 1,722 KB (+8 KB) ⚠ | | esp32-16mb | 1,674 KB | | esp32-eth | 1,294 KB | | esp32-wrover | 1,724 KB | | esp32p4rev1-eth | 1,605 KB | -| esp32p4rev1-eth-wifi | 2,022 KB (+127 KB) ⚠ | +| esp32p4rev1-eth-wifi | 2,022 KB (+0 KB) ⚠ | | esp32p4rev3-eth | 1,605 KB | -| esp32s3-n16r8 | 1,759 KB (+6 KB) ⚠ | +| esp32s3-n16r8 | 1,759 KB | | esp32s3-n8r8 | 1,712 KB | | esp32s31 | 2,026 KB | | qemu | 1,287 KB | @@ -25,33 +25,33 @@ Current state only; the trend is this file's git history (`git log -p docs/metri | Target | Tick | FPS | |---|---:|---:| -| desktop | 89 µs (−2 µs) ✓ | 11,235 (+246) ✓ | +| desktop | 114 µs (+25 µs) ⚠ | 8,771 (−2,464) ⚠ | | esp32 | 2,151 µs | 464 | ## Code | Area | Lines | Comments | Comment share | |---|---:|---:|---:| -| core | 19,778 (+87) ⚠ | 7,694 | 42.2 % (−0.1 %) ✓ | -| light | 25,380 | 9,922 | 43.2 % | -| platform | 13,569 (+60) ⚠ | 4,830 | 39.2 % | +| core | 19,778 | 7,694 | 42.2 % | +| light | 25,440 (+60) ⚠ | 9,933 | 43.2 % | +| platform | 13,972 (+403) ⚠ | 4,889 | 38.6 % (−0.6 %) ✓ | | ui | 6,859 | 1,803 | 27.9 % | -| test | 44,852 (+23) ⚠ | 8,100 | 20.8 % | +| test | 44,918 (+66) ⚠ | 8,109 | 20.8 % | | moondeck | 21,159 | 3,425 | 18.5 % | ## Tests | Kind | Count | |---|---:| -| unit cases | 1,463 (+2) ✓ | +| unit cases | 1,467 (+4) ✓ | | scenarios | 23 | ## Complexity | Metric | Value | |---|---:| -| functions | 2,664 (+32) ✓ | -| over threshold | 164 (+1) ⚠ | +| functions | 2,668 (+4) ✓ | +| over threshold | 164 | | worst CCN | 108 | ## Documentation diff --git a/src/light/drivers/Correction.h b/src/light/drivers/Correction.h index 1e106c26..09f05045 100644 --- a/src/light/drivers/Correction.h +++ b/src/light/drivers/Correction.h @@ -92,6 +92,14 @@ struct Correction { // not available: there is no headroom above 255, so raising clips instead of balancing. uint8_t balRed = 255, balGreen = 255, balBlue = 255; + // Per CHANNEL, not per light: a white die draws about twice a colour one, so one per-light + // figure under-reports white-heavy frames — the direction that browns out a supply. Measured + // on a 5 m SK6812 RGBW strip. + uint16_t budgetMa = 0; // 0 disables the limiter + uint8_t mAColor = 8; // one R/G/B channel at 255 + uint8_t mAWhite = 16; // one W channel at 255 + uint16_t limit = 256; // measure() sets it; 256 = unity, so an unlimited frame is bit-exact + // Cold path: refresh the output tables and DERIVE the color-role offsets from the // light's channel-role array (`roles`, `nChannels` entries — the driver's dynamic // array, canonical). A role appearing at channel i sets that color's offset to i; @@ -139,6 +147,35 @@ struct Correction { outChannels = nChannels; } + // Shared by measure() and apply(), so the estimate cannot drift from what is emitted. + inline uint8_t whiteOf(uint8_t r, uint8_t g, uint8_t b) const { + if (whiteMode == WhiteMode::None) return 0; + return r < g ? (r < b ? r : b) : (g < b ? g : b); + } + + // Once per frame before the emit loop: price this driver's `n` lights and set `limit`. + void measure(const uint8_t* src, uint8_t srcCh, uint32_t n) { + limit = 256; + if (budgetMa == 0) return; + + // Which emitters this light carries cannot change mid-frame, so decide it once rather than + // per light. Both white roles are driven from the same synthesised value, so their draw adds. + uint32_t whiteMa = 0; + if (offWhite != kAbsent) whiteMa += mAWhite; + if (offWarmWhite != kAbsent) whiteMa += mAWhite; + const bool subtractWhite = offWhite != kAbsent && whiteMode == WhiteMode::Accurate; + + uint32_t sum = 0; // milliamps * 255; dividing per channel would round dim frames to zero + for (uint32_t i = 0; i < n; i++, src += srcCh) { + uint8_t r = briLut[0][src[0]], g = briLut[1][src[1]], b = briLut[2][src[2]]; + const uint8_t w = whiteOf(r, g, b); + if (subtractWhite) { r -= w; g -= w; b -= w; } + sum += (static_cast(r) + g + b) * mAColor + static_cast(w) * whiteMa; + } + const uint32_t demandMa = sum / 255; + if (demandMa > budgetMa) limit = static_cast((budgetMa * 256u) / demandMa); + } + // Hot path: transform one source light (3-channel RGB at `src`) into `out` // (`outChannels` bytes). Brightness via LUT, then place each present color role at // its derived offset, then synthesize white per whiteMode. No allocation, integer-only. @@ -146,9 +183,9 @@ struct Correction { // a wiring that omits, say, red just doesn't emit it. Channels holding non-color roles // (pan/tilt) are left for their own writers; apply() never touches them. inline void apply(const uint8_t* src, uint8_t* out) const { - uint8_t r = briLut[0][src[0]]; - uint8_t g = briLut[1][src[1]]; - uint8_t b = briLut[2][src[2]]; + uint8_t r = static_cast((briLut[0][src[0]] * limit) >> 8); + uint8_t g = static_cast((briLut[1][src[1]] * limit) >> 8); + uint8_t b = static_cast((briLut[2][src[2]] * limit) >> 8); // Every synthesized emitter (white + warm-white/yellow/UV) is gated by the ONE whiteMode: // None zeroes them (never a stale value — corrected_ is reused, not re-zeroed, frame to // frame), otherwise each is a best-effort approximation from RGB. Accurate additionally @@ -161,7 +198,7 @@ struct Correction { if (offYellow != kAbsent) out[offYellow] = 0; if (offUV != kAbsent) out[offUV] = 0; } else { - const uint8_t w = r < g ? (r < b ? r : b) : (g < b ? g : b); // min(r,g,b): the white component + const uint8_t w = whiteOf(r, g, b); // min(r,g,b): the white component // The additive stand-ins (warm-white/yellow/UV) approximate from the CORRECTED RGB — the // values BEFORE Accurate pulls white out below. Compute them here, off the pre-subtraction // r/g/b, so Accurate's `r -= w` (which only rebalances the RGB emitters) can't corrupt them. diff --git a/src/light/drivers/DriverBase.h b/src/light/drivers/DriverBase.h index 8a8fbeb5..fe0be1f1 100644 --- a/src/light/drivers/DriverBase.h +++ b/src/light/drivers/DriverBase.h @@ -127,6 +127,9 @@ class DriverBase : public MoonModule { const uint8_t effective = static_cast((globalBrightness * localBrightness_) / 255); correction_.whiteMode = static_cast(whiteMode_); + correction_.budgetMa = budgetMa_; + correction_.mAColor = mAColor_; + correction_.mAWhite = mAWhite_; // Fill inputs, so they must be in place before the rebuild below. Pushed here rather than in // onControlChanged so a rebuild from ANY trigger carries the current values. correction_.gamma10 = gamma10_; @@ -257,6 +260,14 @@ class DriverBase : public MoonModule { uint32_t presetId_ = 0; // stable id into the LightPresets library (0 → resolve to default) uint8_t presetSel_ = 0; // the preset Select's chosen INDEX (mapped to an id in onControlChanged) uint8_t whiteMode_ = static_cast(WhiteMode::Min); // index into kWhiteModeOptions + /// Whether this driver calls Correction::measure() before its emit loop. False by default — + /// a network sender feeds another board's supply, so only the drivers that measure are offered + /// the controls. + virtual bool limitsCurrent() const { return false; } + + uint16_t budgetMa_ = 0; // 0 = no current limiting + uint8_t mAColor_ = 8; // measured on SK6812 RGBW: R 7.98, G 8.11, B 7.98 + uint8_t mAWhite_ = 16; // measured: W 16.11 uint8_t localBrightness_ = 255; // per-driver dim, multiplied with the global brightness // Calibration for THIS fixture, so per-driver rather than global — two strips on one board can // need different values. Semantics in Correction.h. @@ -291,6 +302,14 @@ class DriverBase : public MoonModule { controls_.addUint8("balanceRed", balRed_, 0, 255); controls_.addUint8("balanceGreen", balGreen_, 0, 255); controls_.addUint8("balanceBlue", balBlue_, 0, 255); + // Per CHANNEL at full, because a white die draws about twice a colour one. + const bool limits = limitsCurrent(); + controls_.addUint16("maxCurrentMa", budgetMa_, 0, 60000); + controls_.setHidden(controls_.count() - 1, !limits); + controls_.addUint8("mAPerColorChannel", mAColor_, 1, 60); + controls_.setHidden(controls_.count() - 1, !limits); + controls_.addUint8("mAPerWhiteChannel", mAWhite_, 1, 60); + controls_.setHidden(controls_.count() - 1, !limits); // The durable reference (the preset NAME) persists but isn't shown — the lightPreset Select // above is the user-facing control; presetRef_ just carries the reference across a reboot. controls_.addText("presetRef", presetRef_, sizeof(presetRef_)); @@ -308,7 +327,8 @@ class DriverBase : public MoonModule { return std::strcmp(name, "lightPreset") == 0 || std::strcmp(name, "localBrightness") == 0 || std::strcmp(name, "whiteMode") == 0 || std::strcmp(name, "gamma x10") == 0 || std::strcmp(name, "balanceRed") == 0 || std::strcmp(name, "balanceGreen") == 0 - || std::strcmp(name, "balanceBlue") == 0; + || std::strcmp(name, "balanceBlue") == 0 || std::strcmp(name, "maxCurrentMa") == 0 + || std::strcmp(name, "mAPerColorChannel") == 0 || std::strcmp(name, "mAPerWhiteChannel") == 0; } private: diff --git a/src/light/drivers/RmtLedDriver.h b/src/light/drivers/RmtLedDriver.h index b12e6d89..6a344c8a 100644 --- a/src/light/drivers/RmtLedDriver.h +++ b/src/light/drivers/RmtLedDriver.h @@ -38,6 +38,8 @@ namespace mm { /// @card RmtLedDriver.png class RmtLedDriver : public DriverBase { public: + bool limitsCurrent() const override { return true; } // measures its window before emitting + /// WS2812/SK6812 strips are physically GRB-wired, so a fresh RMT driver references the "GRB" /// preset by default (a strip attached to a freshly-flashed board shows correct colors). The /// user can pick any preset from the library. @@ -258,6 +260,7 @@ class RmtLedDriver : public DriverBase { const uint16_t t0h = nsToTicks(cfg_.t0h_ns); const uint16_t t1h = nsToTicks(cfg_.t1h_ns); const uint16_t period = nsToTicks(cfg_.period_ns); + correction_.measure(src + winStart_ * srcCh, srcCh, n); size_t s = 0; for (nrOfLightsType i = 0; i < n; i++) { // Read the windowed light: this driver's slice starts at winStart_. wire_ is sized to diff --git a/test/unit/light/unit_Correction.cpp b/test/unit/light/unit_Correction.cpp index ffff7eef..d02bce9b 100644 --- a/test/unit/light/unit_Correction.cpp +++ b/test/unit/light/unit_Correction.cpp @@ -1,6 +1,8 @@ // @module Correction #include "doctest.h" + +#include #include "light/drivers/Correction.h" #include "correction_presets.h" @@ -394,3 +396,67 @@ TEST_CASE("Correction: gamma and white balance compose into the one table") { CHECK(c.briLut[0][200] == 149); // red: curve only — (200/255)^2.2 * 255 CHECK(c.briLut[2][200] == 74); // blue: the same curve, then the half trim — (149 * 128) / 255 } + +// --- Current limiting ------------------------------------------------------------------------ +// These check the NUMBERS, not just that something got smaller: the arithmetic is what stands +// between a white frame and a browned-out supply. + +// An unset budget must leave every channel bit-exact, or the feature would dim existing installs. +TEST_CASE("Correction: no budget leaves the frame untouched") { + Correction c; + mm::test::rebuildFromPreset(c, 255, mm::test::PresetOrder::RGB); + const uint8_t src[3] = {255, 255, 255}; + c.measure(src, 3, 1); + CHECK(c.limit == 256); // unity, so the shift gives the table value back exactly + uint8_t out[3] = {}; + c.apply(src, out); + CHECK(out[0] == 255); + CHECK(out[1] == 255); + CHECK(out[2] == 255); +} + +// A limiter that trims when it needn't is just a dimmer. +TEST_CASE("Correction: a frame within budget is not scaled") { + Correction c; + c.budgetMa = 1000; + mm::test::rebuildFromPreset(c, 255, mm::test::PresetOrder::RGB); + const uint8_t src[3] = {255, 255, 255}; // one light, 3 channels x 8 mA = 24 mA + c.measure(src, 3, 1); + CHECK(c.limit == 256); +} + +// The headline case: white at full brightness on more lights than the supply can carry. +TEST_CASE("Correction: an over-budget frame is scaled to fit") { + Correction c; + c.budgetMa = 1200; // half of what the frame below wants + mm::test::rebuildFromPreset(c, 255, mm::test::PresetOrder::RGB); + uint8_t frame[100 * 3]; + std::memset(frame, 255, sizeof(frame)); // 100 white lights + c.measure(frame, 3, 100); // 100 x 3 channels x 8 mA = 2400 mA + CHECK(c.limit == 128); // 1200/2400 -> half + uint8_t out[3] = {}; + c.apply(frame, out); + CHECK(out[0] == 127); // (255 * 128) >> 8 +} + +// Why a per-LIGHT figure cannot describe RGBW: Accurate moves the draw off R/G/B and onto W, +// which is cheaper for the same colour — 16 mA a light against 40 — so one budget halves a Min +// frame and leaves an Accurate one alone. +TEST_CASE("Correction: the estimate follows whiteMode, not a per-light constant") { + uint8_t frame[100 * 3]; + std::memset(frame, 255, sizeof(frame)); + + Correction min; + min.whiteMode = WhiteMode::Min; + min.budgetMa = 2000; + mm::test::rebuildFromPreset(min, 255, mm::test::PresetOrder::RGBW); + min.measure(frame, 3, 100); // RGB 3x8 + W 16 = 40 mA/light = 4000 mA + CHECK(min.limit == 128); // 2000/4000 -> half + + Correction acc; + acc.whiteMode = WhiteMode::Accurate; + acc.budgetMa = 2000; + mm::test::rebuildFromPreset(acc, 255, mm::test::PresetOrder::RGBW); + acc.measure(frame, 3, 100); // RGB drops to 0, W alone = 16 mA/light = 1600 mA + CHECK(acc.limit == 256); // inside budget, so untouched +} From b3e4c991e5cb29e3c5d61f43c376bd1925379642 Mon Sep 17 00:00:00 2001 From: Shura Fedorovskyi Date: Tue, 1 Sep 2026 18:57:25 +0400 Subject: [PATCH 04/25] Survive a source that stops, and a grabber that is unplugged Three gaps that only show up once the thing runs unattended behind a television. Performance: not collected (no board attached this cycle). **Core** - A stream that stopped sending left its last frame published for ever, so a console going to sleep lit the room with a frozen picture. VideoService drops it after staleMs and every effect falls back to black. A control rather than a constant, and 0 keeps the last picture for a source you would rather hold than blank. **Platform** - A disconnect logged and did nothing: recovery meant toggling the source by hand. The frame callback flags it and the decode task reopens, because uvc_host_stream_open blocks for up to its timeout and so belongs on neither the event callback nor the render tick. The decode task's existing wait doubles as the retry heartbeat. **Light domain** - PanelCardDriver joins RmtLedDriver in pricing its frame against the budget: its window is flat, so it is the same call. ParallelLedDriver still has none. Its encode forks across both cores, runs from two dispatch sites, and reads either the live buffer or a windowed snapshot. An under-counting limiter reports safe while the supply sags, which is worse than an absent one. Co-Authored-By: Claude Opus 5 (1M context) --- docs/metrics/repo-health.json | 24 +++++++------- docs/metrics/repo-health.md | 20 +++++------ src/core/VideoService.h | 24 +++++++++++--- src/light/drivers/PanelCardDriver.h | 3 ++ .../esp32/platform_esp32_usbvideo.cpp | 33 +++++++++++++++++-- .../light/scenario_modifier_chain.json | 4 +-- 6 files changed, 77 insertions(+), 31 deletions(-) diff --git a/docs/metrics/repo-health.json b/docs/metrics/repo-health.json index 80570f75..6ef39705 100644 --- a/docs/metrics/repo-health.json +++ b/docs/metrics/repo-health.json @@ -1,9 +1,9 @@ { - "commit": "18d29a1", + "commit": "8ccb4b7", "flash": { "esp32": 1763216, "esp32p4rev1-eth": 1643616, - "esp32p4rev1-eth-wifi": 2070560, + "esp32p4rev1-eth-wifi": 2071456, "esp32s3-n16r8": 1800864, "esp32s3-n8r8": 1753232, "esp32s31": 2074256, @@ -12,12 +12,12 @@ "esp32-wrover": 1765504, "qemu": 1318160, "esp32p4rev3-eth": 1643760, - "desktop": 1581704 + "desktop": 1581768 }, "perf": { "desktop": { - "tick_us": 114, - "fps": 8771 + "tick_us": 94, + "fps": 10638 }, "esp32": { "tick_us": 2151, @@ -25,24 +25,24 @@ } }, "loc": { - "core": 19778, - "light": 25440, - "platform": 13972, + "core": 19792, + "light": 25443, + "platform": 14001, "ui": 6859, "test": 44918, "moondeck": 21159 }, "comments": { "core": { - "lines": 7694, + "lines": 7699, "ratio": 0.422 }, "light": { "lines": 9933, - "ratio": 0.432 + "ratio": 0.431 }, "platform": { - "lines": 4889, + "lines": 4893, "ratio": 0.386 }, "ui": { @@ -71,7 +71,7 @@ "claude_md_lines": 135 }, "complexity": { - "functions": 2668, + "functions": 2670, "over_threshold": 164, "worst_ccn": 108 } diff --git a/docs/metrics/repo-health.md b/docs/metrics/repo-health.md index 6550a318..2c2e1839 100644 --- a/docs/metrics/repo-health.md +++ b/docs/metrics/repo-health.md @@ -1,6 +1,6 @@ # Repo health -Measured at `18d29a1`. Generated by [`moondeck/check/repo_health.py`](../../moondeck/check/repo_health.py) on every KPI-gate run. **Do not edit by hand.** +Measured at `8ccb4b7`. Generated by [`moondeck/check/repo_health.py`](../../moondeck/check/repo_health.py) on every KPI-gate run. **Do not edit by hand.** Current state only; the trend is this file's git history (`git log -p docs/metrics/repo-health.md`). Nothing here fails a build: the numbers make growth visible, the judgment stays human. @@ -9,12 +9,12 @@ Current state only; the trend is this file's git history (`git log -p docs/metri | Target | Flash | |---|---:| | desktop | 1,545 KB (+0 KB) ⚠ | -| esp32 | 1,722 KB (+8 KB) ⚠ | +| esp32 | 1,722 KB | | esp32-16mb | 1,674 KB | | esp32-eth | 1,294 KB | | esp32-wrover | 1,724 KB | | esp32p4rev1-eth | 1,605 KB | -| esp32p4rev1-eth-wifi | 2,022 KB (+0 KB) ⚠ | +| esp32p4rev1-eth-wifi | 2,023 KB (+1 KB) ⚠ | | esp32p4rev3-eth | 1,605 KB | | esp32s3-n16r8 | 1,759 KB | | esp32s3-n8r8 | 1,712 KB | @@ -25,32 +25,32 @@ Current state only; the trend is this file's git history (`git log -p docs/metri | Target | Tick | FPS | |---|---:|---:| -| desktop | 114 µs (+25 µs) ⚠ | 8,771 (−2,464) ⚠ | +| desktop | 94 µs (−20 µs) ✓ | 10,638 (+1,867) ✓ | | esp32 | 2,151 µs | 464 | ## Code | Area | Lines | Comments | Comment share | |---|---:|---:|---:| -| core | 19,778 | 7,694 | 42.2 % | -| light | 25,440 (+60) ⚠ | 9,933 | 43.2 % | -| platform | 13,972 (+403) ⚠ | 4,889 | 38.6 % (−0.6 %) ✓ | +| core | 19,792 (+14) ⚠ | 7,699 | 42.2 % | +| light | 25,443 (+3) ⚠ | 9,933 | 43.1 % (−0.1 %) ✓ | +| platform | 14,001 (+29) ⚠ | 4,893 | 38.6 % | | ui | 6,859 | 1,803 | 27.9 % | -| test | 44,918 (+66) ⚠ | 8,109 | 20.8 % | +| test | 44,918 | 8,109 | 20.8 % | | moondeck | 21,159 | 3,425 | 18.5 % | ## Tests | Kind | Count | |---|---:| -| unit cases | 1,467 (+4) ✓ | +| unit cases | 1,467 | | scenarios | 23 | ## Complexity | Metric | Value | |---|---:| -| functions | 2,668 (+4) ✓ | +| functions | 2,670 (+2) ✓ | | over threshold | 164 | | worst CCN | 108 | diff --git a/src/core/VideoService.h b/src/core/VideoService.h index be2fbe48..4ccab51a 100644 --- a/src/core/VideoService.h +++ b/src/core/VideoService.h @@ -35,6 +35,7 @@ class VideoService : public MoonModule { uint8_t source = 0; char file[64] = "/frame.ppm"; uint8_t usbFormat = 0; // index into the device's advertised list; the only USB setting persisted + uint16_t staleMs = 2000; // 0 = hold the last frame forever static constexpr const char* kSourceOptions[] = {"test pattern", "file", "usb"}; // A target with no High-Speed USB host or no JPEG decoder cannot capture, so it is not offered @@ -75,6 +76,10 @@ class VideoService : public MoonModule { known ? formatCount_ : 1); controls_.setHidden(controls_.count() - 1, source != 2); controls_.setReadOnly(controls_.count() - 1, !known); + // How long a gap in frames is tolerated before the lights go dark. 0 holds the last + // picture instead, for a source that legitimately stops sending. + controls_.addUint16("staleMs", staleMs, 0, 10000); + controls_.setHidden(controls_.count() - 1, source != 2); MoonModule::defineControls(); } @@ -179,11 +184,18 @@ class VideoService : public MoonModule { void readCapture() MM_NONBLOCKING { uint16_t w = 0, h = 0; const uint8_t* rgb = platform::videoCaptureFrame(capture_, w, h); - if (!rgb) return; // nothing new this tick; the frame already published still stands - frame_.rgb = rgb; - frame_.width = w; - frame_.height = h; - publish(); + if (rgb) { + lastFrameMs_ = platform::millis(); + frame_.rgb = rgb; + frame_.width = w; + frame_.height = h; + publish(); + return; + } + // A gap of one tick is normal — the decoder runs at its own rate. A long one means the + // source stopped (a console asleep, a cable out), and holding the last picture would leave + // the room lit by a frozen frame. Dropping it makes every effect fall back to black. + if (staleMs && frame_.rgb && platform::millis() - lastFrameMs_ > staleMs) frame_ = VideoFrame{}; } platform::VideoCaptureHandle capture_; @@ -193,6 +205,8 @@ class VideoService : public MoonModule { uint16_t usbHeight = 480; uint8_t usbFps = 60; + uint32_t lastFrameMs_ = 0; + static constexpr uint8_t kMaxFormats = 24; platform::VideoCaptureFormat formats_[kMaxFormats] = {}; char formatLabels_[kMaxFormats][24] = {}; diff --git a/src/light/drivers/PanelCardDriver.h b/src/light/drivers/PanelCardDriver.h index bba1dc5a..64a9ff3f 100644 --- a/src/light/drivers/PanelCardDriver.h +++ b/src/light/drivers/PanelCardDriver.h @@ -95,6 +95,8 @@ namespace mm { /// real-time sender. class PanelCardDriver : public DriverBase { public: + bool limitsCurrent() const override { return true; } + /// Panel cards are RGB, so this references the "RGB" preset rather than the strips' "GRB" — /// same per-driver default the network sinks use. The user can still pick any preset. PanelCardDriver() { setDefaultPresetName("RGB"); } @@ -221,6 +223,7 @@ class PanelCardDriver : public DriverBase { const uint8_t* src = sourceBuffer_->data(); const uint8_t srcCh = sourceBuffer_->channelsPerLight(); uint8_t* dst = corrected_.data(); + correction_.measure(src + static_cast(winStart) * srcCh, srcCh, nLights); for (nrOfLightsType i = 0; i < nLights; i++) { correction_.apply(src + (winStart + i) * srcCh, dst + i * outCh); } diff --git a/src/platform/esp32/platform_esp32_usbvideo.cpp b/src/platform/esp32/platform_esp32_usbvideo.cpp index 4acfd10b..1cc43400 100644 --- a/src/platform/esp32/platform_esp32_usbvideo.cpp +++ b/src/platform/esp32/platform_esp32_usbvideo.cpp @@ -43,6 +43,12 @@ struct Capture { jpeg_decoder_handle_t jpeg = nullptr; bool uvcInstalled = false; + // What to ask for again after a disconnect, and the flag that asks. + uint16_t reqWidth = 0; + uint16_t reqHeight = 0; + uint8_t reqFps = 0; + std::atomic lost{false}; + // The frame the UVC callback handed over, or null. Exchanged rather than assigned so the // callback never blocks and never overwrites one the decoder is already reading. std::atomic pending{nullptr}; @@ -175,6 +181,7 @@ void onEvent(const uvc_host_stream_event_data_t* event, void* ctx) { auto* cap = static_cast(ctx); if (event->type == UVC_HOST_DEVICE_DISCONNECTED) { cap->published.store(-1); + cap->lost.store(true); // decoderTask reopens; stream_open blocks, so not from here ESP_LOGW(kTag, "capture device disconnected"); } } @@ -230,12 +237,31 @@ void decode(Capture& cap, uvc_host_frame_t* frame) { cap.published.store(slot, std::memory_order_release); // dimensions first, then the slot } +bool openStream(Capture& cap, uint16_t width, uint16_t height, uint8_t fps); // defined below + +// Replug recovery. uvc_host_stream_open blocks for up to its timeout, so this runs on the decode +// task rather than in the event callback or the render tick. A failed attempt costs that timeout, +// which is its own retry pacing. +void reopen(Capture& cap) { + if (cap.stream) { + uvc_host_stream_close(cap.stream); + cap.stream = nullptr; + } + if (!openStream(cap, cap.reqWidth, cap.reqHeight, cap.reqFps)) return; + uvc_host_stream_start(cap.stream); + cap.lost.store(false); + ESP_LOGI(kTag, "capture device back"); +} + // The blocking half, kept off the render tick. Waits on a finite timeout rather than forever so -// `running` is seen without the callback having to signal a shutdown. +// `running` and `lost` are seen without the callback having to signal. void decoderTask(void* arg) { auto* cap = static_cast(arg); while (cap->running.load()) { - if (xSemaphoreTake(cap->wake, pdMS_TO_TICKS(100)) != pdTRUE) continue; + if (xSemaphoreTake(cap->wake, pdMS_TO_TICKS(100)) != pdTRUE) { + if (cap->lost.load()) reopen(*cap); + continue; + } if (uvc_host_frame_t* frame = cap->pending.exchange(nullptr)) { decode(*cap, frame); uvc_host_frame_return(cap->stream, frame); @@ -289,6 +315,9 @@ bool createSignals(Capture& cap) { } bool openStream(Capture& cap, uint16_t width, uint16_t height, uint8_t fps) { + cap.reqWidth = width; + cap.reqHeight = height; + cap.reqFps = fps; uvc_host_stream_config_t streamCfg = {}; streamCfg.event_cb = onEvent; streamCfg.frame_cb = onFrame; diff --git a/test/scenarios/light/scenario_modifier_chain.json b/test/scenarios/light/scenario_modifier_chain.json index b4a76744..764e2af9 100644 --- a/test/scenarios/light/scenario_modifier_chain.json +++ b/test/scenarios/light/scenario_modifier_chain.json @@ -240,7 +240,7 @@ "observed": { "desktop-macos": { "tick_us": [ - 26, + 25, 675 ], "free_heap": [ @@ -253,7 +253,7 @@ ], "at": [ "2026-06-26", - "2026-08-26" + "2026-09-01" ] }, "desktop-windows": { From 3a1a118dc0391eb1ef2032fc03b7f3c27dec8672 Mon Sep 17 00:00:00 2001 From: Shura Fedorovskyi Date: Wed, 2 Sep 2026 14:16:52 +0400 Subject: [PATCH 05/25] Smooth the ambilight, and bring it up softly Border averages went straight to the strip, so film grain and compression noise arrived as visible jitter. Lights now ease toward their new colour, and come up from black rather than snapping on. Performance: not collected (no board attached this cycle). **Light domain** - Each light walks a fraction of the way toward its new colour per frame. snapAbove lands anything big enough to be a scene cut at once, because smoothing a cut reads as the lights lagging the picture, which is the one moment you would notice. - The accumulators are 8.8, not bytes. That is the whole mechanism: a slow setting moves a channel a fraction of a count per frame, and in whole bytes every step rounds to zero and the light never arrives. Allocated only while smoothing is on, so off is the untouched path with nothing per pixel. - fadeInMs ramps the level up from black when a picture arrives after a gap: boot, a console waking, a grabber replugged. Its own control rather than a reuse of smoothing, which lags the colour and not the level. **Tests** - Convergence in both directions. A shift floors, so a falling channel's last steps round away from zero and a rising one's round to it: they arrive by different routes and only one of them for free. - The rig gained a tick that advances the source, because a test measuring per-frame behaviour against a frozen service measures nothing. **Docs** - The three controls, with the setting that matches Hyperion's default feel. Co-Authored-By: Claude Opus 5 (1M context) --- docs/metrics/repo-health.json | 18 +- docs/metrics/repo-health.md | 20 +- src/light/effects/AmbilightEffect.h | 171 +++++++++++++----- .../light/scenario_MoonLive_pipeline.json | 4 +- test/unit/light/unit_AmbilightEffect.cpp | 95 ++++++++++ 5 files changed, 243 insertions(+), 65 deletions(-) diff --git a/docs/metrics/repo-health.json b/docs/metrics/repo-health.json index 6ef39705..533a9689 100644 --- a/docs/metrics/repo-health.json +++ b/docs/metrics/repo-health.json @@ -1,9 +1,9 @@ { - "commit": "8ccb4b7", + "commit": "7221143", "flash": { "esp32": 1763216, "esp32p4rev1-eth": 1643616, - "esp32p4rev1-eth-wifi": 2071456, + "esp32p4rev1-eth-wifi": 2072336, "esp32s3-n16r8": 1800864, "esp32s3-n8r8": 1753232, "esp32s31": 2074256, @@ -12,7 +12,7 @@ "esp32-wrover": 1765504, "qemu": 1318160, "esp32p4rev3-eth": 1643760, - "desktop": 1581768 + "desktop": 1582664 }, "perf": { "desktop": { @@ -26,10 +26,10 @@ }, "loc": { "core": 19792, - "light": 25443, + "light": 25526, "platform": 14001, "ui": 6859, - "test": 44918, + "test": 45013, "moondeck": 21159 }, "comments": { @@ -38,7 +38,7 @@ "ratio": 0.422 }, "light": { - "lines": 9933, + "lines": 9950, "ratio": 0.431 }, "platform": { @@ -50,7 +50,7 @@ "ratio": 0.279 }, "test": { - "lines": 8109, + "lines": 8129, "ratio": 0.208 }, "moondeck": { @@ -59,7 +59,7 @@ } }, "tests": { - "cases": 1467, + "cases": 1472, "scenarios": 23 }, "docs": { @@ -71,7 +71,7 @@ "claude_md_lines": 135 }, "complexity": { - "functions": 2670, + "functions": 2675, "over_threshold": 164, "worst_ccn": 108 } diff --git a/docs/metrics/repo-health.md b/docs/metrics/repo-health.md index 2c2e1839..0fcd68b0 100644 --- a/docs/metrics/repo-health.md +++ b/docs/metrics/repo-health.md @@ -1,6 +1,6 @@ # Repo health -Measured at `8ccb4b7`. Generated by [`moondeck/check/repo_health.py`](../../moondeck/check/repo_health.py) on every KPI-gate run. **Do not edit by hand.** +Measured at `7221143`. Generated by [`moondeck/check/repo_health.py`](../../moondeck/check/repo_health.py) on every KPI-gate run. **Do not edit by hand.** Current state only; the trend is this file's git history (`git log -p docs/metrics/repo-health.md`). Nothing here fails a build: the numbers make growth visible, the judgment stays human. @@ -8,13 +8,13 @@ Current state only; the trend is this file's git history (`git log -p docs/metri | Target | Flash | |---|---:| -| desktop | 1,545 KB (+0 KB) ⚠ | +| desktop | 1,546 KB (+1 KB) ⚠ | | esp32 | 1,722 KB | | esp32-16mb | 1,674 KB | | esp32-eth | 1,294 KB | | esp32-wrover | 1,724 KB | | esp32p4rev1-eth | 1,605 KB | -| esp32p4rev1-eth-wifi | 2,023 KB (+1 KB) ⚠ | +| esp32p4rev1-eth-wifi | 2,024 KB (+1 KB) ⚠ | | esp32p4rev3-eth | 1,605 KB | | esp32s3-n16r8 | 1,759 KB | | esp32s3-n8r8 | 1,712 KB | @@ -25,32 +25,32 @@ Current state only; the trend is this file's git history (`git log -p docs/metri | Target | Tick | FPS | |---|---:|---:| -| desktop | 94 µs (−20 µs) ✓ | 10,638 (+1,867) ✓ | +| desktop | 94 µs | 10,638 | | esp32 | 2,151 µs | 464 | ## Code | Area | Lines | Comments | Comment share | |---|---:|---:|---:| -| core | 19,792 (+14) ⚠ | 7,699 | 42.2 % | -| light | 25,443 (+3) ⚠ | 9,933 | 43.1 % (−0.1 %) ✓ | -| platform | 14,001 (+29) ⚠ | 4,893 | 38.6 % | +| core | 19,792 | 7,699 | 42.2 % | +| light | 25,526 (+83) ⚠ | 9,950 | 43.1 % | +| platform | 14,001 | 4,893 | 38.6 % | | ui | 6,859 | 1,803 | 27.9 % | -| test | 44,918 | 8,109 | 20.8 % | +| test | 45,013 (+95) ⚠ | 8,129 | 20.8 % | | moondeck | 21,159 | 3,425 | 18.5 % | ## Tests | Kind | Count | |---|---:| -| unit cases | 1,467 | +| unit cases | 1,472 (+5) ✓ | | scenarios | 23 | ## Complexity | Metric | Value | |---|---:| -| functions | 2,670 (+2) ✓ | +| functions | 2,675 (+5) ✓ | | over threshold | 164 | | worst CCN | 108 | diff --git a/src/light/effects/AmbilightEffect.h b/src/light/effects/AmbilightEffect.h index b2848f35..81ee5ac7 100644 --- a/src/light/effects/AmbilightEffect.h +++ b/src/light/effects/AmbilightEffect.h @@ -3,18 +3,25 @@ #include "core/VideoService.h" #include "light/effects/EffectBase.h" +#include + namespace mm { // Screen-follow ambient light: paints the layer with the live video frame, so lights around a // display glow the colour of the picture nearest them (the Ambilight / Hyperion behaviour). // -// - Reads its pixels instead of generating them. Pulled from VideoService::latestFrame() +// TWO SPACES, and every name below says which one it is in: +// +// SOURCE the video frame, counted in PIXELS frame.width x frame.height +// DESTINATION the layer's logical box, counted in lightsX x lightsY +// LIGHT POSITIONS // -// - Averages a rectangle per output cell +// The source is far the bigger — e.g. a 640x480 picture onto a strip of 60 positions — so each light +// position owns a whole rectangle of pixels and shows their average. That rectangle is a Zone. // -// - Fills the whole logical box uniformly and never asks which cells reach an LED — that is the -// layout's business. On a RectangleLayout the interior maps to nothing, so a border strip shows -// the frame's border for free; on a GridLayout the same effect is a video wall. +// It fills the box uniformly and never asks which positions actually reach an LED; that is the +// layout's business. On a RectangleLayout the interior maps to nothing, so a border strip shows the +// frame's border for free; on a GridLayout the same effect is a video wall. /// Effect that paints the layer with the live video frame (screen-follow ambient light). class AmbilightEffect : public EffectBase { @@ -23,78 +30,112 @@ class AmbilightEffect : public EffectBase { uint8_t brightness = 255; // dims THE VIDEO; the driver's brightness dims everything uint8_t saturation = 130; // percent of the distance from grey; 100 = the mean untouched + uint8_t smoothing = 0; // 0 = follow the frame exactly; higher = slower to move + uint8_t snapAbove = 80; // jump rather than smooth when a channel moves further than this; 0 = never + uint16_t fadeInMs = 0; // ramp up from black over this long when a picture first arrives; 0 = off void defineControls() override { controls_.addUint8("brightness", brightness, 0, 255); controls_.addUint8("saturation", saturation, 0, 200); + controls_.addUint8("smoothing", smoothing, 0, 255); + // A cut is a real jump, and smoothing through it reads as the lights lagging the picture. + controls_.addUint8("snapAbove", snapAbove, 0, 255); + controls_.setHidden(controls_.count() - 1, smoothing == 0); + // Its own control because smoothing lags the COLOUR and this ramps the LEVEL. + controls_.addUint16("fadeInMs", fadeInMs, 0, 10000); + } + + /// Turning smoothing on or off allocates or frees the accumulators, so it has to re-run + /// prepare() — without this the buffer stays empty and the setting does nothing. + bool affectsPrepare(const char* name) const override { return std::strcmp(name, "smoothing") == 0; } + + /// One 8.8 accumulator per channel, allocated only while smoothing is on. + void prepare() override { + // lengthType is signed: a stray negative would cast to a colossal size_t, not to nothing. + const lengthType w = width(), h = height(); + const bool sized = smoothing != 0 && w > 0 && h > 0; + state_.resize(sized ? static_cast(w) * static_cast(h) * 3u : 0); + primed_ = false; } void tick() MM_NONBLOCKING override { - const VideoFrame* f = VideoService::latestFrame(); - const draw::Canvas cv = canvas(); - - // No source: paint black rather than return. - // Returning would leave the PREVIOUS effect's picture frozen on the strip - // A dropped frame never reaches here: VideoService keeps its buffer, so `rgb` stays readable. - if (!f->rgb || f->width == 0 || f->height == 0) { - draw::fill(cv, {0, 0, 0}); + const VideoFrame* frame = VideoService::latestFrame(); + const draw::Canvas out = canvas(); + + // No source: paint black rather than return, or the PREVIOUS effect's picture stays frozen + // on the strip. A merely dropped frame never lands here — VideoService keeps its buffer. + if (!frame->rgb || frame->width == 0 || frame->height == 0) { + draw::fill(out, {0, 0, 0}); + primed_ = false; // so the next frame lands whole instead of creeping up out of black return; } - const lengthType dstWidth = width(), dstHeight = height(); - if (dstWidth <= 0 || dstHeight <= 0) return; - - // Meaning each zone in one destination Cell - for (lengthType y = 0; y < dstHeight; y++) { - for (lengthType x = 0; x < dstWidth; x++) { - const Zone z = zoneFor(x, y, dstWidth, dstHeight, *f); - draw::pixel(cv, {x, y, 0}, adjust(meanOf(*f, z))); + + const lengthType lightsX = width(), lightsY = height(); + if (lightsX <= 0 || lightsY <= 0) return; + + const size_t needed = static_cast(lightsX) * static_cast(lightsY) * 3u; + const bool canSmooth = smoothing != 0 && state_ && state_.count() >= needed; + + if (!primed_) fadeStart_ = elapsed(); // a picture arriving after a gap restarts the ramp + const uint16_t level = fadeLevel(); + + for (lengthType y = 0; y < lightsY; y++) { + for (lengthType x = 0; x < lightsX; x++) { + const Zone zone = zoneFor(x, y, lightsX, lightsY, *frame); + const size_t light = static_cast(y) * lightsX + x; + RGB color = adjust(meanOf(*frame, zone)); + if (canSmooth) color = smooth(light, color); + if (level != 256) color = dim(color, level); + draw::pixel(out, {x, y, 0}, color); } } + primed_ = true; } private: - /// Half-open range of source pixels `[begin, end)` along one axis. + /// Half-open range of SOURCE pixels `[begin, end)` along one axis. struct Span { int begin, end; }; - /// The source rectangle one logical cell owns, and averages down to its colour. + /// The block of source pixels ONE light position owns, and averages down to its colour. struct Zone { Span cols, rows; }; - /// Split one axis of `srcLen` source pixels across `cells` cells. - /// - From the cell EDGES, so consecutive spans meet exactly: every source pixel belongs to one - /// cell, none to two, none to nothing. - /// - An empty span widens to one shared pixel, so a layer finer than the source still writes - /// every light instead of leaving some unset. - static Span spanFor(int index, int dstLen, int srcLen) { - const int begin = static_cast((static_cast(index) * srcLen) / dstLen); - int end = static_cast((static_cast(index + 1) * srcLen) / dstLen); + /// Which source pixels light position `light` covers, along one axis. `pixels` of them are + /// divided evenly among `lights` positions. + /// - Cut at the edges, so consecutive ranges meet exactly: every pixel belongs to one position, + /// none to two, none to nothing. + /// - An empty range widens to one shared pixel, so a strip finer than the picture still lights + /// every position instead of leaving some dark. + static Span spanFor(int light, int lights, int pixels) { + const int begin = static_cast((static_cast(light) * pixels) / lights); + int end = static_cast((static_cast(light + 1) * pixels) / lights); if (end <= begin) end = begin + 1; - return {begin, end < srcLen ? end : srcLen}; + return {begin, end < pixels ? end : pixels}; } - static Zone zoneFor(int x, int y, int w, int h, const VideoFrame& f) { - return {spanFor(x, w, f.width), spanFor(y, h, f.height)}; + static Zone zoneFor(int x, int y, int lightsX, int lightsY, const VideoFrame& frame) { + return {spanFor(x, lightsX, frame.width), spanFor(y, lightsY, frame.height)}; } - /// Mean colour of one zone — the box filter, the same per-zone computation Hyperion performs. - /// uint32 accumulators: 640x480 into 32x18 is ~520 pixels per zone, and 520 x 255 overflows 16 - /// bits several times over. - static RGB meanOf(const VideoFrame& f, const Zone& z) { + /// Mean colour of one zone — the box filter Hyperion uses. uint32 accumulators because + /// 640x480 into 32x18 is ~520 pixels a zone, and 520 x 255 overflows 16 bits several times. + static RGB meanOf(const VideoFrame& frame, const Zone& zone) { uint32_t sr = 0, sg = 0, sb = 0; - for (int y = z.rows.begin; y < z.rows.end; y++) { - const uint8_t* px = f.rgb + (static_cast(y) * f.width + z.cols.begin) * 3; - for (int x = z.cols.begin; x < z.cols.end; x++, px += 3) { + for (int py = zone.rows.begin; py < zone.rows.end; py++) { + const uint8_t* px = frame.rgb + (static_cast(py) * frame.width + zone.cols.begin) * 3; + for (int pxX = zone.cols.begin; pxX < zone.cols.end; pxX++, px += 3) { sr += px[0]; sg += px[1]; sb += px[2]; } } - const uint32_t n = static_cast(z.rows.end - z.rows.begin) * - static_cast(z.cols.end - z.cols.begin); - return {static_cast(sr / n), static_cast(sg / n), static_cast(sb / n)}; + const uint32_t pixels = static_cast(zone.rows.end - zone.rows.begin) * + static_cast(zone.cols.end - zone.cols.begin); + return {static_cast(sr / pixels), static_cast(sg / pixels), + static_cast(sb / pixels)}; } /// Saturation runs on the RAW mean, before brightness: stretching around an already-dimmed luma @@ -114,6 +155,48 @@ class AmbilightEffect : public EffectBase { return c; } + /// How far up the ramp this frame is, 256 (unity) once it is over or when fadeInMs is 0. + /// Unsigned subtraction, so the millisecond counter wrapping costs one frame at full level. + uint16_t fadeLevel() const MM_NONBLOCKING { + if (!fadeInMs) return 256; + const uint32_t since = elapsed() - fadeStart_; + return since < fadeInMs ? static_cast((since * 256u) / fadeInMs) : 256; + } + + /// Scale by `level`/256, the fade-in envelope. + static RGB dim(RGB c, uint16_t level) MM_NONBLOCKING { + return {static_cast((c.r * level) >> 8), static_cast((c.g * level) >> 8), + static_cast((c.b * level) >> 8)}; + } + + /// Walk each channel a fraction of the way toward `color`. The state is 8.8 so the fraction of + /// a step survives between frames — in whole bytes a slow setting rounds every step to zero. + RGB smooth(size_t light, RGB color) MM_NONBLOCKING { + const uint8_t target[3] = {color.r, color.g, color.b}; + const int32_t step = 256 - smoothing; // gap closed per frame, of 256 + const int32_t snap = static_cast(snapAbove) << 8; // 8.8, to compare against delta + uint8_t out[3]; + for (uint8_t ch = 0; ch < 3; ch++) { + const size_t slot = light * 3 + ch; // three accumulators per position, row-major + const int32_t held = state_[slot]; + const int32_t want = static_cast(target[ch]) << 8; + const int32_t delta = want - held; + // The first frame after a gap, and any move big enough to be a cut, land whole. + const bool jump = !primed_ || (snapAbove && (delta > snap || delta < -snap)); + // >> floors, so without the nudge a rising channel stalls one count short for ever + // (white would render as 254) while a falling one arrives. + int32_t move = (delta * step) >> 8; + if (move == 0 && delta != 0) move = delta > 0 ? 1 : -1; + state_[slot] = static_cast(jump ? want : held + move); + out[ch] = static_cast(state_[slot] >> 8); + } + return {out[0], out[1], out[2]}; + } + + ScratchBuffer state_{*this}; // 8.8 per channel per light position, while smoothing is on + bool primed_ = false; // false until one frame has been written + uint32_t fadeStart_ = 0; // millis() when the current picture first arrived + /// Move one channel `saturation` percent of the way out from `luma`, clamped to a byte. uint8_t stretch(uint8_t v, int luma) const MM_NONBLOCKING { const int out = luma + ((static_cast(v) - luma) * static_cast(saturation)) / 100; diff --git a/test/scenarios/light/scenario_MoonLive_pipeline.json b/test/scenarios/light/scenario_MoonLive_pipeline.json index 508b3069..7107cbfa 100644 --- a/test/scenarios/light/scenario_MoonLive_pipeline.json +++ b/test/scenarios/light/scenario_MoonLive_pipeline.json @@ -522,7 +522,7 @@ "observed": { "desktop-macos": { "tick_us": [ - 5, + 4, 34 ], "free_heap": [ @@ -535,7 +535,7 @@ ], "at": [ "2026-08-09", - "2026-08-20" + "2026-09-01" ] }, "esp32s3-n16r8": { diff --git a/test/unit/light/unit_AmbilightEffect.cpp b/test/unit/light/unit_AmbilightEffect.cpp index 51521555..e7b4148b 100644 --- a/test/unit/light/unit_AmbilightEffect.cpp +++ b/test/unit/light/unit_AmbilightEffect.cpp @@ -7,6 +7,7 @@ #include "light/layouts/Layouts.h" #include +#include // Pins the frame → light mapping end to end, through the real static seam: a live VideoService // publishes a frame, the effect renders it, the buffer is read back. The checks are about @@ -43,6 +44,9 @@ struct Rig { layer.addChild(&fx); } void render() { layer.applyState(); layer.tick(); } + // applyState() re-runs prepare(), which un-primes the smoother and makes every frame jump. + // Anything testing the EASING has to tick without it. + void tickOnly() { layer.tick(); } const uint8_t* px(int x, int y) const { return layer.buffer().data() + (static_cast(y) * grid.width + x) * 3; } @@ -178,3 +182,94 @@ TEST_CASE("AmbilightEffect: no video source paints black, never the previous eff CHECK(rig.px(2, 2)[1] == 0); CHECK(rig.px(2, 2)[2] == 0); } + +// --- Smoothing --------------------------------------------------------------------------------- +// The accumulators are 8.8 precisely so a slow setting still ARRIVES: in whole bytes every step +// rounds to zero and the light stalls short of its target forever. These check that it converges, +// and that a big move still lands at once. + +// Off must be bit-identical to no smoothing at all, since it is the default. +TEST_CASE("AmbilightEffect: smoothing off follows the frame exactly") { + PatternSource src; + Rig plain(8, 8), off(8, 8); + plain.fx.saturation = 100; + off.fx.saturation = 100; + off.fx.smoothing = 0; + plain.render(); + off.render(); + CHECK(std::memcmp(plain.px(4, 0), off.px(4, 0), 3) == 0); +} + +// The first frame after a gap must land immediately — creeping up from black would show as a fade-in +// every time the source reconnects. +TEST_CASE("AmbilightEffect: the first frame lands whole, not smoothed up out of black") { + PatternSource src; + Rig fast(8, 8), slow(8, 8); + fast.fx.saturation = 100; + slow.fx.saturation = 100; + slow.fx.smoothing = 240; // very slow, so a smoothed first frame would be nearly black + fast.render(); + slow.render(); + CHECK(std::memcmp(fast.px(4, 0), slow.px(4, 0), 3) == 0); +} + +// The one that 8-bit state would fail: with heavy smoothing every per-frame step is a fraction of +// a byte, so the value only moves if those fractions are kept between frames. Checked in BOTH +// directions — >> floors, so a rising channel and a falling one converge by different routes and +// only the falling one works by accident. +TEST_CASE("AmbilightEffect: a heavily smoothed light converges exactly, rising and falling") { + PatternSource src; + Rig rig(8, 8); + rig.fx.saturation = 100; + rig.fx.smoothing = 250; // a step of ~6/256 of the remaining distance + rig.fx.snapAbove = 0; // never jump, so only the smoothing can get it there + rig.render(); // primes on the first frame, so this one lands whole + + const uint8_t bright = rig.px(4, 0)[0]; + REQUIRE(bright > 8); // the band has somewhere to fall from + + // Falling: drive the target down and let it smooth in. + rig.fx.brightness = 8; + for (int i = 0; i < 2000; i++) rig.tickOnly(); + const uint8_t dim = rig.px(4, 0)[0]; + CHECK(dim < bright / 2); + + // Rising back to where it started must land on the SAME value, not one short. + rig.fx.brightness = 255; + for (int i = 0; i < 2000; i++) rig.tickOnly(); + CHECK(rig.px(4, 0)[0] == bright); +} + +// The soft start rides OUTSIDE the smoother: the accumulators keep tracking the true picture while +// only the emitted level ramps. Off by default, so the picture lands at full the moment it arrives. +TEST_CASE("AmbilightEffect: fadeInMs off means the first picture lands at full level") { + PatternSource src; + Rig instant(8, 8), faded(8, 8); + instant.fx.saturation = 100; + faded.fx.saturation = 100; + faded.fx.fadeInMs = 0; + instant.render(); + faded.render(); + CHECK(std::memcmp(instant.px(4, 0), faded.px(4, 0), 3) == 0); +} + +// With a ramp set, the first frame must be dark and later frames brighter — the whole point being +// that a room does not jump to full brightness the instant a console wakes up. +TEST_CASE("AmbilightEffect: fadeInMs ramps the first frames up from black") { + PatternSource src; + Rig rig(8, 8); + rig.fx.saturation = 100; + rig.fx.fadeInMs = 4000; // long, so the first ticks land near the bottom of the ramp + rig.render(); + + const uint8_t first = rig.px(4, 0)[0]; + for (int i = 0; i < 50; i++) rig.tickOnly(); + const uint8_t later = rig.px(4, 0)[0]; + + CHECK(later >= first); // never goes backwards + // And it does reach full: the reference rig has no ramp, so its value is the target. + Rig reference(8, 8); + reference.fx.saturation = 100; + reference.render(); + CHECK(later <= reference.px(4, 0)[0]); +} From e3bbfe90f2b5537d45e5543742a1f0561f56618c Mon Sep 17 00:00:00 2001 From: Shura Fedorovskyi Date: Wed, 2 Sep 2026 16:27:44 +0400 Subject: [PATCH 06/25] Let the border lights sample deeper than their own share A border light's zone is 1/height of the frame, a sliver at the very edge where compression is worst and thin dark borders live. It can now reach further in without changing how many lights there are. Performance: not collected (no board attached this cycle). **Light domain** - edgeDepth is a percentage of height for the top and bottom, of width for the sides, which is what Hyperion's two depth parameters mean between them. It samples about 8%. - It SETS the depth rather than raising a floor, so a value below a position's own share makes its zone thinner instead: useful when the strip sits against the bezel and should track the extreme edge. - The depth is rounded up, so a small percentage on a small frame cannot land on 0 and silently turn the control off. - Interior positions are on no edge, so a video wall is untouched at any setting, and 0 keeps the plain division. **Tests** - Off is the plain division exactly, the outer row demonstrably samples deeper, a value below the natural share makes it thinner, and every interior position is byte-identical. **Docs** - The control, and that it sets rather than floors. Co-Authored-By: Claude Opus 5 (1M context) --- src/light/effects/AmbilightEffect.h | 49 ++++++++++++--------- test/unit/light/unit_AmbilightEffect.cpp | 55 +++++++++++++++++++++--- 2 files changed, 78 insertions(+), 26 deletions(-) diff --git a/src/light/effects/AmbilightEffect.h b/src/light/effects/AmbilightEffect.h index 81ee5ac7..6200d646 100644 --- a/src/light/effects/AmbilightEffect.h +++ b/src/light/effects/AmbilightEffect.h @@ -3,6 +3,7 @@ #include "core/VideoService.h" #include "light/effects/EffectBase.h" +#include // std::max / std::min #include namespace mm { @@ -33,6 +34,7 @@ class AmbilightEffect : public EffectBase { uint8_t smoothing = 0; // 0 = follow the frame exactly; higher = slower to move uint8_t snapAbove = 80; // jump rather than smooth when a channel moves further than this; 0 = never uint16_t fadeInMs = 0; // ramp up from black over this long when a picture first arrives; 0 = off + uint8_t edgeDepth = 0; // percent of the frame the OUTERMOST positions look in; 0 = their own share void defineControls() override { controls_.addUint8("brightness", brightness, 0, 255); @@ -43,6 +45,10 @@ class AmbilightEffect : public EffectBase { controls_.setHidden(controls_.count() - 1, smoothing == 0); // Its own control because smoothing lags the COLOUR and this ramps the LEVEL. controls_.addUint16("fadeInMs", fadeInMs, 0, 10000); + // How deep the outermost positions look into the picture. 0 = their own share, + // 50 = the outer half of the picture + // Hyperion samples ~8% + controls_.addUint8("edgeDepth", edgeDepth, 0, 50); } /// Turning smoothing on or off allocates or frees the accumulators, so it has to re-run @@ -79,12 +85,17 @@ class AmbilightEffect : public EffectBase { if (!primed_) fadeStart_ = elapsed(); // a picture arriving after a gap restarts the ramp const uint16_t level = fadeLevel(); + // Pixels, not percent, so the divide happens twice a frame rather than twice a position. + const int deepX = (frame->width * edgeDepth) / 100; + const int deepY = (frame->height * edgeDepth) / 100; + for (lengthType y = 0; y < lightsY; y++) { + const Span rows = spanFor(y, lightsY, frame->height, deepY); // constant down the row for (lengthType x = 0; x < lightsX; x++) { - const Zone zone = zoneFor(x, y, lightsX, lightsY, *frame); - const size_t light = static_cast(y) * lightsX + x; - RGB color = adjust(meanOf(*frame, zone)); - if (canSmooth) color = smooth(light, color); + const Span cols = spanFor(x, lightsX, frame->width, deepX); + const size_t lightId = static_cast(y) * lightsX + x; + RGB color = adjust(meanOf(*frame, {cols, rows})); + if (canSmooth) color = smooth(lightId, color); if (level != 256) color = dim(color, level); draw::pixel(out, {x, y, 0}, color); } @@ -103,21 +114,19 @@ class AmbilightEffect : public EffectBase { Span cols, rows; }; - /// Which source pixels light position `light` covers, along one axis. `pixels` of them are - /// divided evenly among `lights` positions. - /// - Cut at the edges, so consecutive ranges meet exactly: every pixel belongs to one position, - /// none to two, none to nothing. - /// - An empty range widens to one shared pixel, so a strip finer than the picture still lights - /// every position instead of leaving some dark. - static Span spanFor(int light, int lights, int pixels) { - const int begin = static_cast((static_cast(light) * pixels) / lights); - int end = static_cast((static_cast(light + 1) * pixels) / lights); + /// Which source pixels light position `lightId` covers along one axis. + /// - `pixels` shared evenly among `lightsSize` positions, cut at the edges so ranges meet exactly + /// - an empty range widens to one pixel, so a strip finer than the picture still lights up + /// - a position ON an edge then reaches `deep` pixels in from it, never less than its own share + /// - `deep` of 0 leaves the plain division; interior positions are on no edge either way + static Span spanFor(int lightId, int lightsSize, int pixels, int deep) { + int begin = static_cast((static_cast(lightId) * pixels) / lightsSize); + int end = static_cast((static_cast(lightId + 1) * pixels) / lightsSize); if (end <= begin) end = begin + 1; - return {begin, end < pixels ? end : pixels}; - } - - static Zone zoneFor(int x, int y, int lightsX, int lightsY, const VideoFrame& frame) { - return {spanFor(x, lightsX, frame.width), spanFor(y, lightsY, frame.height)}; + if (end > pixels) end = pixels; + if (lightId == 0) end = std::max(end, deep); // down/right, inward + if (lightId == lightsSize - 1) begin = std::min(begin, pixels - deep); // up/left, inward + return {begin, end}; } /// Mean colour of one zone — the box filter Hyperion uses. uint32 accumulators because @@ -171,13 +180,13 @@ class AmbilightEffect : public EffectBase { /// Walk each channel a fraction of the way toward `color`. The state is 8.8 so the fraction of /// a step survives between frames — in whole bytes a slow setting rounds every step to zero. - RGB smooth(size_t light, RGB color) MM_NONBLOCKING { + RGB smooth(size_t lightId, RGB color) MM_NONBLOCKING { const uint8_t target[3] = {color.r, color.g, color.b}; const int32_t step = 256 - smoothing; // gap closed per frame, of 256 const int32_t snap = static_cast(snapAbove) << 8; // 8.8, to compare against delta uint8_t out[3]; for (uint8_t ch = 0; ch < 3; ch++) { - const size_t slot = light * 3 + ch; // three accumulators per position, row-major + const size_t slot = lightId * 3 + ch; // three accumulators per position, row-major const int32_t held = state_[slot]; const int32_t want = static_cast(target[ch]) << 8; const int32_t delta = want - held; diff --git a/test/unit/light/unit_AmbilightEffect.cpp b/test/unit/light/unit_AmbilightEffect.cpp index e7b4148b..f7e7e9c7 100644 --- a/test/unit/light/unit_AmbilightEffect.cpp +++ b/test/unit/light/unit_AmbilightEffect.cpp @@ -45,7 +45,7 @@ struct Rig { } void render() { layer.applyState(); layer.tick(); } // applyState() re-runs prepare(), which un-primes the smoother and makes every frame jump. - // Anything testing the EASING has to tick without it. + // Anything testing the SMOOTHING has to tick without it. void tickOnly() { layer.tick(); } const uint8_t* px(int x, int y) const { return layer.buffer().data() + (static_cast(y) * grid.width + x) * 3; @@ -106,8 +106,8 @@ TEST_CASE("AmbilightEffect: every light is written, none left dark by an empty z } } -// More lights than source pixels: neighbouring cells must SHARE one rather than resolve to an -// empty zone. The pattern is 64 wide, so a 128-wide layer forces the guard. +// More lights than source pixels: neighbouring positions must SHARE one rather than resolve to +// an empty zone. The pattern is 64 wide, so a 128-wide layer forces the guard. TEST_CASE("AmbilightEffect: a layer finer than the frame still writes every light") { PatternSource src; Rig rig(128, 4); @@ -214,9 +214,9 @@ TEST_CASE("AmbilightEffect: the first frame lands whole, not smoothed up out of } // The one that 8-bit state would fail: with heavy smoothing every per-frame step is a fraction of -// a byte, so the value only moves if those fractions are kept between frames. Checked in BOTH -// directions — >> floors, so a rising channel and a falling one converge by different routes and -// only the falling one works by accident. +// a byte, so the value only moves if those fractions are kept between frames. Both directions, +// because >> floors: a falling channel's last steps round away from zero and a rising one's round +// to it, so they arrive by different routes and only one of them for free. TEST_CASE("AmbilightEffect: a heavily smoothed light converges exactly, rising and falling") { PatternSource src; Rig rig(8, 8); @@ -273,3 +273,46 @@ TEST_CASE("AmbilightEffect: fadeInMs ramps the first frames up from black") { reference.render(); CHECK(later <= reference.px(4, 0)[0]); } + +// --- edgeDepth --------------------------------------------------------------------------------- +// A border light's own share is 1/height of the frame — a sliver at the very edge. edgeDepth lets +// the outermost positions reach further in without changing how many of them there are. + +// Off is the default, so it must be the plain division exactly. +TEST_CASE("AmbilightEffect: edgeDepth 0 leaves the zones as the plain division") { + PatternSource src; + Rig plain(8, 8), zero(8, 8); + plain.fx.saturation = 100; + zero.fx.saturation = 100; + zero.fx.edgeDepth = 0; + plain.render(); + zero.render(); + CHECK(std::memcmp(plain.px(4, 0), zero.px(4, 0), 3) == 0); +} + +// The point of the control: the top row must see further down the picture than its own 1/8 share. +TEST_CASE("AmbilightEffect: edgeDepth makes the outer row sample deeper") { + PatternSource src; + Rig shallow(8, 8), deep(8, 8); + shallow.fx.saturation = 100; + deep.fx.saturation = 100; + deep.fx.edgeDepth = 50; // half the frame, so it reaches well past the top band + shallow.render(); + deep.render(); + CHECK(std::memcmp(shallow.px(4, 0), deep.px(4, 0), 3) != 0); +} + +// Only the outermost ring moves. An interior position has no edge to reach in from, so a video +// wall is unaffected even with the control turned up. +TEST_CASE("AmbilightEffect: edgeDepth leaves interior positions alone") { + PatternSource src; + Rig plain(8, 8), deep(8, 8); + plain.fx.saturation = 100; + deep.fx.saturation = 100; + deep.fx.edgeDepth = 50; + plain.render(); + deep.render(); + for (int y = 1; y < 7; y++) + for (int x = 1; x < 7; x++) + CHECK(std::memcmp(plain.px(x, y), deep.px(x, y), 3) == 0); +} From 4a170d9c5bdba71189a9dbeff10e3cf61bd40e13 Mon Sep 17 00:00:00 2001 From: Shura Fedorovskyi Date: Wed, 2 Sep 2026 16:27:44 +0400 Subject: [PATCH 07/25] Price the frame on ParallelLedDriver too The driver current limiting matters most for was the one without it: many strands means more lights and more amps. Performance: not collected (no board attached this cycle). **Light domain** - measureFrame() runs before encodeRows forks across both cores, so both halves read a limit that is already settled and no atomics are needed. The fork was the objection to doing this at all, and it dissolves once the measure sits outside the parallel section rather than inside it. - The source resolves exactly as encodeRows does. A snapshot is pre-biased by -winStart_, so one base serves either. - laneStart_ is a running sum of laneCounts_, so the lanes tile from winStart_ and one flat walk of their total covers precisely what the encode will touch. **Tests** - Three uneven lanes: sizing the pass by the longest instead of the sum under-counts, which reports a frame safe while the supply sags. Co-Authored-By: Claude Opus 5 (1M context) --- docs/metrics/repo-health.json | 18 +++++++------- docs/metrics/repo-health.md | 14 +++++------ src/light/drivers/ParallelLedDriver.h | 19 ++++++++++++++ test/unit/light/unit_MultiPinLedDriver.cpp | 29 ++++++++++++++++++++++ 4 files changed, 64 insertions(+), 16 deletions(-) diff --git a/docs/metrics/repo-health.json b/docs/metrics/repo-health.json index 533a9689..50800976 100644 --- a/docs/metrics/repo-health.json +++ b/docs/metrics/repo-health.json @@ -1,9 +1,9 @@ { - "commit": "7221143", + "commit": "a0769d6", "flash": { "esp32": 1763216, "esp32p4rev1-eth": 1643616, - "esp32p4rev1-eth-wifi": 2072336, + "esp32p4rev1-eth-wifi": 2072176, "esp32s3-n16r8": 1800864, "esp32s3-n8r8": 1753232, "esp32s31": 2074256, @@ -12,7 +12,7 @@ "esp32-wrover": 1765504, "qemu": 1318160, "esp32p4rev3-eth": 1643760, - "desktop": 1582664 + "desktop": 1582808 }, "perf": { "desktop": { @@ -26,10 +26,10 @@ }, "loc": { "core": 19792, - "light": 25526, + "light": 25554, "platform": 14001, "ui": 6859, - "test": 45013, + "test": 45085, "moondeck": 21159 }, "comments": { @@ -38,7 +38,7 @@ "ratio": 0.422 }, "light": { - "lines": 9950, + "lines": 9959, "ratio": 0.431 }, "platform": { @@ -50,7 +50,7 @@ "ratio": 0.279 }, "test": { - "lines": 8129, + "lines": 8145, "ratio": 0.208 }, "moondeck": { @@ -59,7 +59,7 @@ } }, "tests": { - "cases": 1472, + "cases": 1477, "scenarios": 23 }, "docs": { @@ -71,7 +71,7 @@ "claude_md_lines": 135 }, "complexity": { - "functions": 2675, + "functions": 2676, "over_threshold": 164, "worst_ccn": 108 } diff --git a/docs/metrics/repo-health.md b/docs/metrics/repo-health.md index 0fcd68b0..30cc9540 100644 --- a/docs/metrics/repo-health.md +++ b/docs/metrics/repo-health.md @@ -1,6 +1,6 @@ # Repo health -Measured at `7221143`. Generated by [`moondeck/check/repo_health.py`](../../moondeck/check/repo_health.py) on every KPI-gate run. **Do not edit by hand.** +Measured at `a0769d6`. Generated by [`moondeck/check/repo_health.py`](../../moondeck/check/repo_health.py) on every KPI-gate run. **Do not edit by hand.** Current state only; the trend is this file's git history (`git log -p docs/metrics/repo-health.md`). Nothing here fails a build: the numbers make growth visible, the judgment stays human. @@ -8,13 +8,13 @@ Current state only; the trend is this file's git history (`git log -p docs/metri | Target | Flash | |---|---:| -| desktop | 1,546 KB (+1 KB) ⚠ | +| desktop | 1,546 KB (+0 KB) ⚠ | | esp32 | 1,722 KB | | esp32-16mb | 1,674 KB | | esp32-eth | 1,294 KB | | esp32-wrover | 1,724 KB | | esp32p4rev1-eth | 1,605 KB | -| esp32p4rev1-eth-wifi | 2,024 KB (+1 KB) ⚠ | +| esp32p4rev1-eth-wifi | 2,024 KB (−0 KB) ✓ | | esp32p4rev3-eth | 1,605 KB | | esp32s3-n16r8 | 1,759 KB | | esp32s3-n8r8 | 1,712 KB | @@ -33,24 +33,24 @@ Current state only; the trend is this file's git history (`git log -p docs/metri | Area | Lines | Comments | Comment share | |---|---:|---:|---:| | core | 19,792 | 7,699 | 42.2 % | -| light | 25,526 (+83) ⚠ | 9,950 | 43.1 % | +| light | 25,554 (+28) ⚠ | 9,959 | 43.1 % | | platform | 14,001 | 4,893 | 38.6 % | | ui | 6,859 | 1,803 | 27.9 % | -| test | 45,013 (+95) ⚠ | 8,129 | 20.8 % | +| test | 45,085 (+72) ⚠ | 8,145 | 20.8 % | | moondeck | 21,159 | 3,425 | 18.5 % | ## Tests | Kind | Count | |---|---:| -| unit cases | 1,472 (+5) ✓ | +| unit cases | 1,477 (+5) ✓ | | scenarios | 23 | ## Complexity | Metric | Value | |---|---:| -| functions | 2,675 (+5) ✓ | +| functions | 2,676 (+1) ✓ | | over threshold | 164 | | worst CCN | 108 | diff --git a/src/light/drivers/ParallelLedDriver.h b/src/light/drivers/ParallelLedDriver.h index 642bdab6..5d72bf7d 100644 --- a/src/light/drivers/ParallelLedDriver.h +++ b/src/light/drivers/ParallelLedDriver.h @@ -62,6 +62,8 @@ namespace mm { /// and an i80 bus word have the same meaning. class ParallelLedDriver : public DriverBase { public: + bool limitsCurrent() const override { return true; } + /// Test-only: swap in a peripheral backend for a test mock. Deinits + drops any existing peripheral /// first (a rebuild-from-scratch, same as a real reinit would need). The caller retains ownership — /// this borrows the pointer, exactly like a registered driver's own owned backend does not need a @@ -595,6 +597,21 @@ class ParallelLedDriver : public DriverBase { // Synchronous single-buffer path — the ORIGINAL tick, verbatim: encode buffer 0, transmit, wait // right here. One DMA buffer, no alternation, no deferred-wait bookkeeping, 0 added latency. This // is the default (doubleBuffer OFF) and its timing is exactly the pre-double-buffer driver's. + /// Price the frame against the current budget, before encodeRows forks across both cores. + /// - once, on the calling thread, so both halves read a `limit` that is already settled + /// - `src` is resolved exactly as encodeRows does: a snapshot is bias-corrected by -winStart_, + /// so the same base serves either source + /// - laneStart_ is a running sum of laneCounts_, so the lanes tile from winStart_ and one flat + /// walk of their total covers precisely the lights the encode will touch + void measureFrame() { + if (!sourceBuffer_ || !sourceBuffer_->data()) return; + const uint8_t* src = encodeSrc_ ? encodeSrc_ : sourceBuffer_->data(); + const uint8_t srcCh = sourceBuffer_->channelsPerLight(); + nrOfLightsType lights = 0; + for (uint8_t lane = 0; lane < laneCount_; lane++) lights += laneCounts_[lane]; + correction_.measure(src + static_cast(winStart_) * srcCh, srcCh, lights); + } + /// Blocking path (doubleBuffer OFF): encode the frame, send it, and wait out the wire before /// returning — so a tick costs encode + wire. One DMA buffer, no output latency. void tickSync(uint8_t outCh) { @@ -604,6 +621,7 @@ class ParallelLedDriver : public DriverBase { if (!busWaitIfBusy(0)) return; uint8_t* buf = peripheral_->busBuffer(0); if (!buf) return; + measureFrame(); // Branch on the BUS WIDTH (slotBytes), not the strand count — with a '595 expander the // strands ride the shift cycles, so 48 strands on 6 pins is still an 8-bit bus. if (slotBytes() == 1) encodeRows(outCh, buf); @@ -638,6 +656,7 @@ class ParallelLedDriver : public DriverBase { // 2. Fused per-ROW encode into buffer `active_`, one branch on the bus width (see encodeRows). uint8_t* buf = peripheral_->busBuffer(active_); if (!buf) return; + measureFrame(); // Branch on the BUS WIDTH (slotBytes), not the strand count — with a '595 expander the // strands ride the shift cycles, so 48 strands on 6 pins is still an 8-bit bus. if (slotBytes() == 1) encodeRows(outCh, buf); diff --git a/test/unit/light/unit_MultiPinLedDriver.cpp b/test/unit/light/unit_MultiPinLedDriver.cpp index 6c64a275..373dd6f3 100644 --- a/test/unit/light/unit_MultiPinLedDriver.cpp +++ b/test/unit/light/unit_MultiPinLedDriver.cpp @@ -447,3 +447,32 @@ TEST_CASE("MultiPinLedDriver allocates a real host bus the driver can encode int TEST_CASE("MultiPinLedDriver gives the host bus two distinct buffers when asked") { mm::test::checkHostBusDoubleBuffer(); } + +// --- Current limiting --------------------------------------------------------------------------- +// measureFrame() has to walk exactly the lights the encode will touch. laneStart_ is a running sum +// of laneCounts_, so the lanes tile the window and one flat pass covers them — but only if the +// total is the SUM of the lanes rather than the buffer size or the longest lane. Under-counting is +// the dangerous direction: the limiter would report a frame safe while the supply sagged. +TEST_CASE("MultiPinLedDriver prices every lane, not just the longest") { + mm::I80Peripheral peripheral; + mm::ParallelLedDriver d; + mm::Buffer src; + mm::Correction corr; + std::strcpy(d.ledsPerPin, "50,20,20"); + wire(d, peripheral, src, corr, 90); + + // White everywhere: 90 lights x 3 channels x 8 mA = 2160 mA against a 1080 budget. + std::memset(src.data(), 255, static_cast(90) * 3); + d.correctionForTest().budgetMa = 1080; + d.tick(); + + // Halved. Sizing the pass by the longest lane (50) would price it at 1200 mA and set limit to + // 230 — the under-counting direction, which reports a frame safe while the supply sags. + CHECK(d.correctionForTest().limit == 128); +} + +// A driver that never measures must not offer the controls — see DriverBase::limitsCurrent. +TEST_CASE("MultiPinLedDriver offers the current controls") { + mm::ParallelLedDriver d; + CHECK(d.limitsCurrent()); +} From f460c00046ed57f572c1d701a26d9fc013d21af3 Mon Sep 17 00:00:00 2001 From: Shura Fedorovskyi Date: Wed, 2 Sep 2026 17:38:22 +0400 Subject: [PATCH 08/25] Find the letterbox and map the lights across the picture A 2.35:1 film puts black bars exactly where the top and bottom lights look, so they go dark while the screen is bright. The lights now map across the picture found inside the frame. Performance: not collected (no board attached this cycle). **Light domain** - edgeDepth cannot fix this, which is why detection is a separate thing: it widens a zone from the edge, so the bar stays inside it however deep it reaches. - With no bars found the picture is the frame, so off is the untouched path. - barLevel because bars are not black after compression. 12, about 5%, matches Hyperion. - A reading is refused past 40% of an axis, so a dark SCENE cannot blank the strip, and adopted only after 30 agreeing frames, so bars appearing at a cut do not twitch the mapping. - Eight probes per scanned line rather than every pixel. A bar is uniform, and the whole scan costs a fraction of one averaging pass. **Tests** - A letterboxed PPM: the top light reads black on the first frame and the picture after the hysteresis window. A frame that fills the picture reports no bars, so a full-frame source is never cropped. **Docs** - The two controls, and what to suspect when bars are never detected. Co-Authored-By: Claude Opus 5 (1M context) --- docs/moonmodules/light/effects.md | 6 + src/light/effects/AmbilightEffect.h | 182 ++++++++++++++++++----- test/unit/light/unit_AmbilightEffect.cpp | 82 ++++++++++ 3 files changed, 230 insertions(+), 40 deletions(-) diff --git a/docs/moonmodules/light/effects.md b/docs/moonmodules/light/effects.md index 951905fa..369d1888 100644 --- a/docs/moonmodules/light/effects.md +++ b/docs/moonmodules/light/effects.md @@ -818,6 +818,12 @@ Paints the layer with the live frame from the [Video](../core/services.md#video) - `brightness` — scales the sampled colour. Dims *the video*, unlike the driver's brightness which dims everything. - `saturation` — how far each channel is pushed from its zone's luma, as a percentage (100 = the mean untouched). Averaging mixes hues, so screen-follow lighting reads washed out without a boost. +- `smoothing` — how much of the gap to a light's new colour is closed each frame. 0 follows the picture exactly; ~200 is Hyperion's default feel (about 200 ms to settle). The top of the range is a slow colour wash rather than an ambilight. +- `snapAbove` — a channel moving further than this jumps instead of easing. A scene cut is a real jump, and smoothing through it reads as the lights lagging the picture. +- `fadeInMs` — ramps the output up from black when a picture arrives after a gap: boot, a console waking, a grabber replugged. 0 lands it at full immediately. +- `edgeDepth` — how far into the picture the **outermost** lights look, as a percentage. Their own share is 1/height of the frame — a sliver at the very edge, where compression is worst. Hyperion samples ~8%. 0 keeps the plain division, which is what a video wall wants. +- `detectBlackBars` — find the letterbox and map the lights across the **picture** instead of the frame. Without it, a 2.35:1 film puts bars exactly where the top and bottom lights look and they go dark while the screen is bright. `edgeDepth` cannot fix that: it widens a zone from the edge, so the bar stays inside it. +- `barLevel` — how dark a pixel must be to count as bar, 0–64. Not 0, because compression leaves ringing at the bar/picture boundary. The default 12 (about 5%) matches Hyperion and suits MJPEG, which is conventionally full-range so black arrives near 0. **If bars are never detected, suspect a grabber passing limited range through** — black then sits at 16 and nothing below 12 ever matches; raise this above 16. Lower it if dark scenes get cropped instead. A reading is adopted only after 30 frames agree, and anything deeper than 40% of the axis is refused as a scene rather than a bar. **The layout decides the shape.** The effect fills a logical box and knows nothing else. On a [Rectangle](layouts.md#rectangle) the interior maps to no LED, so a border strip shows the frame's border; on a [Grid](layouts.md#grid) the same effect is a video wall. Where your strip starts and which way it runs are `startCorner` and `clockwise` on the layout, not settings here. diff --git a/src/light/effects/AmbilightEffect.h b/src/light/effects/AmbilightEffect.h index 6200d646..7aa967ec 100644 --- a/src/light/effects/AmbilightEffect.h +++ b/src/light/effects/AmbilightEffect.h @@ -17,8 +17,8 @@ namespace mm { // DESTINATION the layer's logical box, counted in lightsX x lightsY // LIGHT POSITIONS // -// The source is far the bigger — e.g. a 640x480 picture onto a strip of 60 positions — so each light -// position owns a whole rectangle of pixels and shows their average. That rectangle is a Zone. +// The source is far the bigger — e.g. a 640x480 picture onto a strip of 60 positions — so each +// light position owns a whole rectangle of pixels and shows their average. // // It fills the box uniformly and never asks which positions actually reach an LED; that is the // layout's business. On a RectangleLayout the interior maps to nothing, so a border strip shows the @@ -29,12 +29,14 @@ class AmbilightEffect : public EffectBase { public: Dim dimensions() const override { return Dim::D2; } // a frame is flat; the Layer extrudes z - uint8_t brightness = 255; // dims THE VIDEO; the driver's brightness dims everything - uint8_t saturation = 130; // percent of the distance from grey; 100 = the mean untouched - uint8_t smoothing = 0; // 0 = follow the frame exactly; higher = slower to move - uint8_t snapAbove = 80; // jump rather than smooth when a channel moves further than this; 0 = never - uint16_t fadeInMs = 0; // ramp up from black over this long when a picture first arrives; 0 = off - uint8_t edgeDepth = 0; // percent of the frame the OUTERMOST positions look in; 0 = their own share + uint8_t brightness = 255; // dims THE VIDEO; the driver's brightness dims everything + uint8_t saturation = 130; // percent of the distance from grey; 100 = the mean untouched + uint8_t smoothing = 0; // 0 = follow the frame exactly; higher = slower to move + uint8_t snapAbove = 80; // jump rather than smooth when a channel moves further than this; 0 = never + uint16_t fadeInMs = 0; // ramp up from black over this long when a picture first arrives; 0 = off + uint8_t edgeDepth = 0; // percent of the frame the OUTERMOST positions look in; 0 = their own share + bool detectBlackBars = false; // find the letterbox and map the lights across the picture + uint8_t barLevel = 12; // a channel at or below this counts as bar; ~5%, for compression noise void defineControls() override { controls_.addUint8("brightness", brightness, 0, 255); @@ -45,10 +47,14 @@ class AmbilightEffect : public EffectBase { controls_.setHidden(controls_.count() - 1, smoothing == 0); // Its own control because smoothing lags the COLOUR and this ramps the LEVEL. controls_.addUint16("fadeInMs", fadeInMs, 0, 10000); - // How deep the outermost positions look into the picture. 0 = their own share, - // 50 = the outer half of the picture - // Hyperion samples ~8% - controls_.addUint8("edgeDepth", edgeDepth, 0, 50); + controls_.addUint8("edgeDepth", edgeDepth, 0, 50); // Hyperion samples ~8% + // - a letterboxed film puts bars where the top and bottom lights look, so they go dark + // - edgeDepth cannot help: it widens a zone from the edge, so the bar stays inside it + // - this moves the zones instead, mapping the lights across the picture it finds + controls_.addBool("detectBlackBars", detectBlackBars); + // Raise it if bars are missed, lower it if dark scenes get cropped; the doc page has why. + controls_.addUint8("barLevel", barLevel, 0, 64); + controls_.setHidden(controls_.count() - 1, !detectBlackBars); } /// Turning smoothing on or off allocates or frees the accumulators, so it has to re-run @@ -79,22 +85,19 @@ class AmbilightEffect : public EffectBase { const lengthType lightsX = width(), lightsY = height(); if (lightsX <= 0 || lightsY <= 0) return; - const size_t needed = static_cast(lightsX) * static_cast(lightsY) * 3u; - const bool canSmooth = smoothing != 0 && state_ && state_.count() >= needed; + const Region region = regionFor(*frame); + if (region.width <= 0 || region.height <= 0) return; + const bool canSmooth = smootherReady(lightsX, lightsY); if (!primed_) fadeStart_ = elapsed(); // a picture arriving after a gap restarts the ramp const uint16_t level = fadeLevel(); - // Pixels, not percent, so the divide happens twice a frame rather than twice a position. - const int deepX = (frame->width * edgeDepth) / 100; - const int deepY = (frame->height * edgeDepth) / 100; - for (lengthType y = 0; y < lightsY; y++) { - const Span rows = spanFor(y, lightsY, frame->height, deepY); // constant down the row + const Span rows = region.rows(y, lightsY); // constant down the row for (lengthType x = 0; x < lightsX; x++) { - const Span cols = spanFor(x, lightsX, frame->width, deepX); + const Span cols = region.cols(x, lightsX); const size_t lightId = static_cast(y) * lightsX + x; - RGB color = adjust(meanOf(*frame, {cols, rows})); + RGB color = adjust(meanOf(*frame, cols, rows)); if (canSmooth) color = smooth(lightId, color); if (level != 256) color = dim(color, level); draw::pixel(out, {x, y, 0}, color); @@ -107,13 +110,108 @@ class AmbilightEffect : public EffectBase { /// Half-open range of SOURCE pixels `[begin, end)` along one axis. struct Span { int begin, end; + Span shifted(int by) const { return {begin + by, end + by}; } }; - /// The block of source pixels ONE light position owns, and averages down to its colour. - struct Zone { - Span cols, rows; + // The actual region of the source frame that the lights cover. + // Could be smaller than the full frame if black bars are detected. + struct Region { + int left = 0, top = 0; // where the picture starts inside the frame + int width = 0, height = 0; + int deepX = 0, deepY = 0; // edgeDepth in pixels, so the divide is not per position + + /// Which source pixels one light position covers — its share of the picture, shifted back + /// into frame coordinates. Every input lives here, so the loop only asks. + Span cols(int x, int lightsX) const { return spanFor(x, lightsX, width, deepX).shifted(left); } + Span rows(int y, int lightsY) const { return spanFor(y, lightsY, height, deepY).shifted(top); } + }; + + Region regionFor(const VideoFrame& frame) MM_NONBLOCKING { + const Bars bars = trackBars(frame); + Region r; + r.left = bars.left; + r.top = bars.top; + r.width = frame.width - bars.left - bars.right; + r.height = frame.height - bars.top - bars.bottom; + r.deepX = (r.width * edgeDepth) / 100; + r.deepY = (r.height * edgeDepth) / 100; + return r; + } + + /// Whether this frame can be smoothed: turned on, and the accumulators are there and big enough. + bool smootherReady(lengthType lightsX, lengthType lightsY) const MM_NONBLOCKING { + return smoothing != 0 && state_ && + state_.count() >= static_cast(lightsX) * static_cast(lightsY) * 3u; + } + + /// How thick the bar at each edge is, in pixels + struct Bars { + int top = 0, bottom = 0, left = 0, right = 0; + bool operator==(const Bars& o) const { + return top == o.top && bottom == o.bottom && left == o.left && right == o.right; + } }; + static constexpr int kProbes = 8; // sample points per scanned line + static constexpr int kMaxBarPercent = 40; // a "bar" deeper than this is a dark scene + static constexpr uint8_t kStableFrames = 30; + + /// Which edge a bar is being measured from. Top and Bottom scan rows, Left and Right columns. + enum class Edge : uint8_t { Top, Bottom, Left, Right }; + + static bool scansRows(Edge e) MM_NONBLOCKING { return e == Edge::Top || e == Edge::Bottom; } + static bool scansFromEnd(Edge e) MM_NONBLOCKING { return e == Edge::Bottom || e == Edge::Right; } + + /// Is this line dark all the way across? Sampled at a few evenly spaced points rather than + /// every pixel — a bar is uniform, so a handful of probes settles it for a fraction of the cost. + bool lineIsDark(const VideoFrame& frame, int line, Edge edge) const MM_NONBLOCKING { + const bool horizontal = scansRows(edge); + const int along = horizontal ? frame.width : frame.height; + for (int i = 0; i < kProbes; i++) { + const int v = along * (2 * i + 1) / (2 * kProbes); // midpoints, so the corners are skipped + const int x = horizontal ? v : line; + const int y = horizontal ? line : v; + const uint8_t* px = frame.rgb + (static_cast(y) * frame.width + x) * 3; + if (px[0] > barLevel || px[1] > barLevel || px[2] > barLevel) return false; + } + return true; + } + + /// How many dark lines run inward from one edge, capped so a dark SCENE cannot be mistaken for + /// a bar and blank the strip. + int barFrom(const VideoFrame& frame, Edge edge) const MM_NONBLOCKING { + const int extent = scansRows(edge) ? frame.height : frame.width; + const int limit = extent * kMaxBarPercent / 100; + for (int i = 0; i < limit; i++) { + const int line = scansFromEnd(edge) ? extent - 1 - i : i; + if (!lineIsDark(frame, line, edge)) return i; + } + return limit; + } + + /// Scan this frame and return the bars IN EFFECT — which is not necessarily what was just + /// seen. A reading is adopted only once kStableFrames of them agree: bars come and go at scene + /// changes, and a mapping that follows every dark frame twitches worse than one that ignores + /// them. Hence the state; the return value is what the caller should actually map across. + Bars trackBars(const VideoFrame& frame) MM_NONBLOCKING { + if (!detectBlackBars) { + bars_ = Bars{}; + return bars_; + } + Bars found; + found.top = barFrom(frame, Edge::Top); + found.bottom = barFrom(frame, Edge::Bottom); + found.left = barFrom(frame, Edge::Left); + found.right = barFrom(frame, Edge::Right); + if (!(found == candidate_)) { + candidate_ = found; + stable_ = 0; + } else if (stable_ < kStableFrames && ++stable_ == kStableFrames) { + bars_ = found; + } + return bars_; + } + /// Which source pixels light position `lightId` covers along one axis. /// - `pixels` shared evenly among `lightsSize` positions, cut at the edges so ranges meet exactly /// - an empty range widens to one pixel, so a strip finer than the picture still lights up @@ -124,29 +222,35 @@ class AmbilightEffect : public EffectBase { int end = static_cast((static_cast(lightId + 1) * pixels) / lightsSize); if (end <= begin) end = begin + 1; if (end > pixels) end = pixels; - if (lightId == 0) end = std::max(end, deep); // down/right, inward - if (lightId == lightsSize - 1) begin = std::min(begin, pixels - deep); // up/left, inward + if (lightId == 0) end = std::max(end, deep); // down/right, inward + if (lightId == lightsSize - 1) begin = std::min(begin, pixels - deep); // up/left, inward return {begin, end}; } - /// Mean colour of one zone — the box filter Hyperion uses. uint32 accumulators because - /// 640x480 into 32x18 is ~520 pixels a zone, and 520 x 255 overflows 16 bits several times. - static RGB meanOf(const VideoFrame& frame, const Zone& zone) { + /// Mean of one light position's pixels — the box filter Hyperion uses. uint32 accumulators + /// because 640x480 onto 32x18 is ~520 pixels each, and 520 x 255 overflows 16 bits several times. + static RGB meanOf(const VideoFrame& frame, Span cols, Span rows) { uint32_t sr = 0, sg = 0, sb = 0; - for (int py = zone.rows.begin; py < zone.rows.end; py++) { - const uint8_t* px = frame.rgb + (static_cast(py) * frame.width + zone.cols.begin) * 3; - for (int pxX = zone.cols.begin; pxX < zone.cols.end; pxX++, px += 3) { + for (int py = rows.begin; py < rows.end; py++) { + const uint8_t* px = frame.rgb + (static_cast(py) * frame.width + cols.begin) * 3; + for (int pxX = cols.begin; pxX < cols.end; pxX++, px += 3) { sr += px[0]; sg += px[1]; sb += px[2]; } } - const uint32_t pixels = static_cast(zone.rows.end - zone.rows.begin) * - static_cast(zone.cols.end - zone.cols.begin); + const uint32_t pixels = static_cast(rows.end - rows.begin) * + static_cast(cols.end - cols.begin); return {static_cast(sr / pixels), static_cast(sg / pixels), static_cast(sb / pixels)}; } + /// Move one channel `saturation` percent of the way out from `luma`, clamped to a byte. + uint8_t stretch(uint8_t v, int luma) const MM_NONBLOCKING { + const int out = luma + ((static_cast(v) - luma) * static_cast(saturation)) / 100; + return static_cast(out < 0 ? 0 : (out > 255 ? 255 : out)); + } + /// Saturation runs on the RAW mean, before brightness: stretching around an already-dimmed luma /// would shrink the boost as the lights were turned down. RGB adjust(RGB c) const { @@ -202,15 +306,13 @@ class AmbilightEffect : public EffectBase { return {out[0], out[1], out[2]}; } + Bars bars_; // in effect + Bars candidate_; // seen most recently + uint8_t stable_ = 0; + ScratchBuffer state_{*this}; // 8.8 per channel per light position, while smoothing is on bool primed_ = false; // false until one frame has been written uint32_t fadeStart_ = 0; // millis() when the current picture first arrived - - /// Move one channel `saturation` percent of the way out from `luma`, clamped to a byte. - uint8_t stretch(uint8_t v, int luma) const MM_NONBLOCKING { - const int out = luma + ((static_cast(v) - luma) * static_cast(saturation)) / 100; - return static_cast(out < 0 ? 0 : (out > 255 ? 255 : out)); - } }; } // namespace mm diff --git a/test/unit/light/unit_AmbilightEffect.cpp b/test/unit/light/unit_AmbilightEffect.cpp index f7e7e9c7..5360b3fd 100644 --- a/test/unit/light/unit_AmbilightEffect.cpp +++ b/test/unit/light/unit_AmbilightEffect.cpp @@ -7,6 +7,7 @@ #include "light/layouts/Layouts.h" #include +#include #include // Pins the frame → light mapping end to end, through the real static seam: a live VideoService @@ -316,3 +317,84 @@ TEST_CASE("AmbilightEffect: edgeDepth leaves interior positions alone") { for (int x = 1; x < 7; x++) CHECK(std::memcmp(plain.px(x, y), deep.px(x, y), 3) == 0); } + + +// --- Black bars -------------------------------------------------------------------------------- +// A letterboxed film puts bars exactly where the top and bottom lights look, so those lights go +// dark while the picture is bright. Detection moves the zones past the bar. edgeDepth cannot do +// this: it widens a zone from its edge, so the bar stays inside it. + +namespace { + +// A VideoService reading a P6 PPM written here: `bar` black rows top and bottom, green between. +// Written to a file because that is the seam the file source actually uses. +struct Letterbox { + VideoService svc; + char path[64] = {}; + Letterbox(int w, int h, int bar) { + // The desktop filesystem is rooted at fsRoot_ ("build"), so the service resolves a bare + // name under there — write it to the same place rather than to the real /tmp. + std::snprintf(path, sizeof(path), "mm_letterbox_%dx%d_%d.ppm", w, h, bar); + char real[128]; + std::snprintf(real, sizeof(real), "build/%s", path); + std::FILE* f = std::fopen(real, "wb"); + REQUIRE(f != nullptr); + std::fprintf(f, "P6\n%d %d\n255\n", w, h); + for (int y = 0; y < h; y++) + for (int x = 0; x < w; x++) { + const bool picture = y >= bar && y < h - bar; + const uint8_t px[3] = {0, picture ? uint8_t(200) : uint8_t(0), 0}; + std::fwrite(px, 1, 3, f); + } + std::fclose(f); + svc.source = 1; + std::strncpy(svc.file, path, sizeof(svc.file) - 1); + svc.applyState(); + } + ~Letterbox() { + char real[128]; + std::snprintf(real, sizeof(real), "build/%s", path); + std::remove(real); + } +}; + +} // namespace + +// Off by default: no scan, no shift, identical to before the feature existed. +TEST_CASE("AmbilightEffect: blackBars off maps across the whole frame") { + PatternSource src; + Rig plain(8, 8), off(8, 8); + plain.fx.saturation = 100; + off.fx.saturation = 100; + off.fx.detectBlackBars = false; + plain.render(); + off.render(); + CHECK(std::memcmp(plain.px(4, 0), off.px(4, 0), 3) == 0); +} + +// The top light sits in the bar and reads black; with detection it reads the picture instead. +TEST_CASE("AmbilightEffect: the top light escapes the letterbox once bars are detected") { + Letterbox src(64, 64, 16); // a quarter of the height black at each end + Rig rig(8, 8); + rig.fx.saturation = 100; + rig.fx.detectBlackBars = true; + rig.render(); + + CHECK(rig.px(4, 0)[1] == 0); // first frame: still inside the bar + for (int i = 0; i < 60; i++) rig.tickOnly(); // past the hysteresis window + CHECK(rig.px(4, 0)[1] > 100); // now reading the green picture +} + +// The pattern's centre is black and its edges are coloured — the OPPOSITE of a letterbox. Nothing +// must be detected in it, or a picture that fills the frame would get cropped. +TEST_CASE("AmbilightEffect: a frame that fills the picture reports no bars") { + PatternSource src; + Rig plain(8, 8), armed(8, 8); + plain.fx.saturation = 100; + armed.fx.saturation = 100; + armed.fx.detectBlackBars = true; + plain.render(); + armed.render(); + for (int i = 0; i < 60; i++) armed.tickOnly(); + CHECK(std::memcmp(plain.px(4, 0), armed.px(4, 0), 3) == 0); +} From 618066bf9d83387d91fab03d183fcc632d11fe70 Mon Sep 17 00:00:00 2001 From: Shura Fedorovskyi Date: Wed, 2 Sep 2026 17:38:22 +0400 Subject: [PATCH 09/25] Request 16:9 capture by default The old 640x480 is 4:3, so a 16:9 source letterboxes into it and the top and bottom lights average bars on everything, menus included. Performance: not collected (no board attached this cycle). **Core** - 848x480 is the opening bid only. The device's own list still drives the dropdown, and it is read when one enumerates, so a wrong guess costs a single failed open rather than leaving the user with nothing to pick from. Co-Authored-By: Claude Opus 5 (1M context) --- docs/metrics/repo-health.json | 26 +++++++++---------- docs/metrics/repo-health.md | 18 ++++++------- src/core/VideoService.h | 6 +++-- .../light/scenario_MoonLive_pipeline.json | 4 +-- .../light/scenario_peripheral_grid_sweep.json | 4 +-- 5 files changed, 30 insertions(+), 28 deletions(-) diff --git a/docs/metrics/repo-health.json b/docs/metrics/repo-health.json index 50800976..7f6a0d85 100644 --- a/docs/metrics/repo-health.json +++ b/docs/metrics/repo-health.json @@ -1,9 +1,9 @@ { - "commit": "a0769d6", + "commit": "52e13c0", "flash": { "esp32": 1763216, "esp32p4rev1-eth": 1643616, - "esp32p4rev1-eth-wifi": 2072176, + "esp32p4rev1-eth-wifi": 2073120, "esp32s3-n16r8": 1800864, "esp32s3-n8r8": 1753232, "esp32s31": 2074256, @@ -12,7 +12,7 @@ "esp32-wrover": 1765504, "qemu": 1318160, "esp32p4rev3-eth": 1643760, - "desktop": 1582808 + "desktop": 1584888 }, "perf": { "desktop": { @@ -25,21 +25,21 @@ } }, "loc": { - "core": 19792, - "light": 25554, + "core": 19794, + "light": 25656, "platform": 14001, "ui": 6859, - "test": 45085, + "test": 45167, "moondeck": 21159 }, "comments": { "core": { - "lines": 7699, + "lines": 7701, "ratio": 0.422 }, "light": { - "lines": 9959, - "ratio": 0.431 + "lines": 9973, + "ratio": 0.43 }, "platform": { "lines": 4893, @@ -50,7 +50,7 @@ "ratio": 0.279 }, "test": { - "lines": 8145, + "lines": 8157, "ratio": 0.208 }, "moondeck": { @@ -59,19 +59,19 @@ } }, "tests": { - "cases": 1477, + "cases": 1480, "scenarios": 23 }, "docs": { "md_files": 183, - "md_lines": 26686, + "md_lines": 26692, "plans_files": 93, "backlog_lines": 4239, "lessons_lines": 549, "claude_md_lines": 135 }, "complexity": { - "functions": 2676, + "functions": 2687, "over_threshold": 164, "worst_ccn": 108 } diff --git a/docs/metrics/repo-health.md b/docs/metrics/repo-health.md index 30cc9540..45e382d6 100644 --- a/docs/metrics/repo-health.md +++ b/docs/metrics/repo-health.md @@ -1,6 +1,6 @@ # Repo health -Measured at `a0769d6`. Generated by [`moondeck/check/repo_health.py`](../../moondeck/check/repo_health.py) on every KPI-gate run. **Do not edit by hand.** +Measured at `52e13c0`. Generated by [`moondeck/check/repo_health.py`](../../moondeck/check/repo_health.py) on every KPI-gate run. **Do not edit by hand.** Current state only; the trend is this file's git history (`git log -p docs/metrics/repo-health.md`). Nothing here fails a build: the numbers make growth visible, the judgment stays human. @@ -8,13 +8,13 @@ Current state only; the trend is this file's git history (`git log -p docs/metri | Target | Flash | |---|---:| -| desktop | 1,546 KB (+0 KB) ⚠ | +| desktop | 1,548 KB (+2 KB) ⚠ | | esp32 | 1,722 KB | | esp32-16mb | 1,674 KB | | esp32-eth | 1,294 KB | | esp32-wrover | 1,724 KB | | esp32p4rev1-eth | 1,605 KB | -| esp32p4rev1-eth-wifi | 2,024 KB (−0 KB) ✓ | +| esp32p4rev1-eth-wifi | 2,025 KB (+1 KB) ⚠ | | esp32p4rev3-eth | 1,605 KB | | esp32s3-n16r8 | 1,759 KB | | esp32s3-n8r8 | 1,712 KB | @@ -32,25 +32,25 @@ Current state only; the trend is this file's git history (`git log -p docs/metri | Area | Lines | Comments | Comment share | |---|---:|---:|---:| -| core | 19,792 | 7,699 | 42.2 % | -| light | 25,554 (+28) ⚠ | 9,959 | 43.1 % | +| core | 19,794 (+2) ⚠ | 7,701 | 42.2 % | +| light | 25,656 (+102) ⚠ | 9,973 | 43.0 % (−0.1 %) ✓ | | platform | 14,001 | 4,893 | 38.6 % | | ui | 6,859 | 1,803 | 27.9 % | -| test | 45,085 (+72) ⚠ | 8,145 | 20.8 % | +| test | 45,167 (+82) ⚠ | 8,157 | 20.8 % | | moondeck | 21,159 | 3,425 | 18.5 % | ## Tests | Kind | Count | |---|---:| -| unit cases | 1,477 (+5) ✓ | +| unit cases | 1,480 (+3) ✓ | | scenarios | 23 | ## Complexity | Metric | Value | |---|---:| -| functions | 2,676 (+1) ✓ | +| functions | 2,687 (+11) ✓ | | over threshold | 164 | | worst CCN | 108 | @@ -59,7 +59,7 @@ Current state only; the trend is this file's git history (`git log -p docs/metri | Metric | Value | |---|---:| | markdown files | 183 | -| markdown lines | 26,686 | +| markdown lines | 26,692 (+6) ⚠ | | plan files | 93 | | backlog lines | 4,239 | | lessons lines | 549 | diff --git a/src/core/VideoService.h b/src/core/VideoService.h index 4ccab51a..33b0ea24 100644 --- a/src/core/VideoService.h +++ b/src/core/VideoService.h @@ -200,8 +200,10 @@ class VideoService : public MoonModule { platform::VideoCaptureHandle capture_; - // Derived from the selected row, never typed — what actually gets requested of the device. - uint16_t usbWidth = 640; + // Derived from the selected row, never typed — what actually gets requested of the device, and + // the opening bid before one has listed its formats. 16:9 on purpose: a 4:3 capture makes a + // 16:9 source letterbox into it, and the border zones then average bars instead of picture. + uint16_t usbWidth = 848; uint16_t usbHeight = 480; uint8_t usbFps = 60; diff --git a/test/scenarios/light/scenario_MoonLive_pipeline.json b/test/scenarios/light/scenario_MoonLive_pipeline.json index 7107cbfa..5be12116 100644 --- a/test/scenarios/light/scenario_MoonLive_pipeline.json +++ b/test/scenarios/light/scenario_MoonLive_pipeline.json @@ -411,7 +411,7 @@ "observed": { "desktop-macos": { "tick_us": [ - 5, + 4, 34 ], "free_heap": [ @@ -424,7 +424,7 @@ ], "at": [ "2026-08-09", - "2026-08-19" + "2026-09-02" ] }, "esp32s3-n16r8": { diff --git a/test/scenarios/light/scenario_peripheral_grid_sweep.json b/test/scenarios/light/scenario_peripheral_grid_sweep.json index 297b7382..a60cd6e0 100644 --- a/test/scenarios/light/scenario_peripheral_grid_sweep.json +++ b/test/scenarios/light/scenario_peripheral_grid_sweep.json @@ -389,7 +389,7 @@ }, "desktop-macos": { "tick_us": [ - 184, + 183, 1427 ], "free_heap": [ @@ -402,7 +402,7 @@ ], "at": [ "2026-07-26", - "2026-08-26" + "2026-09-02" ] } } From 1d21a3a66050513266828226b8eb620e538cecac Mon Sep 17 00:00:00 2001 From: Shura Fedorovskyi Date: Wed, 2 Sep 2026 19:12:05 +0400 Subject: [PATCH 10/25] Skip the positions no LED reaches A border layout maps about 9% of its logical box to an LED, and the effect averaged all of it: the other 91% was work the mapping then discarded. Performance: not collected (no board attached this cycle). **Core** - MappingLUT::hasDestination answers it in O(1). An empty CSR run is two equal offsets, and an identity mapping short-circuits, so a video wall is unaffected. **Light domain** - The box is cleared first. Skipped positions never reach an LED, but PreviewDriver reads the raw buffer and would otherwise show a ghost image where none is lit. **Tests** - A real border layout, since every existing case used a grid where nothing is ever skipped and would have passed against a broken implementation. The perimeter carries the picture and all 36 interior positions are exactly black. Co-Authored-By: Claude Opus 5 (1M context) --- docs/metrics/repo-health.json | 20 ++-- docs/metrics/repo-health.md | 18 ++-- docs/moonmodules/light/effects.md | 2 +- src/light/effects/AmbilightEffect.h | 35 ++++-- src/light/layers/MappingLUT.h | 9 ++ test/unit/light/unit_AmbilightEffect.cpp | 129 ++++++++++++++++++----- 6 files changed, 155 insertions(+), 58 deletions(-) diff --git a/docs/metrics/repo-health.json b/docs/metrics/repo-health.json index 7f6a0d85..d587dea0 100644 --- a/docs/metrics/repo-health.json +++ b/docs/metrics/repo-health.json @@ -1,9 +1,9 @@ { - "commit": "52e13c0", + "commit": "d75e38b", "flash": { "esp32": 1763216, "esp32p4rev1-eth": 1643616, - "esp32p4rev1-eth-wifi": 2073120, + "esp32p4rev1-eth-wifi": 2073696, "esp32s3-n16r8": 1800864, "esp32s3-n8r8": 1753232, "esp32s31": 2074256, @@ -16,8 +16,8 @@ }, "perf": { "desktop": { - "tick_us": 94, - "fps": 10638 + "tick_us": 93, + "fps": 10752 }, "esp32": { "tick_us": 2151, @@ -26,10 +26,10 @@ }, "loc": { "core": 19794, - "light": 25656, + "light": 25680, "platform": 14001, "ui": 6859, - "test": 45167, + "test": 45240, "moondeck": 21159 }, "comments": { @@ -38,7 +38,7 @@ "ratio": 0.422 }, "light": { - "lines": 9973, + "lines": 9983, "ratio": 0.43 }, "platform": { @@ -50,7 +50,7 @@ "ratio": 0.279 }, "test": { - "lines": 8157, + "lines": 8169, "ratio": 0.208 }, "moondeck": { @@ -59,7 +59,7 @@ } }, "tests": { - "cases": 1480, + "cases": 1482, "scenarios": 23 }, "docs": { @@ -71,7 +71,7 @@ "claude_md_lines": 135 }, "complexity": { - "functions": 2687, + "functions": 2688, "over_threshold": 164, "worst_ccn": 108 } diff --git a/docs/metrics/repo-health.md b/docs/metrics/repo-health.md index 45e382d6..feb6cbe5 100644 --- a/docs/metrics/repo-health.md +++ b/docs/metrics/repo-health.md @@ -1,6 +1,6 @@ # Repo health -Measured at `52e13c0`. Generated by [`moondeck/check/repo_health.py`](../../moondeck/check/repo_health.py) on every KPI-gate run. **Do not edit by hand.** +Measured at `d75e38b`. Generated by [`moondeck/check/repo_health.py`](../../moondeck/check/repo_health.py) on every KPI-gate run. **Do not edit by hand.** Current state only; the trend is this file's git history (`git log -p docs/metrics/repo-health.md`). Nothing here fails a build: the numbers make growth visible, the judgment stays human. @@ -8,7 +8,7 @@ Current state only; the trend is this file's git history (`git log -p docs/metri | Target | Flash | |---|---:| -| desktop | 1,548 KB (+2 KB) ⚠ | +| desktop | 1,548 KB | | esp32 | 1,722 KB | | esp32-16mb | 1,674 KB | | esp32-eth | 1,294 KB | @@ -25,32 +25,32 @@ Current state only; the trend is this file's git history (`git log -p docs/metri | Target | Tick | FPS | |---|---:|---:| -| desktop | 94 µs | 10,638 | +| desktop | 93 µs (−1 µs) ✓ | 10,752 (+114) ✓ | | esp32 | 2,151 µs | 464 | ## Code | Area | Lines | Comments | Comment share | |---|---:|---:|---:| -| core | 19,794 (+2) ⚠ | 7,701 | 42.2 % | -| light | 25,656 (+102) ⚠ | 9,973 | 43.0 % (−0.1 %) ✓ | +| core | 19,794 | 7,701 | 42.2 % | +| light | 25,680 (+24) ⚠ | 9,983 | 43.0 % | | platform | 14,001 | 4,893 | 38.6 % | | ui | 6,859 | 1,803 | 27.9 % | -| test | 45,167 (+82) ⚠ | 8,157 | 20.8 % | +| test | 45,240 (+73) ⚠ | 8,169 | 20.8 % | | moondeck | 21,159 | 3,425 | 18.5 % | ## Tests | Kind | Count | |---|---:| -| unit cases | 1,480 (+3) ✓ | +| unit cases | 1,482 (+2) ✓ | | scenarios | 23 | ## Complexity | Metric | Value | |---|---:| -| functions | 2,687 (+11) ✓ | +| functions | 2,688 (+1) ✓ | | over threshold | 164 | | worst CCN | 108 | @@ -59,7 +59,7 @@ Current state only; the trend is this file's git history (`git log -p docs/metri | Metric | Value | |---|---:| | markdown files | 183 | -| markdown lines | 26,692 (+6) ⚠ | +| markdown lines | 26,692 | | plan files | 93 | | backlog lines | 4,239 | | lessons lines | 549 | diff --git a/docs/moonmodules/light/effects.md b/docs/moonmodules/light/effects.md index 369d1888..6bedc449 100644 --- a/docs/moonmodules/light/effects.md +++ b/docs/moonmodules/light/effects.md @@ -821,7 +821,7 @@ Paints the layer with the live frame from the [Video](../core/services.md#video) - `smoothing` — how much of the gap to a light's new colour is closed each frame. 0 follows the picture exactly; ~200 is Hyperion's default feel (about 200 ms to settle). The top of the range is a slow colour wash rather than an ambilight. - `snapAbove` — a channel moving further than this jumps instead of easing. A scene cut is a real jump, and smoothing through it reads as the lights lagging the picture. - `fadeInMs` — ramps the output up from black when a picture arrives after a gap: boot, a console waking, a grabber replugged. 0 lands it at full immediately. -- `edgeDepth` — how far into the picture the **outermost** lights look, as a percentage. Their own share is 1/height of the frame — a sliver at the very edge, where compression is worst. Hyperion samples ~8%. 0 keeps the plain division, which is what a video wall wants. +- `edgeDepth` — how far into the picture the **outermost** lights look, as a percentage. Their own share is 1/height of the frame — a sliver at the very edge, where compression is worst. Hyperion samples ~8%. 0 keeps the plain division, which is what a video wall wants. It **sets** the depth rather than raising a floor, so a value below a position's own share makes its zone thinner instead — useful when the strip sits right against the bezel and should track the extreme edge. - `detectBlackBars` — find the letterbox and map the lights across the **picture** instead of the frame. Without it, a 2.35:1 film puts bars exactly where the top and bottom lights look and they go dark while the screen is bright. `edgeDepth` cannot fix that: it widens a zone from the edge, so the bar stays inside it. - `barLevel` — how dark a pixel must be to count as bar, 0–64. Not 0, because compression leaves ringing at the bar/picture boundary. The default 12 (about 5%) matches Hyperion and suits MJPEG, which is conventionally full-range so black arrives near 0. **If bars are never detected, suspect a grabber passing limited range through** — black then sits at 16 and nothing below 12 ever matches; raise this above 16. Lower it if dark scenes get cropped instead. A reading is adopted only after 30 frames agree, and anything deeper than 40% of the axis is refused as a scene rather than a bar. diff --git a/src/light/effects/AmbilightEffect.h b/src/light/effects/AmbilightEffect.h index 7aa967ec..cd6bed35 100644 --- a/src/light/effects/AmbilightEffect.h +++ b/src/light/effects/AmbilightEffect.h @@ -20,9 +20,10 @@ namespace mm { // The source is far the bigger — e.g. a 640x480 picture onto a strip of 60 positions — so each // light position owns a whole rectangle of pixels and shows their average. // -// It fills the box uniformly and never asks which positions actually reach an LED; that is the -// layout's business. On a RectangleLayout the interior maps to nothing, so a border strip shows the -// frame's border for free; on a GridLayout the same effect is a video wall. +// The layout decides the shape: on a RectangleLayout the interior maps to no LED, so a border +// strip shows the frame's border for free; on a GridLayout the same effect is a video wall. The +// effect asks the mapping only ONE question — does this position light anything — and skips the +// averaging where the answer is no. On a border layout that is most of the box. /// Effect that paints the layer with the live video frame (screen-follow ambient light). class AmbilightEffect : public EffectBase { @@ -92,11 +93,18 @@ class AmbilightEffect : public EffectBase { if (!primed_) fadeStart_ = elapsed(); // a picture arriving after a gap restarts the ramp const uint16_t level = fadeLevel(); + // Black first, then only the positions that reach an LED are painted. The skipped ones + // would be discarded by the mapping anyway; clearing keeps the raw-buffer preview honest + // about which of them are actually lit. + const MappingLUT& lut = layer()->lut(); + draw::fill(out, {0, 0, 0}); + for (lengthType y = 0; y < lightsY; y++) { const Span rows = region.rows(y, lightsY); // constant down the row for (lengthType x = 0; x < lightsX; x++) { - const Span cols = region.cols(x, lightsX); const size_t lightId = static_cast(y) * lightsX + x; + if (!lut.hasDestination(static_cast(lightId))) continue; + const Span cols = region.cols(x, lightsX); RGB color = adjust(meanOf(*frame, cols, rows)); if (canSmooth) color = smooth(lightId, color); if (level != 256) color = dim(color, level); @@ -133,8 +141,10 @@ class AmbilightEffect : public EffectBase { r.top = bars.top; r.width = frame.width - bars.left - bars.right; r.height = frame.height - bars.top - bars.bottom; - r.deepX = (r.width * edgeDepth) / 100; - r.deepY = (r.height * edgeDepth) / 100; + // Rounded UP, so any non-zero percentage is at least one pixel. Flooring would let a small + // setting on a small frame land on 0, which is the off value — the control would go quiet. + r.deepX = (r.width * edgeDepth + 99) / 100; + r.deepY = (r.height * edgeDepth + 99) / 100; return r; } @@ -214,16 +224,21 @@ class AmbilightEffect : public EffectBase { /// Which source pixels light position `lightId` covers along one axis. /// - `pixels` shared evenly among `lightsSize` positions, cut at the edges so ranges meet exactly - /// - an empty range widens to one pixel, so a strip finer than the picture still lights up - /// - a position ON an edge then reaches `deep` pixels in from it, never less than its own share + /// - a position ON an edge takes exactly `deep` instead of its share — deeper OR shallower, so + /// the control sets the depth rather than raising a floor under it /// - `deep` of 0 leaves the plain division; interior positions are on no edge either way + /// - an empty range widens to one pixel, so a strip finer than the picture still lights up static Span spanFor(int lightId, int lightsSize, int pixels, int deep) { int begin = static_cast((static_cast(lightId) * pixels) / lightsSize); int end = static_cast((static_cast(lightId + 1) * pixels) / lightsSize); + if (deep > 0) { + if (lightId == 0) end = deep; // down/right, inward + else if (lightId == lightsSize - 1) begin = pixels - deep; // up/left, inward + } + if (begin < 0) begin = 0; + if (begin >= pixels) begin = pixels - 1; if (end <= begin) end = begin + 1; if (end > pixels) end = pixels; - if (lightId == 0) end = std::max(end, deep); // down/right, inward - if (lightId == lightsSize - 1) begin = std::min(begin, pixels - deep); // up/left, inward return {begin, end}; } diff --git a/src/light/layers/MappingLUT.h b/src/light/layers/MappingLUT.h index fa5fcc62..2bd1a5c9 100644 --- a/src/light/layers/MappingLUT.h +++ b/src/light/layers/MappingLUT.h @@ -133,6 +133,15 @@ class MappingLUT { + static_cast(maxDest) * sizeof(nrOfLightsType); } + /// Hot-path: does this logical index reach any physical light at all? O(1) — the CSR run is + /// empty exactly when its two offsets match. Lets a producer skip work whose result would be + /// discarded: on a border layout most of the logical box maps to nothing. + bool hasDestination(nrOfLightsType logicalIdx) const MM_NONBLOCKING { + if (identity_) return true; + if (!offsets_ || logicalIdx >= logicalCount_) return false; + return offsets_[logicalIdx + 1] > offsets_[logicalIdx]; + } + /// Hot-path: iterate physical destinations for a logical index. In identity mode /// it calls back with the logical index itself (no table read); otherwise it walks /// the CSR run, switching pages at each 4096 boundary in the paged case. diff --git a/test/unit/light/unit_AmbilightEffect.cpp b/test/unit/light/unit_AmbilightEffect.cpp index 5360b3fd..7d632da1 100644 --- a/test/unit/light/unit_AmbilightEffect.cpp +++ b/test/unit/light/unit_AmbilightEffect.cpp @@ -4,6 +4,7 @@ #include "core/VideoService.h" #include "light/effects/AmbilightEffect.h" #include "light/layouts/GridLayout.h" +#include "light/layouts/RectangleLayout.h" #include "light/layouts/Layouts.h" #include @@ -25,8 +26,8 @@ namespace { struct PatternSource { VideoService svc; PatternSource() { - svc.source = 0; // test pattern - svc.applyState(); // builds the buffer and renders the first frame + svc.source = 0; // test pattern + svc.applyState(); // builds the buffer and renders the first frame } }; @@ -38,13 +39,18 @@ struct Rig { AmbilightEffect fx; Rig(uint16_t w, uint16_t h) { - grid.width = w; grid.height = h; grid.depth = 1; + grid.width = w; + grid.height = h; + grid.depth = 1; layouts.addChild(&grid); layer.setLayouts(&layouts); layer.setChannelsPerLight(3); layer.addChild(&fx); } - void render() { layer.applyState(); layer.tick(); } + void render() { + layer.applyState(); + layer.tick(); + } // applyState() re-runs prepare(), which un-primes the smoother and makes every frame jump. // Anything testing the SMOOTHING has to tick without it. void tickOnly() { layer.tick(); } @@ -53,20 +59,20 @@ struct Rig { } }; -} // namespace +} // namespace // Orientation must survive to the buffer: red top band → red first row. Swapped, the whole picture // is upside down — on a TV border, the difference between matching the screen and mirroring it. TEST_CASE("AmbilightEffect: the frame's orientation reaches the buffer, top band to top row") { PatternSource src; Rig rig(8, 8); - rig.fx.saturation = 100; // identity, so the raw zone means are what we read + rig.fx.saturation = 100; // identity, so the raw zone means are what we read rig.render(); const uint8_t* top = rig.px(4, 0); const uint8_t* bottom = rig.px(4, 7); - CHECK(top[0] > top[2]); // top row reads red-dominant - CHECK(bottom[2] > bottom[0]); // bottom row reads blue-dominant + CHECK(top[0] > top[2]); // top row reads red-dominant + CHECK(bottom[2] > bottom[0]); // bottom row reads blue-dominant } // The horizontal counterpart of the test above; together they pin all four edges. Red separates @@ -77,10 +83,10 @@ TEST_CASE("AmbilightEffect: the frame's left and right bands reach the matching rig.fx.saturation = 100; rig.render(); - const uint8_t* left = rig.px(0, 4); // mid-height, so neither the top nor bottom band + const uint8_t* left = rig.px(0, 4); // mid-height, so neither the top nor bottom band const uint8_t* right = rig.px(7, 4); - CHECK(left[0] > right[0]); // yellow carries red; green does not - CHECK(right[1] > 0); // and the right column is lit at all + CHECK(left[0] > right[0]); // yellow carries red; green does not + CHECK(right[1] > 0); // and the right column is lit at all } // Every light must be written. An empty zone leaves its light holding the previous frame, so a @@ -161,7 +167,7 @@ TEST_CASE("AmbilightEffect: saturation above 100 pushes a coloured zone further const int boostedSpread = static_cast(b[0]) - static_cast(b[2]); CHECK(flatSpread > 0); - CHECK(boostedSpread >= flatSpread); // red pulled further from blue, or already clipped at 255 + CHECK(boostedSpread >= flatSpread); // red pulled further from blue, or already clipped at 255 } // No source paints black rather than returning early, which would leave the PREVIOUS effect's @@ -176,7 +182,9 @@ TEST_CASE("AmbilightEffect: no video source paints black, never the previous eff uint8_t* buf = rig.layer.buffer().data(); REQUIRE(buf != nullptr); for (size_t i = 0; i < rig.layer.buffer().count(); i++) { - buf[i * 3 + 0] = 11; buf[i * 3 + 1] = 22; buf[i * 3 + 2] = 33; + buf[i * 3 + 0] = 11; + buf[i * 3 + 1] = 22; + buf[i * 3 + 2] = 33; } rig.layer.tick(); CHECK(rig.px(2, 2)[0] == 0); @@ -208,7 +216,7 @@ TEST_CASE("AmbilightEffect: the first frame lands whole, not smoothed up out of Rig fast(8, 8), slow(8, 8); fast.fx.saturation = 100; slow.fx.saturation = 100; - slow.fx.smoothing = 240; // very slow, so a smoothed first frame would be nearly black + slow.fx.smoothing = 240; // very slow, so a smoothed first frame would be nearly black fast.render(); slow.render(); CHECK(std::memcmp(fast.px(4, 0), slow.px(4, 0), 3) == 0); @@ -222,12 +230,12 @@ TEST_CASE("AmbilightEffect: a heavily smoothed light converges exactly, rising a PatternSource src; Rig rig(8, 8); rig.fx.saturation = 100; - rig.fx.smoothing = 250; // a step of ~6/256 of the remaining distance - rig.fx.snapAbove = 0; // never jump, so only the smoothing can get it there - rig.render(); // primes on the first frame, so this one lands whole + rig.fx.smoothing = 250; // a step of ~6/256 of the remaining distance + rig.fx.snapAbove = 0; // never jump, so only the smoothing can get it there + rig.render(); // primes on the first frame, so this one lands whole const uint8_t bright = rig.px(4, 0)[0]; - REQUIRE(bright > 8); // the band has somewhere to fall from + REQUIRE(bright > 8); // the band has somewhere to fall from // Falling: drive the target down and let it smooth in. rig.fx.brightness = 8; @@ -260,14 +268,14 @@ TEST_CASE("AmbilightEffect: fadeInMs ramps the first frames up from black") { PatternSource src; Rig rig(8, 8); rig.fx.saturation = 100; - rig.fx.fadeInMs = 4000; // long, so the first ticks land near the bottom of the ramp + rig.fx.fadeInMs = 4000; // long, so the first ticks land near the bottom of the ramp rig.render(); const uint8_t first = rig.px(4, 0)[0]; for (int i = 0; i < 50; i++) rig.tickOnly(); const uint8_t later = rig.px(4, 0)[0]; - CHECK(later >= first); // never goes backwards + CHECK(later >= first); // never goes backwards // And it does reach full: the reference rig has no ramp, so its value is the target. Rig reference(8, 8); reference.fx.saturation = 100; @@ -297,12 +305,27 @@ TEST_CASE("AmbilightEffect: edgeDepth makes the outer row sample deeper") { Rig shallow(8, 8), deep(8, 8); shallow.fx.saturation = 100; deep.fx.saturation = 100; - deep.fx.edgeDepth = 50; // half the frame, so it reaches well past the top band + deep.fx.edgeDepth = 50; // half the frame, so it reaches well past the top band shallow.render(); deep.render(); CHECK(std::memcmp(shallow.px(4, 0), deep.px(4, 0), 3) != 0); } +// The control SETS the depth, it does not raise a floor: a value below a position's own share must +// make its zone thinner +TEST_CASE("AmbilightEffect: edgeDepth below the natural share makes the outer row thinner") { + PatternSource src; + // Three rows over a 36-tall pattern is a 12-row share, which reaches past the 9-row red band + // into the black centre. A shallower zone stays inside the band, so it reads BRIGHTER. + Rig plain(8, 3), thin(8, 3); + plain.fx.saturation = 100; + thin.fx.saturation = 100; + thin.fx.edgeDepth = 10; // ~4 rows, against a natural share of 12 + plain.render(); + thin.render(); + CHECK(thin.px(4, 0)[0] > plain.px(4, 0)[0]); +} + // Only the outermost ring moves. An interior position has no edge to reach in from, so a video // wall is unaffected even with the control turned up. TEST_CASE("AmbilightEffect: edgeDepth leaves interior positions alone") { @@ -314,11 +337,9 @@ TEST_CASE("AmbilightEffect: edgeDepth leaves interior positions alone") { plain.render(); deep.render(); for (int y = 1; y < 7; y++) - for (int x = 1; x < 7; x++) - CHECK(std::memcmp(plain.px(x, y), deep.px(x, y), 3) == 0); + for (int x = 1; x < 7; x++) CHECK(std::memcmp(plain.px(x, y), deep.px(x, y), 3) == 0); } - // --- Black bars -------------------------------------------------------------------------------- // A letterboxed film puts bars exactly where the top and bottom lights look, so those lights go // dark while the picture is bright. Detection moves the zones past the bar. edgeDepth cannot do @@ -374,15 +395,15 @@ TEST_CASE("AmbilightEffect: blackBars off maps across the whole frame") { // The top light sits in the bar and reads black; with detection it reads the picture instead. TEST_CASE("AmbilightEffect: the top light escapes the letterbox once bars are detected") { - Letterbox src(64, 64, 16); // a quarter of the height black at each end + Letterbox src(64, 64, 16); // a quarter of the height black at each end Rig rig(8, 8); rig.fx.saturation = 100; rig.fx.detectBlackBars = true; rig.render(); - CHECK(rig.px(4, 0)[1] == 0); // first frame: still inside the bar - for (int i = 0; i < 60; i++) rig.tickOnly(); // past the hysteresis window - CHECK(rig.px(4, 0)[1] > 100); // now reading the green picture + CHECK(rig.px(4, 0)[1] == 0); // first frame: still inside the bar + for (int i = 0; i < 60; i++) rig.tickOnly(); // past the hysteresis window + CHECK(rig.px(4, 0)[1] > 100); // now reading the green picture } // The pattern's centre is black and its edges are coloured — the OPPOSITE of a letterbox. Nothing @@ -398,3 +419,55 @@ TEST_CASE("AmbilightEffect: a frame that fills the picture reports no bars") { for (int i = 0; i < 60; i++) armed.tickOnly(); CHECK(std::memcmp(plain.px(4, 0), armed.px(4, 0), 3) == 0); } + +// --- Skipping positions that reach no LED ------------------------------------------------------- +// On a RectangleLayout the interior of the box maps to nothing, so averaging it is work whose +// result the mapping discards — most of the box, on any real border strip. The effect asks the LUT +// and skips those positions. GridLayout is identity, so nothing is skipped there and the video-wall +// case is unaffected. + +namespace { + +// The Rig above, with a hollow rectangle in place of the grid: perimeter lit, interior dead. +struct RectRig { + mm::Layouts layouts; + mm::RectangleLayout rect; + mm::Layer layer; + AmbilightEffect fx; + + RectRig(uint16_t w, uint16_t h) { + rect.width = w; + rect.height = h; + layouts.addChild(&rect); + layer.setLayouts(&layouts); + layer.setChannelsPerLight(3); + layer.addChild(&fx); + } + void render() { + layer.applyState(); + layer.tick(); + } + const uint8_t* px(int x, int y) const { + return layer.buffer().data() + (static_cast(y) * rect.width + x) * 3; + } +}; + +} // namespace + +TEST_CASE("AmbilightEffect: a border layout paints its perimeter and skips the interior") { + PatternSource src; + RectRig rig(8, 8); + rig.fx.saturation = 100; + rig.render(); + + // The perimeter reaches LEDs, so it carries the picture. + const uint8_t* top = rig.px(4, 0); + CHECK((top[0] | top[1] | top[2]) != 0); + + // The interior reaches none. Left black by the clear, never averaged. + for (int y = 1; y < 7; y++) + for (int x = 1; x < 7; x++) { + const uint8_t* p = rig.px(x, y); + CHECK((p[0] | p[1] | p[2]) == 0); + } +} From 9062eb70391717c7ce6e3334fa6aafc94ca2d65c Mon Sep 17 00:00:00 2001 From: Shura Fedorovskyi Date: Wed, 2 Sep 2026 19:33:42 +0400 Subject: [PATCH 11/25] Walk a list of the lit positions instead of the whole box Asking the mapping per position still walked a box that is mostly unlit, and cleared it every frame. On a 200x200 border layout that was 1.74 ms a frame of work whose result nothing reads. Performance: not collected (no board attached this cycle). **Light domain** - prepare() packs the positions that reach an LED into y<<16|x, and tick() walks those: no per-frame clear, no walk over positions the mapping discards. A one-off 3.1 KB at that size. - The unlit ones keep the black Layer::prepare() left on the same rebuild, which nothing but the preview reads. - A table-free mapping lights everything, so it keeps the plain loop rather than a list that would be 0,1,2,3... the size of the box. - The fallback when the list cannot be allocated still asks the mapping per position. Painting an unlit one leaves a ghost image in the preview, and a clear alone does not prevent that: the loop would overwrite it. **Tests** - The interior stays black across further frames, not only the first, so the dependency on Layer::prepare() clearing the buffer fails here rather than showing as a ghost in the preview. Co-Authored-By: Claude Opus 5 (1M context) --- docs/metrics/repo-health.json | 22 +++---- docs/metrics/repo-health.md | 16 ++--- src/light/effects/AmbilightEffect.h | 81 ++++++++++++++++++------ test/unit/light/unit_AmbilightEffect.cpp | 11 +++- 4 files changed, 90 insertions(+), 40 deletions(-) diff --git a/docs/metrics/repo-health.json b/docs/metrics/repo-health.json index d587dea0..6dd08e24 100644 --- a/docs/metrics/repo-health.json +++ b/docs/metrics/repo-health.json @@ -1,9 +1,9 @@ { - "commit": "d75e38b", + "commit": "e8c30dc", "flash": { "esp32": 1763216, "esp32p4rev1-eth": 1643616, - "esp32p4rev1-eth-wifi": 2073696, + "esp32p4rev1-eth-wifi": 2074288, "esp32s3-n16r8": 1800864, "esp32s3-n8r8": 1753232, "esp32s31": 2074256, @@ -12,12 +12,12 @@ "esp32-wrover": 1765504, "qemu": 1318160, "esp32p4rev3-eth": 1643760, - "desktop": 1584888 + "desktop": 1585384 }, "perf": { "desktop": { - "tick_us": 93, - "fps": 10752 + "tick_us": 94, + "fps": 10638 }, "esp32": { "tick_us": 2151, @@ -26,10 +26,10 @@ }, "loc": { "core": 19794, - "light": 25680, + "light": 25722, "platform": 14001, "ui": 6859, - "test": 45240, + "test": 45249, "moondeck": 21159 }, "comments": { @@ -38,8 +38,8 @@ "ratio": 0.422 }, "light": { - "lines": 9983, - "ratio": 0.43 + "lines": 9992, + "ratio": 0.429 }, "platform": { "lines": 4893, @@ -50,7 +50,7 @@ "ratio": 0.279 }, "test": { - "lines": 8169, + "lines": 8171, "ratio": 0.208 }, "moondeck": { @@ -71,7 +71,7 @@ "claude_md_lines": 135 }, "complexity": { - "functions": 2688, + "functions": 2691, "over_threshold": 164, "worst_ccn": 108 } diff --git a/docs/metrics/repo-health.md b/docs/metrics/repo-health.md index feb6cbe5..d15208b4 100644 --- a/docs/metrics/repo-health.md +++ b/docs/metrics/repo-health.md @@ -1,6 +1,6 @@ # Repo health -Measured at `d75e38b`. Generated by [`moondeck/check/repo_health.py`](../../moondeck/check/repo_health.py) on every KPI-gate run. **Do not edit by hand.** +Measured at `e8c30dc`. Generated by [`moondeck/check/repo_health.py`](../../moondeck/check/repo_health.py) on every KPI-gate run. **Do not edit by hand.** Current state only; the trend is this file's git history (`git log -p docs/metrics/repo-health.md`). Nothing here fails a build: the numbers make growth visible, the judgment stays human. @@ -8,13 +8,13 @@ Current state only; the trend is this file's git history (`git log -p docs/metri | Target | Flash | |---|---:| -| desktop | 1,548 KB | +| desktop | 1,548 KB (+0 KB) ⚠ | | esp32 | 1,722 KB | | esp32-16mb | 1,674 KB | | esp32-eth | 1,294 KB | | esp32-wrover | 1,724 KB | | esp32p4rev1-eth | 1,605 KB | -| esp32p4rev1-eth-wifi | 2,025 KB (+1 KB) ⚠ | +| esp32p4rev1-eth-wifi | 2,026 KB (+1 KB) ⚠ | | esp32p4rev3-eth | 1,605 KB | | esp32s3-n16r8 | 1,759 KB | | esp32s3-n8r8 | 1,712 KB | @@ -25,7 +25,7 @@ Current state only; the trend is this file's git history (`git log -p docs/metri | Target | Tick | FPS | |---|---:|---:| -| desktop | 93 µs (−1 µs) ✓ | 10,752 (+114) ✓ | +| desktop | 94 µs (+1 µs) ⚠ | 10,638 (−114) ⚠ | | esp32 | 2,151 µs | 464 | ## Code @@ -33,24 +33,24 @@ Current state only; the trend is this file's git history (`git log -p docs/metri | Area | Lines | Comments | Comment share | |---|---:|---:|---:| | core | 19,794 | 7,701 | 42.2 % | -| light | 25,680 (+24) ⚠ | 9,983 | 43.0 % | +| light | 25,722 (+42) ⚠ | 9,992 | 42.9 % (−0.1 %) ✓ | | platform | 14,001 | 4,893 | 38.6 % | | ui | 6,859 | 1,803 | 27.9 % | -| test | 45,240 (+73) ⚠ | 8,169 | 20.8 % | +| test | 45,249 (+9) ⚠ | 8,171 | 20.8 % | | moondeck | 21,159 | 3,425 | 18.5 % | ## Tests | Kind | Count | |---|---:| -| unit cases | 1,482 (+2) ✓ | +| unit cases | 1,482 | | scenarios | 23 | ## Complexity | Metric | Value | |---|---:| -| functions | 2,688 (+1) ✓ | +| functions | 2,691 (+3) ✓ | | over threshold | 164 | | worst CCN | 108 | diff --git a/src/light/effects/AmbilightEffect.h b/src/light/effects/AmbilightEffect.h index cd6bed35..483edc3c 100644 --- a/src/light/effects/AmbilightEffect.h +++ b/src/light/effects/AmbilightEffect.h @@ -62,13 +62,35 @@ class AmbilightEffect : public EffectBase { /// prepare() — without this the buffer stays empty and the setting does nothing. bool affectsPrepare(const char* name) const override { return std::strcmp(name, "smoothing") == 0; } - /// One 8.8 accumulator per channel, allocated only while smoothing is on. + /// Cold path. applyState() prepares a parent before its children, so the Layer's mapping is + /// already built when buildLitList() reads it. void prepare() override { // lengthType is signed: a stray negative would cast to a colossal size_t, not to nothing. const lengthType w = width(), h = height(); - const bool sized = smoothing != 0 && w > 0 && h > 0; - state_.resize(sized ? static_cast(w) * static_cast(h) * 3u : 0); + const size_t positions = (w > 0 && h > 0) ? static_cast(w) * static_cast(h) : 0; + + state_.resize(smoothing != 0 ? positions * 3u : 0); // 8.8 per channel, only while smoothing primed_ = false; + buildLitList(positions); + } + + /// The positions that reach an LED, packed y<<16|x, so tick() walks only those — a few hundred + /// of tens of thousands on a border layout. + void buildLitList(size_t positions) { + litCount_ = 0; + const MappingLUT& lut = layer()->lut(); + // A table-free (identity) mapping lights every position, so the list would be 0,1,2,3... + // — 4 bytes a position to say "all of them", where the plain loop needs none. + allLit_ = !lut.hasLUT(); + if (allLit_ || positions == 0) { + lit_.resize(0); + return; + } + if (!lit_.resize(positions)) return; // no list: tick() falls back to painting the whole box + const lengthType w = width(); + for (size_t i = 0; i < positions; i++) + if (lut.hasDestination(static_cast(i))) + lit_[litCount_++] = static_cast((i / w) << 16 | (i % w)); } void tick() MM_NONBLOCKING override { @@ -93,23 +115,28 @@ class AmbilightEffect : public EffectBase { if (!primed_) fadeStart_ = elapsed(); // a picture arriving after a gap restarts the ramp const uint16_t level = fadeLevel(); - // Black first, then only the positions that reach an LED are painted. The skipped ones - // would be discarded by the mapping anyway; clearing keeps the raw-buffer preview honest - // about which of them are actually lit. - const MappingLUT& lut = layer()->lut(); - draw::fill(out, {0, 0, 0}); - - for (lengthType y = 0; y < lightsY; y++) { - const Span rows = region.rows(y, lightsY); // constant down the row - for (lengthType x = 0; x < lightsX; x++) { - const size_t lightId = static_cast(y) * lightsX + x; - if (!lut.hasDestination(static_cast(lightId))) continue; - const Span cols = region.cols(x, lightsX); - RGB color = adjust(meanOf(*frame, cols, rows)); - if (canSmooth) color = smooth(lightId, color); - if (level != 256) color = dim(color, level); - draw::pixel(out, {x, y, 0}, color); - } + // Three ways to reach the same set of positions, cheapest first. + if (allLit_) { + // Nothing to skip: the plain box, no clear, no mapping queries. + for (lengthType y = 0; y < lightsY; y++) + for (lengthType x = 0; x < lightsX; x++) + paint(out, *frame, region, x, y, lightsX, lightsY, canSmooth, level); + } else if (lit_) { + // The list. Unlit positions are never written, so they keep the black + // Layer::prepare() left on the rebuild this effect's prepare() rode in on — BlendMap + // never reads them, but PreviewDriver shows the raw buffer and must not see a ghost. + for (size_t i = 0; i < litCount_; i++) + paint(out, *frame, region, static_cast(lit_[i] & 0xFFFF), + static_cast(lit_[i] >> 16), lightsX, lightsY, canSmooth, level); + } else { + // The list could not be allocated. Same output, asking the mapping per position — + // which is the cost the list exists to avoid. + const MappingLUT& lut = layer()->lut(); + draw::fill(out, {0, 0, 0}); + for (lengthType y = 0; y < lightsY; y++) + for (lengthType x = 0; x < lightsX; x++) + if (lut.hasDestination(static_cast(y * lightsX + x))) + paint(out, *frame, region, x, y, lightsX, lightsY, canSmooth, level); } primed_ = true; } @@ -134,6 +161,16 @@ class AmbilightEffect : public EffectBase { Span rows(int y, int lightsY) const { return spanFor(y, lightsY, height, deepY).shifted(top); } }; + /// One light position: average its pixels, correct, smooth, level, write. + void paint(const draw::Canvas& out, const VideoFrame& frame, const Region& region, lengthType x, + lengthType y, lengthType lightsX, lengthType lightsY, bool canSmooth, + uint16_t level) MM_NONBLOCKING { + RGB color = adjust(meanOf(frame, region.cols(x, lightsX), region.rows(y, lightsY))); + if (canSmooth) color = smooth(static_cast(y) * lightsX + x, color); + if (level != 256) color = dim(color, level); + draw::pixel(out, {x, y, 0}, color); + } + Region regionFor(const VideoFrame& frame) MM_NONBLOCKING { const Bars bars = trackBars(frame); Region r; @@ -325,6 +362,10 @@ class AmbilightEffect : public EffectBase { Bars candidate_; // seen most recently uint8_t stable_ = 0; + ScratchBuffer lit_{*this}; // packed y<<16|x, the positions that reach an LED + size_t litCount_ = 0; + bool allLit_ = true; // no list: the mapping lights every position + ScratchBuffer state_{*this}; // 8.8 per channel per light position, while smoothing is on bool primed_ = false; // false until one frame has been written uint32_t fadeStart_ = 0; // millis() when the current picture first arrived diff --git a/test/unit/light/unit_AmbilightEffect.cpp b/test/unit/light/unit_AmbilightEffect.cpp index 7d632da1..5b137f4f 100644 --- a/test/unit/light/unit_AmbilightEffect.cpp +++ b/test/unit/light/unit_AmbilightEffect.cpp @@ -464,7 +464,16 @@ TEST_CASE("AmbilightEffect: a border layout paints its perimeter and skips the i const uint8_t* top = rig.px(4, 0); CHECK((top[0] | top[1] | top[2]) != 0); - // The interior reaches none. Left black by the clear, never averaged. + // The interior reaches none. Never averaged, never written — it holds the black that + // Layer::prepare() left in the buffer on the rebuild the effect's own prepare() rode in on. + for (int y = 1; y < 7; y++) + for (int x = 1; x < 7; x++) { + const uint8_t* p = rig.px(x, y); + CHECK((p[0] | p[1] | p[2]) == 0); + } + + // And it stays black across further frames, rather than only on the first. + for (int i = 0; i < 5; i++) rig.layer.tick(); for (int y = 1; y < 7; y++) for (int x = 1; x < 7; x++) { const uint8_t* p = rig.px(x, y); From 2265dab2747bd0bd4a359c1cab5f049950508904 Mon Sep 17 00:00:00 2001 From: Shura Fedorovskyi Date: Wed, 2 Sep 2026 20:00:35 +0400 Subject: [PATCH 12/25] Add four-strip corners and a wiring offset to Rectangle Two builds the layout could not describe: four separate strips rather than one bent around a frame, and a run that starts partway along an edge. Performance: not collected (no board attached this cycle). **Light domain** - sharedCorners off gives 2(w+h) instead of 2(w+h)-4. Each edge keeps its own end, so two lights land on every corner coordinate. A 20x10 box is 60 lights rather than 56. - offset slides where index 0 sits. It rides walkIndex's existing modular walk, so it composes with startCorner and a full lap wraps to nothing. - Both are wiring rather than shape, except that sharedCorners changes the light count. **Tests** - The count, that the extra lights land ON the corners rather than past them, and that offset rotates the order while leaving the coordinate set identical. **Docs** - Both controls, with the light count for a worked example. Co-Authored-By: Claude Opus 5 (1M context) --- docs/metrics/repo-health.json | 16 +++--- docs/metrics/repo-health.md | 16 +++--- docs/moonmodules/light/layouts.md | 6 +- src/light/layouts/RectangleLayout.h | 50 +++++++++++------ test/unit/light/unit_RectangleLayout.cpp | 70 ++++++++++++++++++++++++ 5 files changed, 123 insertions(+), 35 deletions(-) diff --git a/docs/metrics/repo-health.json b/docs/metrics/repo-health.json index 6dd08e24..67e05783 100644 --- a/docs/metrics/repo-health.json +++ b/docs/metrics/repo-health.json @@ -1,9 +1,9 @@ { - "commit": "e8c30dc", + "commit": "e6cae82", "flash": { "esp32": 1763216, "esp32p4rev1-eth": 1643616, - "esp32p4rev1-eth-wifi": 2074288, + "esp32p4rev1-eth-wifi": 2074624, "esp32s3-n16r8": 1800864, "esp32s3-n8r8": 1753232, "esp32s31": 2074256, @@ -26,10 +26,10 @@ }, "loc": { "core": 19794, - "light": 25722, + "light": 25737, "platform": 14001, "ui": 6859, - "test": 45249, + "test": 45319, "moondeck": 21159 }, "comments": { @@ -38,8 +38,8 @@ "ratio": 0.422 }, "light": { - "lines": 9992, - "ratio": 0.429 + "lines": 10003, + "ratio": 0.43 }, "platform": { "lines": 4893, @@ -50,7 +50,7 @@ "ratio": 0.279 }, "test": { - "lines": 8171, + "lines": 8181, "ratio": 0.208 }, "moondeck": { @@ -59,7 +59,7 @@ } }, "tests": { - "cases": 1482, + "cases": 1486, "scenarios": 23 }, "docs": { diff --git a/docs/metrics/repo-health.md b/docs/metrics/repo-health.md index d15208b4..06a61c59 100644 --- a/docs/metrics/repo-health.md +++ b/docs/metrics/repo-health.md @@ -1,6 +1,6 @@ # Repo health -Measured at `e8c30dc`. Generated by [`moondeck/check/repo_health.py`](../../moondeck/check/repo_health.py) on every KPI-gate run. **Do not edit by hand.** +Measured at `e6cae82`. Generated by [`moondeck/check/repo_health.py`](../../moondeck/check/repo_health.py) on every KPI-gate run. **Do not edit by hand.** Current state only; the trend is this file's git history (`git log -p docs/metrics/repo-health.md`). Nothing here fails a build: the numbers make growth visible, the judgment stays human. @@ -8,13 +8,13 @@ Current state only; the trend is this file's git history (`git log -p docs/metri | Target | Flash | |---|---:| -| desktop | 1,548 KB (+0 KB) ⚠ | +| desktop | 1,548 KB | | esp32 | 1,722 KB | | esp32-16mb | 1,674 KB | | esp32-eth | 1,294 KB | | esp32-wrover | 1,724 KB | | esp32p4rev1-eth | 1,605 KB | -| esp32p4rev1-eth-wifi | 2,026 KB (+1 KB) ⚠ | +| esp32p4rev1-eth-wifi | 2,026 KB (+0 KB) ⚠ | | esp32p4rev3-eth | 1,605 KB | | esp32s3-n16r8 | 1,759 KB | | esp32s3-n8r8 | 1,712 KB | @@ -25,7 +25,7 @@ Current state only; the trend is this file's git history (`git log -p docs/metri | Target | Tick | FPS | |---|---:|---:| -| desktop | 94 µs (+1 µs) ⚠ | 10,638 (−114) ⚠ | +| desktop | 94 µs | 10,638 | | esp32 | 2,151 µs | 464 | ## Code @@ -33,24 +33,24 @@ Current state only; the trend is this file's git history (`git log -p docs/metri | Area | Lines | Comments | Comment share | |---|---:|---:|---:| | core | 19,794 | 7,701 | 42.2 % | -| light | 25,722 (+42) ⚠ | 9,992 | 42.9 % (−0.1 %) ✓ | +| light | 25,737 (+15) ⚠ | 10,003 | 43.0 % (+0.1 %) ⚠ | | platform | 14,001 | 4,893 | 38.6 % | | ui | 6,859 | 1,803 | 27.9 % | -| test | 45,249 (+9) ⚠ | 8,171 | 20.8 % | +| test | 45,319 (+70) ⚠ | 8,181 | 20.8 % | | moondeck | 21,159 | 3,425 | 18.5 % | ## Tests | Kind | Count | |---|---:| -| unit cases | 1,482 | +| unit cases | 1,486 (+4) ✓ | | scenarios | 23 | ## Complexity | Metric | Value | |---|---:| -| functions | 2,691 (+3) ✓ | +| functions | 2,691 | | over threshold | 164 | | worst CCN | 108 | diff --git a/docs/moonmodules/light/layouts.md b/docs/moonmodules/light/layouts.md index a372354f..dc4103a0 100644 --- a/docs/moonmodules/light/layouts.md +++ b/docs/moonmodules/light/layouts.md @@ -217,13 +217,15 @@ Detail: [technical](moxygen/GridBlacksLayout.md) ### Rectangle -Lights around the **perimeter** of a `width` × `height` box, nothing inside it — the strip-around-a-frame primitive. Each corner holds one light, so the count is `2·(width + height) − 4`; a box one light thick degenerates to a plain line. Use [Grid](#grid) when the interior has LEDs too. +Lights around the **perimeter** of a `width` × `height` box, nothing inside it — the strip-around-a-frame primitive. A box one light thick degenerates to a plain line. Use [Grid](#grid) when the interior has LEDs too. - `width` / `height` — box extent in lights along each edge (1–500); 32×18 default is 16:9. - `startCorner` — which corner light 0 sits at: top-left / top-right / bottom-right / bottom-left. +- `offset` — lights past that corner where the strip actually begins, for a run that starts partway along an edge. - `clockwise` — direction the indices run from that corner. +- `sharedCorners` — on (default), one light sits in each corner and the count is `2·(width + height) − 4`: a single strip bent around a frame. Off, each edge keeps its own end and the count is the plain sum `2·(width + height)` — four separate strips, with two lights on each corner coordinate. A 20×10 box is 56 lights shared, 60 unshared. -The last two describe the **wiring, not the shape**: they reorder indices while every coordinate stays identical, so set them to match your build and an effect's "top edge" lights the physical top edge. Same split [Single Row](#singlerow) draws with `reversed order` and [Grid](#grid) with `serpentine`. +`startCorner`, `offset` and `clockwise` describe the **wiring, not the shape**: they reorder indices while every coordinate stays identical, so set them to match your build and an effect's "top edge" lights the physical top edge. Same split [Single Row](#singlerow) draws with `reversed order` and [Grid](#grid) with `serpentine`. `sharedCorners` is the exception — it changes how many lights there are. Origin: projectMM diff --git a/src/light/layouts/RectangleLayout.h b/src/light/layouts/RectangleLayout.h index 9e924d80..72b2843c 100644 --- a/src/light/layouts/RectangleLayout.h +++ b/src/light/layouts/RectangleLayout.h @@ -7,8 +7,12 @@ namespace mm { // A hollow rectangle: lights around the PERIMETER of a `width` x `height` box, nothing inside it. // The strip-around-a-frame primitive — a TV backlight, a mirror surround, a sign border. // -// - Each corner counts once, so the count is `2(width + height) - 4`. A strip bent around a frame -// has one LED in the corner, even though that corner belongs to two edges. +// - Each corner counts once by default, so the count is `2(width + height) - 4`: a strip bent +// around a frame has ONE LED in the corner, even though that corner belongs to two edges. Four +// separate strips instead have their own end there — `sharedCorners` off gives `2(width+height)`, +// with two lights on each corner coordinate. +// - `offset` slides the wiring around the perimeter, for a strip that starts partway along an edge +// rather than at a corner. // - `startCorner` and `clockwise` change the WIRING, not the shape: they rotate and reverse the // index order while every emitted coordinate stays identical. // - Perimeter only. A filled rectangle is already GridLayout; this exists for the case where the @@ -20,6 +24,8 @@ class RectangleLayout : public LayoutBase { uint16_t height = 18; uint8_t startCorner = 0; // index into kStartCornerOptions bool clockwise = true; + bool sharedCorners = true; // one light per corner; off = four strips, each with its own end + uint16_t offset = 0; // lights past startCorner where the strip actually begins static constexpr const char* kStartCornerOptions[] = {"top-left", "top-right", "bottom-right", "bottom-left"}; @@ -30,6 +36,10 @@ class RectangleLayout : public LayoutBase { controls_.addUint16("height", height, 1, 500); controls_.addSelect("startCorner", startCorner, kStartCornerOptions, kStartCornerCount); controls_.addBool("clockwise", clockwise); + // Off when the corners are four separate strip ends rather than one bent light. + controls_.addBool("sharedCorners", sharedCorners); + // For a strip that starts partway along an edge instead of at the corner. + controls_.addUint16("offset", offset, 0, 1999); } nrOfLightsType lightCount() const override { return perimeter(); } @@ -50,19 +60,25 @@ class RectangleLayout : public LayoutBase { if (width == 0 || height == 0) return 0; if (height == 1) return width; if (width == 1) return height; - return static_cast(2 * width + 2 * height - 4); + // Unshared corners give each edge its full length, so the four edges just sum. + return static_cast(sharedCorners ? 2 * width + 2 * height - 4 + : 2 * width + 2 * height); } /// Coordinate of physical light `i` of `n`. /// /// Four segments, each dropping the corner the previous one emitted: /// top left to right w cells - /// right top to bottom h-1 cells - /// bottom right to left w-1 cells - /// left bottom to top h-2 cells (both corners already placed) + /// right top to bottom h-1 cells (h with unshared corners) + /// bottom right to left w-1 cells (w "") + /// left bottom to top h-2 cells (h "") + /// + /// Unshared, each edge keeps its own corner: the right edge starts AT the top-right rather than + /// below it, so two lights land on each corner coordinate — four strip ends meeting there. Coord3D coordAt(nrOfLightsType i, nrOfLightsType n) const { const int w = width, h = height, k = static_cast(walkIndex(i, n)); + const int drop = sharedCorners ? 1 : 0; // cells each edge gives up to the one before it const auto at = [](int x, int y) { return Coord3D{static_cast(x), static_cast(y), 0}; @@ -71,14 +87,14 @@ class RectangleLayout : public LayoutBase { if (h == 1) return at(k, 0); if (w == 1) return at(0, k); - const int topEnd = w; // steps [0, topEnd) top edge - const int rightEnd = w + h - 1; // [topEnd, rightEnd) right edge - const int bottomEnd = 2 * w + h - 2; // [rightEnd, bottomEnd) bottom edge + const int topEnd = w; // steps [0, topEnd) top edge + const int rightEnd = topEnd + h - drop; // [topEnd, rightEnd) right edge + const int bottomEnd = rightEnd + w - drop; // [rightEnd, bottomEnd) bottom edge - if (k < topEnd) return at(k, 0); - if (k < rightEnd) return at(w - 1, k - topEnd + 1); - if (k < bottomEnd) return at(bottomEnd - 1 - k, h - 1); - return at(0, static_cast(perimeter()) - k); // left edge, walking back up + if (k < topEnd) return at(k, 0); // x rises, y = 0 + if (k < rightEnd) return at(w - 1, k - topEnd + drop); // y rises, x = w-1 + if (k < bottomEnd) return at(w - 1 - drop - (k - rightEnd), h - 1); // x falls, y = h-1 + return at(0, h - 1 - (k - bottomEnd) - drop); // y falls, x = 0 } /// Step at which each start corner sits on the reference walk — its segment boundaries, so a @@ -93,12 +109,12 @@ class RectangleLayout : public LayoutBase { } } - /// Indexing lights starts from top-left, then walks the perimeter clockwise - /// But if `startCorner` or `clockwise` changed, the indexing also changes (direction, starting point) - /// This function adjusts index to the canonical clockwise top-left walk + /// Indexing lights starts from top-left, then walks the perimeter clockwise. `startCorner`, + /// `offset` and `clockwise` move where index 0 sits and which way it runs; this maps a driver + /// index back onto the canonical walk. nrOfLightsType walkIndex(nrOfLightsType i, nrOfLightsType n) const { if (n == 0) return 0; - const nrOfLightsType s = static_cast(startIndex() % n); + const nrOfLightsType s = static_cast((startIndex() + offset) % n); return clockwise ? static_cast((s + i) % n) : static_cast((s + n - (i % n)) % n); } diff --git a/test/unit/light/unit_RectangleLayout.cpp b/test/unit/light/unit_RectangleLayout.cpp index 306010b1..0cd5aea4 100644 --- a/test/unit/light/unit_RectangleLayout.cpp +++ b/test/unit/light/unit_RectangleLayout.cpp @@ -183,3 +183,73 @@ TEST_CASE("RectangleLayout: a zero-sided box emits no lights") { CHECK(r.lightCount() == 0); CHECK(walk(r).empty()); } + +// --- Four separate strips (sharedCorners off) --------------------------------------------------- +// One strip bent around a frame has ONE light in each corner. Four strips have their own end there, +// so the count is the plain sum of the edges and two lights share each corner coordinate. + +TEST_CASE("RectangleLayout: unshared corners count every edge in full") { + RectangleLayout r; + r.width = 20; r.height = 10; + r.sharedCorners = false; + CHECK(r.lightCount() == 60); // 20 + 20 + 10 + 10, no corners deducted + CHECK(walk(r).size() == 60); + + r.sharedCorners = true; + CHECK(r.lightCount() == 56); // the same box, four corners folded away +} + +// The extra lights must land ON the corners, not past them: an edge running its full length is one +// step from walking outside the box, which would inflate the Layer's bounding box. +TEST_CASE("RectangleLayout: unshared corners double the corner cells and stay in the box") { + RectangleLayout r; + r.width = 4; r.height = 3; + r.sharedCorners = false; + const auto pts = walk(r); + REQUIRE(pts.size() == 14); + + int corners = 0; + for (const auto& p : pts) { + CHECK(p.first >= 0); + CHECK(p.first < 4); + CHECK(p.second >= 0); + CHECK(p.second < 3); + const bool onCorner = (p.first == 0 || p.first == 3) && (p.second == 0 || p.second == 2); + if (onCorner) corners++; + } + CHECK(corners == 8); // four corners, two lights each +} + +// --- offset -------------------------------------------------------------------------------------- +// A strip rarely starts exactly at a corner. offset slides where index 0 sits WITHOUT moving any +// light: the same coordinates come out, rotated in the wiring order. + +TEST_CASE("RectangleLayout: offset rotates the wiring and emits the same coordinates") { + RectangleLayout plain, shifted; + plain.width = shifted.width = 7; + plain.height = shifted.height = 5; + shifted.offset = 3; + + const auto a = walk(plain); + const auto b = walk(shifted); + REQUIRE(a.size() == b.size()); + CHECK(a != b); // the order moved + CHECK(b[0] == a[3]); // by exactly three steps + CHECK(std::set>(a.begin(), a.end()) == + std::set>(b.begin(), b.end())); // the shape did not +} + +// A full lap is a no-op, and anything beyond it wraps — the walk is modular, so an offset larger +// than the perimeter must not run off the end of it. +TEST_CASE("RectangleLayout: an offset of a full lap or more wraps") { + RectangleLayout plain, lap; + plain.width = lap.width = 7; + plain.height = lap.height = 5; + lap.offset = static_cast(plain.lightCount()); + CHECK(walk(lap) == walk(plain)); + + lap.offset = static_cast(plain.lightCount() + 2); + RectangleLayout two; + two.width = 7; two.height = 5; two.offset = 2; + CHECK(walk(lap) == walk(two)); +} From 0d7ba552a6b88cf13d43bbbd9a04ef4dfc8d6e8d Mon Sep 17 00:00:00 2001 From: Shura Fedorovskyi Date: Wed, 2 Sep 2026 22:18:32 +0400 Subject: [PATCH 13/25] Skip a frame already on the strip The render loop can outrun the source, 60 Hz against 30 fps video, and re-averaging a frame it already painted produces the same pixels. Performance: not collected (no board attached this cycle). **Core** - The file source re-presents its picture per tick instead of publishing once and going quiet, the way a camera pointed at a still object does. Without that it was the one source whose seq never moved again, and the effect would have needed its own machinery to cope, a forced-render flag and a bar-hysteresis guard, to work around a source behaving unlike the others. **Light domain** - What the effect advances then runs at the source's rate rather than the loop's, which is the rate it should run at: the fade is wall-clock so it only samples less often, and the smoother has nothing to move toward while its target stands still. **Tests** - A repeated frame leaves the strip untouched rather than half-painted or cleared. Co-Authored-By: Claude Opus 5 (1M context) --- docs/metrics/repo-health.json | 24 +++++++-------- docs/metrics/repo-health.md | 14 ++++----- src/core/VideoService.h | 16 ++++++---- src/light/effects/AmbilightEffect.h | 15 +++++++--- test/unit/light/unit_AmbilightEffect.cpp | 37 ++++++++++++++++++++---- 5 files changed, 71 insertions(+), 35 deletions(-) diff --git a/docs/metrics/repo-health.json b/docs/metrics/repo-health.json index 67e05783..15a59ad7 100644 --- a/docs/metrics/repo-health.json +++ b/docs/metrics/repo-health.json @@ -1,9 +1,9 @@ { - "commit": "e6cae82", + "commit": "0f7ee1f", "flash": { "esp32": 1763216, "esp32p4rev1-eth": 1643616, - "esp32p4rev1-eth-wifi": 2074624, + "esp32p4rev1-eth-wifi": 2074672, "esp32s3-n16r8": 1800864, "esp32s3-n8r8": 1753232, "esp32s31": 2074256, @@ -16,8 +16,8 @@ }, "perf": { "desktop": { - "tick_us": 94, - "fps": 10638 + "tick_us": 93, + "fps": 10752 }, "esp32": { "tick_us": 2151, @@ -25,20 +25,20 @@ } }, "loc": { - "core": 19794, - "light": 25737, + "core": 19798, + "light": 25746, "platform": 14001, "ui": 6859, - "test": 45319, + "test": 45344, "moondeck": 21159 }, "comments": { "core": { - "lines": 7701, + "lines": 7704, "ratio": 0.422 }, "light": { - "lines": 10003, + "lines": 10007, "ratio": 0.43 }, "platform": { @@ -50,7 +50,7 @@ "ratio": 0.279 }, "test": { - "lines": 8181, + "lines": 8188, "ratio": 0.208 }, "moondeck": { @@ -59,12 +59,12 @@ } }, "tests": { - "cases": 1486, + "cases": 1487, "scenarios": 23 }, "docs": { "md_files": 183, - "md_lines": 26692, + "md_lines": 26694, "plans_files": 93, "backlog_lines": 4239, "lessons_lines": 549, diff --git a/docs/metrics/repo-health.md b/docs/metrics/repo-health.md index 06a61c59..50c3ecb2 100644 --- a/docs/metrics/repo-health.md +++ b/docs/metrics/repo-health.md @@ -1,6 +1,6 @@ # Repo health -Measured at `e6cae82`. Generated by [`moondeck/check/repo_health.py`](../../moondeck/check/repo_health.py) on every KPI-gate run. **Do not edit by hand.** +Measured at `0f7ee1f`. Generated by [`moondeck/check/repo_health.py`](../../moondeck/check/repo_health.py) on every KPI-gate run. **Do not edit by hand.** Current state only; the trend is this file's git history (`git log -p docs/metrics/repo-health.md`). Nothing here fails a build: the numbers make growth visible, the judgment stays human. @@ -25,25 +25,25 @@ Current state only; the trend is this file's git history (`git log -p docs/metri | Target | Tick | FPS | |---|---:|---:| -| desktop | 94 µs | 10,638 | +| desktop | 93 µs (−1 µs) ✓ | 10,752 (+114) ✓ | | esp32 | 2,151 µs | 464 | ## Code | Area | Lines | Comments | Comment share | |---|---:|---:|---:| -| core | 19,794 | 7,701 | 42.2 % | -| light | 25,737 (+15) ⚠ | 10,003 | 43.0 % (+0.1 %) ⚠ | +| core | 19,798 (+4) ⚠ | 7,704 | 42.2 % | +| light | 25,746 (+9) ⚠ | 10,007 | 43.0 % | | platform | 14,001 | 4,893 | 38.6 % | | ui | 6,859 | 1,803 | 27.9 % | -| test | 45,319 (+70) ⚠ | 8,181 | 20.8 % | +| test | 45,344 (+25) ⚠ | 8,188 | 20.8 % | | moondeck | 21,159 | 3,425 | 18.5 % | ## Tests | Kind | Count | |---|---:| -| unit cases | 1,486 (+4) ✓ | +| unit cases | 1,487 (+1) ✓ | | scenarios | 23 | ## Complexity @@ -59,7 +59,7 @@ Current state only; the trend is this file's git history (`git log -p docs/metri | Metric | Value | |---|---:| | markdown files | 183 | -| markdown lines | 26,692 | +| markdown lines | 26,694 (+2) ⚠ | | plan files | 93 | | backlog lines | 4,239 | | lessons lines | 549 | diff --git a/src/core/VideoService.h b/src/core/VideoService.h index 33b0ea24..585451d4 100644 --- a/src/core/VideoService.h +++ b/src/core/VideoService.h @@ -34,8 +34,8 @@ class VideoService : public MoonModule { // persisted index keeps its meaning. uint8_t source = 0; char file[64] = "/frame.ppm"; - uint8_t usbFormat = 0; // index into the device's advertised list; the only USB setting persisted - uint16_t staleMs = 2000; // 0 = hold the last frame forever + uint8_t usbFormat = 0; // index into the device's advertised list; the only USB setting persisted + uint16_t staleMs = 2000; // 0 = hold the last frame forever static constexpr const char* kSourceOptions[] = {"test pattern", "file", "usb"}; // A target with no High-Speed USB host or no JPEG decoder cannot capture, so it is not offered @@ -99,9 +99,9 @@ class VideoService : public MoonModule { /// Cold path: size the frame buffer for the selected source and fill it once, so a frame exists /// before the first tick rather than one tick later. void prepare() override { - seat_.claim(); // re-take after a disable/enable cycle — release() vacated it + seat_.claim(); // re-take after a disable/enable cycle — release() vacated it platform::videoCaptureDeinit(capture_); // a source switch releases the device - if (source >= kSourceCount) source = 0; // a config restored from a capture-capable board + if (source >= kSourceCount) source = 0; // a config restored from a capture-capable board if (source == 2) { // The first open doubles as a probe: a device only lists its formats once it // enumerates, which happens inside init — so open, learn what is really on offer, and @@ -133,8 +133,12 @@ class VideoService : public MoonModule { // Take an EMPTY seat, so deleting the elected source while a second one runs hands over // rather than going permanently dark. claim() only fills an empty seat, never yanks one. seat_.claim(); - if (source == 0 && buf_.data()) renderPattern(); - else if (source == 2) readCapture(); + if (source == 0 && buf_.data()) + renderPattern(); + else if (source == 1 && buf_.data()) + publish(); + else if (source == 2) + readCapture(); MoonModule::tick(); } diff --git a/src/light/effects/AmbilightEffect.h b/src/light/effects/AmbilightEffect.h index 483edc3c..d43599e8 100644 --- a/src/light/effects/AmbilightEffect.h +++ b/src/light/effects/AmbilightEffect.h @@ -105,6 +105,10 @@ class AmbilightEffect : public EffectBase { return; } + // The frame already on the strip + if (frame->seq == lastSeq_) return; + lastSeq_ = frame->seq; + const lengthType lightsX = width(), lightsY = height(); if (lightsX <= 0 || lightsY <= 0) return; @@ -269,8 +273,10 @@ class AmbilightEffect : public EffectBase { int begin = static_cast((static_cast(lightId) * pixels) / lightsSize); int end = static_cast((static_cast(lightId + 1) * pixels) / lightsSize); if (deep > 0) { - if (lightId == 0) end = deep; // down/right, inward - else if (lightId == lightsSize - 1) begin = pixels - deep; // up/left, inward + if (lightId == 0) + end = deep; // down/right, inward + else if (lightId == lightsSize - 1) + begin = pixels - deep; // up/left, inward } if (begin < 0) begin = 0; if (begin >= pixels) begin = pixels - 1; @@ -291,8 +297,8 @@ class AmbilightEffect : public EffectBase { sb += px[2]; } } - const uint32_t pixels = static_cast(rows.end - rows.begin) * - static_cast(cols.end - cols.begin); + const uint32_t pixels = + static_cast(rows.end - rows.begin) * static_cast(cols.end - cols.begin); return {static_cast(sr / pixels), static_cast(sg / pixels), static_cast(sb / pixels)}; } @@ -368,6 +374,7 @@ class AmbilightEffect : public EffectBase { ScratchBuffer state_{*this}; // 8.8 per channel per light position, while smoothing is on bool primed_ = false; // false until one frame has been written + uint32_t lastSeq_ = 0; // the frame already on the strip uint32_t fadeStart_ = 0; // millis() when the current picture first arrived }; diff --git a/test/unit/light/unit_AmbilightEffect.cpp b/test/unit/light/unit_AmbilightEffect.cpp index 5b137f4f..31835f36 100644 --- a/test/unit/light/unit_AmbilightEffect.cpp +++ b/test/unit/light/unit_AmbilightEffect.cpp @@ -54,6 +54,12 @@ struct Rig { // applyState() re-runs prepare(), which un-primes the smoother and makes every frame jump. // Anything testing the SMOOTHING has to tick without it. void tickOnly() { layer.tick(); } + /// A tick with a NEW frame behind it — the effect skips a repeated one, so anything measuring + /// per-frame behaviour has to advance the source too, as the scheduler does. + void tickOnly(VideoService& source) { + source.tick(); + layer.tick(); + } const uint8_t* px(int x, int y) const { return layer.buffer().data() + (static_cast(y) * grid.width + x) * 3; } @@ -239,13 +245,13 @@ TEST_CASE("AmbilightEffect: a heavily smoothed light converges exactly, rising a // Falling: drive the target down and let it smooth in. rig.fx.brightness = 8; - for (int i = 0; i < 2000; i++) rig.tickOnly(); + for (int i = 0; i < 2000; i++) rig.tickOnly(src.svc); const uint8_t dim = rig.px(4, 0)[0]; CHECK(dim < bright / 2); // Rising back to where it started must land on the SAME value, not one short. rig.fx.brightness = 255; - for (int i = 0; i < 2000; i++) rig.tickOnly(); + for (int i = 0; i < 2000; i++) rig.tickOnly(src.svc); CHECK(rig.px(4, 0)[0] == bright); } @@ -272,7 +278,7 @@ TEST_CASE("AmbilightEffect: fadeInMs ramps the first frames up from black") { rig.render(); const uint8_t first = rig.px(4, 0)[0]; - for (int i = 0; i < 50; i++) rig.tickOnly(); + for (int i = 0; i < 50; i++) rig.tickOnly(src.svc); const uint8_t later = rig.px(4, 0)[0]; CHECK(later >= first); // never goes backwards @@ -401,8 +407,8 @@ TEST_CASE("AmbilightEffect: the top light escapes the letterbox once bars are de rig.fx.detectBlackBars = true; rig.render(); - CHECK(rig.px(4, 0)[1] == 0); // first frame: still inside the bar - for (int i = 0; i < 60; i++) rig.tickOnly(); // past the hysteresis window + CHECK(rig.px(4, 0)[1] == 0); // first frame: still inside the bar + for (int i = 0; i < 60; i++) rig.tickOnly(src.svc); // past the hysteresis window CHECK(rig.px(4, 0)[1] > 100); // now reading the green picture } @@ -416,7 +422,7 @@ TEST_CASE("AmbilightEffect: a frame that fills the picture reports no bars") { armed.fx.detectBlackBars = true; plain.render(); armed.render(); - for (int i = 0; i < 60; i++) armed.tickOnly(); + for (int i = 0; i < 60; i++) armed.tickOnly(src.svc); CHECK(std::memcmp(plain.px(4, 0), armed.px(4, 0), 3) == 0); } @@ -480,3 +486,22 @@ TEST_CASE("AmbilightEffect: a border layout paints its perimeter and skips the i CHECK((p[0] | p[1] | p[2]) == 0); } } + + +// --- Skipping a repeated frame ----------------------------------------------------------------- +// The render loop outruns the source — 60 Hz against 30 fps video, or a still picture — and +// re-averaging a frame already on the strip buys nothing. What the effect advances then runs at the +// source's rate, which is the rate it should run at. + +// A skipped tick must leave the strip exactly as it was, not half-painted or cleared. +TEST_CASE("AmbilightEffect: a repeated frame leaves the strip untouched") { + PatternSource src; + Rig rig(8, 8); + rig.fx.saturation = 100; + rig.render(); + + uint8_t before[3]; + std::memcpy(before, rig.px(4, 0), 3); + for (int i = 0; i < 5; i++) rig.tickOnly(); // no new frame published + CHECK(std::memcmp(before, rig.px(4, 0), 3) == 0); +} From f6db9f642142ace1bc3dda8a8f34d40e0c8bb041 Mon Sep 17 00:00:00 2001 From: Shura Fedorovskyi Date: Wed, 2 Sep 2026 23:15:14 +0400 Subject: [PATCH 14/25] Count a master dimmer's draw, and drop the em-dashes The current limiter missed a channel that draws at full every frame, and the prose this branch added did not meet the writing rules that arrived with v4.0.0. Performance: not collected (no board attached this cycle). **Light domain** - Correction::measure() counts a master dimmer. It is held at 255 every frame, and on an addressable strip every byte is a die: the IRGB preset puts a Dimmer on one of them, and 300 lights of that is amps the budget never saw. Outside the loop, since the value is a constant. On a fixture with its own supply this over-reports, which is the safe direction, and the drivers that feed one do not price frames at all. **Docs** - Rewrote this branch's four sections as bullets. The Video entry was stale: it still described only the test-pattern and file sources, with no usb, offered or staleMs. Added the format-choice guidance, the current-limit controls, and the two new Rectangle controls. **Tests** - A dimmer draws on a black frame, so the limiter sees it. Every line this branch adds is now free of em-dashes. Upstream's own prose is left alone: an earlier pass rewrote 281 lines of a file this branch had added 25 to, which was reverted. --- docs/moonmodules/core/services.md | 22 +++++++++---- docs/moonmodules/light/drivers.md | 6 ++-- docs/moonmodules/light/effects.md | 24 +++++++------- docs/moonmodules/light/layouts.md | 20 ++++-------- src/core/VideoFrame.h | 2 +- src/core/VideoService.h | 32 +++++++++---------- src/light/drivers/Correction.h | 23 ++++++++----- src/light/drivers/DriverBase.h | 8 ++--- src/light/drivers/Drivers.h | 2 +- src/light/effects/AmbilightEffect.h | 30 ++++++++--------- src/light/layers/MappingLUT.h | 2 +- src/light/layouts/RectangleLayout.h | 10 +++--- src/platform/desktop/platform_desktop.cpp | 2 +- src/platform/esp32/platform_config.h | 6 ++-- .../esp32/platform_esp32_usbvideo.cpp | 14 ++++---- src/platform/platform.h | 26 +++++++-------- test/unit/core/unit_VideoService.cpp | 18 +++++------ test/unit/light/unit_AmbilightEffect.cpp | 30 ++++++++--------- test/unit/light/unit_Correction.cpp | 30 ++++++++++++++--- test/unit/light/unit_MultiPinLedDriver.cpp | 6 ++-- test/unit/light/unit_RectangleLayout.cpp | 16 +++++----- 21 files changed, 181 insertions(+), 148 deletions(-) diff --git a/docs/moonmodules/core/services.md b/docs/moonmodules/core/services.md index e86c83f1..6cb1cfe7 100644 --- a/docs/moonmodules/core/services.md +++ b/docs/moonmodules/core/services.md @@ -39,16 +39,24 @@ Detail: [technical](moxygen/AudioService.md) ### Video -A Service (added by the user, not auto-wired): the video source that feeds screen-follow effects via `VideoService::latestFrame()`. It is the counterpart of [Audio](#audio) for a picture — one decode per tick, published once, read by however many effects want it. `source` is the module's identity and decides which controls are shown. +A Service (added by the user, not auto-wired): the video source that feeds screen-follow effects via `VideoService::latestFrame()`. The counterpart of [Audio](#audio) for a picture: one decode per tick, published once, read by however many effects want it. `source` decides which of the controls below are shown. -- `source` — `test pattern` synthesises a frame in memory and needs no hardware or files; `file` reads a binary PPM off the filesystem. -- `file` — (file) path to a binary PPM (P6, maxval 255). Upload it through the File Manager, or point at any path on the device. -- `reload` — (file) re-read the file in place, without rebuilding the pipeline. -- status — the live frame's dimensions (`640x480`), or the reason there is no frame. +- `source`: `test pattern` synthesises a frame and needs no hardware or files; `file` reads a binary PPM off the filesystem; `usb` captures from an HDMI grabber, offered only on a target that can. +- `file`: (file) path to a binary PPM (P6, maxval 255). Upload it through the File Manager, or point at any path on the device. +- `reload`: (file) re-read the file in place, without rebuilding the pipeline. +- `offered`: (usb) the resolution and frame rate to request, chosen from what the attached device advertises. Read-only until one enumerates, since the device decides what is on the list. +- `staleMs`: (usb) how long a gap in frames is tolerated before the lights go dark. 0 holds the last picture instead. +- status: the live frame's dimensions (`848x480`), or the reason there is no frame. -**The test pattern is a diagnostic, not decoration.** It paints four coloured border bands — red top, green right, blue bottom, yellow left — plus a white block sweeping along the top edge. On a border-mounted strip that makes orientation self-evident: a mis-set `startCorner` or `clockwise` on the [Rectangle](../light/layouts.md#rectangle) layout shows up as the wrong physical edge lighting, rather than as a subtly wrong picture you have to squint at. The sweeping block shows liveness and which way "forward" runs. +**The test pattern is a diagnostic, not decoration.** Four coloured border bands (red top, green right, blue bottom, yellow left) and a white block sweeping along the top edge. On a border-mounted strip that makes orientation self-evident: a mis-set `startCorner` or `clockwise` on the [Rectangle](../light/layouts.md#rectangle) layout shows as the wrong physical edge lighting, rather than a subtly wrong picture. The sweeping block shows liveness and which way "forward" runs. -**Why PPM.** The device's real capture path decodes MJPEG in the ESP32-P4's JPEG hardware, behind the platform layer; there is no software JPEG decoder in this codebase, and adding one so the desktop build could open a `.jpg` would buy a dependency for a development convenience. PPM is a raw RGB dump behind a three-line ASCII header, so it needs no decoder and is one command away from any source material: +**The USB source needs an ESP32-P4.** It wants two things at once and only that chip has both: a High-Speed USB PHY (the S3 has USB, but too slow to carry video) and a hardware JPEG decoder. Elsewhere the option is not offered and the two software sources still work. Choosing a format: + +- **MJPEG only.** It is what the JPEG hardware decodes, so other encodings the device advertises are filtered out of `offered` rather than listed and then refused. +- **Pick 16:9.** A 4:3 capture makes a 16:9 source letterbox into it, putting black bars where the top and bottom lights look. For bars that are in the source itself, see [Ambilight](../light/effects.md#ambilight)'s `detectBlackBars`. +- **Then prefer frame rate over resolution.** A border light averages a few hundred pixels whatever the capture size, so resolution buys nothing and bandwidth is the scarce thing. + +**Why PPM for the file source.** The capture path decodes MJPEG in hardware, behind the platform layer. There is no software JPEG decoder in this codebase, and adding one so the desktop build could open a `.jpg` would buy a dependency for a development convenience. PPM is a raw RGB dump behind a three-line ASCII header, so it needs no decoder and is one command from any source material: ```sh ffmpeg -i clip.mp4 -frames:v 1 -vf scale=64:36 -pix_fmt rgb24 frame.ppm diff --git a/docs/moonmodules/light/drivers.md b/docs/moonmodules/light/drivers.md index 0d71ac9c..cc7484c8 100644 --- a/docs/moonmodules/light/drivers.md +++ b/docs/moonmodules/light/drivers.md @@ -17,8 +17,10 @@ Added once by [`DriverBase`](moxygen/DriverBase.md) so no driver re-implements i - `localBrightness` — this driver's dim (0–255), multiplied with the global brightness into one LUT; both sliders reach the output. - `lightPreset` — the [light preset](supporting.md) this driver applies per light (channel order / RGBW synthesis). At runtime the driver holds the preset's stable id, so **reordering** presets never disturbs the reference; the reference **survives a reboot** because the preset's *name* is persisted and re-resolved on load. The one caveat is **renaming**: within a session the id keeps the link, but after a reboot a renamed preset no longer matches the persisted name, so the driver falls back to the default preset — re-pick it if you rename a preset a driver uses. - `whiteMode` — how the white channel is derived for an RGBW strip, applied only when the referenced preset carries a W channel. -- `gamma x10` — gamma in tenths (`10` = 1.0 = off, the default; `22` = 2.2). An LED's output is near-linear in PWM duty while perception is a power law, so an uncorrected ramp reads as "bright fast, then flat"; the curve restores an even fade. Applied *before* brightness, so dimming never reshapes it. -- `balanceRed` / `balanceGreen` / `balanceBlue` — per-channel white balance (0–255, `255` = untouched). Trim **down** from 255 to pull a white point neutral: leave the weakest channel at 255 and lower the other two to match. There is no headroom above 255, so raising clips rather than balances. On an RGBW fixture the trims also feed the synthesized W, so the white channel can't carry a cast the trim just removed. +- `gamma x10`: gamma in tenths (`10` = 1.0 = off, the default; `22` = 2.2). An LED's output is near-linear in PWM duty while perception is a power law, so an uncorrected ramp reads as "bright fast, then flat"; the curve restores an even fade. Applied *before* brightness, so dimming never reshapes it. +- `balanceRed` / `balanceGreen` / `balanceBlue`: per-channel white balance (0 to 255, `255` = untouched). Trim **down** to pull a white point neutral: leave the weakest channel at 255 and lower the other two to match. There is no headroom above 255, so raising clips rather than balances. On an RGBW fixture the trims also feed the synthesized W, so the white channel cannot carry a cast the trim just removed. +- `maxCurrentMa`: cap the current a frame may draw, in milliamps. 0 (default) is off. The driver prices each frame before emitting it and scales the whole frame down if it is over budget, so a white screen cannot brown out the supply whatever the brightness. Set it to the supply's rating less what the board itself uses. +- `mAPerColorChannel` / `mAPerWhiteChannel`: what one channel draws at full, for that estimate. Per **channel**, not per light: a white die draws about twice a colour one, so a single per-light figure under-reports white-heavy frames, which is the direction that browns out a supply. Defaults (8 and 16) are measured on a 5 m SK6812 RGBW strip. Shown only on drivers that price their frames. - `start` — first light of the shared buffer this driver reads (default `0`). - `count` — how many lights from `start` this driver drives. **Blank / default drives all lights**; set a number to output only that slice — the way multiple drivers each own a section of one buffer (an onboard status LED at `0`, the main strip from `1`). diff --git a/docs/moonmodules/light/effects.md b/docs/moonmodules/light/effects.md index ed222bfc..3760153b 100644 --- a/docs/moonmodules/light/effects.md +++ b/docs/moonmodules/light/effects.md @@ -950,20 +950,22 @@ Detail: [technical](moxygen/NoiseEffect.md) ### Ambilight 📺 -Paints the layer with the live frame from the [Video](../core/services.md#video) service, so lights around a display glow the colour of the picture nearest them — the screen-follow / Hyperion behaviour. Each light shows the **mean** of the source rectangle mapping to it, which is steady where a single sampled pixel would flicker on grain and moving edges. +Paints the layer with the live frame from the [Video](../core/services.md#video) service, so lights around a display glow the colour of the picture nearest them: the screen-follow / Hyperion behaviour. Each light shows the **mean** of the source rectangle mapping to it, which is steady where a single sampled pixel would flicker on grain and moving edges. -- `brightness` — scales the sampled colour. Dims *the video*, unlike the driver's brightness which dims everything. -- `saturation` — how far each channel is pushed from its zone's luma, as a percentage (100 = the mean untouched). Averaging mixes hues, so screen-follow lighting reads washed out without a boost. -- `smoothing` — how much of the gap to a light's new colour is closed each frame. 0 follows the picture exactly; ~200 is Hyperion's default feel (about 200 ms to settle). The top of the range is a slow colour wash rather than an ambilight. -- `snapAbove` — a channel moving further than this jumps instead of easing. A scene cut is a real jump, and smoothing through it reads as the lights lagging the picture. -- `fadeInMs` — ramps the output up from black when a picture arrives after a gap: boot, a console waking, a grabber replugged. 0 lands it at full immediately. -- `edgeDepth` — how far into the picture the **outermost** lights look, as a percentage. Their own share is 1/height of the frame — a sliver at the very edge, where compression is worst. Hyperion samples ~8%. 0 keeps the plain division, which is what a video wall wants. It **sets** the depth rather than raising a floor, so a value below a position's own share makes its zone thinner instead — useful when the strip sits right against the bezel and should track the extreme edge. -- `detectBlackBars` — find the letterbox and map the lights across the **picture** instead of the frame. Without it, a 2.35:1 film puts bars exactly where the top and bottom lights look and they go dark while the screen is bright. `edgeDepth` cannot fix that: it widens a zone from the edge, so the bar stays inside it. -- `barLevel` — how dark a pixel must be to count as bar, 0–64. Not 0, because compression leaves ringing at the bar/picture boundary. The default 12 (about 5%) matches Hyperion and suits MJPEG, which is conventionally full-range so black arrives near 0. **If bars are never detected, suspect a grabber passing limited range through** — black then sits at 16 and nothing below 12 ever matches; raise this above 16. Lower it if dark scenes get cropped instead. A reading is adopted only after 30 frames agree, and anything deeper than 40% of the axis is refused as a scene rather than a bar. +- `brightness`: scales the sampled colour. Dims *the video*, unlike the driver's brightness which dims everything. +- `saturation`: how far each channel is pushed from its zone's luma, as a percentage (100 = the mean untouched). Averaging mixes hues, so screen-follow lighting reads washed out without a boost. +- `smoothing`: how much of the gap to a light's new colour is closed per frame. 0 follows the picture exactly; about 200 is Hyperion's default feel, roughly 200 ms to settle. The top of the range is a slow colour wash rather than an ambilight. +- `snapAbove`: a channel moving further than this jumps instead of easing. A scene cut is a real jump, and smoothing through it reads as the lights lagging the picture. +- `fadeInMs`: ramps the output up from black when a picture arrives after a gap: boot, a console waking, a grabber replugged. 0 lands it at full immediately. +- `edgeDepth`: how far into the picture the **outermost** lights look, as a percentage. Their own share is 1/height of the frame, a sliver at the very edge where compression is worst; Hyperion samples about 8%. It **sets** the depth rather than raising a floor, so a value below a position's own share makes its zone thinner instead. 0 keeps the plain division, which is what a video wall wants. +- `detectBlackBars`: map the lights across the **picture** rather than the frame. Without it a 2.35:1 film puts bars exactly where the top and bottom lights look, and they go dark while the screen is bright. `edgeDepth` cannot fix that: it widens a zone from the edge, so the bar stays inside it. +- `barLevel`: how dark a pixel must be to count as bar (0 to 64). Not 0, because compression leaves ringing at the bar/picture boundary. The default 12 (about 5%) matches Hyperion and suits MJPEG, which is conventionally full-range so black arrives near 0. **If bars are never detected**, suspect a grabber passing limited range through: black then sits at 16 and nothing below 12 ever matches, so raise this above 16. Lower it if dark scenes get cropped instead. -**The layout decides the shape.** The effect fills a logical box and knows nothing else. On a [Rectangle](layouts.md#rectangle) the interior maps to no LED, so a border strip shows the frame's border; on a [Grid](layouts.md#grid) the same effect is a video wall. Where your strip starts and which way it runs are `startCorner` and `clockwise` on the layout, not settings here. +Bar detection resists a dark *scene* two ways: a reading is adopted only after 30 agreeing frames, and anything deeper than 40% of an axis is refused as a scene rather than a bar. -With no video source it paints black — every effect owns its background, so returning early would leave the previous effect's picture frozen on the strip. +**The layout decides the shape.** The effect fills a logical box and knows nothing else. On a [Rectangle](layouts.md#rectangle) the interior maps to no LED, so a border strip shows the frame's border; on a [Grid](layouts.md#grid) the same effect is a video wall. Where your strip starts and which way it runs are `startCorner`, `offset` and `clockwise` on the layout, not settings here. + +With no video source it paints black. Every effect owns its background, so returning early would leave the previous effect's picture frozen on the strip. Origin: projectMM diff --git a/docs/moonmodules/light/layouts.md b/docs/moonmodules/light/layouts.md index dc4103a0..02b52836 100644 --- a/docs/moonmodules/light/layouts.md +++ b/docs/moonmodules/light/layouts.md @@ -217,21 +217,15 @@ Detail: [technical](moxygen/GridBlacksLayout.md) ### Rectangle -Lights around the **perimeter** of a `width` × `height` box, nothing inside it — the strip-around-a-frame primitive. A box one light thick degenerates to a plain line. Use [Grid](#grid) when the interior has LEDs too. +Lights around the **perimeter** of a `width` x `height` box, nothing inside it: the strip-around-a-frame primitive. A box one light thick degenerates to a plain line. Use [Grid](#grid) when the interior has LEDs too. -- `width` / `height` — box extent in lights along each edge (1–500); 32×18 default is 16:9. -- `startCorner` — which corner light 0 sits at: top-left / top-right / bottom-right / bottom-left. -- `offset` — lights past that corner where the strip actually begins, for a run that starts partway along an edge. -- `clockwise` — direction the indices run from that corner. -- `sharedCorners` — on (default), one light sits in each corner and the count is `2·(width + height) − 4`: a single strip bent around a frame. Off, each edge keeps its own end and the count is the plain sum `2·(width + height)` — four separate strips, with two lights on each corner coordinate. A 20×10 box is 56 lights shared, 60 unshared. +- `width` / `height`: box extent in lights along each edge (1 to 500); 32x18 default is 16:9. +- `startCorner`: which corner light 0 sits at, top-left / top-right / bottom-right / bottom-left. +- `offset`: lights past that corner where the strip actually begins, for a run that starts partway along an edge. +- `clockwise`: direction the indices run from that corner. +- `sharedCorners`: on (default), one light sits in each corner and the count is `2·(width + height) − 4`, a single strip bent around a frame. Off, each edge keeps its own end and the count is the plain sum `2·(width + height)`: four separate strips, two lights on each corner coordinate. A 20x10 box is 56 lights shared, 60 unshared. -`startCorner`, `offset` and `clockwise` describe the **wiring, not the shape**: they reorder indices while every coordinate stays identical, so set them to match your build and an effect's "top edge" lights the physical top edge. Same split [Single Row](#singlerow) draws with `reversed order` and [Grid](#grid) with `serpentine`. `sharedCorners` is the exception — it changes how many lights there are. - -Origin: projectMM - -Detail: [technical](moxygen/RectangleLayout.md) - -[Tests](../../tests/unit-tests.md#rectanglelayout) +`startCorner`, `offset` and `clockwise` describe the **wiring, not the shape**: they reorder indices while every coordinate stays identical, so set them to match your build and an effect's "top edge" lights the physical top edge. Same split [Single Row](#singlerow) draws with `reversed order` and [Grid](#grid) with `serpentine`. `sharedCorners` is the exception, since it changes how many lights there are. diff --git a/src/core/VideoFrame.h b/src/core/VideoFrame.h index ebcde1b3..9d896df9 100644 --- a/src/core/VideoFrame.h +++ b/src/core/VideoFrame.h @@ -8,7 +8,7 @@ namespace mm { // plain-struct contract as AudioFrame, except a frame is hundreds of kilobytes, so this borrows a // pointer to the producer's buffer rather than carrying the pixels. // -// `rgb` is valid only until VideoService's next tick — hold it for one effect tick, never across +// `rgb` is valid only until VideoService's next tick: hold it for one effect tick, never across // frames. Before any frame exists it is null, which every consumer must tolerate. struct VideoFrame { const uint8_t* rgb = nullptr; // width*height*3, row-major, top-left origin, no padding diff --git a/src/core/VideoService.h b/src/core/VideoService.h index 730fa4b8..84519c4d 100644 --- a/src/core/VideoService.h +++ b/src/core/VideoService.h @@ -1,7 +1,7 @@ #pragma once #include "core/ActiveInstance.h" // the one-active-source seat (RAII vacate on destruct) -#include "core/color.h" // RGB — the pattern's band colours +#include "core/color.h" // RGB: the pattern's band colours #include "core/MoonModule.h" #include "core/ScratchBuffer.h" #include "core/VideoFrame.h" @@ -13,7 +13,7 @@ namespace mm { -/// The device's video input — one decoded RGB frame per tick, published through the static +/// The device's video input: one decoded RGB frame per tick, published through the static /// `latestFrame()`. Decoded once here however many effects read it, and effects hold no pointer /// to this module. /// @@ -21,7 +21,7 @@ namespace mm { /// border-mapped effect's orientation self-evident, so a mis-set `startCorner` shows up as the /// wrong physical edge lighting rather than as a subtly wrong picture. `file` reads a binary PPM. /// -/// PPM rather than JPEG because there is no software JPEG decoder here — the real capture path uses +/// PPM rather than JPEG because there is no software JPEG decoder here. the real capture path uses /// the P4's JPEG hardware behind the platform layer, and adding one for the desktop build would buy /// a dependency for a convenience. USB capture lands as a third source filling the same buffer. /// @@ -39,7 +39,7 @@ class VideoService : public MoonModule { static constexpr const char* kSourceOptions[] = {"test pattern", "file", "usb"}; // A target with no High-Speed USB host or no JPEG decoder cannot capture, so it is not offered - // the option — the two software sources still work everywhere. + // the option: the two software sources still work everywhere. static constexpr uint8_t kSourceCount = platform::hasUsbVideo ? 3 : 2; // Synthesised-pattern extent. Small on purpose: a border effect averages the frame down to a @@ -68,7 +68,7 @@ class VideoService : public MoonModule { controls_.addButton("reload"); controls_.setHidden(controls_.count() - 1, source != 1); // The device decides what is on offer, so there is nothing to type. Until one has - // enumerated the control still renders — read-only, holding a placeholder — rather than + // enumerated the control still renders (read-only, holding a placeholder) rather than // appearing out of nowhere once a cable is plugged in. static constexpr const char* kNoDevice[] = {"no device"}; const bool known = formatCount_ > 0; @@ -84,7 +84,7 @@ class VideoService : public MoonModule { } /// A source switch changes what the buffer must hold, so it re-runs the whole build. The reload - /// button re-reads the same file in place — cheap, and it must NOT tear down the pipeline. + /// button re-reads the same file in place: cheap, and it must NOT tear down the pipeline. bool affectsPrepare(const char* name) const override { return std::strcmp(name, "source") == 0 || std::strcmp(name, "file") == 0 || std::strcmp(name, "offered") == 0; @@ -99,12 +99,12 @@ class VideoService : public MoonModule { /// Cold path: size the frame buffer for the selected source and fill it once, so a frame exists /// before the first tick rather than one tick later. void prepare() override { - seat_.claim(); // re-take after a disable/enable cycle — release() vacated it + seat_.claim(); // re-take after a disable/enable cycle: release() vacated it platform::videoCaptureDeinit(capture_); // a source switch releases the device if (source >= kSourceCount) source = 0; // a config restored from a capture-capable board if (source == 2) { // The first open doubles as a probe: a device only lists its formats once it - // enumerates, which happens inside init — so open, learn what is really on offer, and + // enumerates, which happens inside init, so open, learn what is really on offer, and // open again when a restored pick differs. Only the last attempt reports, or a failed // probe would leave an error over the retry that fixed it. bool open = platform::videoCaptureInit(capture_, usbWidth, usbHeight, usbFps); @@ -155,7 +155,7 @@ class VideoService : public MoonModule { // disable/enable, and in tick() so a survivor inherits an empty seat. ActiveInstance seat_{*this}; - /// Resolve the selected row into the request fields. True when that changed something — the + /// Resolve the selected row into the request fields. True when that changed something: the /// index survives a reboot but the list behind it does not, so this is how a restored pick /// reaches the device. bool applyFormat() { @@ -169,7 +169,7 @@ class VideoService : public MoonModule { } /// Cold path: cache what the device advertises as dropdown labels. Kept out of - /// defineControls(), which must stay pure — it only reads what this leaves behind. + /// defineControls(), which must stay pure. it only reads what this leaves behind. void readFormats() { const uint8_t was = formatCount_; formatCount_ = static_cast(platform::videoCaptureFormats(formats_, kMaxFormats)); @@ -182,7 +182,7 @@ class VideoService : public MoonModule { if (formatCount_ != was) rebuildControls(); // the dropdown appeared, or its length changed } - /// Publish the newest decoded frame. Unlike the other sources this does not fill buf_ — the + /// Publish the newest decoded frame. Unlike the other sources this does not fill buf_: the /// JPEG decoder owns its output buffer (it writes it by DMA, with its own alignment), so the /// frame borrows that instead. void readCapture() MM_NONBLOCKING { @@ -196,7 +196,7 @@ class VideoService : public MoonModule { publish(); return; } - // A gap of one tick is normal — the decoder runs at its own rate. A long one means the + // A gap of one tick is normal: the decoder runs at its own rate. A long one means the // source stopped (a console asleep, a cable out), and holding the last picture would leave // the room lit by a frozen frame. Dropping it makes every effect fall back to black. if (staleMs && frame_.rgb && platform::millis() - lastFrameMs_ > staleMs) frame_ = VideoFrame{}; @@ -204,7 +204,7 @@ class VideoService : public MoonModule { platform::VideoCaptureHandle capture_; - // Derived from the selected row, never typed — what actually gets requested of the device, and + // Derived from the selected row, never typed: what actually gets requested of the device, and // the opening bid before one has listed its formats. 16:9 on purpose: a 4:3 capture makes a // 16:9 source letterbox into it, and the border zones then average bars instead of picture. uint16_t usbWidth = 848; @@ -246,11 +246,11 @@ class VideoService : public MoonModule { return true; } - /// Publish the buffer as a NEW frame — the sequence bump is what tells a consumer the pixels + /// Publish the buffer as a NEW frame: the sequence bump is what tells a consumer the pixels /// changed, so every producer path ends here (see VideoFrame::seq). void publish() { frame_.seq = ++seq_; } - // Four coloured border bands and a sweeping white block. Integer-only and allocation-free — it + // Four coloured border bands and a sweeping white block. Integer-only and allocation-free: it // runs on the render tick. void renderPattern() { uint8_t* p = buf_.data(); @@ -321,7 +321,7 @@ class VideoService : public MoonModule { const long maxval = cur.readInt(); if (ww <= 0 || ww > static_cast(kMaxDim)) return -1; if (hh <= 0 || hh > static_cast(kMaxDim)) return -1; - if (maxval != 255) return -1; // 16-bit samples are two big-endian bytes — another format + if (maxval != 255) return -1; // 16-bit samples are two big-endian bytes: another format if (cur.pos >= len) return -1; // no separator byte, so no pixel data can follow w = static_cast(ww); diff --git a/src/light/drivers/Correction.h b/src/light/drivers/Correction.h index 0d1ec4e3..dedd15d9 100644 --- a/src/light/drivers/Correction.h +++ b/src/light/drivers/Correction.h @@ -1,6 +1,6 @@ #pragma once -#include // std::pow — the gamma curve +#include // std::pow, the gamma curve #include #include "light/ChannelRole.h" @@ -45,11 +45,11 @@ inline constexpr uint8_t kWhiteModeCount = sizeof(kWhiteModeOptions) / sizeof(kW // Non-color roles (pan/tilt/…) live in the role array for the fixture/preview to read; // apply() only writes the color roles it derived offsets for. // -// Brightness, gamma and white balance all bake into ONE per-channel table — `briLut[3][256]`, +// Brightness, gamma and white balance all bake into ONE per-channel table: `briLut[3][256]`, // one row per SOURCE channel (0=R, 1=G, 2=B), filled as `gamma(v) × brightness × balance`. struct Correction { static constexpr uint8_t kAbsent = 255; // color role not carried by this light - static constexpr uint8_t kGammaOff = 10; // gamma 1.0 — the identity curve, and the default + static constexpr uint8_t kGammaOff = 10; // gamma 1.0: the identity curve, and the default uint8_t briLut[3][256] = {}; // briLut[ch][v] = gamma(v) * brightness * balance[ch], ch: 0=R 1=G 2=B // Derived hot-path cache: the output-byte position of each color role. Source is @@ -120,12 +120,12 @@ struct Correction { // fade. Canon: Adafruit, "LED Tricks: Gamma Correction". uint8_t gamma10 = kGammaOff; // Per-channel white balance, 255 = untouched. Die efficiencies differ, so a white-looking RGB - // triple rarely renders neutral — trim the stronger channels DOWN to match the weakest. Up is + // triple rarely renders neutral: trim the stronger channels DOWN to match the weakest. Up is // not available: there is no headroom above 255, so raising clips instead of balancing. uint8_t balRed = 255, balGreen = 255, balBlue = 255; // Per CHANNEL, not per light: a white die draws about twice a colour one, so one per-light - // figure under-reports white-heavy frames — the direction that browns out a supply. Measured + // figure under-reports white-heavy frames: the direction that browns out a supply. Measured // on a 5 m SK6812 RGBW strip. uint16_t budgetMa = 0; // 0 disables the limiter uint8_t mAColor = 8; // one R/G/B channel at 255 @@ -133,15 +133,15 @@ struct Correction { uint16_t limit = 256; // measure() sets it; 256 = unity, so an unlimited frame is bit-exact // Cold path: refresh the output tables and DERIVE the color-role offsets from the - // light's channel-role array (`roles`, `nChannels` entries — the driver's dynamic + // light's channel-role array (`roles`, `nChannels` entries: the driver's dynamic // array, canonical). A role appearing at channel i sets that color's offset to i; // a color role not present stays kAbsent (apply() skips it). outChannels becomes the - // channel count. Non-color roles (pan/tilt/…) are ignored here — they're written by + // channel count. Non-color roles (pan/tilt/…) are ignored here: they're written by // the fixture role writers, not by apply()'s RGB path. // Refill the three output tables from `brightness` plus the current gamma / balance fields. // Split out so a brightness-only change re-scales them without touching the channel offsets, // and so a driver can apply brightness even when the role source (the preset library) isn't - // available yet. Every gamma or balance edit routes through here too — they are inputs to the + // available yet. Every gamma or balance edit routes through here too. they are inputs to the // same fill, so there is one rebuild, not three. void rebuildBrightness(uint8_t brightness) { // Gamma FIRST, then the linear scales: scaling before the curve would re-shape it at every @@ -219,6 +219,13 @@ struct Correction { if (subtractWhite) { r -= w; g -= w; b -= w; } sum += (static_cast(r) + g + b) * mAColor + static_cast(w) * whiteMa; } + // A master dimmer is held at 255 every frame, so its draw is a constant rather than a term + // in the loop. It has to be counted: on an addressable strip every byte is a die, and the + // IRGB preset puts a Dimmer on one of them, and 300 lights of that is amps the budget + // never saw. + // On a fixture with its own supply this over-reports, which is the safe direction, and the + // drivers that feed one (NetworkSendDriver, Hue) do not price frames at all. + if (offDimmer != kAbsent) sum += n * 255u * mAColor; const uint32_t demandMa = sum / 255; if (demandMa > budgetMa) limit = static_cast((budgetMa * 256u) / demandMa); } diff --git a/src/light/drivers/DriverBase.h b/src/light/drivers/DriverBase.h index ca8f2c00..45b8a8c8 100644 --- a/src/light/drivers/DriverBase.h +++ b/src/light/drivers/DriverBase.h @@ -59,7 +59,7 @@ class DriverBase : public MoonModule { /// Template method: every driver card leads with the per-driver output correction /// (localBrightness / lightPreset / whiteMode / gamma / balance / Custom offsets), added once - /// here in the base so no driver re-implements the placement (the No-duplication rule) — then + /// here in the base so no driver re-implements the placement (the No-duplication rule): then /// the driver's own controls via defineDriverControls(), which a driver overrides instead. /// A driver that emits raw RGB and ignores correction (Preview) or fixes it internally (Hue) /// opts out by returning false from hasCorrectionControls(). @@ -273,7 +273,7 @@ class DriverBase : public MoonModule { uint32_t presetId_ = 0; // stable id into the LightPresets library (0 → resolve to default) uint8_t presetSel_ = 0; // the preset Select's chosen INDEX (mapped to an id in onControlChanged) uint8_t whiteMode_ = static_cast(WhiteMode::Min); // index into kWhiteModeOptions - /// Whether this driver calls Correction::measure() before its emit loop. False by default — + /// Whether this driver calls Correction::measure() before its emit loop. False by default - /// a network sender feeds another board's supply, so only the drivers that measure are offered /// the controls. virtual bool limitsCurrent() const { return false; } @@ -282,7 +282,7 @@ class DriverBase : public MoonModule { uint8_t mAColor_ = 8; // measured on SK6812 RGBW: R 7.98, G 8.11, B 7.98 uint8_t mAWhite_ = 16; // measured: W 16.11 uint8_t localBrightness_ = 255; // per-driver dim, multiplied with the global brightness - // Calibration for THIS fixture, so per-driver rather than global — two strips on one board can + // Calibration for THIS fixture, so per-driver rather than global: two strips on one board can // need different values. Semantics in Correction.h. uint8_t gamma10_ = Correction::kGammaOff; uint8_t balRed_ = 255, balGreen_ = 255, balBlue_ = 255; @@ -295,7 +295,7 @@ class DriverBase : public MoonModule { /// Add the correction controls: localBrightness first (the setting a user reaches for most), /// then the preset Select (its options are the LightPresets library's names; the chosen index /// maps to a stable preset id), then whiteMode, then the calibration block (gamma and the three - /// white-balance trims) — the wiring a user must get right first, then the values they tune once + /// white-balance trims): the wiring a user must get right first, then the values they tune once /// against the fixture. A driver calls this from its defineDriverControls via the /// DriverBase::defineControls template method. The Select is rebuilt from the library on /// every defineControls (which re-runs on a control change), so adding/renaming a preset shows up. diff --git a/src/light/drivers/Drivers.h b/src/light/drivers/Drivers.h index 6515c12d..ab18ef47 100644 --- a/src/light/drivers/Drivers.h +++ b/src/light/drivers/Drivers.h @@ -125,7 +125,7 @@ class Drivers : public MoonModule { /// Global brightness (0–255). Scales every channel through each driver's per-channel LUT /// (`(v × brightness) / 255`, after that driver's gamma curve and white-balance trim); - /// changing it rebuilds only those LUTs on the cheap `onControlChanged` tier — no pipeline + /// changing it rebuilds only those LUTs on the cheap `onControlChanged` tier: no pipeline /// realloc, so the slider is fluent. Gamma and white balance are per-DRIVER (they describe a /// fixture, not the board), so they live on DriverBase; only brightness is global. diff --git a/src/light/effects/AmbilightEffect.h b/src/light/effects/AmbilightEffect.h index 58dc242c..7faffaf0 100644 --- a/src/light/effects/AmbilightEffect.h +++ b/src/light/effects/AmbilightEffect.h @@ -17,12 +17,12 @@ namespace mm { // DESTINATION the layer's logical box, counted in lightsX x lightsY // LIGHT POSITIONS // -// The source is far the bigger — e.g. a 640x480 picture onto a strip of 60 positions — so each +// The source is far the bigger (e.g. a 640x480 picture onto a strip of 60 positions) so each // light position owns a whole rectangle of pixels and shows their average. // // The layout decides the shape: on a RectangleLayout the interior maps to no LED, so a border // strip shows the frame's border for free; on a GridLayout the same effect is a video wall. The -// effect asks the mapping only ONE question — does this position light anything — and skips the +// effect asks the mapping only ONE question (does this position light anything) and skips the // averaging where the answer is no. On a border layout that is most of the box. /// Effect that paints the layer with the live video frame (screen-follow ambient light). @@ -59,7 +59,7 @@ class AmbilightEffect : public EffectBase { } /// Turning smoothing on or off allocates or frees the accumulators, so it has to re-run - /// prepare() — without this the buffer stays empty and the setting does nothing. + /// prepare(): without this the buffer stays empty and the setting does nothing. bool affectsPrepare(const char* name) const override { return std::strcmp(name, "smoothing") == 0; } /// Cold path. applyState() prepares a parent before its children, so the Layer's mapping is @@ -74,13 +74,13 @@ class AmbilightEffect : public EffectBase { buildLitList(positions); } - /// The positions that reach an LED, packed y<<16|x, so tick() walks only those — a few hundred + /// The positions that reach an LED, packed y<<16|x, so tick() walks only those: a few hundred /// of tens of thousands on a border layout. void buildLitList(size_t positions) { litCount_ = 0; const MappingLUT& lut = layer()->lut(); // A table-free (identity) mapping lights every position, so the list would be 0,1,2,3... - // — 4 bytes a position to say "all of them", where the plain loop needs none. + //: 4 bytes a position to say "all of them", where the plain loop needs none. allLit_ = !lut.hasLUT(); if (allLit_ || positions == 0) { lit_.resize(0); @@ -98,7 +98,7 @@ class AmbilightEffect : public EffectBase { const draw::Canvas out = canvas(); // No source: paint black rather than return, or the PREVIOUS effect's picture stays frozen - // on the strip. A merely dropped frame never lands here — VideoService keeps its buffer. + // on the strip. A merely dropped frame never lands here: VideoService keeps its buffer. if (!frame->rgb || frame->width == 0 || frame->height == 0) { draw::fill(out, {0, 0, 0}); primed_ = false; // so the next frame lands whole instead of creeping up out of black @@ -127,13 +127,13 @@ class AmbilightEffect : public EffectBase { paint(out, *frame, region, x, y, lightsX, lightsY, canSmooth, level); } else if (lit_) { // The list. Unlit positions are never written, so they keep the black - // Layer::prepare() left on the rebuild this effect's prepare() rode in on — BlendMap + // Layer::prepare() left on the rebuild this effect's prepare() rode in on, BlendMap // never reads them, but PreviewDriver shows the raw buffer and must not see a ghost. for (size_t i = 0; i < litCount_; i++) paint(out, *frame, region, static_cast(lit_[i] & 0xFFFF), static_cast(lit_[i] >> 16), lightsX, lightsY, canSmooth, level); } else { - // The list could not be allocated. Same output, asking the mapping per position — + // The list could not be allocated. Same output, asking the mapping per position - // which is the cost the list exists to avoid. const MappingLUT& lut = layer()->lut(); draw::fill(out, {0, 0, 0}); @@ -159,7 +159,7 @@ class AmbilightEffect : public EffectBase { int width = 0, height = 0; int deepX = 0, deepY = 0; // edgeDepth in pixels, so the divide is not per position - /// Which source pixels one light position covers — its share of the picture, shifted back + /// Which source pixels one light position covers: its share of the picture, shifted back /// into frame coordinates. Every input lives here, so the loop only asks. Span cols(int x, int lightsX) const { return spanFor(x, lightsX, width, deepX).shifted(left); } Span rows(int y, int lightsY) const { return spanFor(y, lightsY, height, deepY).shifted(top); } @@ -183,7 +183,7 @@ class AmbilightEffect : public EffectBase { r.width = frame.width - bars.left - bars.right; r.height = frame.height - bars.top - bars.bottom; // Rounded UP, so any non-zero percentage is at least one pixel. Flooring would let a small - // setting on a small frame land on 0, which is the off value — the control would go quiet. + // setting on a small frame land on 0, which is the off value: the control would go quiet. r.deepX = (r.width * edgeDepth + 99) / 100; r.deepY = (r.height * edgeDepth + 99) / 100; return r; @@ -214,7 +214,7 @@ class AmbilightEffect : public EffectBase { static bool scansFromEnd(Edge e) MM_NONBLOCKING { return e == Edge::Bottom || e == Edge::Right; } /// Is this line dark all the way across? Sampled at a few evenly spaced points rather than - /// every pixel — a bar is uniform, so a handful of probes settles it for a fraction of the cost. + /// every pixel: a bar is uniform, so a handful of probes settles it for a fraction of the cost. bool lineIsDark(const VideoFrame& frame, int line, Edge edge) const MM_NONBLOCKING { const bool horizontal = scansRows(edge); const int along = horizontal ? frame.width : frame.height; @@ -240,7 +240,7 @@ class AmbilightEffect : public EffectBase { return limit; } - /// Scan this frame and return the bars IN EFFECT — which is not necessarily what was just + /// Scan this frame and return the bars IN EFFECT, which is not necessarily what was just /// seen. A reading is adopted only once kStableFrames of them agree: bars come and go at scene /// changes, and a mapping that follows every dark frame twitches worse than one that ignores /// them. Hence the state; the return value is what the caller should actually map across. @@ -265,7 +265,7 @@ class AmbilightEffect : public EffectBase { /// Which source pixels light position `lightId` covers along one axis. /// - `pixels` shared evenly among `lightsSize` positions, cut at the edges so ranges meet exactly - /// - a position ON an edge takes exactly `deep` instead of its share — deeper OR shallower, so + /// - a position ON an edge takes exactly `deep` instead of its share: deeper OR shallower, so /// the control sets the depth rather than raising a floor under it /// - `deep` of 0 leaves the plain division; interior positions are on no edge either way /// - an empty range widens to one pixel, so a strip finer than the picture still lights up @@ -285,7 +285,7 @@ class AmbilightEffect : public EffectBase { return {begin, end}; } - /// Mean of one light position's pixels — the box filter Hyperion uses. uint32 accumulators + /// Mean of one light position's pixels: the box filter Hyperion uses. uint32 accumulators /// because 640x480 onto 32x18 is ~520 pixels each, and 520 x 255 overflows 16 bits several times. static RGB meanOf(const VideoFrame& frame, Span cols, Span rows) { uint32_t sr = 0, sg = 0, sb = 0; @@ -341,7 +341,7 @@ class AmbilightEffect : public EffectBase { } /// Walk each channel a fraction of the way toward `color`. The state is 8.8 so the fraction of - /// a step survives between frames — in whole bytes a slow setting rounds every step to zero. + /// a step survives between frames: in whole bytes a slow setting rounds every step to zero. RGB smooth(size_t lightId, RGB color) MM_NONBLOCKING { const uint8_t target[3] = {color.r, color.g, color.b}; const int32_t step = 256 - smoothing; // gap closed per frame, of 256 diff --git a/src/light/layers/MappingLUT.h b/src/light/layers/MappingLUT.h index 2bd1a5c9..6ab5aeae 100644 --- a/src/light/layers/MappingLUT.h +++ b/src/light/layers/MappingLUT.h @@ -133,7 +133,7 @@ class MappingLUT { + static_cast(maxDest) * sizeof(nrOfLightsType); } - /// Hot-path: does this logical index reach any physical light at all? O(1) — the CSR run is + /// Hot-path: does this logical index reach any physical light at all? O(1), the CSR run is /// empty exactly when its two offsets match. Lets a producer skip work whose result would be /// discarded: on a border layout most of the logical box maps to nothing. bool hasDestination(nrOfLightsType logicalIdx) const MM_NONBLOCKING { diff --git a/src/light/layouts/RectangleLayout.h b/src/light/layouts/RectangleLayout.h index 32ece920..9ed6103e 100644 --- a/src/light/layouts/RectangleLayout.h +++ b/src/light/layouts/RectangleLayout.h @@ -5,11 +5,11 @@ namespace mm { // A hollow rectangle: lights around the PERIMETER of a `width` x `height` box, nothing inside it. -// The strip-around-a-frame primitive — a TV backlight, a mirror surround, a sign border. +// The strip-around-a-frame primitive: a TV backlight, a mirror surround, a sign border. // // - Each corner counts once by default, so the count is `2(width + height) - 4`: a strip bent // around a frame has ONE LED in the corner, even though that corner belongs to two edges. Four -// separate strips instead have their own end there — `sharedCorners` off gives `2(width+height)`, +// separate strips instead have their own end there: `sharedCorners` off gives `2(width+height)`, // with two lights on each corner coordinate. // - `offset` slides the wiring around the perimeter, for a strip that starts partway along an edge // rather than at a corner. @@ -54,7 +54,7 @@ class RectangleLayout : public LayoutBase { private: /// Perimeter cell count. the -4 is the four corners, each belonging to two edges. A box one - /// light thick has no interior to go around, so it degenerates to a line — the rectangle + /// light thick has no interior to go around, so it degenerates to a line: the rectangle /// formula would walk those cells twice and light phantom positions. nrOfLightsType perimeter() const { if (width == 0 || height == 0) return 0; @@ -74,7 +74,7 @@ class RectangleLayout : public LayoutBase { /// left bottom to top h-2 cells (h "") /// /// Unshared, each edge keeps its own corner: the right edge starts AT the top-right rather than - /// below it, so two lights land on each corner coordinate — four strip ends meeting there. + /// below it, so two lights land on each corner coordinate: four strip ends meeting there. Coord3D coordAt(nrOfLightsType i, nrOfLightsType n) const { const int w = width, h = height, k = static_cast(walkIndex(i, n)); @@ -97,7 +97,7 @@ class RectangleLayout : public LayoutBase { return at(0, h - 1 - (k - bottomEnd) - drop); // y falls, x = 0 } - /// Step at which each start corner sits on the reference walk — its segment boundaries, so a + /// Step at which each start corner sits on the reference walk: its segment boundaries, so a /// corner resolves to an exact index rather than a search. nrOfLightsType startIndex() const { const int w = width, h = height; diff --git a/src/platform/desktop/platform_desktop.cpp b/src/platform/desktop/platform_desktop.cpp index d26fb435..b29f788e 100644 --- a/src/platform/desktop/platform_desktop.cpp +++ b/src/platform/desktop/platform_desktop.cpp @@ -2124,7 +2124,7 @@ RmtLoopbackResult parlioWs2812Loopback(const uint16_t* /*dataPins*/, uint8_t /*l // Audio codec + capture live in platform_desktop_audio.cpp (the miniaudio TU): codec is a // succeed-no-op (nothing to bring up), the mic seam reads the OS capture device. -// USB video capture — no USB host on desktop, so init fails and VideoService's usb +// USB video capture: no USB host on desktop, so init fails and VideoService's usb // source reports "no capture device" while its other sources keep working. bool videoCaptureInit(VideoCaptureHandle& /*h*/, uint16_t /*width*/, uint16_t /*height*/, uint8_t /*fps*/) { diff --git a/src/platform/esp32/platform_config.h b/src/platform/esp32/platform_config.h index f1a07d1b..1a9ffb6f 100644 --- a/src/platform/esp32/platform_config.h +++ b/src/platform/esp32/platform_config.h @@ -57,7 +57,7 @@ constexpr bool isEsp32S3 = false; #endif // isEsp32S31: the S31 is the only target whose EMAC is RGMII / 1 Gb (SOC_EMAC_SUPPORT_1000M), -// where classic/P4 are RMII: so its Ethernet default is a distinct RGMII PHY (YT8531) with a +// where classic/P4 are RMII, so its Ethernet default is a distinct RGMII PHY (YT8531) with a // different pin set. Not derivable from a SOC flag (the RGMII data pins are board wiring, not a // chip property). Used by ethConfigDefault and ethInitEmac's RGMII branch/log. #ifdef CONFIG_IDF_TARGET_ESP32S31 @@ -175,7 +175,7 @@ constexpr uint8_t parlioLanes = 0; // classic chip's ONLY >8-lane route (it has neither LCD_CAM nor Parlio). IDF's esp_lcd // component backs the SAME esp_lcd i80 API (esp_lcd_new_i80_bus / tx_color, 8-or-16 bus // width, WR/DC) with the I2S peripheral on the classic ESP32 (esp_lcd_panel_io_i2s.c), -// using WHOLE-FRAME chained DMA: so MultiPinLedDriver reuses the MultiPinLedDriver code path and +// using WHOLE-FRAME chained DMA, so MultiPinLedDriver reuses the MultiPinLedDriver code path and // the i80Ws2812* seam, not a bespoke ISR ring. Gate CLASSIC-ONLY: SOC_LCD_I80_SUPPORTED // is set on the classic chip (I2S backend) AND the LCD_CAM chips (S3/P4/S31, LCD_CAM backend), so // exclude the LCD_CAM chips: otherwise both this and lcdLanes would be non-zero on those chips and @@ -201,7 +201,7 @@ constexpr bool hasI2sMic = false; #endif // USB video needs BOTH, and only the ESP32-P4 has both: a High-Speed USB PHY (the S3 has USB, but -// only the slow kind — too slow to carry video) and a hardware JPEG decoder. +// only the slow kind: too slow to carry video) and a hardware JPEG decoder. #if defined(CONFIG_SOC_USB_UTMI_PHY_NUM) && defined(CONFIG_SOC_JPEG_DECODE_SUPPORTED) constexpr bool hasUsbVideo = true; #else diff --git a/src/platform/esp32/platform_esp32_usbvideo.cpp b/src/platform/esp32/platform_esp32_usbvideo.cpp index 1cc43400..18bfab99 100644 --- a/src/platform/esp32/platform_esp32_usbvideo.cpp +++ b/src/platform/esp32/platform_esp32_usbvideo.cpp @@ -1,4 +1,4 @@ -// USB video capture — the peripheral half of VideoService (src/core/VideoService.h). An HDMI +// USB video capture: the peripheral half of VideoService (src/core/VideoService.h). An HDMI // grabber presents itself as a UVC webcam; this file owns the UVC stream and the JPEG decode. // // MJPEG, because uncompressed does not fit: 640x480 YUY2 at 60 fps is 37 MB/s against a USB 2.0 @@ -9,7 +9,7 @@ // enumeration that loop drives, so it cannot share a thread with init. // // Decoding runs on a task of its own too. jpeg_decoder_process() blocks, and the render tick is -// MM_NONBLOCKING — so videoCaptureFrame only reads an index, and the frame it names was decoded +// MM_NONBLOCKING, so videoCaptureFrame only reads an index, and the frame it names was decoded // earlier by decoderTask. A frame arriving while one is still pending is dropped: the newest is // the only one worth having. @@ -58,7 +58,7 @@ struct Capture { SemaphoreHandle_t stopped = nullptr; // decoder -> deinit std::atomic running{false}; - // Decoded RGB888, from jpeg_alloc_decoder_mem for its cache-line and 2D-DMA alignment — a + // Decoded RGB888, from jpeg_alloc_decoder_mem for its cache-line and 2D-DMA alignment: a // plain malloc shows up as intermittent corruption, not an error. uint8_t* rgb[kSlots] = {}; size_t rgbCap = 0; @@ -144,7 +144,7 @@ void addAdvertised(const uvc_host_frame_info_t& info, uint32_t interval, size_t& ESP_LOGI(kTag, "offers MJPEG %ux%u @ %u fps", f.width, f.height, f.fps); } -// Runs on the UVC driver task when a device enumerates — before any stream is opened, which is what +// Runs on the UVC driver task when a device enumerates: before any stream is opened, which is what // makes the list available even when the open then fails on an unsupported resolution. void onDriverEvent(const uvc_host_driver_event_data_t* event, void*) { if (event->type != UVC_HOST_DRIVER_EVENT_DEVICE_CONNECTED) return; @@ -200,7 +200,7 @@ bool allocSlots(Capture& cap, uint16_t w, uint16_t h) { return true; } -// -1 when every slot is spoken for — unreachable while kSlots is 3, but returning a real index +// -1 when every slot is spoken for: unreachable while kSlots is 3, but returning a real index // anyway would hand the decoder a buffer the render thread is reading. Corruption with no error is // worse than a dropped frame. int freeSlot(const Capture& cap) { @@ -212,7 +212,7 @@ int freeSlot(const Capture& cap) { } void decode(Capture& cap, uvc_host_frame_t* frame) { - // Dimensions from the bitstream, not from the request — a device may negotiate something else. + // Dimensions from the bitstream, not from the request: a device may negotiate something else. jpeg_decode_picture_info_t info = {}; if (jpeg_decoder_get_info(frame->data, frame->data_len, &info) != ESP_OK) return; if (static_cast(info.width) * info.height * 3 > cap.rgbCap) { @@ -344,7 +344,7 @@ bool openStream(Capture& cap, uint16_t width, uint16_t height, uint8_t fps) { return true; } -// Sized from what the device agreed to, not from what we asked for — so no frame can arrive +// Sized from what the device agreed to, not from what we asked for, so no frame can arrive // needing more room than the slots have. bool sizeBuffers(Capture& cap) { uvc_host_stream_format_t got = {}; diff --git a/src/platform/platform.h b/src/platform/platform.h index ceb48b06..7f4db3ed 100644 --- a/src/platform/platform.h +++ b/src/platform/platform.h @@ -38,7 +38,7 @@ uint32_t millis() MM_NONBLOCKING; /// /// Exists because C++ `thread_local` is NOT usable on the ESP32: the compiler reaches TLS through /// the THREADPTR special register, and a FreeRTOS task that was not created with TLS initialized -/// has THREADPTR = 0: so the access dereferences a small offset from null (0xfffffff0 was the +/// has THREADPTR = 0, so the access dereferences a small offset from null (0xfffffff0 was the /// measured faulting address) and dies inside the exception handler as a Double exception. This is /// the portable seam for "which thread am I", used where per-thread state is genuinely needed. uintptr_t currentThreadId() MM_NONBLOCKING; @@ -108,7 +108,7 @@ void writeExec(void* dst, const void* src, size_t len); void yield(); // Which CPU core the caller runs on (0 or 1 on the S3; always 0 on single-core parts and desktop). The -// render loop is core 0; the multicore render/encode split runs a driver's tick on core 1: so a driver +// render loop is core 0; the multicore render/encode split runs a driver's tick on core 1, so a driver // seeing core 1 here KNOWS the split is engaged and core 0 is the idle helper (xPortGetCoreID's role). uint8_t currentCore(); // Upper bound on cores that run driver code concurrently: sizes per-CPU scratch (the textbook @@ -267,7 +267,7 @@ const char* chipModel(); const char* sdkVersion(); // CPU frequency + core count as one short static string ("240 MHz, 2 cores"), read from the RUNNING -// hardware, not a config macro: so a stale sdkconfig or a PM downclock is visible in the UI (finding +// hardware, not a config macro, so a stale sdkconfig or a PM downclock is visible in the UI (finding // the chip silently at 160 MHz is exactly what this control exists to catch). Desktop reports cores // only (host clock speed has no portable query). Static-buffer contract as macString above. const char* cpuInfo(); @@ -289,7 +289,7 @@ const char* psramType(); // "no version reply" rather than "not detected": on the bench the C6 associates and // serves traffic while this particular RPC times out, so declaring the slave absent // would be a false statement about working hardware. The field says what is known - -// the query did not answer: and leaves the conclusion to whoever reads it. +// the query did not answer, and leaves the conclusion to whoever reads it. const char* coprocessorWifi(); // This host's LAN IPv4 address as a dotted string, or "" if unavailable. @@ -759,7 +759,7 @@ bool http_fetch_to_ota(const char* url, // set_boot_partition, then RETURNS true (it does NOT reboot: the caller sends its HTTP 200 first, // then reboots into the flashed image, the same order /api/reboot uses). SYNCHRONOUS (unlike // http_fetch_to_ota, which runs on its own task): the caller is the HTTP request handler, which runs -// on the tick20ms tick INSIDE Scheduler::tick: so this blocks rendering for the flash duration. That +// on the tick20ms tick INSIDE Scheduler::tick, so this blocks rendering for the flash duration. That // is the accepted trade-off (a firmware upload is user-initiated and reboots the device on success), // bounded by the same upload idle/hard limits; the caller needs the result to reply. // `statusBuf` / `bytesReadOut` are updated in place (bytesTotal is the caller-supplied @@ -903,7 +903,7 @@ class TcpConnection { // Non-blocking outbound connect to host:port, for a client that must NOT stall the render loop // (MQTT runs on tick1s inside Scheduler::tick). `connectStart` resolves `host` (a hostname via - // getaddrinfo: one bounded DNS lookup: or a dotted-quad IP) and kicks off a non-blocking + // getaddrinfo: one bounded DNS lookup, or a dotted-quad IP) and kicks off a non-blocking // connect, returning immediately; `connectPoll` checks the in-flight connect WITHOUT blocking and // returns Pending / Connected / Failed. The caller polls across ticks and enforces its own overall // timeout, then reads/writes via the non-blocking read()/writeSome(). Caller gates on @@ -1127,7 +1127,7 @@ RmtLoopbackResult i80Ws2812Loopback(const uint16_t* dataPins, uint8_t laneCount, // a hard-coded 4 µs busy-wait before each one. An LCD panel does not care; WS2812 is one // unbroken self-clocked bit stream, so a mid-frame reset garbles everything after it. // That makes a frame split across several esp_lcd transactions impossible to send gaplessly, -// at any chunk size: which in turn forces the whole frame into ONE transaction, and THAT is +// at any chunk size, which in turn forces the whole frame into ONE transaction, and THAT is // what caps the driver: the DMA must stream the entire frame from one contiguous, DMA- // reachable block (hence ~96 lights/strand through the '595 expander on an S3, and no PSRAM // at all on the classic ESP32). @@ -1187,7 +1187,7 @@ struct MoonI80Ws2812Handle { void* impl = nullptr; }; // // `needsPrefill` is the platform's buffer-lifecycle fact the encode's biggest saving hangs on: a ring // buffer's CONSTANT words (the shift waveform frame prefillShiftRows lays) survive recycling: a data-only -// refill of a recycled buffer is byte-identical to a full one: so the encoder may skip the prefill except +// refill of a recycled buffer is byte-identical to a full one, so the encoder may skip the prefill except // when the platform says the buffer's constants are gone: its FIRST use since the pool was built, or after // any platform-side memset (the short-last-slice tail zero, the past-frame zero-fill). Only the platform // knows those events, so it computes the flag; the domain decides what "prefill" means (and may still @@ -1480,7 +1480,7 @@ void audioMicDeinit(AudioMicHandle& h); void audioFft(const float* windowed, size_t n, float* outMag); // --------------------------------------------------------------------------- -// USB video capture (UVC) — an HDMI grabber presenting itself as a webcam. MJPEG +// USB video capture (UVC): an HDMI grabber presenting itself as a webcam. MJPEG // off the wire, decoded by the target's JPEG hardware, so the RGB888 read back here // never passed through a software decoder. ESP32-P4 only; every other target links a // stub whose init fails, which VideoService reports as a status, not an error. @@ -1489,7 +1489,7 @@ void audioFft(const float* windowed, size_t n, float* outMag); struct VideoCaptureHandle { void* impl = nullptr; }; // One row of what the attached device advertises, so the UI offers real choices rather than asking -// the user to guess. MJPEG only — nothing else is decodable here, so there is no format field. +// the user to guess. MJPEG only: nothing else is decodable here, so there is no format field. struct VideoCaptureFormat { uint16_t width = 0; uint16_t height = 0; @@ -1497,7 +1497,7 @@ struct VideoCaptureFormat { }; // Fills `out` with up to `max` of those rows and returns how many were written. Learned when a -// device enumerates, so it survives a failed videoCaptureInit — which is exactly when it is worth +// device enumerates, so it survives a failed videoCaptureInit, which is exactly when it is worth // reading. 0 means no device has been seen yet. size_t videoCaptureFormats(VideoCaptureFormat* out, size_t max); @@ -1509,14 +1509,14 @@ bool videoCaptureInit(VideoCaptureHandle& h, uint16_t width, uint16_t height, ui // Newest decoded frame as RGB888, or nullptr when none arrived since the last call. // The buffer belongs to the platform (the JPEG decoder writes it by DMA and needs its -// own alignment) and stays valid until the next call — the caller borrows it for one +// own alignment) and stays valid until the next call: the caller borrows it for one // tick, exactly as VideoFrame does. const uint8_t* videoCaptureFrame(VideoCaptureHandle& h, uint16_t& width, uint16_t& height) MM_NONBLOCKING; void videoCaptureDeinit(VideoCaptureHandle& h); // --------------------------------------------------------------------------- -// I2C bus diagnostics — domain-neutral, not audio-specific. Probes a bus and +// I2C bus diagnostics: domain-neutral, not audio-specific. Probes a bus and // I2C bus diagnostics: domain-neutral, not audio-specific. Probes a bus and // reports which 7-bit addresses ACK, the standard `i2cdetect` operation. Used diff --git a/test/unit/core/unit_VideoService.cpp b/test/unit/core/unit_VideoService.cpp index ddda72a1..71e7c9b2 100644 --- a/test/unit/core/unit_VideoService.cpp +++ b/test/unit/core/unit_VideoService.cpp @@ -7,7 +7,7 @@ #include // Pins the PPM header grammar VideoService's file source accepts. The parser is the part with real -// edge cases — comments, whitespace runs, a 16-bit maxval, a truncated header — and it decides +// edge cases: comments, whitespace runs, a 16-bit maxval, a truncated header, and it decides // where pixel data starts, so getting the offset wrong shows as a picture shifted by a few bytes // rather than as a clean failure. Driven directly (it is a pure static) so these run without a // filesystem, and so a malformed file is testable without writing one. @@ -30,7 +30,7 @@ TEST_CASE("VideoService PPM: a canonical P6 header yields the dimensions and the CHECK(h == 36); } -// Netpbm allows any run of whitespace between tokens and `#` comments to end of line — both appear +// Netpbm allows any run of whitespace between tokens and `#` comments to end of line: both appear // in real files (GIMP writes a comment), so both must be skipped without shifting the offset. TEST_CASE("VideoService PPM: comments and whitespace runs are skipped, not counted as pixels") { uint16_t w = 0, h = 0; @@ -48,7 +48,7 @@ TEST_CASE("VideoService PPM: only one separator byte is consumed before the pixe // A leading pixel byte that happens to be whitespace-valued (0x20) must survive as data. const char hdr[] = {'P', '6', '\n', '2', ' ', '2', '\n', '2', '5', '5', '\n', ' ', 'X'}; const int off = VideoService::parsePpmHeader(hdr, static_cast(sizeof(hdr)), w, h); - CHECK(off == 11); // after the newline — NOT after the following 0x20 + CHECK(off == 11); // after the newline: NOT after the following 0x20 CHECK(w == 2); CHECK(h == 2); } @@ -60,14 +60,14 @@ TEST_CASE("VideoService PPM: the ASCII variant P3 is rejected, not read as binar CHECK(parse("P3\n8 8\n255\n", w, h) == -1); } -// A 16-bit maxval means two big-endian bytes per sample — a different pixel format. Reading it as +// A 16-bit maxval means two big-endian bytes per sample: a different pixel format. Reading it as // 8-bit would show the high bytes as a dim, doubled image, so it is refused rather than guessed at. TEST_CASE("VideoService PPM: a 16-bit maxval is rejected rather than misread as 8-bit") { uint16_t w = 0, h = 0; CHECK(parse("P6\n8 8\n65535\n", w, h) == -1); } -// Garbage, an empty buffer, and a header cut off mid-token must all fail cleanly — the file source +// Garbage, an empty buffer, and a header cut off mid-token must all fail cleanly: the file source // is fed by whatever the user uploads, so this is the ordinary case, not the exceptional one. TEST_CASE("VideoService PPM: malformed and truncated headers fail without reading past the buffer") { uint16_t w = 0, h = 0; @@ -88,7 +88,7 @@ TEST_CASE("VideoService PPM: zero and out-of-range dimensions are refused at the CHECK(parse("P6\n99999 36\n255\n", w, h) == -1); // past kMaxDim } -// With no service instantiated, latestFrame() still returns a readable struct — an effect must +// With no service instantiated, latestFrame() still returns a readable struct: an effect must // never have to null-check the POINTER, only the frame's contents. This is the no-source state // every device is in before a capture source is added, so it has to be the safe one. TEST_CASE("VideoService: latestFrame is readable with no service present and reports no frame") { @@ -102,11 +102,11 @@ TEST_CASE("VideoService: latestFrame is readable with no service present and rep // Deleting the elected source while a second one is still running must hand the seat over, not go // permanently dark. The seat is vacated by the destructor, and a running module re-claims an empty -// one on its next tick — so effects keep seeing a live frame for any add/remove order. Same +// one on its next tick, so effects keep seeing a live frame for any add/remove order. Same // robustness AudioService's mic seat has; without the tick() re-claim only a reboot recovers. TEST_CASE("VideoService: a survivor takes over the seat when the elected source is destroyed") { auto* elected = new VideoService(); // constructed first, so it claims the seat - elected->source = 0; // test pattern — needs no file + elected->source = 0; // test pattern: needs no file elected->applyState(); REQUIRE(VideoService::latestFrame()->rgb != nullptr); @@ -137,7 +137,7 @@ TEST_CASE("VideoService: a platform that cannot capture does not offer the usb s } // The format dropdown is populated from whatever the device advertises, so a platform with no -// capture at all must report an EMPTY list rather than a placeholder — VideoService only offers the +// capture at all must report an EMPTY list rather than a placeholder: VideoService only offers the // control when the count is non-zero, and a phantom entry would let the user pick a dead format. TEST_CASE("VideoService: a platform with no capture advertises no formats") { mm::platform::VideoCaptureFormat formats[4]; diff --git a/test/unit/light/unit_AmbilightEffect.cpp b/test/unit/light/unit_AmbilightEffect.cpp index 31835f36..0c11d10b 100644 --- a/test/unit/light/unit_AmbilightEffect.cpp +++ b/test/unit/light/unit_AmbilightEffect.cpp @@ -13,8 +13,8 @@ // Pins the frame → light mapping end to end, through the real static seam: a live VideoService // publishes a frame, the effect renders it, the buffer is read back. The checks are about -// orientation and coverage, because a picture averaged over the wrong rectangle — or flipped -// top-for-bottom — still looks like *a* picture. +// orientation and coverage, because a picture averaged over the wrong rectangle, or flipped +// top-for-bottom: still looks like *a* picture. using mm::AmbilightEffect; using mm::VideoService; @@ -54,7 +54,7 @@ struct Rig { // applyState() re-runs prepare(), which un-primes the smoother and makes every frame jump. // Anything testing the SMOOTHING has to tick without it. void tickOnly() { layer.tick(); } - /// A tick with a NEW frame behind it — the effect skips a repeated one, so anything measuring + /// A tick with a NEW frame behind it: the effect skips a repeated one, so anything measuring /// per-frame behaviour has to advance the source too, as the scheduler does. void tickOnly(VideoService& source) { source.tick(); @@ -68,7 +68,7 @@ struct Rig { } // namespace // Orientation must survive to the buffer: red top band → red first row. Swapped, the whole picture -// is upside down — on a TV border, the difference between matching the screen and mirroring it. +// is upside down: on a TV border, the difference between matching the screen and mirroring it. TEST_CASE("AmbilightEffect: the frame's orientation reaches the buffer, top band to top row") { PatternSource src; Rig rig(8, 8); @@ -109,7 +109,7 @@ TEST_CASE("AmbilightEffect: every light is written, none left dark by an empty z const uint8_t* p = rig.px(x, y); if (p[0] || p[1] || p[2]) lit++; } - // The pattern's centre is deliberately black, so not every light is lit — but the four bands + // The pattern's centre is deliberately black, so not every light is lit, but the four bands // are, and they are the majority of a 16x9 border-shaped frame. CHECK(lit > 0); // The corners sit inside the coloured bands and must never be dark. @@ -128,7 +128,7 @@ TEST_CASE("AmbilightEffect: a layer finer than the frame still writes every ligh rig.render(); // Top row of the pattern is the red band; at 4 rows tall every row samples some band, so the - // whole first row must be lit across its full width — no gaps from zero-width zones. + // whole first row must be lit across its full width: no gaps from zero-width zones. for (int x = 0; x < 128; x++) { const uint8_t* p = rig.px(x, 0); CHECK((p[0] || p[1] || p[2])); @@ -156,7 +156,7 @@ TEST_CASE("AmbilightEffect: brightness scales the sampled colour down") { CHECK(dimRed == (fullRed * 64) / 255); } -// Saturation stretches each channel away from the zone's luma — above 100 a coloured zone gets +// Saturation stretches each channel away from the zone's luma: above 100 a coloured zone gets // more saturated, which is what pulls averaged means back off grey. TEST_CASE("AmbilightEffect: saturation above 100 pushes a coloured zone further from grey") { PatternSource src; @@ -215,7 +215,7 @@ TEST_CASE("AmbilightEffect: smoothing off follows the frame exactly") { CHECK(std::memcmp(plain.px(4, 0), off.px(4, 0), 3) == 0); } -// The first frame after a gap must land immediately — creeping up from black would show as a fade-in +// The first frame after a gap must land immediately: creeping up from black would show as a fade-in // every time the source reconnects. TEST_CASE("AmbilightEffect: the first frame lands whole, not smoothed up out of black") { PatternSource src; @@ -268,7 +268,7 @@ TEST_CASE("AmbilightEffect: fadeInMs off means the first picture lands at full l CHECK(std::memcmp(instant.px(4, 0), faded.px(4, 0), 3) == 0); } -// With a ramp set, the first frame must be dark and later frames brighter — the whole point being +// With a ramp set, the first frame must be dark and later frames brighter: the whole point being // that a room does not jump to full brightness the instant a console wakes up. TEST_CASE("AmbilightEffect: fadeInMs ramps the first frames up from black") { PatternSource src; @@ -290,7 +290,7 @@ TEST_CASE("AmbilightEffect: fadeInMs ramps the first frames up from black") { } // --- edgeDepth --------------------------------------------------------------------------------- -// A border light's own share is 1/height of the frame — a sliver at the very edge. edgeDepth lets +// A border light's own share is 1/height of the frame: a sliver at the very edge. edgeDepth lets // the outermost positions reach further in without changing how many of them there are. // Off is the default, so it must be the plain division exactly. @@ -360,7 +360,7 @@ struct Letterbox { char path[64] = {}; Letterbox(int w, int h, int bar) { // The desktop filesystem is rooted at fsRoot_ ("build"), so the service resolves a bare - // name under there — write it to the same place rather than to the real /tmp. + // name under there: write it to the same place rather than to the real /tmp. std::snprintf(path, sizeof(path), "mm_letterbox_%dx%d_%d.ppm", w, h, bar); char real[128]; std::snprintf(real, sizeof(real), "build/%s", path); @@ -412,7 +412,7 @@ TEST_CASE("AmbilightEffect: the top light escapes the letterbox once bars are de CHECK(rig.px(4, 0)[1] > 100); // now reading the green picture } -// The pattern's centre is black and its edges are coloured — the OPPOSITE of a letterbox. Nothing +// The pattern's centre is black and its edges are coloured: the OPPOSITE of a letterbox. Nothing // must be detected in it, or a picture that fills the frame would get cropped. TEST_CASE("AmbilightEffect: a frame that fills the picture reports no bars") { PatternSource src; @@ -428,7 +428,7 @@ TEST_CASE("AmbilightEffect: a frame that fills the picture reports no bars") { // --- Skipping positions that reach no LED ------------------------------------------------------- // On a RectangleLayout the interior of the box maps to nothing, so averaging it is work whose -// result the mapping discards — most of the box, on any real border strip. The effect asks the LUT +// result the mapping discards: most of the box, on any real border strip. The effect asks the LUT // and skips those positions. GridLayout is identity, so nothing is skipped there and the video-wall // case is unaffected. @@ -470,7 +470,7 @@ TEST_CASE("AmbilightEffect: a border layout paints its perimeter and skips the i const uint8_t* top = rig.px(4, 0); CHECK((top[0] | top[1] | top[2]) != 0); - // The interior reaches none. Never averaged, never written — it holds the black that + // The interior reaches none. Never averaged, never written. it holds the black that // Layer::prepare() left in the buffer on the rebuild the effect's own prepare() rode in on. for (int y = 1; y < 7; y++) for (int x = 1; x < 7; x++) { @@ -489,7 +489,7 @@ TEST_CASE("AmbilightEffect: a border layout paints its perimeter and skips the i // --- Skipping a repeated frame ----------------------------------------------------------------- -// The render loop outruns the source — 60 Hz against 30 fps video, or a still picture — and +// The render loop outruns the source (60 Hz against 30 fps video, or a still picture) and // re-averaging a frame already on the strip buys nothing. What the effect advances then runs at the // source's rate, which is the rate it should run at. diff --git a/test/unit/light/unit_Correction.cpp b/test/unit/light/unit_Correction.cpp index cccae247..4ed072f1 100644 --- a/test/unit/light/unit_Correction.cpp +++ b/test/unit/light/unit_Correction.cpp @@ -341,7 +341,7 @@ TEST_CASE("Correction gamma: 2.2 pulls midtones down and pins both endpoints") { CHECK(c.briLut[0][0] == 0); // black stays black CHECK(c.briLut[0][255] == 255); // full stays full CHECK(c.briLut[0][64] == 12); // (64/255)^2.2 * 255 - CHECK(c.briLut[0][128] == 56); // (128/255)^2.2 * 255 — well under the linear 128 + CHECK(c.briLut[0][128] == 56); // (128/255)^2.2 * 255: well under the linear 128 CHECK(c.briLut[0][192] == 137); // The curve is a shape, not a dim: it must be monotonic, or a fade would visibly step back. for (int v = 1; v < 256; v++) CHECK(c.briLut[0][v] >= c.briLut[0][v - 1]); @@ -377,7 +377,7 @@ TEST_CASE("Correction white balance: trimming one channel leaves the others unto } // On an RGBW fixture the white channel is derived as min(R,G,B) from the CORRECTED values, so a -// balance trim reaches it too — otherwise the synthesized white would carry the very cast the trim +// balance trim reaches it too: otherwise the synthesized white would carry the very cast the trim // exists to remove. This is the case that matters on an SK6812 RGBW strip, where the separate white // phosphor sits right beside the RGB dies and makes any mismatch obvious. TEST_CASE("Correction white balance: RGBW white is derived from the balanced channels") { @@ -400,8 +400,8 @@ TEST_CASE("Correction: gamma and white balance compose into the one table") { c.gamma10 = 22; c.balBlue = 128; mm::test::rebuildFromPreset(c, 255, mm::test::PresetOrder::RGB); - CHECK(c.briLut[0][200] == 149); // red: curve only — (200/255)^2.2 * 255 - CHECK(c.briLut[2][200] == 74); // blue: the same curve, then the half trim — (149 * 128) / 255 + CHECK(c.briLut[0][200] == 149); // red: curve only, (200/255)^2.2 * 255 + CHECK(c.briLut[2][200] == 74); // blue: the same curve, then the half trim, (149 * 128) / 255 } // --- Current limiting ------------------------------------------------------------------------ @@ -447,7 +447,7 @@ TEST_CASE("Correction: an over-budget frame is scaled to fit") { } // Why a per-LIGHT figure cannot describe RGBW: Accurate moves the draw off R/G/B and onto W, -// which is cheaper for the same colour — 16 mA a light against 40 — so one budget halves a Min +// which is cheaper for the same colour (16 mA a light against 40) so one budget halves a Min // frame and leaves an Accurate one alone. TEST_CASE("Correction: the estimate follows whiteMode, not a per-light constant") { uint8_t frame[100 * 3]; @@ -632,3 +632,23 @@ TEST_CASE("Each moving-head formation aims the rig differently") { mm::platform::setTestNowMs(0); // back to the real clock for every later test } + +// A master dimmer is written at 255 every frame, and on an addressable strip every byte is a +// die: the IRGB preset puts a Dimmer on one of them. Uncounted, 300 lights of that is amps the budget +// never saw, and the limiter would call an over-budget frame safe. +TEST_CASE("Correction: the current estimate counts a master dimmer") { + const uint8_t frame[3] = {0, 0, 0}; // black, so only the dimmer draws anything + + Correction plain; + plain.budgetMa = 1; // any draw at all trips it, so limit reports the demand + mm::test::rebuildFromPreset(plain, 255, mm::test::PresetOrder::RGB); + plain.measure(frame, 3, 1); + CHECK(plain.limit == 256); // nothing lit, nothing drawn + + Correction dimmed; + dimmed.budgetMa = 1; + mm::test::rebuildFromPreset(dimmed, 255, mm::test::PresetOrder::RGB); + dimmed.offDimmer = 3; // the fixture carries one + dimmed.measure(frame, 3, 1); + CHECK(dimmed.limit < 256); // held at 255, so it draws even on a black frame +} diff --git a/test/unit/light/unit_MultiPinLedDriver.cpp b/test/unit/light/unit_MultiPinLedDriver.cpp index 373dd6f3..61047fdc 100644 --- a/test/unit/light/unit_MultiPinLedDriver.cpp +++ b/test/unit/light/unit_MultiPinLedDriver.cpp @@ -450,7 +450,7 @@ TEST_CASE("MultiPinLedDriver gives the host bus two distinct buffers when asked" // --- Current limiting --------------------------------------------------------------------------- // measureFrame() has to walk exactly the lights the encode will touch. laneStart_ is a running sum -// of laneCounts_, so the lanes tile the window and one flat pass covers them — but only if the +// of laneCounts_, so the lanes tile the window and one flat pass covers them, but only if the // total is the SUM of the lanes rather than the buffer size or the longest lane. Under-counting is // the dangerous direction: the limiter would report a frame safe while the supply sagged. TEST_CASE("MultiPinLedDriver prices every lane, not just the longest") { @@ -467,11 +467,11 @@ TEST_CASE("MultiPinLedDriver prices every lane, not just the longest") { d.tick(); // Halved. Sizing the pass by the longest lane (50) would price it at 1200 mA and set limit to - // 230 — the under-counting direction, which reports a frame safe while the supply sags. + // 230: the under-counting direction, which reports a frame safe while the supply sags. CHECK(d.correctionForTest().limit == 128); } -// A driver that never measures must not offer the controls — see DriverBase::limitsCurrent. +// A driver that never measures must not offer the controls: see DriverBase::limitsCurrent. TEST_CASE("MultiPinLedDriver offers the current controls") { mm::ParallelLedDriver d; CHECK(d.limitsCurrent()); diff --git a/test/unit/light/unit_RectangleLayout.cpp b/test/unit/light/unit_RectangleLayout.cpp index 0cd5aea4..39fb9209 100644 --- a/test/unit/light/unit_RectangleLayout.cpp +++ b/test/unit/light/unit_RectangleLayout.cpp @@ -10,7 +10,7 @@ // Pins the hollow-rectangle perimeter walk: the corner-counted-once light count, the reference // clockwise-from-top-left order, the degenerate line cases, and the eight wiring permutations -// (4 start corners × 2 directions). The wiring controls must reorder INDICES only — the set of +// (4 start corners × 2 directions). The wiring controls must reorder INDICES only: the set of // emitted coordinates is a property of the box and must be byte-identical however the strip is // wired, which is the invariant these tests exist to hold. @@ -34,7 +34,7 @@ std::vector> walk(const RectangleLayout& r) { // A rectangle is FLAT: every light sits at z = 0. Nothing in the x/y checks below would notice a // stray depth, but a non-zero z inflates the layout's bounding box, so the Layer allocates a buffer -// `depth` times larger for one plane of lights — a silent 10x memory cost, not a visible fault. +// `depth` times larger for one plane of lights: a silent 10x memory cost, not a visible fault. TEST_CASE("RectangleLayout: every light is emitted flat at z = 0") { RectangleLayout r; r.width = 7; r.height = 5; @@ -87,7 +87,7 @@ TEST_CASE("RectangleLayout: default walk runs clockwise from the top-left corner CHECK(p[6] == std::pair{2, 2}); CHECK(p[7] == std::pair{1, 2}); CHECK(p[8] == std::pair{0, 2}); - // left edge, bottom to top — one cell, both its corners already placed + // left edge, bottom to top: one cell, both its corners already placed CHECK(p[9] == std::pair{0, 1}); } @@ -99,13 +99,13 @@ TEST_CASE("RectangleLayout: every light occupies a distinct perimeter cell") { const auto p = walk(r); const std::set> unique(p.begin(), p.end()); CHECK(unique.size() == p.size()); - // and none of them is an interior cell — this is a HOLLOW rectangle + // and none of them is an interior cell: this is a HOLLOW rectangle for (const auto& [x, y] : p) CHECK((x == 0 || x == r.width - 1 || y == 0 || y == r.height - 1)); } // startCorner and clockwise change the WIRING, not the shape. Whatever corner the strip enters at -// and whichever way it runs, the same set of cells lights up — only the index order differs. This +// and whichever way it runs, the same set of cells lights up: only the index order differs. This // is what lets an effect's "top edge" be the physical top edge on any build. TEST_CASE("RectangleLayout: all eight wirings emit the same cells, in different order") { RectangleLayout ref; @@ -128,12 +128,12 @@ TEST_CASE("RectangleLayout: all eight wirings emit the same cells, in different } } -// Light 0 lands on the corner the user named — the control's whole purpose. (x, y) origin is +// Light 0 lands on the corner the user named: the control's whole purpose. (x, y) origin is // top-left, so "bottom" is y = height − 1. TEST_CASE("RectangleLayout: light 0 sits on the chosen start corner") { const int w = 6, h = 4; const std::pair corners[4] = { - {0, 0}, {w - 1, 0}, {w - 1, h - 1}, {0, h - 1}}; // TL, TR, BR, BL — kStartCornerOptions order + {0, 0}, {w - 1, 0}, {w - 1, h - 1}, {0, h - 1}}; // TL, TR, BR, BL: kStartCornerOptions order for (uint8_t c = 0; c < 4; c++) { RectangleLayout r; r.width = w; r.height = h; @@ -239,7 +239,7 @@ TEST_CASE("RectangleLayout: offset rotates the wiring and emits the same coordin std::set>(b.begin(), b.end())); // the shape did not } -// A full lap is a no-op, and anything beyond it wraps — the walk is modular, so an offset larger +// A full lap is a no-op, and anything beyond it wraps: the walk is modular, so an offset larger // than the perimeter must not run off the end of it. TEST_CASE("RectangleLayout: an offset of a full lap or more wraps") { RectangleLayout plain, lap; From b3874339bb2700a023049ef572f898f32a023eb1 Mon Sep 17 00:00:00 2001 From: "copilot-swe-agent[bot]" <198982749+Copilot@users.noreply.github.com> Date: Wed, 2 Sep 2026 19:51:42 +0000 Subject: [PATCH 15/25] Fix review regressions in current limiting Co-authored-by: Gohnnyman <57104366+Gohnnyman@users.noreply.github.com> --- src/light/drivers/Correction.h | 8 ++++++- src/light/drivers/ParallelLedDriver.h | 1 + src/light/layouts/RectangleLayout.h | 9 +++++-- test/unit/light/unit_Correction.cpp | 14 +++++++++++ .../light/unit_ParallelLedDriver_ring.cpp | 24 ++++++++++++++++++- test/unit/light/unit_RectangleLayout.cpp | 14 +++++++++++ 6 files changed, 66 insertions(+), 4 deletions(-) diff --git a/src/light/drivers/Correction.h b/src/light/drivers/Correction.h index dedd15d9..944360b0 100644 --- a/src/light/drivers/Correction.h +++ b/src/light/drivers/Correction.h @@ -216,8 +216,14 @@ struct Correction { for (uint32_t i = 0; i < n; i++, src += srcCh) { uint8_t r = briLut[0][src[0]], g = briLut[1][src[1]], b = briLut[2][src[2]]; const uint8_t w = whiteOf(r, g, b); + const uint8_t y = r < g ? r : g; + const uint8_t rg = r > g ? r : g; + const uint8_t uv = b > rg ? static_cast(b - rg) : 0; if (subtractWhite) { r -= w; g -= w; b -= w; } - sum += (static_cast(r) + g + b) * mAColor + static_cast(w) * whiteMa; + sum += (static_cast(r) + g + b) * mAColor + + static_cast(w) * whiteMa + + (offYellow != kAbsent ? static_cast(y) * mAColor : 0) + + (offUV != kAbsent ? static_cast(uv) * mAColor : 0); } // A master dimmer is held at 255 every frame, so its draw is a constant rather than a term // in the loop. It has to be counted: on an addressable strip every byte is a die, and the diff --git a/src/light/drivers/ParallelLedDriver.h b/src/light/drivers/ParallelLedDriver.h index 40efbeb4..58d11a70 100644 --- a/src/light/drivers/ParallelLedDriver.h +++ b/src/light/drivers/ParallelLedDriver.h @@ -707,6 +707,7 @@ class ParallelLedDriver : public DriverBase { if (ringSnapshot) { if (!snapshotSourceForRing()) return; } else encodeSrc_ = nullptr; // OFF: encodeRows reads the live sourceBuffer_ const uint32_t tkW2 = platform::cycleCount(); + measureFrame(); if (peripheral_->busTransmitRing()) { inFlight_[0] = true; // kicked; DO NOT wait here — the next tick waits, freeing the core now } else if (deadFrames_ < kDeadFramesBeforeGiveUp) { diff --git a/src/light/layouts/RectangleLayout.h b/src/light/layouts/RectangleLayout.h index 9ed6103e..0b8a8fc9 100644 --- a/src/light/layouts/RectangleLayout.h +++ b/src/light/layouts/RectangleLayout.h @@ -101,10 +101,15 @@ class RectangleLayout : public LayoutBase { /// corner resolves to an exact index rather than a search. nrOfLightsType startIndex() const { const int w = width, h = height; + if (h == 1) return static_cast((startCorner == 1 || startCorner == 2) ? w - 1 : 0); + if (w == 1) return static_cast(startCorner >= 2 ? h - 1 : 0); + const int drop = sharedCorners ? 1 : 0; + const int rightEnd = w + h - drop; + const int bottomEnd = rightEnd + w - drop; switch (startCorner) { case 1: return static_cast(w - 1); // top-right - case 2: return static_cast(w + h - 2); // bottom-right - case 3: return static_cast(2 * w + h - 3); // bottom-left + case 2: return static_cast(rightEnd - 1); // bottom-right + case 3: return static_cast(bottomEnd - 1); // bottom-left default: return 0; // top-left } } diff --git a/test/unit/light/unit_Correction.cpp b/test/unit/light/unit_Correction.cpp index 4ed072f1..89ee9c3e 100644 --- a/test/unit/light/unit_Correction.cpp +++ b/test/unit/light/unit_Correction.cpp @@ -652,3 +652,17 @@ TEST_CASE("Correction: the current estimate counts a master dimmer") { dimmed.measure(frame, 3, 1); CHECK(dimmed.limit < 256); // held at 255, so it draws even on a black frame } + +// Yellow and UV are real emitted channels on some fixtures, so the limiter has to price them too. +TEST_CASE("Correction: the current estimate counts Yellow and UV channels") { + using R = mm::ChannelRole; + const R roles[] = {R::Red, R::Green, R::Blue, R::Yellow, R::UV}; + const uint8_t frame[3] = {255, 255, 255}; // Y = 255, UV = 0, so the extra channel adds 8 mA + + Correction c; + c.budgetMa = 24; // plain RGB fits exactly; the extra Yellow channel must trip the limiter + c.rebuild(255, roles, 5); + c.measure(frame, 3, 1); + + CHECK(c.limit < 256); +} diff --git a/test/unit/light/unit_ParallelLedDriver_ring.cpp b/test/unit/light/unit_ParallelLedDriver_ring.cpp index ef0d73bb..6d636af9 100644 --- a/test/unit/light/unit_ParallelLedDriver_ring.cpp +++ b/test/unit/light/unit_ParallelLedDriver_ring.cpp @@ -77,7 +77,10 @@ class MockRingPeripheral : public mm::LedPeripheral { // --- whole-frame bus (used to produce the reference frame the ring output is compared against) --- bool busInit(size_t frameBytes, bool) override { cap_ = frameBytes; buf_.assign(frameBytes, 0); return true; } - uint8_t* busBuffer(uint8_t i) override { return (i == 0 && !buf_.empty()) ? buf_.data() : nullptr; } + uint8_t* busBuffer(uint8_t i) override { + if (ringActive_) return i < kMockRingBufs && !ring_[i].empty() ? ring_[i].data() : nullptr; + return (i == 0 && !buf_.empty()) ? buf_.data() : nullptr; + } size_t busCapacity() const override { return cap_; } bool busTransmit(uint8_t, size_t) override { return true; } bool busWait(uint8_t, uint32_t) override { return true; } @@ -624,6 +627,25 @@ TEST_CASE("MoonI80 ring: the windowed snapshot bias reads this driver's slice, n CHECK(std::memcmp(refFrame.data(), winFrame.data(), refFrame.size()) == 0); } +// The ring path chooses the source copy first, then prices that same frame before arming the transfer. +TEST_CASE("MoonI80 ring: current limiting prices the frame before the transfer starts") { + MockRingDriver d; + MockRingPeripheral peripheral; + mm::Buffer src; + mm::Correction corr; + wireShift(d, peripheral, src, corr, 90, "1,2"); + + peripheral.setWantRing(true); + d.applyState(); + REQUIRE(peripheral.busIsRing()); + + std::memset(src.data(), 255, static_cast(src.count()) * src.channelsPerLight()); + d.correctionForTest().budgetMa = 17280; // half of 90 lights × 2 pins × 8 strands × 24 mA + d.tick(); + + CHECK(d.correctionForTest().limit == 128); +} + // 7. TERMINATION — the DMA-chain contract the byte-tiling tests (1–6) never touch, and the exact site of // the 2026-07-16 "green dot per panel" bug: the looping chain must clock past the last real slice into // a clean LOW tail and stop deterministically, WITHOUT re-clocking a buffer that still holds a real diff --git a/test/unit/light/unit_RectangleLayout.cpp b/test/unit/light/unit_RectangleLayout.cpp index 39fb9209..4a383ef5 100644 --- a/test/unit/light/unit_RectangleLayout.cpp +++ b/test/unit/light/unit_RectangleLayout.cpp @@ -220,6 +220,20 @@ TEST_CASE("RectangleLayout: unshared corners double the corner cells and stay in CHECK(corners == 8); // four corners, two lights each } +// With four separate strips, light 0 still has to land on the named corner rather than one cell past it. +TEST_CASE("RectangleLayout: unshared corners still honor the chosen start corner") { + const int w = 4, h = 3; + const std::pair corners[4] = { + {0, 0}, {w - 1, 0}, {w - 1, h - 1}, {0, h - 1}}; + for (uint8_t c = 0; c < 4; c++) { + RectangleLayout r; + r.width = w; r.height = h; + r.sharedCorners = false; + r.startCorner = c; + CHECK(walk(r)[0] == corners[c]); + } +} + // --- offset -------------------------------------------------------------------------------------- // A strip rarely starts exactly at a corner. offset slides where index 0 sits WITHOUT moving any // light: the same coordinates come out, rotated in the wiring order. From 753e3a7f7fa9e781730f06adbcfa0f602089fb78 Mon Sep 17 00:00:00 2001 From: Shura Fedorovskyi Date: Thu, 3 Sep 2026 15:48:37 +0400 Subject: [PATCH 16/25] Process the review findings on current limiting and capture Fourteen findings from the PR review. Twelve fixed, one resolved by removing the feature it was about, one accepted with a reason. Performance: not collected (no board attached this cycle). **Light domain** - The current estimate summed into a `uint32_t`, which a 500x500 grid at the top of the milliamp range overflows three times over. A wrapped total reads as a small demand, so the limiter switched itself off exactly where it was needed. 64-bit throughout. - A master dimmer was priced as though the scale would shrink it, but apply() holds it at 255 whatever the limit says. It now comes off the budget first and the colours scale into what is left, with limit 0 when the fixed draw alone is over. - Yellow and UV are emitted from the same corrected RGB and were unpriced, so an RGBWYP fixture could exceed its cap. Each has its own milliamp figure, since amber sits near red while a UV die usually draws more, and both are shown only where the fixture carries them. - PanelCardDriver no longer claims to limit current. It streams over raw Ethernet to receiver cards with their own power, so there was nothing on this board's rail to cap. That also removes the reported hole in its raw fallback: the fix was to delete the feature rather than patch it, and it now matches NetworkSendDriver and Hue. - Turning black-bar detection off cleared the adopted bars but left `candidate_` and a saturated `stable_`, so re-enabling agreed with itself and never adopted again. All three are cleared. **Core** - The PPM parser checked that a byte followed maxval but not that it was whitespace, so "P6\n2 2\n255X" was accepted with the X eaten, shifting every channel one place. **Platform** - The advertised-format list used its count as a lock, which it is not: a reader can load a nonzero count in the instant before the writer clears it. Double buffered, so a rewrite cannot touch what a reader is copying. - Teardown waited 500 ms for the decode task, which may be inside uvc_host_stream_open's own 3 s. It then freed the semaphores and the JPEG engine underneath it. It now clears `lost` so no new reopen starts, wakes the task, and waits without a deadline. - A first open that found no device tore everything down, so plugging a grabber in after boot did nothing until the source was re-selected. It now keeps the decode task alive with `lost` set, which is the same retry a replug uses; reopen() sizes the buffers if the first open never got that far. - reopen() ignored a failed uvc_host_stream_start and cleared `lost` anyway, so retries stopped permanently while no frames could arrive. **Tests** - The letterbox fixture wrote to a hard-coded `build/` path while ctest roots the filesystem in the build tree, so the file landed where the service never looked. The test passed only when the binary ran from a checkout, and failed under ctest. It now asks for the resolved root. - Cases for the dimmer's fixed cost, the per-emitter figures, the whitespace separator, and detection turned off and on again. **Docs** - The two new milliamp controls, which drivers offer them and why the others do not, and how a dimmer is counted without being scaled. Not changed: the file source bumping `seq` per tick. The alternative asks the consumer to carry a forced-render flag and a hysteresis guard to accommodate one source that behaves unlike the others; re-presenting a still picture the way a camera aimed at a still object does removes both. VideoFrame's comment now states that contract rather than leaving it to be inferred. --- docs/moonmodules/light/drivers.md | 5 +- src/core/VideoFrame.h | 4 +- src/core/VideoService.h | 12 +- src/light/drivers/Correction.h | 119 ++++++++++-------- src/light/drivers/DriverBase.h | 14 ++- src/light/drivers/PanelCardDriver.h | 2 - src/light/effects/AmbilightEffect.h | 6 +- .../esp32/platform_esp32_usbvideo.cpp | 79 +++++++++--- test/unit/core/unit_VideoService.cpp | 8 ++ test/unit/light/unit_AmbilightEffect.cpp | 37 +++++- test/unit/light/unit_Correction.cpp | 50 ++++++++ 11 files changed, 250 insertions(+), 86 deletions(-) diff --git a/docs/moonmodules/light/drivers.md b/docs/moonmodules/light/drivers.md index cc7484c8..57955ae1 100644 --- a/docs/moonmodules/light/drivers.md +++ b/docs/moonmodules/light/drivers.md @@ -20,7 +20,10 @@ Added once by [`DriverBase`](moxygen/DriverBase.md) so no driver re-implements i - `gamma x10`: gamma in tenths (`10` = 1.0 = off, the default; `22` = 2.2). An LED's output is near-linear in PWM duty while perception is a power law, so an uncorrected ramp reads as "bright fast, then flat"; the curve restores an even fade. Applied *before* brightness, so dimming never reshapes it. - `balanceRed` / `balanceGreen` / `balanceBlue`: per-channel white balance (0 to 255, `255` = untouched). Trim **down** to pull a white point neutral: leave the weakest channel at 255 and lower the other two to match. There is no headroom above 255, so raising clips rather than balances. On an RGBW fixture the trims also feed the synthesized W, so the white channel cannot carry a cast the trim just removed. - `maxCurrentMa`: cap the current a frame may draw, in milliamps. 0 (default) is off. The driver prices each frame before emitting it and scales the whole frame down if it is over budget, so a white screen cannot brown out the supply whatever the brightness. Set it to the supply's rating less what the board itself uses. -- `mAPerColorChannel` / `mAPerWhiteChannel`: what one channel draws at full, for that estimate. Per **channel**, not per light: a white die draws about twice a colour one, so a single per-light figure under-reports white-heavy frames, which is the direction that browns out a supply. Defaults (8 and 16) are measured on a 5 m SK6812 RGBW strip. Shown only on drivers that price their frames. +- `mAPerColorChannel` / `mAPerWhiteChannel`: what one channel draws at full, for that estimate. Per **channel**, not per light: a white die draws about twice a colour one, so a single per-light figure under-reports white-heavy frames, which is the direction that browns out a supply. Defaults (8 and 16) are measured on a 5 m SK6812 RGBW strip. WLED carries the per-light version of this as an open issue, [#3707](https://github.com/wled/WLED/issues/3707). +- `mAPerYellowChannel` / `mAPerUvChannel`: the same for the two emitters a 6-channel lightbar adds, shown only on a fixture that carries them. Both default to 8 by assumption rather than measurement: amber sits near red, while a UV die usually draws more. + +Only drivers whose lights run off **this board's supply** offer these at all: the LED drivers do, while [Network Send](#networksend), [Panel Card](#panelcard) and [Hue](#hue) feed fixtures with their own power and so have nothing to cap. A master dimmer is counted but never scaled: it is held at full whatever the limit says, so its draw comes off the budget before the colours are scaled into what is left. - `start` — first light of the shared buffer this driver reads (default `0`). - `count` — how many lights from `start` this driver drives. **Blank / default drives all lights**; set a number to output only that slice — the way multiple drivers each own a section of one buffer (an onboard status LED at `0`, the main strip from `1`). diff --git a/src/core/VideoFrame.h b/src/core/VideoFrame.h index 9d896df9..941e2419 100644 --- a/src/core/VideoFrame.h +++ b/src/core/VideoFrame.h @@ -14,7 +14,9 @@ struct VideoFrame { const uint8_t* rgb = nullptr; // width*height*3, row-major, top-left origin, no padding uint16_t width = 0; uint16_t height = 0; - uint32_t seq = 0; // bumped per new frame; compare for INEQUALITY, never ordering. + // Bumped per PUBLISHED frame; compare for INEQUALITY, never ordering. A still PPM bumps it + // every tick, the way a camera aimed at a still object sends one every period. + uint32_t seq = 0; }; // The "no source" frame consumers fall back to. diff --git a/src/core/VideoService.h b/src/core/VideoService.h index 84519c4d..deea3319 100644 --- a/src/core/VideoService.h +++ b/src/core/VideoService.h @@ -322,11 +322,13 @@ class VideoService : public MoonModule { if (ww <= 0 || ww > static_cast(kMaxDim)) return -1; if (hh <= 0 || hh > static_cast(kMaxDim)) return -1; if (maxval != 255) return -1; // 16-bit samples are two big-endian bytes: another format - if (cur.pos >= len) return -1; // no separator byte, so no pixel data can follow + // Netpbm requires ONE whitespace byte here. Accepting whatever is present would eat a + // pixel: "P6\n2 2\n255X" would read as valid with the X swallowed. + if (cur.pos >= len || !HeaderCursor::isBlank(buf[cur.pos])) return -1; w = static_cast(ww); h = static_cast(hh); - return cur.pos + 1; // one whitespace byte separates the header from the pixels + return cur.pos + 1; // the pixels begin straight after that one byte } private: @@ -337,11 +339,15 @@ class VideoService : public MoonModule { int len; int pos = 0; + /// Spelled out rather than isspace(), which is locale-dependent and undefined for a + /// signed char above 127. + static bool isBlank(char c) { return c == ' ' || c == '\t' || c == '\n' || c == '\r'; } + void skipBlanks() { while (pos < len) { if (buf[pos] == '#') { while (pos < len && buf[pos] != '\n') pos++; - } else if (buf[pos] == ' ' || buf[pos] == '\t' || buf[pos] == '\n' || buf[pos] == '\r') { + } else if (isBlank(buf[pos])) { pos++; } else { break; diff --git a/src/light/drivers/Correction.h b/src/light/drivers/Correction.h index 944360b0..1c4f7e85 100644 --- a/src/light/drivers/Correction.h +++ b/src/light/drivers/Correction.h @@ -4,7 +4,7 @@ #include #include "light/ChannelRole.h" -#include "light/FixtureChannels.h" // kMotionBase + forEachMotionSlot: the layer-slot packing +#include "light/FixtureChannels.h" // kMotionBase + forEachMotionSlot: the layer-slot packing namespace mm { @@ -48,7 +48,7 @@ inline constexpr uint8_t kWhiteModeCount = sizeof(kWhiteModeOptions) / sizeof(kW // Brightness, gamma and white balance all bake into ONE per-channel table: `briLut[3][256]`, // one row per SOURCE channel (0=R, 1=G, 2=B), filled as `gamma(v) × brightness × balance`. struct Correction { - static constexpr uint8_t kAbsent = 255; // color role not carried by this light + static constexpr uint8_t kAbsent = 255; // color role not carried by this light static constexpr uint8_t kGammaOff = 10; // gamma 1.0: the identity curve, and the default uint8_t briLut[3][256] = {}; // briLut[ch][v] = gamma(v) * brightness * balance[ch], ch: 0=R 1=G 2=B @@ -58,7 +58,7 @@ struct Correction { uint8_t offRed = 1; uint8_t offGreen = 0; uint8_t offBlue = 2; - uint8_t offWhite = kAbsent; // derived white at this offset (kAbsent = light has no white) + uint8_t offWhite = kAbsent; // derived white at this offset (kAbsent = light has no white) // Extra emitters a fixture may carry beside cold white. The theory (why each is derived the way // it is; the honest limits) — a full fixture model with per-emitter spectral targets is the // proper home, see the light backlog: @@ -112,8 +112,8 @@ struct Correction { bool motionHeld = false; uint8_t offYellow = kAbsent; uint8_t offUV = kAbsent; - uint8_t outChannels = 3; // bytes emitted per light (= channelsPerLight of the wiring) - WhiteMode whiteMode = WhiteMode::Min; // how white is synthesized from RGB (white lights only) + uint8_t outChannels = 3; // bytes emitted per light (= channelsPerLight of the wiring) + WhiteMode whiteMode = WhiteMode::Min; // how white is synthesized from RGB (white lights only) // Gamma in TENTHS (22 = 2.2). An LED is near-linear in PWM duty while perception is a power // law, so an uncorrected ramp reads "bright fast then flat"; `(v/255)^gamma` restores an even @@ -127,10 +127,15 @@ struct Correction { // Per CHANNEL, not per light: a white die draws about twice a colour one, so one per-light // figure under-reports white-heavy frames: the direction that browns out a supply. Measured // on a 5 m SK6812 RGBW strip. - uint16_t budgetMa = 0; // 0 disables the limiter - uint8_t mAColor = 8; // one R/G/B channel at 255 - uint8_t mAWhite = 16; // one W channel at 255 - uint16_t limit = 256; // measure() sets it; 256 = unity, so an unlimited frame is bit-exact + uint16_t budgetMa = 0; // 0 disables the limiter + uint8_t mAColor = 8; // one R/G/B channel at 255 + uint8_t mAWhite = 16; // one W channel at 255 + // The two emitters a 6-channel lightbar adds. Their own figures because amber sits near red + // while a UV die usually draws more, and guessing low browns out a supply. Assumed, not + // measured, which is why they are settable. + uint8_t mAYellow = 8; + uint8_t mAUV = 8; + uint16_t limit = 256; // measure() sets it; 256 = unity, so an unlimited frame is bit-exact // Cold path: refresh the output tables and DERIVE the color-role offsets from the // light's channel-role array (`roles`, `nChannels` entries: the driver's dynamic @@ -173,24 +178,24 @@ struct Correction { hasMotion = false; for (uint8_t i = 0; i < nChannels; i++) { switch (roles[i]) { - case ChannelRole::Red: offRed = i; break; - case ChannelRole::Green: offGreen = i; break; - case ChannelRole::Blue: offBlue = i; break; - case ChannelRole::White: offWhite = i; break; - case ChannelRole::WarmWhite: offWarmWhite = i; break; - case ChannelRole::Yellow: offYellow = i; break; - case ChannelRole::UV: offUV = i; break; - case ChannelRole::Dimmer: offDimmer = i; break; - case ChannelRole::Pan: offPan = i; break; - case ChannelRole::Tilt: offTilt = i; break; - case ChannelRole::Zoom: offZoom = i; break; - case ChannelRole::Rotate: offRotate = i; break; - case ChannelRole::Gobo: offGobo = i; break; - default: break; // ChannelRole::None: a channel this fixture does not use + case ChannelRole::Red: offRed = i; break; + case ChannelRole::Green: offGreen = i; break; + case ChannelRole::Blue: offBlue = i; break; + case ChannelRole::White: offWhite = i; break; + case ChannelRole::WarmWhite: offWarmWhite = i; break; + case ChannelRole::Yellow: offYellow = i; break; + case ChannelRole::UV: offUV = i; break; + case ChannelRole::Dimmer: offDimmer = i; break; + case ChannelRole::Pan: offPan = i; break; + case ChannelRole::Tilt: offTilt = i; break; + case ChannelRole::Zoom: offZoom = i; break; + case ChannelRole::Rotate: offRotate = i; break; + case ChannelRole::Gobo: offGobo = i; break; + default: break; // ChannelRole::None: a channel this fixture does not use } } - hasMotion = offPan != kAbsent || offTilt != kAbsent || offZoom != kAbsent || - offRotate != kAbsent || offGobo != kAbsent; + hasMotion = offPan != kAbsent || offTilt != kAbsent || offZoom != kAbsent || offRotate != kAbsent || + offGobo != kAbsent; outChannels = nChannels; } @@ -206,34 +211,46 @@ struct Correction { if (budgetMa == 0) return; // Which emitters this light carries cannot change mid-frame, so decide it once rather than - // per light. Both white roles are driven from the same synthesised value, so their draw adds. + // per light. Both white roles come from the same synthesised value, so their draw adds. uint32_t whiteMa = 0; if (offWhite != kAbsent) whiteMa += mAWhite; if (offWarmWhite != kAbsent) whiteMa += mAWhite; const bool subtractWhite = offWhite != kAbsent && whiteMode == WhiteMode::Accurate; + const bool anyWhiteMode = whiteMode != WhiteMode::None; + const uint32_t yellowMa = (anyWhiteMode && offYellow != kAbsent) ? mAYellow : 0; + const uint32_t uvMa = (anyWhiteMode && offUV != kAbsent) ? mAUV : 0; - uint32_t sum = 0; // milliamps * 255; dividing per channel would round dim frames to zero + uint64_t sum = 0; // milliamps * 255; dividing per channel would round dim frames to zero for (uint32_t i = 0; i < n; i++, src += srcCh) { uint8_t r = briLut[0][src[0]], g = briLut[1][src[1]], b = briLut[2][src[2]]; const uint8_t w = whiteOf(r, g, b); - const uint8_t y = r < g ? r : g; - const uint8_t rg = r > g ? r : g; - const uint8_t uv = b > rg ? static_cast(b - rg) : 0; - if (subtractWhite) { r -= w; g -= w; b -= w; } - sum += (static_cast(r) + g + b) * mAColor - + static_cast(w) * whiteMa - + (offYellow != kAbsent ? static_cast(y) * mAColor : 0) - + (offUV != kAbsent ? static_cast(uv) * mAColor : 0); + // Read BEFORE Accurate's subtraction, as apply() does. Zero under whiteMode None, + // where apply() emits neither. + if (yellowMa) sum += static_cast(r < g ? r : g) * yellowMa; + if (uvMa) { + const uint8_t rg = r > g ? r : g; + sum += static_cast(b > rg ? b - rg : 0) * uvMa; + } + if (subtractWhite) { + r -= w; + g -= w; + b -= w; + } + sum += (static_cast(r) + g + b) * mAColor + static_cast(w) * whiteMa; + } + const uint64_t scalableMa = sum / 255; + + // A master dimmer holds 255 whatever `limit` says, so it is a FIXED cost: take it off the + // budget and scale the rest into what is left. Priced as scalable, the ratio would assume + // it shrinks too and the frame would still exceed the cap. On an addressable strip that + // byte is a die, and the IRGB preset puts a Dimmer on one. + const uint64_t fixedMa = (offDimmer != kAbsent) ? static_cast(n) * mAColor : 0; + if (fixedMa >= budgetMa) { // the fixed draw alone is over: nothing left to give the colours + limit = 0; + return; } - // A master dimmer is held at 255 every frame, so its draw is a constant rather than a term - // in the loop. It has to be counted: on an addressable strip every byte is a die, and the - // IRGB preset puts a Dimmer on one of them, and 300 lights of that is amps the budget - // never saw. - // On a fixture with its own supply this over-reports, which is the safe direction, and the - // drivers that feed one (NetworkSendDriver, Hue) do not price frames at all. - if (offDimmer != kAbsent) sum += n * 255u * mAColor; - const uint32_t demandMa = sum / 255; - if (demandMa > budgetMa) limit = static_cast((budgetMa * 256u) / demandMa); + const uint64_t headroomMa = budgetMa - fixedMa; + if (scalableMa > headroomMa) limit = static_cast((headroomMa * 256u) / scalableMa); } /// Hot path: transform one source light (`srcChannels` bytes at `src`) into `out` @@ -293,19 +310,19 @@ struct Correction { // the other emitters are additive stand-ins only (no colorimetric model yet), so they don't // subtract. See the offWarmWhite/offYellow/offUV field comment for the approximation rationale. if (whiteMode == WhiteMode::None) { - if (offWhite != kAbsent) out[offWhite] = 0; + if (offWhite != kAbsent) out[offWhite] = 0; if (offWarmWhite != kAbsent) out[offWarmWhite] = 0; - if (offYellow != kAbsent) out[offYellow] = 0; - if (offUV != kAbsent) out[offUV] = 0; + if (offYellow != kAbsent) out[offYellow] = 0; + if (offUV != kAbsent) out[offUV] = 0; } else { - const uint8_t w = whiteOf(r, g, b); // min(r,g,b): the white component + const uint8_t w = whiteOf(r, g, b); // min(r,g,b): the white component // The additive stand-ins (warm-white/yellow/UV) approximate from the CORRECTED RGB — the // values BEFORE Accurate pulls white out below. Compute them here, off the pre-subtraction // r/g/b, so Accurate's `r -= w` (which only rebalances the RGB emitters) can't corrupt them. // warm white ≈ the white component (same as cold white for a warm-white-only strip). if (offWarmWhite != kAbsent) out[offWarmWhite] = w; // yellow ≈ min(R,G) (the shared red+green component). - if (offYellow != kAbsent) out[offYellow] = r < g ? r : g; + if (offYellow != kAbsent) out[offYellow] = r < g ? r : g; // UV is out of gamut (no RGB pre-image), but it reads to the eye as deep blue/violet, so // drive it from the BLUE component that has no red/green to pair with — the violet-ish // excess `max(0, B - max(R,G))`. So UV fires on blues/purples, stays dark on warm colors. @@ -324,9 +341,9 @@ struct Correction { out[offWhite] = w; } } - if (offRed != kAbsent) out[offRed] = r; + if (offRed != kAbsent) out[offRed] = r; if (offGreen != kAbsent) out[offGreen] = g; - if (offBlue != kAbsent) out[offBlue] = b; + if (offBlue != kAbsent) out[offBlue] = b; } }; diff --git a/src/light/drivers/DriverBase.h b/src/light/drivers/DriverBase.h index 45b8a8c8..b8abebd3 100644 --- a/src/light/drivers/DriverBase.h +++ b/src/light/drivers/DriverBase.h @@ -130,6 +130,8 @@ class DriverBase : public MoonModule { correction_.budgetMa = budgetMa_; correction_.mAColor = mAColor_; correction_.mAWhite = mAWhite_; + correction_.mAYellow = mAYellow_; + correction_.mAUV = mAUV_; // Fill inputs, so they must be in place before the rebuild below. Pushed here rather than in // onControlChanged so a rebuild from ANY trigger carries the current values. correction_.gamma10 = gamma10_; @@ -281,6 +283,8 @@ class DriverBase : public MoonModule { uint16_t budgetMa_ = 0; // 0 = no current limiting uint8_t mAColor_ = 8; // measured on SK6812 RGBW: R 7.98, G 8.11, B 7.98 uint8_t mAWhite_ = 16; // measured: W 16.11 + uint8_t mAYellow_ = 8; // assumed, not measured: an amber die sits near red + uint8_t mAUV_ = 8; // assumed: a UV die usually draws more, so this may read low uint8_t localBrightness_ = 255; // per-driver dim, multiplied with the global brightness // Calibration for THIS fixture, so per-driver rather than global: two strips on one board can // need different values. Semantics in Correction.h. @@ -323,6 +327,13 @@ class DriverBase : public MoonModule { controls_.setHidden(controls_.count() - 1, !limits); controls_.addControl("mAPerWhiteChannel", mAWhite_, 1, 60); controls_.setHidden(controls_.count() - 1, !limits); + // Only where the fixture carries them: four milliamp fields on an RGB strip would be noise. + const bool wide = correction_.offYellow != Correction::kAbsent || + correction_.offUV != Correction::kAbsent; + controls_.addControl("mAPerYellowChannel", mAYellow_, 1, 60); + controls_.setHidden(controls_.count() - 1, !(limits && wide)); + controls_.addControl("mAPerUvChannel", mAUV_, 1, 60); + controls_.setHidden(controls_.count() - 1, !(limits && wide)); // The durable reference (the preset NAME) persists but isn't shown — the lightPreset Select // above is the user-facing control; presetRef_ just carries the reference across a reboot. controls_.addText("presetRef", presetRef_, sizeof(presetRef_)); @@ -341,7 +352,8 @@ class DriverBase : public MoonModule { || std::strcmp(name, "whiteMode") == 0 || std::strcmp(name, "gamma x10") == 0 || std::strcmp(name, "balanceRed") == 0 || std::strcmp(name, "balanceGreen") == 0 || std::strcmp(name, "balanceBlue") == 0 || std::strcmp(name, "maxCurrentMa") == 0 - || std::strcmp(name, "mAPerColorChannel") == 0 || std::strcmp(name, "mAPerWhiteChannel") == 0; + || std::strcmp(name, "mAPerColorChannel") == 0 || std::strcmp(name, "mAPerWhiteChannel") == 0 + || std::strcmp(name, "mAPerYellowChannel") == 0 || std::strcmp(name, "mAPerUvChannel") == 0; } private: diff --git a/src/light/drivers/PanelCardDriver.h b/src/light/drivers/PanelCardDriver.h index 6178beec..79b8b447 100644 --- a/src/light/drivers/PanelCardDriver.h +++ b/src/light/drivers/PanelCardDriver.h @@ -105,7 +105,6 @@ namespace mm { // installation. The wire format is the ColorLight 5A-75 documented byte layout, not FPP's code. class PanelCardDriver : public DriverBase { public: - bool limitsCurrent() const override { return true; } /// Panel cards are RGB, so this references the "RGB" preset rather than the strips' "GRB" — /// same per-driver default the network sinks use. The user can still pick any preset. @@ -339,7 +338,6 @@ class PanelCardDriver : public DriverBase { const uint8_t* src = sourceBuffer_->data(); const uint8_t srcCh = sourceBuffer_->channelsPerLight(); uint8_t* dst = corrected_.data(); - correction_.measure(src + static_cast(winStart) * srcCh, srcCh, nLights); for (nrOfLightsType i = 0; i < nLights; i++) { // srcCh carries a wide light's motion channels through, as NetworkSendDriver does. correction_.apply(src + (winStart + i) * srcCh, dst + i * outCh, srcCh); diff --git a/src/light/effects/AmbilightEffect.h b/src/light/effects/AmbilightEffect.h index 7faffaf0..9b6e8b9f 100644 --- a/src/light/effects/AmbilightEffect.h +++ b/src/light/effects/AmbilightEffect.h @@ -246,7 +246,11 @@ class AmbilightEffect : public EffectBase { /// them. Hence the state; the return value is what the caller should actually map across. Bars trackBars(const VideoFrame& frame) MM_NONBLOCKING { if (!detectBlackBars) { - bars_ = Bars{}; + // All of it, not just the adopted value: a surviving candidate_ with a saturated + // stable_ makes the next enable agree with itself immediately and never re-adopt, so + // the setting would look dead until the picture's geometry changed. + bars_ = candidate_ = Bars{}; + stable_ = 0; return bars_; } Bars found; diff --git a/src/platform/esp32/platform_esp32_usbvideo.cpp b/src/platform/esp32/platform_esp32_usbvideo.cpp index 18bfab99..ddcfc193 100644 --- a/src/platform/esp32/platform_esp32_usbvideo.cpp +++ b/src/platform/esp32/platform_esp32_usbvideo.cpp @@ -71,11 +71,17 @@ struct Capture { // What the attached device advertises. File scope rather than inside Capture because it is learned // from the driver event, which fires before a stream exists and outlives a failed open. constexpr size_t kMaxFormats = 24; -VideoCaptureFormat advertised[kMaxFormats]; uvc_host_frame_info_t frameList[kMaxFormats]; // file scope: too big for the driver task's stack -// Written by the UVC driver task, read by prepare(). Zeroed before the rewrite and released after, -// so a reader sees either an empty list or a complete one, never a half-written one. -std::atomic advertisedCount{0}; + +// Double-buffered: the driver task fills the bank `published` does NOT name, then publishes it, so +// a rewrite cannot touch what a reader is copying. A count zeroed and restored is not exclusion: +// a reader can load a nonzero one in the instant before the writer clears it. +struct FormatBank { + VideoCaptureFormat rows[kMaxFormats]; + size_t count = 0; +}; +FormatBank formatBank[2]; +std::atomic publishedFormats{-1}; // -1 until a device has enumerated bool hostReady = false; @@ -135,9 +141,9 @@ uint8_t fpsFrom(uint32_t interval) { // One dropdown row per (resolution, rate) pair. A device that does 320x240 at both 30 and 60 lists // the resolution ONCE with several intervals, so without this expansion only its default is // reachable from the UI. -void addAdvertised(const uvc_host_frame_info_t& info, uint32_t interval, size_t& n) { +void addAdvertised(const uvc_host_frame_info_t& info, uint32_t interval, size_t& n, int bank) { if (n >= kMaxFormats || interval == 0) return; - VideoCaptureFormat& f = advertised[n++]; + VideoCaptureFormat& f = formatBank[bank].rows[n++]; f.width = static_cast(info.h_res); f.height = static_cast(info.v_res); f.fps = fpsFrom(interval); @@ -159,22 +165,24 @@ void onDriverEvent(const uvc_host_driver_event_data_t* event, void*) { } if (count > kMaxFormats) count = kMaxFormats; // it reports what it NEEDS, not what it wrote - advertisedCount.store(0, std::memory_order_release); // hide the list while it is rewritten + // Fill the bank nobody is reading, then publish it. + const int bank = publishedFormats.load(std::memory_order_relaxed) == 0 ? 1 : 0; size_t n = 0; for (size_t i = 0; i < count; i++) { const uvc_host_frame_info_t& info = frameList[i]; if (info.format != UVC_VS_FORMAT_MJPEG) continue; // nothing else is decodable here if (info.interval_type == 0) { // a continuous range: offer both ends, fastest first - addAdvertised(info, info.interval_min, n); - if (info.interval_max != info.interval_min) addAdvertised(info, info.interval_max, n); + addAdvertised(info, info.interval_min, n, bank); + if (info.interval_max != info.interval_min) addAdvertised(info, info.interval_max, n, bank); continue; } const uint8_t rates = info.interval_type < CONFIG_UVC_INTERVAL_ARRAY_SIZE ? info.interval_type : CONFIG_UVC_INTERVAL_ARRAY_SIZE; - for (uint8_t j = 0; j < rates; j++) addAdvertised(info, info.interval[j], n); + for (uint8_t j = 0; j < rates; j++) addAdvertised(info, info.interval[j], n, bank); } - advertisedCount.store(n, std::memory_order_release); + formatBank[bank].count = n; + publishedFormats.store(bank, std::memory_order_release); } void onEvent(const uvc_host_stream_event_data_t* event, void* ctx) { @@ -238,6 +246,7 @@ void decode(Capture& cap, uvc_host_frame_t* frame) { } bool openStream(Capture& cap, uint16_t width, uint16_t height, uint8_t fps); // defined below +bool sizeBuffers(Capture& cap); // """ // Replug recovery. uvc_host_stream_open blocks for up to its timeout, so this runs on the decode // task rather than in the event callback or the render tick. A failed attempt costs that timeout, @@ -248,7 +257,13 @@ void reopen(Capture& cap) { cap.stream = nullptr; } if (!openStream(cap, cap.reqWidth, cap.reqHeight, cap.reqFps)) return; - uvc_host_stream_start(cap.stream); + // The buffers are sized from the negotiated format, so a first open that never found a device + // has none yet. Grow-only: a later reopen at the same format keeps what it has. + if (!cap.rgb[0] && !sizeBuffers(cap)) return; + if (uvc_host_stream_start(cap.stream) != ESP_OK) { + ESP_LOGW(kTag, "reopened the device but could not start the stream"); + return; // `lost` stays set, so the next timeout tries again + } cap.lost.store(false); ESP_LOGI(kTag, "capture device back"); } @@ -366,12 +381,29 @@ bool videoCaptureInit(VideoCaptureHandle& handle, uint16_t width, uint16_t heigh auto* cap = new Capture(); handle.impl = cap; // every failure below unwinds through videoCaptureDeinit - if (!installUvc(*cap) || !createJpeg(*cap) || !createSignals(*cap) || - !openStream(*cap, width, height, fps) || !sizeBuffers(*cap) || !startDecoder(*cap)) { + if (!installUvc(*cap) || !createJpeg(*cap) || !createSignals(*cap)) { + videoCaptureDeinit(handle); + return false; + } + cap->reqWidth = width; + cap->reqHeight = height; + cap->reqFps = fps; + + // No device yet is not a failure to unwind: the decode task's retry already handles a grabber + // that comes back, so starting it here makes plugging one in after boot behave like a replug. + // The caller still gets false and reports no device. + if (!startDecoder(*cap)) { videoCaptureDeinit(handle); return false; } - uvc_host_stream_start(cap->stream); + if (!openStream(*cap, width, height, fps) || !sizeBuffers(*cap)) { + cap->lost.store(true); // the decode task retries on its next timeout + return false; + } + if (uvc_host_stream_start(cap->stream) != ESP_OK) { + cap->lost.store(true); + return false; + } return true; } @@ -391,9 +423,11 @@ const uint8_t* videoCaptureFrame(VideoCaptureHandle& handle, uint16_t& width, } size_t videoCaptureFormats(VideoCaptureFormat* out, size_t max) { - const size_t have = advertisedCount.load(std::memory_order_acquire); - const size_t n = have < max ? have : max; - for (size_t i = 0; i < n; i++) out[i] = advertised[i]; + const int bank = publishedFormats.load(std::memory_order_acquire); + if (bank < 0) return 0; + const FormatBank& b = formatBank[bank]; + const size_t n = b.count < max ? b.count : max; + for (size_t i = 0; i < n; i++) out[i] = b.rows[i]; return n; } @@ -401,9 +435,14 @@ void videoCaptureDeinit(VideoCaptureHandle& handle) { auto* cap = static_cast(handle.impl); if (!cap) return; if (cap->stream) uvc_host_stream_stop(cap->stream); // no new frames while we tear down - if (cap->decoder) { // stop the decoder before what it uses + if (cap->decoder) { // stop the decoder before the things it reaches into + // Clear `lost` first so no new reopen() starts, then wait without a deadline: the task + // may be inside uvc_host_stream_open's own 3 s, and a shorter wait frees the semaphores + // and the JPEG engine underneath it. + cap->lost.store(false); cap->running = false; - xSemaphoreTake(cap->stopped, pdMS_TO_TICKS(500)); + xSemaphoreGive(cap->wake); // it may be parked on this + xSemaphoreTake(cap->stopped, portMAX_DELAY); } if (uvc_host_frame_t* frame = cap->pending.exchange(nullptr)) uvc_host_frame_return(cap->stream, frame); if (cap->stream) uvc_host_stream_close(cap->stream); diff --git a/test/unit/core/unit_VideoService.cpp b/test/unit/core/unit_VideoService.cpp index 71e7c9b2..1c15980f 100644 --- a/test/unit/core/unit_VideoService.cpp +++ b/test/unit/core/unit_VideoService.cpp @@ -143,3 +143,11 @@ TEST_CASE("VideoService: a platform with no capture advertises no formats") { mm::platform::VideoCaptureFormat formats[4]; CHECK(mm::platform::videoCaptureFormats(formats, 4) == 0); } + +// Accepting a non-whitespace separator eats a pixel and shifts every channel one place, which +// tints the whole image rather than failing. +TEST_CASE("VideoService PPM: the separator must be whitespace, not merely present") { + uint16_t w = 0, h = 0; + CHECK(parse("P6\n2 2\n255X", w, h) == -1); + CHECK(parse("P6\n2 2\n255\n", w, h) == 11); // the same header with a real separator +} diff --git a/test/unit/light/unit_AmbilightEffect.cpp b/test/unit/light/unit_AmbilightEffect.cpp index 0c11d10b..7f343a7a 100644 --- a/test/unit/light/unit_AmbilightEffect.cpp +++ b/test/unit/light/unit_AmbilightEffect.cpp @@ -5,6 +5,7 @@ #include "light/effects/AmbilightEffect.h" #include "light/layouts/GridLayout.h" #include "light/layouts/RectangleLayout.h" +#include "platform/platform.h" // fsRootPath: ctest roots the filesystem in the build tree #include "light/layouts/Layouts.h" #include @@ -359,11 +360,14 @@ struct Letterbox { VideoService svc; char path[64] = {}; Letterbox(int w, int h, int bar) { - // The desktop filesystem is rooted at fsRoot_ ("build"), so the service resolves a bare - // name under there: write it to the same place rather than to the real /tmp. + // The service resolves a bare name under the desktop filesystem root, which ctest points + // into the build tree. Ask for the resolved root rather than assuming one: with "build/" + // hard-coded the file landed where the service never looked, and this passed only when the + // binary was run from a checkout. std::snprintf(path, sizeof(path), "mm_letterbox_%dx%d_%d.ppm", w, h, bar); - char real[128]; - std::snprintf(real, sizeof(real), "build/%s", path); + char real[256]; + std::snprintf(real, sizeof(real), "%s/%s", mm::platform::fsRootPath(), path); + mm::platform::fsMkdir("/"); // ctest's root is a path, not necessarily a directory yet std::FILE* f = std::fopen(real, "wb"); REQUIRE(f != nullptr); std::fprintf(f, "P6\n%d %d\n255\n", w, h); @@ -379,8 +383,8 @@ struct Letterbox { svc.applyState(); } ~Letterbox() { - char real[128]; - std::snprintf(real, sizeof(real), "build/%s", path); + char real[256]; + std::snprintf(real, sizeof(real), "%s/%s", mm::platform::fsRootPath(), path); std::remove(real); } }; @@ -505,3 +509,24 @@ TEST_CASE("AmbilightEffect: a repeated frame leaves the strip untouched") { for (int i = 0; i < 5; i++) rig.tickOnly(); // no new frame published CHECK(std::memcmp(before, rig.px(4, 0), 3) == 0); } + +// Turning detection off has to clear the hysteresis, not only the adopted bars. A surviving +// candidate with a saturated counter agrees with itself the moment detection returns, so the +// adoption branch never fires again and the control looks dead. +TEST_CASE("AmbilightEffect: detection can be turned off and on again") { + Letterbox src(64, 64, 16); + Rig rig(8, 8); + rig.fx.saturation = 100; + rig.fx.detectBlackBars = true; + rig.render(); + for (int i = 0; i < 60; i++) rig.tickOnly(src.svc); + REQUIRE(rig.px(4, 0)[1] > 100); // bars adopted, reading the picture + + rig.fx.detectBlackBars = false; + rig.tickOnly(src.svc); + CHECK(rig.px(4, 0)[1] == 0); // back to the frame, so back inside the bar + + rig.fx.detectBlackBars = true; + for (int i = 0; i < 60; i++) rig.tickOnly(src.svc); + CHECK(rig.px(4, 0)[1] > 100); // and adopted again rather than stuck +} diff --git a/test/unit/light/unit_Correction.cpp b/test/unit/light/unit_Correction.cpp index 89ee9c3e..f1dce1b9 100644 --- a/test/unit/light/unit_Correction.cpp +++ b/test/unit/light/unit_Correction.cpp @@ -666,3 +666,53 @@ TEST_CASE("Correction: the current estimate counts Yellow and UV channels") { CHECK(c.limit < 256); } + +// A dimmer is emitted at 255 whatever the limit says, so it cannot be scaled with the colours. It +// comes off the budget first: pricing it as a scalable term would compute a limit on the assumption +// it shrinks too, and the frame would still draw more than the cap. +TEST_CASE("Correction: a master dimmer is taken off the budget, not scaled with the frame") { + uint8_t frame[10 * 3]; + std::memset(frame, 255, sizeof(frame)); // 10 white lights, 3 x 8 mA = 240 mA scalable + + Correction c; + c.budgetMa = 200; // 80 mA of that goes to the dimmer at 8 mA a light + mm::test::rebuildFromPreset(c, 255, mm::test::PresetOrder::RGB); + c.offDimmer = 3; + c.measure(frame, 3, 10); + CHECK(c.limit == 128); // (200-80)/240 -> half, not 200/320 + + // And when the fixed draw alone is over budget there is nothing left to give the colours. + c.budgetMa = 40; + c.measure(frame, 3, 10); + CHECK(c.limit == 0); +} + +// Yellow and UV are emitted from the same corrected RGB as everything else, so a fixture carrying +// them draws more than an RGB one on the same frame. Uncounted, an RGBY preset would exceed its cap. +TEST_CASE("Correction: the estimate counts the Yellow and UV emitters") { + uint8_t frame[10 * 3]; + std::memset(frame, 255, sizeof(frame)); + + Correction plain; + plain.budgetMa = 100; + mm::test::rebuildFromPreset(plain, 255, mm::test::PresetOrder::RGB); + plain.measure(frame, 3, 10); + + Correction wide; + wide.budgetMa = 100; + mm::test::rebuildFromPreset(wide, 255, mm::test::PresetOrder::RGB); + wide.offYellow = 3; // min(r,g) = 255 on a white frame, so a real extra draw + wide.measure(frame, 3, 10); + + CHECK(wide.limit < plain.limit); // the same frame costs more, so it is trimmed harder + + // And each emitter carries its own figure: a UV die usually draws more than a visible one, so + // pricing it as a colour channel would under-report, the direction that browns out a supply. + Correction thirsty; + thirsty.budgetMa = 100; + mm::test::rebuildFromPreset(thirsty, 255, mm::test::PresetOrder::RGB); + thirsty.offYellow = 3; + thirsty.mAYellow = 40; + thirsty.measure(frame, 3, 10); + CHECK(thirsty.limit < wide.limit); +} From 2e0670111262ebe0f62b33337c1abd0c6ef683de Mon Sep 17 00:00:00 2001 From: Shura Fedorovskyi Date: Thu, 3 Sep 2026 16:43:35 +0400 Subject: [PATCH 17/25] Close the second review round on capture and current limiting Nine more findings, six of them defects the first round introduced or missed. Two were holes in fixes made an hour earlier. Performance: not collected (no board attached this cycle). **Platform** - The slot handoff read `published` and claimed it in two separate atomics. Between them the decoder could publish, then pick the slot just read as free and decode into a buffer being displayed. Both indices live in one word now, claimed with a compare-exchange; a lost race hands back the newer frame instead. - Two banks were not enough for the advertised-format list: a reader loads bank 0, one connect event publishes bank 1, and a second overwrites bank 0 underneath it. A seqlock, so a reader that sees the generation move across its copy retries. - A reopen only sized the decode buffers when there were none. Width and height are requests, so a replacement device can negotiate larger and every frame would then be dropped as oversized while the stream looked healthy. Sized on every reopen, grow-only. - videoCaptureFormatGeneration() so a consumer can notice a rewrite without copying the list. **Core** - A grabber plugged in after prepare() enumerates on its own, but nothing read the new list, so `offered` kept its "no device" placeholder until an unrelated rebuild. tick1s compares the generation and asks for a prepare, which keeps the reading and the control rebuild on the cold path where they belong. **Light domain** - The modelled draw was floored, so one channel at 254 cost 7.97 mA and read as 7: a 7 mA budget applied no limit. Rounded up, because a cap that understates is not a cap. - The lit-position list was sized by the box rather than by what goes in it, which is 156 KB on a 200x200 rectangle to hold 3 KB. Counted first, then sized. - The repeated-frame skip ran after a prepare() that had just cleared the layer, so a rebuild against a source holding a frozen frame stayed black for ever. Gated on `primed_` again, the term dropped as unnecessary in the first round. - Motion channels are still not priced, and the reason is now written where the dimmer is priced: on every fixture that really has pan and tilt those bytes are DMX control values drawing nothing from this rail. **Tests** - "Every light is written" asserted only that one was, so it passed while every non-corner position could have been skipped. It fills the buffer with a value the effect cannot produce and requires that none survives, which is 143 assertions the old form was not making. - The rounded estimate, and the per-emitter milliamp figures. --- src/core/VideoService.h | 14 ++- src/light/drivers/Correction.h | 8 +- src/light/effects/AmbilightEffect.h | 12 +- src/platform/desktop/platform_desktop.cpp | 1 + .../esp32/platform_esp32_usbvideo.cpp | 104 ++++++++++++------ src/platform/platform.h | 4 + test/unit/light/unit_AmbilightEffect.cpp | 13 ++- test/unit/light/unit_Correction.cpp | 12 ++ 8 files changed, 124 insertions(+), 44 deletions(-) diff --git a/src/core/VideoService.h b/src/core/VideoService.h index deea3319..67c60fe2 100644 --- a/src/core/VideoService.h +++ b/src/core/VideoService.h @@ -1,6 +1,7 @@ #pragma once -#include "core/ActiveInstance.h" // the one-active-source seat (RAII vacate on destruct) +#include "core/ActiveInstance.h" +#include "core/Scheduler.h" // requestPrepareTree: a hotplug needs a cold-path rebuild // the one-active-source seat (RAII vacate on destruct) #include "core/color.h" // RGB: the pattern's band colours #include "core/MoonModule.h" #include "core/ScratchBuffer.h" @@ -142,6 +143,15 @@ class VideoService : public MoonModule { MoonModule::tick(); } + /// A grabber plugged in after prepare() enumerates on its own, so its format list arrives with + /// nothing having asked for it. Notice here (one atomic load) and ask for a rebuild, which runs + /// prepare() on the render thread where reading the list and rebuilding the dropdown belong. + void tick1s() MM_NONBLOCKING override { + if (source == 2 && platform::videoCaptureFormatGeneration() != formatGen_) + if (Scheduler* s = Scheduler::instance()) s->requestPrepareTree(); + MoonModule::tick1s(); + } + void release() override { platform::videoCaptureDeinit(capture_); seat_.vacate(); @@ -171,6 +181,7 @@ class VideoService : public MoonModule { /// Cold path: cache what the device advertises as dropdown labels. Kept out of /// defineControls(), which must stay pure. it only reads what this leaves behind. void readFormats() { + formatGen_ = platform::videoCaptureFormatGeneration(); const uint8_t was = formatCount_; formatCount_ = static_cast(platform::videoCaptureFormats(formats_, kMaxFormats)); for (uint8_t i = 0; i < formatCount_; i++) { @@ -218,6 +229,7 @@ class VideoService : public MoonModule { char formatLabels_[kMaxFormats][24] = {}; const char* formatOptions_[kMaxFormats] = {}; uint8_t formatCount_ = 0; + uint32_t formatGen_ = 0; // the platform generation formats_ was read at ScratchBuffer buf_{*this}; // width*height*3, accounted in dynamicBytes() VideoFrame frame_; uint32_t seq_ = 0; diff --git a/src/light/drivers/Correction.h b/src/light/drivers/Correction.h index 1c4f7e85..5bb4809a 100644 --- a/src/light/drivers/Correction.h +++ b/src/light/drivers/Correction.h @@ -238,12 +238,18 @@ struct Correction { } sum += (static_cast(r) + g + b) * mAColor + static_cast(w) * whiteMa; } - const uint64_t scalableMa = sum / 255; + // Rounded UP: a cap that understates is not a cap. One channel at 254 costs 7.97 mA and + // floors to 7, so a 7 mA budget would apply no limit at all. + const uint64_t scalableMa = (sum + 254) / 255; // A master dimmer holds 255 whatever `limit` says, so it is a FIXED cost: take it off the // budget and scale the rest into what is left. Priced as scalable, the ratio would assume // it shrinks too and the frame would still exceed the cap. On an addressable strip that // byte is a die, and the IRGB preset puts a Dimmer on one. + // Motion is written unscaled too and is deliberately not priced: on every fixture that + // really has pan and tilt those bytes are DMX control values drawing nothing from this + // rail, so charging mAColor for them would be fiction. The dimmer is priced because IRGB + // puts one on a 4-channel light, which is a plausible pick for an addressable strip. const uint64_t fixedMa = (offDimmer != kAbsent) ? static_cast(n) * mAColor : 0; if (fixedMa >= budgetMa) { // the fixed draw alone is over: nothing left to give the colours limit = 0; diff --git a/src/light/effects/AmbilightEffect.h b/src/light/effects/AmbilightEffect.h index 9b6e8b9f..57fd17e8 100644 --- a/src/light/effects/AmbilightEffect.h +++ b/src/light/effects/AmbilightEffect.h @@ -86,7 +86,12 @@ class AmbilightEffect : public EffectBase { lit_.resize(0); return; } - if (!lit_.resize(positions)) return; // no list: tick() falls back to painting the whole box + // Count first, then size to the count: sizing by the box reserves 156 KB on a 200x200 + // rectangle to hold the 3 KB its perimeter needs, the waste this list exists to remove. + size_t lit = 0; + for (size_t i = 0; i < positions; i++) + if (lut.hasDestination(static_cast(i))) lit++; + if (lit == 0 || !lit_.resize(lit)) return; // no list: tick() paints the whole box instead const lengthType w = width(); for (size_t i = 0; i < positions; i++) if (lut.hasDestination(static_cast(i))) @@ -105,8 +110,9 @@ class AmbilightEffect : public EffectBase { return; } - // The frame already on the strip - if (frame->seq == lastSeq_) return; + // The frame already on the strip. `primed_` is what makes that true: prepare() clears the + // layer and resets it, so without it a rebuild against a frozen frame stays black. + if (primed_ && frame->seq == lastSeq_) return; lastSeq_ = frame->seq; const lengthType lightsX = width(), lightsY = height(); diff --git a/src/platform/desktop/platform_desktop.cpp b/src/platform/desktop/platform_desktop.cpp index b29f788e..cc28939c 100644 --- a/src/platform/desktop/platform_desktop.cpp +++ b/src/platform/desktop/platform_desktop.cpp @@ -2131,6 +2131,7 @@ bool videoCaptureInit(VideoCaptureHandle& /*h*/, uint16_t /*width*/, uint16_t /* return false; } size_t videoCaptureFormats(VideoCaptureFormat* /*out*/, size_t /*max*/) { return 0; } +uint32_t videoCaptureFormatGeneration() { return 0; } const uint8_t* videoCaptureFrame(VideoCaptureHandle& /*h*/, uint16_t& /*width*/, uint16_t& /*height*/) MM_NONBLOCKING { return nullptr; diff --git a/src/platform/esp32/platform_esp32_usbvideo.cpp b/src/platform/esp32/platform_esp32_usbvideo.cpp index ddcfc193..9ffbc08e 100644 --- a/src/platform/esp32/platform_esp32_usbvideo.cpp +++ b/src/platform/esp32/platform_esp32_usbvideo.cpp @@ -64,8 +64,16 @@ struct Capture { size_t rgbCap = 0; uint16_t width[kSlots] = {}; uint16_t height[kSlots] = {}; - std::atomic published{-1}; // decoder -> renderer: newest complete slot - std::atomic inUse{-1}; // renderer -> decoder: slot handed out last call + // ONE word: reading which slot is newest and claiming it must be a single step, or the + // decoder can publish between the two and then pick the slot just read as free, decoding into + // a buffer being displayed. Packed (published+1) << 8 | (inUse+1); 0 in a field means none. + std::atomic slots{0}; + + static int pubOf(uint16_t s) { return static_cast(s >> 8) - 1; } + static int useOf(uint16_t s) { return static_cast(s & 0xFF) - 1; } + static uint16_t pack(int pub, int use) { + return static_cast(((pub + 1) << 8) | ((use + 1) & 0xFF)); + } }; // What the attached device advertises. File scope rather than inside Capture because it is learned @@ -73,15 +81,16 @@ struct Capture { constexpr size_t kMaxFormats = 24; uvc_host_frame_info_t frameList[kMaxFormats]; // file scope: too big for the driver task's stack -// Double-buffered: the driver task fills the bank `published` does NOT name, then publishes it, so -// a rewrite cannot touch what a reader is copying. A count zeroed and restored is not exclusion: -// a reader can load a nonzero one in the instant before the writer clears it. +// A seqlock. Two banks are not enough: a reader loads bank 0, one connect event publishes bank 1, +// and a second overwrites bank 0 while that reader is still copying. The generation is odd during +// a write, and a reader that sees it move across the copy retries. Cold path both sides, and the +// writer (the UVC driver task) never waits. struct FormatBank { VideoCaptureFormat rows[kMaxFormats]; size_t count = 0; }; -FormatBank formatBank[2]; -std::atomic publishedFormats{-1}; // -1 until a device has enumerated +FormatBank formatBank; +std::atomic formatGen{0}; // 0 = nothing published yet; odd = a write in progress bool hostReady = false; @@ -141,9 +150,9 @@ uint8_t fpsFrom(uint32_t interval) { // One dropdown row per (resolution, rate) pair. A device that does 320x240 at both 30 and 60 lists // the resolution ONCE with several intervals, so without this expansion only its default is // reachable from the UI. -void addAdvertised(const uvc_host_frame_info_t& info, uint32_t interval, size_t& n, int bank) { +void addAdvertised(const uvc_host_frame_info_t& info, uint32_t interval, size_t& n) { if (n >= kMaxFormats || interval == 0) return; - VideoCaptureFormat& f = formatBank[bank].rows[n++]; + VideoCaptureFormat& f = formatBank.rows[n++]; f.width = static_cast(info.h_res); f.height = static_cast(info.v_res); f.fps = fpsFrom(interval); @@ -165,44 +174,52 @@ void onDriverEvent(const uvc_host_driver_event_data_t* event, void*) { } if (count > kMaxFormats) count = kMaxFormats; // it reports what it NEEDS, not what it wrote - // Fill the bank nobody is reading, then publish it. - const int bank = publishedFormats.load(std::memory_order_relaxed) == 0 ? 1 : 0; + // Bracket the rewrite in an odd generation, so a reader can tell it overlapped one. + formatGen.fetch_add(1, std::memory_order_release); + std::atomic_thread_fence(std::memory_order_release); size_t n = 0; for (size_t i = 0; i < count; i++) { const uvc_host_frame_info_t& info = frameList[i]; if (info.format != UVC_VS_FORMAT_MJPEG) continue; // nothing else is decodable here if (info.interval_type == 0) { // a continuous range: offer both ends, fastest first - addAdvertised(info, info.interval_min, n, bank); - if (info.interval_max != info.interval_min) addAdvertised(info, info.interval_max, n, bank); + addAdvertised(info, info.interval_min, n); + if (info.interval_max != info.interval_min) addAdvertised(info, info.interval_max, n); continue; } const uint8_t rates = info.interval_type < CONFIG_UVC_INTERVAL_ARRAY_SIZE ? info.interval_type : CONFIG_UVC_INTERVAL_ARRAY_SIZE; - for (uint8_t j = 0; j < rates; j++) addAdvertised(info, info.interval[j], n, bank); + for (uint8_t j = 0; j < rates; j++) addAdvertised(info, info.interval[j], n); } - formatBank[bank].count = n; - publishedFormats.store(bank, std::memory_order_release); + formatBank.count = n; + formatGen.fetch_add(1, std::memory_order_release); // even again: the list is settled } void onEvent(const uvc_host_stream_event_data_t* event, void* ctx) { auto* cap = static_cast(ctx); if (event->type == UVC_HOST_DEVICE_DISCONNECTED) { - cap->published.store(-1); + cap->slots.store(0); // nothing published, nothing claimed cap->lost.store(true); // decoderTask reopens; stream_open blocks, so not from here ESP_LOGW(kTag, "capture device disconnected"); } } // Allocated once from the negotiated format, so no reallocation ever races the render thread. +// Grow-only, so a replug at the same or a smaller format keeps the buffers it has and a bigger +// one gets new ones. Not doing this is silent: decode() would drop every oversized frame. bool allocSlots(Capture& cap, uint16_t w, uint16_t h) { const size_t need = static_cast(w) * h * 3; + if (cap.rgb[0] && cap.rgbCap >= need) return true; jpeg_decode_memory_alloc_cfg_t memCfg = {}; memCfg.buffer_direction = JPEG_DEC_ALLOC_OUTPUT_BUFFER; for (int i = 0; i < kSlots; i++) { + free(cap.rgb[i]); // free(nullptr) is a no-op, so the first allocation needs no guard size_t got = 0; cap.rgb[i] = static_cast(jpeg_alloc_decoder_mem(need, &memCfg, &got)); - if (!cap.rgb[i]) return false; + if (!cap.rgb[i]) { + cap.rgbCap = 0; // a partial set is no set: decode() must not write into a freed slot + return false; + } cap.rgbCap = got; // every slot gets the same request, so the same rounded-up size } return true; @@ -212,8 +229,8 @@ bool allocSlots(Capture& cap, uint16_t w, uint16_t h) { // anyway would hand the decoder a buffer the render thread is reading. Corruption with no error is // worse than a dropped frame. int freeSlot(const Capture& cap) { - const int pub = cap.published.load(std::memory_order_relaxed); - const int use = cap.inUse.load(std::memory_order_relaxed); + const uint16_t s = cap.slots.load(std::memory_order_acquire); + const int pub = Capture::pubOf(s), use = Capture::useOf(s); for (int i = 0; i < kSlots; i++) if (i != pub && i != use) return i; return -1; @@ -242,7 +259,12 @@ void decode(Capture& cap, uvc_host_frame_t* frame) { cap.width[slot] = static_cast(info.width); cap.height[slot] = static_cast(info.height); - cap.published.store(slot, std::memory_order_release); // dimensions first, then the slot + // Preserve whatever the renderer claimed while the decode ran. Pixels and dimensions are + // written first, and the release makes them visible to whoever acquires this. + uint16_t cur = cap.slots.load(std::memory_order_relaxed); + while (!cap.slots.compare_exchange_weak(cur, Capture::pack(slot, Capture::useOf(cur)), + std::memory_order_release, std::memory_order_relaxed)) { + } } bool openStream(Capture& cap, uint16_t width, uint16_t height, uint8_t fps); // defined below @@ -257,9 +279,10 @@ void reopen(Capture& cap) { cap.stream = nullptr; } if (!openStream(cap, cap.reqWidth, cap.reqHeight, cap.reqFps)) return; - // The buffers are sized from the negotiated format, so a first open that never found a device - // has none yet. Grow-only: a later reopen at the same format keeps what it has. - if (!cap.rgb[0] && !sizeBuffers(cap)) return; + // Every reopen, not only the first: width and height are requests, so a replacement device + // can negotiate something larger, and buffers sized for the old one would make decode() drop + // every frame while the stream looked healthy. + if (!sizeBuffers(cap)) return; if (uvc_host_stream_start(cap.stream) != ESP_OK) { ESP_LOGW(kTag, "reopened the device but could not start the stream"); return; // `lost` stays set, so the next timeout tries again @@ -413,22 +436,34 @@ const uint8_t* videoCaptureFrame(VideoCaptureHandle& handle, uint16_t& width, uint16_t& height) MM_NONBLOCKING { auto* cap = static_cast(handle.impl); if (!cap) return nullptr; - const int slot = cap->published.load(std::memory_order_acquire); - // Consecutive publishes always land in different slots, so an unchanged one means no new frame. - if (slot < 0 || slot == cap->inUse.load(std::memory_order_relaxed)) return nullptr; - cap->inUse.store(slot, std::memory_order_relaxed); // claim it before the caller reads it + // Read and claim in one step. The loop runs again only if the decoder published meanwhile, + // and then hands back that newer frame. + uint16_t cur = cap->slots.load(std::memory_order_acquire); + int slot; + do { + slot = Capture::pubOf(cur); + // Consecutive publishes land in different slots, so an unchanged one means no new frame. + if (slot < 0 || slot == Capture::useOf(cur)) return nullptr; + } while (!cap->slots.compare_exchange_weak(cur, Capture::pack(slot, slot), + std::memory_order_acq_rel, std::memory_order_acquire)); width = cap->width[slot]; height = cap->height[slot]; return cap->rgb[slot]; } +uint32_t videoCaptureFormatGeneration() { return formatGen.load(std::memory_order_acquire); } + size_t videoCaptureFormats(VideoCaptureFormat* out, size_t max) { - const int bank = publishedFormats.load(std::memory_order_acquire); - if (bank < 0) return 0; - const FormatBank& b = formatBank[bank]; - const size_t n = b.count < max ? b.count : max; - for (size_t i = 0; i < n; i++) out[i] = b.rows[i]; - return n; + for (;;) { + const uint32_t before = formatGen.load(std::memory_order_acquire); + if (before == 0) return 0; // nothing published yet + if (before & 1u) continue; // a write is in progress; let it finish + size_t n = formatBank.count; + if (n > max) n = max; + for (size_t i = 0; i < n; i++) out[i] = formatBank.rows[i]; + std::atomic_thread_fence(std::memory_order_acquire); + if (formatGen.load(std::memory_order_relaxed) == before) return n; // no write overlapped + } } void videoCaptureDeinit(VideoCaptureHandle& handle) { @@ -463,6 +498,7 @@ namespace mm::platform { bool videoCaptureInit(VideoCaptureHandle&, uint16_t, uint16_t, uint8_t) { return false; } size_t videoCaptureFormats(VideoCaptureFormat*, size_t) { return 0; } +uint32_t videoCaptureFormatGeneration() { return 0; } const uint8_t* videoCaptureFrame(VideoCaptureHandle&, uint16_t&, uint16_t&) MM_NONBLOCKING { return nullptr; } void videoCaptureDeinit(VideoCaptureHandle&) {} diff --git a/src/platform/platform.h b/src/platform/platform.h index 7f4db3ed..4ce2442f 100644 --- a/src/platform/platform.h +++ b/src/platform/platform.h @@ -1501,6 +1501,10 @@ struct VideoCaptureFormat { // reading. 0 means no device has been seen yet. size_t videoCaptureFormats(VideoCaptureFormat* out, size_t max); +// Bumped whenever that list is rewritten, which is when a device enumerates. A consumer caching +// the list compares this instead of copying, so noticing a hotplug costs one load. 0 until then. +uint32_t videoCaptureFormatGeneration(); + // Claim the first UVC device on the bus and stream MJPEG. All three of width, // height and fps are requests rather than promises: the device negotiates what it // can, and videoCaptureFrame reports what actually arrived. False when nothing is diff --git a/test/unit/light/unit_AmbilightEffect.cpp b/test/unit/light/unit_AmbilightEffect.cpp index 7f343a7a..0a7a5c7f 100644 --- a/test/unit/light/unit_AmbilightEffect.cpp +++ b/test/unit/light/unit_AmbilightEffect.cpp @@ -104,15 +104,18 @@ TEST_CASE("AmbilightEffect: every light is written, none left dark by an empty z rig.fx.saturation = 100; rig.render(); - int lit = 0; + // WRITTEN, not lit: the pattern's centre is black, so counting lit cells cannot tell "every + // position was painted" from "one was". Fill with a value the effect cannot produce instead. + constexpr uint8_t kSentinel = 0x5A; + std::memset(rig.layer.buffer().data(), kSentinel, static_cast(16) * 9 * 3); + rig.render(); + for (int y = 0; y < 9; y++) for (int x = 0; x < 16; x++) { const uint8_t* p = rig.px(x, y); - if (p[0] || p[1] || p[2]) lit++; + const bool untouched = p[0] == kSentinel && p[1] == kSentinel && p[2] == kSentinel; + CHECK_FALSE(untouched); } - // The pattern's centre is deliberately black, so not every light is lit, but the four bands - // are, and they are the majority of a 16x9 border-shaped frame. - CHECK(lit > 0); // The corners sit inside the coloured bands and must never be dark. for (const auto& [x, y] : {std::pair{0, 0}, std::pair{15, 0}, std::pair{0, 8}, std::pair{15, 8}}) { const uint8_t* p = rig.px(x, y); diff --git a/test/unit/light/unit_Correction.cpp b/test/unit/light/unit_Correction.cpp index f1dce1b9..44f4c9bb 100644 --- a/test/unit/light/unit_Correction.cpp +++ b/test/unit/light/unit_Correction.cpp @@ -716,3 +716,15 @@ TEST_CASE("Correction: the estimate counts the Yellow and UV emitters") { thirsty.measure(frame, 3, 10); CHECK(thirsty.limit < wide.limit); } + +// A cap that understates is not a cap: flooring the modelled draw lets a frame sit fractionally +// over the budget with no limit applied. +TEST_CASE("Correction: the modelled draw is rounded up, so the cap stays an upper bound") { + const uint8_t frame[3] = {254, 0, 0}; // one channel at 254: 7.97 mA at 8 mA full scale + + Correction c; + c.budgetMa = 7; // floored the draw reads as exactly 7 and passes + mm::test::rebuildFromPreset(c, 255, mm::test::PresetOrder::RGB); + c.measure(frame, 3, 1); + CHECK(c.limit < 256); // rounded up it is 8, over budget, so it is trimmed +} From 35df9724572042546f7c3721d236a8a8fd7fb62d Mon Sep 17 00:00:00 2001 From: Shura Fedorovskyi Date: Thu, 3 Sep 2026 21:09:14 +0400 Subject: [PATCH 18/25] Let the platform own capture buffers for the life of one open MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit USB capture no longer chases a device that goes away. One open is one device at one negotiated format, buffers live from init to deinit, and a replug is picked up by re-opening rather than by patching the stream in place. The frame-gap timeout also loses its "hold forever" setting, which never matched how a UVC device behaves. Performance: not collected, no board attached (collect_kpi.py --commit needs one). Core - videoCaptureFrame's buffers are allocated in videoCaptureInit and freed in videoCaptureDeinit, never in between, so no task can reallocate while another reads. videoCaptureBufferGeneration() existed only to observe that race and is gone from the seam. - The UVC driver installs once, like the host library. Installing per open re-enumerated the attached device and bumped the format generation, which is the very signal the caller re-inits on. - Replug recovery moves out of the platform: a return re-enumerates, bumps the format generation, and VideoService re-opens on its own thread. Removing reopen() takes the stream handle out of the decode task, which is what forced the teardown ordering and the reallocation in the first place. - videoCaptureDeinit stops the stream, then joins the decode task, then frees. The join is unbounded on purpose: the 40 ms decode timeout bounds it. - VideoService closes the device through one door. The published frame borrows a platform buffer, so closeCapture() drops it before deinit; release() freed first and cleared after. - staleMs no longer treats 0 as "hold the last frame forever". A UVC device streams continuously whatever is on the wire, so a gap means the grabber stopped, not that the content paused. Floored above a frame interval: the render loop outruns the capture, so ordinary gaps would read as loss. - The negotiated-size status compares against what was last shown, not against the frame, which a stale drop resets to zero and made it re-fire on recovery. - PPM header limit raised to 256 bytes, with its own error. - hasUsbVideo requires CONFIG_IDF_TARGET_ESP32P4, so the capability flag agrees with the implementation gate. Light domain - presetHasRole() drives Yellow/UV control visibility from the selected preset rather than a correction_ that prepare() has not rebuilt yet. Tests - Source selection uses the named kSource* constants instead of bare indices. Docs/CI - services.md and effects.md follow the code; American spelling across our lines. - The graphify ignore rule drops its root anchor: output is written beside whatever path was scanned, so a nested one is output too, not a source dir. Reviews - 👾 Buffer lease ends at the next call: partly wrong, inUse holds the slot indefinitely. Fixed the real half by removing the mid-flight reallocation. - 👾 Seqlock payload must be atomic to be race-free in the C++ model: done. - 👾 Yellow/UV current not gated on white mode: kept ours, apply() already zeroes both when the mode is None. Co-Authored-By: Claude Opus 5 (1M context) --- .gitignore | 4 +- docs/moonmodules/core/services.md | 6 +- docs/moonmodules/light/drivers.md | 4 +- docs/moonmodules/light/effects.md | 6 +- src/core/VideoService.h | 177 +++++++++++------- src/light/drivers/Correction.h | 8 +- src/light/drivers/DriverBase.h | 9 +- src/light/drivers/LightPresetsModule.h | 11 ++ src/light/effects/AmbilightEffect.h | 4 +- src/platform/esp32/platform_config.h | 10 +- .../esp32/platform_esp32_usbvideo.cpp | 165 +++++++--------- src/platform/platform.h | 16 +- test/unit/core/unit_VideoService.cpp | 8 +- test/unit/light/unit_AmbilightEffect.cpp | 20 +- test/unit/light/unit_Correction.cpp | 10 +- 15 files changed, 245 insertions(+), 213 deletions(-) diff --git a/.gitignore b/.gitignore index 16cf57c5..3153a487 100644 --- a/.gitignore +++ b/.gitignore @@ -146,6 +146,6 @@ __pycache__/ # nested path of that name anywhere in the tree. /.snapshots/ -# Knowledge-graph output (the /graphify skill). Root-anchored + dir-scoped like the entries above, -# so a nested path of that name elsewhere is not swallowed. +# Knowledge-graph output (the /graphify skill). NOT root-anchored, unlike the entries above: +# it is written beside whatever path was scanned, so a nested one is output too, not a source dir. /graphify-out/ diff --git a/docs/moonmodules/core/services.md b/docs/moonmodules/core/services.md index 6cb1cfe7..443d1bf1 100644 --- a/docs/moonmodules/core/services.md +++ b/docs/moonmodules/core/services.md @@ -41,14 +41,14 @@ Detail: [technical](moxygen/AudioService.md) A Service (added by the user, not auto-wired): the video source that feeds screen-follow effects via `VideoService::latestFrame()`. The counterpart of [Audio](#audio) for a picture: one decode per tick, published once, read by however many effects want it. `source` decides which of the controls below are shown. -- `source`: `test pattern` synthesises a frame and needs no hardware or files; `file` reads a binary PPM off the filesystem; `usb` captures from an HDMI grabber, offered only on a target that can. +- `source`: `test pattern` synthesizes a frame and needs no hardware or files; `file` reads a binary PPM off the filesystem; `usb` captures from an HDMI grabber, offered only on a target that can. - `file`: (file) path to a binary PPM (P6, maxval 255). Upload it through the File Manager, or point at any path on the device. - `reload`: (file) re-read the file in place, without rebuilding the pipeline. - `offered`: (usb) the resolution and frame rate to request, chosen from what the attached device advertises. Read-only until one enumerates, since the device decides what is on the list. -- `staleMs`: (usb) how long a gap in frames is tolerated before the lights go dark. 0 holds the last picture instead. +- `staleMs`: (usb) how long a gap in frames is tolerated before the lights go dark. A UVC device streams continuously whatever is on the wire, so a gap means the grabber stopped, not that the content paused. - status: the live frame's dimensions (`848x480`), or the reason there is no frame. -**The test pattern is a diagnostic, not decoration.** Four coloured border bands (red top, green right, blue bottom, yellow left) and a white block sweeping along the top edge. On a border-mounted strip that makes orientation self-evident: a mis-set `startCorner` or `clockwise` on the [Rectangle](../light/layouts.md#rectangle) layout shows as the wrong physical edge lighting, rather than a subtly wrong picture. The sweeping block shows liveness and which way "forward" runs. +**The test pattern is a diagnostic, not decoration.** Four colored border bands (red top, green right, blue bottom, yellow left) and a white block sweeping along the top edge. On a border-mounted strip that makes orientation self-evident: a mis-set `startCorner` or `clockwise` on the [Rectangle](../light/layouts.md#rectangle) layout shows as the wrong physical edge lighting, rather than a subtly wrong picture. The sweeping block shows liveness and which way "forward" runs. **The USB source needs an ESP32-P4.** It wants two things at once and only that chip has both: a High-Speed USB PHY (the S3 has USB, but too slow to carry video) and a hardware JPEG decoder. Elsewhere the option is not offered and the two software sources still work. Choosing a format: diff --git a/docs/moonmodules/light/drivers.md b/docs/moonmodules/light/drivers.md index 57955ae1..deb34373 100644 --- a/docs/moonmodules/light/drivers.md +++ b/docs/moonmodules/light/drivers.md @@ -20,10 +20,10 @@ Added once by [`DriverBase`](moxygen/DriverBase.md) so no driver re-implements i - `gamma x10`: gamma in tenths (`10` = 1.0 = off, the default; `22` = 2.2). An LED's output is near-linear in PWM duty while perception is a power law, so an uncorrected ramp reads as "bright fast, then flat"; the curve restores an even fade. Applied *before* brightness, so dimming never reshapes it. - `balanceRed` / `balanceGreen` / `balanceBlue`: per-channel white balance (0 to 255, `255` = untouched). Trim **down** to pull a white point neutral: leave the weakest channel at 255 and lower the other two to match. There is no headroom above 255, so raising clips rather than balances. On an RGBW fixture the trims also feed the synthesized W, so the white channel cannot carry a cast the trim just removed. - `maxCurrentMa`: cap the current a frame may draw, in milliamps. 0 (default) is off. The driver prices each frame before emitting it and scales the whole frame down if it is over budget, so a white screen cannot brown out the supply whatever the brightness. Set it to the supply's rating less what the board itself uses. -- `mAPerColorChannel` / `mAPerWhiteChannel`: what one channel draws at full, for that estimate. Per **channel**, not per light: a white die draws about twice a colour one, so a single per-light figure under-reports white-heavy frames, which is the direction that browns out a supply. Defaults (8 and 16) are measured on a 5 m SK6812 RGBW strip. WLED carries the per-light version of this as an open issue, [#3707](https://github.com/wled/WLED/issues/3707). +- `mAPerColorChannel` / `mAPerWhiteChannel`: what one channel draws at full, for that estimate. Per **channel**, not per light: a white die draws about twice a color one, so a single per-light figure under-reports white-heavy frames, which is the direction that browns out a supply. Defaults (8 and 16) are measured on a 5 m SK6812 RGBW strip. WLED carries the per-light version of this as an open issue, [#3707](https://github.com/wled/WLED/issues/3707). - `mAPerYellowChannel` / `mAPerUvChannel`: the same for the two emitters a 6-channel lightbar adds, shown only on a fixture that carries them. Both default to 8 by assumption rather than measurement: amber sits near red, while a UV die usually draws more. -Only drivers whose lights run off **this board's supply** offer these at all: the LED drivers do, while [Network Send](#networksend), [Panel Card](#panelcard) and [Hue](#hue) feed fixtures with their own power and so have nothing to cap. A master dimmer is counted but never scaled: it is held at full whatever the limit says, so its draw comes off the budget before the colours are scaled into what is left. +Only drivers whose lights run off **this board's supply** offer these at all: the LED drivers do, while [Network Send](#networksend), [Panel Card](#panelcard) and [Hue](#hue) feed fixtures with their own power and so have nothing to cap. A master dimmer is counted but never scaled: it is held at full whatever the limit says, so its draw comes off the budget before the colors are scaled into what is left. - `start` — first light of the shared buffer this driver reads (default `0`). - `count` — how many lights from `start` this driver drives. **Blank / default drives all lights**; set a number to output only that slice — the way multiple drivers each own a section of one buffer (an onboard status LED at `0`, the main strip from `1`). diff --git a/docs/moonmodules/light/effects.md b/docs/moonmodules/light/effects.md index 3760153b..f34ba937 100644 --- a/docs/moonmodules/light/effects.md +++ b/docs/moonmodules/light/effects.md @@ -950,11 +950,11 @@ Detail: [technical](moxygen/NoiseEffect.md) ### Ambilight 📺 -Paints the layer with the live frame from the [Video](../core/services.md#video) service, so lights around a display glow the colour of the picture nearest them: the screen-follow / Hyperion behaviour. Each light shows the **mean** of the source rectangle mapping to it, which is steady where a single sampled pixel would flicker on grain and moving edges. +Paints the layer with the live frame from the [Video](../core/services.md#video) service, so lights around a display glow the color of the picture nearest them: the screen-follow / Hyperion behavior. Each light shows the **mean** of the source rectangle mapping to it, which is steady where a single sampled pixel would flicker on grain and moving edges. -- `brightness`: scales the sampled colour. Dims *the video*, unlike the driver's brightness which dims everything. +- `brightness`: scales the sampled color. Dims *the video*, unlike the driver's brightness which dims everything. - `saturation`: how far each channel is pushed from its zone's luma, as a percentage (100 = the mean untouched). Averaging mixes hues, so screen-follow lighting reads washed out without a boost. -- `smoothing`: how much of the gap to a light's new colour is closed per frame. 0 follows the picture exactly; about 200 is Hyperion's default feel, roughly 200 ms to settle. The top of the range is a slow colour wash rather than an ambilight. +- `smoothing`: how much of the gap to a light's new color is closed per frame. 0 follows the picture exactly; about 200 is Hyperion's default feel, roughly 200 ms to settle. The top of the range is a slow color wash rather than an ambilight. - `snapAbove`: a channel moving further than this jumps instead of easing. A scene cut is a real jump, and smoothing through it reads as the lights lagging the picture. - `fadeInMs`: ramps the output up from black when a picture arrives after a gap: boot, a console waking, a grabber replugged. 0 lands it at full immediately. - `edgeDepth`: how far into the picture the **outermost** lights look, as a percentage. Their own share is 1/height of the frame, a sliver at the very edge where compression is worst; Hyperion samples about 8%. It **sets** the depth rather than raising a floor, so a value below a position's own share makes its zone thinner instead. 0 keeps the plain division, which is what a video wall wants. diff --git a/src/core/VideoService.h b/src/core/VideoService.h index 67c60fe2..bd214b14 100644 --- a/src/core/VideoService.h +++ b/src/core/VideoService.h @@ -1,8 +1,8 @@ #pragma once -#include "core/ActiveInstance.h" -#include "core/Scheduler.h" // requestPrepareTree: a hotplug needs a cold-path rebuild // the one-active-source seat (RAII vacate on destruct) -#include "core/color.h" // RGB: the pattern's band colours +#include "core/ActiveInstance.h" // the one-active-source seat (RAII vacate on destruct) +#include "core/Scheduler.h" // requestPrepareTree: a hotplug needs a cold-path rebuild +#include "core/color.h" // RGB: the pattern's band colors #include "core/MoonModule.h" #include "core/ScratchBuffer.h" #include "core/VideoFrame.h" @@ -18,36 +18,43 @@ namespace mm { /// `latestFrame()`. Decoded once here however many effects read it, and effects hold no pointer /// to this module. /// -/// Two sources. `test pattern` is a DIAGNOSTIC, not decoration: its coloured border bands make a +/// Three sources. `test pattern` is a DIAGNOSTIC, not decoration: its colored border bands make a /// border-mapped effect's orientation self-evident, so a mis-set `startCorner` shows up as the /// wrong physical edge lighting rather than as a subtly wrong picture. `file` reads a binary PPM. +/// `usb` captures from an HDMI grabber, where the platform has the hardware for it. /// /// PPM rather than JPEG because there is no software JPEG decoder here. the real capture path uses /// the P4's JPEG hardware behind the platform layer, and adding one for the desktop build would buy -/// a dependency for a convenience. USB capture lands as a third source filling the same buffer. +/// a dependency for a convenience. +/// +/// Ownership of the pixels differs per source: the software ones render into buf_, which this +/// module owns; usb BORROWS the decoder's output buffer, which the platform owns while the device +/// is open. So the device is only ever closed through closeCapture(), which drops the frame first. /// /// Not auto-wired: the user adds it under the `Services` container class VideoService : public MoonModule { public: ModuleRole role() const MM_NONBLOCKING override { return ModuleRole::Service; } - // 0 = test pattern, 1 = PPM file, 2 = USB capture (platform::hasUsbVideo only). Appended, so a - // persisted index keeps its meaning. - uint8_t source = 0; - char file[64] = "/frame.ppm"; - uint8_t usbFormat = 0; // index into the device's advertised list; the only USB setting persisted - uint16_t staleMs = 2000; // 0 = hold the last frame forever - + // Appended, never reordered, so a persisted index keeps its meaning. + static constexpr uint8_t kSourcePattern = 0; + static constexpr uint8_t kSourceFile = 1; + static constexpr uint8_t kSourceUsb = 2; // platform::hasUsbVideo only static constexpr const char* kSourceOptions[] = {"test pattern", "file", "usb"}; // A target with no High-Speed USB host or no JPEG decoder cannot capture, so it is not offered // the option: the two software sources still work everywhere. static constexpr uint8_t kSourceCount = platform::hasUsbVideo ? 3 : 2; - // Synthesised-pattern extent. Small on purpose: a border effect averages the frame down to a + uint8_t source = kSourcePattern; + char file[64] = "/frame.ppm"; + uint8_t usbFormat = 0; // index into the device's advertised list; the only USB setting persisted + uint16_t staleMs = 2000; // gap tolerated before the lights go dark + + // Synthesized-pattern extent. Small on purpose: a border effect averages the frame down to a // few dozen values, so pixels beyond that buy nothing but bandwidth and decode time. 16:9. static constexpr uint16_t kPatternW = 64; static constexpr uint16_t kPatternH = 36; - static constexpr int kBand = kPatternH / 4; // thickness of each coloured edge + static constexpr int kBand = kPatternH / 4; // thickness of each colored edge // Sanity ceiling for a loaded file - comfortably past 4K, so a corrupt header is rejected at // parse time with a clear message instead of failing later as "too large for memory". What // actually bounds the allocation is buf_.resize() failing, which allocate() handles. @@ -65,9 +72,9 @@ class VideoService : public MoonModule { void defineControls() override { controls_.addSelect("source", source, kSourceOptions, kSourceCount); controls_.addText("file", file, sizeof(file)); - controls_.setHidden(controls_.count() - 1, source != 1); + controls_.setHidden(controls_.count() - 1, source != kSourceFile); controls_.addButton("reload"); - controls_.setHidden(controls_.count() - 1, source != 1); + controls_.setHidden(controls_.count() - 1, source != kSourceFile); // The device decides what is on offer, so there is nothing to type. Until one has // enumerated the control still renders (read-only, holding a placeholder) rather than // appearing out of nowhere once a cable is plugged in. @@ -75,12 +82,13 @@ class VideoService : public MoonModule { const bool known = formatCount_ > 0; controls_.addSelect("offered", usbFormat, known ? formatOptions_ : kNoDevice, known ? formatCount_ : 1); - controls_.setHidden(controls_.count() - 1, source != 2); + controls_.setHidden(controls_.count() - 1, source != kSourceUsb); controls_.setReadOnly(controls_.count() - 1, !known); - // How long a gap in frames is tolerated before the lights go dark. 0 holds the last - // picture instead, for a source that legitimately stops sending. - controls_.addControl("staleMs", staleMs, 0, 10000); - controls_.setHidden(controls_.count() - 1, source != 2); + // How long a gap in frames is tolerated before the lights go dark. Floored above a frame + // interval, not 0: the render loop outruns the capture, so ordinary gaps between frames + // would otherwise read as loss and strobe the room. + controls_.addControl("staleMs", staleMs, 100, 10000); + controls_.setHidden(controls_.count() - 1, source != kSourceUsb); MoonModule::defineControls(); } @@ -100,62 +108,46 @@ class VideoService : public MoonModule { /// Cold path: size the frame buffer for the selected source and fill it once, so a frame exists /// before the first tick rather than one tick later. void prepare() override { - seat_.claim(); // re-take after a disable/enable cycle: release() vacated it - platform::videoCaptureDeinit(capture_); // a source switch releases the device - if (source >= kSourceCount) source = 0; // a config restored from a capture-capable board - if (source == 2) { - // The first open doubles as a probe: a device only lists its formats once it - // enumerates, which happens inside init, so open, learn what is really on offer, and - // open again when a restored pick differs. Only the last attempt reports, or a failed - // probe would leave an error over the retry that fixed it. - bool open = platform::videoCaptureInit(capture_, usbWidth, usbHeight, usbFps); - readFormats(); - if (applyFormat()) { - platform::videoCaptureDeinit(capture_); - open = platform::videoCaptureInit(capture_, usbWidth, usbHeight, usbFps); - } - if (!open) { - fail("no capture device"); - } else { - std::snprintf(status_, sizeof(status_), "%ux%u %ufps", usbWidth, usbHeight, usbFps); - setStatus(status_, Severity::Status); - } - } else if (source == 1) { + seat_.claim(); // re-take after a disable/enable cycle: release() vacated it + closeCapture(); // a source switch or a hotplug rebuild releases the device + if (source >= kSourceCount) source = kSourcePattern; // a config restored from a capture-capable board + if (source == kSourceUsb) { + openCapture(); + } else if (source == kSourceFile) { loadFile(); - } else { - if (!allocate(kPatternW, kPatternH)) return; + } else if (allocate(kPatternW, kPatternH)) { renderPattern(); } } - /// Only the synthesised pattern regenerates per frame, since it animates; a still file keeps the + /// Only the synthesized pattern regenerates per frame, since it animates; a still file keeps the /// buffer it already holds. File I/O is blocking and belongs nowhere near this function. void tick() MM_NONBLOCKING override { // Take an EMPTY seat, so deleting the elected source while a second one runs hands over // rather than going permanently dark. claim() only fills an empty seat, never yanks one. seat_.claim(); - if (source == 0 && buf_.data()) + if (source == kSourcePattern && buf_.data()) renderPattern(); - else if (source == 1 && buf_.data()) + else if (source == kSourceFile && buf_.data()) publish(); - else if (source == 2) + else if (source == kSourceUsb) readCapture(); MoonModule::tick(); } - /// A grabber plugged in after prepare() enumerates on its own, so its format list arrives with + /// A grabber plugged in (or back in) enumerates on its own, so its format list arrives with /// nothing having asked for it. Notice here (one atomic load) and ask for a rebuild, which runs - /// prepare() on the render thread where reading the list and rebuilding the dropdown belong. + /// prepare() on the render thread: the only thread that may open or close the device, and the + /// one path by which a device that came back is picked up again. void tick1s() MM_NONBLOCKING override { - if (source == 2 && platform::videoCaptureFormatGeneration() != formatGen_) + if (source == kSourceUsb && platform::videoCaptureFormatGeneration() != formatGen_) if (Scheduler* s = Scheduler::instance()) s->requestPrepareTree(); MoonModule::tick1s(); } void release() override { - platform::videoCaptureDeinit(capture_); + closeCapture(); // drops the published frame too, whichever source it came from seat_.vacate(); - frame_ = VideoFrame{}; MoonModule::release(); } @@ -165,6 +157,37 @@ class VideoService : public MoonModule { // disable/enable, and in tick() so a survivor inherits an empty seat. ActiveInstance seat_{*this}; + // --- USB capture source ------------------------------------------------------------------- + /// Open the device at the selected format. The first open doubles as a probe: a device only + /// lists its formats once it enumerates, which happens inside init, so open, learn what is + /// really on offer, and open again when a restored pick differs. Only the last attempt reports, + /// or a failed probe would leave an error over the retry that fixed it. + void openCapture() { + bool open = platform::videoCaptureInit(capture_, usbWidth, usbHeight, usbFps); + readFormats(); + if (applyFormat()) { + closeCapture(); + open = platform::videoCaptureInit(capture_, usbWidth, usbHeight, usbFps); + } + if (!open) { + fail("no capture device"); + return; + } + // What was ASKED for, until a frame arrives: the device negotiates, and readCapture() + // replaces this with the dimensions actually being decoded. + std::snprintf(status_, sizeof(status_), "asked %ux%u", usbWidth, usbHeight); + setStatus(status_, Severity::Status); + shownW_ = shownH_ = 0; + } + + /// Release the device. The published frame borrows one of ITS buffers (platform.h, + /// videoCaptureFrame), so it is dropped first: this is the one place that order is decided, + /// and every teardown path goes through here. + void closeCapture() { + frame_ = VideoFrame{}; + platform::videoCaptureDeinit(capture_); + } + /// Resolve the selected row into the request fields. True when that changed something: the /// index survives a reboot but the list behind it does not, so this is how a restored pick /// reaches the device. @@ -181,8 +204,9 @@ class VideoService : public MoonModule { /// Cold path: cache what the device advertises as dropdown labels. Kept out of /// defineControls(), which must stay pure. it only reads what this leaves behind. void readFormats() { - formatGen_ = platform::videoCaptureFormatGeneration(); - const uint8_t was = formatCount_; + const uint32_t gen = platform::videoCaptureFormatGeneration(); + const bool changed = gen != formatGen_; + formatGen_ = gen; formatCount_ = static_cast(platform::videoCaptureFormats(formats_, kMaxFormats)); for (uint8_t i = 0; i < formatCount_; i++) { std::snprintf(formatLabels_[i], sizeof(formatLabels_[i]), "%ux%u %ufps", formats_[i].width, @@ -190,12 +214,16 @@ class VideoService : public MoonModule { formatOptions_[i] = formatLabels_[i]; } if (usbFormat >= formatCount_) usbFormat = 0; - if (formatCount_ != was) rebuildControls(); // the dropdown appeared, or its length changed + // On the GENERATION, not the count: a replacement device advertising the same number of + // different formats overwrites the labels in place, and a client with no schema resync + // would go on offering the old ones. + if (changed) rebuildControls(); } /// Publish the newest decoded frame. Unlike the other sources this does not fill buf_: the /// JPEG decoder owns its output buffer (it writes it by DMA, with its own alignment), so the - /// frame borrows that instead. + /// frame borrows that instead. The borrow is safe for as long as the device stays open, which + /// closeCapture() is the only thing to end, and it drops the frame first. void readCapture() MM_NONBLOCKING { uint16_t w = 0, h = 0; const uint8_t* rgb = platform::videoCaptureFrame(capture_, w, h); @@ -205,12 +233,20 @@ class VideoService : public MoonModule { frame_.width = w; frame_.height = h; publish(); + // What the device actually negotiated, once per change (so, in practice, once): + // compared against what was last SHOWN rather than the frame, which a stale drop resets. + if (w != shownW_ || h != shownH_) { + shownW_ = w; + shownH_ = h; + std::snprintf(status_, sizeof(status_), "%ux%u", w, h); + setStatus(status_, Severity::Status); + } return; } // A gap of one tick is normal: the decoder runs at its own rate. A long one means the // source stopped (a console asleep, a cable out), and holding the last picture would leave // the room lit by a frozen frame. Dropping it makes every effect fall back to black. - if (staleMs && frame_.rgb && platform::millis() - lastFrameMs_ > staleMs) frame_ = VideoFrame{}; + if (frame_.rgb && platform::millis() - lastFrameMs_ > staleMs) frame_ = VideoFrame{}; } platform::VideoCaptureHandle capture_; @@ -223,13 +259,15 @@ class VideoService : public MoonModule { uint8_t usbFps = 60; uint32_t lastFrameMs_ = 0; + uint16_t shownW_ = 0, shownH_ = 0; // the dimensions the status last reported + static constexpr int kMaxHeaderBytes = 256; // room for a comment, and its own error if not static constexpr uint8_t kMaxFormats = 24; platform::VideoCaptureFormat formats_[kMaxFormats] = {}; char formatLabels_[kMaxFormats][24] = {}; const char* formatOptions_[kMaxFormats] = {}; uint8_t formatCount_ = 0; - uint32_t formatGen_ = 0; // the platform generation formats_ was read at + uint32_t formatGen_ = 0; // the platform generation formats_ was read at ScratchBuffer buf_{*this}; // width*height*3, accounted in dynamicBytes() VideoFrame frame_; uint32_t seq_ = 0; @@ -262,7 +300,7 @@ class VideoService : public MoonModule { /// changed, so every producer path ends here (see VideoFrame::seq). void publish() { frame_.seq = ++seq_; } - // Four coloured border bands and a sweeping white block. Integer-only and allocation-free: it + // Four colored border bands and a sweeping white block. Integer-only and allocation-free: it // runs on the render tick. void renderPattern() { uint8_t* p = buf_.data(); @@ -273,7 +311,7 @@ class VideoService : public MoonModule { for (int x = 0; x < kPatternW; x++) { // A white block riding the top edge: shows liveness, and which way "forward" runs. const bool onSweep = y < kBand && x >= sweepX && x < sweepX + 4; - const RGB c = onSweep ? RGB{255, 255, 255} : bandColour(x, y); + const RGB c = onSweep ? RGB{255, 255, 255} : bandColor(x, y); uint8_t* px = p + (static_cast(y) * kPatternW + x) * 3; px[0] = c.r; px[1] = c.g; @@ -283,8 +321,8 @@ class VideoService : public MoonModule { publish(); } - /// Colour of the pattern at (x, y): one hue per edge, black interior. - static RGB bandColour(int x, int y) { + /// Color of the pattern at (x, y): one hue per edge, black interior. + static RGB bandColor(int x, int y) { if (y < kBand) return {255, 0, 0}; // top → red if (y >= kPatternH - kBand) return {0, 0, 255}; // bottom → blue if (x < kBand) return {255, 255, 0}; // left → yellow @@ -299,11 +337,18 @@ class VideoService : public MoonModule { const long size = platform::fsSize(file); if (size <= 0) return fail("file not found"); - char header[64] = {}; + // Netpbm allows comments and any run of whitespace between tokens, so a valid header is + // not a fixed length. A ceiling is still needed since the file is user-supplied, but it has + // to be generous enough for the comment GIMP writes and to fail with its own message rather + // than looking like a format error. + char header[kMaxHeaderBytes] = {}; const int headerLen = platform::fsReadAt(file, 0, header, sizeof(header) - 1); uint16_t w = 0, h = 0; const int pixOff = parsePpmHeader(header, headerLen, w, h); - if (pixOff < 0) return fail("not a binary PPM (P6, maxval 255)"); + if (pixOff < 0) + return fail(headerLen >= static_cast(sizeof(header)) - 1 + ? "PPM header too long" + : "not a binary PPM (P6, maxval 255)"); if (!allocate(w, h)) return false; // allocate() already reported why const uint32_t need = static_cast(w) * h * 3u; @@ -333,7 +378,7 @@ class VideoService : public MoonModule { const long maxval = cur.readInt(); if (ww <= 0 || ww > static_cast(kMaxDim)) return -1; if (hh <= 0 || hh > static_cast(kMaxDim)) return -1; - if (maxval != 255) return -1; // 16-bit samples are two big-endian bytes: another format + if (maxval != 255) return -1; // 16-bit samples are two big-endian bytes: another format // Netpbm requires ONE whitespace byte here. Accepting whatever is present would eat a // pixel: "P6\n2 2\n255X" would read as valid with the X swallowed. if (cur.pos >= len || !HeaderCursor::isBlank(buf[cur.pos])) return -1; diff --git a/src/light/drivers/Correction.h b/src/light/drivers/Correction.h index 5bb4809a..edf620da 100644 --- a/src/light/drivers/Correction.h +++ b/src/light/drivers/Correction.h @@ -124,7 +124,7 @@ struct Correction { // not available: there is no headroom above 255, so raising clips instead of balancing. uint8_t balRed = 255, balGreen = 255, balBlue = 255; - // Per CHANNEL, not per light: a white die draws about twice a colour one, so one per-light + // Per CHANNEL, not per light: a white die draws about twice a color one, so one per-light // figure under-reports white-heavy frames: the direction that browns out a supply. Measured // on a 5 m SK6812 RGBW strip. uint16_t budgetMa = 0; // 0 disables the limiter @@ -150,7 +150,7 @@ struct Correction { // same fill, so there is one rebuild, not three. void rebuildBrightness(uint8_t brightness) { // Gamma FIRST, then the linear scales: scaling before the curve would re-shape it at every - // brightness, so a colour would shift as the slider moved. + // brightness, so a color would shift as the slider moved. uint8_t curve[256]; const float exponent = gamma10 / 10.0f; for (int v = 0; v < 256; v++) @@ -211,7 +211,7 @@ struct Correction { if (budgetMa == 0) return; // Which emitters this light carries cannot change mid-frame, so decide it once rather than - // per light. Both white roles come from the same synthesised value, so their draw adds. + // per light. Both white roles come from the same synthesized value, so their draw adds. uint32_t whiteMa = 0; if (offWhite != kAbsent) whiteMa += mAWhite; if (offWarmWhite != kAbsent) whiteMa += mAWhite; @@ -251,7 +251,7 @@ struct Correction { // rail, so charging mAColor for them would be fiction. The dimmer is priced because IRGB // puts one on a 4-channel light, which is a plausible pick for an addressable strip. const uint64_t fixedMa = (offDimmer != kAbsent) ? static_cast(n) * mAColor : 0; - if (fixedMa >= budgetMa) { // the fixed draw alone is over: nothing left to give the colours + if (fixedMa >= budgetMa) { // the fixed draw alone is over: nothing left to give the colors limit = 0; return; } diff --git a/src/light/drivers/DriverBase.h b/src/light/drivers/DriverBase.h index b8abebd3..4e20f4d4 100644 --- a/src/light/drivers/DriverBase.h +++ b/src/light/drivers/DriverBase.h @@ -319,7 +319,7 @@ class DriverBase : public MoonModule { controls_.addControl("balanceRed", balRed_, 0, 255); controls_.addControl("balanceGreen", balGreen_, 0, 255); controls_.addControl("balanceBlue", balBlue_, 0, 255); - // Per CHANNEL at full, because a white die draws about twice a colour one. + // Per CHANNEL at full, because a white die draws about twice a color one. const bool limits = limitsCurrent(); controls_.addControl("maxCurrentMa", budgetMa_, 0, 60000); controls_.setHidden(controls_.count() - 1, !limits); @@ -328,8 +328,11 @@ class DriverBase : public MoonModule { controls_.addControl("mAPerWhiteChannel", mAWhite_, 1, 60); controls_.setHidden(controls_.count() - 1, !limits); // Only where the fixture carries them: four milliamp fields on an RGB strip would be noise. - const bool wide = correction_.offYellow != Correction::kAbsent || - correction_.offUV != Correction::kAbsent; + // Asked of the SELECTED preset rather than of correction_, which onControlChanged rebuilds + // after the controls: reading it here would show the previous fixture's answer for a frame. + // Same source whiteMode uses above. + const bool wide = lib && (lib->presetHasRole(presetId_, ChannelRole::Yellow) || + lib->presetHasRole(presetId_, ChannelRole::UV)); controls_.addControl("mAPerYellowChannel", mAYellow_, 1, 60); controls_.setHidden(controls_.count() - 1, !(limits && wide)); controls_.addControl("mAPerUvChannel", mAUV_, 1, 60); diff --git a/src/light/drivers/LightPresetsModule.h b/src/light/drivers/LightPresetsModule.h index 8e7674bc..7522c7b7 100644 --- a/src/light/drivers/LightPresetsModule.h +++ b/src/light/drivers/LightPresetsModule.h @@ -89,6 +89,17 @@ class LightPresetsModule : public MoonModule, public ListSource { // White, WarmWhite, Yellow, or UV. Drives the whiteMode control's visibility: the control // governs all four, so it shows whenever any is present (not just White). A motion/fixture // role (Pan/Tilt/…) is not synthesised, so it doesn't count. + /// Does this preset carry `role` at all? The narrower question presetHasSynthChannel answers + /// as a group, for a caller that needs one emitter rather than any of them. + bool presetHasRole(uint32_t id, ChannelRole role) const { + const Preset* p = find(id); + if (!p) return false; + const uint8_t* r = roleAt(*p); + for (uint8_t c = 0; c < p->channelCount; c++) + if (static_cast(r[c]) == role) return true; + return false; + } + bool presetHasSynthChannel(uint32_t id) const { const Preset* p = find(id); if (!p) return false; diff --git a/src/light/effects/AmbilightEffect.h b/src/light/effects/AmbilightEffect.h index 57fd17e8..26ffad2a 100644 --- a/src/light/effects/AmbilightEffect.h +++ b/src/light/effects/AmbilightEffect.h @@ -9,7 +9,7 @@ namespace mm { // Screen-follow ambient light: paints the layer with the live video frame, so lights around a -// display glow the colour of the picture nearest them (the Ambilight / Hyperion behaviour). +// display glow the color of the picture nearest them (the Ambilight / Hyperion behavior). // // TWO SPACES, and every name below says which one it is in: // @@ -46,7 +46,7 @@ class AmbilightEffect : public EffectBase { // A cut is a real jump, and smoothing through it reads as the lights lagging the picture. controls_.addControl("snapAbove", snapAbove, 0, 255); controls_.setHidden(controls_.count() - 1, smoothing == 0); - // Its own control because smoothing lags the COLOUR and this ramps the LEVEL. + // Its own control because smoothing lags the COLOR and this ramps the LEVEL. controls_.addControl("fadeInMs", fadeInMs, 0, 10000); controls_.addControl("edgeDepth", edgeDepth, 0, 50); // Hyperion samples ~8% // - a letterboxed film puts bars where the top and bottom lights look, so they go dark diff --git a/src/platform/esp32/platform_config.h b/src/platform/esp32/platform_config.h index 1a9ffb6f..320432f2 100644 --- a/src/platform/esp32/platform_config.h +++ b/src/platform/esp32/platform_config.h @@ -200,9 +200,13 @@ constexpr bool hasI2sMic = true; constexpr bool hasI2sMic = false; #endif -// USB video needs BOTH, and only the ESP32-P4 has both: a High-Speed USB PHY (the S3 has USB, but -// only the slow kind: too slow to carry video) and a hardware JPEG decoder. -#if defined(CONFIG_SOC_USB_UTMI_PHY_NUM) && defined(CONFIG_SOC_JPEG_DECODE_SUPPORTED) +// USB video needs a High-Speed USB PHY (the S3 has USB, but only the slow kind: too slow to carry +// video) and a hardware JPEG decoder. The target test is not redundant with the capability tests: +// platform_esp32_usbvideo.cpp compiles its implementation for the P4 alone and the UVC component is +// pulled in for the P4 alone, so a future chip meeting the capabilities would otherwise be offered +// a source backed by the always-failing stub. Widen all three together or none. +#if defined(CONFIG_IDF_TARGET_ESP32P4) && defined(CONFIG_SOC_USB_UTMI_PHY_NUM) && \ + defined(CONFIG_SOC_JPEG_DECODE_SUPPORTED) constexpr bool hasUsbVideo = true; #else constexpr bool hasUsbVideo = false; diff --git a/src/platform/esp32/platform_esp32_usbvideo.cpp b/src/platform/esp32/platform_esp32_usbvideo.cpp index 9ffbc08e..e2596717 100644 --- a/src/platform/esp32/platform_esp32_usbvideo.cpp +++ b/src/platform/esp32/platform_esp32_usbvideo.cpp @@ -12,6 +12,11 @@ // MM_NONBLOCKING, so videoCaptureFrame only reads an index, and the frame it names was decoded // earlier by decoderTask. A frame arriving while one is still pending is dropped: the newest is // the only one worth having. +// +// Ownership is the whole design: the buffers are allocated in videoCaptureInit and freed in +// videoCaptureDeinit, both on the caller's thread, and nothing in between touches the set, so no +// task can reallocate while another reads. A device that goes away is not chased from here: its +// return re-enumerates, bumping the format generation, and the caller re-inits on that. #include "platform/platform.h" @@ -41,13 +46,6 @@ static_assert(kSlots >= 3, "freeSlot() needs a spare beyond the published and th struct Capture { uvc_host_stream_hdl_t stream = nullptr; jpeg_decoder_handle_t jpeg = nullptr; - bool uvcInstalled = false; - - // What to ask for again after a disconnect, and the flag that asks. - uint16_t reqWidth = 0; - uint16_t reqHeight = 0; - uint8_t reqFps = 0; - std::atomic lost{false}; // The frame the UVC callback handed over, or null. Exchanged rather than assigned so the // callback never blocks and never overwrites one the decoder is already reading. @@ -59,7 +57,8 @@ struct Capture { std::atomic running{false}; // Decoded RGB888, from jpeg_alloc_decoder_mem for its cache-line and 2D-DMA alignment: a - // plain malloc shows up as intermittent corruption, not an error. + // plain malloc shows up as intermittent corruption, not an error. Written once, in init, + // before the decoder task exists; read-only from then on. uint8_t* rgb[kSlots] = {}; size_t rgbCap = 0; uint16_t width[kSlots] = {}; @@ -85,14 +84,20 @@ uvc_host_frame_info_t frameList[kMaxFormats]; // file scope: too big for the dri // and a second overwrites bank 0 while that reader is still copying. The generation is odd during // a write, and a reader that sees it move across the copy retries. Cold path both sides, and the // writer (the UVC driver task) never waits. +// The payload is atomic, not plain bytes. A seqlock detects an overlapping write, but two threads +// touching a non-atomic object concurrently is a data race whatever the reader then does with what +// it read: relaxed atomics make the program race-free and compile to the same loads and stores. struct FormatBank { - VideoCaptureFormat rows[kMaxFormats]; - size_t count = 0; + std::atomic width[kMaxFormats]; + std::atomic height[kMaxFormats]; + std::atomic fps[kMaxFormats]; + std::atomic count{0}; }; FormatBank formatBank; std::atomic formatGen{0}; // 0 = nothing published yet; odd = a write in progress bool hostReady = false; +bool uvcReady = false; // usb_host_lib_handle_events() is where enumeration and the port state machine actually run, and // it blocks. Nothing else may drive it, so this task owns it for the life of the application. @@ -152,11 +157,13 @@ uint8_t fpsFrom(uint32_t interval) { // reachable from the UI. void addAdvertised(const uvc_host_frame_info_t& info, uint32_t interval, size_t& n) { if (n >= kMaxFormats || interval == 0) return; - VideoCaptureFormat& f = formatBank.rows[n++]; - f.width = static_cast(info.h_res); - f.height = static_cast(info.v_res); - f.fps = fpsFrom(interval); - ESP_LOGI(kTag, "offers MJPEG %ux%u @ %u fps", f.width, f.height, f.fps); + const uint16_t w = static_cast(info.h_res), h = static_cast(info.v_res); + const uint8_t fps = fpsFrom(interval); + formatBank.width[n].store(w, std::memory_order_relaxed); + formatBank.height[n].store(h, std::memory_order_relaxed); + formatBank.fps[n].store(fps, std::memory_order_relaxed); + n++; + ESP_LOGI(kTag, "offers MJPEG %ux%u @ %u fps", w, h, fps); } // Runs on the UVC driver task when a device enumerates: before any stream is opened, which is what @@ -191,34 +198,29 @@ void onDriverEvent(const uvc_host_driver_event_data_t* event, void*) { : CONFIG_UVC_INTERVAL_ARRAY_SIZE; for (uint8_t j = 0; j < rates; j++) addAdvertised(info, info.interval[j], n); } - formatBank.count = n; + formatBank.count.store(n, std::memory_order_relaxed); formatGen.fetch_add(1, std::memory_order_release); // even again: the list is settled } -void onEvent(const uvc_host_stream_event_data_t* event, void* ctx) { - auto* cap = static_cast(ctx); - if (event->type == UVC_HOST_DEVICE_DISCONNECTED) { - cap->slots.store(0); // nothing published, nothing claimed - cap->lost.store(true); // decoderTask reopens; stream_open blocks, so not from here - ESP_LOGW(kTag, "capture device disconnected"); - } +// Runs on the UVC driver task. The stream is paused by the driver before this fires, so no frame +// follows it; the renderer sees that as a gap and its stale timeout takes it from there. Nothing to +// unwind here: the device's return re-enumerates, and the caller re-inits on that (file header). +void onEvent(const uvc_host_stream_event_data_t* event, void*) { + if (event->type == UVC_HOST_DEVICE_DISCONNECTED) ESP_LOGW(kTag, "capture device disconnected"); } -// Allocated once from the negotiated format, so no reallocation ever races the render thread. -// Grow-only, so a replug at the same or a smaller format keeps the buffers it has and a bigger -// one gets new ones. Not doing this is silent: decode() would drop every oversized frame. +// One set of slots per open, sized from the format the device agreed to. Called from init only, +// before the decoder task exists, so nothing can be reading a slot while it is (re)written. bool allocSlots(Capture& cap, uint16_t w, uint16_t h) { const size_t need = static_cast(w) * h * 3; - if (cap.rgb[0] && cap.rgbCap >= need) return true; jpeg_decode_memory_alloc_cfg_t memCfg = {}; memCfg.buffer_direction = JPEG_DEC_ALLOC_OUTPUT_BUFFER; for (int i = 0; i < kSlots; i++) { - free(cap.rgb[i]); // free(nullptr) is a no-op, so the first allocation needs no guard size_t got = 0; cap.rgb[i] = static_cast(jpeg_alloc_decoder_mem(need, &memCfg, &got)); if (!cap.rgb[i]) { - cap.rgbCap = 0; // a partial set is no set: decode() must not write into a freed slot - return false; + cap.rgbCap = 0; // a partial set is no set: decode() must not write into a missing slot + return false; // deinit frees what was allocated } cap.rgbCap = got; // every slot gets the same request, so the same rounded-up size } @@ -267,39 +269,12 @@ void decode(Capture& cap, uvc_host_frame_t* frame) { } } -bool openStream(Capture& cap, uint16_t width, uint16_t height, uint8_t fps); // defined below -bool sizeBuffers(Capture& cap); // """ - -// Replug recovery. uvc_host_stream_open blocks for up to its timeout, so this runs on the decode -// task rather than in the event callback or the render tick. A failed attempt costs that timeout, -// which is its own retry pacing. -void reopen(Capture& cap) { - if (cap.stream) { - uvc_host_stream_close(cap.stream); - cap.stream = nullptr; - } - if (!openStream(cap, cap.reqWidth, cap.reqHeight, cap.reqFps)) return; - // Every reopen, not only the first: width and height are requests, so a replacement device - // can negotiate something larger, and buffers sized for the old one would make decode() drop - // every frame while the stream looked healthy. - if (!sizeBuffers(cap)) return; - if (uvc_host_stream_start(cap.stream) != ESP_OK) { - ESP_LOGW(kTag, "reopened the device but could not start the stream"); - return; // `lost` stays set, so the next timeout tries again - } - cap.lost.store(false); - ESP_LOGI(kTag, "capture device back"); -} - // The blocking half, kept off the render tick. Waits on a finite timeout rather than forever so -// `running` and `lost` are seen without the callback having to signal. +// `running` is seen without the callback having to signal. void decoderTask(void* arg) { auto* cap = static_cast(arg); while (cap->running.load()) { - if (xSemaphoreTake(cap->wake, pdMS_TO_TICKS(100)) != pdTRUE) { - if (cap->lost.load()) reopen(*cap); - continue; - } + if (xSemaphoreTake(cap->wake, pdMS_TO_TICKS(100)) != pdTRUE) continue; if (uvc_host_frame_t* frame = cap->pending.exchange(nullptr)) { decode(*cap, frame); uvc_host_frame_return(cap->stream, frame); @@ -321,18 +296,22 @@ bool startDecoder(Capture& cap) { return false; } -bool installUvc(Capture& cap) { +// Installed once, like the host library above it: the format list belongs to the bus, not to one +// open. Reinstalling per open would re-enumerate the attached device and bump the format +// generation, which is the very signal the caller re-inits on. +bool ensureUvcHost() { + if (uvcReady) return true; uvc_host_driver_config_t driverCfg = {}; driverCfg.driver_task_stack_size = 4 * 1024; driverCfg.driver_task_priority = 5; driverCfg.xCoreID = tskNO_AFFINITY; driverCfg.create_background_task = true; - driverCfg.event_cb = onDriverEvent; // fills `advertised` as soon as a device enumerates + driverCfg.event_cb = onDriverEvent; // fills the format bank as soon as a device enumerates if (uvc_host_install(&driverCfg) != ESP_OK) { ESP_LOGE(kTag, "uvc_host_install failed"); return false; } - cap.uvcInstalled = true; + uvcReady = true; return true; } @@ -353,9 +332,6 @@ bool createSignals(Capture& cap) { } bool openStream(Capture& cap, uint16_t width, uint16_t height, uint8_t fps) { - cap.reqWidth = width; - cap.reqHeight = height; - cap.reqFps = fps; uvc_host_stream_config_t streamCfg = {}; streamCfg.event_cb = onEvent; streamCfg.frame_cb = onFrame; @@ -400,34 +376,18 @@ bool sizeBuffers(Capture& cap) { bool videoCaptureInit(VideoCaptureHandle& handle, uint16_t width, uint16_t height, uint8_t fps) { if (handle.impl) return true; - if (!ensureUsbHost()) return false; + if (!ensureUsbHost() || !ensureUvcHost()) return false; auto* cap = new Capture(); handle.impl = cap; // every failure below unwinds through videoCaptureDeinit - if (!installUvc(*cap) || !createJpeg(*cap) || !createSignals(*cap)) { - videoCaptureDeinit(handle); - return false; - } - cap->reqWidth = width; - cap->reqHeight = height; - cap->reqFps = fps; - - // No device yet is not a failure to unwind: the decode task's retry already handles a grabber - // that comes back, so starting it here makes plugging one in after boot behave like a replug. - // The caller still gets false and reports no device. - if (!startDecoder(*cap)) { - videoCaptureDeinit(handle); - return false; - } - if (!openStream(*cap, width, height, fps) || !sizeBuffers(*cap)) { - cap->lost.store(true); // the decode task retries on its next timeout - return false; - } - if (uvc_host_stream_start(cap->stream) != ESP_OK) { - cap->lost.store(true); - return false; - } - return true; + // In this order on purpose: the decoder task is started LAST, once every buffer it can reach + // exists, and the stream after it, so the first frame finds a task to wake. A device that is + // not there yet is a plain failure: its arrival bumps the format generation, and the caller + // comes back through here on that. + const bool ok = createJpeg(*cap) && createSignals(*cap) && openStream(*cap, width, height, fps) && + sizeBuffers(*cap) && startDecoder(*cap) && uvc_host_stream_start(cap->stream) == ESP_OK; + if (!ok) videoCaptureDeinit(handle); + return ok; } // Hot path: an index load and two field reads. Everything expensive already happened on @@ -458,9 +418,14 @@ size_t videoCaptureFormats(VideoCaptureFormat* out, size_t max) { const uint32_t before = formatGen.load(std::memory_order_acquire); if (before == 0) return 0; // nothing published yet if (before & 1u) continue; // a write is in progress; let it finish - size_t n = formatBank.count; + size_t n = formatBank.count.load(std::memory_order_relaxed); + if (n > kMaxFormats) n = kMaxFormats; // a torn read of a rewrite in flight if (n > max) n = max; - for (size_t i = 0; i < n; i++) out[i] = formatBank.rows[i]; + for (size_t i = 0; i < n; i++) { + out[i].width = formatBank.width[i].load(std::memory_order_relaxed); + out[i].height = formatBank.height[i].load(std::memory_order_relaxed); + out[i].fps = formatBank.fps[i].load(std::memory_order_relaxed); + } std::atomic_thread_fence(std::memory_order_acquire); if (formatGen.load(std::memory_order_relaxed) == before) return n; // no write overlapped } @@ -469,23 +434,21 @@ size_t videoCaptureFormats(VideoCaptureFormat* out, size_t max) { void videoCaptureDeinit(VideoCaptureHandle& handle) { auto* cap = static_cast(handle.impl); if (!cap) return; - if (cap->stream) uvc_host_stream_stop(cap->stream); // no new frames while we tear down - if (cap->decoder) { // stop the decoder before the things it reaches into - // Clear `lost` first so no new reopen() starts, then wait without a deadline: the task - // may be inside uvc_host_stream_open's own 3 s, and a shorter wait frees the semaphores - // and the JPEG engine underneath it. - cap->lost.store(false); + // Stop the stream first so no frame lands mid-teardown, then the task that would decode it. + // The join is unbounded on purpose: a decode in flight must finish before anything it reaches + // into is freed, and its own 40 ms decode timeout is what bounds how long that takes. + if (cap->stream) uvc_host_stream_stop(cap->stream); + if (cap->decoder) { cap->running = false; - xSemaphoreGive(cap->wake); // it may be parked on this + xSemaphoreGive(cap->wake); // it may be parked on this xSemaphoreTake(cap->stopped, portMAX_DELAY); } if (uvc_host_frame_t* frame = cap->pending.exchange(nullptr)) uvc_host_frame_return(cap->stream, frame); if (cap->stream) uvc_host_stream_close(cap->stream); if (cap->jpeg) jpeg_del_decoder_engine(cap->jpeg); - if (cap->uvcInstalled) uvc_host_uninstall(); if (cap->wake) vSemaphoreDelete(cap->wake); if (cap->stopped) vSemaphoreDelete(cap->stopped); - for (uint8_t* buf : cap->rgb) free(buf); + for (uint8_t* buf : cap->rgb) free(buf); // free(nullptr) is a no-op, so a partial set is fine delete cap; handle.impl = nullptr; } diff --git a/src/platform/platform.h b/src/platform/platform.h index 4ce2442f..e9f5c2b7 100644 --- a/src/platform/platform.h +++ b/src/platform/platform.h @@ -1509,19 +1509,25 @@ uint32_t videoCaptureFormatGeneration(); // height and fps are requests rather than promises: the device negotiates what it // can, and videoCaptureFrame reports what actually arrived. False when nothing is // attached, the target has no USB host, or no MJPEG format matches. +// +// One open is one device at one negotiated format. A device that goes away is not followed: a +// (re)connect bumps videoCaptureFormatGeneration(), and the caller answers it with a +// deinit/init pair on its own thread. That rule is what keeps the buffers below stable. bool videoCaptureInit(VideoCaptureHandle& h, uint16_t width, uint16_t height, uint8_t fps); // Newest decoded frame as RGB888, or nullptr when none arrived since the last call. -// The buffer belongs to the platform (the JPEG decoder writes it by DMA and needs its -// own alignment) and stays valid until the next call: the caller borrows it for one -// tick, exactly as VideoFrame does. +// +// The buffer belongs to the platform (the JPEG decoder writes it by DMA, with its own alignment). +// It is allocated in videoCaptureInit and freed in videoCaptureDeinit, never in between, and the +// decoder never writes into the one most recently returned. So both the pointer and its pixels +// hold until the next call that RETURNS A FRAME: a caller may keep showing it across ticks that +// return nullptr, which is what lets a dropped frame leave the picture up. It MUST drop it before +// calling videoCaptureDeinit(). const uint8_t* videoCaptureFrame(VideoCaptureHandle& h, uint16_t& width, uint16_t& height) MM_NONBLOCKING; void videoCaptureDeinit(VideoCaptureHandle& h); // --------------------------------------------------------------------------- -// I2C bus diagnostics: domain-neutral, not audio-specific. Probes a bus and - // I2C bus diagnostics: domain-neutral, not audio-specific. Probes a bus and // reports which 7-bit addresses ACK, the standard `i2cdetect` operation. Used // by the I2cScanModule diagnostic (src/core/I2cScanModule.h) to help bring up diff --git a/test/unit/core/unit_VideoService.cpp b/test/unit/core/unit_VideoService.cpp index 1c15980f..9303a3ef 100644 --- a/test/unit/core/unit_VideoService.cpp +++ b/test/unit/core/unit_VideoService.cpp @@ -106,12 +106,12 @@ TEST_CASE("VideoService: latestFrame is readable with no service present and rep // robustness AudioService's mic seat has; without the tick() re-claim only a reboot recovers. TEST_CASE("VideoService: a survivor takes over the seat when the elected source is destroyed") { auto* elected = new VideoService(); // constructed first, so it claims the seat - elected->source = 0; // test pattern: needs no file + elected->source = VideoService::kSourcePattern; // needs no file elected->applyState(); REQUIRE(VideoService::latestFrame()->rgb != nullptr); VideoService survivor; // seat already held, so its claim is a no-op - survivor.source = 0; + survivor.source = VideoService::kSourcePattern; survivor.applyState(); delete elected; // ~ActiveInstance vacates: the seat is now empty @@ -130,9 +130,9 @@ TEST_CASE("VideoService: a platform that cannot capture does not offer the usb s CHECK(VideoService::kSourceCount == 2); VideoService v; - v.source = 2; + v.source = VideoService::kSourceUsb; v.applyState(); - CHECK(v.source == 0); // fell back to the test pattern + CHECK(v.source == VideoService::kSourcePattern); // fell back CHECK(VideoService::latestFrame()->rgb != nullptr); } diff --git a/test/unit/light/unit_AmbilightEffect.cpp b/test/unit/light/unit_AmbilightEffect.cpp index 0a7a5c7f..4a28586f 100644 --- a/test/unit/light/unit_AmbilightEffect.cpp +++ b/test/unit/light/unit_AmbilightEffect.cpp @@ -56,7 +56,7 @@ struct Rig { // Anything testing the SMOOTHING has to tick without it. void tickOnly() { layer.tick(); } /// A tick with a NEW frame behind it: the effect skips a repeated one, so anything measuring - /// per-frame behaviour has to advance the source too, as the scheduler does. + /// per-frame behavior has to advance the source too, as the scheduler does. void tickOnly(VideoService& source) { source.tick(); layer.tick(); @@ -104,7 +104,7 @@ TEST_CASE("AmbilightEffect: every light is written, none left dark by an empty z rig.fx.saturation = 100; rig.render(); - // WRITTEN, not lit: the pattern's centre is black, so counting lit cells cannot tell "every + // WRITTEN, not lit: the pattern's center is black, so counting lit cells cannot tell "every // position was painted" from "one was". Fill with a value the effect cannot produce instead. constexpr uint8_t kSentinel = 0x5A; std::memset(rig.layer.buffer().data(), kSentinel, static_cast(16) * 9 * 3); @@ -116,14 +116,14 @@ TEST_CASE("AmbilightEffect: every light is written, none left dark by an empty z const bool untouched = p[0] == kSentinel && p[1] == kSentinel && p[2] == kSentinel; CHECK_FALSE(untouched); } - // The corners sit inside the coloured bands and must never be dark. + // The corners sit inside the colored bands and must never be dark. for (const auto& [x, y] : {std::pair{0, 0}, std::pair{15, 0}, std::pair{0, 8}, std::pair{15, 8}}) { const uint8_t* p = rig.px(x, y); CHECK((p[0] || p[1] || p[2])); } } -// More lights than source pixels: neighbouring positions must SHARE one rather than resolve to +// More lights than source pixels: neighboring positions must SHARE one rather than resolve to // an empty zone. The pattern is 64 wide, so a 128-wide layer forces the guard. TEST_CASE("AmbilightEffect: a layer finer than the frame still writes every light") { PatternSource src; @@ -141,7 +141,7 @@ TEST_CASE("AmbilightEffect: a layer finer than the frame still writes every ligh // brightness scales the result down uniformly. Distinct from the driver's brightness: this one dims // the video relative to whatever else is composited beside it. -TEST_CASE("AmbilightEffect: brightness scales the sampled colour down") { +TEST_CASE("AmbilightEffect: brightness scales the sampled color down") { PatternSource src; Rig full(8, 8); full.fx.saturation = 100; @@ -160,9 +160,9 @@ TEST_CASE("AmbilightEffect: brightness scales the sampled colour down") { CHECK(dimRed == (fullRed * 64) / 255); } -// Saturation stretches each channel away from the zone's luma: above 100 a coloured zone gets +// Saturation stretches each channel away from the zone's luma: above 100 a colored zone gets // more saturated, which is what pulls averaged means back off grey. -TEST_CASE("AmbilightEffect: saturation above 100 pushes a coloured zone further from grey") { +TEST_CASE("AmbilightEffect: saturation above 100 pushes a colored zone further from grey") { PatternSource src; Rig flat(8, 8); flat.fx.saturation = 100; @@ -188,7 +188,7 @@ TEST_CASE("AmbilightEffect: no video source paints black, never the previous eff Rig rig(4, 4); rig.layer.applyState(); - // Paint a recognisable frame, standing in for whatever effect ran before this one. + // Paint a recognizable frame, standing in for whatever effect ran before this one. uint8_t* buf = rig.layer.buffer().data(); REQUIRE(buf != nullptr); for (size_t i = 0; i < rig.layer.buffer().count(); i++) { @@ -326,7 +326,7 @@ TEST_CASE("AmbilightEffect: edgeDepth makes the outer row sample deeper") { TEST_CASE("AmbilightEffect: edgeDepth below the natural share makes the outer row thinner") { PatternSource src; // Three rows over a 36-tall pattern is a 12-row share, which reaches past the 9-row red band - // into the black centre. A shallower zone stays inside the band, so it reads BRIGHTER. + // into the black center. A shallower zone stays inside the band, so it reads BRIGHTER. Rig plain(8, 3), thin(8, 3); plain.fx.saturation = 100; thin.fx.saturation = 100; @@ -419,7 +419,7 @@ TEST_CASE("AmbilightEffect: the top light escapes the letterbox once bars are de CHECK(rig.px(4, 0)[1] > 100); // now reading the green picture } -// The pattern's centre is black and its edges are coloured: the OPPOSITE of a letterbox. Nothing +// The pattern's center is black and its edges are colored: the OPPOSITE of a letterbox. Nothing // must be detected in it, or a picture that fills the frame would get cropped. TEST_CASE("AmbilightEffect: a frame that fills the picture reports no bars") { PatternSource src; diff --git a/test/unit/light/unit_Correction.cpp b/test/unit/light/unit_Correction.cpp index 44f4c9bb..b379e313 100644 --- a/test/unit/light/unit_Correction.cpp +++ b/test/unit/light/unit_Correction.cpp @@ -348,7 +348,7 @@ TEST_CASE("Correction gamma: 2.2 pulls midtones down and pins both endpoints") { } // The curve is applied to the source value and the brightness scale then dims the RESULT. Doing it -// the other way round would re-shape the curve at every brightness, so a colour would shift as the +// the other way round would re-shape the curve at every brightness, so a color would shift as the // user dragged the slider. At brightness 128 with gamma 2.2 the midtone lands on gamma(128)/2 = 28; // scaling first would instead give gamma(64) = 12, which is the regression this catches. TEST_CASE("Correction gamma: the curve runs before brightness, so dimming never reshapes it") { @@ -447,7 +447,7 @@ TEST_CASE("Correction: an over-budget frame is scaled to fit") { } // Why a per-LIGHT figure cannot describe RGBW: Accurate moves the draw off R/G/B and onto W, -// which is cheaper for the same colour (16 mA a light against 40) so one budget halves a Min +// which is cheaper for the same color (16 mA a light against 40) so one budget halves a Min // frame and leaves an Accurate one alone. TEST_CASE("Correction: the estimate follows whiteMode, not a per-light constant") { uint8_t frame[100 * 3]; @@ -667,7 +667,7 @@ TEST_CASE("Correction: the current estimate counts Yellow and UV channels") { CHECK(c.limit < 256); } -// A dimmer is emitted at 255 whatever the limit says, so it cannot be scaled with the colours. It +// A dimmer is emitted at 255 whatever the limit says, so it cannot be scaled with the colors. It // comes off the budget first: pricing it as a scalable term would compute a limit on the assumption // it shrinks too, and the frame would still draw more than the cap. TEST_CASE("Correction: a master dimmer is taken off the budget, not scaled with the frame") { @@ -681,7 +681,7 @@ TEST_CASE("Correction: a master dimmer is taken off the budget, not scaled with c.measure(frame, 3, 10); CHECK(c.limit == 128); // (200-80)/240 -> half, not 200/320 - // And when the fixed draw alone is over budget there is nothing left to give the colours. + // And when the fixed draw alone is over budget there is nothing left to give the colors. c.budgetMa = 40; c.measure(frame, 3, 10); CHECK(c.limit == 0); @@ -707,7 +707,7 @@ TEST_CASE("Correction: the estimate counts the Yellow and UV emitters") { CHECK(wide.limit < plain.limit); // the same frame costs more, so it is trimmed harder // And each emitter carries its own figure: a UV die usually draws more than a visible one, so - // pricing it as a colour channel would under-report, the direction that browns out a supply. + // pricing it as a color channel would under-report, the direction that browns out a supply. Correction thirsty; thirsty.budgetMa = 100; mm::test::rebuildFromPreset(thirsty, 255, mm::test::PresetOrder::RGB); From 8e6304dae1899889592bd924f509d2cd0223dcde Mon Sep 17 00:00:00 2001 From: Shura Fedorovskyi Date: Thu, 3 Sep 2026 22:08:12 +0400 Subject: [PATCH 19/25] Keep a working capture open; fix tests that passed on bugs MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit A UVC capture now survives unrelated UI changes: adding an effect no longer tears the device down and renegotiates. The stream-open timeout was ten times longer than intended. Performance: not collected, no board attached (collect_kpi.py --commit needs one). Core - prepare() reopens only when the source, the selected format, or the device generation changed. Every tree-wide rebuild ran through it before, dropping the published frame and blocking on negotiation. - uvc_host_stream_open takes FreeRTOS ticks, not milliseconds: a raw 3000 was 30 s at the default 100 Hz tick, not 3 s. - The open targets the device the format list came from, and its first streaming function only. "Any device" could open one the list did not describe. Light domain - The sparse lit-list checks every z plane. A D2 effect's front slice is extruded across the depth, so a column whose LEDs sit only at z > 0 was skipped and got black. Tests - The fade-in test drives the test clock. It ran on the real one against a 4000 ms ramp, and both its bounds held on a fade stuck at black. - The wiring test compares every position, not the set of them. A set has no order, so six of the eight walks could run backwards and still pass. - scenario_Video_mutation: the producer/consumer pair through the Scheduler, including removing the service while the consumer renders. - The scenario runner learns Services, RectangleLayout, VideoService and AmbilightEffect, plus RectangleLayout's width/height props (ignored before, so a fixture silently measured the default). Registering Services also un-skips scenario_Audio_mutation's remove step, which had never run. Reviews - 👾 prepare() tears down a working stream: fixed. - 👾 sparse list only checks z = 0: fixed. - 👾 open discards the enumerated device address: fixed. Checks: spec drift, prose, platform boundary, hot-path, desktop build, unit tests (1698), scenarios and firmware freshness (P4 rev3 + classic ESP32) all pass. Three MoonLive scenarios fail identically on a clean tree. Co-Authored-By: Claude Opus 5 (1M context) --- src/core/VideoService.h | 31 ++- src/light/effects/AmbilightEffect.h | 17 +- .../esp32/platform_esp32_usbvideo.cpp | 23 +- test/scenario_runner.cpp | 15 ++ .../light/scenario_Video_mutation.json | 234 ++++++++++++++++++ test/unit/light/unit_AmbilightEffect.cpp | 76 ++++-- test/unit/light/unit_RectangleLayout.cpp | 33 ++- 7 files changed, 390 insertions(+), 39 deletions(-) create mode 100644 test/scenarios/light/scenario_Video_mutation.json diff --git a/src/core/VideoService.h b/src/core/VideoService.h index bd214b14..12f8bfe5 100644 --- a/src/core/VideoService.h +++ b/src/core/VideoService.h @@ -109,14 +109,22 @@ class VideoService : public MoonModule { /// before the first tick rather than one tick later. void prepare() override { seat_.claim(); // re-take after a disable/enable cycle: release() vacated it - closeCapture(); // a source switch or a hotplug rebuild releases the device if (source >= kSourceCount) source = kSourcePattern; // a config restored from a capture-capable board if (source == kSourceUsb) { - openCapture(); - } else if (source == kSourceFile) { - loadFile(); - } else if (allocate(kPatternW, kPatternH)) { - renderPattern(); + // Every tree-wide rebuild lands here too (a layout resized, a module added), and the + // device stays open through those: a reopen drops the published frame and blocks on + // negotiation. It happens only for what actually changed the request. + if (!captureCurrent()) { + closeCapture(); + openCapture(); + } + } else { + closeCapture(); // a source switch releases the device, and the frame borrowed from it + if (source == kSourceFile) { + loadFile(); + } else if (allocate(kPatternW, kPatternH)) { + renderPattern(); + } } } @@ -173,6 +181,7 @@ class VideoService : public MoonModule { fail("no capture device"); return; } + opened_ = {usbWidth, usbHeight, usbFps}; // What was ASKED for, until a frame arrives: the device negotiates, and readCapture() // replaces this with the dimensions actually being decoded. std::snprintf(status_, sizeof(status_), "asked %ux%u", usbWidth, usbHeight); @@ -180,11 +189,20 @@ class VideoService : public MoonModule { shownW_ = shownH_ = 0; } + /// Whether the open device already serves the selection: the same format list (a replug, even + /// of the same grabber, publishes a new generation) and the same requested format. A (re)open + /// is worth its cost only when one of those moved. + bool captureCurrent() const { + return capture_.impl && platform::videoCaptureFormatGeneration() == formatGen_ && + opened_.width == usbWidth && opened_.height == usbHeight && opened_.fps == usbFps; + } + /// Release the device. The published frame borrows one of ITS buffers (platform.h, /// videoCaptureFrame), so it is dropped first: this is the one place that order is decided, /// and every teardown path goes through here. void closeCapture() { frame_ = VideoFrame{}; + opened_ = {}; platform::videoCaptureDeinit(capture_); } @@ -250,6 +268,7 @@ class VideoService : public MoonModule { } platform::VideoCaptureHandle capture_; + platform::VideoCaptureFormat opened_ = {}; // the request the open device was made with // Derived from the selected row, never typed: what actually gets requested of the device, and // the opening bid before one has listed its formats. 16:9 on purpose: a 4:3 capture makes a diff --git a/src/light/effects/AmbilightEffect.h b/src/light/effects/AmbilightEffect.h index 26ffad2a..295aa486 100644 --- a/src/light/effects/AmbilightEffect.h +++ b/src/light/effects/AmbilightEffect.h @@ -90,14 +90,24 @@ class AmbilightEffect : public EffectBase { // rectangle to hold the 3 KB its perimeter needs, the waste this list exists to remove. size_t lit = 0; for (size_t i = 0; i < positions; i++) - if (lut.hasDestination(static_cast(i))) lit++; + if (columnLit(lut, i, positions)) lit++; if (lit == 0 || !lit_.resize(lit)) return; // no list: tick() paints the whole box instead const lengthType w = width(); for (size_t i = 0; i < positions; i++) - if (lut.hasDestination(static_cast(i))) + if (columnLit(lut, i, positions)) lit_[litCount_++] = static_cast((i / w) << 16 | (i % w)); } + /// Whether front-face position `i` reaches an LED in ANY z plane. This effect is D2, and + /// Layer::extrude() copies what it paints at z=0 across the depth, so on a sparse 3D layout (a + /// sphere) a column with its only LED at z > 0 is still lit from here. `slice` = width*height. + bool columnLit(const MappingLUT& lut, size_t i, size_t slice) const MM_NONBLOCKING { + const lengthType d = depth(); + for (lengthType z = 0; z < d; z++) + if (lut.hasDestination(static_cast(i + static_cast(z) * slice))) return true; + return false; + } + void tick() MM_NONBLOCKING override { const VideoFrame* frame = VideoService::latestFrame(); const draw::Canvas out = canvas(); @@ -142,10 +152,11 @@ class AmbilightEffect : public EffectBase { // The list could not be allocated. Same output, asking the mapping per position - // which is the cost the list exists to avoid. const MappingLUT& lut = layer()->lut(); + const size_t slice = static_cast(lightsX) * lightsY; draw::fill(out, {0, 0, 0}); for (lengthType y = 0; y < lightsY; y++) for (lengthType x = 0; x < lightsX; x++) - if (lut.hasDestination(static_cast(y * lightsX + x))) + if (columnLit(lut, static_cast(y) * lightsX + x, slice)) paint(out, *frame, region, x, y, lightsX, lightsY, canSmooth, level); } primed_ = true; diff --git a/src/platform/esp32/platform_esp32_usbvideo.cpp b/src/platform/esp32/platform_esp32_usbvideo.cpp index e2596717..702df515 100644 --- a/src/platform/esp32/platform_esp32_usbvideo.cpp +++ b/src/platform/esp32/platform_esp32_usbvideo.cpp @@ -95,6 +95,12 @@ struct FormatBank { }; FormatBank formatBank; std::atomic formatGen{0}; // 0 = nothing published yet; odd = a write in progress +// The device the bank describes, so the open reaches THAT one and not whichever the driver finds +// first when two are attached. 0 (UVC_HOST_ANY_DEV_ADDR) until a device has enumerated. +std::atomic formatDevAddr{UVC_HOST_ANY_DEV_ADDR}; +// Only the first streaming function of a device is ever opened, so only its list is published: +// a device exposing several would otherwise describe one function while another gets opened. +constexpr uint8_t kStreamIndex = 0; bool hostReady = false; bool uvcReady = false; @@ -170,11 +176,11 @@ void addAdvertised(const uvc_host_frame_info_t& info, uint32_t interval, size_t& // makes the list available even when the open then fails on an unsupported resolution. void onDriverEvent(const uvc_host_driver_event_data_t* event, void*) { if (event->type != UVC_HOST_DRIVER_EVENT_DEVICE_CONNECTED) return; + if (event->device_connected.uvc_stream_index != kStreamIndex) return; // never opened, so not listed + const uint8_t devAddr = event->device_connected.dev_addr; size_t count = kMaxFormats; - if (uvc_host_get_frame_list(event->device_connected.dev_addr, - event->device_connected.uvc_stream_index, - reinterpret_cast(frameList), + if (uvc_host_get_frame_list(devAddr, kStreamIndex, reinterpret_cast(frameList), &count) != ESP_OK) { ESP_LOGW(kTag, "device connected but its frame list could not be read"); return; @@ -183,6 +189,7 @@ void onDriverEvent(const uvc_host_driver_event_data_t* event, void*) { // Bracket the rewrite in an odd generation, so a reader can tell it overlapped one. formatGen.fetch_add(1, std::memory_order_release); + formatDevAddr.store(devAddr, std::memory_order_relaxed); std::atomic_thread_fence(std::memory_order_release); size_t n = 0; for (size_t i = 0; i < count; i++) { @@ -336,10 +343,12 @@ bool openStream(Capture& cap, uint16_t width, uint16_t height, uint8_t fps) { streamCfg.event_cb = onEvent; streamCfg.frame_cb = onFrame; streamCfg.user_ctx = ∩ - streamCfg.usb.dev_addr = UVC_HOST_ANY_DEV_ADDR; + // The device whose formats are on offer, once one has enumerated; any device before that, and + // its enumeration then bumps the generation, so the caller comes back and opens it by address. + streamCfg.usb.dev_addr = formatDevAddr.load(std::memory_order_relaxed); streamCfg.usb.vid = UVC_HOST_ANY_VID; streamCfg.usb.pid = UVC_HOST_ANY_PID; - streamCfg.usb.uvc_stream_index = 0; + streamCfg.usb.uvc_stream_index = kStreamIndex; streamCfg.vs_format.h_res = width; streamCfg.vs_format.v_res = height; streamCfg.vs_format.fps = fps; // negotiated down to what the device offers @@ -349,8 +358,8 @@ bool openStream(Capture& cap, uint16_t width, uint16_t height, uint8_t fps) { streamCfg.advanced.number_of_frame_buffers = 3; // Wait rather than fail: the host enumerates asynchronously, so a device plugged in at boot - // is usually not ready when this runs. - if (uvc_host_stream_open(&streamCfg, 3000, &cap.stream) != ESP_OK) { + // is usually not ready when this runs. The driver takes ticks, not milliseconds. + if (uvc_host_stream_open(&streamCfg, pdMS_TO_TICKS(3000), &cap.stream) != ESP_OK) { ESP_LOGW(kTag, "no UVC device offering MJPEG %ux%u", width, height); return false; } diff --git a/test/scenario_runner.cpp b/test/scenario_runner.cpp index 45d5a16f..66ceea2b 100644 --- a/test/scenario_runner.cpp +++ b/test/scenario_runner.cpp @@ -9,6 +9,7 @@ #include "light/layouts/GridLayout.h" #include "light/layouts/GridBlacksLayout.h" #include "light/layouts/SphereLayout.h" +#include "light/layouts/RectangleLayout.h" #include "light/layers/Layer.h" #include "light/layouts/Layouts.h" #include "light/layers/Effects.h" @@ -36,7 +37,10 @@ #include "light/drivers/PreviewDriver.h" #include "core/SystemModule.h" #include "core/AudioService.h" +#include "core/VideoService.h" +#include "core/Services.h" #include "light/effects/AudioVolumeEffect.h" +#include "light/effects/AmbilightEffect.h" #include "light/effects/AudioSpectrumEffect.h" #include "light/effects/GameOfLifeEffect.h" #include "light/effects/GEQ3DEffect.h" @@ -207,6 +211,7 @@ static void registerScenarioTypes() { mm::ModuleFactory::registerType("GridLayout"); mm::ModuleFactory::registerType("GridBlacksLayout"); mm::ModuleFactory::registerType("SphereLayout"); + mm::ModuleFactory::registerType("RectangleLayout"); mm::ModuleFactory::registerType("Effects"); mm::ModuleFactory::registerType("Layer"); mm::ModuleFactory::registerType("LinesEffect"); @@ -232,8 +237,11 @@ static void registerScenarioTypes() { mm::ModuleFactory::registerType("NetworkSendDriver"); mm::ModuleFactory::registerType("PreviewDriver"); mm::ModuleFactory::registerType("SystemModule"); + mm::ModuleFactory::registerType("Services"); mm::ModuleFactory::registerType("AudioService"); + mm::ModuleFactory::registerType("VideoService"); mm::ModuleFactory::registerType("AudioVolumeEffect"); + mm::ModuleFactory::registerType("AmbilightEffect"); mm::ModuleFactory::registerType("AudioSpectrumEffect"); mm::ModuleFactory::registerType("GameOfLifeEffect"); mm::ModuleFactory::registerType("GEQ3DEffect"); @@ -392,6 +400,13 @@ struct ScenarioContext { if (props.has("width")) grid->width = static_cast(props["width"].num); if (props.has("height")) grid->height = static_cast(props["height"].num); if (props.has("depth")) grid->depth = static_cast(props["depth"].num); + } else if (std::strcmp(type, "RectangleLayout") == 0) { + // Same construct-time apply: the perimeter is computed from these, so a fixture + // that could not set them would silently measure the 32x18 default instead of the + // border it names. The wiring controls stay on set_control, which works post-start. + auto* rect = static_cast(mod); + if (props.has("width")) rect->width = static_cast(props["width"].num); + if (props.has("height")) rect->height = static_cast(props["height"].num); } } diff --git a/test/scenarios/light/scenario_Video_mutation.json b/test/scenarios/light/scenario_Video_mutation.json new file mode 100644 index 00000000..e101d1ee --- /dev/null +++ b/test/scenarios/light/scenario_Video_mutation.json @@ -0,0 +1,234 @@ +{ + "name": "scenario_Video_mutation", + "module": "VideoService", + "mode": "mutate", + "also": [ + "SystemModule", + "Services", + "Layouts", + "RectangleLayout", + "Effects", + "Layer", + "RainbowEffect", + "AmbilightEffect", + "Drivers", + "PreviewDriver" + ], + "description": "Add / configure / remove the VideoService and its AmbilightEffect consumer while the render pipeline runs, the video half of what scenario_Audio_mutation pins for audio. The effect reads the service through the static VideoService::latestFrame() accessor rather than a boot-time pointer, so add and remove may happen in any order at runtime. Each step asserts the pipeline keeps RENDERING: adding the service, writing its controls one at a time (source is an affectsPrepare control, so that write drives a full prepareTree mid-render), adding and configuring the consumer, and REMOVING the service while the consumer is still live. That last step is what the seat exists for: latestFrame() falls back to the static kNoVideoFrame and the effect paints black instead of dereferencing a frame whose buffer went with the service. Pixel correctness is pinned by unit_AmbilightEffect; this is the live wired-pipeline gate.", + "fixture": [ + { + "name": "fix-system", + "description": "SystemModule: the device's fixed identity/vitals root, mirroring main.cpp.", + "op": "add_module", + "id": "System", + "type": "SystemModule" + }, + { + "name": "fix-services", + "description": "Services: the top-level container user-added capability modules hang under, mirroring main.cpp where VideoService is a Service, not a System child.", + "op": "add_module", + "id": "Services", + "type": "Services" + }, + { + "name": "fix-layouts", + "op": "add_module", + "id": "Layouts", + "type": "Layouts" + }, + { + "name": "fix-rect", + "description": "The border the ambilight actually drives: 16:9, a 296-light perimeter, about the 300-LED strip this feature was built for. The Layer still allocates the whole 96x54 bounding box, so this also exercises the sparse-list path that keeps the effect off the 5184 unlit positions.", + "op": "add_module", + "id": "Rect", + "type": "RectangleLayout", + "parent_id": "Layouts", + "props": { + "width": 96, + "height": 54 + } + }, + { + "name": "fix-layers", + "op": "add_module", + "id": "Effects", + "type": "Effects", + "props": { + "layouts": "Layouts" + } + }, + { + "name": "fix-layer", + "op": "add_module", + "id": "Layer", + "type": "Layer", + "parent_id": "Effects", + "props": { + "channelsPerLight": 3 + } + }, + { + "name": "fix-rainbow", + "description": "A non-video effect so the pipeline has something to render before, and after, the video pair exists.", + "op": "add_module", + "id": "Rainbow", + "type": "RainbowEffect", + "parent_id": "Layer" + }, + { + "name": "fix-drivers", + "op": "add_module", + "id": "Drivers", + "type": "Drivers", + "props": { + "effects": "Effects" + } + }, + { + "name": "fix-preview", + "op": "add_module", + "id": "Preview", + "type": "PreviewDriver", + "parent_id": "Drivers" + } + ], + "steps": [ + { + "name": "measure-pipeline-only", + "description": "Baseline: the render pipeline runs with no video module present.", + "op": "measure", + "measure": true, + "bounds": { + "fps": { + "min": 1 + } + } + }, + { + "name": "add-video-module", + "description": "Add the VideoService under the Services container. It claims the one-active-source seat on construction and renders its test pattern; the pipeline must keep rendering.", + "op": "add_module", + "id": "Video", + "type": "VideoService", + "parent_id": "Services" + }, + { + "name": "measure-video-added", + "description": "Pipeline still renders with the video service added and no consumer reading it.", + "op": "measure", + "measure": true, + "bounds": { + "fps": { + "min": 1 + } + } + }, + { + "name": "configure-source", + "description": "Select the test-pattern source. This is an affectsPrepare control, so the write drives a full prepareTree mid-render: the buffer is resized and refilled while the pipeline ticks.", + "op": "set_control", + "id": "Video", + "key": "source", + "value": 0 + }, + { + "name": "configure-stale", + "description": "Set the frame-gap tolerance. A plain (non-prepare) control write completing the add-then-configure flow; the prepareTree before it must not have disturbed the running pipeline.", + "op": "set_control", + "id": "Video", + "key": "staleMs", + "value": 2000 + }, + { + "name": "measure-video-configured", + "description": "Pipeline still renders after the config writes, one of which rebuilt the tree.", + "op": "measure", + "measure": true, + "bounds": { + "fps": { + "min": 1 + } + } + }, + { + "name": "add-video-consumer", + "description": "Add an AmbilightEffect under the Layer. It reads the service through the static accessor, so it picks up the live frame with nothing having wired the two together.", + "op": "add_module", + "id": "Ambi", + "type": "AmbilightEffect", + "parent_id": "Layer" + }, + { + "name": "measure-consumer-live", + "description": "Producer and consumer both live: the border is being painted from the published frame.", + "op": "measure", + "measure": true, + "bounds": { + "fps": { + "min": 1 + } + } + }, + { + "name": "configure-consumer-fade", + "description": "Configure the consumer while it renders: the fade ramp, which restarts from the current elapsed() rather than resetting the pipeline.", + "op": "set_control", + "id": "Ambi", + "key": "fadeInMs", + "value": 500 + }, + { + "name": "configure-consumer-smoothing", + "description": "Smoothing allocates the 8.8 per-channel state in prepare(), so this write resizes a live effect's buffer mid-render.", + "op": "set_control", + "id": "Ambi", + "key": "smoothing", + "value": 64 + }, + { + "name": "measure-consumer-configured", + "description": "Pipeline still renders after both consumer writes, one of which resized a buffer.", + "op": "measure", + "measure": true, + "bounds": { + "fps": { + "min": 1 + } + } + }, + { + "name": "remove-video-module", + "description": "Remove the service while the consumer is STILL live. latestFrame() must fall back to the static kNoVideoFrame, and the effect must paint black rather than dereference a frame whose buffer went with the service. This is the robustness rule's hardest case for this pair, and the one the seat and the borrowed-buffer teardown order exist for.", + "op": "remove_module", + "id": "Video" + }, + { + "name": "measure-after-video-removed", + "description": "Pipeline still renders with an orphaned consumer and no producer.", + "op": "measure", + "measure": true, + "bounds": { + "fps": { + "min": 1 + } + } + }, + { + "name": "remove-video-consumer", + "description": "Remove the orphaned consumer too: clean teardown, pipeline still live.", + "op": "remove_module", + "id": "Ambi" + }, + { + "name": "measure-back-to-baseline", + "description": "Back to the baseline tree, still rendering.", + "op": "measure", + "measure": true, + "bounds": { + "fps": { + "min": 1 + } + } + } + ] +} diff --git a/test/unit/light/unit_AmbilightEffect.cpp b/test/unit/light/unit_AmbilightEffect.cpp index 4a28586f..2d1a296a 100644 --- a/test/unit/light/unit_AmbilightEffect.cpp +++ b/test/unit/light/unit_AmbilightEffect.cpp @@ -5,6 +5,7 @@ #include "light/effects/AmbilightEffect.h" #include "light/layouts/GridLayout.h" #include "light/layouts/RectangleLayout.h" +#include "light/layouts/SphereLayout.h" #include "platform/platform.h" // fsRootPath: ctest roots the filesystem in the build tree #include "light/layouts/Layouts.h" @@ -19,9 +20,14 @@ using mm::AmbilightEffect; using mm::VideoService; +namespace platform = mm::platform; namespace { +// Restore the real clock after any test that froze it, so a frozen value cannot leak into +// order-dependent neighbours. +struct ClockGuard { ~ClockGuard() { mm::platform::setTestNowMs(0); } }; + // A live VideoService in test-pattern mode: red top band, blue bottom, yellow left, green right. // Its seat is claimed on construction and vacated on destruction, so each case starts clean. struct PatternSource { @@ -274,23 +280,39 @@ TEST_CASE("AmbilightEffect: fadeInMs off means the first picture lands at full l // With a ramp set, the first frame must be dark and later frames brighter: the whole point being // that a room does not jump to full brightness the instant a console wakes up. +// +// The clock is DRIVEN: a real-time loop outruns a 4000 ms ramp and leaves the level where it +// started. The no-ramp rig alongside is the target, sampled from the same frame at the same +// instant, so the pattern's moving sweep cannot read as the envelope. TEST_CASE("AmbilightEffect: fadeInMs ramps the first frames up from black") { + ClockGuard guard; PatternSource src; - Rig rig(8, 8); - rig.fx.saturation = 100; - rig.fx.fadeInMs = 4000; // long, so the first ticks land near the bottom of the ramp - rig.render(); - - const uint8_t first = rig.px(4, 0)[0]; - for (int i = 0; i < 50; i++) rig.tickOnly(src.svc); - const uint8_t later = rig.px(4, 0)[0]; + Rig faded(8, 8), target(8, 8); + faded.fx.saturation = 100; + faded.fx.fadeInMs = 4000; + target.fx.saturation = 100; + target.fx.fadeInMs = 0; // no envelope: what the faded rig has to arrive at - CHECK(later >= first); // never goes backwards - // And it does reach full: the reference rig has no ramp, so its value is the target. - Rig reference(8, 8); - reference.fx.saturation = 100; - reference.render(); - CHECK(later <= reference.px(4, 0)[0]); + platform::setTestNowMs(1000); // fadeStart_ is taken here, so the ramp opens at zero + faded.render(); + target.render(); + const uint8_t start = faded.px(4, 0)[0]; + CHECK(start == 0); // the envelope is shut at t = fadeStart + CHECK(target.px(4, 0)[0] > 0); // ...and there is really a picture behind it + + platform::setTestNowMs(3000); // half of a 4000 ms ramp + src.svc.tick(); // one new frame, which both rigs then read + faded.tickOnly(); + target.tickOnly(); + const uint8_t mid = faded.px(4, 0)[0], midTarget = target.px(4, 0)[0]; + CHECK(mid > start); // it MOVED + CHECK(mid < midTarget); // and has not arrived yet + + platform::setTestNowMs(5001); // past the end of the ramp + src.svc.tick(); + faded.tickOnly(); + target.tickOnly(); + CHECK(faded.px(4, 0)[0] == target.px(4, 0)[0]); // arrives, not merely stays under } // --- edgeDepth --------------------------------------------------------------------------------- @@ -494,6 +516,32 @@ TEST_CASE("AmbilightEffect: a border layout paints its perimeter and skips the i } } +// The effect is D2 and Layer::extrude() copies its front slice across the depth, so on a sparse 3D +// layout a column whose only LEDs sit at z > 0 has to be painted at z = 0 too, or those LEDs get +// black extruded into them. +TEST_CASE("AmbilightEffect: a sparse 3D layout lights an LED behind an empty front-face position") { + PatternSource src; + mm::Layouts layouts; + mm::SphereLayout sphere; + mm::Layer layer; + AmbilightEffect fx; + sphere.radius = 2; // a 5x5x5 box; the shell point (4,2,2) has no LED anywhere at z = 0 in its column + layouts.addChild(&sphere); + layer.setLayouts(&layouts); + layer.setChannelsPerLight(3); + layer.addChild(&fx); + fx.saturation = 100; + layer.applyState(); + layer.tick(); + + const mm::MappingLUT& lut = layer.lut(); + REQUIRE(layer.depth() == 5); + REQUIRE_FALSE(lut.hasDestination(2 * 5 + 4)); // (4,2) at z = 0: nothing + REQUIRE(lut.hasDestination((2 * 5 + 2) * 5 + 4)); // (4,2) at z = 2: on the shell + const uint8_t* p = layer.buffer().data() + ((2 * 5 + 2) * 5 + 4) * 3; + CHECK((p[0] | p[1] | p[2]) != 0); +} + // --- Skipping a repeated frame ----------------------------------------------------------------- // The render loop outruns the source (60 Hz against 30 fps video, or a still picture) and diff --git a/test/unit/light/unit_RectangleLayout.cpp b/test/unit/light/unit_RectangleLayout.cpp index 4a383ef5..081b4c2e 100644 --- a/test/unit/light/unit_RectangleLayout.cpp +++ b/test/unit/light/unit_RectangleLayout.cpp @@ -105,25 +105,40 @@ TEST_CASE("RectangleLayout: every light occupies a distinct perimeter cell") { } // startCorner and clockwise change the WIRING, not the shape. Whatever corner the strip enters at -// and whichever way it runs, the same set of cells lights up: only the index order differs. This -// is what lets an effect's "top edge" be the physical top edge on any build. -TEST_CASE("RectangleLayout: all eight wirings emit the same cells, in different order") { +// and whichever way it runs, the same cells light up: only the index order differs. This is what +// lets an effect's "top edge" be the physical top edge on any build. +// +// Every position is compared, not the set of them: a set has no order, so it passes on a walk that +// visits the right cells in the wrong sequence, which is the one thing these controls choose. Each +// wiring is the reference rotated to the chosen corner, counter-clockwise traversed backwards. +TEST_CASE("RectangleLayout: each of the eight wirings emits the reference walk in its own order") { + const int w = 6, h = 4; RectangleLayout ref; - ref.width = 6; ref.height = 4; + ref.width = w; ref.height = h; // top-left, clockwise, shared corners: the reference const auto base = walk(ref); - const std::set> expected(base.begin(), base.end()); + const size_t n = base.size(); + REQUIRE(n == static_cast(2 * w + 2 * h - 4)); + + // kStartCornerOptions order: top-left, top-right, bottom-right, bottom-left. + const std::pair corners[4] = {{0, 0}, {w - 1, 0}, {w - 1, h - 1}, {0, h - 1}}; for (uint8_t corner = 0; corner < RectangleLayout::kStartCornerCount; corner++) { + size_t s = 0; // where that corner sits in the reference + while (s < n && base[s] != corners[corner]) s++; + REQUIRE(s < n); for (bool cw : {true, false}) { RectangleLayout r; - r.width = 6; r.height = 4; + r.width = w; r.height = h; r.startCorner = corner; r.clockwise = cw; const auto p = walk(r); + REQUIRE(p.size() == n); + for (size_t i = 0; i < n; i++) { + const size_t j = cw ? (s + i) % n : (s + n - i) % n; + CHECK(p[i] == base[j]); + } const std::set> got(p.begin(), p.end()); - CHECK(p.size() == base.size()); - CHECK(got == expected); // same cells... - CHECK(got.size() == p.size()); // ...each still exactly once + CHECK(got.size() == n); // and still each cell exactly once } } } From 560e08f1c67cd5979d8c003bcb5d532417366709 Mon Sep 17 00:00:00 2001 From: Shura Fedorovskyi Date: Thu, 3 Sep 2026 22:49:54 +0400 Subject: [PATCH 20/25] Stop pricing a dimmer, and stop reading a dark scene as bars MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit A dark scene is no longer cropped to its middle. The current cap no longer charges for a dimmer channel that draws nothing. Performance: not collected, no board attached. Light domain - barFrom reaching its 40% ceiling reports no bar. It returned the ceiling, so an all-dark frame took bars on all four edges and kStableFrames held that crop past the scene. - measure() prices neither the dimmer nor motion: on the fixtures declaring them those bytes are DMX control values drawing nothing from this rail. The fixed-cost path also let an over-budget frame through with limit at 0. Tests - A dark-but-uneven frame pins the bar ceiling; a dimmer costs the estimate nothing. Docs/CI - drivers.md follows measure(); American spelling in our .clangd and comments. Reviews - 🐇 dark scene adopts 40% bars: done. - 🐇 fixed dimmer budget exceeds the cap: done, by not pricing it. - 🐇 RMT measure has no test: deferred. tick() opens with `if constexpr (rmtTxChannels == 0) return`, so it cannot run on the host; a test needs an RMT peripheral mock. measure and apply take the same winStart_ and n, so a mistake lights the wrong LEDs rather than only mispricing. - 🐇 hardware capture unverified: deferred to bench, no board yet. - 🐇 British spelling in three files: done. Co-Authored-By: Claude Opus 5 (1M context) --- docs/moonmodules/light/drivers.md | 2 +- src/light/drivers/Correction.h | 21 +++----- src/light/effects/AmbilightEffect.h | 9 ++-- src/platform/esp32/.clangd | 4 +- test/unit/light/unit_AmbilightEffect.cpp | 56 ++++++++++++++++++++-- test/unit/light/unit_Correction.cpp | 61 ++++++++++-------------- 6 files changed, 92 insertions(+), 61 deletions(-) diff --git a/docs/moonmodules/light/drivers.md b/docs/moonmodules/light/drivers.md index deb34373..50450a1d 100644 --- a/docs/moonmodules/light/drivers.md +++ b/docs/moonmodules/light/drivers.md @@ -23,7 +23,7 @@ Added once by [`DriverBase`](moxygen/DriverBase.md) so no driver re-implements i - `mAPerColorChannel` / `mAPerWhiteChannel`: what one channel draws at full, for that estimate. Per **channel**, not per light: a white die draws about twice a color one, so a single per-light figure under-reports white-heavy frames, which is the direction that browns out a supply. Defaults (8 and 16) are measured on a 5 m SK6812 RGBW strip. WLED carries the per-light version of this as an open issue, [#3707](https://github.com/wled/WLED/issues/3707). - `mAPerYellowChannel` / `mAPerUvChannel`: the same for the two emitters a 6-channel lightbar adds, shown only on a fixture that carries them. Both default to 8 by assumption rather than measurement: amber sits near red, while a UV die usually draws more. -Only drivers whose lights run off **this board's supply** offer these at all: the LED drivers do, while [Network Send](#networksend), [Panel Card](#panelcard) and [Hue](#hue) feed fixtures with their own power and so have nothing to cap. A master dimmer is counted but never scaled: it is held at full whatever the limit says, so its draw comes off the budget before the colors are scaled into what is left. +Only drivers whose lights run off **this board's supply** offer these at all: the LED drivers do, while [Network Send](#networksend), [Panel Card](#panelcard) and [Hue](#hue) feed fixtures with their own power and so have nothing to cap. A master dimmer is not counted: on the fixtures that declare one it is a control value drawing nothing from this rail, like the motion channels beside it. - `start` — first light of the shared buffer this driver reads (default `0`). - `count` — how many lights from `start` this driver drives. **Blank / default drives all lights**; set a number to output only that slice — the way multiple drivers each own a section of one buffer (an onboard status LED at `0`, the main strip from `1`). diff --git a/src/light/drivers/Correction.h b/src/light/drivers/Correction.h index edf620da..fdba2679 100644 --- a/src/light/drivers/Correction.h +++ b/src/light/drivers/Correction.h @@ -242,21 +242,12 @@ struct Correction { // floors to 7, so a 7 mA budget would apply no limit at all. const uint64_t scalableMa = (sum + 254) / 255; - // A master dimmer holds 255 whatever `limit` says, so it is a FIXED cost: take it off the - // budget and scale the rest into what is left. Priced as scalable, the ratio would assume - // it shrinks too and the frame would still exceed the cap. On an addressable strip that - // byte is a die, and the IRGB preset puts a Dimmer on one. - // Motion is written unscaled too and is deliberately not priced: on every fixture that - // really has pan and tilt those bytes are DMX control values drawing nothing from this - // rail, so charging mAColor for them would be fiction. The dimmer is priced because IRGB - // puts one on a 4-channel light, which is a plausible pick for an addressable strip. - const uint64_t fixedMa = (offDimmer != kAbsent) ? static_cast(n) * mAColor : 0; - if (fixedMa >= budgetMa) { // the fixed draw alone is over: nothing left to give the colors - limit = 0; - return; - } - const uint64_t headroomMa = budgetMa - fixedMa; - if (scalableMa > headroomMa) limit = static_cast((headroomMa * 256u) / scalableMa); + // Neither the dimmer nor motion is priced: on the fixtures that declare them those bytes + // are DMX control values drawing nothing from this rail, so charging for them would squeeze + // the colors to make room for current that does not exist. The one case where a dimmer byte + // IS a die is IRGB mis-set on an addressable strip, and pricing it neither prevents that nor + // caps it: apply() writes the dimmer unscaled, so no limit reaches it. + if (scalableMa > budgetMa) limit = static_cast((budgetMa * 256u) / scalableMa); } /// Hot path: transform one source light (`srcChannels` bytes at `src`) into `out` diff --git a/src/light/effects/AmbilightEffect.h b/src/light/effects/AmbilightEffect.h index 295aa486..6f9bd807 100644 --- a/src/light/effects/AmbilightEffect.h +++ b/src/light/effects/AmbilightEffect.h @@ -31,7 +31,7 @@ class AmbilightEffect : public EffectBase { Dim dimensions() const override { return Dim::D2; } // a frame is flat; the Layer extrudes z uint8_t brightness = 255; // dims THE VIDEO; the driver's brightness dims everything - uint8_t saturation = 130; // percent of the distance from grey; 100 = the mean untouched + uint8_t saturation = 130; // percent of the distance from gray; 100 = the mean untouched uint8_t smoothing = 0; // 0 = follow the frame exactly; higher = slower to move uint8_t snapAbove = 80; // jump rather than smooth when a channel moves further than this; 0 = never uint16_t fadeInMs = 0; // ramp up from black over this long when a picture first arrives; 0 = off @@ -245,8 +245,9 @@ class AmbilightEffect : public EffectBase { return true; } - /// How many dark lines run inward from one edge, capped so a dark SCENE cannot be mistaken for - /// a bar and blank the strip. + /// How many dark lines run inward from one edge. Reaching the ceiling reports NO bar: darkness + /// that deep is a dark SCENE, where a real letterbox is about 12% an edge. Returning the ceiling + /// cropped a dark frame to its middle and kStableFrames held that into the next scene. int barFrom(const VideoFrame& frame, Edge edge) const MM_NONBLOCKING { const int extent = scansRows(edge) ? frame.height : frame.width; const int limit = extent * kMaxBarPercent / 100; @@ -254,7 +255,7 @@ class AmbilightEffect : public EffectBase { const int line = scansFromEnd(edge) ? extent - 1 - i : i; if (!lineIsDark(frame, line, edge)) return i; } - return limit; + return 0; } /// Scan this frame and return the bars IN EFFECT, which is not necessarily what was just diff --git a/src/platform/esp32/.clangd b/src/platform/esp32/.clangd index cabe5046..6678b2b7 100644 --- a/src/platform/esp32/.clangd +++ b/src/platform/esp32/.clangd @@ -1,12 +1,12 @@ # ESP32 platform sources are compiled by the ESP-IDF build, not the desktop one, so the root # .clangd's build/macos database has no entry for them: clangd guesses flags and reports # `'sdkconfig.h' file not found` on every file here. Point this directory at a firmware build -# instead, and the real flags come with it — CONFIG_IDF_TARGET_*, the managed-component include +# instead, and the real flags come with it: CONFIG_IDF_TARGET_*, the managed-component include # paths, and the generated config/sdkconfig.h that defines the target macro the #if reads. # # Needs that firmware built at least once (`uv run moondeck/build/build_esp32.py --firmware # esp32p4rev1-eth-wifi`); the database is a build product. Pointing at ONE variant means files here -# are shown as that chip sees them — a file with per-target branches will have the others greyed +# are shown as that chip sees them, so a file with per-target branches has the others grayed # out, so change the path when working on a different one. # # Scoped to this directory on purpose: the P4 database carries no entry for test/ or diff --git a/test/unit/light/unit_AmbilightEffect.cpp b/test/unit/light/unit_AmbilightEffect.cpp index 2d1a296a..8fae00ec 100644 --- a/test/unit/light/unit_AmbilightEffect.cpp +++ b/test/unit/light/unit_AmbilightEffect.cpp @@ -25,7 +25,7 @@ namespace platform = mm::platform; namespace { // Restore the real clock after any test that froze it, so a frozen value cannot leak into -// order-dependent neighbours. +// order-dependent neighbors. struct ClockGuard { ~ClockGuard() { mm::platform::setTestNowMs(0); } }; // A live VideoService in test-pattern mode: red top band, blue bottom, yellow left, green right. @@ -167,8 +167,8 @@ TEST_CASE("AmbilightEffect: brightness scales the sampled color down") { } // Saturation stretches each channel away from the zone's luma: above 100 a colored zone gets -// more saturated, which is what pulls averaged means back off grey. -TEST_CASE("AmbilightEffect: saturation above 100 pushes a colored zone further from grey") { +// more saturated, which is what pulls averaged means back off gray. +TEST_CASE("AmbilightEffect: saturation above 100 pushes a colored zone further from gray") { PatternSource src; Rig flat(8, 8); flat.fx.saturation = 100; @@ -414,6 +414,38 @@ struct Letterbox { } }; + +// A frame every line of which reads DARK to the bar probe, with brighter outer rows than middle +// ones, so a wrongly adopted bar changes what the edge lights see. Same shape as Letterbox. +struct DimFrame { + VideoService svc; + char path[64] = {}; + DimFrame(int w, int h, uint8_t outer, uint8_t inner, int band) { + std::snprintf(path, sizeof(path), "mm_dim_%dx%d_%d.ppm", w, h, band); + char real[256]; + std::snprintf(real, sizeof(real), "%s/%s", mm::platform::fsRootPath(), path); + mm::platform::fsMkdir("/"); + std::FILE* f = std::fopen(real, "wb"); + REQUIRE(f != nullptr); + std::fprintf(f, "P6\n%d %d\n255\n", w, h); + for (int y = 0; y < h; y++) + for (int x = 0; x < w; x++) { + const uint8_t v = (y < band || y >= h - band) ? outer : inner; + const uint8_t px[3] = {v, v, v}; + std::fwrite(px, 1, 3, f); + } + std::fclose(f); + svc.source = 1; + std::strncpy(svc.file, path, sizeof(svc.file) - 1); + svc.applyState(); + } + ~DimFrame() { + char real[256]; + std::snprintf(real, sizeof(real), "%s/%s", mm::platform::fsRootPath(), path); + std::remove(real); + } +}; + } // namespace // Off by default: no scan, no shift, identical to before the feature existed. @@ -441,6 +473,24 @@ TEST_CASE("AmbilightEffect: the top light escapes the letterbox once bars are de CHECK(rig.px(4, 0)[1] > 100); // now reading the green picture } +// Dark EVERYWHERE by the probe, but not uniform. Scanning to the ceiling used to report the deepest +// bar on all four edges, cropping a dark scene to its middle for kStableFrames after it ended. +TEST_CASE("AmbilightEffect: an all-dark frame reports no bars, not the deepest ones") { + // 40% of 64 is a 25-line ceiling. Rows 0..24 sit at 60, under barLevel 64, so the scan runs the + // whole way; rows 25..38 are black, which the top light would read if a bar were adopted. + DimFrame src(64, 64, 60, 0, 25); + Rig rig(8, 8); + rig.fx.saturation = 100; + rig.fx.detectBlackBars = true; + rig.fx.barLevel = 64; + rig.render(); + + const uint8_t first = rig.px(4, 0)[0]; + REQUIRE(first > 0); // reading the bright outer rows, not the middle + for (int i = 0; i < 60; i++) rig.tickOnly(src.svc); // past the hysteresis window + CHECK(rig.px(4, 0)[0] == first); // nothing adopted, so nothing moved +} + // The pattern's center is black and its edges are colored: the OPPOSITE of a letterbox. Nothing // must be detected in it, or a picture that fills the frame would get cropped. TEST_CASE("AmbilightEffect: a frame that fills the picture reports no bars") { diff --git a/test/unit/light/unit_Correction.cpp b/test/unit/light/unit_Correction.cpp index b379e313..2663c7d8 100644 --- a/test/unit/light/unit_Correction.cpp +++ b/test/unit/light/unit_Correction.cpp @@ -633,26 +633,6 @@ TEST_CASE("Each moving-head formation aims the rig differently") { mm::platform::setTestNowMs(0); // back to the real clock for every later test } -// A master dimmer is written at 255 every frame, and on an addressable strip every byte is a -// die: the IRGB preset puts a Dimmer on one of them. Uncounted, 300 lights of that is amps the budget -// never saw, and the limiter would call an over-budget frame safe. -TEST_CASE("Correction: the current estimate counts a master dimmer") { - const uint8_t frame[3] = {0, 0, 0}; // black, so only the dimmer draws anything - - Correction plain; - plain.budgetMa = 1; // any draw at all trips it, so limit reports the demand - mm::test::rebuildFromPreset(plain, 255, mm::test::PresetOrder::RGB); - plain.measure(frame, 3, 1); - CHECK(plain.limit == 256); // nothing lit, nothing drawn - - Correction dimmed; - dimmed.budgetMa = 1; - mm::test::rebuildFromPreset(dimmed, 255, mm::test::PresetOrder::RGB); - dimmed.offDimmer = 3; // the fixture carries one - dimmed.measure(frame, 3, 1); - CHECK(dimmed.limit < 256); // held at 255, so it draws even on a black frame -} - // Yellow and UV are real emitted channels on some fixtures, so the limiter has to price them too. TEST_CASE("Correction: the current estimate counts Yellow and UV channels") { using R = mm::ChannelRole; @@ -667,24 +647,33 @@ TEST_CASE("Correction: the current estimate counts Yellow and UV channels") { CHECK(c.limit < 256); } -// A dimmer is emitted at 255 whatever the limit says, so it cannot be scaled with the colors. It -// comes off the budget first: pricing it as a scalable term would compute a limit on the assumption -// it shrinks too, and the frame would still draw more than the cap. -TEST_CASE("Correction: a master dimmer is taken off the budget, not scaled with the frame") { +// A dimmer costs the estimate NOTHING: on every fixture that declares one it is a DMX control value +// drawing nothing from this rail, like the motion roles beside it. Pricing it squeezed the colors to +// make room for draw that does not exist. +TEST_CASE("Correction: a master dimmer costs the current estimate nothing") { uint8_t frame[10 * 3]; - std::memset(frame, 255, sizeof(frame)); // 10 white lights, 3 x 8 mA = 240 mA scalable + std::memset(frame, 255, sizeof(frame)); // 10 white lights, 3 x 8 mA = 240 mA - Correction c; - c.budgetMa = 200; // 80 mA of that goes to the dimmer at 8 mA a light - mm::test::rebuildFromPreset(c, 255, mm::test::PresetOrder::RGB); - c.offDimmer = 3; - c.measure(frame, 3, 10); - CHECK(c.limit == 128); // (200-80)/240 -> half, not 200/320 - - // And when the fixed draw alone is over budget there is nothing left to give the colors. - c.budgetMa = 40; - c.measure(frame, 3, 10); - CHECK(c.limit == 0); + Correction plain; + plain.budgetMa = 200; + mm::test::rebuildFromPreset(plain, 255, mm::test::PresetOrder::RGB); + plain.measure(frame, 3, 10); + + Correction dimmed; + dimmed.budgetMa = 200; + mm::test::rebuildFromPreset(dimmed, 255, mm::test::PresetOrder::RGB); + dimmed.offDimmer = 3; // the fixture carries one + dimmed.measure(frame, 3, 10); + + CHECK(plain.limit == 213); // 200/240 of unity: the colors, and only those + CHECK(dimmed.limit == plain.limit); // declaring a dimmer changed nothing + + // And a black frame draws nothing whether or not a dimmer is declared. Priced, this tripped + // the limiter on a strip showing no light at all. + const uint8_t black[3] = {0, 0, 0}; + dimmed.budgetMa = 1; + dimmed.measure(black, 3, 1); + CHECK(dimmed.limit == 256); } // Yellow and UV are emitted from the same corrected RGB as everything else, so a fixture carrying From e87c3a1eb9cfe63490c13a546aec56ef2d450016 Mon Sep 17 00:00:00 2001 From: Shura Fedorovskyi Date: Sat, 12 Sep 2026 19:35:44 +0400 Subject: [PATCH 21/25] Apply a restored capture format, add a pattern speed, drop the fade-in Co-Authored-By: Claude Opus 5 (1M context) --- docs/moonmodules/core/services.md | 3 +- docs/moonmodules/light/effects.md | 1 - esp32/sdkconfig.defaults.esp32p4rev1-eth | 6 ++ src/core/VideoService.h | 57 ++++++++-- src/light/effects/AmbilightEffect.h | 35 ++---- .../esp32/platform_esp32_usbvideo.cpp | 100 ++++++++++++++++-- src/platform/platform.h | 4 + .../light/scenario_Video_mutation.json | 8 +- test/unit/core/unit_VideoService.cpp | 31 ++++++ test/unit/core/unit_moonlive_fill.cpp | 6 +- test/unit/core/unit_moonlive_ir.cpp | 2 +- test/unit/light/unit_AmbilightEffect.cpp | 54 ---------- test/unit/light/unit_NdiDriver.cpp | 8 +- 13 files changed, 201 insertions(+), 114 deletions(-) diff --git a/docs/moonmodules/core/services.md b/docs/moonmodules/core/services.md index 443d1bf1..74720232 100644 --- a/docs/moonmodules/core/services.md +++ b/docs/moonmodules/core/services.md @@ -42,11 +42,12 @@ Detail: [technical](moxygen/AudioService.md) A Service (added by the user, not auto-wired): the video source that feeds screen-follow effects via `VideoService::latestFrame()`. The counterpart of [Audio](#audio) for a picture: one decode per tick, published once, read by however many effects want it. `source` decides which of the controls below are shown. - `source`: `test pattern` synthesizes a frame and needs no hardware or files; `file` reads a binary PPM off the filesystem; `usb` captures from an HDMI grabber, offered only on a target that can. +- `patternSpeed`: (test pattern) how fast the white block sweeps, in pixels per second. 0 parks it, which turns the pattern into a still reference: a border light can be compared against a known color without the block passing through its zone mid-read. - `file`: (file) path to a binary PPM (P6, maxval 255). Upload it through the File Manager, or point at any path on the device. - `reload`: (file) re-read the file in place, without rebuilding the pipeline. - `offered`: (usb) the resolution and frame rate to request, chosen from what the attached device advertises. Read-only until one enumerates, since the device decides what is on the list. - `staleMs`: (usb) how long a gap in frames is tolerated before the lights go dark. A UVC device streams continuously whatever is on the wire, so a gap means the grabber stopped, not that the content paused. -- status: the live frame's dimensions (`848x480`), or the reason there is no frame. +- status: the live frame's dimensions (`640x480`), or the reason there is no frame. **The test pattern is a diagnostic, not decoration.** Four colored border bands (red top, green right, blue bottom, yellow left) and a white block sweeping along the top edge. On a border-mounted strip that makes orientation self-evident: a mis-set `startCorner` or `clockwise` on the [Rectangle](../light/layouts.md#rectangle) layout shows as the wrong physical edge lighting, rather than a subtly wrong picture. The sweeping block shows liveness and which way "forward" runs. diff --git a/docs/moonmodules/light/effects.md b/docs/moonmodules/light/effects.md index f34ba937..ae56038f 100644 --- a/docs/moonmodules/light/effects.md +++ b/docs/moonmodules/light/effects.md @@ -956,7 +956,6 @@ Paints the layer with the live frame from the [Video](../core/services.md#video) - `saturation`: how far each channel is pushed from its zone's luma, as a percentage (100 = the mean untouched). Averaging mixes hues, so screen-follow lighting reads washed out without a boost. - `smoothing`: how much of the gap to a light's new color is closed per frame. 0 follows the picture exactly; about 200 is Hyperion's default feel, roughly 200 ms to settle. The top of the range is a slow color wash rather than an ambilight. - `snapAbove`: a channel moving further than this jumps instead of easing. A scene cut is a real jump, and smoothing through it reads as the lights lagging the picture. -- `fadeInMs`: ramps the output up from black when a picture arrives after a gap: boot, a console waking, a grabber replugged. 0 lands it at full immediately. - `edgeDepth`: how far into the picture the **outermost** lights look, as a percentage. Their own share is 1/height of the frame, a sliver at the very edge where compression is worst; Hyperion samples about 8%. It **sets** the depth rather than raising a floor, so a value below a position's own share makes its zone thinner instead. 0 keeps the plain division, which is what a video wall wants. - `detectBlackBars`: map the lights across the **picture** rather than the frame. Without it a 2.35:1 film puts bars exactly where the top and bottom lights look, and they go dark while the screen is bright. `edgeDepth` cannot fix that: it widens a zone from the edge, so the bar stays inside it. - `barLevel`: how dark a pixel must be to count as bar (0 to 64). Not 0, because compression leaves ringing at the bar/picture boundary. The default 12 (about 5%) matches Hyperion and suits MJPEG, which is conventionally full-range so black arrives near 0. **If bars are never detected**, suspect a grabber passing limited range through: black then sits at 16 and nothing below 12 ever matches, so raise this above 16. Lower it if dark scenes get cropped instead. diff --git a/esp32/sdkconfig.defaults.esp32p4rev1-eth b/esp32/sdkconfig.defaults.esp32p4rev1-eth index 33b843b1..3aeb3a79 100644 --- a/esp32/sdkconfig.defaults.esp32p4rev1-eth +++ b/esp32/sdkconfig.defaults.esp32p4rev1-eth @@ -73,3 +73,9 @@ CONFIG_HEAP_HAS_EXEC_HEAP=y # (the same fault from another reporter, on IDF v5.5-beta1). Remove once upstream answers. # Lives in the board fragment because every P4 image (rev1/rev3, eth/eth-wifi) layers on it. CONFIG_DSP_ANSI=y + +# USB host control-transfer buffer. A UVC configuration descriptor lists every format and frame +# size, 1-3 KB on a grabber, and enum.c rejects any descriptor longer than this buffer before a +# class driver is consulted: at the default 256 an MS2130 never enumerated. Costs 2 KB of heap per +# attached device. Here because every P4 image layers on this fragment and USB video is P4-only. +CONFIG_USB_HOST_CONTROL_TRANSFER_MAX_SIZE=2048 diff --git a/src/core/VideoService.h b/src/core/VideoService.h index 12f8bfe5..24114716 100644 --- a/src/core/VideoService.h +++ b/src/core/VideoService.h @@ -49,6 +49,10 @@ class VideoService : public MoonModule { char file[64] = "/frame.ppm"; uint8_t usbFormat = 0; // index into the device's advertised list; the only USB setting persisted uint16_t staleMs = 2000; // gap tolerated before the lights go dark + // Sweep rate of the test pattern's white block, in PIXELS PER SECOND. 0 parks it, which makes + // the pattern a still reference for checking a border light against a known color. 17 is the + // rate it used to be hard-coded to: a sweep every ~4 s. + uint8_t patternSpeed = 17; // Synthesized-pattern extent. Small on purpose: a border effect averages the frame down to a // few dozen values, so pixels beyond that buy nothing but bandwidth and decode time. 16:9. @@ -71,6 +75,10 @@ class VideoService : public MoonModule { void defineControls() override { controls_.addSelect("source", source, kSourceOptions, kSourceCount); + // Live (not in affectsPrepare): the rate changes what the NEXT frame draws, and nothing + // about the buffer, so it must not tear the pipeline down to take effect. + controls_.addControl("patternSpeed", patternSpeed, 0, 255); + controls_.setHidden(controls_.count() - 1, source != kSourcePattern); controls_.addText("file", file, sizeof(file)); controls_.setHidden(controls_.count() - 1, source != kSourceFile); controls_.addButton("reload"); @@ -111,6 +119,11 @@ class VideoService : public MoonModule { seat_.claim(); // re-take after a disable/enable cycle: release() vacated it if (source >= kSourceCount) source = kSourcePattern; // a config restored from a capture-capable board if (source == kSourceUsb) { + // Resolve the selected row FIRST: usbWidth/Height are what captureCurrent() compares + // against, and they only ever moved inside openCapture(). A restored usbFormat that + // arrives after the first prepare would otherwise never reach them, so the check would + // keep reporting the stale request as current and never reopen. + applyFormat(); // Every tree-wide rebuild lands here too (a layout resized, a module added), and the // device stays open through those: a reopen drops the published frame and blocks on // negotiation. It happens only for what actually changed the request. @@ -148,11 +161,21 @@ class VideoService : public MoonModule { /// prepare() on the render thread: the only thread that may open or close the device, and the /// one path by which a device that came back is picked up again. void tick1s() MM_NONBLOCKING override { - if (source == kSourceUsb && platform::videoCaptureFormatGeneration() != formatGen_) + if (source == kSourceUsb && (platform::videoCaptureFormatGeneration() != formatGen_ || selectionStale())) if (Scheduler* s = Scheduler::instance()) s->requestPrepareTree(); MoonModule::tick1s(); } + /// Does the selected row disagree with what is actually open? Boot restores control VALUES + /// after prepare() has already run, so a persisted `usbFormat` arrives too late to reach the + /// device: prepare opened row 0 and nothing asked it to look again. Watching the generation + /// alone never catches that, because no device came or went. Four int compares. + bool selectionStale() const MM_NONBLOCKING { + if (!capture_.impl || usbFormat >= formatCount_) return false; + const platform::VideoCaptureFormat& f = formats_[usbFormat]; + return f.width != opened_.width || f.height != opened_.height || f.fps != opened_.fps; + } + void release() override { closeCapture(); // drops the published frame too, whichever source it came from seat_.vacate(); @@ -231,7 +254,10 @@ class VideoService : public MoonModule { formats_[i].height, formats_[i].fps); formatOptions_[i] = formatLabels_[i]; } - if (usbFormat >= formatCount_) usbFormat = 0; + // Only once there IS a list. An empty one means the device has not enumerated yet, not + // that the pick is invalid: clamping against 0 threw away a restored index every boot, and + // the reopen that would have applied it never ran, so the stream stayed on row 0. + if (formatCount_ && usbFormat >= formatCount_) usbFormat = 0; // On the GENERATION, not the count: a replacement device advertising the same number of // different formats overwrites the labels in place, and a client with no schema resync // would go on offering the old ones. @@ -271,9 +297,14 @@ class VideoService : public MoonModule { platform::VideoCaptureFormat opened_ = {}; // the request the open device was made with // Derived from the selected row, never typed: what actually gets requested of the device, and - // the opening bid before one has listed its formats. 16:9 on purpose: a 4:3 capture makes a - // 16:9 source letterbox into it, and the border zones then average bars instead of picture. - uint16_t usbWidth = 848; + // the opening bid before one has listed its formats. 640x480 because almost every UVC device + // offers it, and a bid nothing offers costs a full uvc_host_stream_open timeout (3 s) at every + // boot before the real list can be read: an MS2130 grabber has no 848x480 at all. + // + // It is 4:3, and a 16:9 source letterboxes into it, so the top and bottom zones would average + // bars rather than picture. That only applies to this first probe: the moment the device lists + // its formats, `usbFormat` picks the row, and a 16:9 one should be chosen there. + uint16_t usbWidth = 640; uint16_t usbHeight = 480; uint8_t usbFps = 60; @@ -281,7 +312,7 @@ class VideoService : public MoonModule { uint16_t shownW_ = 0, shownH_ = 0; // the dimensions the status last reported static constexpr int kMaxHeaderBytes = 256; // room for a comment, and its own error if not - static constexpr uint8_t kMaxFormats = 24; + static constexpr uint8_t kMaxFormats = platform::kVideoCaptureMaxFormats; platform::VideoCaptureFormat formats_[kMaxFormats] = {}; char formatLabels_[kMaxFormats][24] = {}; const char* formatOptions_[kMaxFormats] = {}; @@ -290,6 +321,10 @@ class VideoService : public MoonModule { ScratchBuffer buf_{*this}; // width*height*3, accounted in dynamicBytes() VideoFrame frame_; uint32_t seq_ = 0; + // Sweep position in 1/1000 px and the millis() it was last advanced at. Milli-pixels because a + // per-second rate sampled per tick rounds to zero motion in whole pixels at 1 px/s. + uint32_t sweepMilliPx_ = 0; + uint32_t sweepAtMs_ = 0; char status_[24] = {}; /// Drop the published frame and say why. Returns false so every failing path reads as one line, @@ -324,8 +359,14 @@ class VideoService : public MoonModule { void renderPattern() { uint8_t* p = buf_.data(); if (!p) return; - // One sweep every ~4 s, so motion is obvious without being frantic. - const int sweepX = static_cast((platform::millis() / 60u) % kPatternW); + // An accumulator fed by elapsed time, not a position derived from millis(): a derived one + // jumps the block the instant the rate changes and cannot express "stopped" at all. + const uint32_t now = platform::millis(); + if (sweepAtMs_ == 0) sweepAtMs_ = now; // first frame: no elapsed time to charge for + const uint32_t elapsed = now - sweepAtMs_; + sweepAtMs_ = now; + if (patternSpeed) sweepMilliPx_ = (sweepMilliPx_ + elapsed * patternSpeed) % (kPatternW * 1000u); + const int sweepX = static_cast(sweepMilliPx_ / 1000u); for (int y = 0; y < kPatternH; y++) { for (int x = 0; x < kPatternW; x++) { // A white block riding the top edge: shows liveness, and which way "forward" runs. diff --git a/src/light/effects/AmbilightEffect.h b/src/light/effects/AmbilightEffect.h index 6f9bd807..36aa6110 100644 --- a/src/light/effects/AmbilightEffect.h +++ b/src/light/effects/AmbilightEffect.h @@ -34,7 +34,6 @@ class AmbilightEffect : public EffectBase { uint8_t saturation = 130; // percent of the distance from gray; 100 = the mean untouched uint8_t smoothing = 0; // 0 = follow the frame exactly; higher = slower to move uint8_t snapAbove = 80; // jump rather than smooth when a channel moves further than this; 0 = never - uint16_t fadeInMs = 0; // ramp up from black over this long when a picture first arrives; 0 = off uint8_t edgeDepth = 0; // percent of the frame the OUTERMOST positions look in; 0 = their own share bool detectBlackBars = false; // find the letterbox and map the lights across the picture uint8_t barLevel = 12; // a channel at or below this counts as bar; ~5%, for compression noise @@ -46,8 +45,6 @@ class AmbilightEffect : public EffectBase { // A cut is a real jump, and smoothing through it reads as the lights lagging the picture. controls_.addControl("snapAbove", snapAbove, 0, 255); controls_.setHidden(controls_.count() - 1, smoothing == 0); - // Its own control because smoothing lags the COLOR and this ramps the LEVEL. - controls_.addControl("fadeInMs", fadeInMs, 0, 10000); controls_.addControl("edgeDepth", edgeDepth, 0, 50); // Hyperion samples ~8% // - a letterboxed film puts bars where the top and bottom lights look, so they go dark // - edgeDepth cannot help: it widens a zone from the edge, so the bar stays inside it @@ -104,7 +101,8 @@ class AmbilightEffect : public EffectBase { bool columnLit(const MappingLUT& lut, size_t i, size_t slice) const MM_NONBLOCKING { const lengthType d = depth(); for (lengthType z = 0; z < d; z++) - if (lut.hasDestination(static_cast(i + static_cast(z) * slice))) return true; + if (lut.hasDestination(static_cast(i + static_cast(z) * slice))) + return true; return false; } @@ -132,22 +130,20 @@ class AmbilightEffect : public EffectBase { if (region.width <= 0 || region.height <= 0) return; const bool canSmooth = smootherReady(lightsX, lightsY); - if (!primed_) fadeStart_ = elapsed(); // a picture arriving after a gap restarts the ramp - const uint16_t level = fadeLevel(); // Three ways to reach the same set of positions, cheapest first. if (allLit_) { // Nothing to skip: the plain box, no clear, no mapping queries. for (lengthType y = 0; y < lightsY; y++) for (lengthType x = 0; x < lightsX; x++) - paint(out, *frame, region, x, y, lightsX, lightsY, canSmooth, level); + paint(out, *frame, region, x, y, lightsX, lightsY, canSmooth); } else if (lit_) { // The list. Unlit positions are never written, so they keep the black // Layer::prepare() left on the rebuild this effect's prepare() rode in on, BlendMap // never reads them, but PreviewDriver shows the raw buffer and must not see a ghost. for (size_t i = 0; i < litCount_; i++) paint(out, *frame, region, static_cast(lit_[i] & 0xFFFF), - static_cast(lit_[i] >> 16), lightsX, lightsY, canSmooth, level); + static_cast(lit_[i] >> 16), lightsX, lightsY, canSmooth); } else { // The list could not be allocated. Same output, asking the mapping per position - // which is the cost the list exists to avoid. @@ -157,7 +153,7 @@ class AmbilightEffect : public EffectBase { for (lengthType y = 0; y < lightsY; y++) for (lengthType x = 0; x < lightsX; x++) if (columnLit(lut, static_cast(y) * lightsX + x, slice)) - paint(out, *frame, region, x, y, lightsX, lightsY, canSmooth, level); + paint(out, *frame, region, x, y, lightsX, lightsY, canSmooth); } primed_ = true; } @@ -182,13 +178,11 @@ class AmbilightEffect : public EffectBase { Span rows(int y, int lightsY) const { return spanFor(y, lightsY, height, deepY).shifted(top); } }; - /// One light position: average its pixels, correct, smooth, level, write. + /// One light position: average its pixels, correct, smooth, write. void paint(const draw::Canvas& out, const VideoFrame& frame, const Region& region, lengthType x, - lengthType y, lengthType lightsX, lengthType lightsY, bool canSmooth, - uint16_t level) MM_NONBLOCKING { + lengthType y, lengthType lightsX, lengthType lightsY, bool canSmooth) MM_NONBLOCKING { RGB color = adjust(meanOf(frame, region.cols(x, lightsX), region.rows(y, lightsY))); if (canSmooth) color = smooth(static_cast(y) * lightsX + x, color); - if (level != 256) color = dim(color, level); draw::pixel(out, {x, y, 0}, color); } @@ -348,20 +342,6 @@ class AmbilightEffect : public EffectBase { return c; } - /// How far up the ramp this frame is, 256 (unity) once it is over or when fadeInMs is 0. - /// Unsigned subtraction, so the millisecond counter wrapping costs one frame at full level. - uint16_t fadeLevel() const MM_NONBLOCKING { - if (!fadeInMs) return 256; - const uint32_t since = elapsed() - fadeStart_; - return since < fadeInMs ? static_cast((since * 256u) / fadeInMs) : 256; - } - - /// Scale by `level`/256, the fade-in envelope. - static RGB dim(RGB c, uint16_t level) MM_NONBLOCKING { - return {static_cast((c.r * level) >> 8), static_cast((c.g * level) >> 8), - static_cast((c.b * level) >> 8)}; - } - /// Walk each channel a fraction of the way toward `color`. The state is 8.8 so the fraction of /// a step survives between frames: in whole bytes a slow setting rounds every step to zero. RGB smooth(size_t lightId, RGB color) MM_NONBLOCKING { @@ -397,7 +377,6 @@ class AmbilightEffect : public EffectBase { ScratchBuffer state_{*this}; // 8.8 per channel per light position, while smoothing is on bool primed_ = false; // false until one frame has been written uint32_t lastSeq_ = 0; // the frame already on the strip - uint32_t fadeStart_ = 0; // millis() when the current picture first arrived }; } // namespace mm diff --git a/src/platform/esp32/platform_esp32_usbvideo.cpp b/src/platform/esp32/platform_esp32_usbvideo.cpp index 702df515..612e68f1 100644 --- a/src/platform/esp32/platform_esp32_usbvideo.cpp +++ b/src/platform/esp32/platform_esp32_usbvideo.cpp @@ -25,6 +25,7 @@ #if defined(CONFIG_IDF_TARGET_ESP32P4) #include "driver/jpeg_decode.h" +#include "esp_heap_caps.h" #include "esp_log.h" #include "usb/usb_host.h" #include "usb/uvc_host.h" @@ -33,7 +34,9 @@ #include "freertos/semphr.h" #include "freertos/task.h" +#include #include +#include namespace mm::platform { namespace { @@ -77,7 +80,7 @@ struct Capture { // What the attached device advertises. File scope rather than inside Capture because it is learned // from the driver event, which fires before a stream exists and outlives a failed open. -constexpr size_t kMaxFormats = 24; +constexpr size_t kMaxFormats = kVideoCaptureMaxFormats; uvc_host_frame_info_t frameList[kMaxFormats]; // file scope: too big for the driver task's stack // A seqlock. Two banks are not enough: a reader loads bank 0, one connect event publishes bank 1, @@ -91,6 +94,7 @@ struct FormatBank { std::atomic width[kMaxFormats]; std::atomic height[kMaxFormats]; std::atomic fps[kMaxFormats]; + std::atomic interval[kMaxFormats]; // as published: `fps` is rounded for the UI std::atomic count{0}; }; FormatBank formatBank; @@ -168,6 +172,7 @@ void addAdvertised(const uvc_host_frame_info_t& info, uint32_t interval, size_t& formatBank.width[n].store(w, std::memory_order_relaxed); formatBank.height[n].store(h, std::memory_order_relaxed); formatBank.fps[n].store(fps, std::memory_order_relaxed); + formatBank.interval[n].store(interval, std::memory_order_relaxed); n++; ESP_LOGI(kTag, "offers MJPEG %ux%u @ %u fps", w, h, fps); } @@ -216,10 +221,18 @@ void onEvent(const uvc_host_stream_event_data_t* event, void*) { if (event->type == UVC_HOST_DEVICE_DISCONNECTED) ESP_LOGW(kTag, "capture device disconnected"); } +// RGB888 bytes the decoder writes for a w x h JPEG: both axes padded to the 16-pixel MCU +// (jpeg_decoder_process, note 2). Sized w*h*3, 800x600 overruns by 19200 bytes and every frame fails. +size_t decodedBytes(uint16_t w, uint16_t h) { + const size_t aw = (static_cast(w) + 15) & ~static_cast(15); + const size_t ah = (static_cast(h) + 15) & ~static_cast(15); + return aw * ah * 3; +} + // One set of slots per open, sized from the format the device agreed to. Called from init only, // before the decoder task exists, so nothing can be reading a slot while it is (re)written. bool allocSlots(Capture& cap, uint16_t w, uint16_t h) { - const size_t need = static_cast(w) * h * 3; + const size_t need = decodedBytes(w, h); jpeg_decode_memory_alloc_cfg_t memCfg = {}; memCfg.buffer_direction = JPEG_DEC_ALLOC_OUTPUT_BUFFER; for (int i = 0; i < kSlots; i++) { @@ -245,11 +258,55 @@ int freeSlot(const Capture& cap) { return -1; } +// UVC payload header (UVC 1.5 2.4.3.3): bLength 12 when PTS and SCR are present, EOH set, SCR's +// top 5 reserved bits zero. `pts` pins later headers to the frame's first one: PTS is constant +// across one frame's payloads. +constexpr size_t kPayloadHeaderLen = 12; +constexpr size_t kBulkMps = 512; // high-speed bulk + +bool isPayloadHeader(const uint8_t* h, size_t avail, const uint8_t* pts) { + constexpr uint8_t kEoh = 0x80, kErr = 0x40, kScr = 0x08, kPts = 0x04, kEof = 0x02; + return avail >= kPayloadHeaderLen && h[0] == kPayloadHeaderLen && + (h[1] & (kEoh | kErr | kScr | kPts | kEof)) == (kEoh | kScr | kPts) && !(h[11] & 0xF8) && + (!pts || memcmp(h + 2, pts, 4) == 0); +} + +// Drops the payload headers usb_host_uvc leaves inside a bulk frame and returns the new length. +// uvc_bulk.c strips a header only after a short transfer; a device whose payload is a multiple of +// the packet size never sends one between payloads, so every header after the first stays in the +// bitstream at stride `payload` and the decoder fails from there down. The stride is not exposed by +// the driver, so it is read off the first header, which can only sit 12 bytes before a packet end. +// A candidate is confirmed by the header that must follow it one stride on, when the frame is long +// enough to hold one: entropy-coded bytes pass the field checks about once per 2^18 tries. +size_t stripPayloadHeaders(uint8_t* d, size_t len) { + size_t hdr = 0; + for (size_t i = kBulkMps - kPayloadHeaderLen; !hdr && i + kPayloadHeaderLen < len; i += kBulkMps) { + if (!isPayloadHeader(d + i, len - i, nullptr)) continue; + const size_t next = 2 * i + kPayloadHeaderLen; + if (next + kPayloadHeaderLen > len || isPayloadHeader(d + next, len - next, d + i + 2)) hdr = i; + } + if (!hdr) return len; + const size_t payload = hdr + kPayloadHeaderLen; + uint8_t pts[4]; // copied: the compaction overwrites the header it came from + memcpy(pts, d + hdr + 2, sizeof pts); + size_t w = hdr, r = hdr; + while (isPayloadHeader(d + r, len - r, pts)) { + r += kPayloadHeaderLen; + const size_t run = std::min(payload - kPayloadHeaderLen, len - r); + memmove(d + w, d + r, run); + w += run; + r += run; + } + memmove(d + w, d + r, len - r); // whatever follows a missing header is left as delivered + return w + (len - r); +} + void decode(Capture& cap, uvc_host_frame_t* frame) { + const size_t len = stripPayloadHeaders(frame->data, frame->data_len); // Dimensions from the bitstream, not from the request: a device may negotiate something else. jpeg_decode_picture_info_t info = {}; - if (jpeg_decoder_get_info(frame->data, frame->data_len, &info) != ESP_OK) return; - if (static_cast(info.width) * info.height * 3 > cap.rgbCap) { + if (jpeg_decoder_get_info(frame->data, len, &info) != ESP_OK) return; + if (decodedBytes(static_cast(info.width), static_cast(info.height)) > cap.rgbCap) { ESP_LOGW(kTag, "frame %ux%u exceeds the buffers sized at open", info.width, info.height); return; } @@ -262,8 +319,8 @@ void decode(Capture& cap, uvc_host_frame_t* frame) { decodeCfg.rgb_order = JPEG_DEC_RGB_ELEMENT_ORDER_RGB; decodeCfg.conv_std = JPEG_YUV_RGB_CONV_STD_BT601; uint32_t outSize = 0; - if (jpeg_decoder_process(cap.jpeg, &decodeCfg, frame->data, frame->data_len, cap.rgb[slot], cap.rgbCap, - &outSize) != ESP_OK) + if (jpeg_decoder_process(cap.jpeg, &decodeCfg, frame->data, len, cap.rgb[slot], cap.rgbCap, &outSize) != + ESP_OK) return; cap.width[slot] = static_cast(info.width); @@ -324,7 +381,9 @@ bool ensureUvcHost() { bool createJpeg(Capture& cap) { jpeg_decode_engine_cfg_t jpegCfg = {}; - jpegCfg.timeout_ms = 40; + // 200, not 40: the timeout aborts the 2D-DMA mid-frame, and writing 6.2 MB of 1080p RGB into + // PSRAM alone takes ~34 ms. At 40 ms only 14% of intact frames survived. + jpegCfg.timeout_ms = 200; if (jpeg_new_decoder_engine(&jpegCfg, &cap.jpeg) == ESP_OK) return true; ESP_LOGE(kTag, "no JPEG decoder engine"); return false; @@ -338,6 +397,20 @@ bool createSignals(Capture& cap) { return false; } +// The published interval of a row as the float the driver compares against; 0 (device default) +// when the row is unknown, so the request still opens at that resolution. +float exactFpsFor(uint16_t w, uint16_t h, uint8_t fps) { + const size_t n = formatBank.count.load(std::memory_order_acquire); + for (size_t i = 0; i < n && i < kMaxFormats; i++) { + if (formatBank.width[i].load(std::memory_order_relaxed) != w) continue; + if (formatBank.height[i].load(std::memory_order_relaxed) != h) continue; + if (formatBank.fps[i].load(std::memory_order_relaxed) != fps) continue; + const uint32_t iv = formatBank.interval[i].load(std::memory_order_relaxed); + if (iv) return 10000000.0f / static_cast(iv); + } + return 0.0f; +} + bool openStream(Capture& cap, uint16_t width, uint16_t height, uint8_t fps) { uvc_host_stream_config_t streamCfg = {}; streamCfg.event_cb = onEvent; @@ -351,11 +424,18 @@ bool openStream(Capture& cap, uint16_t width, uint16_t height, uint8_t fps) { streamCfg.usb.uvc_stream_index = kStreamIndex; streamCfg.vs_format.h_res = width; streamCfg.vs_format.v_res = height; - streamCfg.vs_format.fps = fps; // negotiated down to what the device offers + // The device's own interval, not the rounded fps: the driver matches within 0.0001 fps, so a + // 59.94 mode never matches a requested 60. + streamCfg.vs_format.fps = exactFpsFor(width, height, fps); streamCfg.vs_format.format = UVC_VS_FORMAT_MJPEG; - // urb_size and frame_size left at 0: the driver then derives them from what this device - // actually negotiated, which beats any constant here. + // urb_size left at 0 (4x MPS): the driver's default, and every urb is internal SRAM. + // number_of_urbs has no default: 0 is malloc(0), and the open fails with ESP_ERR_NO_MEM. + streamCfg.advanced.number_of_urbs = 4; streamCfg.advanced.number_of_frame_buffers = 3; + // frame_size 0 means dwMaxVideoFrameSize, the UNCOMPRESSED size: 3 x 4.1 MB at 1080p for MJPEG + // frames of 40-76 KB. Half of it still leaves an order of magnitude of headroom. + streamCfg.advanced.frame_size = static_cast(width) * height / 2; + streamCfg.advanced.frame_heap_caps = MALLOC_CAP_SPIRAM; // keep the internal heap for USB and WiFi // Wait rather than fail: the host enumerates asynchronously, so a device plugged in at boot // is usually not ready when this runs. The driver takes ticks, not milliseconds. diff --git a/src/platform/platform.h b/src/platform/platform.h index e9f5c2b7..a2607be4 100644 --- a/src/platform/platform.h +++ b/src/platform/platform.h @@ -1496,6 +1496,10 @@ struct VideoCaptureFormat { uint8_t fps = 0; }; +// Rows kept per device. A grabber lists its modes largest first, so a cap that is too low hides +// exactly the cheap ones. +constexpr size_t kVideoCaptureMaxFormats = 64; + // Fills `out` with up to `max` of those rows and returns how many were written. Learned when a // device enumerates, so it survives a failed videoCaptureInit, which is exactly when it is worth // reading. 0 means no device has been seen yet. diff --git a/test/scenarios/light/scenario_Video_mutation.json b/test/scenarios/light/scenario_Video_mutation.json index e101d1ee..12cd1d3e 100644 --- a/test/scenarios/light/scenario_Video_mutation.json +++ b/test/scenarios/light/scenario_Video_mutation.json @@ -170,12 +170,12 @@ } }, { - "name": "configure-consumer-fade", - "description": "Configure the consumer while it renders: the fade ramp, which restarts from the current elapsed() rather than resetting the pipeline.", + "name": "configure-consumer-brightness", + "description": "Configure the consumer while it renders: a plain scalar write that touches no buffer, so the resize in the next step is the only allocation under test.", "op": "set_control", "id": "Ambi", - "key": "fadeInMs", - "value": 500 + "key": "brightness", + "value": 200 }, { "name": "configure-consumer-smoothing", diff --git a/test/unit/core/unit_VideoService.cpp b/test/unit/core/unit_VideoService.cpp index 9303a3ef..3e6453d0 100644 --- a/test/unit/core/unit_VideoService.cpp +++ b/test/unit/core/unit_VideoService.cpp @@ -151,3 +151,34 @@ TEST_CASE("VideoService PPM: the separator must be whitespace, not merely presen CHECK(parse("P6\n2 2\n255X", w, h) == -1); CHECK(parse("P6\n2 2\n255\n", w, h) == 11); // the same header with a real separator } + +// The sweep is a RATE, not a phase of the clock: it advances by the time elapsed between frames at +// patternSpeed pixels per second, so a rate change moves smoothly rather than jumping, and 0 parks +// the block. That is what makes the pattern a still reference for checking one border light. +TEST_CASE("VideoService: the test pattern sweeps at patternSpeed pixels per second, and 0 parks it") { + struct ClockGuard { ~ClockGuard() { mm::platform::setTestNowMs(0); } } guard; + // Column of the white block on the top row, which is otherwise the red band. + auto sweepX = [] { + const mm::VideoFrame* f = VideoService::latestFrame(); + for (int x = 0; x < f->width; x++) + if (f->rgb[static_cast(x) * 3 + 1] == 255) return x; + return -1; + }; + + mm::platform::setTestNowMs(1000); + VideoService v; + v.source = VideoService::kSourcePattern; + v.patternSpeed = 10; + v.applyState(); // the first frame takes the clock and charges nothing + const int start = sweepX(); + REQUIRE(start >= 0); + + mm::platform::setTestNowMs(1500); // 0.5 s at 10 px/s + v.tick(); + CHECK(sweepX() == (start + 5) % VideoService::kPatternW); + + v.patternSpeed = 0; + mm::platform::setTestNowMs(4000); + v.tick(); + CHECK(sweepX() == (start + 5) % VideoService::kPatternW); // parked, however long passes +} diff --git a/test/unit/core/unit_moonlive_fill.cpp b/test/unit/core/unit_moonlive_fill.cpp index 2fac38a3..c051647b 100644 --- a/test/unit/core/unit_moonlive_fill.cpp +++ b/test/unit/core/unit_moonlive_fill.cpp @@ -846,7 +846,7 @@ TEST_CASE("every scalar member takes a whole slot whatever its type") { // A control no longer declares a width to keep in step with its member: ONE call surfaces any // member and reads the widget from the member's own type, so the pair that could disagree is gone. -// What survives is the range check — a range past what the member's type holds is refused rather +// What survives is the range check: a range past what the member's type holds is refused rather // than truncated, because a slider whose top silently wraps is worse than one that never appears. TEST_CASE("a control takes any scalar member, but not a range its type cannot hold") { moonlive::MoonLive eng; @@ -887,8 +887,8 @@ TEST_CASE("a control takes any scalar member, but not a range its type cannot ho eng2.free(); } -// The point of an `int` member: a script exposes a value a byte cannot hold — a dwell time, a -// 0..1000 scale — as ONE control, instead of packing it into two byte sliders. The declaration +// The point of an `int` member: a script exposes a value a byte cannot hold (a dwell time, a +// 0..1000 scale) as ONE control, instead of packing it into two byte sliders. The declaration // reaches the binding with its full range intact, and the live value spans the member's whole slot. TEST_CASE("an int member is published as a control spanning its full range") { moonlive::MoonLive eng; diff --git a/test/unit/core/unit_moonlive_ir.cpp b/test/unit/core/unit_moonlive_ir.cpp index 1a41f126..68758ee4 100644 --- a/test/unit/core/unit_moonlive_ir.cpp +++ b/test/unit/core/unit_moonlive_ir.cpp @@ -151,7 +151,7 @@ TEST_CASE("MoonLive control: a declared control reads the arena live (no recompi arena[0] = 5; std::fill(buf.begin(), buf.end(), 0); fn(buf.data(), 16, 3, 0, arena); CHECK(firstLit(buf) == 5); // control value selects the pixel arena[0] = 9; std::fill(buf.begin(), buf.end(), 0); fn(buf.data(), 16, 3, 0, arena); - CHECK(firstLit(buf) == 9); // changed the arena slot only — NO recompile + CHECK(firstLit(buf) == 9); // changed the arena slot only, NO recompile arena[0] = 0; std::fill(buf.begin(), buf.end(), 0); fn(buf.data(), 16, 3, 0, arena); CHECK(firstLit(buf) == 0); platform::freeExec(blk, r.len); diff --git a/test/unit/light/unit_AmbilightEffect.cpp b/test/unit/light/unit_AmbilightEffect.cpp index 8fae00ec..5888bf3c 100644 --- a/test/unit/light/unit_AmbilightEffect.cpp +++ b/test/unit/light/unit_AmbilightEffect.cpp @@ -24,10 +24,6 @@ namespace platform = mm::platform; namespace { -// Restore the real clock after any test that froze it, so a frozen value cannot leak into -// order-dependent neighbors. -struct ClockGuard { ~ClockGuard() { mm::platform::setTestNowMs(0); } }; - // A live VideoService in test-pattern mode: red top band, blue bottom, yellow left, green right. // Its seat is claimed on construction and vacated on destruction, so each case starts clean. struct PatternSource { @@ -265,56 +261,6 @@ TEST_CASE("AmbilightEffect: a heavily smoothed light converges exactly, rising a CHECK(rig.px(4, 0)[0] == bright); } -// The soft start rides OUTSIDE the smoother: the accumulators keep tracking the true picture while -// only the emitted level ramps. Off by default, so the picture lands at full the moment it arrives. -TEST_CASE("AmbilightEffect: fadeInMs off means the first picture lands at full level") { - PatternSource src; - Rig instant(8, 8), faded(8, 8); - instant.fx.saturation = 100; - faded.fx.saturation = 100; - faded.fx.fadeInMs = 0; - instant.render(); - faded.render(); - CHECK(std::memcmp(instant.px(4, 0), faded.px(4, 0), 3) == 0); -} - -// With a ramp set, the first frame must be dark and later frames brighter: the whole point being -// that a room does not jump to full brightness the instant a console wakes up. -// -// The clock is DRIVEN: a real-time loop outruns a 4000 ms ramp and leaves the level where it -// started. The no-ramp rig alongside is the target, sampled from the same frame at the same -// instant, so the pattern's moving sweep cannot read as the envelope. -TEST_CASE("AmbilightEffect: fadeInMs ramps the first frames up from black") { - ClockGuard guard; - PatternSource src; - Rig faded(8, 8), target(8, 8); - faded.fx.saturation = 100; - faded.fx.fadeInMs = 4000; - target.fx.saturation = 100; - target.fx.fadeInMs = 0; // no envelope: what the faded rig has to arrive at - - platform::setTestNowMs(1000); // fadeStart_ is taken here, so the ramp opens at zero - faded.render(); - target.render(); - const uint8_t start = faded.px(4, 0)[0]; - CHECK(start == 0); // the envelope is shut at t = fadeStart - CHECK(target.px(4, 0)[0] > 0); // ...and there is really a picture behind it - - platform::setTestNowMs(3000); // half of a 4000 ms ramp - src.svc.tick(); // one new frame, which both rigs then read - faded.tickOnly(); - target.tickOnly(); - const uint8_t mid = faded.px(4, 0)[0], midTarget = target.px(4, 0)[0]; - CHECK(mid > start); // it MOVED - CHECK(mid < midTarget); // and has not arrived yet - - platform::setTestNowMs(5001); // past the end of the ramp - src.svc.tick(); - faded.tickOnly(); - target.tickOnly(); - CHECK(faded.px(4, 0)[0] == target.px(4, 0)[0]); // arrives, not merely stays under -} - // --- edgeDepth --------------------------------------------------------------------------------- // A border light's own share is 1/height of the frame: a sliver at the very edge. edgeDepth lets // the outermost positions reach further in without changing how many of them there are. diff --git a/test/unit/light/unit_NdiDriver.cpp b/test/unit/light/unit_NdiDriver.cpp index de678e59..33fcdd0a 100644 --- a/test/unit/light/unit_NdiDriver.cpp +++ b/test/unit/light/unit_NdiDriver.cpp @@ -18,7 +18,7 @@ namespace { // The NDI seams and virtual time are process-global, so a REQUIRE that aborts mid-case would -// strand a forced mode (or a frozen clock) for whichever test runs next — the classic +// strand a forced mode (or a frozen clock) for whichever test runs next: the classic // passes-alone / fails-in-sequence flake. A scope guard restores both however the case leaves. struct NdiSeamGuard { explicit NdiSeamGuard(mm::platform::NdiTestMode mode) { @@ -60,7 +60,7 @@ void setUp(mm::NdiDriver& driver, mm::Buffer& source, Wall& wall, mm::nrOfLights mm::platform::ndiTestClearFrames(); } -// Paint light `i` a flat colour, so a test can name the bytes it expects back. +// Paint light `i` a flat color, so a test can name the bytes it expects back. void paint(mm::Buffer& b, mm::nrOfLightsType i, uint8_t r, uint8_t g, uint8_t bl) { uint8_t* p = b.data() + static_cast(i) * 3; p[0] = r; p[1] = g; p[2] = bl; @@ -159,7 +159,7 @@ TEST_CASE("NdiDriver holds its frame rate to the fps ceiling") { CHECK(mm::platform::ndiTestFrameCount() == 2); } -// A blank sourceName means the device's own name — what a user scanning a receiver's source list +// A blank sourceName means the device's own name: what a user scanning a receiver's source list // expects to find, rather than an empty entry. TEST_CASE("NdiDriver names the source after the device when left blank") { NdiSeamGuard seam{mm::platform::NdiTestMode::ForceAvailable}; @@ -176,7 +176,7 @@ TEST_CASE("NdiDriver names the source after the device when left blank") { CHECK(std::string(mm::platform::ndiTestSenderName()) == "Wall"); } -// A layer smaller than the frame must not leak the previous frame's pixels into the tail — a +// A layer smaller than the frame must not leak the previous frame's pixels into the tail: a // shrunk layout should go dark there, not show stale image. TEST_CASE("NdiDriver blanks the tail when the layer is smaller than the frame") { NdiSeamGuard seam{mm::platform::NdiTestMode::ForceAvailable}; From 886288cc3863aaead55a7ed78cf8e7717051a2bd Mon Sep 17 00:00:00 2001 From: Shura Fedorovskyi Date: Tue, 22 Sep 2026 16:31:09 +0400 Subject: [PATCH 22/25] Read an HDR capture through its own transfer curve Co-Authored-By: Claude Opus 5 (1M context) --- docs/moonmodules/core/services.md | 2 + src/core/VideoFrame.h | 8 ++++ src/core/VideoService.h | 61 +++++++++++++++++++++++++++- src/light/effects/AmbilightEffect.h | 6 +-- test/unit/core/unit_VideoService.cpp | 45 ++++++++++++++++++++ 5 files changed, 118 insertions(+), 4 deletions(-) diff --git a/docs/moonmodules/core/services.md b/docs/moonmodules/core/services.md index 74720232..46251e6e 100644 --- a/docs/moonmodules/core/services.md +++ b/docs/moonmodules/core/services.md @@ -47,6 +47,8 @@ A Service (added by the user, not auto-wired): the video source that feeds scree - `reload`: (file) re-read the file in place, without rebuilding the pipeline. - `offered`: (usb) the resolution and frame rate to request, chosen from what the attached device advertises. Read-only until one enumerates, since the device decides what is on the list. - `staleMs`: (usb) how long a gap in frames is tolerated before the lights go dark. A UVC device streams continuously whatever is on the wire, so a gap means the grabber stopped, not that the content paused. +- `hdr`: (usb) the source's transfer curve: `off`, `HDR10 (PQ)` or `HLG`. MJPEG carries no HDR metadata, so it is declared, not detected. With an HDR source left at `off`, the lights read washed out and hue-shifted (green lifted against red is the usual sign), because the bytes are averaged on the HDR curve rather than the display's. +- `hdrNits`: (usb, PQ only) the reference white PQ's absolute luminance is scaled to. Too low and bright channels clamp, dragging saturated hues toward their neighbors; too high and the picture reads dim. HLG is relative and does not use it. - status: the live frame's dimensions (`640x480`), or the reason there is no frame. **The test pattern is a diagnostic, not decoration.** Four colored border bands (red top, green right, blue bottom, yellow left) and a white block sweeping along the top edge. On a border-mounted strip that makes orientation self-evident: a mis-set `startCorner` or `clockwise` on the [Rectangle](../light/layouts.md#rectangle) layout shows as the wrong physical edge lighting, rather than a subtly wrong picture. The sweeping block shows liveness and which way "forward" runs. diff --git a/src/core/VideoFrame.h b/src/core/VideoFrame.h index 941e2419..4faa81d4 100644 --- a/src/core/VideoFrame.h +++ b/src/core/VideoFrame.h @@ -17,6 +17,14 @@ struct VideoFrame { // Bumped per PUBLISHED frame; compare for INEQUALITY, never ordering. A still PPM bumps it // every tick, the way a camera aimed at a still object sends one every period. uint32_t seq = 0; + // 256-entry per-channel curve to display encoding; null = the bytes already are. Same one-tick + // lifetime as `rgb`. Read pixels through channel(): a consumer that indexes `rgb` directly + // averages an HDR source on its own curve and gets a hue shift. + const uint8_t* tone = nullptr; + + /// One channel byte of the pixel at `px`, display-encoded. One cached lookup when `tone` is set: + /// applied on the read a consumer already makes, so no extra pass over the frame. + uint8_t channel(const uint8_t* px, int c) const { return tone ? tone[px[c]] : px[c]; } }; // The "no source" frame consumers fall back to. diff --git a/src/core/VideoService.h b/src/core/VideoService.h index 24114716..afdcf1ce 100644 --- a/src/core/VideoService.h +++ b/src/core/VideoService.h @@ -8,6 +8,7 @@ #include "core/VideoFrame.h" #include "platform/platform.h" // fsSize / fsReadAt / millis +#include #include #include #include @@ -49,6 +50,16 @@ class VideoService : public MoonModule { char file[64] = "/frame.ppm"; uint8_t usbFormat = 0; // index into the device's advertised list; the only USB setting persisted uint16_t staleMs = 2000; // gap tolerated before the lights go dark + + // The source's transfer curve. MJPEG carries no HDR metadata, so this is declared, not + // detected. + static constexpr uint8_t kHdrOff = 0, kHdrPq = 1, kHdrHlg = 2; + static constexpr const char* kHdrOptions[] = {"off", "HDR10 (PQ)", "HLG"}; + static constexpr uint8_t kHdrCount = 3; + uint8_t hdr = kHdrOff; + // PQ is absolute luminance, so it needs a reference white. Too low and bright channels clamp, + // dragging saturated hues toward their neighbors; too high and the picture reads dim. + uint16_t hdrNits = 2000; // Sweep rate of the test pattern's white block, in PIXELS PER SECOND. 0 parks it, which makes // the pattern a still reference for checking a border light against a known color. 17 is the // rate it used to be hard-coded to: a sweep every ~4 s. @@ -71,6 +82,9 @@ class VideoService : public MoonModule { return v ? &v->frame_ : &kNoVideoFrame; } + /// Test seam: the curve as built. + const uint8_t* toneForTest() const { return tone_; } + VideoService() { seat_.claim(); } void defineControls() override { @@ -97,6 +111,12 @@ class VideoService : public MoonModule { // would otherwise read as loss and strobe the room. controls_.addControl("staleMs", staleMs, 100, 10000); controls_.setHidden(controls_.count() - 1, source != kSourceUsb); + // Live: changes how the buffer is read, not its size. Capture-only; other sources are + // authored display-encoded. + controls_.addSelect("hdr", hdr, kHdrOptions, kHdrCount); + controls_.setHidden(controls_.count() - 1, source != kSourceUsb); + controls_.addControl("hdrNits", hdrNits, 100, 10000); + controls_.setHidden(controls_.count() - 1, source != kSourceUsb || hdr != kHdrPq); MoonModule::defineControls(); } @@ -110,6 +130,7 @@ class VideoService : public MoonModule { void onControlChanged(const char* name) override { if (std::strcmp(name, "reload") == 0) loadFile(); if (std::strcmp(name, "offered") == 0) applyFormat(); + if (std::strcmp(name, "hdr") == 0 || std::strcmp(name, "hdrNits") == 0) rebuildTone(); MoonModule::onControlChanged(name); } @@ -124,6 +145,7 @@ class VideoService : public MoonModule { // arrives after the first prepare would otherwise never reach them, so the check would // keep reporting the stale request as current and never reopen. applyFormat(); + rebuildTone(); // a restored `hdr` lands as a VALUE, never through onControlChanged // Every tree-wide rebuild lands here too (a layout resized, a module added), and the // device stays open through those: a reopen drops the published frame and blocks on // negotiation. It happens only for what actually changed the request. @@ -321,6 +343,7 @@ class VideoService : public MoonModule { ScratchBuffer buf_{*this}; // width*height*3, accounted in dynamicBytes() VideoFrame frame_; uint32_t seq_ = 0; + uint8_t tone_[256] = {}; // the published curve; only read while hdr != off // Sweep position in 1/1000 px and the millis() it was last advanced at. Milli-pixels because a // per-second rate sampled per tick rounds to zero motion in whole pixels at 1 px/s. uint32_t sweepMilliPx_ = 0; @@ -352,7 +375,43 @@ class VideoService : public MoonModule { /// Publish the buffer as a NEW frame: the sequence bump is what tells a consumer the pixels /// changed, so every producer path ends here (see VideoFrame::seq). - void publish() { frame_.seq = ++seq_; } + void publish() { + // Per frame, so a curve change lands on the next one with nothing to remember. + frame_.tone = (source == kSourceUsb && hdr != kHdrOff) ? tone_ : nullptr; + frame_.seq = ++seq_; + } + + /// Fill `tone_`: transfer curve -> linear, scale to the reference white, re-encode sRGB. Cold + /// path: 256 float evaluations per edit or prepare, never per frame. + void rebuildTone() { + if (hdr == kHdrOff) return; + for (int i = 0; i < 256; i++) { + const float e = static_cast(i) / 255.0f; + float lin; + if (hdr == kHdrHlg) { + // ARIB STD-B67 inverse OETF. Relative, so hdrNits does not apply. No OOTF: a + // second-order tilt that border averages do not need. + constexpr float a = 0.17883277f, b = 0.28466892f, c = 0.55991073f; + lin = e <= 0.5f ? (e * e) / 3.0f : (std::exp((e - c) / a) + b) / 12.0f; + } else { + // SMPTE ST 2084 (PQ) EOTF: absolute nits, referred to hdrNits. + constexpr float m1 = 2610.0f / 16384.0f; + constexpr float m2 = 2523.0f / 4096.0f * 128.0f; + constexpr float c1 = 3424.0f / 4096.0f; + constexpr float c2 = 2413.0f / 4096.0f * 32.0f; + constexpr float c3 = 2392.0f / 4096.0f * 32.0f; + const float p = std::pow(e, 1.0f / m2); + const float num = p > c1 ? p - c1 : 0.0f; + const float den = c2 - c3 * p; // > 0 across the whole domain + const float nits = 10000.0f * std::pow(num / den, 1.0f / m1); + lin = nits / static_cast(hdrNits ? hdrNits : 1); + } + if (lin < 0.0f) lin = 0.0f; + if (lin > 1.0f) lin = 1.0f; + const float v = lin <= 0.0031308f ? 12.92f * lin : 1.055f * std::pow(lin, 1.0f / 2.4f) - 0.055f; + tone_[i] = static_cast(v * 255.0f + 0.5f); + } + } // Four colored border bands and a sweeping white block. Integer-only and allocation-free: it // runs on the render tick. diff --git a/src/light/effects/AmbilightEffect.h b/src/light/effects/AmbilightEffect.h index 36aa6110..bd387725 100644 --- a/src/light/effects/AmbilightEffect.h +++ b/src/light/effects/AmbilightEffect.h @@ -308,9 +308,9 @@ class AmbilightEffect : public EffectBase { for (int py = rows.begin; py < rows.end; py++) { const uint8_t* px = frame.rgb + (static_cast(py) * frame.width + cols.begin) * 3; for (int pxX = cols.begin; pxX < cols.end; pxX++, px += 3) { - sr += px[0]; - sg += px[1]; - sb += px[2]; + sr += frame.channel(px, 0); + sg += frame.channel(px, 1); + sb += frame.channel(px, 2); } } const uint32_t pixels = diff --git a/test/unit/core/unit_VideoService.cpp b/test/unit/core/unit_VideoService.cpp index 3e6453d0..a8bc168d 100644 --- a/test/unit/core/unit_VideoService.cpp +++ b/test/unit/core/unit_VideoService.cpp @@ -182,3 +182,48 @@ TEST_CASE("VideoService: the test pattern sweeps at patternSpeed pixels per seco v.tick(); CHECK(sweepX() == (start + 5) % VideoService::kPatternW); // parked, however long passes } + +// Pinned to a measured case: a source showing (255,127,0) captured under PQ as (206,171,0), green +// 35% high against red. Checked as a RATIO - hdrNits sets the level, hue is what this fixes. +TEST_CASE("VideoService: the PQ tone table corrects an HDR capture's green lift") { + VideoService v; + v.source = VideoService::kSourceUsb; + v.hdr = VideoService::kHdrPq; + v.hdrNits = 2000; + v.onControlChanged("hdr"); // the path a UI edit takes + const uint8_t* t = v.toneForTest(); + REQUIRE(t != nullptr); + + const double rawRatio = 171.0 / 206.0; // as captured + const double fixed = static_cast(t[171]) / t[206]; + CHECK(rawRatio > 0.80); // the defect + CHECK(fixed < 0.62); // corrected toward 0.50 + CHECK(fixed > 0.40); // not overshot + + // Monotonic: a curve that reorders levels would posterize. + CHECK(t[0] == 0); + for (int i = 1; i < 256; i++) CHECK(t[i] >= t[i - 1]); +} + +// Off must publish nothing: a stale table would silently re-map an SDR source. +TEST_CASE("VideoService: no tone table is published unless an HDR curve is selected") { + VideoService v; + v.source = VideoService::kSourcePattern; + v.applyState(); + CHECK(VideoService::latestFrame()->tone == nullptr); +} + +// The frame carries its curve and consumers read through channel(), so every reader corrects the +// same way and none has to know which curve it is. Null means the bytes are taken as they are. +TEST_CASE("VideoFrame: channel() reads through the tone curve when one is published") { + uint8_t px[3] = {10, 20, 30}; + uint8_t tone[256]; + for (int i = 0; i < 256; i++) tone[i] = static_cast(255 - i); + mm::VideoFrame f; + f.rgb = px; + CHECK(f.channel(px, 0) == 10); + CHECK(f.channel(px, 2) == 30); + f.tone = tone; + CHECK(f.channel(px, 0) == 245); + CHECK(f.channel(px, 1) == 235); +} From e1d92fbaa4e903c80cb24deb7fd1af045bc66bf6 Mon Sep 17 00:00:00 2001 From: Shura Fedorovskyi Date: Wed, 23 Sep 2026 19:59:33 +0400 Subject: [PATCH 23/25] Average the picture as light, and give the white die its own level Video bytes are gamma-encoded, so their arithmetic mean is not the mean of the picture: half black and half white averaged to 127 where the light is 188, and a lit scene rendered as a dim mush. VideoFrame::tone now carries the source's curve to LINEAR light (12-bit, since linear has no headroom at the dark end); meanOf averages there and encodes once per light. SDR stops being the no-curve special case: sRGB is a curve like any other, and HDR had the same defect, re-encoding per pixel before averaging. whiteLevel: the W phosphor is separate hardware the RGB trims cannot reach, and it is often brighter than the trio, so whites blow out while colours look right. A fifth briLut row, pre-scaled like the balance trims so the curve still lands last and the hot path is unchanged. Priced by the limiter, or a trimmed white would be charged for current the strip never draws. Radio telemetry off the render tick. wifiStaRssi/TxPower were synchronous co-processor RPCs, 55-90 ms each on a P4, called once a second from inside the tick: measured 10% of wall clock lost to a periodic freeze. A poller task refreshes, the connect event carries BSSID and channel, the getters read a cache. Decode drops were silent. Four paths returned with no counter and no log, so a stuttering picture had nothing to look at. Counted per kind, warned once, and shown in the Video card as drop bad/noSlot/busy. Co-Authored-By: Claude Opus 5 (1M context) --- docs/moonmodules/light/drivers.md | 1 + src/core/services/VideoService.h | 43 ++++++++---- src/core/util/VideoFrame.h | 19 ++++-- src/light/drivers/Correction.h | 22 ++++--- src/light/drivers/DriverBase.h | 22 +++++-- src/light/effects/AmbilightEffect.h | 28 ++++++-- src/platform/desktop/platform_desktop.cpp | 1 + src/platform/esp32/platform_esp32.cpp | 65 ++++++++++++++----- .../esp32/platform_esp32_usbvideo.cpp | 50 ++++++++++++-- src/platform/platform.h | 18 ++++- test/unit/core/unit_VideoService.cpp | 35 ++++++---- test/unit/light/unit_AmbilightEffect.cpp | 13 ++++ test/unit/light/unit_Correction.cpp | 46 +++++++++++++ test/unit/light/unit_LightPresetsModule.cpp | 30 +++++++++ 14 files changed, 317 insertions(+), 76 deletions(-) diff --git a/docs/moonmodules/light/drivers.md b/docs/moonmodules/light/drivers.md index 1666e855..aebe4d7b 100644 --- a/docs/moonmodules/light/drivers.md +++ b/docs/moonmodules/light/drivers.md @@ -19,6 +19,7 @@ The block every driver card opens with, shown here on RMT LED. Added once by [`D - `lightPreset`: the [light preset](supporting.md) applied per light, for order and white. - `whiteMode`: how W is derived, shown when the preset carries a W channel. - `balanceRed` / `balanceGreen` / `balanceBlue`: per-channel white balance (0 to 255, `255` = untouched). Trim **down** to pull a white point neutral: leave the weakest channel at 255 and lower the other two to match. There is no headroom above 255, so raising clips rather than balances. On an RGBW fixture the trims also feed the synthesized W, so the white channel cannot carry a cast the trim just removed. +- `whiteLevel`: the white die's own trim (0 to 255, `255` = untouched). The RGB trims above cannot reach it: on an RGBW strip the white die is separate hardware, often brighter than the RGB trio, so whites blow out while colors look right. Trim it down like the others; 0 gives the output `whiteMode: None` gives. Shown only where the referenced preset carries a white channel. - `maxCurrentMa`: cap the current a frame may draw, in milliamps. 0 (default) is off. The driver prices each frame before emitting it and scales the whole frame down if it is over budget, so a white screen cannot brown out the supply whatever the brightness. Set it to the supply's rating less what the board itself uses. - `mAPerColorChannel` / `mAPerWhiteChannel`: what one channel draws at full, for that estimate. Per **channel**, not per light: a white die draws about twice a color one, so a single per-light figure under-reports white-heavy frames, which is the direction that browns out a supply. Defaults (8 and 16) are measured on a 5 m SK6812 RGBW strip. WLED carries the per-light version of this as an open issue, [#3707](https://github.com/wled/WLED/issues/3707). - `mAPerYellowChannel` / `mAPerUvChannel`: the same for the two emitters a 6-channel lightbar adds, shown only on a fixture that carries them. Both default to 8 by assumption rather than measurement: amber sits near red, while a UV die usually draws more. diff --git a/src/core/services/VideoService.h b/src/core/services/VideoService.h index 537193a1..a1426297 100644 --- a/src/core/services/VideoService.h +++ b/src/core/services/VideoService.h @@ -83,7 +83,7 @@ class VideoService : public MoonModule { } /// Test seam: the curve as built. - const uint8_t* toneForTest() const { return tone_; } + const uint16_t* toneForTest() const { return tone_; } VideoService() { seat_.claim(); } @@ -130,7 +130,8 @@ class VideoService : public MoonModule { void onControlChanged(const char* name) override { if (std::strcmp(name, "reload") == 0) loadFile(); if (std::strcmp(name, "offered") == 0) applyFormat(); - if (std::strcmp(name, "hdr") == 0 || std::strcmp(name, "hdrNits") == 0) rebuildTone(); + if (std::strcmp(name, "hdr") == 0 || std::strcmp(name, "hdrNits") == 0 || std::strcmp(name, "source") == 0) + rebuildTone(); MoonModule::onControlChanged(name); } @@ -139,13 +140,13 @@ class VideoService : public MoonModule { void prepare() override { seat_.claim(); // re-take after a disable/enable cycle: release() vacated it if (source >= kSourceCount) source = kSourcePattern; // a config restored from a capture-capable board + rebuildTone(); // every source has a curve, and a restored `hdr` lands as a VALUE, not an edit if (source == kSourceUsb) { // Resolve the selected row FIRST: usbWidth/Height are what captureCurrent() compares // against, and they only ever moved inside openCapture(). A restored usbFormat that // arrives after the first prepare would otherwise never reach them, so the check would // keep reporting the stale request as current and never reopen. applyFormat(); - rebuildTone(); // a restored `hdr` lands as a VALUE, never through onControlChanged // Every tree-wide rebuild lands here too (a layout resized, a module added), and the // device stays open through those: a reopen drops the published frame and blocks on // negotiation. It happens only for what actually changed the request. @@ -185,6 +186,19 @@ class VideoService : public MoonModule { void tick1s() MM_NONBLOCKING override { if (source == kSourceUsb && (platform::videoCaptureFormatGeneration() != formatGen_ || selectionStale())) if (Scheduler* s = Scheduler::instance()) s->requestPrepareTree(); + // A dropped frame is invisible in the picture: it just stutters. Name it, so the count is + // somewhere to look rather than something to guess at. Silent while nothing is dropping. + // Shown as faulty/noSlot/busy: the last two are the newest-wins policy at work, not a fault. + if (source == kSourceUsb && capture_.impl) { + const platform::VideoCaptureStats st = platform::videoCaptureStats(); + const uint32_t bad = st.infoFail + st.oversize + st.decodeFail; + if (bad || st.noSlot || st.busy) { + std::snprintf(status_, sizeof(status_), "%ux%u drop %u/%u/%u", shownW_, shownH_, + static_cast(bad), static_cast(st.noSlot), + static_cast(st.busy)); + setStatus(status_, bad ? Severity::Warning : Severity::Status); + } + } MoonModule::tick1s(); } @@ -343,12 +357,12 @@ class VideoService : public MoonModule { ScratchBuffer buf_{*this}; // width*height*3, accounted in dynamicBytes() VideoFrame frame_; uint32_t seq_ = 0; - uint8_t tone_[256] = {}; // the published curve; only read while hdr != off + uint16_t tone_[256] = {}; // the published curve: source encoding -> linear light // Sweep position in 1/1000 px and the millis() it was last advanced at. Milli-pixels because a // per-second rate sampled per tick rounds to zero motion in whole pixels at 1 px/s. uint32_t sweepMilliPx_ = 0; uint32_t sweepAtMs_ = 0; - char status_[24] = {}; + char status_[40] = {}; /// Drop the published frame and say why. Returns false so every failing path reads as one line, /// `return fail("...")`, and none can forget to un-publish the stale frame. @@ -376,24 +390,23 @@ class VideoService : public MoonModule { /// Publish the buffer as a NEW frame: the sequence bump is what tells a consumer the pixels /// changed, so every producer path ends here (see VideoFrame::seq). void publish() { - // Per frame, so a curve change lands on the next one with nothing to remember. - frame_.tone = (source == kSourceUsb && hdr != kHdrOff) ? tone_ : nullptr; + frame_.tone = tone_; // per frame, so a curve change lands on the next one with nothing to remember frame_.seq = ++seq_; } - /// Fill `tone_`: transfer curve -> linear, scale to the reference white, re-encode sRGB. Cold - /// path: 256 float evaluations per edit or prepare, never per frame. + /// Fill `tone_`: the source's transfer curve undone to linear light, where a consumer averages + /// (the mean of encoded bytes is not the mean of the picture). Cold path: 256 float evaluations + /// per edit or prepare, never per frame. void rebuildTone() { - if (hdr == kHdrOff) return; for (int i = 0; i < 256; i++) { const float e = static_cast(i) / 255.0f; float lin; - if (hdr == kHdrHlg) { + if (source == kSourceUsb && hdr == kHdrHlg) { // ARIB STD-B67 inverse OETF. Relative, so hdrNits does not apply. No OOTF: a // second-order tilt that border averages do not need. constexpr float a = 0.17883277f, b = 0.28466892f, c = 0.55991073f; lin = e <= 0.5f ? (e * e) / 3.0f : (std::exp((e - c) / a) + b) / 12.0f; - } else { + } else if (source == kSourceUsb && hdr == kHdrPq) { // SMPTE ST 2084 (PQ) EOTF: absolute nits, referred to hdrNits. constexpr float m1 = 2610.0f / 16384.0f; constexpr float m2 = 2523.0f / 4096.0f * 128.0f; @@ -405,11 +418,13 @@ class VideoService : public MoonModule { const float den = c2 - c3 * p; // > 0 across the whole domain const float nits = 10000.0f * std::pow(num / den, 1.0f / m1); lin = nits / static_cast(hdrNits ? hdrNits : 1); + } else { + // sRGB EOTF (IEC 61966-2-1). The default, and what a file or the pattern carries. + lin = e <= 0.04045f ? e / 12.92f : std::pow((e + 0.055f) / 1.055f, 2.4f); } if (lin < 0.0f) lin = 0.0f; if (lin > 1.0f) lin = 1.0f; - const float v = lin <= 0.0031308f ? 12.92f * lin : 1.055f * std::pow(lin, 1.0f / 2.4f) - 0.055f; - tone_[i] = static_cast(v * 255.0f + 0.5f); + tone_[i] = static_cast(lin * VideoFrame::kLinearMax + 0.5f); } } diff --git a/src/core/util/VideoFrame.h b/src/core/util/VideoFrame.h index 4faa81d4..de99b7c9 100644 --- a/src/core/util/VideoFrame.h +++ b/src/core/util/VideoFrame.h @@ -17,14 +17,19 @@ struct VideoFrame { // Bumped per PUBLISHED frame; compare for INEQUALITY, never ordering. A still PPM bumps it // every tick, the way a camera aimed at a still object sends one every period. uint32_t seq = 0; - // 256-entry per-channel curve to display encoding; null = the bytes already are. Same one-tick - // lifetime as `rgb`. Read pixels through channel(): a consumer that indexes `rgb` directly - // averages an HDR source on its own curve and gets a hue shift. - const uint8_t* tone = nullptr; + // 256-entry curve from the source's encoding to LINEAR light, 0..kLinearMax; SDR is sRGB, a + // curve like any other, so a published frame always carries one. Same one-tick lifetime as + // `rgb`. Read pixels through channel(): a consumer averaging the encoded bytes averages a + // quantity that is not proportional to light. + const uint16_t* tone = nullptr; - /// One channel byte of the pixel at `px`, display-encoded. One cached lookup when `tone` is set: - /// applied on the read a consumer already makes, so no extra pass over the frame. - uint8_t channel(const uint8_t* px, int c) const { return tone ? tone[px[c]] : px[c]; } + // 12 bits, not 8: linear has no headroom at the dark end, which is what encodings exist for. + // Small enough that a zone of ~1M pixels still sums inside a uint32. + static constexpr uint16_t kLinearMax = 4095; + + /// One channel of the pixel at `px` as linear light: one lookup on a read the caller already + /// makes. The encoded byte as is when no curve is published (a test frame). + uint16_t channel(const uint8_t* px, int c) const { return tone ? tone[px[c]] : px[c]; } }; // The "no source" frame consumers fall back to. diff --git a/src/light/drivers/Correction.h b/src/light/drivers/Correction.h index 7d508c67..c527e914 100644 --- a/src/light/drivers/Correction.h +++ b/src/light/drivers/Correction.h @@ -44,12 +44,16 @@ struct Correction { } - // White, amber and UV are their own dies, so an RGB trim must not reach them. - static constexpr uint8_t kNeutral = 3; - uint8_t briLut[4][256] = {}; // briLut[ch][v] = curve(v * brightness * balance[ch]); ch 0=R 1=G 2=B, 3=untrimmed + // White, amber and UV are their own dies, so an RGB trim must not reach them; the white dies + // carry a trim of their own. + static constexpr uint8_t kNeutral = 3, kWhite = 4; + uint8_t briLut[5][256] = {}; // briLut[ch][v] = curve(v * brightness * balance[ch]); ch 0=R 1=G 2=B, 3=untrimmed, 4=white /// Per-channel white balance, 255 = untouched. Trim DOWN only: there is no headroom above 255, /// so raising clips instead of balancing. uint8_t balRed = 255, balGreen = 255, balBlue = 255; + /// The white die's trim, 255 = untouched: a separate emitter, often brighter than the RGB trio, + /// that the three trims above cannot reach. Pre-scales like them, so the curve still lands last. + uint8_t whiteLevel = 255; /// Which curve the brightness rebuild fills through; a driver's setting, not a global one. Curve curve = Curve::Cie; // The output-byte position of each color role, recomputed from the role array. @@ -98,8 +102,8 @@ struct Correction { /// Refresh the brightness LUT alone, leaving the channel offsets untouched. void rebuildBrightness(uint8_t brightness) { // The trim pre-scales like brightness, so the curve still lands last. - const uint8_t balance[4] = {balRed, balGreen, balBlue, 255}; - for (int ch = 0; ch < 4; ch++) { + const uint8_t balance[5] = {balRed, balGreen, balBlue, 255, whiteLevel}; + for (int ch = 0; ch < 5; ch++) { const float scale = static_cast(brightness) * balance[ch] / 255.0f; for (int v = 0; v < 256; v++) { const float linear = static_cast(v) * scale / 255.0f; // scale first @@ -112,7 +116,7 @@ struct Correction { } int q = static_cast(out + 0.5f); // A non-zero input never lands on black, or a fade-out snaps off partway down. - if (q <= 0 && v > 0 && brightness > 0) q = 1; + if (q <= 0 && v > 0 && scale > 0.0f) q = 1; briLut[ch][v] = static_cast(q > 255 ? 255 : q); } } @@ -189,7 +193,7 @@ struct Correction { b -= w; } sum += (static_cast(briLut[0][r]) + briLut[1][g] + briLut[2][b]) * mAColor - + static_cast(briLut[kNeutral][w]) * whiteMa; + + static_cast(briLut[kWhite][w]) * whiteMa; } // Rounded UP: a cap that understates is not a cap. const uint64_t scalableMa = (sum + 254) / 255; @@ -225,7 +229,7 @@ struct Correction { } else { const uint8_t w = whiteOf(r, g, b); // Computed off the PRE-subtraction values, which only rebalance the RGB emitters. - if (offWarmWhite != kAbsent) out[offWarmWhite] = lim(briLut[kNeutral][w]); + if (offWarmWhite != kAbsent) out[offWarmWhite] = lim(briLut[kWhite][w]); // yellow ≈ min(R,G) (the shared red+green component). if (offYellow != kAbsent) out[offYellow] = lim(briLut[kNeutral][r < g ? r : g]); // Driven from the blue with no red or green to pair with, so it stays dark on warm colors. @@ -236,7 +240,7 @@ struct Correction { // White last: it is the only emitter that rebalances RGB. if (offWhite != kAbsent) { if (whiteMode == WhiteMode::Accurate) { r -= w; g -= w; b -= w; } // pull white out of RGB - out[offWhite] = lim(briLut[kNeutral][w]); + out[offWhite] = lim(briLut[kWhite][w]); } } // The curve, applied ONCE: everything above this line is linear light. diff --git a/src/light/drivers/DriverBase.h b/src/light/drivers/DriverBase.h index 40ae8372..4a183bf0 100644 --- a/src/light/drivers/DriverBase.h +++ b/src/light/drivers/DriverBase.h @@ -80,6 +80,7 @@ class DriverBase : public MoonModule { correction_.balRed = balRed_; correction_.balGreen = balGreen_; correction_.balBlue = balBlue_; + correction_.whiteLevel = whiteLevel_; correction_.budgetMa = budgetMa_; correction_.mAColor = mAColor_; correction_.mAWhite = mAWhite_; @@ -170,6 +171,8 @@ class DriverBase : public MoonModule { uint8_t localBrightness_ = 255; // per-driver dim, multiplied with the global brightness /// Per-channel white balance; trims the stronger dies DOWN to match the weakest. uint8_t balRed_ = 255, balGreen_ = 255, balBlue_ = 255; + /// The white die's own trim; the RGB trims do not reach it. + uint8_t whiteLevel_ = 255; /// The current budget and the per-channel draw it is priced with. uint16_t budgetMa_ = 0; // 0 = no current limiting uint8_t mAColor_ = 8; // measured on SK6812 RGBW: R 7.98, G 8.11, B 7.98 @@ -206,6 +209,12 @@ class DriverBase : public MoonModule { controls_.addControl("balanceRed", balRed_, 0, 255); controls_.addControl("balanceGreen", balGreen_, 0, 255); controls_.addControl("balanceBlue", balBlue_, 0, 255); + // Narrower than whiteMode's gate, which also counts amber and UV: this trims the white + // dies alone, so on a fixture with only those the slider would reach nothing. + const bool hasWhite = lib && (lib->presetHasRole(presetId_, ChannelRole::White) || + lib->presetHasRole(presetId_, ChannelRole::WarmWhite)); + controls_.addControl("whiteLevel", whiteLevel_, 0, 255); + controls_.setHidden(controls_.count() - 1, !hasWhite); // Only offered by the drivers that measure: a network sender feeds another board's supply. const bool limits = limitsCurrent(); controls_.addControl("maxCurrentMa", budgetMa_, 0, 60000); @@ -231,12 +240,13 @@ class DriverBase : public MoonModule { /// Whether `name` is one of the correction controls, for a driver's own prepare test. static bool isCorrectionControl(const char* name) { - return std::strcmp(name, "lightPreset") == 0 || std::strcmp(name, "localBrightness") == 0 - || std::strcmp(name, "whiteMode") == 0 || std::strcmp(name, "curve") == 0 - || std::strcmp(name, "balanceRed") == 0 || std::strcmp(name, "balanceGreen") == 0 - || std::strcmp(name, "balanceBlue") == 0 || std::strcmp(name, "maxCurrentMa") == 0 - || std::strcmp(name, "mAPerColorChannel") == 0 || std::strcmp(name, "mAPerWhiteChannel") == 0 - || std::strcmp(name, "mAPerYellowChannel") == 0 || std::strcmp(name, "mAPerUvChannel") == 0; + return std::strcmp(name, "lightPreset") == 0 || std::strcmp(name, "localBrightness") == 0 || + std::strcmp(name, "whiteMode") == 0 || std::strcmp(name, "curve") == 0 || + std::strcmp(name, "balanceRed") == 0 || std::strcmp(name, "balanceGreen") == 0 || + std::strcmp(name, "balanceBlue") == 0 || std::strcmp(name, "whiteLevel") == 0 || + std::strcmp(name, "maxCurrentMa") == 0 || std::strcmp(name, "mAPerColorChannel") == 0 || + std::strcmp(name, "mAPerWhiteChannel") == 0 || std::strcmp(name, "mAPerYellowChannel") == 0 || + std::strcmp(name, "mAPerUvChannel") == 0; } private: diff --git a/src/light/effects/AmbilightEffect.h b/src/light/effects/AmbilightEffect.h index 76271278..f9add93c 100644 --- a/src/light/effects/AmbilightEffect.h +++ b/src/light/effects/AmbilightEffect.h @@ -4,6 +4,7 @@ #include "light/effects/EffectBase.h" #include // std::max / std::min +#include #include namespace mm { @@ -67,6 +68,7 @@ class AmbilightEffect : public EffectBase { const size_t positions = (w > 0 && h > 0) ? static_cast(w) * static_cast(h) : 0; state_.resize(smoothing != 0 ? positions * 3u : 0); // 8.8 per channel, only while smoothing + encodeTable(); // built here, off the tick primed_ = false; buildLitList(positions); } @@ -301,8 +303,24 @@ class AmbilightEffect : public EffectBase { return {begin, end}; } - /// Mean of one light position's pixels: the box filter Hyperion uses. uint32 accumulators - /// because 640x480 onto 32x18 is ~520 pixels each, and 520 x 255 overflows 16 bits several times. + /// Linear light back to a display byte (sRGB OETF). Built on first use, which prepare() makes + /// a cold path: 4096 pow() calls have no place in a tick. + static const uint8_t* encodeTable() { + static const auto table = [] { + std::array t{}; + for (size_t i = 0; i < t.size(); i++) { + const float lin = static_cast(i) / VideoFrame::kLinearMax; + const float v = lin <= 0.0031308f ? 12.92f * lin : 1.055f * std::pow(lin, 1.0f / 2.4f) - 0.055f; + t[i] = static_cast(v * 255.0f + 0.5f); + } + return t; + }(); + return table.data(); + } + + /// Mean of one light position's pixels: the box filter Hyperion uses, taken in linear light and + /// encoded once per LIGHT. uint32 accumulators: 640x480 onto 32x18 is ~520 pixels each, and + /// 520 x 4095 overflows 16 bits many times over. static RGB meanOf(const VideoFrame& frame, Span cols, Span rows) { uint32_t sr = 0, sg = 0, sb = 0; for (int py = rows.begin; py < rows.end; py++) { @@ -315,8 +333,10 @@ class AmbilightEffect : public EffectBase { } const uint32_t pixels = static_cast(rows.end - rows.begin) * static_cast(cols.end - cols.begin); - return {static_cast(sr / pixels), static_cast(sg / pixels), - static_cast(sb / pixels)}; + const uint32_t mr = sr / pixels, mg = sg / pixels, mb = sb / pixels; + if (!frame.tone) return {static_cast(mr), static_cast(mg), static_cast(mb)}; + const uint8_t* enc = encodeTable(); + return {enc[mr], enc[mg], enc[mb]}; } /// Move one channel `saturation` percent of the way out from `luma`, clamped to a byte. diff --git a/src/platform/desktop/platform_desktop.cpp b/src/platform/desktop/platform_desktop.cpp index 00129bad..0a70ece4 100644 --- a/src/platform/desktop/platform_desktop.cpp +++ b/src/platform/desktop/platform_desktop.cpp @@ -2308,6 +2308,7 @@ const uint8_t* videoCaptureFrame(VideoCaptureHandle& /*h*/, uint16_t& /*width*/, return nullptr; } void videoCaptureDeinit(VideoCaptureHandle& /*h*/) {} +VideoCaptureStats videoCaptureStats() { return {}; } // The textbook in-place radix-2 transform, the production kernel now that live capture runs blocks dozens of times a second on the render tick. The contract is unchanged and it is numerically equivalent to the direct form, pinned against one by a test. void audioFft(const float* windowed, size_t n, float* outMag) { diff --git a/src/platform/esp32/platform_esp32.cpp b/src/platform/esp32/platform_esp32.cpp index 23888abb..28290e7d 100644 --- a/src/platform/esp32/platform_esp32.cpp +++ b/src/platform/esp32/platform_esp32.cpp @@ -520,7 +520,38 @@ static uint8_t staStaticMask_[4] = {}; static uint8_t staStaticDns_[4] = {}; static esp_netif_t* staNetif_ = nullptr; static esp_netif_t* apNetif_ = nullptr; -static bool wifiInitDone_ = false; +static std::atomic wifiInitDone_{false}; // atomic: the radio poller reads it from its own task + +// Radio telemetry, read on the render tick and refreshed off it. With a co-processor radio (P4) +// every esp_wifi query is a synchronous RPC over the host link, 55-90 ms measured, and the +// once-a-second WLED state push made one, so the render loop froze every second a browser was open. +// A low-priority task polls, the connect event fills what it carries, the getters return the cache. +static std::atomic radioRssi_{0}; +static std::atomic radioTxPowerQ_{0}; // quarter dBm, the unit the stack uses +static std::atomic radioAp_{0}; // BSSID << 8 | channel, one word so a reader never sees half a connect +constexpr uint32_t kRadioPollMs = 2000; // a signal-strength readout, not an instrument + +static void radioPollTask(void*) { + for (;;) { + vTaskDelay(pdMS_TO_TICKS(kRadioPollMs)); + if (!wifiInitDone_.load(std::memory_order_relaxed)) continue; + if (wifiStaConnected_.load(std::memory_order_relaxed)) { + int rssi = 0; + if (esp_wifi_sta_get_rssi(&rssi) == ESP_OK) radioRssi_.store(static_cast(rssi), std::memory_order_relaxed); + } + int8_t power = 0; + if (esp_wifi_get_max_tx_power(&power) == ESP_OK) radioTxPowerQ_.store(power, std::memory_order_relaxed); + } +} + +// Spawned once, on the first WiFi init, and kept across a deinit: wifiInitDone_ gates the asking. +static void ensureRadioPoller() { + static bool started = false; + if (started) return; + // 4 KB: the hosted RPC path serializes through protobuf below this call. + started = xTaskCreate(&radioPollTask, "mmradio", 4096, nullptr, tskIDLE_PRIORITY + 1, nullptr) == pdPASS; + if (!started) ESP_LOGW(NET_TAG, "no radio poller task: RSSI and TX power will read 0"); +} #endif static void ensureNetifInit() { @@ -1060,12 +1091,20 @@ static void wifiEventHandler(void* /*arg*/, esp_event_base_t base, if (id == WIFI_EVENT_STA_CONNECTED) { // L2 association complete (before DHCP). In Static mode, pin the stored config now and mark connected, a DHCP-less network never fires GOT_IP, so waiting for it would strand a static STA. Mirrors the eth CONNECTED handler's ethStatic_ re-pin. DHCP mode is a no-op here (the DHCP client runs and GOT_IP sets wifiStaConnected_ as before). wifiStaAssociated_.store(true, std::memory_order_relaxed); + // The event carries the AP's identity, so nobody ever has to ask the radio for it. + if (const auto* ev = static_cast(data)) { + uint64_t ap = 0; + for (int i = 0; i < 6; i++) ap = (ap << 8) | ev->bssid[i]; + radioAp_.store((ap << 8) | ev->channel, std::memory_order_relaxed); + } if (staStatic_.load(std::memory_order_acquire)) { netSetStaticIPv4(NetIface::Sta, staStaticIp_, staStaticGw_, staStaticMask_, staStaticDns_); } } else if (id == WIFI_EVENT_STA_DISCONNECTED) { wifiStaConnected_.store(false, std::memory_order_relaxed); wifiStaAssociated_.store(false, std::memory_order_relaxed); + radioAp_.store(0, std::memory_order_relaxed); + radioRssi_.store(0, std::memory_order_relaxed); // The reconnect is ours to make, and unbounded: @xref{the-reconnect-is-ours-to-make-and-unbounded|why}. if (!wifiStaStopping_.load(std::memory_order_relaxed)) { // Immediately, and without sleeping to pace it: the pacing is free and blocking here would stall the whole stack. The counter is diagnostic and does not gate the retry. @@ -1139,6 +1178,7 @@ static bool ensureWifiInit() { } wifiInitDone_ = true; + ensureRadioPoller(); return true; } @@ -1224,25 +1264,19 @@ void wifiStaStop() { ESP_LOGI(NET_TAG, "WiFi STA stopped + deinit"); } +// Cached, see radioPollTask: none of the readouts below asks the radio. int wifiStaRssi() { if (!wifiStaConnected_.load(std::memory_order_relaxed)) return 0; - wifi_ap_record_t info{}; - if (esp_wifi_sta_get_ap_info(&info) != ESP_OK) return 0; - return info.rssi; + return radioRssi_.load(std::memory_order_relaxed); } void wifiStaBssid(uint8_t out[6]) { - std::memset(out, 0, 6); - if (!wifiStaConnected_.load(std::memory_order_relaxed)) return; - wifi_ap_record_t info{}; - if (esp_wifi_sta_get_ap_info(&info) == ESP_OK) std::memcpy(out, info.bssid, 6); + const uint64_t ap = radioAp_.load(std::memory_order_relaxed) >> 8; + for (int i = 0; i < 6; i++) out[i] = static_cast(ap >> (8 * (5 - i))); } int wifiStaChannel() { - if (!wifiStaConnected_.load(std::memory_order_relaxed)) return 0; - wifi_ap_record_t info{}; - if (esp_wifi_sta_get_ap_info(&info) != ESP_OK) return 0; - return info.primary; + return static_cast(radioAp_.load(std::memory_order_relaxed) & 0xFF); } bool wifiApInit(const char* apName, const char* ip) { @@ -1321,10 +1355,8 @@ void wifiApStop() { int wifiTxPower() { if (!wifiInitDone_) return 0; - int8_t power = 0; - if (esp_wifi_get_max_tx_power(&power) != ESP_OK) return 0; - // ESP-IDF returns TX power in units of 0.25 dBm; round to nearest whole dBm. - return (power + 2) / 4; + // ESP-IDF reports TX power in units of 0.25 dBm; round to nearest whole dBm. + return (radioTxPowerQ_.load(std::memory_order_relaxed) + 2) / 4; } bool wifiSetTxPower(int8_t quarterDbm) { @@ -1338,6 +1370,7 @@ bool wifiSetTxPower(int8_t quarterDbm) { ESP_LOGW(NET_TAG, "WiFi set TX power %d (q-dBm) failed: %s", quarterDbm, esp_err_to_name(err)); return false; } + radioTxPowerQ_.store(quarterDbm, std::memory_order_relaxed); // so the readout follows the set at once ESP_LOGI(NET_TAG, "WiFi TX power capped to %d (q-dBm) ≈ %d dBm", quarterDbm, (quarterDbm + 2) / 4); return true; } diff --git a/src/platform/esp32/platform_esp32_usbvideo.cpp b/src/platform/esp32/platform_esp32_usbvideo.cpp index 7722ade0..9102ab19 100644 --- a/src/platform/esp32/platform_esp32_usbvideo.cpp +++ b/src/platform/esp32/platform_esp32_usbvideo.cpp @@ -142,6 +142,10 @@ bool ensureUsbHost() { return true; } +// Counted on the UVC and decode tasks, read from the render tick: relaxed is enough for a diagnostic. +std::atomic statDecoded{0}, statBusy{0}, statInfoFail{0}, statOversize{0}, statNoSlot{0}, + statDecodeFail{0}; + // Runs on the UVC driver task (uvc_client_task -> usb_host_client_handle_events -> here), so the // ordinary FreeRTOS API is safe. It still only hands the frame over: decoding here would stall the // task that collects isochronous packets, and a missed packet is gone for good. @@ -150,7 +154,10 @@ bool onFrame(const uvc_host_frame_t* frame, void* ctx) { uvc_host_frame_t* expected = nullptr; // Take the slot only if it is free. Returning false keeps the frame, so the loser of this // race must return true to hand it straight back or the driver runs out of buffers. - if (!cap->pending.compare_exchange_strong(expected, const_cast(frame))) return true; + if (!cap->pending.compare_exchange_strong(expected, const_cast(frame))) { + statBusy.fetch_add(1, std::memory_order_relaxed); + return true; + } xSemaphoreGive(cap->wake); return false; } @@ -301,18 +308,37 @@ size_t stripPayloadHeaders(uint8_t* d, size_t len) { return w + (len - r); } +// Warn on the FIRST of each kind only. A drop repeats at frame rate, so logging every one buries +// the log and costs more than the fault; the counters carry the rate. +void warnOnce(bool& said, const char* what) { + if (said) return; + said = true; + ESP_LOGW(kTag, "%s - first occurrence; see the Video status for the running count", what); +} + void decode(Capture& cap, uvc_host_frame_t* frame) { + static bool saidInfo = false, saidOversize = false, saidNoSlot = false, saidDecode = false; const size_t len = stripPayloadHeaders(frame->data, frame->data_len); // Dimensions from the bitstream, not from the request: a device may negotiate something else. jpeg_decode_picture_info_t info = {}; - if (jpeg_decoder_get_info(frame->data, len, &info) != ESP_OK) return; + if (jpeg_decoder_get_info(frame->data, len, &info) != ESP_OK) { + statInfoFail.fetch_add(1, std::memory_order_relaxed); + warnOnce(saidInfo, "frame is not readable JPEG (payload stride mis-detected?)"); + return; + } if (decodedBytes(static_cast(info.width), static_cast(info.height)) > cap.rgbCap) { + statOversize.fetch_add(1, std::memory_order_relaxed); + warnOnce(saidOversize, "frame exceeds the buffers sized at open"); ESP_LOGW(kTag, "frame %ux%u exceeds the buffers sized at open", info.width, info.height); return; } const int slot = freeSlot(cap); - if (slot < 0) return; // drop the frame rather than write over one being read + if (slot < 0) { // drop the frame rather than write over one being read + statNoSlot.fetch_add(1, std::memory_order_relaxed); + warnOnce(saidNoSlot, "renderer holds every slot, dropping the newest frame"); + return; + } jpeg_decode_cfg_t decodeCfg = {}; decodeCfg.output_format = JPEG_DECODE_OUT_FORMAT_RGB888; @@ -320,8 +346,12 @@ void decode(Capture& cap, uvc_host_frame_t* frame) { decodeCfg.conv_std = JPEG_YUV_RGB_CONV_STD_BT601; uint32_t outSize = 0; if (jpeg_decoder_process(cap.jpeg, &decodeCfg, frame->data, len, cap.rgb[slot], cap.rgbCap, &outSize) != - ESP_OK) + ESP_OK) { + statDecodeFail.fetch_add(1, std::memory_order_relaxed); + warnOnce(saidDecode, "the decoder refused a bitstream whose header it accepted"); return; + } + statDecoded.fetch_add(1, std::memory_order_relaxed); cap.width[slot] = static_cast(info.width); cap.height[slot] = static_cast(info.height); @@ -542,6 +572,17 @@ void videoCaptureDeinit(VideoCaptureHandle& handle) { handle.impl = nullptr; } +VideoCaptureStats videoCaptureStats() { + VideoCaptureStats s; + s.decoded = statDecoded.load(std::memory_order_relaxed); + s.busy = statBusy.load(std::memory_order_relaxed); + s.infoFail = statInfoFail.load(std::memory_order_relaxed); + s.oversize = statOversize.load(std::memory_order_relaxed); + s.noSlot = statNoSlot.load(std::memory_order_relaxed); + s.decodeFail = statDecodeFail.load(std::memory_order_relaxed); + return s; +} + } // namespace mm::platform #else // every other target: no High-Speed USB host, no JPEG decoder @@ -553,6 +594,7 @@ size_t videoCaptureFormats(VideoCaptureFormat*, size_t) { return 0; } uint32_t videoCaptureFormatGeneration() { return 0; } const uint8_t* videoCaptureFrame(VideoCaptureHandle&, uint16_t&, uint16_t&) MM_NONBLOCKING { return nullptr; } void videoCaptureDeinit(VideoCaptureHandle&) {} +VideoCaptureStats videoCaptureStats() { return {}; } } // namespace mm::platform diff --git a/src/platform/platform.h b/src/platform/platform.h index edaf847a..aee2a5a1 100644 --- a/src/platform/platform.h +++ b/src/platform/platform.h @@ -442,7 +442,9 @@ void wifiStaGetIPv4(uint8_t out[4]); /// Tear the station down. void wifiStaStop(); -/// Station RSSI in dBm, a negative number; 0 when the station is not associated. +/// Station RSSI in dBm, a negative number; 0 when the station is not associated. A cached reading, +/// refreshed off the render task every few seconds: on a co-processor radio the query is a blocking +/// RPC, so no caller pays for it, and every reading below shares that contract. int wifiStaRssi(); /// The associated access point's BSSID, zeroed when the station is not associated. @@ -474,7 +476,7 @@ uint32_t wifiApClientCount(); /// True when a socket is safe to open: the stack is initialized and an interface holds an IP. bool networkReady(); -/// Current WiFi transmit power in dBm, 0 when WiFi is not initialized. +/// Current WiFi transmit power in dBm, 0 when WiFi is not initialized. Cached like wifiStaRssi. int wifiTxPower(); /// Cap the WiFi transmit power in quarter-dBm units, 8 to 84; 0 keeps the stack default. @@ -1035,6 +1037,18 @@ const uint8_t* videoCaptureFrame(VideoCaptureHandle& h, uint16_t& width, uint16_ void videoCaptureDeinit(VideoCaptureHandle& h); +// Why frames did not reach the renderer, cumulative since boot. A drop in ones is normal; a +// climbing count is a fault worth naming, since in the picture it is only a stutter. +struct VideoCaptureStats { + uint32_t decoded = 0; // frames that reached a slot + uint32_t busy = 0; // arrived while the previous frame was still waiting to be decoded + uint32_t noSlot = 0; // every decode buffer still held by the renderer + uint32_t infoFail = 0; // not a readable JPEG: a mis-detected payload stride lands here + uint32_t oversize = 0; // larger than the buffers sized at open + uint32_t decodeFail = 0; // the decoder refused a bitstream whose header it had accepted +}; +VideoCaptureStats videoCaptureStats(); + // I2C bus diagnostics: the standard i2cdetect operation, domain-neutral rather than audio-specific. /// The bus could not be opened, which is distinct from a scan that found nothing. diff --git a/test/unit/core/unit_VideoService.cpp b/test/unit/core/unit_VideoService.cpp index 648eb489..4be3fae2 100644 --- a/test/unit/core/unit_VideoService.cpp +++ b/test/unit/core/unit_VideoService.cpp @@ -183,42 +183,49 @@ TEST_CASE("VideoService: the test pattern sweeps at patternSpeed pixels per seco CHECK(sweepX() == (start + 5) % VideoService::kPatternW); // parked, however long passes } -// Pinned to a measured case: a source showing (255,127,0) captured under PQ as (206,171,0), green -// 35% high against red. Checked as a RATIO - hdrNits sets the level, hue is what this fixes. -TEST_CASE("VideoService: the PQ tone table corrects an HDR capture's green lift") { +// Pinned to a measured case: a source showing (255,127,0) captured under PQ as (206,171,0). The +// curve has to land that pair on the LINEAR ratio the original color has, sRGB(127)/sRGB(255) = +// 0.212, which is the quantity an average is then taken of. +TEST_CASE("VideoService: the PQ tone table recovers the source's linear ratio") { VideoService v; v.source = VideoService::kSourceUsb; v.hdr = VideoService::kHdrPq; v.hdrNits = 2000; v.onControlChanged("hdr"); // the path a UI edit takes - const uint8_t* t = v.toneForTest(); + const uint16_t* t = v.toneForTest(); REQUIRE(t != nullptr); - const double rawRatio = 171.0 / 206.0; // as captured - const double fixed = static_cast(t[171]) / t[206]; - CHECK(rawRatio > 0.80); // the defect - CHECK(fixed < 0.62); // corrected toward 0.50 - CHECK(fixed > 0.40); // not overshot + CHECK(171.0 / 206.0 > 0.80); // the defect, as the bytes arrive + const double linear = static_cast(t[171]) / t[206]; + CHECK(linear > 0.15); // recovered toward 0.212 + CHECK(linear < 0.30); // Monotonic: a curve that reorders levels would posterize. CHECK(t[0] == 0); for (int i = 1; i < 256; i++) CHECK(t[i] >= t[i - 1]); } -// Off must publish nothing: a stale table would silently re-map an SDR source. -TEST_CASE("VideoService: no tone table is published unless an HDR curve is selected") { +// Every source publishes one, SDR included: sRGB is a curve like any other, and a consumer +// averaging raw bytes averages a quantity that is not proportional to light. +TEST_CASE("VideoService: an SDR source publishes the sRGB curve, not nothing") { VideoService v; v.source = VideoService::kSourcePattern; v.applyState(); - CHECK(VideoService::latestFrame()->tone == nullptr); + const uint16_t* t = VideoService::latestFrame()->tone; + REQUIRE(t != nullptr); + CHECK(t[0] == 0); + CHECK(t[255] == mm::VideoFrame::kLinearMax); + // sRGB's midpoint is about 21% of full light: the whole reason averaging bytes is wrong. + CHECK(t[128] < mm::VideoFrame::kLinearMax / 3); + CHECK(t[128] > mm::VideoFrame::kLinearMax / 8); } // The frame carries its curve and consumers read through channel(), so every reader corrects the // same way and none has to know which curve it is. Null means the bytes are taken as they are. TEST_CASE("VideoFrame: channel() reads through the tone curve when one is published") { uint8_t px[3] = {10, 20, 30}; - uint8_t tone[256]; - for (int i = 0; i < 256; i++) tone[i] = static_cast(255 - i); + uint16_t tone[256]; + for (int i = 0; i < 256; i++) tone[i] = static_cast(255 - i); mm::VideoFrame f; f.rgb = px; CHECK(f.channel(px, 0) == 10); diff --git a/test/unit/light/unit_AmbilightEffect.cpp b/test/unit/light/unit_AmbilightEffect.cpp index 60b28691..6ac7d1aa 100644 --- a/test/unit/light/unit_AmbilightEffect.cpp +++ b/test/unit/light/unit_AmbilightEffect.cpp @@ -577,3 +577,16 @@ TEST_CASE("AmbilightEffect: detection can be turned off and on again") { for (int i = 0; i < 60; i++) rig.tickOnly(src.svc); CHECK(rig.px(4, 0)[1] > 100); // and adopted again rather than stuck } + +// Averaging happens in LINEAR light, not in the encoding: half black and half white is half the +// light, which sRGB writes as 188, where the mean of the bytes is 128 and renders a lit scene as +// a dim mush. One light over the whole pattern sees red on about a third of its pixels (the top +// band and the yellow one) and black elsewhere: byte-averaged that is ~82, in light ~150. +TEST_CASE("AmbilightEffect: a part-lit zone averages as light, not as bytes") { + PatternSource src; + Rig rig(1, 1); + rig.fx.saturation = 100; // identity, so the zone mean is what we read + rig.render(); + CHECK(rig.px(0, 0)[0] > 120); + CHECK(rig.px(0, 0)[0] < 180); +} diff --git a/test/unit/light/unit_Correction.cpp b/test/unit/light/unit_Correction.cpp index beb2cc75..e3abba73 100644 --- a/test/unit/light/unit_Correction.cpp +++ b/test/unit/light/unit_Correction.cpp @@ -725,3 +725,49 @@ TEST_CASE("RGBW white is derived in linear light, then curved once") { CHECK(out[1] == ref.briLut[0][50]); CHECK(out[2] == ref.briLut[0][0]); } + +// The W die is separate hardware the RGB trims say nothing about, so it has a trim of its own that +// pre-scales like theirs: the white channel moves through the curve, RGB does not move at all. +TEST_CASE("Correction whiteLevel: trims the white die without touching RGB") { + const uint8_t src[3] = {200, 160, 120}; // white component = min = 120 + + Correction full; + mm::test::rebuildFromPreset(full, 255, mm::test::PresetOrder::RGBW); + uint8_t a[4] = {}; + full.apply(src, a, 3); + + Correction half; + half.whiteLevel = 128; + mm::test::rebuildFromPreset(half, 255, mm::test::PresetOrder::RGBW); + uint8_t b[4] = {}; + half.apply(src, b, 3); + + CHECK(b[3] < a[3]); // white trimmed + CHECK(b[3] == half.briLut[Correction::kWhite][120]); // through its own LUT row, curve last + CHECK(b[0] == a[0]); // and RGB untouched + CHECK(b[1] == a[1]); + CHECK(b[2] == a[2]); +} + +// The limiter prices what is EMITTED, so a trimmed white must cost less: otherwise the budget is +// spent on current the strip never draws, squeezing the colors for nothing. +TEST_CASE("Correction whiteLevel: a trimmed white is priced at what it draws") { + uint8_t frame[10 * 3]; + std::memset(frame, 255, sizeof(frame)); // 10 white lights + + // White everywhere costs 400 mA at these defaults (10 x (3x255x8 + 255x16) / 255); with no + // white emitted it is 240. A budget between the two is what makes the difference visible. + Correction full; + full.budgetMa = 300; + mm::test::rebuildFromPreset(full, 255, mm::test::PresetOrder::RGBW); + full.measure(frame, 3, 10); + + Correction dim; + dim.budgetMa = 300; + dim.whiteLevel = 0; // no white emitted at all + mm::test::rebuildFromPreset(dim, 255, mm::test::PresetOrder::RGBW); + dim.measure(frame, 3, 10); + + CHECK(full.limit < 256); // over budget with the white die lit + CHECK(dim.limit == 256); // and inside it with the white die off +} diff --git a/test/unit/light/unit_LightPresetsModule.cpp b/test/unit/light/unit_LightPresetsModule.cpp index 37093474..76dbe95d 100644 --- a/test/unit/light/unit_LightPresetsModule.cpp +++ b/test/unit/light/unit_LightPresetsModule.cpp @@ -464,3 +464,33 @@ TEST_CASE("A driver referencing a missing preset falls back to the default built CHECK(lib.deriveCorrection(lib.defaultId(), 255, c)); // …and the default always does CHECK(c.outChannels == 3); } + +// whiteLevel reaches the White and WarmWhite dies only, so its gate is narrower than whiteMode's: +// a preset carrying amber or UV but no white would otherwise show a slider that changes nothing. +TEST_CASE("whiteLevel is shown for a white preset and hidden for a no-white one") { + LightPresetsModule lib; + lib.defineControls(); // seeds RGB(0) GRB(1) BGR(2) RGBW(3) GRBW(4) + + mm::NetworkSendDriver drv; + auto whiteLevelHidden = [&]() -> int { + drv.rebuildControls(); + for (uint8_t i = 0; i < drv.controls().count(); i++) + if (std::strcmp(drv.controls()[i].name, "whiteLevel") == 0) + return drv.controls()[i].hidden ? 1 : 0; + return -1; + }; + auto pickPreset = [&](uint8_t idx) { + for (uint8_t i = 0; i < drv.controls().count(); i++) + if (std::strcmp(drv.controls()[i].name, "lightPreset") == 0) + *static_cast(drv.controls()[i].ptr) = idx; + drv.rebuildControls(); + drv.onControlChanged("lightPreset"); + }; + drv.defineControls(); + + pickPreset(1); // GRB - no white die + CHECK(whiteLevelHidden() == 1); + + pickPreset(4); // GRBW - carries White + CHECK(whiteLevelHidden() == 0); +} From 318b824c91853363c690a4ea5e220c6980e06b0b Mon Sep 17 00:00:00 2001 From: Shura Fedorovskyi Date: Thu, 24 Sep 2026 16:04:22 +0400 Subject: [PATCH 24/25] Document the ambilight branch to the docgen standard Every comment this branch touched now follows the one-line rule check_docgen enforces, with the depth moved into `@moreinfo` appendices. No behavior change: the diff is comments, docs and generated assets only. check_docgen: 510 errors to 0, warnings 3211 to 3090, which is the committed baseline, with no rule risen. **Core** - VideoService: a one-line class lead, the three sources and pixel ownership in an appendix, `///` on every public control and constant - VideoFrame: `///` on every member, the tone-curve rationale moved to the appendix **Light domain** - AmbilightEffect: file lead folded into the class comment, the source/destination table redrawn as markdown - RectangleLayout: the perimeter and wiring rules moved to an appendix, `///` on the six controls - Correction: `///` on briLut, the white-mode options and the per-channel current figures - ParallelLedDriver, RmtLedDriver: `///` on limitsCurrent **Platform** - platform.h: the UVC block documented member by member, each VideoCaptureStats counter named - platform_esp32_usbvideo: the file lead carries the three-thread and buffer-ownership appendices **Tests** - unit_VideoService, unit_AmbilightEffect, unit_RectangleLayout: leads folded into their `/// @module` block **Docs/CI** - screenshot_modules: RectangleLayout, AmbilightEffect and VideoService entries, plus the five card assets they generate - repo-health refreshed Co-Authored-By: Claude Opus 5 (1M context) --- docs/assets/core/VideoService.png | Bin 0 -> 58936 bytes docs/assets/light/effects/AmbilightEffect.gif | Bin 0 -> 162908 bytes docs/assets/light/effects/AmbilightEffect.png | Bin 0 -> 15506 bytes docs/assets/light/layouts/RectangleLayout.gif | Bin 0 -> 274506 bytes docs/assets/light/layouts/RectangleLayout.png | Bin 0 -> 17160 bytes docs/moonmodules/core/services.md | 66 +++-- docs/moonmodules/light/drivers.md | 31 ++- docs/moonmodules/light/effects.md | 62 +++-- docs/moonmodules/light/layouts.md | 20 +- docs/reference/metrics/repo-health.json | 54 ++-- docs/reference/metrics/repo-health.md | 65 ++--- moondeck/docs/screenshot_modules.py | 8 + src/core/services/VideoService.h | 254 +++++++----------- src/core/util/VideoFrame.h | 45 ++-- src/light/drivers/Correction.h | 49 ++-- src/light/drivers/DriverBase.h | 3 +- src/light/drivers/ParallelLedDriver.h | 4 +- src/light/drivers/RmtLedDriver.h | 1 + src/light/effects/AmbilightEffect.h | 155 +++++------ src/light/layouts/RectangleLayout.h | 63 ++--- src/platform/desktop/platform_desktop.cpp | 3 +- src/platform/esp32/platform_config.h | 6 +- src/platform/esp32/platform_esp32.cpp | 5 +- .../esp32/platform_esp32_usbvideo.cpp | 179 +++++------- src/platform/platform.h | 78 +++--- test/scenario_runner.cpp | 4 +- test/unit/core/unit_VideoService.cpp | 69 ++--- test/unit/light/unit_AmbilightEffect.cpp | 122 +++------ test/unit/light/unit_Correction.cpp | 37 +-- test/unit/light/unit_I80Peripheral.cpp | 8 +- test/unit/light/unit_LightPresetsModule.cpp | 3 +- test/unit/light/unit_RectangleLayout.cpp | 56 ++-- 32 files changed, 649 insertions(+), 801 deletions(-) create mode 100644 docs/assets/core/VideoService.png create mode 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zERj{rki`jxJ<}ruClnr*pL00K&-VLqEz~9V{6*%Mw^rx=ms=P7|JV5c-P31lm79u) zPJ_16%*dXmLwjthj2d_jyle%{txo+TCu~W|cCE^6wq=mbhH6G}qH5IIl;Xr=$Bs-L zzW>K97=HNiX^z1p2wTQ#0_Vp$N>lrS2VGLp1a_j`%S&`=fyv36A zWkPhdt#MQL>0>TGRM6BQ8afkd!|=N7sCM`e1l`8s^Vh @@ -42,32 +44,20 @@ Detail: [technical](moxygen/AudioService.md) · [the sync packet](../light/moxyg ### Video -A Service (added by the user, not auto-wired): the video source that feeds screen-follow effects via `VideoService::latestFrame()`. The counterpart of [Audio](#audio) for a picture: one decode per tick, published once, read by however many effects want it. `source` decides which of the controls below are shown. +Video service card + +A user-added Service: the video source screen-follow effects read. The counterpart of [Audio](#audio) for a picture, decoded once per tick however many effects want it. `source` decides which controls show. Sources, HDR and staleness: ⌄ details. -- `source`: `test pattern` synthesizes a frame and needs no hardware or files; `file` reads a binary PPM off the filesystem; `usb` captures from an HDMI grabber, offered only on a target that can. -- `patternSpeed`: (test pattern) how fast the white block sweeps, in pixels per second. 0 parks it, which turns the pattern into a still reference: a border light can be compared against a known color without the block passing through its zone mid-read. -- `file`: (file) path to a binary PPM (P6, maxval 255). Upload it through the File Manager, or point at any path on the device. +- `source`: `test pattern` needs no hardware, `file` reads a PPM, `usb` captures from an HDMI grabber. +- `patternSpeed`: (test pattern) sweep rate of the white block, in pixels per second. 0 parks it. +- `file`: (file) path to a binary PPM (P6, maxval 255), uploaded through the File Manager. - `reload`: (file) re-read the file in place, without rebuilding the pipeline. -- `offered`: (usb) the resolution and frame rate to request, chosen from what the attached device advertises. Read-only until one enumerates, since the device decides what is on the list. -- `staleMs`: (usb) how long a gap in frames is tolerated before the lights go dark. A UVC device streams continuously whatever is on the wire, so a gap means the grabber stopped, not that the content paused. -- `hdr`: (usb) the source's transfer curve: `off`, `HDR10 (PQ)` or `HLG`. MJPEG carries no HDR metadata, so it is declared, not detected. With an HDR source left at `off`, the lights read washed out and hue-shifted (green lifted against red is the usual sign), because the bytes are averaged on the HDR curve rather than the display's. -- `hdrNits`: (usb, PQ only) the reference white PQ's absolute luminance is scaled to. Too low and bright channels clamp, dragging saturated hues toward their neighbors; too high and the picture reads dim. HLG is relative and does not use it. +- `offered`: (usb) the resolution and frame rate to request, from what the device advertises. +- `staleMs`: (usb) how long a gap in frames is tolerated before the lights go dark. +- `hdr`: (usb) the source's transfer curve: `off`, `HDR10 (PQ)` or `HLG`. Declared, not detected. +- `hdrNits`: (usb, PQ only) the reference white PQ's absolute luminance is scaled to. - status: the live frame's dimensions (`640x480`), or the reason there is no frame. -**The test pattern is a diagnostic, not decoration.** Four colored border bands (red top, green right, blue bottom, yellow left) and a white block sweeping along the top edge. On a border-mounted strip that makes orientation self-evident: a mis-set `startCorner` or `clockwise` on the [Rectangle](../light/layouts.md#rectangle) layout shows as the wrong physical edge lighting, rather than a subtly wrong picture. The sweeping block shows liveness and which way "forward" runs. - -**The USB source needs an ESP32-P4.** It wants two things at once and only that chip has both: a High-Speed USB PHY (the S3 has USB, but too slow to carry video) and a hardware JPEG decoder. Elsewhere the option is not offered and the two software sources still work. Choosing a format: - -- **MJPEG only.** It is what the JPEG hardware decodes, so other encodings the device advertises are filtered out of `offered` rather than listed and then refused. -- **Pick 16:9.** A 4:3 capture makes a 16:9 source letterbox into it, putting black bars where the top and bottom lights look. For bars that are in the source itself, see [Ambilight](../light/effects.md#ambilight)'s `detectBlackBars`. -- **Then prefer frame rate over resolution.** A border light averages a few hundred pixels whatever the capture size, so resolution buys nothing and bandwidth is the scarce thing. - -**Why PPM for the file source.** The capture path decodes MJPEG in hardware, behind the platform layer. There is no software JPEG decoder in this codebase, and adding one so the desktop build could open a `.jpg` would buy a dependency for a development convenience. PPM is a raw RGB dump behind a three-line ASCII header, so it needs no decoder and is one command from any source material: - -```sh -ffmpeg -i clip.mp4 -frames:v 1 -vf scale=64:36 -pix_fmt rgb24 frame.ppm -``` - Detail: [technical](moxygen/VideoService.md) [Tests](../../reference/tests/unit-tests.md#videoservice) @@ -292,3 +282,35 @@ One key binds to one row. Learning a key that another row already holds moves th The status line reports setup state ("set pin to receive" / "ready"), the learn prompt, a binding ("learned 0x..."), what a press did or why it did not, and an unbound code ("received 0x... (unassigned)"). + +## Video, details + +**The test pattern is a diagnostic, not decoration.** Four colored border bands (red top, green right, blue bottom, yellow left) and a white block sweeping along the top edge. On a border-mounted strip that makes orientation self-evident: a mis-set `startCorner` or `clockwise` on the [Rectangle](../light/layouts.md#rectangle) layout shows as the wrong physical edge lighting, rather than a subtly wrong picture. The sweeping block shows liveness and which way "forward" runs. + +**The USB source needs an ESP32-P4.** It wants two things at once and only that chip has both: a High-Speed USB PHY (the S3 has USB, but too slow to carry video) and a hardware JPEG decoder. Elsewhere the option is not offered and the two software sources still work. Choosing a format: + +- **MJPEG only.** It is what the JPEG hardware decodes, so other encodings the device advertises are filtered out of `offered` rather than listed and then refused. +- **Pick 16:9.** A 4:3 capture makes a 16:9 source letterbox into it, putting black bars where the top and bottom lights look. For bars that are in the source itself, see [Ambilight](../light/effects.md#ambilight)'s `detectBlackBars`. +- **Then prefer frame rate over resolution.** A border light averages a few hundred pixels whatever the capture size, so resolution buys nothing and bandwidth is the scarce thing. + +**Why PPM for the file source.** The capture path decodes MJPEG in hardware, behind the platform layer. There is no software JPEG decoder in this codebase, and adding one so the desktop build could open a `.jpg` would buy a dependency for a development convenience. PPM is a raw RGB dump behind a three-line ASCII header, so it needs no decoder and is one command from any source material: + +```sh +ffmpeg -i clip.mp4 -frames:v 1 -vf scale=64:36 -pix_fmt rgb24 frame.ppm +``` + +#### The sources + +`test pattern` synthesizes a frame, so it needs no hardware and no files: four colored border bands and a white block sweeping the top edge. `file` reads a binary PPM off the filesystem. `usb` captures from an HDMI grabber, and is offered only on a target with a High-Speed USB host and a JPEG decoder. + +Parking the sweep with `patternSpeed` 0 turns the pattern into a still reference: a border light can be compared against a known color without the block passing through its zone mid-read. + +#### HDR + +MJPEG carries no HDR metadata and a grabber strips what the console sends, so the curve is declared rather than detected. With an HDR source left at `off` the lights read washed out and hue-shifted, green lifted against red being the usual sign, because the bytes are averaged on the HDR curve rather than the display's. + +`hdrNits` sets the reference white PQ's absolute luminance is scaled to. Too low and bright channels clamp, dragging saturated hues toward their neighbors; too high and the picture reads dim. HLG is relative and does not use it. + +#### Staleness + +A UVC device streams continuously whatever is on the wire, so a gap in frames means the grabber stopped rather than that the content paused. `staleMs` is how long a gap is tolerated before the lights go dark. diff --git a/docs/moonmodules/light/drivers.md b/docs/moonmodules/light/drivers.md index 8cf47b41..762747c2 100644 --- a/docs/moonmodules/light/drivers.md +++ b/docs/moonmodules/light/drivers.md @@ -10,7 +10,7 @@ Several drivers can share one buffer, each driving its own slice. Every driver s ### Shared 💫 · every driver -The block every driver card opens with, shown here on RMT LED. Added once by [`DriverBase`](moxygen/DriverBase.md) so no driver re-implements it: a per-driver **output correction** (how this driver's slice looks) and a **source window** (which slice of the shared buffer it reads). A driver card leads with whichever half applies, and its own controls follow. Hue and Preview correct nothing, since the fixture and the browser do it; HUB75, Preview, NDI and HLS take the whole buffer rather than a window. +The block every driver card opens with, shown here on RMT LED. Added once by [`DriverBase`](moxygen/DriverBase.md): a per-driver **output correction** and a **source window**. Which half applies, and the current limiter: ⌄ [details](#shared-details). The shared block at the top of a driver card, here on RMT LED @@ -18,12 +18,11 @@ The block every driver card opens with, shown here on RMT LED. Added once by [`D - `curve`: brightness to output: `CIE 1931`, `gamma 2.2`, `gamma 2.8`, or `linear`. - `lightPreset`: the [light preset](supporting.md) applied per light, for order and white. - `whiteMode`: how W is derived, shown when the preset carries a W channel. -- `balanceRed` / `balanceGreen` / `balanceBlue`: per-channel white balance (0 to 255, `255` = untouched). Trim **down** to pull a white point neutral: leave the weakest channel at 255 and lower the other two to match. There is no headroom above 255, so raising clips rather than balances. On an RGBW fixture the trims also feed the synthesized W, so the white channel cannot carry a cast the trim just removed. -- `whiteLevel`: the white die's own trim (0 to 255, `255` = untouched). The RGB trims above cannot reach it: on an RGBW strip the white die is separate hardware, often brighter than the RGB trio, so whites blow out while colors look right. Trim it down like the others; 0 gives the output `whiteMode: None` gives. Shown only where the referenced preset carries a white channel. -- `maxCurrentMa`: cap the current a frame may draw, in milliamps. 0 (default) is off. The driver prices each frame before emitting it and scales the whole frame down if it is over budget, so a white screen cannot brown out the supply whatever the brightness. Set it to the supply's rating less what the board itself uses. -- `mAPerColorChannel` / `mAPerWhiteChannel`: what one channel draws at full, for that estimate. Per **channel**, not per light: a white die draws about twice a color one, so a single per-light figure under-reports white-heavy frames, which is the direction that browns out a supply. Defaults (8 and 16) are measured on a 5 m SK6812 RGBW strip. WLED carries the per-light version of this as an open issue, [#3707](https://github.com/wled/WLED/issues/3707). -- `mAPerYellowChannel` / `mAPerUvChannel`: the same for the two emitters a 6-channel lightbar adds, shown only on a fixture that carries them. Both default to 8 by assumption rather than measurement: amber sits near red, while a UV die usually draws more. -Only drivers whose lights run off **this board's supply** offer these at all: the LED drivers do, while [Network Send](#networksend), [Panel Card](#panelcard) and [Hue](#hue) feed fixtures with their own power and so have nothing to cap. A master dimmer is not counted: on the fixtures that declare one it is a control value drawing nothing from this rail, like the motion channels beside it. +- `balanceRed` / `balanceGreen` / `balanceBlue`: per-channel trim, `255` = untouched. +- `whiteLevel`: the white die's own trim (0 to 255, `255` = untouched). +- `maxCurrentMa`: cap the current a frame may draw, in milliamps. 0 (default) is off. +- `mAPerColorChannel` / `mAPerWhiteChannel`: what one channel draws at full, for that estimate. +- `mAPerYellowChannel` / `mAPerUvChannel`: the same for a 6-channel lightbar's two extra emitters. - `start`: first light of the shared buffer this driver reads (default `0`). - `count`: how many lights from `start`. **Blank drives all of them.** @@ -226,6 +225,24 @@ Detail: [technical](moxygen/RtspDriver.md) · [the RTP packetiser](moxygen/RtpH2 ## Shared, details + +#### What each half is for + +Output correction is how this driver's slice looks; the source window is which slice of the shared buffer it reads. A driver card leads with whichever half applies, and its own controls follow. Hue and Preview correct nothing, since the fixture and the browser do it; HUB75, Preview, NDI and HLS take the whole buffer rather than a window. + +#### White balance and the white die + +Trim the balances **down** to pull a white point neutral: leave the weakest channel at 255 and lower the other two to match. There is no headroom above 255, so raising clips rather than balances. + +`whiteLevel` is separate, because the RGB trims cannot reach the W die: on an RGBW strip the white phosphor is its own hardware, often brighter than the RGB trio, so whites blow out while colors look right. It trims the white channel alone and leaves RGB untouched. 0 gives the same output as `whiteMode: None`. Shown only where the referenced preset carries a white channel. + +#### The current limiter + +The driver prices each frame before emitting it and scales the whole frame down if it is over budget, so a white screen cannot brown out the supply whatever the brightness. Set `maxCurrentMa` to the supply's rating less what the board itself uses. + +The per-channel figures are per **channel**, not per light: a white die draws about twice a color one, so a single per-light figure under-reports white-heavy frames, which is the direction that browns out a supply. Defaults (8 and 16) are measured on a 5 m SK6812 RGBW strip. WLED carries the per-light version of this as an open issue, [#3707](https://github.com/wled/WLED/issues/3707). The lightbar figures default to 8 by assumption rather than measurement: amber sits near red, while a UV die usually draws more. + +Only drivers whose lights run off **this board's supply** offer these at all: the LED drivers do, while [Network Send](#networksend), [Panel Card](#panelcard) and [Hue](#hue) feed fixtures with their own power and so have nothing to cap. A master dimmer is not counted: on the fixtures that declare one it is a control value drawing nothing from this rail, like the motion channels beside it. **A `lightPreset` reference survives some changes and not others.** The driver holds the preset's stable id at runtime, so **reordering** presets never disturbs it, and the reference **survives a reboot** because the preset's name is persisted and re-resolved on load. The caveat is **renaming**: within a session the id keeps the link, but after a reboot a renamed preset no longer matches the persisted name and the driver falls back to the default. Re-pick it if you rename a preset a driver uses. **`start` and `count` are how several drivers share one buffer.** Blank `count` drives every light; a number drives only that slice. An onboard status LED takes `start 0, count 1` while the main strip runs from `start 1`, both reading the same buffer. diff --git a/docs/moonmodules/light/effects.md b/docs/moonmodules/light/effects.md index fb83f48d..66ed1857 100644 --- a/docs/moonmodules/light/effects.md +++ b/docs/moonmodules/light/effects.md @@ -367,7 +367,6 @@ Shapes placed between pixels rather than on them. A clock hand drawn on whole pi - `drift`: how far the scene wanders from center, in pixels; 0 pins it. - `zoom`: the camera pushes in and settles back; 0 holds it fixed. - Origin: MoonLight (Sutaburosu) Detail: [technical](moxygen/FixedPointEffect.md) @@ -501,7 +500,6 @@ Several noise fields, each on its own clock, read in polar coordinates and compo - `octaves`: detail within each layer, multiplying the cost knob. - `polarTable`, `polarTable16`: as PolarNoise above. - Origin: projectMM original, in the shader vocabulary Stefan Petrick made recognizable in the LED world Detail: [technical](moxygen/AuroraEffect.md) @@ -1178,29 +1176,17 @@ Detail: [technical](moxygen/NoiseEffect.md) ### Ambilight 📺 -Paints the layer with the live frame from the [Video](../core/services.md#video) service, so lights around a display glow the color of the picture nearest them: the screen-follow / Hyperion behavior. Each light shows the **mean** of the source rectangle mapping to it, which is steady where a single sampled pixel would flicker on grain and moving edges. - -- `brightness`: scales the sampled color. Dims *the video*, unlike the driver's brightness which dims everything. -- `saturation`: how far each channel is pushed from its zone's luma, as a percentage (100 = the mean untouched). Averaging mixes hues, so screen-follow lighting reads washed out without a boost. -- `smoothing`: how much of the gap to a light's new color is closed per frame. 0 follows the picture exactly; about 200 is Hyperion's default feel, roughly 200 ms to settle. The top of the range is a slow color wash rather than an ambilight. -- `snapAbove`: a channel moving further than this jumps instead of easing. A scene cut is a real jump, and smoothing through it reads as the lights lagging the picture. -- `edgeDepth`: how far into the picture the **outermost** lights look, as a percentage. Their own share is 1/height of the frame, a sliver at the very edge where compression is worst; Hyperion samples about 8%. It **sets** the depth rather than raising a floor, so a value below a position's own share makes its zone thinner instead. 0 keeps the plain division, which is what a video wall wants. -- `detectBlackBars`: map the lights across the **picture** rather than the frame. Without it a 2.35:1 film puts bars exactly where the top and bottom lights look, and they go dark while the screen is bright. `edgeDepth` cannot fix that: it widens a zone from the edge, so the bar stays inside it. -- `barLevel`: how dark a pixel must be to count as bar (0 to 64). Not 0, because compression leaves ringing at the bar/picture boundary. The default 12 (about 5%) matches Hyperion and suits MJPEG, which is conventionally full-range so black arrives near 0. **If bars are never detected**, suspect a grabber passing limited range through: black then sits at 16 and nothing below 12 ever matches, so raise this above 16. Lower it if dark scenes get cropped instead. +Ambilight effect preview -Bar detection resists a dark *scene* two ways: a reading is adopted only after 30 agreeing frames, and anything deeper than 40% of an axis is refused as a scene rather than a bar. +Paints the layer with the live frame from the [Video](../core/services.md#video) service, so lights around a display glow the color of the picture nearest them. Each light shows the **mean** of the rectangle mapping to it. Sampling, black bars and the layout's part: ⌄ details. -**The layout decides the shape.** The effect fills a logical box and knows nothing else. On a [Rectangle](layouts.md#rectangle) the interior maps to no LED, so a border strip shows the frame's border; on a [Grid](layouts.md#grid) the same effect is a video wall. Where your strip starts and which way it runs are `startCorner`, `offset` and `clockwise` on the layout, not settings here. - -With no video source it paints black. Every effect owns its background, so returning early would leave the previous effect's picture frozen on the strip. - -Origin: projectMM - -Detail: [technical](moxygen/AmbilightEffect.md) - -[Tests](../../reference/tests/unit-tests.md#ambilighteffect) - - +- `brightness`: scales the sampled color, dimming the video not the output. +- `saturation`: how far each channel is pushed from its zone's luma. +- `smoothing`: how much of the gap to a new color closes per frame. +- `snapAbove`: a channel moving further than this jumps instead of easing. +- `edgeDepth`: how far into the picture the outermost lights look. +- `detectBlackBars`: map the lights across the picture, not the frame. +- `barLevel`: how dark a pixel counts as bar (0 to 64). ### MoonLive 📝 · any @@ -1342,3 +1328,33 @@ Origin: MoonLight (Sinus, AI-generated) · via [MoonLight](https://github.com/Mo Detail: [technical](moxygen/SineEffect.md) [Tests](../../reference/tests/unit-tests.md#sineeffect) + +## Ambilight, details + +#### Why the mean + +A single sampled pixel flickers on film grain and moving edges. The mean of the whole rectangle is steady, which is what makes the light read as belonging to the picture rather than chasing it. This is the box filter Hyperion uses. + +#### Sampling depth + +`edgeDepth` **sets** the depth rather than raising a floor, so a value below a position's own share makes its zone thinner instead. The outermost lights' own share is 1/height of the frame, a sliver at the very edge where compression is worst; Hyperion samples about 8%. + +#### Black bars + +`barLevel` defaults to 12, about 5%, which matches Hyperion and suits MJPEG: that is conventionally full-range, so black arrives near 0. **If bars are never detected**, suspect a grabber passing limited range through: black then sits at 16 and nothing below 12 ever matches, so raise this above 16. Lower it if dark scenes get cropped instead. + +`edgeDepth` cannot substitute for detection: it widens a zone from the edge, so a bar stays inside it. Detection resists a dark *scene* two ways: a reading is adopted only after 30 agreeing frames, and anything deeper than 40% of an axis is refused as a scene rather than a bar. + +#### The layout decides the shape + +The effect fills a logical box and knows nothing else. On a [Rectangle](layouts.md#rectangle) the interior maps to no LED, so a border strip shows the frame's border; on a [Grid](layouts.md#grid) the same effect is a video wall. Where your strip starts and which way it runs are `startCorner`, `offset` and `clockwise` on the layout, not settings here. + +With no video source it paints black. Every effect owns its background, so returning early would leave the previous effect's picture frozen on the strip. + +Origin: projectMM + +Detail: [technical](moxygen/AmbilightEffect.md) + +[Tests](../../reference/tests/unit-tests.md#ambilighteffect) + + diff --git a/docs/moonmodules/light/layouts.md b/docs/moonmodules/light/layouts.md index e4413c97..bc5bda9d 100644 --- a/docs/moonmodules/light/layouts.md +++ b/docs/moonmodules/light/layouts.md @@ -260,17 +260,15 @@ Detail: [technical](moxygen/GridBlacksLayout.md) ### Rectangle +Rectangle layout preview + Lights around the **perimeter** of a `width` x `height` box, nothing inside it: the strip-around-a-frame primitive. A box one light thick degenerates to a plain line. Use [Grid](#grid) when the interior has LEDs too. -- `width` / `height`: box extent in lights along each edge (1 to 500); 32x18 default is 16:9. -- `startCorner`: which corner light 0 sits at, top-left / top-right / bottom-right / bottom-left. -- `offset`: lights past that corner where the strip actually begins, for a run that starts partway along an edge. +- `width` / `height`: box extent in lights along each edge (1 to 500). +- `startCorner`: which corner light 0 sits at. +- `offset`: lights past that corner where the strip begins. - `clockwise`: direction the indices run from that corner. -- `sharedCorners`: on (default), one light sits in each corner and the count is `2·(width + height) − 4`, a single strip bent around a frame. Off, each edge keeps its own end and the count is the plain sum `2·(width + height)`: four separate strips, two lights on each corner coordinate. A 20x10 box is 56 lights shared, 60 unshared. - -`startCorner`, `offset` and `clockwise` describe the **wiring, not the shape**: they reorder indices while every coordinate stays identical, so set them to match your build and an effect's "top edge" lights the physical top edge. Same split [Single Row](#singlerow) draws with `reversed order` and [Grid](#grid) with `serpentine`. `sharedCorners` is the exception, since it changes how many lights there are. - -Origin: projectMM +- `sharedCorners`: on (default), one light per corner: `2·(width + height) − 4`. Detail: [technical](moxygen/RectangleLayout.md) @@ -330,3 +328,9 @@ A script calling `random16` breaks that determinism. The passes disagree on the `t` is the one system variable a layout reads, and it is always 0: the script runs twice per rebuild and must agree with itself. `width`, `height` and `depth` read 0, since a layout is upstream of the grid it defines. A script names its own size controls, such as `cols` and `rows`. The pipeline derives the bounding box from the coordinates actually placed, so a size passed in from outside would be a second answer that could disagree with the first. + +## Rectangle, details + +`startCorner`, `offset` and `clockwise` describe the **wiring, not the shape**: they reorder indices while every coordinate stays identical, so set them to match your build and an effect's "top edge" lights the physical top edge. Same split [Single Row](#singlerow) draws with `reversed order` and [Grid](#grid) with `serpentine`. `sharedCorners` is the exception, since it changes how many lights there are. + +Origin: projectMM diff --git a/docs/reference/metrics/repo-health.json b/docs/reference/metrics/repo-health.json index e53c733e..6747c0e5 100644 --- a/docs/reference/metrics/repo-health.json +++ b/docs/reference/metrics/repo-health.json @@ -1,5 +1,5 @@ { - "commit": "09e28ac6", + "commit": "4e6f97ba", "flash": { "esp32s3-n16r8": 2134032, "desktop": 1991400, @@ -14,7 +14,8 @@ "qemu": 1383648, "esp32p4rev3-eth": 1643760, "esp32s3-zero": 2024192, - "esp32-pico": 2107168 + "esp32-pico": 2107168, + "esp32p4rev3-eth-wifi": 2492240 }, "measured": { "esp32p4rev1-eth": "2026-09-22", @@ -27,12 +28,13 @@ "esp32s3-zero": "2026-09-08", "esp32-16mb": "2026-09-09", "esp32p4rev1-eth-wifi": "2026-09-22", - "esp32-eth": "2026-09-11" + "esp32-eth": "2026-09-11", + "esp32p4rev3-eth-wifi": "2026-09-23" }, "perf": { "desktop": { - "tick_us": 180, - "fps": 5555, + "tick_us": 94, + "fps": 10638, "scenario_p50": { "Layer_base_pipeline": { "p50": 69, @@ -49,8 +51,8 @@ } }, "esp32": { - "tick_us": 8354, - "fps": 119 + "tick_us": 21016, + "fps": 47 }, "scenario_matrix": { "MoonModule_control_change": { @@ -698,54 +700,54 @@ } }, "loc": { - "core": 22120, - "light": 30733, - "platform": 16771, + "core": 22723, + "light": 31423, + "platform": 17506, "ui": 11329, - "test": 56882, - "moondeck": 27247 + "test": 58345, + "moondeck": 27251 }, "comments": { "core": { - "lines": 5611, - "ratio": 0.28 + "lines": 5786, + "ratio": 0.281 }, "light": { - "lines": 7392, + "lines": 7549, "ratio": 0.27 }, "platform": { - "lines": 3605, - "ratio": 0.24 + "lines": 3777, + "ratio": 0.241 }, "ui": { "lines": 3384, "ratio": 0.315 }, "test": { - "lines": 6408, - "ratio": 0.131 + "lines": 6665, + "ratio": 0.133 }, "moondeck": { - "lines": 4578, + "lines": 4576, "ratio": 0.191 } }, "tests": { - "cases": 2099, - "scenarios": 27 + "cases": 2170, + "scenarios": 28 }, "docs": { - "md_files": 140, - "md_lines": 28611, + "md_files": 134, + "md_lines": 27990, "plans_files": 37, "backlog_lines": 3110, "lessons_lines": 526, "claude_md_lines": 281 }, "complexity": { - "functions": 3688, - "over_threshold": 276, + "functions": 3804, + "over_threshold": 282, "worst_ccn": 128 } } diff --git a/docs/reference/metrics/repo-health.md b/docs/reference/metrics/repo-health.md index 39df888f..c3fed720 100644 --- a/docs/reference/metrics/repo-health.md +++ b/docs/reference/metrics/repo-health.md @@ -1,6 +1,6 @@ # Repo health -Measured at `09e28ac6`. Generated by [`moondeck/check/repo_health.py`](../../../moondeck/check/repo_health.py) on every KPI-gate run. **Do not edit by hand.** +Measured at `4e6f97ba`. Generated by [`moondeck/check/repo_health.py`](../../../moondeck/check/repo_health.py) on every KPI-gate run. **Do not edit by hand.** Current state only; the trend is this file's git history (`git log -p docs/reference/metrics/repo-health.md`). Nothing here fails a build: the numbers make growth visible, the judgment stays human. @@ -8,19 +8,20 @@ Current state only; the trend is this file's git history (`git log -p docs/refer | Target | Flash | Capacity | Used | Built | |---|---:|---:|---:|:--:| -| desktop | 1,945 KB (+560 B) ⚠ | - | - | yes | -| esp32 | 2,036 KB | 2,496 KB | 82% | carried 0d | -| esp32-16mb | 2,012 KB | 4,096 KB | 49% | **STALE 13d** | -| esp32-eth | 1,642 KB | 2,496 KB | 66% | **STALE 11d** | -| esp32-pico | 2,058 KB | 3,072 KB | 67% | **STALE 13d** | +| desktop | 1,945 KB | - | - | carried 1d | +| esp32 | 2,036 KB | 2,496 KB | 82% | carried 1d | +| esp32-16mb | 2,012 KB | - | - | **STALE 14d** | +| esp32-eth | 1,642 KB | 2,496 KB | 66% | **STALE 12d** | +| esp32-pico | 2,058 KB | - | - | **STALE 14d** | | esp32-wrover | 1,801 KB | - | - | carried (age?) | -| esp32p4rev1-eth | 1,998 KB (+2 KB) ⚠ | 4,096 KB | 49% | yes | -| esp32p4rev1-eth-wifi | 2,277 KB | 4,096 KB | 56% | yes | -| esp32p4rev3-eth | 1,605 KB | - | - | carried (age?) | -| esp32s3-n16r8 | 2,084 KB | 4,096 KB | 51% | carried 1d | -| esp32s3-n8r8 | 2,038 KB | 3,072 KB | 66% | **STALE 14d** | -| esp32s3-zero | 1,977 KB | 2,496 KB | 79% | **STALE 14d** | -| esp32s31 | 2,371 KB | 4,096 KB | 58% | carried 0d | +| esp32p4rev1-eth | 1,998 KB | 4,096 KB | 49% | carried 1d | +| esp32p4rev1-eth-wifi | 2,277 KB | 4,096 KB | 56% | carried 1d | +| esp32p4rev3-eth | 1,605 KB | 4,096 KB | 39% | carried (age?) | +| esp32p4rev3-eth-wifi | 2,434 KB | 4,096 KB | 59% | yes | +| esp32s3-n16r8 | 2,084 KB | 4,096 KB | 51% | carried 2d | +| esp32s3-n8r8 | 2,038 KB | - | - | **STALE 15d** | +| esp32s3-zero | 1,977 KB | 2,496 KB | 79% | **STALE 15d** | +| esp32s31 | 2,371 KB | - | - | carried 1d | | qemu | 1,351 KB | - | - | carried (age?) | `Built: yes` was measured this run. `carried (age?)` was not rebuilt either and predates this record, so its age is unknown: it dates itself on the next build. `carried Nd` was NOT rebuilt and its number is N days old, so an absent delta says nothing about the change. **STALE** marks a carry older than 7 days: the number has gone unchecked long enough that growth will surface later as one jump, blamed on whichever commit happens to rebuild that target. `Used` is against the app slot in the firmware's own partition table. @@ -29,8 +30,8 @@ Current state only; the trend is this file's git history (`git log -p docs/refer | Target | Tick | FPS | |---|---:|---:| -| desktop | 180 µs (+28 µs) ⚠ | 5,555 (−1,023) ⚠ | -| esp32 | 8,354 µs | 119 | +| desktop | 94 µs (−86 µs) ✓ | 10,638 (+5,083) ✓ | +| esp32 | 21,016 µs (+12,662 µs) ⚠ | 47 (−72) ⚠ | ### Scenario tick by target (p50 of each sample window) @@ -39,12 +40,12 @@ Current state only; the trend is this file's git history (`git log -p docs/refer | Audio_mutation | 22 | 40 ? | 13,152 | 47 ? | - | - | - | - | - | | Aurora_fps | 1,522 | - | - | - | - | - | - | - | - | | Driver_mutation | 20 | 42 ? | 12,812 | 39 ? | - | - | - | - | - | -| Effects_composition | 145 (+1) ⚠ | 549 ? | - | - | - | - | - | - | - | +| Effects_composition | 145 | 549 ? | - | - | - | - | - | - | - | | Fields_polar_lut | 1,263 | - | - | - | - | - | - | - | - | | Fluid_solver | 217 | - | - | - | - | - | - | - | - | | GridBlacks_blackpixel | 2 | 8 ? | 269 ? | 267 ? | - | - | - | - | - | | GridLayout_resize | 120 | 219 ? | 1,352 ? | 1,011 ? | 1,143 ? | - | 95,771 ? | 82,231 ? | - | -| Layer_base_pipeline | 69 (−1) ✓ | 118 ? | - | - | - | - | - | - | - | +| Layer_base_pipeline | 69 | 118 ? | - | - | - | - | - | - | - | | Layer_memory_1to1 | 5 | 1 ? | - | - | - | - | - | - | - | | Layouts_mutation | 93 | 111 ? | 13,692 | 45 ? | - | - | 27 ? | - | - | | MoonLiveEffect_controls | 11 ? | - | 12,901 | 4,624 ? | - | - | - | - | - | @@ -59,7 +60,7 @@ Current state only; the trend is this file's git history (`git log -p docs/refer | Trails_ladder | 358 | - | - | - | - | - | - | - | - | | modifier_chain | 43 | 69 ? | 13,337 | - | - | - | - | - | - | | modifier_swap | 23 | 41 ? | 12,250 | 354 ? | 362 ? | - | 1,010 ? | - | - | -| perf_full | 252 (+1) ⚠ | 592 ? | 10,392 | 16,915 ? | 17,433 ? | - | - | - | - | +| perf_full | 252 | 592 ? | 10,392 | 16,915 ? | 17,433 ? | - | - | - | - | | perf_light | 16 | 35 ? | 2,183 | 2,485 ? | 2,038 ? | - | - | - | - | | peripheral_grid_sweep | 254 | 649 ? | 6,991 ? | - | 11,495 ? | 12,273 ? | - | - | - | | peripheral_switch | 4 | 9 ? | 437 | 46 ? | 217 ? | - | - | - | - | @@ -72,7 +73,7 @@ Microseconds. `?` marks a cell backed by fewer than 4 samples, which is a first | Scenario | p50 | p95 | n | |---|---:|---:|---:| -| Layer_base_pipeline | 69 µs (−1 µs) ✓ | 74 µs | 32 | +| Layer_base_pipeline | 69 µs | 74 µs | 32 | | Layer_memory_1to1 | 5 µs | 24 µs | 32 | These build a bare pipeline with no optional modules, so a change here is a change in the pipeline itself rather than in what was measured. A new module belongs in an advanced scenario, which keeps its own numbers. @@ -81,36 +82,36 @@ These build a bare pipeline with no optional modules, so a change here is a chan | Area | Lines | Comments | Comment share | |---|---:|---:|---:| -| core | 22,120 (+30) ⚠ | 5,611 | 28.0 % (+0.1 %) ⚠ | -| light | 30,733 (+102) ⚠ | 7,392 | 27.0 % | -| platform | 16,771 (+148) ⚠ | 3,605 | 24.0 % (+0.3 %) ⚠ | +| core | 22,723 (+603) ⚠ | 5,786 | 28.1 % (+0.1 %) ⚠ | +| light | 31,423 (+690) ⚠ | 7,549 | 27.0 % | +| platform | 17,506 (+735) ⚠ | 3,777 | 24.1 % (+0.1 %) ⚠ | | ui | 11,329 | 3,384 | 31.5 % | -| test | 56,882 (+66) ⚠ | 6,408 | 13.1 % | -| moondeck | 27,247 | 4,578 | 19.1 % | +| test | 58,345 (+1,463) ⚠ | 6,665 | 13.3 % (+0.2 %) ⚠ | +| moondeck | 27,251 (+4) ⚠ | 4,576 | 19.1 % | ## Tests | Kind | Count | |---|---:| -| unit cases | 2,099 (+3) ✓ | -| scenarios | 27 | +| unit cases | 2,170 (+71) ✓ | +| scenarios | 28 (+1) ✓ | ## Complexity | Metric | Value | |---|---:| -| functions | 3,688 (+9) ✓ | -| over threshold | 276 (+3) ⚠ | +| functions | 3,804 (+116) ✓ | +| over threshold | 282 (+6) ⚠ | | worst CCN | 128 | ## Documentation | Metric | Value | |---|---:| -| markdown files | 140 (+1) ⚠ | -| markdown lines | 28,611 (+203) ⚠ | -| plan files | 37 (+5) ⚠ | -| backlog lines | 3,110 (+74) ⚠ | +| markdown files | 134 (−6) ✓ | +| markdown lines | 27,990 (−621) ✓ | +| plan files | 37 | +| backlog lines | 3,110 | | lessons lines | 526 | | CLAUDE.md lines | 281 | diff --git a/moondeck/docs/screenshot_modules.py b/moondeck/docs/screenshot_modules.py index 33de9e4a..d4cd4be7 100644 --- a/moondeck/docs/screenshot_modules.py +++ b/moondeck/docs/screenshot_modules.py @@ -98,11 +98,17 @@ def asset_dir_for(type_name: str) -> Path: MODULES = [ # Layouts ("GridLayout", "Layouts", {}, True), + # The border layout the screen-follow effect is built for: a ring with the corners shared, so + # the preview shows the perimeter rather than a filled box. + ("RectangleLayout", "Layouts", {"width": 24, "height": 16}, True), # The scripted layout, whose preview is the shape a script places rather than a control # panel: it runs `rose.mll`, a rhodonea curve whose petals no compiled layout defines, # so the capture shows what a script buys that a C++ class does not. ("MoonLiveLayout", "Layouts", {"script": "rose.mll"}, True), # Effects + # Paints the live video frame, so with no source it photographs black. The capture points it + # at the test pattern, whose four coloured bands and sweeping block are what the effect is for. + ("AmbilightEffect", "Layer", {}, True), ("RainbowEffect", "Layer", {}, True), ("NoiseEffect", "Layer", {}, True), # The generative-fields showcases: each is Dim::D3, so the preview shows a volume. @@ -178,6 +184,7 @@ def asset_dir_for(type_name: str) -> Path: # (not in state); capture these against a board when needed. "ImprovProvisioningModule", "AudioService", + "VideoService", "AnalogService", "I2cScanModule", "InfraredService", @@ -203,6 +210,7 @@ def asset_dir_for(type_name: str) -> Path: # the desktop tree — so they're captured against an ESP32, where these entries route the # shot to the right nav root. "AudioService": "Services", + "VideoService": "Services", "AnalogService": "Services", "InfraredService": "Services", "ButtonService": "Services", diff --git a/src/core/services/VideoService.h b/src/core/services/VideoService.h index a1426297..9d2770e3 100644 --- a/src/core/services/VideoService.h +++ b/src/core/services/VideoService.h @@ -15,68 +15,84 @@ namespace mm { -/// The device's video input: one decoded RGB frame per tick, published through the static -/// `latestFrame()`. Decoded once here however many effects read it, and effects hold no pointer -/// to this module. +/// The device's video input: one decoded RGB frame per tick, published through the static `latestFrame()`. /// -/// Three sources. `test pattern` is a DIAGNOSTIC, not decoration: its colored border bands make a -/// border-mapped effect's orientation self-evident, so a mis-set `startCorner` shows up as the -/// wrong physical edge lighting rather than as a subtly wrong picture. `file` reads a binary PPM. -/// `usb` captures from an HDMI grabber, where the platform has the hardware for it. +/// @moreinfo /// -/// PPM rather than JPEG because there is no software JPEG decoder here. the real capture path uses -/// the P4's JPEG hardware behind the platform layer, and adding one for the desktop build would buy -/// a dependency for a convenience. +/// Decoded once here however many effects read it, and effects hold no pointer back to this module. +/// Not auto-wired: the user adds it under the `Services` container. /// -/// Ownership of the pixels differs per source: the software ones render into buf_, which this -/// module owns; usb BORROWS the decoder's output buffer, which the platform owns while the device -/// is open. So the device is only ever closed through closeCapture(), which drops the frame first. +/// ## Three sources /// -/// Not auto-wired: the user adds it under the `Services` container +/// `test pattern` is a DIAGNOSTIC rather than decoration: its colored border bands make a border-mapped effect's orientation self-evident. +/// A mis-set `startCorner` then shows as the wrong physical edge lighting rather than as a subtly wrong picture. +/// `file` reads a binary PPM, and `usb` captures from an HDMI grabber where the platform has the hardware for it. +/// PPM rather than JPEG because there is no software JPEG decoder here, and the capture path uses the P4's JPEG hardware behind the platform layer. +/// +/// ## Who owns the pixels +/// +/// The software sources render into `buf_`, which this module owns. +/// `usb` BORROWS the decoder's output buffer, which the platform owns while the device is open. +/// So the device is only ever closed through closeCapture(), which drops the frame first. class VideoService : public MoonModule { public: + /// A service: it produces for others and draws nothing itself. ModuleRole role() const MM_NONBLOCKING override { return ModuleRole::Service; } // Appended, never reordered, so a persisted index keeps its meaning. + /// `source` value for the synthesized diagnostic pattern. static constexpr uint8_t kSourcePattern = 0; + /// `source` value for a binary PPM on the filesystem. static constexpr uint8_t kSourceFile = 1; - static constexpr uint8_t kSourceUsb = 2; // platform::hasUsbVideo only + /// `source` value for an HDMI grabber, offered only where platform::hasUsbVideo. + static constexpr uint8_t kSourceUsb = 2; + /// Dropdown labels for `source`, indexed by the constants above. static constexpr const char* kSourceOptions[] = {"test pattern", "file", "usb"}; - // A target with no High-Speed USB host or no JPEG decoder cannot capture, so it is not offered - // the option: the two software sources still work everywhere. + // A target with no High-Speed USB host and no JPEG decoder cannot capture, so it is not offered the option, and the two software sources still work everywhere. + /// How many of `kSourceOptions` this build offers. static constexpr uint8_t kSourceCount = platform::hasUsbVideo ? 3 : 2; + /// Which of `kSourceOptions` fills the frame. uint8_t source = kSourcePattern; + /// Path the `file` source reads. char file[64] = "/frame.ppm"; - uint8_t usbFormat = 0; // index into the device's advertised list; the only USB setting persisted - uint16_t staleMs = 2000; // gap tolerated before the lights go dark - - // The source's transfer curve. MJPEG carries no HDR metadata, so this is declared, not - // detected. - static constexpr uint8_t kHdrOff = 0, kHdrPq = 1, kHdrHlg = 2; + /// Index into the device's advertised format list, and the only USB setting persisted. + uint8_t usbFormat = 0; + /// Gap tolerated before the lights go dark, in milliseconds. + uint16_t staleMs = 2000; + + // MJPEG carries no HDR metadata, so the source's transfer curve is declared here rather than detected. + /// `hdr` value for a display-encoded source, which is sRGB. + static constexpr uint8_t kHdrOff = 0; + /// `hdr` value for HDR10, the SMPTE ST 2084 curve. + static constexpr uint8_t kHdrPq = 1; + /// `hdr` value for HLG, the ARIB STD-B67 curve. + static constexpr uint8_t kHdrHlg = 2; + /// Dropdown labels for `hdr`, indexed by the constants above. static constexpr const char* kHdrOptions[] = {"off", "HDR10 (PQ)", "HLG"}; + /// How many of `kHdrOptions` are offered. static constexpr uint8_t kHdrCount = 3; + /// Which transfer curve the capture source carries. uint8_t hdr = kHdrOff; - // PQ is absolute luminance, so it needs a reference white. Too low and bright channels clamp, - // dragging saturated hues toward their neighbors; too high and the picture reads dim. + // Too low and bright channels clamp, dragging saturated hues toward their neighbors, and too high and the picture reads dim. + /// Reference white for the PQ curve, in nits, since PQ is absolute luminance. uint16_t hdrNits = 2000; - // Sweep rate of the test pattern's white block, in PIXELS PER SECOND. 0 parks it, which makes - // the pattern a still reference for checking a border light against a known color. 17 is the - // rate it used to be hard-coded to: a sweep every ~4 s. + // Zero parks the block, which makes the pattern a still reference for checking a border light against a known color. Seventeen is the rate it used to be fixed at: a sweep every ~4 s. + /// Sweep rate of the test pattern's white block, in pixels per second. uint8_t patternSpeed = 17; - // Synthesized-pattern extent. Small on purpose: a border effect averages the frame down to a - // few dozen values, so pixels beyond that buy nothing but bandwidth and decode time. 16:9. + // Small on purpose: a border effect averages the frame down to a few dozen values, so pixels beyond that buy nothing but bandwidth and decode time. + /// Width of the synthesized pattern, 16:9 with kPatternH. static constexpr uint16_t kPatternW = 64; + /// Height of the synthesized pattern. static constexpr uint16_t kPatternH = 36; - static constexpr int kBand = kPatternH / 4; // thickness of each colored edge - // Sanity ceiling for a loaded file - comfortably past 4K, so a corrupt header is rejected at - // parse time with a clear message instead of failing later as "too large for memory". What - // actually bounds the allocation is buf_.resize() failing, which allocate() handles. + /// Thickness of each colored edge band, in pixels. + static constexpr int kBand = kPatternH / 4; + // Comfortably past 4K, so a corrupt header is rejected at parse time rather than failing later as "too large for memory". What bounds the allocation is buf_.resize() failing. + /// Sanity ceiling on either dimension of a loaded file. static constexpr uint32_t kMaxDim = 4096; - /// The live frame. The POINTER is never null - with no source this returns kNoVideoFrame, which - /// has a null `rgb`. So callers test the frame's contents, never the pointer + /// The live frame. The POINTER is never null - with no source this returns kNoVideoFrame, which has a null `rgb`. So callers test the frame's contents, never the pointer static const VideoFrame* latestFrame() MM_NONBLOCKING { VideoService* v = ActiveInstance::active(); return v ? &v->frame_ : &kNoVideoFrame; @@ -85,34 +101,30 @@ class VideoService : public MoonModule { /// Test seam: the curve as built. const uint16_t* toneForTest() const { return tone_; } + /// Claims the one-active-source seat at construction, before any prepare() runs. VideoService() { seat_.claim(); } + /// The source picker, plus the settings that belong to whichever source is selected. void defineControls() override { controls_.addSelect("source", source, kSourceOptions, kSourceCount); - // Live (not in affectsPrepare): the rate changes what the NEXT frame draws, and nothing - // about the buffer, so it must not tear the pipeline down to take effect. + // Live (not in affectsPrepare): the rate changes what the NEXT frame draws, and nothing about the buffer, so it must not tear the pipeline down to take effect. controls_.addControl("patternSpeed", patternSpeed, 0, 255); controls_.setHidden(controls_.count() - 1, source != kSourcePattern); controls_.addText("file", file, sizeof(file)); controls_.setHidden(controls_.count() - 1, source != kSourceFile); controls_.addButton("reload"); controls_.setHidden(controls_.count() - 1, source != kSourceFile); - // The device decides what is on offer, so there is nothing to type. Until one has - // enumerated the control still renders (read-only, holding a placeholder) rather than - // appearing out of nowhere once a cable is plugged in. + // The device decides what is on offer, so there is nothing to type. Until one has enumerated the control still renders (read-only, holding a placeholder) rather than appearing out of nowhere once a cable is plugged in. static constexpr const char* kNoDevice[] = {"no device"}; const bool known = formatCount_ > 0; controls_.addSelect("offered", usbFormat, known ? formatOptions_ : kNoDevice, known ? formatCount_ : 1); controls_.setHidden(controls_.count() - 1, source != kSourceUsb); controls_.setReadOnly(controls_.count() - 1, !known); - // How long a gap in frames is tolerated before the lights go dark. Floored above a frame - // interval, not 0: the render loop outruns the capture, so ordinary gaps between frames - // would otherwise read as loss and strobe the room. + // How long a gap in frames is tolerated before the lights go dark. Floored above a frame interval, not 0: the render loop outruns the capture, so ordinary gaps between frames would otherwise read as loss and strobe the room. controls_.addControl("staleMs", staleMs, 100, 10000); controls_.setHidden(controls_.count() - 1, source != kSourceUsb); - // Live: changes how the buffer is read, not its size. Capture-only; other sources are - // authored display-encoded. + // Live: changes how the buffer is read, not its size. Capture-only; other sources are authored display-encoded. controls_.addSelect("hdr", hdr, kHdrOptions, kHdrCount); controls_.setHidden(controls_.count() - 1, source != kSourceUsb); controls_.addControl("hdrNits", hdrNits, 100, 10000); @@ -120,13 +132,13 @@ class VideoService : public MoonModule { MoonModule::defineControls(); } - /// A source switch changes what the buffer must hold, so it re-runs the whole build. The reload - /// button re-reads the same file in place: cheap, and it must NOT tear down the pipeline. + /// A source switch changes what the buffer must hold, so it re-runs the whole build. The reload button re-reads the same file in place: cheap, and it must NOT tear down the pipeline. bool affectsPrepare(const char* name) const override { return std::strcmp(name, "source") == 0 || std::strcmp(name, "file") == 0 || std::strcmp(name, "offered") == 0; } + /// Routes the live edits: the reload button, a format pick, and anything that moves the curve. void onControlChanged(const char* name) override { if (std::strcmp(name, "reload") == 0) loadFile(); if (std::strcmp(name, "offered") == 0) applyFormat(); @@ -135,21 +147,15 @@ class VideoService : public MoonModule { MoonModule::onControlChanged(name); } - /// Cold path: size the frame buffer for the selected source and fill it once, so a frame exists - /// before the first tick rather than one tick later. + /// Cold path: size the frame buffer for the selected source and fill it once, so a frame exists before the first tick rather than one tick later. void prepare() override { seat_.claim(); // re-take after a disable/enable cycle: release() vacated it if (source >= kSourceCount) source = kSourcePattern; // a config restored from a capture-capable board rebuildTone(); // every source has a curve, and a restored `hdr` lands as a VALUE, not an edit if (source == kSourceUsb) { - // Resolve the selected row FIRST: usbWidth/Height are what captureCurrent() compares - // against, and they only ever moved inside openCapture(). A restored usbFormat that - // arrives after the first prepare would otherwise never reach them, so the check would - // keep reporting the stale request as current and never reopen. + // Resolve the selected row FIRST: usbWidth/Height are what captureCurrent() compares against, and a restored usbFormat arriving later would never reach them. applyFormat(); - // Every tree-wide rebuild lands here too (a layout resized, a module added), and the - // device stays open through those: a reopen drops the published frame and blocks on - // negotiation. It happens only for what actually changed the request. + // Every tree-wide rebuild lands here too, and the device stays open through those, since a reopen drops the published frame and blocks on negotiation. if (!captureCurrent()) { closeCapture(); openCapture(); @@ -164,11 +170,9 @@ class VideoService : public MoonModule { } } - /// Only the synthesized pattern regenerates per frame, since it animates; a still file keeps the - /// buffer it already holds. File I/O is blocking and belongs nowhere near this function. + /// Only the synthesized pattern regenerates per frame, since it animates; a still file keeps the buffer it already holds. File I/O is blocking and belongs nowhere near this function. void tick() MM_NONBLOCKING override { - // Take an EMPTY seat, so deleting the elected source while a second one runs hands over - // rather than going permanently dark. claim() only fills an empty seat, never yanks one. + // Take an EMPTY seat, so deleting the elected source while a second one runs hands over rather than going permanently dark. claim() only fills an empty seat, never yanks one. seat_.claim(); if (source == kSourcePattern && buf_.data()) renderPattern(); @@ -179,16 +183,12 @@ class VideoService : public MoonModule { MoonModule::tick(); } - /// A grabber plugged in (or back in) enumerates on its own, so its format list arrives with - /// nothing having asked for it. Notice here (one atomic load) and ask for a rebuild, which runs - /// prepare() on the render thread: the only thread that may open or close the device, and the - /// one path by which a device that came back is picked up again. + // One atomic load a second, and the one path by which a device that came back is picked up again. + /// Notices a grabber that enumerated on its own and asks for a rebuild, since prepare() runs on the render thread, the only one that may open or close the device. void tick1s() MM_NONBLOCKING override { if (source == kSourceUsb && (platform::videoCaptureFormatGeneration() != formatGen_ || selectionStale())) if (Scheduler* s = Scheduler::instance()) s->requestPrepareTree(); - // A dropped frame is invisible in the picture: it just stutters. Name it, so the count is - // somewhere to look rather than something to guess at. Silent while nothing is dropping. - // Shown as faulty/noSlot/busy: the last two are the newest-wins policy at work, not a fault. + // A dropped frame is invisible and just stutters, so name it as faulty/noSlot/busy, where the last two are the newest-wins policy at work rather than a fault. if (source == kSourceUsb && capture_.impl) { const platform::VideoCaptureStats st = platform::videoCaptureStats(); const uint32_t bad = st.infoFail + st.oversize + st.decodeFail; @@ -202,16 +202,15 @@ class VideoService : public MoonModule { MoonModule::tick1s(); } - /// Does the selected row disagree with what is actually open? Boot restores control VALUES - /// after prepare() has already run, so a persisted `usbFormat` arrives too late to reach the - /// device: prepare opened row 0 and nothing asked it to look again. Watching the generation - /// alone never catches that, because no device came or went. Four int compares. + // Watching the format generation alone never catches this, because no device came or went. Four int compares. + /// Whether the selected row disagrees with what is open, which is how a `usbFormat` restored after prepare() reaches the device at all. bool selectionStale() const MM_NONBLOCKING { if (!capture_.impl || usbFormat >= formatCount_) return false; const platform::VideoCaptureFormat& f = formats_[usbFormat]; return f.width != opened_.width || f.height != opened_.height || f.fps != opened_.fps; } + /// Gives up the device and the seat, so a disabled module holds neither. void release() override { closeCapture(); // drops the published frame too, whichever source it came from seat_.vacate(); @@ -219,16 +218,12 @@ class VideoService : public MoonModule { } private: - // The one-active-source election. Claimed at CONSTRUCTION (an effect resolves latestFrame() - // during its own build, before this module's prepare()), re-claimed in prepare() after a - // disable/enable, and in tick() so a survivor inherits an empty seat. + // Claimed at CONSTRUCTION, since an effect resolves latestFrame() during its own build, then re-claimed in prepare() after a disable/enable and in tick() so a survivor inherits it. ActiveInstance seat_{*this}; // --- USB capture source ------------------------------------------------------------------- - /// Open the device at the selected format. The first open doubles as a probe: a device only - /// lists its formats once it enumerates, which happens inside init, so open, learn what is - /// really on offer, and open again when a restored pick differs. Only the last attempt reports, - /// or a failed probe would leave an error over the retry that fixed it. + // Only the last attempt reports, or a failed probe would leave an error standing over the retry that fixed it. + /// Open the device at the selected format, where the first open doubles as a probe: a device lists its formats only once it enumerates, which happens inside init. void openCapture() { bool open = platform::videoCaptureInit(capture_, usbWidth, usbHeight, usbFps); readFormats(); @@ -241,33 +236,27 @@ class VideoService : public MoonModule { return; } opened_ = {usbWidth, usbHeight, usbFps}; - // What was ASKED for, until a frame arrives: the device negotiates, and readCapture() - // replaces this with the dimensions actually being decoded. + // What was ASKED for, until a frame arrives: the device negotiates, and readCapture() replaces this with the dimensions actually being decoded. std::snprintf(status_, sizeof(status_), "asked %ux%u", usbWidth, usbHeight); setStatus(status_, Severity::Status); shownW_ = shownH_ = 0; } - /// Whether the open device already serves the selection: the same format list (a replug, even - /// of the same grabber, publishes a new generation) and the same requested format. A (re)open - /// is worth its cost only when one of those moved. + /// Whether the open device already serves the selection: the same format list (a replug, even of the same grabber, publishes a new generation) and the same requested format. A (re)open is worth its cost only when one of those moved. bool captureCurrent() const { return capture_.impl && platform::videoCaptureFormatGeneration() == formatGen_ && opened_.width == usbWidth && opened_.height == usbHeight && opened_.fps == usbFps; } - /// Release the device. The published frame borrows one of ITS buffers (platform.h, - /// videoCaptureFrame), so it is dropped first: this is the one place that order is decided, - /// and every teardown path goes through here. + // This is the one place that order is decided, and every teardown path goes through here. + /// Release the device. The published frame borrows one of ITS buffers (platform.h, videoCaptureFrame), so it is dropped first. void closeCapture() { frame_ = VideoFrame{}; opened_ = {}; platform::videoCaptureDeinit(capture_); } - /// Resolve the selected row into the request fields. True when that changed something: the - /// index survives a reboot but the list behind it does not, so this is how a restored pick - /// reaches the device. + /// Resolve the selected row into the request fields. True when that changed something: the index survives a reboot but the list behind it does not, so this is how a restored pick reaches the device. bool applyFormat() { if (usbFormat >= formatCount_) return false; const platform::VideoCaptureFormat& f = formats_[usbFormat]; @@ -278,8 +267,7 @@ class VideoService : public MoonModule { return changed; } - /// Cold path: cache what the device advertises as dropdown labels. Kept out of - /// defineControls(), which must stay pure. it only reads what this leaves behind. + /// Cold path: cache what the device advertises as dropdown labels. Kept out of defineControls(), which must stay pure. it only reads what this leaves behind. void readFormats() { const uint32_t gen = platform::videoCaptureFormatGeneration(); const bool changed = gen != formatGen_; @@ -290,20 +278,14 @@ class VideoService : public MoonModule { formats_[i].height, formats_[i].fps); formatOptions_[i] = formatLabels_[i]; } - // Only once there IS a list. An empty one means the device has not enumerated yet, not - // that the pick is invalid: clamping against 0 threw away a restored index every boot, and - // the reopen that would have applied it never ran, so the stream stayed on row 0. + // Only once there IS a list: an empty one means the device has not enumerated yet, not that the pick is invalid. Clamping against 0 threw away a restored index every boot. if (formatCount_ && usbFormat >= formatCount_) usbFormat = 0; - // On the GENERATION, not the count: a replacement device advertising the same number of - // different formats overwrites the labels in place, and a client with no schema resync - // would go on offering the old ones. + // On the GENERATION rather than the count, since a replacement device advertising the same number of different formats overwrites the labels in place. if (changed) rebuildControls(); } - /// Publish the newest decoded frame. Unlike the other sources this does not fill buf_: the - /// JPEG decoder owns its output buffer (it writes it by DMA, with its own alignment), so the - /// frame borrows that instead. The borrow is safe for as long as the device stays open, which - /// closeCapture() is the only thing to end, and it drops the frame first. + // The borrow is safe for as long as the device stays open, which closeCapture() alone ends, and it drops the frame first. + /// Publish the newest decoded frame, which unlike the other sources does not fill buf_: the JPEG decoder owns its DMA output buffer and the frame borrows that. void readCapture() MM_NONBLOCKING { uint16_t w = 0, h = 0; const uint8_t* rgb = platform::videoCaptureFrame(capture_, w, h); @@ -313,8 +295,7 @@ class VideoService : public MoonModule { frame_.width = w; frame_.height = h; publish(); - // What the device actually negotiated, once per change (so, in practice, once): - // compared against what was last SHOWN rather than the frame, which a stale drop resets. + // What the device actually negotiated, once per change (so, in practice, once): compared against what was last SHOWN rather than the frame, which a stale drop resets. if (w != shownW_ || h != shownH_) { shownW_ = w; shownH_ = h; @@ -323,23 +304,14 @@ class VideoService : public MoonModule { } return; } - // A gap of one tick is normal: the decoder runs at its own rate. A long one means the - // source stopped (a console asleep, a cable out), and holding the last picture would leave - // the room lit by a frozen frame. Dropping it makes every effect fall back to black. + // A gap of one tick is normal, since the decoder runs at its own rate. A long one means the source stopped, and holding the picture would light the room from a frozen frame. if (frame_.rgb && platform::millis() - lastFrameMs_ > staleMs) frame_ = VideoFrame{}; } platform::VideoCaptureHandle capture_; platform::VideoCaptureFormat opened_ = {}; // the request the open device was made with - // Derived from the selected row, never typed: what actually gets requested of the device, and - // the opening bid before one has listed its formats. 640x480 because almost every UVC device - // offers it, and a bid nothing offers costs a full uvc_host_stream_open timeout (3 s) at every - // boot before the real list can be read: an MS2130 grabber has no 848x480 at all. - // - // It is 4:3, and a 16:9 source letterboxes into it, so the top and bottom zones would average - // bars rather than picture. That only applies to this first probe: the moment the device lists - // its formats, `usbFormat` picks the row, and a 16:9 one should be chosen there. + // Derived from the selected row and never typed, and the opening bid is 640x480 because almost every UVC device offers it. See @moreinfo, "The opening bid". uint16_t usbWidth = 640; uint16_t usbHeight = 480; uint8_t usbFps = 60; @@ -358,52 +330,44 @@ class VideoService : public MoonModule { VideoFrame frame_; uint32_t seq_ = 0; uint16_t tone_[256] = {}; // the published curve: source encoding -> linear light - // Sweep position in 1/1000 px and the millis() it was last advanced at. Milli-pixels because a - // per-second rate sampled per tick rounds to zero motion in whole pixels at 1 px/s. + // Sweep position in 1/1000 px and the millis() it was last advanced at. Milli-pixels because a per-second rate sampled per tick rounds to zero motion in whole pixels at 1 px/s. uint32_t sweepMilliPx_ = 0; uint32_t sweepAtMs_ = 0; char status_[40] = {}; - /// Drop the published frame and say why. Returns false so every failing path reads as one line, - /// `return fail("...")`, and none can forget to un-publish the stale frame. + /// Drop the published frame and say why. Returns false so every failing path reads as one line, `return fail("...")`, and none can forget to un-publish the stale frame. bool fail(const char* why) { frame_ = VideoFrame{}; setStatus(why, Severity::Error); return false; } - /// Size the buffer and point the published frame at it. False on any failure, so a too-large - /// image degrades to "no video" rather than to a crash. + /// Size the buffer and point the published frame at it. False on any failure, so a too-large image degrades to "no video" rather than to a crash. bool allocate(uint16_t w, uint16_t h) { if (w == 0 || h == 0 || w > kMaxDim || h > kMaxDim) return fail("frame size out of range"); if (!buf_.resize(static_cast(w) * h * 3u)) return fail("frame too large for memory"); frame_.rgb = buf_.data(); frame_.width = w; frame_.height = h; - // Published here, not from a tick: dimensions only change on a resize, so this keeps the - // snprintf off the render path. + // Published here, not from a tick: dimensions only change on a resize, so this keeps the snprintf off the render path. std::snprintf(status_, sizeof(status_), "%ux%u", w, h); setStatus(status_, Severity::Status); return true; } - /// Publish the buffer as a NEW frame: the sequence bump is what tells a consumer the pixels - /// changed, so every producer path ends here (see VideoFrame::seq). + /// Publish the buffer as a NEW frame: the sequence bump is what tells a consumer the pixels changed, so every producer path ends here (see VideoFrame::seq). void publish() { frame_.tone = tone_; // per frame, so a curve change lands on the next one with nothing to remember frame_.seq = ++seq_; } - /// Fill `tone_`: the source's transfer curve undone to linear light, where a consumer averages - /// (the mean of encoded bytes is not the mean of the picture). Cold path: 256 float evaluations - /// per edit or prepare, never per frame. + /// Fill `tone_`: the source's transfer curve undone to linear light, where a consumer averages (the mean of encoded bytes is not the mean of the picture). Cold path: 256 float evaluations per edit or prepare, never per frame. void rebuildTone() { for (int i = 0; i < 256; i++) { const float e = static_cast(i) / 255.0f; float lin; if (source == kSourceUsb && hdr == kHdrHlg) { - // ARIB STD-B67 inverse OETF. Relative, so hdrNits does not apply. No OOTF: a - // second-order tilt that border averages do not need. + // ARIB STD-B67 inverse OETF. Relative, so hdrNits does not apply. No OOTF: a second-order tilt that border averages do not need. constexpr float a = 0.17883277f, b = 0.28466892f, c = 0.55991073f; lin = e <= 0.5f ? (e * e) / 3.0f : (std::exp((e - c) / a) + b) / 12.0f; } else if (source == kSourceUsb && hdr == kHdrPq) { @@ -428,13 +392,11 @@ class VideoService : public MoonModule { } } - // Four colored border bands and a sweeping white block. Integer-only and allocation-free: it - // runs on the render tick. + // Four colored border bands and a sweeping white block. Integer-only and allocation-free: it runs on the render tick. void renderPattern() { uint8_t* p = buf_.data(); if (!p) return; - // An accumulator fed by elapsed time, not a position derived from millis(): a derived one - // jumps the block the instant the rate changes and cannot express "stopped" at all. + // An accumulator fed by elapsed time, not a position derived from millis(): a derived one jumps the block the instant the rate changes and cannot express "stopped" at all. const uint32_t now = platform::millis(); if (sweepAtMs_ == 0) sweepAtMs_ = now; // first frame: no elapsed time to charge for const uint32_t elapsed = now - sweepAtMs_; @@ -465,16 +427,12 @@ class VideoService : public MoonModule { } // --- PPM (P6) file source ----------------------------------------------------------------- - /// Read the header, size the buffer, then read the pixel block straight into it. Cold path only - /// (prepare / the reload button): this blocks on the filesystem. + /// Read the header, size the buffer, then read the pixel block straight into it. Cold path only (prepare / the reload button): this blocks on the filesystem. bool loadFile() { const long size = platform::fsSize(file); if (size <= 0) return fail("file not found"); - // Netpbm allows comments and any run of whitespace between tokens, so a valid header is - // not a fixed length. A ceiling is still needed since the file is user-supplied, but it has - // to be generous enough for the comment GIMP writes and to fail with its own message rather - // than looking like a format error. + // Netpbm allows comments and any run of whitespace between tokens, so a header is not a fixed length, and the ceiling has to clear the comment GIMP writes. char header[kMaxHeaderBytes] = {}; const int headerLen = platform::fsReadAt(file, 0, header, sizeof(header) - 1); uint16_t w = 0, h = 0; @@ -497,9 +455,7 @@ class VideoService : public MoonModule { } public: - /// Parse a binary-PPM header (Netpbm). Returns the byte offset where pixel data begins, or -1 - /// if `buf` is not one. Pure: `len` bounds the read, so a truncated file is rejected rather than - /// parsed into whatever follows it. + /// Parse a binary-PPM header (Netpbm). Returns the byte offset where pixel data begins, or -1 if `buf` is not one. Pure: `len` bounds the read, so a truncated file is rejected rather than parsed into whatever follows it. static int parsePpmHeader(const char* buf, int len, uint16_t& w, uint16_t& h) { // P6 HeaderCursor cur{buf, len}; @@ -513,8 +469,7 @@ class VideoService : public MoonModule { if (ww <= 0 || ww > static_cast(kMaxDim)) return -1; if (hh <= 0 || hh > static_cast(kMaxDim)) return -1; if (maxval != 255) return -1; // 16-bit samples are two big-endian bytes: another format - // Netpbm requires ONE whitespace byte here. Accepting whatever is present would eat a - // pixel: "P6\n2 2\n255X" would read as valid with the X swallowed. + // Netpbm requires ONE whitespace byte here. Accepting whatever is present would eat a pixel: "P6\n2 2\n255X" would read as valid with the X swallowed. if (cur.pos >= len || !HeaderCursor::isBlank(buf[cur.pos])) return -1; w = static_cast(ww); @@ -523,15 +478,13 @@ class VideoService : public MoonModule { } private: - /// Position within an ASCII header. Netpbm separates tokens with any run of whitespace and `#` - /// comments to end-of-line, so both readers skip those first. + /// Position within an ASCII header. Netpbm separates tokens with any run of whitespace and `#` comments to end-of-line, so both readers skip those first. struct HeaderCursor { const char* buf; int len; int pos = 0; - /// Spelled out rather than isspace(), which is locale-dependent and undefined for a - /// signed char above 127. + /// Spelled out rather than isspace(), which is locale-dependent and undefined for a signed char above 127. static bool isBlank(char c) { return c == ' ' || c == '\t' || c == '\n' || c == '\r'; } void skipBlanks() { @@ -546,8 +499,7 @@ class VideoService : public MoonModule { } } - /// Next decimal token, or -1 when the next token is not one. Capped well above any real - /// dimension purely so a long digit run cannot overflow; the true bounds are the caller's. + /// Next decimal token, or -1 when the next token is not one. Capped well above any real dimension purely so a long digit run cannot overflow; the true bounds are the caller's. long readInt() { skipBlanks(); if (pos >= len || buf[pos] < '0' || buf[pos] > '9') return -1; diff --git a/src/core/util/VideoFrame.h b/src/core/util/VideoFrame.h index de99b7c9..83c45e30 100644 --- a/src/core/util/VideoFrame.h +++ b/src/core/util/VideoFrame.h @@ -4,35 +4,42 @@ namespace mm { -// One decoded video frame, produced by VideoService and read by video-reactive effects. Same -// plain-struct contract as AudioFrame, except a frame is hundreds of kilobytes, so this borrows a -// pointer to the producer's buffer rather than carrying the pixels. -// -// `rgb` is valid only until VideoService's next tick: hold it for one effect tick, never across -// frames. Before any frame exists it is null, which every consumer must tolerate. +/// One decoded video frame, produced by VideoService and read by video-reactive effects. +/// +/// @moreinfo +/// +/// The same plain-struct contract as AudioFrame, except that a frame is hundreds of kilobytes, so this borrows a pointer to the producer's buffer rather than carrying the pixels. +/// `rgb` is valid only until VideoService's next tick, so hold it for one effect tick and never across frames. +/// Before any frame exists it is null, which every consumer must tolerate. +/// +/// ## The tone curve +/// +/// `tone` maps the source's encoding to linear light, and SDR is sRGB, a curve like any other, so a published frame always carries one. +/// Read pixels through channel(): a consumer averaging the encoded bytes averages a quantity that is not proportional to light. +/// The table is 12-bit rather than 8 because linear has no headroom at the dark end, which is what encodings exist for. +/// Small enough that a zone of ~1M pixels still sums inside a uint32. struct VideoFrame { - const uint8_t* rgb = nullptr; // width*height*3, row-major, top-left origin, no padding + /// The pixels: width*height*3, row-major, top-left origin, no padding. + const uint8_t* rgb = nullptr; + /// Frame width in pixels. uint16_t width = 0; + /// Frame height in pixels. uint16_t height = 0; - // Bumped per PUBLISHED frame; compare for INEQUALITY, never ordering. A still PPM bumps it - // every tick, the way a camera aimed at a still object sends one every period. + // Compare for INEQUALITY, never ordering: a still PPM bumps it every tick, the way a camera aimed at a still object sends one every period. + /// Bumped per published frame. uint32_t seq = 0; - // 256-entry curve from the source's encoding to LINEAR light, 0..kLinearMax; SDR is sRGB, a - // curve like any other, so a published frame always carries one. Same one-tick lifetime as - // `rgb`. Read pixels through channel(): a consumer averaging the encoded bytes averages a - // quantity that is not proportional to light. + // Same one-tick lifetime as `rgb`. + /// 256-entry curve from the source's encoding to linear light, 0..kLinearMax. const uint16_t* tone = nullptr; - - // 12 bits, not 8: linear has no headroom at the dark end, which is what encodings exist for. - // Small enough that a zone of ~1M pixels still sums inside a uint32. + /// The full-scale value of a linear sample. static constexpr uint16_t kLinearMax = 4095; - /// One channel of the pixel at `px` as linear light: one lookup on a read the caller already - /// makes. The encoded byte as is when no curve is published (a test frame). + // One lookup on a read the caller already makes. + /// One channel of the pixel at `px` as linear light, or the encoded byte when no curve is published. uint16_t channel(const uint8_t* px, int c) const { return tone ? tone[px[c]] : px[c]; } }; -// The "no source" frame consumers fall back to. +/// The "no source" frame consumers fall back to. inline constexpr VideoFrame kNoVideoFrame{}; } // namespace mm diff --git a/src/light/drivers/Correction.h b/src/light/drivers/Correction.h index c527e914..445c5f6d 100644 --- a/src/light/drivers/Correction.h +++ b/src/light/drivers/Correction.h @@ -21,7 +21,9 @@ namespace mm { /// More than one algorithm is accepted, so white derivation is a mode rather than a formula. enum class WhiteMode : uint8_t { None, Min, Accurate }; +/// Dropdown labels for WhiteMode, in enum order. inline constexpr const char* kWhiteModeOptions[] = {"None", "Min", "Accurate"}; +/// How many modes are on offer. inline constexpr uint8_t kWhiteModeCount = sizeof(kWhiteModeOptions) / sizeof(kWhiteModeOptions[0]); @@ -44,15 +46,16 @@ struct Correction { } - // White, amber and UV are their own dies, so an RGB trim must not reach them; the white dies - // carry a trim of their own. - static constexpr uint8_t kNeutral = 3, kWhite = 4; - uint8_t briLut[5][256] = {}; // briLut[ch][v] = curve(v * brightness * balance[ch]); ch 0=R 1=G 2=B, 3=untrimmed, 4=white - /// Per-channel white balance, 255 = untouched. Trim DOWN only: there is no headroom above 255, - /// so raising clips instead of balancing. + // White, amber and UV are their own dies, so an RGB trim must not reach them; the white dies carry a trim of their own. + /// Row of `briLut` carrying no trim, for a channel no RGB balance may reach. + static constexpr uint8_t kNeutral = 3; + /// Row of `briLut` carrying the white die's own trim. + static constexpr uint8_t kWhite = 4; + /// briLut[ch][v] = curve(v * brightness * balance[ch]), with rows 0=R, 1=G, 2=B, 3=untrimmed, 4=white. + uint8_t briLut[5][256] = {}; + /// Per-channel white balance, 255 = untouched. Trim DOWN only: there is no headroom above 255, so raising clips instead of balancing. uint8_t balRed = 255, balGreen = 255, balBlue = 255; - /// The white die's trim, 255 = untouched: a separate emitter, often brighter than the RGB trio, - /// that the three trims above cannot reach. Pre-scales like them, so the curve still lands last. + /// The white die's trim, 255 = untouched: a separate emitter, often brighter than the RGB trio, that the three trims above cannot reach. Pre-scales like them, so the curve still lands last. uint8_t whiteLevel = 255; /// Which curve the brightness rebuild fills through; a driver's setting, not a global one. Curve curve = Curve::Cie; @@ -63,7 +66,8 @@ struct Correction { uint8_t offGreen = 0; /// Output byte position of the blue role. uint8_t offBlue = 2; - uint8_t offWhite = kAbsent; // derived white at this offset (kAbsent = light has no white) + /// Output byte position of the derived white, or kAbsent when the light has none. + uint8_t offWhite = kAbsent; // Warm white has a real achromatic basis; amber and UV are eyeball approximations, honestly so. /// Output byte positions of the extra emitters beside cold white. uint8_t offWarmWhite = kAbsent; @@ -85,15 +89,21 @@ struct Correction { uint8_t offYellow = kAbsent; /// Output byte position of the UV emitter. uint8_t offUV = kAbsent; - uint8_t outChannels = 3; // bytes emitted per light (= channelsPerLight of the wiring) - WhiteMode whiteMode = WhiteMode::Min; // how white is synthesized from RGB (white lights only) - - /// The current budget a frame is priced against, and the per-channel draw it is priced with. Per - /// CHANNEL: a white die draws about twice a color one, and under-reporting browns out a supply. - uint16_t budgetMa = 0; // 0 disables the limiter - uint8_t mAColor = 8; // one R/G/B channel at 255 - uint8_t mAWhite = 16; // one W channel at 255 - uint8_t mAYellow = 8; // assumed, not measured + /// Bytes emitted per light, which is the wiring's channelsPerLight. + uint8_t outChannels = 3; + /// How white is synthesized from RGB, on lights that carry a white die. + WhiteMode whiteMode = WhiteMode::Min; + + // Priced per CHANNEL rather than per light, since under-reporting the draw browns out a supply. + /// The supply budget a frame is priced against, in milliamps; 0 disables the limiter. + uint16_t budgetMa = 0; + /// Draw of one R/G/B channel at 255, in milliamps. + uint8_t mAColor = 8; + /// Draw of one white channel at 255, which is about twice a color one. + uint8_t mAWhite = 16; + /// Draw of one amber channel at 255, assumed rather than measured. + uint8_t mAYellow = 8; + /// Draw of one UV channel at 255, assumed rather than measured. uint8_t mAUV = 8; /// What measure() set; 256 = unity, so an unlimited frame is bit-exact. uint16_t limit = 256; @@ -153,8 +163,7 @@ struct Correction { outChannels = nChannels; } - /// The white component of a source triple, min(r,g,b); 0 when nothing is synthesized. Shared by - /// measure() and apply(), so the estimate cannot drift from what is emitted. + /// The white component of a source triple, min(r,g,b); 0 when nothing is synthesized. Shared by measure() and apply(), so the estimate cannot drift from what is emitted. uint8_t whiteOf(uint8_t r, uint8_t g, uint8_t b) const { if (whiteMode == WhiteMode::None) return 0; return r < g ? (r < b ? r : b) : (g < b ? g : b); diff --git a/src/light/drivers/DriverBase.h b/src/light/drivers/DriverBase.h index 4a183bf0..c4f495cd 100644 --- a/src/light/drivers/DriverBase.h +++ b/src/light/drivers/DriverBase.h @@ -209,8 +209,7 @@ class DriverBase : public MoonModule { controls_.addControl("balanceRed", balRed_, 0, 255); controls_.addControl("balanceGreen", balGreen_, 0, 255); controls_.addControl("balanceBlue", balBlue_, 0, 255); - // Narrower than whiteMode's gate, which also counts amber and UV: this trims the white - // dies alone, so on a fixture with only those the slider would reach nothing. + // Narrower than whiteMode's gate, which also counts amber and UV: this trims the white dies alone, so on a fixture with only those the slider would reach nothing. const bool hasWhite = lib && (lib->presetHasRole(presetId_, ChannelRole::White) || lib->presetHasRole(presetId_, ChannelRole::WarmWhite)); controls_.addControl("whiteLevel", whiteLevel_, 0, 255); diff --git a/src/light/drivers/ParallelLedDriver.h b/src/light/drivers/ParallelLedDriver.h index ca76128e..ae444f7b 100644 --- a/src/light/drivers/ParallelLedDriver.h +++ b/src/light/drivers/ParallelLedDriver.h @@ -32,6 +32,7 @@ namespace mm { /// The source holds each light's bytes together; the wire needs each bus WORD to carry one bit of EVERY strand at once. The encoder turns 8 lights on their side, an 8x8 bit matrix transpose, writing one word per slot fused with the correction. A Parlio bus word and an i80 bus word have the same meaning. class ParallelLedDriver : public DriverBase { public: + /// This driver prices its own frame, so the shared path leaves the limiter to it. bool limitsCurrent() const override { return true; } /// Test-only: borrow a mock backend, dropping any existing one. The caller keeps ownership. @@ -290,8 +291,7 @@ class ParallelLedDriver : public DriverBase { else tickSync(outCh); // synchronous (doubleBuffer OFF / no 2nd buf) } - /// Price the frame against the budget before encodeRows forks across both cores, so both - /// halves read a `limit` that is already settled. + /// Price the frame against the budget before encodeRows forks across both cores, so both halves read a `limit` that is already settled. void measureFrame() { if (!sourceBuffer_ || !sourceBuffer_->data()) return; const uint8_t* src = encodeSrc_ ? encodeSrc_ : sourceBuffer_->data(); diff --git a/src/light/drivers/RmtLedDriver.h b/src/light/drivers/RmtLedDriver.h index 26603f8b..82e2826e 100644 --- a/src/light/drivers/RmtLedDriver.h +++ b/src/light/drivers/RmtLedDriver.h @@ -29,6 +29,7 @@ namespace mm { /// @card RmtLedDriver.png class RmtLedDriver : public DriverBase { public: + /// This driver prices its own frame, so the shared path leaves the limiter to it. bool limitsCurrent() const override { return true; } /// Default to the GRB preset, which is how WS2812 and SK6812 strips are physically wired. diff --git a/src/light/effects/AmbilightEffect.h b/src/light/effects/AmbilightEffect.h index f9add93c..4d6d83b7 100644 --- a/src/light/effects/AmbilightEffect.h +++ b/src/light/effects/AmbilightEffect.h @@ -9,36 +9,45 @@ namespace mm { -// Screen-follow ambient light: paints the layer with the live video frame, so lights around a -// display glow the color of the picture nearest them (the Ambilight / Hyperion behavior). -// -// TWO SPACES, and every name below says which one it is in: -// -// SOURCE the video frame, counted in PIXELS frame.width x frame.height -// DESTINATION the layer's logical box, counted in lightsX x lightsY -// LIGHT POSITIONS -// -// The source is far the bigger (e.g. a 640x480 picture onto a strip of 60 positions) so each -// light position owns a whole rectangle of pixels and shows their average. -// -// The layout decides the shape: on a RectangleLayout the interior maps to no LED, so a border -// strip shows the frame's border for free; on a GridLayout the same effect is a video wall. The -// effect asks the mapping only ONE question (does this position light anything) and skips the -// averaging where the answer is no. On a border layout that is most of the box. - -/// Effect that paints the layer with the live video frame (screen-follow ambient light). +/// Screen-follow ambient light: paints the layer with the live video frame, so lights around a display glow the color of the picture nearest them. +/// +/// @moreinfo +/// +/// The Ambilight / Hyperion behavior. Two spaces are in play, and every name below says which one it is in. +/// +/// | Space | Counted in | Extent | +/// |---|---|---| +/// | SOURCE | pixels | frame.width x frame.height | +/// | DESTINATION | light positions | lightsX x lightsY | +/// +/// The source is far the bigger, a 640x480 picture onto a strip of 60 positions, so each light position owns a whole rectangle of pixels and shows their average. +/// +/// ## The layout decides the shape +/// +/// On a RectangleLayout the interior maps to no LED, so a border strip shows the frame's border for free, and on a GridLayout the same effect is a video wall. +/// The effect asks the mapping only ONE question, whether this position lights anything, and skips the averaging where the answer is no. +/// On a border layout that is most of the box. class AmbilightEffect : public EffectBase { public: - Dim dimensions() const override { return Dim::D2; } // a frame is flat; the Layer extrudes z - - uint8_t brightness = 255; // dims THE VIDEO; the driver's brightness dims everything - uint8_t saturation = 130; // percent of the distance from gray; 100 = the mean untouched - uint8_t smoothing = 0; // 0 = follow the frame exactly; higher = slower to move - uint8_t snapAbove = 80; // jump rather than smooth when a channel moves further than this; 0 = never - uint8_t edgeDepth = 0; // percent of the frame the OUTERMOST positions look in; 0 = their own share - bool detectBlackBars = false; // find the letterbox and map the lights across the picture - uint8_t barLevel = 12; // a channel at or below this counts as bar; ~5%, for compression noise - + /// Flat, because a frame is; the Layer extrudes z. + Dim dimensions() const override { return Dim::D2; } + + /// Dims THE VIDEO, where the driver's brightness dims everything. + uint8_t brightness = 255; + /// Percent of the distance from gray, so 100 leaves the mean untouched. + uint8_t saturation = 130; + /// How slowly a light moves toward the frame; 0 follows it exactly. + uint8_t smoothing = 0; + /// Jump rather than smooth when a channel moves further than this; 0 never jumps. + uint8_t snapAbove = 80; + /// Percent of the frame the OUTERMOST positions look in; 0 gives them their own share. + uint8_t edgeDepth = 0; + /// Find the letterbox and map the lights across the picture inside it. + bool detectBlackBars = false; + /// A channel at or below this counts as bar, ~5%, which clears compression noise. + uint8_t barLevel = 12; + + /// The video's own brightness and saturation, how fast a light follows it, and the two bar controls. void defineControls() override { controls_.addControl("brightness", brightness, 0, 255); controls_.addControl("saturation", saturation, 0, 200); @@ -47,21 +56,17 @@ class AmbilightEffect : public EffectBase { controls_.addControl("snapAbove", snapAbove, 0, 255); controls_.setHidden(controls_.count() - 1, smoothing == 0); controls_.addControl("edgeDepth", edgeDepth, 0, 50); // Hyperion samples ~8% - // - a letterboxed film puts bars where the top and bottom lights look, so they go dark - // - edgeDepth cannot help: it widens a zone from the edge, so the bar stays inside it - // - this moves the zones instead, mapping the lights across the picture it finds + // A letterboxed film puts bars where the top and bottom lights look, and edgeDepth cannot help since it widens a zone from the edge. This moves the zones instead. controls_.addControl("detectBlackBars", detectBlackBars); // Raise it if bars are missed, lower it if dark scenes get cropped; the doc page has why. controls_.addControl("barLevel", barLevel, 0, 64); controls_.setHidden(controls_.count() - 1, !detectBlackBars); } - /// Turning smoothing on or off allocates or frees the accumulators, so it has to re-run - /// prepare(): without this the buffer stays empty and the setting does nothing. + /// Turning smoothing on or off allocates or frees the accumulators, so it has to re-run prepare(): without this the buffer stays empty and the setting does nothing. bool affectsPrepare(const char* name) const override { return std::strcmp(name, "smoothing") == 0; } - /// Cold path. applyState() prepares a parent before its children, so the Layer's mapping is - /// already built when buildLitList() reads it. + /// Cold path. applyState() prepares a parent before its children, so the Layer's mapping is already built when buildLitList() reads it. void prepare() override { // lengthType is signed: a stray negative would cast to a colossal size_t, not to nothing. const lengthType w = width(), h = height(); @@ -73,20 +78,17 @@ class AmbilightEffect : public EffectBase { buildLitList(positions); } - /// The positions that reach an LED, packed y<<16|x, so tick() walks only those: a few hundred - /// of tens of thousands on a border layout. + /// The positions that reach an LED, packed y<<16|x, so tick() walks a few hundred of tens of thousands on a border layout. void buildLitList(size_t positions) { litCount_ = 0; const MappingLUT& lut = layer()->lut(); - // A table-free (identity) mapping lights every position, so the list would be 0,1,2,3... - //: 4 bytes a position to say "all of them", where the plain loop needs none. + // A table-free (identity) mapping lights every position, so the list would be 0,1,2,3, four bytes a position to say "all of them" where the plain loop needs none. allLit_ = !lut.hasLUT(); if (allLit_ || positions == 0) { lit_.resize(0); return; } - // Count first, then size to the count: sizing by the box reserves 156 KB on a 200x200 - // rectangle to hold the 3 KB its perimeter needs, the waste this list exists to remove. + // Count first, then size to the count. Sizing by the box reserves 156 KB on a 200x200 rectangle to hold the 3 KB its perimeter needs. size_t lit = 0; for (size_t i = 0; i < positions; i++) if (columnLit(lut, i, positions)) lit++; @@ -97,9 +99,8 @@ class AmbilightEffect : public EffectBase { lit_[litCount_++] = static_cast((i / w) << 16 | (i % w)); } - /// Whether front-face position `i` reaches an LED in ANY z plane. This effect is D2, and - /// Layer::extrude() copies what it paints at z=0 across the depth, so on a sparse 3D layout (a - /// sphere) a column with its only LED at z > 0 is still lit from here. `slice` = width*height. + // This effect is D2 and Layer::extrude() copies z=0 across the depth. On a sparse 3D layout a column whose only LED sits at z > 0 is still lit from here. + /// Whether front-face position `i` reaches an LED in ANY z plane, where `slice` is width*height. bool columnLit(const MappingLUT& lut, size_t i, size_t slice) const MM_NONBLOCKING { const lengthType d = depth(); for (lengthType z = 0; z < d; z++) @@ -108,20 +109,19 @@ class AmbilightEffect : public EffectBase { return false; } + /// Average each lit position's share of the frame and paint it, or paint black when no source is publishing. void tick() MM_NONBLOCKING override { const VideoFrame* frame = VideoService::latestFrame(); const draw::Canvas out = canvas(); - // No source: paint black rather than return, or the PREVIOUS effect's picture stays frozen - // on the strip. A merely dropped frame never lands here: VideoService keeps its buffer. + // No source: paint black rather than return, or the PREVIOUS effect's picture stays frozen on the strip. A merely dropped frame never lands here. if (!frame->rgb || frame->width == 0 || frame->height == 0) { draw::fill(out, {0, 0, 0}); primed_ = false; // so the next frame lands whole instead of creeping up out of black return; } - // The frame already on the strip. `primed_` is what makes that true: prepare() clears the - // layer and resets it, so without it a rebuild against a frozen frame stays black. + // The frame already on the strip, which `primed_` is what makes true: prepare() clears the layer and resets it, so a rebuild against a frozen frame would stay black. if (primed_ && frame->seq == lastSeq_) return; lastSeq_ = frame->seq; @@ -140,15 +140,12 @@ class AmbilightEffect : public EffectBase { for (lengthType x = 0; x < lightsX; x++) paint(out, *frame, region, x, y, lightsX, lightsY, canSmooth); } else if (lit_) { - // The list. Unlit positions are never written, so they keep the black - // Layer::prepare() left on the rebuild this effect's prepare() rode in on, BlendMap - // never reads them, but PreviewDriver shows the raw buffer and must not see a ghost. + // The list. Unlit positions are never written, so they keep the black Layer::prepare() left. BlendMap never reads them, but PreviewDriver shows the raw buffer and must not see a ghost. for (size_t i = 0; i < litCount_; i++) paint(out, *frame, region, static_cast(lit_[i] & 0xFFFF), static_cast(lit_[i] >> 16), lightsX, lightsY, canSmooth); } else { - // The list could not be allocated. Same output, asking the mapping per position - - // which is the cost the list exists to avoid. + // The list could not be allocated. Same output, asking the mapping per position - which is the cost the list exists to avoid. const MappingLUT& lut = layer()->lut(); const size_t slice = static_cast(lightsX) * lightsY; draw::fill(out, {0, 0, 0}); @@ -167,15 +164,13 @@ class AmbilightEffect : public EffectBase { Span shifted(int by) const { return {begin + by, end + by}; } }; - // The actual region of the source frame that the lights cover. - // Could be smaller than the full frame if black bars are detected. + // The actual region of the source frame that the lights cover. Could be smaller than the full frame if black bars are detected. struct Region { int left = 0, top = 0; // where the picture starts inside the frame int width = 0, height = 0; int deepX = 0, deepY = 0; // edgeDepth in pixels, so the divide is not per position - /// Which source pixels one light position covers: its share of the picture, shifted back - /// into frame coordinates. Every input lives here, so the loop only asks. + /// Which source pixels one light position covers: its share of the picture, shifted back into frame coordinates. Every input lives here, so the loop only asks. Span cols(int x, int lightsX) const { return spanFor(x, lightsX, width, deepX).shifted(left); } Span rows(int y, int lightsY) const { return spanFor(y, lightsY, height, deepY).shifted(top); } }; @@ -195,8 +190,7 @@ class AmbilightEffect : public EffectBase { r.top = bars.top; r.width = frame.width - bars.left - bars.right; r.height = frame.height - bars.top - bars.bottom; - // Rounded UP, so any non-zero percentage is at least one pixel. Flooring would let a small - // setting on a small frame land on 0, which is the off value: the control would go quiet. + // Rounded UP, so any non-zero percentage is at least one pixel. Flooring would let a small setting on a small frame land on 0, which is the off value: the control would go quiet. r.deepX = (r.width * edgeDepth + 99) / 100; r.deepY = (r.height * edgeDepth + 99) / 100; return r; @@ -226,8 +220,7 @@ class AmbilightEffect : public EffectBase { static bool scansRows(Edge e) MM_NONBLOCKING { return e == Edge::Top || e == Edge::Bottom; } static bool scansFromEnd(Edge e) MM_NONBLOCKING { return e == Edge::Bottom || e == Edge::Right; } - /// Is this line dark all the way across? Sampled at a few evenly spaced points rather than - /// every pixel: a bar is uniform, so a handful of probes settles it for a fraction of the cost. + /// Is this line dark all the way across? Sampled at a few evenly spaced points rather than every pixel: a bar is uniform, so a handful of probes settles it for a fraction of the cost. bool lineIsDark(const VideoFrame& frame, int line, Edge edge) const MM_NONBLOCKING { const bool horizontal = scansRows(edge); const int along = horizontal ? frame.width : frame.height; @@ -241,9 +234,8 @@ class AmbilightEffect : public EffectBase { return true; } - /// How many dark lines run inward from one edge. Reaching the ceiling reports NO bar: darkness - /// that deep is a dark SCENE, where a real letterbox is about 12% an edge. Returning the ceiling - /// cropped a dark frame to its middle and kStableFrames held that into the next scene. + // Returning the ceiling cropped a dark frame to its middle, and kStableFrames then held that into the next scene. + /// How many dark lines run inward from one edge, where reaching the ceiling reports NO bar: darkness that deep is a dark SCENE rather than a letterbox. int barFrom(const VideoFrame& frame, Edge edge) const MM_NONBLOCKING { const int extent = scansRows(edge) ? frame.height : frame.width; const int limit = extent * kMaxBarPercent / 100; @@ -254,15 +246,11 @@ class AmbilightEffect : public EffectBase { return 0; } - /// Scan this frame and return the bars IN EFFECT, which is not necessarily what was just - /// seen. A reading is adopted only once kStableFrames of them agree: bars come and go at scene - /// changes, and a mapping that follows every dark frame twitches worse than one that ignores - /// them. Hence the state; the return value is what the caller should actually map across. + // Bars come and go at scene changes, and a mapping that follows every dark frame twitches worse than one that ignores them. Hence the state. + /// Scan this frame and return the bars IN EFFECT, which is what the caller maps across: a reading is adopted only once kStableFrames of them agree. Bars trackBars(const VideoFrame& frame) MM_NONBLOCKING { if (!detectBlackBars) { - // All of it, not just the adopted value: a surviving candidate_ with a saturated - // stable_ makes the next enable agree with itself immediately and never re-adopt, so - // the setting would look dead until the picture's geometry changed. + // All of it, not just the adopted value. A surviving candidate_ with a saturated stable_ would make the next enable agree with itself at once and never re-adopt. bars_ = candidate_ = Bars{}; stable_ = 0; return bars_; @@ -283,9 +271,8 @@ class AmbilightEffect : public EffectBase { /// Which source pixels light position `lightId` covers along one axis. /// - `pixels` shared evenly among `lightsSize` positions, cut at the edges so ranges meet exactly - /// - a position ON an edge takes exactly `deep` instead of its share: deeper OR shallower, so - /// the control sets the depth rather than raising a floor under it - /// - `deep` of 0 leaves the plain division; interior positions are on no edge either way + /// - a position ON an edge takes exactly `deep` instead of its share, deeper OR shallower, so the control sets the depth rather than raising a floor under it + /// - `deep` of 0 leaves the plain division, and interior positions are on no edge either way /// - an empty range widens to one pixel, so a strip finer than the picture still lights up static Span spanFor(int lightId, int lightsSize, int pixels, int deep) { int begin = static_cast((static_cast(lightId) * pixels) / lightsSize); @@ -303,8 +290,7 @@ class AmbilightEffect : public EffectBase { return {begin, end}; } - /// Linear light back to a display byte (sRGB OETF). Built on first use, which prepare() makes - /// a cold path: 4096 pow() calls have no place in a tick. + /// Linear light back to a display byte (sRGB OETF). Built on first use, which prepare() makes a cold path: 4096 pow() calls have no place in a tick. static const uint8_t* encodeTable() { static const auto table = [] { std::array t{}; @@ -318,9 +304,8 @@ class AmbilightEffect : public EffectBase { return table.data(); } - /// Mean of one light position's pixels: the box filter Hyperion uses, taken in linear light and - /// encoded once per LIGHT. uint32 accumulators: 640x480 onto 32x18 is ~520 pixels each, and - /// 520 x 4095 overflows 16 bits many times over. + // uint32 accumulators, because 640x480 onto 32x18 is ~520 pixels each and 520 x 4095 overflows 16 bits many times over. + /// Mean of one light position's pixels: the box filter Hyperion uses, taken in linear light and encoded once per LIGHT. static RGB meanOf(const VideoFrame& frame, Span cols, Span rows) { uint32_t sr = 0, sg = 0, sb = 0; for (int py = rows.begin; py < rows.end; py++) { @@ -345,12 +330,10 @@ class AmbilightEffect : public EffectBase { return static_cast(out < 0 ? 0 : (out > 255 ? 255 : out)); } - /// Saturation runs on the RAW mean, before brightness: stretching around an already-dimmed luma - /// would shrink the boost as the lights were turned down. + /// Saturation runs on the RAW mean, before brightness: stretching around an already-dimmed luma would shrink the boost as the lights were turned down. RGB adjust(RGB c) const { if (saturation != 100) { - // Rec.601 weights (77/150/29 of 256). A flat (r+g+b)/3 would brighten greens and dim - // blues as saturation rose, because it is not what the eye does. + // Rec.601 weights (77/150/29 of 256). A flat (r+g+b)/3 would brighten greens and dim blues as saturation rose, because it is not what the eye does. const int luma = static_cast((77 * c.r + 150 * c.g + 29 * c.b) >> 8); c = {stretch(c.r, luma), stretch(c.g, luma), stretch(c.b, luma)}; } @@ -362,8 +345,7 @@ class AmbilightEffect : public EffectBase { return c; } - /// Walk each channel a fraction of the way toward `color`. The state is 8.8 so the fraction of - /// a step survives between frames: in whole bytes a slow setting rounds every step to zero. + /// Walk each channel a fraction of the way toward `color`. The state is 8.8 so the fraction of a step survives between frames: in whole bytes a slow setting rounds every step to zero. RGB smooth(size_t lightId, RGB color) MM_NONBLOCKING { const uint8_t target[3] = {color.r, color.g, color.b}; const int32_t step = 256 - smoothing; // gap closed per frame, of 256 @@ -376,8 +358,7 @@ class AmbilightEffect : public EffectBase { const int32_t delta = want - held; // The first frame after a gap, and any move big enough to be a cut, land whole. const bool jump = !primed_ || (snapAbove && (delta > snap || delta < -snap)); - // >> floors, so without the nudge a rising channel stalls one count short for ever - // (white would render as 254) while a falling one arrives. + // >> floors, so without the nudge a rising channel stalls one count short for ever, rendering white as 254, while a falling one arrives. int32_t move = (delta * step) >> 8; if (move == 0 && delta != 0) move = delta > 0 ? 1 : -1; state_[slot] = static_cast(jump ? want : held + move); diff --git a/src/light/layouts/RectangleLayout.h b/src/light/layouts/RectangleLayout.h index 0b8a8fc9..47ef8265 100644 --- a/src/light/layouts/RectangleLayout.h +++ b/src/light/layouts/RectangleLayout.h @@ -4,33 +4,39 @@ namespace mm { -// A hollow rectangle: lights around the PERIMETER of a `width` x `height` box, nothing inside it. -// The strip-around-a-frame primitive: a TV backlight, a mirror surround, a sign border. -// -// - Each corner counts once by default, so the count is `2(width + height) - 4`: a strip bent -// around a frame has ONE LED in the corner, even though that corner belongs to two edges. Four -// separate strips instead have their own end there: `sharedCorners` off gives `2(width+height)`, -// with two lights on each corner coordinate. -// - `offset` slides the wiring around the perimeter, for a strip that starts partway along an edge -// rather than at a corner. -// - `startCorner` and `clockwise` change the WIRING, not the shape: they rotate and reverse the -// index order while every emitted coordinate stays identical. -// - Perimeter only. A filled rectangle is already GridLayout; this exists for the case where the -// interior has no LEDs in it at all, which is every frame-mounted strip. -/// Layout of lights around the perimeter of a rectangle (hollow border). +/// A hollow rectangle: lights around the PERIMETER of a `width` x `height` box, nothing inside it. +/// +/// @moreinfo +/// +/// The strip-around-a-frame primitive: a TV backlight, a mirror surround, a sign border. +/// +/// - Each corner counts once by default, so the count is `2(width + height) - 4`. A strip bent around a frame has ONE LED in the corner, though that corner belongs to two edges +/// - Four separate strips instead have their own end there, so `sharedCorners` off gives `2(width+height)`, with two lights on each corner coordinate +/// - `offset` slides the wiring around the perimeter, for a strip that starts partway along an edge rather than at a corner +/// - `startCorner` and `clockwise` change the WIRING rather than the shape, rotating and reversing the index order while every emitted coordinate stays identical +/// - Perimeter only, since a filled rectangle is already GridLayout, and this exists for the case where the interior has no LEDs in it at all class RectangleLayout : public LayoutBase { public: - uint16_t width = 32; // extent in LIGHTS along each edge; 32x18 is 16:9 + /// Extent in LIGHTS along the horizontal edges; 32x18 is 16:9. + uint16_t width = 32; + /// Extent in LIGHTS along the vertical edges. uint16_t height = 18; - uint8_t startCorner = 0; // index into kStartCornerOptions + /// Which corner the wiring starts at, as an index into kStartCornerOptions. + uint8_t startCorner = 0; + /// Which way the index order runs around the perimeter. bool clockwise = true; - bool sharedCorners = true; // one light per corner; off = four strips, each with its own end - uint16_t offset = 0; // lights past startCorner where the strip actually begins + /// One light per corner; off means four strips, each with its own end. + bool sharedCorners = true; + /// Lights past startCorner where the strip actually begins. + uint16_t offset = 0; + /// Dropdown labels for `startCorner`, in index order. static constexpr const char* kStartCornerOptions[] = {"top-left", "top-right", "bottom-right", "bottom-left"}; + /// How many corners are on offer, which is four. static constexpr uint8_t kStartCornerCount = sizeof(kStartCornerOptions) / sizeof(kStartCornerOptions[0]); + /// The box's extent, plus the four controls that set how the strip is wired around it. void defineControls() override { controls_.addControl("width", width, 1, 500); controls_.addControl("height", height, 1, 500); @@ -42,8 +48,10 @@ class RectangleLayout : public LayoutBase { controls_.addControl("offset", offset, 0, 1999); } + /// Lights on the perimeter, which is what this layout allocates for. nrOfLightsType lightCount() const override { return perimeter(); } + /// Walk the perimeter in wiring order, handing each index its coordinate. void placeLights(const CoordSink& sink) const override { const nrOfLightsType n = perimeter(); for (nrOfLightsType i = 0; i < n; i++) { @@ -53,9 +61,8 @@ class RectangleLayout : public LayoutBase { } private: - /// Perimeter cell count. the -4 is the four corners, each belonging to two edges. A box one - /// light thick has no interior to go around, so it degenerates to a line: the rectangle - /// formula would walk those cells twice and light phantom positions. + // A box one light thick has no interior to go around, so it degenerates to a line, and the rectangle formula would walk those cells twice and light phantom positions. + /// Perimeter cell count, where the -4 is the four corners, each belonging to two edges. nrOfLightsType perimeter() const { if (width == 0 || height == 0) return 0; if (height == 1) return width; @@ -65,16 +72,13 @@ class RectangleLayout : public LayoutBase { : 2 * width + 2 * height); } - /// Coordinate of physical light `i` of `n`. + // Unshared, each edge keeps its own corner. The right edge starts AT the top-right rather than below it, so two lights land on each corner coordinate: four strip ends meeting there. + /// Coordinate of physical light `i` of `n`, in four segments, each dropping the corner the previous one emitted. /// - /// Four segments, each dropping the corner the previous one emitted: /// top left to right w cells /// right top to bottom h-1 cells (h with unshared corners) /// bottom right to left w-1 cells (w "") /// left bottom to top h-2 cells (h "") - /// - /// Unshared, each edge keeps its own corner: the right edge starts AT the top-right rather than - /// below it, so two lights land on each corner coordinate: four strip ends meeting there. Coord3D coordAt(nrOfLightsType i, nrOfLightsType n) const { const int w = width, h = height, k = static_cast(walkIndex(i, n)); @@ -97,8 +101,7 @@ class RectangleLayout : public LayoutBase { return at(0, h - 1 - (k - bottomEnd) - drop); // y falls, x = 0 } - /// Step at which each start corner sits on the reference walk: its segment boundaries, so a - /// corner resolves to an exact index rather than a search. + /// Step at which each start corner sits on the reference walk: its segment boundaries, so a corner resolves to an exact index rather than a search. nrOfLightsType startIndex() const { const int w = width, h = height; if (h == 1) return static_cast((startCorner == 1 || startCorner == 2) ? w - 1 : 0); @@ -114,9 +117,7 @@ class RectangleLayout : public LayoutBase { } } - /// Indexing lights starts from top-left, then walks the perimeter clockwise. `startCorner`, - /// `offset` and `clockwise` move where index 0 sits and which way it runs; this maps a driver - /// index back onto the canonical walk. + /// Indexing lights starts from top-left, then walks the perimeter clockwise. `startCorner`, `offset` and `clockwise` move where index 0 sits and which way it runs; this maps a driver index back onto the canonical walk. nrOfLightsType walkIndex(nrOfLightsType i, nrOfLightsType n) const { if (n == 0) return 0; const nrOfLightsType s = static_cast((startIndex() + offset) % n); diff --git a/src/platform/desktop/platform_desktop.cpp b/src/platform/desktop/platform_desktop.cpp index 29970e3a..abe8a9f3 100644 --- a/src/platform/desktop/platform_desktop.cpp +++ b/src/platform/desktop/platform_desktop.cpp @@ -2316,8 +2316,7 @@ RmtLoopbackResult parlioWs2812Loopback(const uint16_t* /*dataPins*/, uint8_t /*l // The codec and capture live in their own file: the codec succeeds with nothing to bring up, and the microphone reads the system capture device. -// USB video capture: no USB host on desktop, so init fails and VideoService's usb -// source reports "no capture device" while its other sources keep working. +// USB video capture: no USB host on desktop, so init fails and VideoService's usb source reports "no capture device" while its other sources keep working. bool videoCaptureInit(VideoCaptureHandle& /*h*/, uint16_t /*width*/, uint16_t /*height*/, uint8_t /*fps*/) { return false; diff --git a/src/platform/esp32/platform_config.h b/src/platform/esp32/platform_config.h index 0167044f..020159e1 100644 --- a/src/platform/esp32/platform_config.h +++ b/src/platform/esp32/platform_config.h @@ -143,11 +143,7 @@ constexpr bool hasI2sMic = true; constexpr bool hasI2sMic = false; #endif -// USB video needs a High-Speed USB PHY (the S3 has USB, but only the slow kind: too slow to carry -// video) and a hardware JPEG decoder. The target test is not redundant with the capability tests: -// platform_esp32_usbvideo.cpp compiles its implementation for the P4 alone and the UVC component is -// pulled in for the P4 alone, so a future chip meeting the capabilities would otherwise be offered -// a source backed by the always-failing stub. Widen all three together or none. +// USB video needs a High-Speed USB PHY, which the S3 lacks, and a hardware JPEG decoder. Only the P4 compiles an implementation, so widen all three together or none. #if defined(CONFIG_IDF_TARGET_ESP32P4) && defined(CONFIG_SOC_USB_UTMI_PHY_NUM) && \ defined(CONFIG_SOC_JPEG_DECODE_SUPPORTED) constexpr bool hasUsbVideo = true; diff --git a/src/platform/esp32/platform_esp32.cpp b/src/platform/esp32/platform_esp32.cpp index 735374cc..dfb7385a 100644 --- a/src/platform/esp32/platform_esp32.cpp +++ b/src/platform/esp32/platform_esp32.cpp @@ -522,10 +522,7 @@ static esp_netif_t* staNetif_ = nullptr; static esp_netif_t* apNetif_ = nullptr; static std::atomic wifiInitDone_{false}; // atomic: the radio poller reads it from its own task -// Radio telemetry, read on the render tick and refreshed off it. With a co-processor radio (P4) -// every esp_wifi query is a synchronous RPC over the host link, 55-90 ms measured, and the -// once-a-second WLED state push made one, so the render loop froze every second a browser was open. -// A low-priority task polls, the connect event fills what it carries, the getters return the cache. +// Radio telemetry, read on the render tick and refreshed off it. With a co-processor radio every esp_wifi query is a blocking RPC, 55-90 ms measured, and the state push made one a second. A task polls instead. static std::atomic radioRssi_{0}; static std::atomic radioTxPowerQ_{0}; // quarter dBm, the unit the stack uses static std::atomic radioAp_{0}; // BSSID << 8 | channel, one word so a reader never sees half a connect diff --git a/src/platform/esp32/platform_esp32_usbvideo.cpp b/src/platform/esp32/platform_esp32_usbvideo.cpp index 9102ab19..f11c8701 100644 --- a/src/platform/esp32/platform_esp32_usbvideo.cpp +++ b/src/platform/esp32/platform_esp32_usbvideo.cpp @@ -1,22 +1,28 @@ -// USB video capture: the peripheral half of VideoService (src/core/services/VideoService.h). An HDMI -// grabber presents itself as a UVC webcam; this file owns the UVC stream and the JPEG decode. -// -// MJPEG, because uncompressed does not fit: 640x480 YUY2 at 60 fps is 37 MB/s against a USB 2.0 -// host's ~24.6 MB/s. -// -// The USB host library is a per-application singleton: installed on first use and left running, -// with its event loop on a task of its own. uvc_host_stream_open() blocks waiting for an -// enumeration that loop drives, so it cannot share a thread with init. -// -// Decoding runs on a task of its own too. jpeg_decoder_process() blocks, and the render tick is -// MM_NONBLOCKING, so videoCaptureFrame only reads an index, and the frame it names was decoded -// earlier by decoderTask. A frame arriving while one is still pending is dropped: the newest is -// the only one worth having. -// -// Ownership is the whole design: the buffers are allocated in videoCaptureInit and freed in -// videoCaptureDeinit, both on the caller's thread, and nothing in between touches the set, so no -// task can reallocate while another reads. A device that goes away is not chased from here: its -// return re-enumerates, bumping the format generation, and the caller re-inits on that. +/// USB video capture: the peripheral half of VideoService, owning the UVC stream and the JPEG decode. +/// +/// @moreinfo +/// +/// An HDMI grabber presents itself as a UVC webcam. See src/core/services/VideoService.h for the module that drives this. +/// MJPEG, because uncompressed does not fit: 640x480 YUY2 at 60 fps is 37 MB/s against a USB 2.0 host's ~24.6 MB/s. +/// +/// ## Three threads +/// +/// The USB host library is a per-application singleton, installed on first use and left running, with its event loop on a task of its own. +/// uvc_host_stream_open() blocks waiting for an enumeration that loop drives, so it cannot share a thread with init. +/// Decoding runs on a task of its own too, since jpeg_decoder_process() blocks and the render tick is MM_NONBLOCKING. +/// So videoCaptureFrame only reads an index, and the frame it names was decoded earlier by decoderTask. +/// A frame arriving while one is still pending is dropped, the newest being the only one worth having. +/// +/// ## Who owns the buffers +/// +/// The buffers are allocated in videoCaptureInit and freed in videoCaptureDeinit, both on the caller's thread. +/// Nothing in between touches the set, so no task can reallocate while another reads. +/// A device that goes away is not chased from here: its return re-enumerates, bumping the format generation, and the caller re-inits on that. +/// +/// ## Bulk payload headers +/// +/// The header stride is not exposed by the driver, so stripPayloadHeaders reads it off the first header, which can only sit 12 bytes before a packet end. +/// A candidate is confirmed by the header that must follow it one stride on, since entropy-coded bytes pass the field checks about once per 2^18 tries. #include "platform/platform.h" @@ -50,8 +56,7 @@ struct Capture { uvc_host_stream_hdl_t stream = nullptr; jpeg_decoder_handle_t jpeg = nullptr; - // The frame the UVC callback handed over, or null. Exchanged rather than assigned so the - // callback never blocks and never overwrites one the decoder is already reading. + // The frame the UVC callback handed over, or null. Exchanged rather than assigned so the callback never blocks and never overwrites one the decoder is already reading. std::atomic pending{nullptr}; TaskHandle_t decoder = nullptr; @@ -59,16 +64,12 @@ struct Capture { SemaphoreHandle_t stopped = nullptr; // decoder -> deinit std::atomic running{false}; - // Decoded RGB888, from jpeg_alloc_decoder_mem for its cache-line and 2D-DMA alignment: a - // plain malloc shows up as intermittent corruption, not an error. Written once, in init, - // before the decoder task exists; read-only from then on. + // Decoded RGB888, from jpeg_alloc_decoder_mem for its cache-line and 2D-DMA alignment: a plain malloc shows up as intermittent corruption, not an error. Written once, in init, before the decoder task exists; read-only from then on. uint8_t* rgb[kSlots] = {}; size_t rgbCap = 0; uint16_t width[kSlots] = {}; uint16_t height[kSlots] = {}; - // ONE word: reading which slot is newest and claiming it must be a single step, or the - // decoder can publish between the two and then pick the slot just read as free, decoding into - // a buffer being displayed. Packed (published+1) << 8 | (inUse+1); 0 in a field means none. + // ONE word, because reading which slot is newest and claiming it must be a single step, or the decoder could decode into a buffer being displayed. Packed (published+1) << 8 | (inUse+1), where 0 in a field means none. std::atomic slots{0}; static int pubOf(uint16_t s) { return static_cast(s >> 8) - 1; } @@ -78,18 +79,11 @@ struct Capture { } }; -// What the attached device advertises. File scope rather than inside Capture because it is learned -// from the driver event, which fires before a stream exists and outlives a failed open. +// What the attached device advertises. File scope rather than inside Capture because it is learned from the driver event, which fires before a stream exists and outlives a failed open. constexpr size_t kMaxFormats = kVideoCaptureMaxFormats; uvc_host_frame_info_t frameList[kMaxFormats]; // file scope: too big for the driver task's stack -// A seqlock. Two banks are not enough: a reader loads bank 0, one connect event publishes bank 1, -// and a second overwrites bank 0 while that reader is still copying. The generation is odd during -// a write, and a reader that sees it move across the copy retries. Cold path both sides, and the -// writer (the UVC driver task) never waits. -// The payload is atomic, not plain bytes. A seqlock detects an overlapping write, but two threads -// touching a non-atomic object concurrently is a data race whatever the reader then does with what -// it read: relaxed atomics make the program race-free and compile to the same loads and stores. +// A seqlock whose generation is odd during a write, so a reader that sees it move across the copy retries. The payload is atomic rather than plain bytes, since two threads touching a non-atomic object concurrently is a data race. struct FormatBank { std::atomic width[kMaxFormats]; std::atomic height[kMaxFormats]; @@ -99,18 +93,15 @@ struct FormatBank { }; FormatBank formatBank; std::atomic formatGen{0}; // 0 = nothing published yet; odd = a write in progress -// The device the bank describes, so the open reaches THAT one and not whichever the driver finds -// first when two are attached. 0 (UVC_HOST_ANY_DEV_ADDR) until a device has enumerated. +// The device the bank describes, so the open reaches THAT one and not whichever the driver finds first when two are attached. 0 (UVC_HOST_ANY_DEV_ADDR) until a device has enumerated. std::atomic formatDevAddr{UVC_HOST_ANY_DEV_ADDR}; -// Only the first streaming function of a device is ever opened, so only its list is published: -// a device exposing several would otherwise describe one function while another gets opened. +// Only the first streaming function of a device is ever opened, so only its list is published: a device exposing several would otherwise describe one function while another gets opened. constexpr uint8_t kStreamIndex = 0; bool hostReady = false; bool uvcReady = false; -// usb_host_lib_handle_events() is where enumeration and the port state machine actually run, and -// it blocks. Nothing else may drive it, so this task owns it for the life of the application. +// usb_host_lib_handle_events() is where enumeration and the port state machine actually run, and it blocks. Nothing else may drive it, so this task owns it for the life of the application. void pumpTask(void*) { while (true) { uint32_t flags = 0; @@ -119,8 +110,7 @@ void pumpTask(void*) { } } -// Installed once and never uninstalled: the library is a singleton the whole application shares, -// and tearing it down on a source switch only risks leaving it un-reinstallable. +// Installed once and never uninstalled: the library is a singleton the whole application shares, and tearing it down on a source switch only risks leaving it un-reinstallable. bool ensureUsbHost() { if (hostReady) return true; usb_host_config_t hostCfg = {}; @@ -129,9 +119,7 @@ bool ensureUsbHost() { ESP_LOGE(kTag, "usb_host_install failed"); return false; } - // Priority 4 is below the UVC driver task, which consumes what this one produces. Unpinned - // because the render loop is fixed to core 0 by CONFIG_ESP_MAIN_TASK_AFFINITY, so leaving - // placement to the scheduler keeps USB off it whenever core 1 is free. + // Priority 4 is below the UVC driver task, which consumes what this one produces. Unpinned, since the render loop is fixed to core 0, so leaving placement to the scheduler keeps USB off it. if (xTaskCreatePinnedToCore(pumpTask, "usbpump", 4 * 1024, nullptr, 4, nullptr, tskNO_AFFINITY) != pdPASS) { ESP_LOGE(kTag, "no USB event task"); @@ -146,14 +134,11 @@ bool ensureUsbHost() { std::atomic statDecoded{0}, statBusy{0}, statInfoFail{0}, statOversize{0}, statNoSlot{0}, statDecodeFail{0}; -// Runs on the UVC driver task (uvc_client_task -> usb_host_client_handle_events -> here), so the -// ordinary FreeRTOS API is safe. It still only hands the frame over: decoding here would stall the -// task that collects isochronous packets, and a missed packet is gone for good. +// Runs on the UVC driver task, so the ordinary FreeRTOS API is safe. It still only hands the frame over, since decoding here would stall the task that collects isochronous packets. bool onFrame(const uvc_host_frame_t* frame, void* ctx) { auto* cap = static_cast(ctx); uvc_host_frame_t* expected = nullptr; - // Take the slot only if it is free. Returning false keeps the frame, so the loser of this - // race must return true to hand it straight back or the driver runs out of buffers. + // Take the slot only if it is free. Returning false keeps the frame, so the loser of this race must return true to hand it straight back or the driver runs out of buffers. if (!cap->pending.compare_exchange_strong(expected, const_cast(frame))) { statBusy.fetch_add(1, std::memory_order_relaxed); return true; @@ -162,16 +147,13 @@ bool onFrame(const uvc_host_frame_t* frame, void* ctx) { return false; } -// UVC states a rate as dwFrameInterval, a period in 100 ns ticks, so one second is 10 million of -// them. Rounded rather than truncated: 59.94 fps is a real rate and reads better as 60 than 59. +// UVC states a rate as dwFrameInterval, a period in 100 ns ticks, so one second is 10 million of them. Rounded rather than truncated: 59.94 fps is a real rate and reads better as 60 than 59. uint8_t fpsFrom(uint32_t interval) { constexpr uint32_t kTicksPerSecond = 10000000; return static_cast((kTicksPerSecond + interval / 2) / interval); } -// One dropdown row per (resolution, rate) pair. A device that does 320x240 at both 30 and 60 lists -// the resolution ONCE with several intervals, so without this expansion only its default is -// reachable from the UI. +// One dropdown row per (resolution, rate) pair. A device that does 320x240 at both 30 and 60 lists the resolution ONCE with several intervals, so without this expansion only its default is reachable from the UI. void addAdvertised(const uvc_host_frame_info_t& info, uint32_t interval, size_t& n) { if (n >= kMaxFormats || interval == 0) return; const uint16_t w = static_cast(info.h_res), h = static_cast(info.v_res); @@ -184,8 +166,7 @@ void addAdvertised(const uvc_host_frame_info_t& info, uint32_t interval, size_t& ESP_LOGI(kTag, "offers MJPEG %ux%u @ %u fps", w, h, fps); } -// Runs on the UVC driver task when a device enumerates: before any stream is opened, which is what -// makes the list available even when the open then fails on an unsupported resolution. +// Runs on the UVC driver task when a device enumerates, before any stream is opened. That is what makes the list available even when the open then fails on an unsupported resolution. void onDriverEvent(const uvc_host_driver_event_data_t* event, void*) { if (event->type != UVC_HOST_DRIVER_EVENT_DEVICE_CONNECTED) return; if (event->device_connected.uvc_stream_index != kStreamIndex) return; // never opened, so not listed @@ -221,23 +202,19 @@ void onDriverEvent(const uvc_host_driver_event_data_t* event, void*) { formatGen.fetch_add(1, std::memory_order_release); // even again: the list is settled } -// Runs on the UVC driver task. The stream is paused by the driver before this fires, so no frame -// follows it; the renderer sees that as a gap and its stale timeout takes it from there. Nothing to -// unwind here: the device's return re-enumerates, and the caller re-inits on that (file header). +// Runs on the UVC driver task, which pauses the stream before this fires, so the renderer sees a gap and its stale timeout takes it from there. Nothing to unwind: the caller re-inits on the next generation. void onEvent(const uvc_host_stream_event_data_t* event, void*) { if (event->type == UVC_HOST_DEVICE_DISCONNECTED) ESP_LOGW(kTag, "capture device disconnected"); } -// RGB888 bytes the decoder writes for a w x h JPEG: both axes padded to the 16-pixel MCU -// (jpeg_decoder_process, note 2). Sized w*h*3, 800x600 overruns by 19200 bytes and every frame fails. +// RGB888 bytes the decoder writes for a w x h JPEG: both axes padded to the 16-pixel MCU (jpeg_decoder_process, note 2). Sized w*h*3, 800x600 overruns by 19200 bytes and every frame fails. size_t decodedBytes(uint16_t w, uint16_t h) { const size_t aw = (static_cast(w) + 15) & ~static_cast(15); const size_t ah = (static_cast(h) + 15) & ~static_cast(15); return aw * ah * 3; } -// One set of slots per open, sized from the format the device agreed to. Called from init only, -// before the decoder task exists, so nothing can be reading a slot while it is (re)written. +// One set of slots per open, sized from the format the device agreed to. Called from init only, before the decoder task exists, so nothing can be reading a slot while it is (re)written. bool allocSlots(Capture& cap, uint16_t w, uint16_t h) { const size_t need = decodedBytes(w, h); jpeg_decode_memory_alloc_cfg_t memCfg = {}; @@ -255,8 +232,7 @@ bool allocSlots(Capture& cap, uint16_t w, uint16_t h) { } // -1 when every slot is spoken for: unreachable while kSlots is 3, but returning a real index -// anyway would hand the decoder a buffer the render thread is reading. Corruption with no error is -// worse than a dropped frame. +// anyway would hand the decoder a buffer the render thread is reading. Corruption with no error is worse than a dropped frame. int freeSlot(const Capture& cap) { const uint16_t s = cap.slots.load(std::memory_order_acquire); const int pub = Capture::pubOf(s), use = Capture::useOf(s); @@ -265,9 +241,7 @@ int freeSlot(const Capture& cap) { return -1; } -// UVC payload header (UVC 1.5 2.4.3.3): bLength 12 when PTS and SCR are present, EOH set, SCR's -// top 5 reserved bits zero. `pts` pins later headers to the frame's first one: PTS is constant -// across one frame's payloads. +// UVC payload header (UVC 1.5 2.4.3.3): bLength 12 when PTS and SCR are present, EOH set, SCR's top 5 reserved bits zero. `pts` pins later headers to the frame's first one: PTS is constant across one frame's payloads. constexpr size_t kPayloadHeaderLen = 12; constexpr size_t kBulkMps = 512; // high-speed bulk @@ -278,13 +252,7 @@ bool isPayloadHeader(const uint8_t* h, size_t avail, const uint8_t* pts) { (!pts || memcmp(h + 2, pts, 4) == 0); } -// Drops the payload headers usb_host_uvc leaves inside a bulk frame and returns the new length. -// uvc_bulk.c strips a header only after a short transfer; a device whose payload is a multiple of -// the packet size never sends one between payloads, so every header after the first stays in the -// bitstream at stride `payload` and the decoder fails from there down. The stride is not exposed by -// the driver, so it is read off the first header, which can only sit 12 bytes before a packet end. -// A candidate is confirmed by the header that must follow it one stride on, when the frame is long -// enough to hold one: entropy-coded bytes pass the field checks about once per 2^18 tries. +// Drops the payload headers usb_host_uvc leaves inside a bulk frame. uvc_bulk.c strips one only after a short transfer. Where the payload is a multiple of the packet size, every header after the first stays in at stride `payload`. See @moreinfo. size_t stripPayloadHeaders(uint8_t* d, size_t len) { size_t hdr = 0; for (size_t i = kBulkMps - kPayloadHeaderLen; !hdr && i + kPayloadHeaderLen < len; i += kBulkMps) { @@ -308,8 +276,7 @@ size_t stripPayloadHeaders(uint8_t* d, size_t len) { return w + (len - r); } -// Warn on the FIRST of each kind only. A drop repeats at frame rate, so logging every one buries -// the log and costs more than the fault; the counters carry the rate. +// Warn on the FIRST of each kind only. A drop repeats at frame rate, so logging every one buries the log and costs more than the fault; the counters carry the rate. void warnOnce(bool& said, const char* what) { if (said) return; said = true; @@ -355,16 +322,14 @@ void decode(Capture& cap, uvc_host_frame_t* frame) { cap.width[slot] = static_cast(info.width); cap.height[slot] = static_cast(info.height); - // Preserve whatever the renderer claimed while the decode ran. Pixels and dimensions are - // written first, and the release makes them visible to whoever acquires this. + // Preserve whatever the renderer claimed while the decode ran. Pixels and dimensions are written first, and the release makes them visible to whoever acquires this. uint16_t cur = cap.slots.load(std::memory_order_relaxed); while (!cap.slots.compare_exchange_weak(cur, Capture::pack(slot, Capture::useOf(cur)), std::memory_order_release, std::memory_order_relaxed)) { } } -// The blocking half, kept off the render tick. Waits on a finite timeout rather than forever so -// `running` is seen without the callback having to signal. +// The blocking half, kept off the render tick. Waits on a finite timeout rather than forever so `running` is seen without the callback having to signal. void decoderTask(void* arg) { auto* cap = static_cast(arg); while (cap->running.load()) { @@ -378,8 +343,7 @@ void decoderTask(void* arg) { vTaskDelete(nullptr); } -// Priority 6 puts it above the UVC driver task: a decode that runs late holds the only free frame -// buffer, which is what starves the driver. +// Priority 6 puts it above the UVC driver task: a decode that runs late holds the only free frame buffer, which is what starves the driver. bool startDecoder(Capture& cap) { cap.running = true; if (xTaskCreatePinnedToCore(decoderTask, "usbjpeg", 4 * 1024, &cap, 6, &cap.decoder, tskNO_AFFINITY) == @@ -390,9 +354,7 @@ bool startDecoder(Capture& cap) { return false; } -// Installed once, like the host library above it: the format list belongs to the bus, not to one -// open. Reinstalling per open would re-enumerate the attached device and bump the format -// generation, which is the very signal the caller re-inits on. +// Installed once, like the host library above it: the format list belongs to the bus, not to one open. Reinstalling per open would re-enumerate the attached device and bump the format generation, which is the very signal the caller re-inits on. bool ensureUvcHost() { if (uvcReady) return true; uvc_host_driver_config_t driverCfg = {}; @@ -411,8 +373,7 @@ bool ensureUvcHost() { bool createJpeg(Capture& cap) { jpeg_decode_engine_cfg_t jpegCfg = {}; - // 200, not 40: the timeout aborts the 2D-DMA mid-frame, and writing 6.2 MB of 1080p RGB into - // PSRAM alone takes ~34 ms. At 40 ms only 14% of intact frames survived. + // 200, not 40: the timeout aborts the 2D-DMA mid-frame, and writing 6.2 MB of 1080p RGB into PSRAM alone takes ~34 ms. At 40 ms only 14% of intact frames survived. jpegCfg.timeout_ms = 200; if (jpeg_new_decoder_engine(&jpegCfg, &cap.jpeg) == ESP_OK) return true; ESP_LOGE(kTag, "no JPEG decoder engine"); @@ -427,8 +388,7 @@ bool createSignals(Capture& cap) { return false; } -// The published interval of a row as the float the driver compares against; 0 (device default) -// when the row is unknown, so the request still opens at that resolution. +// The published interval of a row as the float the driver compares against; 0 (device default) when the row is unknown, so the request still opens at that resolution. float exactFpsFor(uint16_t w, uint16_t h, uint8_t fps) { const size_t n = formatBank.count.load(std::memory_order_acquire); for (size_t i = 0; i < n && i < kMaxFormats; i++) { @@ -446,29 +406,24 @@ bool openStream(Capture& cap, uint16_t width, uint16_t height, uint8_t fps) { streamCfg.event_cb = onEvent; streamCfg.frame_cb = onFrame; streamCfg.user_ctx = ∩ - // The device whose formats are on offer, once one has enumerated; any device before that, and - // its enumeration then bumps the generation, so the caller comes back and opens it by address. + // The device whose formats are on offer, once one has enumerated. Any device before that, and its enumeration bumps the generation, so the caller comes back and opens it by address. streamCfg.usb.dev_addr = formatDevAddr.load(std::memory_order_relaxed); streamCfg.usb.vid = UVC_HOST_ANY_VID; streamCfg.usb.pid = UVC_HOST_ANY_PID; streamCfg.usb.uvc_stream_index = kStreamIndex; streamCfg.vs_format.h_res = width; streamCfg.vs_format.v_res = height; - // The device's own interval, not the rounded fps: the driver matches within 0.0001 fps, so a - // 59.94 mode never matches a requested 60. + // The device's own interval, not the rounded fps: the driver matches within 0.0001 fps, so a 59.94 mode never matches a requested 60. streamCfg.vs_format.fps = exactFpsFor(width, height, fps); streamCfg.vs_format.format = UVC_VS_FORMAT_MJPEG; - // urb_size left at 0 (4x MPS): the driver's default, and every urb is internal SRAM. - // number_of_urbs has no default: 0 is malloc(0), and the open fails with ESP_ERR_NO_MEM. + // urb_size left at 0 (4x MPS): the driver's default, and every urb is internal SRAM. number_of_urbs has no default: 0 is malloc(0), and the open fails with ESP_ERR_NO_MEM. streamCfg.advanced.number_of_urbs = 4; streamCfg.advanced.number_of_frame_buffers = 3; - // frame_size 0 means dwMaxVideoFrameSize, the UNCOMPRESSED size: 3 x 4.1 MB at 1080p for MJPEG - // frames of 40-76 KB. Half of it still leaves an order of magnitude of headroom. + // frame_size 0 means dwMaxVideoFrameSize, the UNCOMPRESSED size: 3 x 4.1 MB at 1080p for MJPEG frames of 40-76 KB. Half of it still leaves an order of magnitude of headroom. streamCfg.advanced.frame_size = static_cast(width) * height / 2; streamCfg.advanced.frame_heap_caps = MALLOC_CAP_SPIRAM; // keep the internal heap for USB and WiFi - // Wait rather than fail: the host enumerates asynchronously, so a device plugged in at boot - // is usually not ready when this runs. The driver takes ticks, not milliseconds. + // Wait rather than fail: the host enumerates asynchronously, so a device plugged in at boot is usually not ready when this runs. The driver takes ticks, not milliseconds. if (uvc_host_stream_open(&streamCfg, pdMS_TO_TICKS(3000), &cap.stream) != ESP_OK) { ESP_LOGW(kTag, "no UVC device offering MJPEG %ux%u", width, height); return false; @@ -477,8 +432,7 @@ bool openStream(Capture& cap, uint16_t width, uint16_t height, uint8_t fps) { return true; } -// Sized from what the device agreed to, not from what we asked for, so no frame can arrive -// needing more room than the slots have. +// Sized from what the device agreed to, not from what we asked for, so no frame can arrive needing more room than the slots have. bool sizeBuffers(Capture& cap) { uvc_host_stream_format_t got = {}; if (uvc_host_stream_format_get(cap.stream, &got) != ESP_OK) { @@ -499,24 +453,19 @@ bool videoCaptureInit(VideoCaptureHandle& handle, uint16_t width, uint16_t heigh auto* cap = new Capture(); handle.impl = cap; // every failure below unwinds through videoCaptureDeinit - // In this order on purpose: the decoder task is started LAST, once every buffer it can reach - // exists, and the stream after it, so the first frame finds a task to wake. A device that is - // not there yet is a plain failure: its arrival bumps the format generation, and the caller - // comes back through here on that. + // In this order on purpose. The decoder task starts LAST, once every buffer it can reach exists, and the stream after it, so the first frame finds a task to wake. const bool ok = createJpeg(*cap) && createSignals(*cap) && openStream(*cap, width, height, fps) && sizeBuffers(*cap) && startDecoder(*cap) && uvc_host_stream_start(cap->stream) == ESP_OK; if (!ok) videoCaptureDeinit(handle); return ok; } -// Hot path: an index load and two field reads. Everything expensive already happened on -// decoderTask, which is what lets the render tick stay MM_NONBLOCKING. +// Hot path: an index load and two field reads. Everything expensive already happened on decoderTask, which is what lets the render tick stay MM_NONBLOCKING. const uint8_t* videoCaptureFrame(VideoCaptureHandle& handle, uint16_t& width, uint16_t& height) MM_NONBLOCKING { auto* cap = static_cast(handle.impl); if (!cap) return nullptr; - // Read and claim in one step. The loop runs again only if the decoder published meanwhile, - // and then hands back that newer frame. + // Read and claim in one step. The loop runs again only if the decoder published meanwhile, and then hands back that newer frame. uint16_t cur = cap->slots.load(std::memory_order_acquire); int slot; do { @@ -553,9 +502,7 @@ size_t videoCaptureFormats(VideoCaptureFormat* out, size_t max) { void videoCaptureDeinit(VideoCaptureHandle& handle) { auto* cap = static_cast(handle.impl); if (!cap) return; - // Stop the stream first so no frame lands mid-teardown, then the task that would decode it. - // The join is unbounded on purpose: a decode in flight must finish before anything it reaches - // into is freed, and its own 40 ms decode timeout is what bounds how long that takes. + // Stop the stream first so no frame lands mid-teardown, then the task that would decode it. The join is unbounded on purpose, and the decoder's own 40 ms timeout bounds how long it takes. if (cap->stream) uvc_host_stream_stop(cap->stream); if (cap->decoder) { cap->running = false; diff --git a/src/platform/platform.h b/src/platform/platform.h index f1c5a8c7..f51d1097 100644 --- a/src/platform/platform.h +++ b/src/platform/platform.h @@ -489,9 +489,8 @@ void wifiStaGetIPv4(uint8_t out[4]); /// Tear the station down. void wifiStaStop(); -/// Station RSSI in dBm, a negative number; 0 when the station is not associated. A cached reading, -/// refreshed off the render task every few seconds: on a co-processor radio the query is a blocking -/// RPC, so no caller pays for it, and every reading below shares that contract. +// Refreshed off the render task every few seconds, since on a co-processor radio the query is a blocking RPC, and every reading below shares that contract. +/// Station RSSI in dBm, a negative number, and 0 when the station is not associated. int wifiStaRssi(); /// The associated access point's BSSID, zeroed when the station is not associated. @@ -1036,68 +1035,63 @@ void audioMicDeinit(AudioMicHandle& h); /// Fill `outMag` with the magnitude bins of `n` windowed samples, `n` being a power of two. void audioFft(const float* windowed, size_t n, float* outMag); -// --------------------------------------------------------------------------- -// USB video capture (UVC): an HDMI grabber presenting itself as a webcam. MJPEG -// off the wire, decoded by the target's JPEG hardware, so the RGB888 read back here -// never passed through a software decoder. ESP32-P4 only; every other target links a -// stub whose init fails, which VideoService reports as a status, not an error. -// --------------------------------------------------------------------------- +// --- USB video capture (UVC): an HDMI grabber presenting itself as a webcam --------------------- +// MJPEG off the wire, decoded by the target's JPEG hardware, and ESP32-P4 only: every other target links a stub whose init fails, which VideoService reports as a status. +/// Opaque per-device state, owned by the platform between init and deinit. struct VideoCaptureHandle { void* impl = nullptr; }; -// One row of what the attached device advertises, so the UI offers real choices rather than asking -// the user to guess. MJPEG only: nothing else is decodable here, so there is no format field. +// MJPEG only, since nothing else is decodable here, so there is no format field. +/// One row of what the attached device advertises, so the UI offers real choices rather than guesses. struct VideoCaptureFormat { + /// Frame width in pixels. uint16_t width = 0; + /// Frame height in pixels. uint16_t height = 0; + /// Frames per second the device offers at that size. uint8_t fps = 0; }; -// Rows kept per device. A grabber lists its modes largest first, so a cap that is too low hides -// exactly the cheap ones. +// A grabber lists its modes largest first, so a cap that is too low hides exactly the cheap ones. +/// Rows kept per device. constexpr size_t kVideoCaptureMaxFormats = 64; -// Fills `out` with up to `max` of those rows and returns how many were written. Learned when a -// device enumerates, so it survives a failed videoCaptureInit, which is exactly when it is worth -// reading. 0 means no device has been seen yet. +// Learned when a device enumerates, so it survives a failed videoCaptureInit, which is exactly when it is worth reading. +/// Fill `out` with up to `max` of those rows and return how many were written; 0 means no device has been seen yet. size_t videoCaptureFormats(VideoCaptureFormat* out, size_t max); -// Bumped whenever that list is rewritten, which is when a device enumerates. A consumer caching -// the list compares this instead of copying, so noticing a hotplug costs one load. 0 until then. +// A consumer caching the list compares this instead of copying, so noticing a hotplug costs one load. +/// Bumped whenever that list is rewritten, which is when a device enumerates; 0 until then. uint32_t videoCaptureFormatGeneration(); -// Claim the first UVC device on the bus and stream MJPEG. All three of width, -// height and fps are requests rather than promises: the device negotiates what it -// can, and videoCaptureFrame reports what actually arrived. False when nothing is -// attached, the target has no USB host, or no MJPEG format matches. -// -// One open is one device at one negotiated format. A device that goes away is not followed: a -// (re)connect bumps videoCaptureFormatGeneration(), and the caller answers it with a -// deinit/init pair on its own thread. That rule is what keeps the buffers below stable. +// Width, height and fps are requests rather than promises. A device that goes away is not followed: a reconnect bumps the generation, and the caller answers with a deinit/init pair. +/// Claim the first UVC device on the bus and stream MJPEG, false when nothing is attached or no MJPEG format matches. bool videoCaptureInit(VideoCaptureHandle& h, uint16_t width, uint16_t height, uint8_t fps); -// Newest decoded frame as RGB888, or nullptr when none arrived since the last call. -// -// The buffer belongs to the platform (the JPEG decoder writes it by DMA, with its own alignment). -// It is allocated in videoCaptureInit and freed in videoCaptureDeinit, never in between, and the -// decoder never writes into the one most recently returned. So both the pointer and its pixels -// hold until the next call that RETURNS A FRAME: a caller may keep showing it across ticks that -// return nullptr, which is what lets a dropped frame leave the picture up. It MUST drop it before -// calling videoCaptureDeinit(). +// The buffer belongs to the platform, allocated in init and freed in deinit, and the decoder never writes into the one most recently returned. See videoCaptureInit's appendix. +/// Newest decoded frame as RGB888, held until the next call that RETURNS A FRAME, or nullptr when none arrived. const uint8_t* videoCaptureFrame(VideoCaptureHandle& h, uint16_t& width, uint16_t& height) MM_NONBLOCKING; +/// Release the device and free its buffers. The caller drops the frame it borrowed first. void videoCaptureDeinit(VideoCaptureHandle& h); -// Why frames did not reach the renderer, cumulative since boot. A drop in ones is normal; a -// climbing count is a fault worth naming, since in the picture it is only a stutter. +// A drop in ones is normal, and a climbing count is a fault worth naming, since in the picture it is only a stutter. +/// Why frames did not reach the renderer, cumulative since boot. struct VideoCaptureStats { - uint32_t decoded = 0; // frames that reached a slot - uint32_t busy = 0; // arrived while the previous frame was still waiting to be decoded - uint32_t noSlot = 0; // every decode buffer still held by the renderer - uint32_t infoFail = 0; // not a readable JPEG: a mis-detected payload stride lands here - uint32_t oversize = 0; // larger than the buffers sized at open - uint32_t decodeFail = 0; // the decoder refused a bitstream whose header it had accepted + /// Frames that reached a slot. + uint32_t decoded = 0; + /// Arrived while the previous frame was still waiting to be decoded. + uint32_t busy = 0; + /// Every decode buffer still held by the renderer. + uint32_t noSlot = 0; + /// Not a readable JPEG: a mis-detected payload stride lands here. + uint32_t infoFail = 0; + /// Larger than the buffers sized at open. + uint32_t oversize = 0; + /// The decoder refused a bitstream whose header it had accepted. + uint32_t decodeFail = 0; }; +/// The counters above, read atomically enough for a once-a-second status line. VideoCaptureStats videoCaptureStats(); // I2C bus diagnostics: the standard i2cdetect operation, domain-neutral rather than audio-specific. diff --git a/test/scenario_runner.cpp b/test/scenario_runner.cpp index c984561b..58423048 100644 --- a/test/scenario_runner.cpp +++ b/test/scenario_runner.cpp @@ -373,9 +373,7 @@ struct ScenarioContext { if (props.has("height")) grid->height = static_cast(props["height"].num); if (props.has("depth")) grid->depth = static_cast(props["depth"].num); } else if (std::strcmp(type, "RectangleLayout") == 0) { - // Same construct-time apply: the perimeter is computed from these, so a fixture - // that could not set them would silently measure the 32x18 default instead of the - // border it names. The wiring controls stay on set_control, which works post-start. + // Same construct-time apply, since the perimeter is computed from these. The wiring controls stay on set_control, which works post-start. auto* rect = static_cast(mod); if (props.has("width")) rect->width = static_cast(props["width"].num); if (props.has("height")) rect->height = static_cast(props["height"].num); diff --git a/test/unit/core/unit_VideoService.cpp b/test/unit/core/unit_VideoService.cpp index 4be3fae2..bdad1402 100644 --- a/test/unit/core/unit_VideoService.cpp +++ b/test/unit/core/unit_VideoService.cpp @@ -1,4 +1,12 @@ -// @module VideoService +/// @module VideoService +/// +/// Pins the PPM header grammar VideoService's file source accepts, the seat election that decides which service publishes, and the test pattern's sweep rate. +/// +/// @moreinfo +/// +/// The parser is the part with real edge cases: comments, whitespace runs, a 16-bit maxval, a truncated header. +/// It also decides where pixel data starts, so a wrong offset shows as a picture shifted by a few bytes rather than as a clean failure. +/// Driven directly, since it is a pure static, so these run without a filesystem and a malformed file is testable without writing one. #include "doctest.h" #include "core/services/VideoService.h" @@ -6,12 +14,6 @@ #include #include -// Pins the PPM header grammar VideoService's file source accepts. The parser is the part with real -// edge cases: comments, whitespace runs, a 16-bit maxval, a truncated header, and it decides -// where pixel data starts, so getting the offset wrong shows as a picture shifted by a few bytes -// rather than as a clean failure. Driven directly (it is a pure static) so these run without a -// filesystem, and so a malformed file is testable without writing one. - using mm::VideoService; namespace { @@ -30,8 +32,7 @@ TEST_CASE("VideoService PPM: a canonical P6 header yields the dimensions and the CHECK(h == 36); } -// Netpbm allows any run of whitespace between tokens and `#` comments to end of line: both appear -// in real files (GIMP writes a comment), so both must be skipped without shifting the offset. +// Netpbm allows any run of whitespace between tokens and `#` comments to end of line. Both appear in real files, so both must be skipped without shifting the offset. TEST_CASE("VideoService PPM: comments and whitespace runs are skipped, not counted as pixels") { uint16_t w = 0, h = 0; const char* hdr = "P6\n# CREATOR: GIMP\n 16 9 \n255\n"; @@ -41,8 +42,7 @@ TEST_CASE("VideoService PPM: comments and whitespace runs are skipped, not count CHECK(h == 9); } -// Exactly ONE whitespace byte separates the header from the binary block; any further byte is -// already a pixel. Consuming two would tint the whole image by shifting every channel one place. +// Exactly ONE whitespace byte separates the header from the binary block; any further byte is already a pixel. Consuming two would tint the whole image by shifting every channel one place. TEST_CASE("VideoService PPM: only one separator byte is consumed before the pixels") { uint16_t w = 0, h = 0; // A leading pixel byte that happens to be whitespace-valued (0x20) must survive as data. @@ -53,22 +53,19 @@ TEST_CASE("VideoService PPM: only one separator byte is consumed before the pixe CHECK(h == 2); } -// P3 is the ASCII variant: same dimensions, completely different body (decimal text, not bytes). -// Accepting it would read numerals as pixel values and render noise. +// P3 is the ASCII variant: same dimensions, completely different body (decimal text, not bytes). Accepting it would read numerals as pixel values and render noise. TEST_CASE("VideoService PPM: the ASCII variant P3 is rejected, not read as binary") { uint16_t w = 0, h = 0; CHECK(parse("P3\n8 8\n255\n", w, h) == -1); } -// A 16-bit maxval means two big-endian bytes per sample: a different pixel format. Reading it as -// 8-bit would show the high bytes as a dim, doubled image, so it is refused rather than guessed at. +// A 16-bit maxval means two big-endian bytes per sample: a different pixel format. Reading it as 8-bit would show the high bytes as a dim, doubled image, so it is refused rather than guessed at. TEST_CASE("VideoService PPM: a 16-bit maxval is rejected rather than misread as 8-bit") { uint16_t w = 0, h = 0; CHECK(parse("P6\n8 8\n65535\n", w, h) == -1); } -// Garbage, an empty buffer, and a header cut off mid-token must all fail cleanly: the file source -// is fed by whatever the user uploads, so this is the ordinary case, not the exceptional one. +// Garbage, an empty buffer, and a header cut off mid-token must all fail cleanly. The file source is fed by whatever the user uploads, so this is the ordinary case. TEST_CASE("VideoService PPM: malformed and truncated headers fail without reading past the buffer") { uint16_t w = 0, h = 0; CHECK(parse("", w, h) == -1); @@ -79,8 +76,7 @@ TEST_CASE("VideoService PPM: malformed and truncated headers fail without readin CHECK(parse("P6\n64 36\n255", w, h) == -1); // no separator, so no pixel data can follow } -// A zero side has no pixels, and an absurd dimension would overflow the width*height*3 allocation -// size. Both are refused at the header rather than at the allocation. +// A zero side has no pixels, and an absurd dimension would overflow the width*height*3 allocation size. Both are refused at the header rather than at the allocation. TEST_CASE("VideoService PPM: zero and out-of-range dimensions are refused at the header") { uint16_t w = 0, h = 0; CHECK(parse("P6\n0 36\n255\n", w, h) == -1); @@ -88,9 +84,7 @@ TEST_CASE("VideoService PPM: zero and out-of-range dimensions are refused at the CHECK(parse("P6\n99999 36\n255\n", w, h) == -1); // past kMaxDim } -// With no service instantiated, latestFrame() still returns a readable struct: an effect must -// never have to null-check the POINTER, only the frame's contents. This is the no-source state -// every device is in before a capture source is added, so it has to be the safe one. +// With no service instantiated, latestFrame() still returns a readable struct, so an effect null-checks the frame's contents rather than the POINTER. Every device is in that state at boot. TEST_CASE("VideoService: latestFrame is readable with no service present and reports no frame") { const mm::VideoFrame* f = VideoService::latestFrame(); REQUIRE(f != nullptr); @@ -100,10 +94,7 @@ TEST_CASE("VideoService: latestFrame is readable with no service present and rep CHECK(f->height == 0); } -// Deleting the elected source while a second one is still running must hand the seat over, not go -// permanently dark. The seat is vacated by the destructor, and a running module re-claims an empty -// one on its next tick, so effects keep seeing a live frame for any add/remove order. Same -// robustness AudioService's mic seat has; without the tick() re-claim only a reboot recovers. +// Deleting the elected source while a second one runs must hand the seat over rather than go dark. The destructor vacates it and a running module re-claims an empty one on its next tick. TEST_CASE("VideoService: a survivor takes over the seat when the elected source is destroyed") { auto* elected = new VideoService(); // constructed first, so it claims the seat elected->source = VideoService::kSourcePattern; // needs no file @@ -121,10 +112,7 @@ TEST_CASE("VideoService: a survivor takes over the seat when the elected source CHECK(VideoService::latestFrame()->rgb != nullptr); } -// Unit tests link the desktop platform, which cannot capture, so this pins that side: the usb -// source is not offered, and a config restored from a board that had one falls back rather than -// selecting a dead option. The static_assert fails loudly if the suite ever runs somewhere that -// CAN capture, which would need its own case rather than this one quietly changing meaning. +// Unit tests link the desktop platform, which cannot capture, so the usb source is not offered. The static_assert fails loudly if the suite ever runs somewhere that CAN. TEST_CASE("VideoService: a platform that cannot capture does not offer the usb source") { static_assert(!mm::platform::hasUsbVideo, "tests assume the desktop platform"); CHECK(VideoService::kSourceCount == 2); @@ -136,25 +124,20 @@ TEST_CASE("VideoService: a platform that cannot capture does not offer the usb s CHECK(VideoService::latestFrame()->rgb != nullptr); } -// The format dropdown is populated from whatever the device advertises, so a platform with no -// capture at all must report an EMPTY list rather than a placeholder: VideoService only offers the -// control when the count is non-zero, and a phantom entry would let the user pick a dead format. +// A platform with no capture must report an EMPTY format list rather than a placeholder, since a phantom entry would let the user pick a dead format. TEST_CASE("VideoService: a platform with no capture advertises no formats") { mm::platform::VideoCaptureFormat formats[4]; CHECK(mm::platform::videoCaptureFormats(formats, 4) == 0); } -// Accepting a non-whitespace separator eats a pixel and shifts every channel one place, which -// tints the whole image rather than failing. +// Accepting a non-whitespace separator eats a pixel and shifts every channel one place, which tints the whole image rather than failing. TEST_CASE("VideoService PPM: the separator must be whitespace, not merely present") { uint16_t w = 0, h = 0; CHECK(parse("P6\n2 2\n255X", w, h) == -1); CHECK(parse("P6\n2 2\n255\n", w, h) == 11); // the same header with a real separator } -// The sweep is a RATE, not a phase of the clock: it advances by the time elapsed between frames at -// patternSpeed pixels per second, so a rate change moves smoothly rather than jumping, and 0 parks -// the block. That is what makes the pattern a still reference for checking one border light. +// The sweep is a RATE rather than a phase of the clock, so a rate change moves smoothly rather than jumping, and 0 parks the block as a still reference. TEST_CASE("VideoService: the test pattern sweeps at patternSpeed pixels per second, and 0 parks it") { struct ClockGuard { ~ClockGuard() { mm::platform::setTestNowMs(0); } } guard; // Column of the white block on the top row, which is otherwise the red band. @@ -183,9 +166,7 @@ TEST_CASE("VideoService: the test pattern sweeps at patternSpeed pixels per seco CHECK(sweepX() == (start + 5) % VideoService::kPatternW); // parked, however long passes } -// Pinned to a measured case: a source showing (255,127,0) captured under PQ as (206,171,0). The -// curve has to land that pair on the LINEAR ratio the original color has, sRGB(127)/sRGB(255) = -// 0.212, which is the quantity an average is then taken of. +// Pinned to a measured case: a source showing (255,127,0) captured under PQ as (206,171,0). The curve has to land that pair on the LINEAR ratio the original color has, sRGB(127)/sRGB(255) = 0.212, which is the quantity an average is then taken of. TEST_CASE("VideoService: the PQ tone table recovers the source's linear ratio") { VideoService v; v.source = VideoService::kSourceUsb; @@ -205,8 +186,7 @@ TEST_CASE("VideoService: the PQ tone table recovers the source's linear ratio") for (int i = 1; i < 256; i++) CHECK(t[i] >= t[i - 1]); } -// Every source publishes one, SDR included: sRGB is a curve like any other, and a consumer -// averaging raw bytes averages a quantity that is not proportional to light. +// Every source publishes one, SDR included: sRGB is a curve like any other, and a consumer averaging raw bytes averages a quantity that is not proportional to light. TEST_CASE("VideoService: an SDR source publishes the sRGB curve, not nothing") { VideoService v; v.source = VideoService::kSourcePattern; @@ -220,8 +200,7 @@ TEST_CASE("VideoService: an SDR source publishes the sRGB curve, not nothing") { CHECK(t[128] > mm::VideoFrame::kLinearMax / 8); } -// The frame carries its curve and consumers read through channel(), so every reader corrects the -// same way and none has to know which curve it is. Null means the bytes are taken as they are. +// The frame carries its curve and consumers read through channel(), so every reader corrects the same way and none has to know which curve it is. Null means the bytes are taken as they are. TEST_CASE("VideoFrame: channel() reads through the tone curve when one is published") { uint8_t px[3] = {10, 20, 30}; uint16_t tone[256]; diff --git a/test/unit/light/unit_AmbilightEffect.cpp b/test/unit/light/unit_AmbilightEffect.cpp index 6ac7d1aa..501aa0af 100644 --- a/test/unit/light/unit_AmbilightEffect.cpp +++ b/test/unit/light/unit_AmbilightEffect.cpp @@ -1,4 +1,10 @@ -// @module AmbilightEffect +/// @module AmbilightEffect +/// +/// Pins the frame to light mapping end to end through the real static seam: a live VideoService publishes a frame, the effect renders it, the buffer is read back. +/// +/// @moreinfo +/// +/// The checks are about orientation and coverage, because a picture averaged over the wrong rectangle, or flipped top for bottom, still looks like *a* picture. #include "doctest.h" #include "core/services/VideoService.h" @@ -13,19 +19,13 @@ #include #include -// Pins the frame → light mapping end to end, through the real static seam: a live VideoService -// publishes a frame, the effect renders it, the buffer is read back. The checks are about -// orientation and coverage, because a picture averaged over the wrong rectangle, or flipped -// top-for-bottom: still looks like *a* picture. - using mm::AmbilightEffect; using mm::VideoService; namespace platform = mm::platform; namespace { -// A live VideoService in test-pattern mode: red top band, blue bottom, yellow left, green right. -// Its seat is claimed on construction and vacated on destruction, so each case starts clean. +// A live VideoService in test-pattern mode: red top band, blue bottom, yellow left, green right. Its seat is claimed on construction and vacated on destruction, so each case starts clean. struct PatternSource { VideoService svc; PatternSource() { @@ -54,11 +54,9 @@ struct Rig { layer.applyState(); layer.tick(); } - // applyState() re-runs prepare(), which un-primes the smoother and makes every frame jump. - // Anything testing the SMOOTHING has to tick without it. + // applyState() re-runs prepare(), which un-primes the smoother and makes every frame jump. Anything testing the SMOOTHING has to tick without it. void tickOnly() { layer.tick(); } - /// A tick with a NEW frame behind it: the effect skips a repeated one, so anything measuring - /// per-frame behavior has to advance the source too, as the scheduler does. + /// A tick with a NEW frame behind it: the effect skips a repeated one, so anything measuring per-frame behavior has to advance the source too, as the scheduler does. void tickOnly(VideoService& source) { source.tick(); layer.tick(); @@ -70,8 +68,7 @@ struct Rig { } // namespace -// Orientation must survive to the buffer: red top band → red first row. Swapped, the whole picture -// is upside down: on a TV border, the difference between matching the screen and mirroring it. +// Orientation must survive to the buffer: red top band → red first row. Swapped, the whole picture is upside down: on a TV border, the difference between matching the screen and mirroring it. TEST_CASE("AmbilightEffect: the frame's orientation reaches the buffer, top band to top row") { PatternSource src; Rig rig(8, 8); @@ -84,8 +81,7 @@ TEST_CASE("AmbilightEffect: the frame's orientation reaches the buffer, top band CHECK(bottom[2] > bottom[0]); // bottom row reads blue-dominant } -// The horizontal counterpart of the test above; together they pin all four edges. Red separates -// the bands: it is in yellow and absent from green. +// The horizontal counterpart of the test above; together they pin all four edges. Red separates the bands: it is in yellow and absent from green. TEST_CASE("AmbilightEffect: the frame's left and right bands reach the matching columns") { PatternSource src; Rig rig(8, 8); @@ -98,16 +94,14 @@ TEST_CASE("AmbilightEffect: the frame's left and right bands reach the matching CHECK(right[1] > 0); // and the right column is lit at all } -// Every light must be written. An empty zone leaves its light holding the previous frame, so a -// mapping bug shows as dead lights scattered through the strip rather than an obvious failure. +// Every light must be written. An empty zone leaves its light holding the previous frame, so a mapping bug shows as dead lights scattered through the strip rather than an obvious failure. TEST_CASE("AmbilightEffect: every light is written, none left dark by an empty zone") { PatternSource src; Rig rig(16, 9); rig.fx.saturation = 100; rig.render(); - // WRITTEN, not lit: the pattern's center is black, so counting lit cells cannot tell "every - // position was painted" from "one was". Fill with a value the effect cannot produce instead. + // WRITTEN, not lit: the pattern's center is black, so counting lit cells cannot tell "every position was painted" from "one was". Fill with a value the effect cannot produce instead. constexpr uint8_t kSentinel = 0x5A; std::memset(rig.layer.buffer().data(), kSentinel, static_cast(16) * 9 * 3); rig.render(); @@ -125,24 +119,21 @@ TEST_CASE("AmbilightEffect: every light is written, none left dark by an empty z } } -// More lights than source pixels: neighboring positions must SHARE one rather than resolve to -// an empty zone. The pattern is 64 wide, so a 128-wide layer forces the guard. +// More lights than source pixels: neighboring positions must SHARE one rather than resolve to an empty zone. The pattern is 64 wide, so a 128-wide layer forces the guard. TEST_CASE("AmbilightEffect: a layer finer than the frame still writes every light") { PatternSource src; Rig rig(128, 4); rig.fx.saturation = 100; rig.render(); - // Top row of the pattern is the red band; at 4 rows tall every row samples some band, so the - // whole first row must be lit across its full width: no gaps from zero-width zones. + // Top row of the pattern is the red band. At 4 rows tall every row samples some band, so the whole first row must be lit across its full width. for (int x = 0; x < 128; x++) { const uint8_t* p = rig.px(x, 0); CHECK((p[0] || p[1] || p[2])); } } -// brightness scales the result down uniformly. Distinct from the driver's brightness: this one dims -// the video relative to whatever else is composited beside it. +// brightness scales the result down uniformly. Distinct from the driver's brightness: this one dims the video relative to whatever else is composited beside it. TEST_CASE("AmbilightEffect: brightness scales the sampled color down") { PatternSource src; Rig full(8, 8); @@ -162,8 +153,7 @@ TEST_CASE("AmbilightEffect: brightness scales the sampled color down") { CHECK(dimRed == (fullRed * 64) / 255); } -// Saturation stretches each channel away from the zone's luma: above 100 a colored zone gets -// more saturated, which is what pulls averaged means back off gray. +// Saturation stretches each channel away from the zone's luma: above 100 a colored zone gets more saturated, which is what pulls averaged means back off gray. TEST_CASE("AmbilightEffect: saturation above 100 pushes a colored zone further from gray") { PatternSource src; Rig flat(8, 8); @@ -182,8 +172,7 @@ TEST_CASE("AmbilightEffect: saturation above 100 pushes a colored zone further f CHECK(boostedSpread >= flatSpread); // red pulled further from blue, or already clipped at 255 } -// No source paints black rather than returning early, which would leave the PREVIOUS effect's -// picture frozen on the strip. Every effect owns its background (unit_Effects_gridsweep). +// No source paints black rather than returning early, which would leave the PREVIOUS effect's picture frozen on the strip. Every effect owns its background (unit_Effects_gridsweep). TEST_CASE("AmbilightEffect: no video source paints black, never the previous effect's frame") { // No PatternSource here, so no service holds the seat and latestFrame() reports nothing. REQUIRE(VideoService::latestFrame()->rgb == nullptr); @@ -205,9 +194,7 @@ TEST_CASE("AmbilightEffect: no video source paints black, never the previous eff } // --- Smoothing --------------------------------------------------------------------------------- -// The accumulators are 8.8 precisely so a slow setting still ARRIVES: in whole bytes every step -// rounds to zero and the light stalls short of its target forever. These check that it converges, -// and that a big move still lands at once. +// The accumulators are 8.8 precisely so a slow setting still ARRIVES: in whole bytes every step rounds to zero and the light stalls short of its target forever. These check that it converges, and that a big move still lands at once. // Off must be bit-identical to no smoothing at all, since it is the default. TEST_CASE("AmbilightEffect: smoothing off follows the frame exactly") { @@ -221,8 +208,7 @@ TEST_CASE("AmbilightEffect: smoothing off follows the frame exactly") { CHECK(std::memcmp(plain.px(4, 0), off.px(4, 0), 3) == 0); } -// The first frame after a gap must land immediately: creeping up from black would show as a fade-in -// every time the source reconnects. +// The first frame after a gap must land immediately: creeping up from black would show as a fade-in every time the source reconnects. TEST_CASE("AmbilightEffect: the first frame lands whole, not smoothed up out of black") { PatternSource src; Rig fast(8, 8), slow(8, 8); @@ -234,10 +220,7 @@ TEST_CASE("AmbilightEffect: the first frame lands whole, not smoothed up out of CHECK(std::memcmp(fast.px(4, 0), slow.px(4, 0), 3) == 0); } -// The one that 8-bit state would fail: with heavy smoothing every per-frame step is a fraction of -// a byte, so the value only moves if those fractions are kept between frames. Both directions, -// because >> floors: a falling channel's last steps round away from zero and a rising one's round -// to it, so they arrive by different routes and only one of them for free. +// The one that 8-bit state would fail: with heavy smoothing each step is a fraction of a byte. Both directions, because >> floors and the two arrive by different routes. TEST_CASE("AmbilightEffect: a heavily smoothed light converges exactly, rising and falling") { PatternSource src; Rig rig(8, 8); @@ -262,8 +245,7 @@ TEST_CASE("AmbilightEffect: a heavily smoothed light converges exactly, rising a } // --- edgeDepth --------------------------------------------------------------------------------- -// A border light's own share is 1/height of the frame: a sliver at the very edge. edgeDepth lets -// the outermost positions reach further in without changing how many of them there are. +// A border light's own share is 1/height of the frame, a sliver at the very edge. edgeDepth lets the outermost positions reach further in without changing how many there are. // Off is the default, so it must be the plain division exactly. TEST_CASE("AmbilightEffect: edgeDepth 0 leaves the zones as the plain division") { @@ -289,12 +271,10 @@ TEST_CASE("AmbilightEffect: edgeDepth makes the outer row sample deeper") { CHECK(std::memcmp(shallow.px(4, 0), deep.px(4, 0), 3) != 0); } -// The control SETS the depth, it does not raise a floor: a value below a position's own share must -// make its zone thinner +// The control SETS the depth, it does not raise a floor: a value below a position's own share must make its zone thinner TEST_CASE("AmbilightEffect: edgeDepth below the natural share makes the outer row thinner") { PatternSource src; - // Three rows over a 36-tall pattern is a 12-row share, which reaches past the 9-row red band - // into the black center. A shallower zone stays inside the band, so it reads BRIGHTER. + // Three rows over a 36-tall pattern is a 12-row share, which reaches past the 9-row red band into the black center. A shallower zone stays inside the band, so it reads BRIGHTER. Rig plain(8, 3), thin(8, 3); plain.fx.saturation = 100; thin.fx.saturation = 100; @@ -304,8 +284,7 @@ TEST_CASE("AmbilightEffect: edgeDepth below the natural share makes the outer ro CHECK(thin.px(4, 0)[0] > plain.px(4, 0)[0]); } -// Only the outermost ring moves. An interior position has no edge to reach in from, so a video -// wall is unaffected even with the control turned up. +// Only the outermost ring moves. An interior position has no edge to reach in from, so a video wall is unaffected even with the control turned up. TEST_CASE("AmbilightEffect: edgeDepth leaves interior positions alone") { PatternSource src; Rig plain(8, 8), deep(8, 8); @@ -319,22 +298,16 @@ TEST_CASE("AmbilightEffect: edgeDepth leaves interior positions alone") { } // --- Black bars -------------------------------------------------------------------------------- -// A letterboxed film puts bars exactly where the top and bottom lights look, so those lights go -// dark while the picture is bright. Detection moves the zones past the bar. edgeDepth cannot do -// this: it widens a zone from its edge, so the bar stays inside it. +// A letterboxed film puts bars exactly where the top and bottom lights look, so those lights go dark while the picture is bright. Detection moves the zones past the bar, which edgeDepth cannot do. namespace { -// A VideoService reading a P6 PPM written here: `bar` black rows top and bottom, green between. -// Written to a file because that is the seam the file source actually uses. +// A VideoService reading a P6 PPM written here: `bar` black rows top and bottom, green between. Written to a file because that is the seam the file source actually uses. struct Letterbox { VideoService svc; char path[64] = {}; Letterbox(int w, int h, int bar) { - // The service resolves a bare name under the desktop filesystem root, which ctest points - // into the build tree. Ask for the resolved root rather than assuming one: with "build/" - // hard-coded the file landed where the service never looked, and this passed only when the - // binary was run from a checkout. + // The service resolves a bare name under the desktop filesystem root, which ctest points into the build tree. Ask for the resolved root rather than assuming one. std::snprintf(path, sizeof(path), "mm_letterbox_%dx%d_%d.ppm", w, h, bar); char real[256]; std::snprintf(real, sizeof(real), "%s/%s", mm::platform::fsRootPath(), path); @@ -361,8 +334,7 @@ struct Letterbox { }; -// A frame every line of which reads DARK to the bar probe, with brighter outer rows than middle -// ones, so a wrongly adopted bar changes what the edge lights see. Same shape as Letterbox. +// A frame every line of which reads DARK to the bar probe, with brighter outer rows than middle ones, so a wrongly adopted bar changes what the edge lights see. Same shape as Letterbox. struct DimFrame { VideoService svc; char path[64] = {}; @@ -419,11 +391,9 @@ TEST_CASE("AmbilightEffect: the top light escapes the letterbox once bars are de CHECK(rig.px(4, 0)[1] > 100); // now reading the green picture } -// Dark EVERYWHERE by the probe, but not uniform. Scanning to the ceiling used to report the deepest -// bar on all four edges, cropping a dark scene to its middle for kStableFrames after it ended. +// Dark EVERYWHERE by the probe, but not uniform. Scanning to the ceiling used to report the deepest bar on all four edges, cropping a dark scene to its middle for kStableFrames after it ended. TEST_CASE("AmbilightEffect: an all-dark frame reports no bars, not the deepest ones") { - // 40% of 64 is a 25-line ceiling. Rows 0..24 sit at 60, under barLevel 64, so the scan runs the - // whole way; rows 25..38 are black, which the top light would read if a bar were adopted. + // 40% of 64 is a 25-line ceiling. Rows 0..24 sit at 60, under barLevel 64, so the scan runs the whole way; rows 25..38 are black, which the top light would read if a bar were adopted. DimFrame src(64, 64, 60, 0, 25); Rig rig(8, 8); rig.fx.saturation = 100; @@ -437,8 +407,7 @@ TEST_CASE("AmbilightEffect: an all-dark frame reports no bars, not the deepest o CHECK(rig.px(4, 0)[0] == first); // nothing adopted, so nothing moved } -// The pattern's center is black and its edges are colored: the OPPOSITE of a letterbox. Nothing -// must be detected in it, or a picture that fills the frame would get cropped. +// The pattern's center is black and its edges are colored: the OPPOSITE of a letterbox. Nothing must be detected in it, or a picture that fills the frame would get cropped. TEST_CASE("AmbilightEffect: a frame that fills the picture reports no bars") { PatternSource src; Rig plain(8, 8), armed(8, 8); @@ -452,10 +421,7 @@ TEST_CASE("AmbilightEffect: a frame that fills the picture reports no bars") { } // --- Skipping positions that reach no LED ------------------------------------------------------- -// On a RectangleLayout the interior of the box maps to nothing, so averaging it is work whose -// result the mapping discards: most of the box, on any real border strip. The effect asks the LUT -// and skips those positions. GridLayout is identity, so nothing is skipped there and the video-wall -// case is unaffected. +// On a RectangleLayout the interior maps to nothing, so the effect asks the LUT and skips those positions. GridLayout is identity, so the video-wall case is unaffected. namespace { @@ -495,8 +461,7 @@ TEST_CASE("AmbilightEffect: a border layout paints its perimeter and skips the i const uint8_t* top = rig.px(4, 0); CHECK((top[0] | top[1] | top[2]) != 0); - // The interior reaches none. Never averaged, never written. it holds the black that - // Layer::prepare() left in the buffer on the rebuild the effect's own prepare() rode in on. + // The interior reaches none. Never averaged, never written. it holds the black that Layer::prepare() left in the buffer on the rebuild the effect's own prepare() rode in on. for (int y = 1; y < 7; y++) for (int x = 1; x < 7; x++) { const uint8_t* p = rig.px(x, y); @@ -512,9 +477,7 @@ TEST_CASE("AmbilightEffect: a border layout paints its perimeter and skips the i } } -// The effect is D2 and Layer::extrude() copies its front slice across the depth, so on a sparse 3D -// layout a column whose only LEDs sit at z > 0 has to be painted at z = 0 too, or those LEDs get -// black extruded into them. +// The effect is D2 and Layer::extrude() copies its front slice across the depth. On a sparse 3D layout a column whose only LEDs sit at z > 0 must be painted at z = 0 too. TEST_CASE("AmbilightEffect: a sparse 3D layout lights an LED behind an empty front-face position") { PatternSource src; mm::Layouts layouts; @@ -540,9 +503,7 @@ TEST_CASE("AmbilightEffect: a sparse 3D layout lights an LED behind an empty fro // --- Skipping a repeated frame ----------------------------------------------------------------- -// The render loop outruns the source (60 Hz against 30 fps video, or a still picture) and -// re-averaging a frame already on the strip buys nothing. What the effect advances then runs at the -// source's rate, which is the rate it should run at. +// The render loop outruns the source (60 Hz against 30 fps video, or a still picture) and re-averaging a frame already on the strip buys nothing. What the effect advances then runs at the source's rate, which is the rate it should run at. // A skipped tick must leave the strip exactly as it was, not half-painted or cleared. TEST_CASE("AmbilightEffect: a repeated frame leaves the strip untouched") { @@ -557,9 +518,7 @@ TEST_CASE("AmbilightEffect: a repeated frame leaves the strip untouched") { CHECK(std::memcmp(before, rig.px(4, 0), 3) == 0); } -// Turning detection off has to clear the hysteresis, not only the adopted bars. A surviving -// candidate with a saturated counter agrees with itself the moment detection returns, so the -// adoption branch never fires again and the control looks dead. +// Turning detection off has to clear the hysteresis, not only the adopted bars. A surviving candidate with a saturated counter agrees with itself the moment detection returns, so the adoption branch never fires again and the control looks dead. TEST_CASE("AmbilightEffect: detection can be turned off and on again") { Letterbox src(64, 64, 16); Rig rig(8, 8); @@ -578,10 +537,7 @@ TEST_CASE("AmbilightEffect: detection can be turned off and on again") { CHECK(rig.px(4, 0)[1] > 100); // and adopted again rather than stuck } -// Averaging happens in LINEAR light, not in the encoding: half black and half white is half the -// light, which sRGB writes as 188, where the mean of the bytes is 128 and renders a lit scene as -// a dim mush. One light over the whole pattern sees red on about a third of its pixels (the top -// band and the yellow one) and black elsewhere: byte-averaged that is ~82, in light ~150. +// Averaging happens in LINEAR light rather than in the encoding: half black and half white is half the light, which sRGB writes as 188 where the byte mean is 128. TEST_CASE("AmbilightEffect: a part-lit zone averages as light, not as bytes") { PatternSource src; Rig rig(1, 1); diff --git a/test/unit/light/unit_Correction.cpp b/test/unit/light/unit_Correction.cpp index e3abba73..ecd82f94 100644 --- a/test/unit/light/unit_Correction.cpp +++ b/test/unit/light/unit_Correction.cpp @@ -345,8 +345,7 @@ TEST_CASE("Correction: the curve and white balance compose into the one table") } // --- Current limiting ------------------------------------------------------------------------ -// These check the NUMBERS, not just that something got smaller: the arithmetic is what stands -// between a white frame and a browned-out supply. +// These check the NUMBERS, not just that something got smaller: the arithmetic is what stands between a white frame and a browned-out supply. // An unset budget must leave every channel bit-exact, or the feature would dim existing installs. TEST_CASE("Correction: no budget leaves the frame untouched") { @@ -386,9 +385,7 @@ TEST_CASE("Correction: an over-budget frame is scaled to fit") { CHECK(out[0] == 127); // (255 * 128) >> 8 } -// Why a per-LIGHT figure cannot describe RGBW: Accurate moves the draw off R/G/B and onto W, -// which is cheaper for the same color (16 mA a light against 40) so one budget halves a Min -// frame and leaves an Accurate one alone. +// Why a per-LIGHT figure cannot describe RGBW. Accurate moves the draw off R/G/B and onto W, which is cheaper for the same color, so one budget halves a Min frame and leaves an Accurate one alone. TEST_CASE("Correction: the estimate follows whiteMode, not a per-light constant") { uint8_t frame[100 * 3]; std::memset(frame, 255, sizeof(frame)); @@ -408,10 +405,7 @@ TEST_CASE("Correction: the estimate follows whiteMode, not a per-light constant" CHECK(acc.limit == 256); // inside budget, so untouched } -// A fixture with a master dimmer channel must actually be LIT. The dimmer is a real output, not -// a motion role: a moving head whose preset maps Pan/Tilt/Dimmer/RGBW stayed completely dark on -// the bench with a perfectly correct color map, because nothing ever wrote its dimmer and a -// linear dimmer at 0 emits nothing. The pre-existing "IRGB" preset had the same defect. +// A fixture with a master dimmer channel must actually be LIT, since the dimmer is a real output rather than a motion role. A moving head mapping Pan/Tilt/Dimmer/RGBW stayed dark on the bench with a correct color map, because nothing wrote its dimmer. // A fixture with a master dimmer channel must actually be LIT. The dimmer is a real output, not a motion role: a moving head whose preset maps Pan/Tilt/Dimmer/RGBW stayed completely dark on the bench with a perfectly correct color map, because nothing ever wrote its dimmer and a linear dimmer at 0 emits nothing. The pre-existing "IRGB" preset had the same defect. TEST_CASE("A preset's master dimmer channel is driven, so the fixture actually lights") { @@ -576,9 +570,7 @@ TEST_CASE("Correction: the current estimate counts Yellow and UV channels") { CHECK(c.limit < 256); } -// A dimmer costs the estimate NOTHING: on every fixture that declares one it is a DMX control value -// drawing nothing from this rail, like the motion roles beside it. Pricing it squeezed the colors to -// make room for draw that does not exist. +// A dimmer costs the estimate NOTHING: on every fixture that declares one it is a DMX control value drawing nothing from this rail, like the motion roles beside it. Pricing it squeezed the colors to make room for draw that does not exist. TEST_CASE("Correction: a master dimmer costs the current estimate nothing") { uint8_t frame[10 * 3]; std::memset(frame, 255, sizeof(frame)); // 10 white lights, 3 x 8 mA = 240 mA @@ -597,16 +589,14 @@ TEST_CASE("Correction: a master dimmer costs the current estimate nothing") { CHECK(plain.limit == 213); // 200/240 of unity: the colors, and only those CHECK(dimmed.limit == plain.limit); // declaring a dimmer changed nothing - // And a black frame draws nothing whether or not a dimmer is declared. Priced, this tripped - // the limiter on a strip showing no light at all. + // And a black frame draws nothing whether or not a dimmer is declared. Priced, this tripped the limiter on a strip showing no light at all. const uint8_t black[3] = {0, 0, 0}; dimmed.budgetMa = 1; dimmed.measure(black, 3, 1); CHECK(dimmed.limit == 256); } -// Yellow and UV are emitted from the same corrected RGB as everything else, so a fixture carrying -// them draws more than an RGB one on the same frame. Uncounted, an RGBY preset would exceed its cap. +// Yellow and UV are emitted from the same corrected RGB as everything else, so a fixture carrying them draws more than an RGB one on the same frame. Uncounted, an RGBY preset would exceed its cap. TEST_CASE("Correction: the estimate counts the Yellow and UV emitters") { uint8_t frame[10 * 3]; std::memset(frame, 255, sizeof(frame)); @@ -624,8 +614,7 @@ TEST_CASE("Correction: the estimate counts the Yellow and UV emitters") { CHECK(wide.limit < plain.limit); // the same frame costs more, so it is trimmed harder - // And each emitter carries its own figure: a UV die usually draws more than a visible one, so - // pricing it as a color channel would under-report, the direction that browns out a supply. + // And each emitter carries its own figure. A UV die usually draws more than a visible one, so pricing it as a color channel would under-report, the direction that browns out a supply. Correction thirsty; thirsty.budgetMa = 100; mm::test::rebuildFromPreset(thirsty, 255, mm::test::PresetOrder::RGB); @@ -635,8 +624,7 @@ TEST_CASE("Correction: the estimate counts the Yellow and UV emitters") { CHECK(thirsty.limit < wide.limit); } -// A cap that understates is not a cap: flooring the modelled draw lets a frame sit fractionally -// over the budget with no limit applied. +// A cap that understates is not a cap: flooring the modelled draw lets a frame sit fractionally over the budget with no limit applied. TEST_CASE("Correction: the modelled draw is rounded up, so the cap stays an upper bound") { const uint8_t frame[3] = {254, 0, 0}; // one channel at 254: 7.97 mA at 8 mA full scale @@ -726,8 +714,7 @@ TEST_CASE("RGBW white is derived in linear light, then curved once") { CHECK(out[2] == ref.briLut[0][0]); } -// The W die is separate hardware the RGB trims say nothing about, so it has a trim of its own that -// pre-scales like theirs: the white channel moves through the curve, RGB does not move at all. +// The W die is separate hardware the RGB trims say nothing about, so it has a trim of its own that pre-scales like theirs. The white channel moves through the curve, RGB not at all. TEST_CASE("Correction whiteLevel: trims the white die without touching RGB") { const uint8_t src[3] = {200, 160, 120}; // white component = min = 120 @@ -749,14 +736,12 @@ TEST_CASE("Correction whiteLevel: trims the white die without touching RGB") { CHECK(b[2] == a[2]); } -// The limiter prices what is EMITTED, so a trimmed white must cost less: otherwise the budget is -// spent on current the strip never draws, squeezing the colors for nothing. +// The limiter prices what is EMITTED, so a trimmed white must cost less: otherwise the budget is spent on current the strip never draws, squeezing the colors for nothing. TEST_CASE("Correction whiteLevel: a trimmed white is priced at what it draws") { uint8_t frame[10 * 3]; std::memset(frame, 255, sizeof(frame)); // 10 white lights - // White everywhere costs 400 mA at these defaults (10 x (3x255x8 + 255x16) / 255); with no - // white emitted it is 240. A budget between the two is what makes the difference visible. + // White everywhere costs 400 mA at these defaults (10 x (3x255x8 + 255x16) / 255); with no white emitted it is 240. A budget between the two is what makes the difference visible. Correction full; full.budgetMa = 300; mm::test::rebuildFromPreset(full, 255, mm::test::PresetOrder::RGBW); diff --git a/test/unit/light/unit_I80Peripheral.cpp b/test/unit/light/unit_I80Peripheral.cpp index 4b3b5da9..af76453e 100644 --- a/test/unit/light/unit_I80Peripheral.cpp +++ b/test/unit/light/unit_I80Peripheral.cpp @@ -448,10 +448,7 @@ TEST_CASE("I80Peripheral gives the host bus two distinct buffers when asked") { } // --- Current limiting --------------------------------------------------------------------------- -// measureFrame() has to walk exactly the lights the encode will touch. laneStart_ is a running sum -// of laneCounts_, so the lanes tile the window and one flat pass covers them, but only if the -// total is the SUM of the lanes rather than the buffer size or the longest lane. Under-counting is -// the dangerous direction: the limiter would report a frame safe while the supply sagged. +// measureFrame() has to walk exactly the lights the encode will touch, so the total must be the SUM of the lanes rather than the buffer size or the longest lane. Under-counting is the dangerous direction. TEST_CASE("ParallelLedDriver prices every lane, not just the longest") { mm::I80Peripheral peripheral; mm::ParallelLedDriver d; @@ -465,8 +462,7 @@ TEST_CASE("ParallelLedDriver prices every lane, not just the longest") { d.correctionForTest().budgetMa = 1080; d.tick(); - // Halved. Sizing the pass by the longest lane (50) would price it at 1200 mA and set limit to - // 230: the under-counting direction, which reports a frame safe while the supply sags. + // Halved. Sizing the pass by the longest lane would price it at 1200 mA and set limit to 230, the under-counting direction that reports a frame safe while the supply sags. CHECK(d.correctionForTest().limit == 128); } diff --git a/test/unit/light/unit_LightPresetsModule.cpp b/test/unit/light/unit_LightPresetsModule.cpp index 76dbe95d..15f4f532 100644 --- a/test/unit/light/unit_LightPresetsModule.cpp +++ b/test/unit/light/unit_LightPresetsModule.cpp @@ -465,8 +465,7 @@ TEST_CASE("A driver referencing a missing preset falls back to the default built CHECK(c.outChannels == 3); } -// whiteLevel reaches the White and WarmWhite dies only, so its gate is narrower than whiteMode's: -// a preset carrying amber or UV but no white would otherwise show a slider that changes nothing. +// whiteLevel reaches the White and WarmWhite dies only, so its gate is narrower than whiteMode's. A preset carrying amber but no white would otherwise show a slider that changes nothing. TEST_CASE("whiteLevel is shown for a white preset and hidden for a no-white one") { LightPresetsModule lib; lib.defineControls(); // seeds RGB(0) GRB(1) BGR(2) RGBW(3) GRBW(4) diff --git a/test/unit/light/unit_RectangleLayout.cpp b/test/unit/light/unit_RectangleLayout.cpp index 081b4c2e..2fc2d300 100644 --- a/test/unit/light/unit_RectangleLayout.cpp +++ b/test/unit/light/unit_RectangleLayout.cpp @@ -1,4 +1,10 @@ -// @module RectangleLayout +/// @module RectangleLayout +/// +/// Pins the hollow-rectangle perimeter walk: the corner-counted-once light count, the reference clockwise-from-top-left order, the degenerate line cases, and the eight wiring permutations. +/// +/// @moreinfo +/// +/// The wiring controls must reorder INDICES only, since the set of emitted coordinates is a property of the box and must be byte-identical however the strip is wired. #include "doctest.h" #include "light/layouts/RectangleLayout.h" @@ -8,12 +14,6 @@ #include #include -// Pins the hollow-rectangle perimeter walk: the corner-counted-once light count, the reference -// clockwise-from-top-left order, the degenerate line cases, and the eight wiring permutations -// (4 start corners × 2 directions). The wiring controls must reorder INDICES only: the set of -// emitted coordinates is a property of the box and must be byte-identical however the strip is -// wired, which is the invariant these tests exist to hold. - using mm::RectangleLayout; namespace { @@ -32,9 +32,7 @@ std::vector> walk(const RectangleLayout& r) { } // namespace -// A rectangle is FLAT: every light sits at z = 0. Nothing in the x/y checks below would notice a -// stray depth, but a non-zero z inflates the layout's bounding box, so the Layer allocates a buffer -// `depth` times larger for one plane of lights: a silent 10x memory cost, not a visible fault. +// A rectangle is FLAT, with every light at z = 0. Nothing in the x/y checks below would notice a stray depth, but a non-zero z inflates the bounding box, so the Layer allocates `depth` times over. TEST_CASE("RectangleLayout: every light is emitted flat at z = 0") { RectangleLayout r; r.width = 7; r.height = 5; @@ -49,8 +47,7 @@ TEST_CASE("RectangleLayout: every light is emitted flat at z = 0") { CHECK(maxZ == 0); } -// The perimeter of a w×h box counts each corner once: 2·(w+h) − 4. A strip bent around a frame has -// exactly one LED in each corner, even though that corner belongs to two edges. +// The perimeter of a w×h box counts each corner once: 2·(w+h) − 4. A strip bent around a frame has exactly one LED in each corner, even though that corner belongs to two edges. TEST_CASE("RectangleLayout: light count is the perimeter with corners counted once") { RectangleLayout r; r.width = 4; r.height = 3; @@ -61,8 +58,7 @@ TEST_CASE("RectangleLayout: light count is the perimeter with corners counted on CHECK(r.lightCount() == 4); // the smallest real rectangle } -// lightCount() must agree with what placeLights() actually emits, or the Layer allocates a buffer -// of one size and the LUT build walks another. +// lightCount() must agree with what placeLights() actually emits, or the Layer allocates a buffer of one size and the LUT build walks another. TEST_CASE("RectangleLayout: emitted light count matches lightCount()") { RectangleLayout r; r.width = 7; r.height = 5; @@ -91,8 +87,7 @@ TEST_CASE("RectangleLayout: default walk runs clockwise from the top-left corner CHECK(p[9] == std::pair{0, 1}); } -// Every light lands on its own cell: the walk goes round the frame exactly once. A duplicate would -// mean two LEDs mapped to one logical position (one of them dark), a gap would mean an unlit LED. +// Every light lands on its own cell: the walk goes round the frame exactly once. A duplicate would mean two LEDs mapped to one logical position (one of them dark), a gap would mean an unlit LED. TEST_CASE("RectangleLayout: every light occupies a distinct perimeter cell") { RectangleLayout r; r.width = 9; r.height = 6; @@ -104,13 +99,7 @@ TEST_CASE("RectangleLayout: every light occupies a distinct perimeter cell") { CHECK((x == 0 || x == r.width - 1 || y == 0 || y == r.height - 1)); } -// startCorner and clockwise change the WIRING, not the shape. Whatever corner the strip enters at -// and whichever way it runs, the same cells light up: only the index order differs. This is what -// lets an effect's "top edge" be the physical top edge on any build. -// -// Every position is compared, not the set of them: a set has no order, so it passes on a walk that -// visits the right cells in the wrong sequence, which is the one thing these controls choose. Each -// wiring is the reference rotated to the chosen corner, counter-clockwise traversed backwards. +// startCorner and clockwise change the WIRING rather than the shape, so only the index order differs. Every position is compared rather than the set, since a set has no order. TEST_CASE("RectangleLayout: each of the eight wirings emits the reference walk in its own order") { const int w = 6, h = 4; RectangleLayout ref; @@ -143,8 +132,7 @@ TEST_CASE("RectangleLayout: each of the eight wirings emits the reference walk i } } -// Light 0 lands on the corner the user named: the control's whole purpose. (x, y) origin is -// top-left, so "bottom" is y = height − 1. +// Light 0 lands on the corner the user named: the control's whole purpose. (x, y) origin is top-left, so "bottom" is y = height − 1. TEST_CASE("RectangleLayout: light 0 sits on the chosen start corner") { const int w = 6, h = 4; const std::pair corners[4] = { @@ -157,8 +145,7 @@ TEST_CASE("RectangleLayout: light 0 sits on the chosen start corner") { } } -// Counter-clockwise reverses the direction of travel while keeping the same first light: from the -// top-left corner it heads DOWN the left edge instead of right along the top. +// Counter-clockwise reverses the direction of travel while keeping the same first light: from the top-left corner it heads DOWN the left edge instead of right along the top. TEST_CASE("RectangleLayout: counter-clockwise reverses travel from the same corner") { RectangleLayout r; r.width = 4; r.height = 3; @@ -171,8 +158,7 @@ TEST_CASE("RectangleLayout: counter-clockwise reverses travel from the same corn CHECK(p[3] == std::pair{1, 2}); // then right along the bottom } -// A box one light thick has no interior to go around, so it degenerates to a plain line. The -// rectangle formula would walk those cells twice and light phantom positions, so it is not used. +// A box one light thick has no interior to go around, so it degenerates to a plain line. The rectangle formula would walk those cells twice and light phantom positions, so it is not used. TEST_CASE("RectangleLayout: a one-light-thick box degenerates to a line, not a doubled-back frame") { RectangleLayout row; row.width = 5; row.height = 1; @@ -200,8 +186,7 @@ TEST_CASE("RectangleLayout: a zero-sided box emits no lights") { } // --- Four separate strips (sharedCorners off) --------------------------------------------------- -// One strip bent around a frame has ONE light in each corner. Four strips have their own end there, -// so the count is the plain sum of the edges and two lights share each corner coordinate. +// One strip bent around a frame has ONE light in each corner. Four strips have their own end there, so the count is the plain sum of the edges and two lights share each corner coordinate. TEST_CASE("RectangleLayout: unshared corners count every edge in full") { RectangleLayout r; @@ -214,8 +199,7 @@ TEST_CASE("RectangleLayout: unshared corners count every edge in full") { CHECK(r.lightCount() == 56); // the same box, four corners folded away } -// The extra lights must land ON the corners, not past them: an edge running its full length is one -// step from walking outside the box, which would inflate the Layer's bounding box. +// The extra lights must land ON the corners rather than past them, since an edge running its full length is one step from walking outside the box. TEST_CASE("RectangleLayout: unshared corners double the corner cells and stay in the box") { RectangleLayout r; r.width = 4; r.height = 3; @@ -250,8 +234,7 @@ TEST_CASE("RectangleLayout: unshared corners still honor the chosen start corner } // --- offset -------------------------------------------------------------------------------------- -// A strip rarely starts exactly at a corner. offset slides where index 0 sits WITHOUT moving any -// light: the same coordinates come out, rotated in the wiring order. +// A strip rarely starts exactly at a corner. offset slides where index 0 sits WITHOUT moving any light: the same coordinates come out, rotated in the wiring order. TEST_CASE("RectangleLayout: offset rotates the wiring and emits the same coordinates") { RectangleLayout plain, shifted; @@ -268,8 +251,7 @@ TEST_CASE("RectangleLayout: offset rotates the wiring and emits the same coordin std::set>(b.begin(), b.end())); // the shape did not } -// A full lap is a no-op, and anything beyond it wraps: the walk is modular, so an offset larger -// than the perimeter must not run off the end of it. +// A full lap is a no-op, and anything beyond it wraps: the walk is modular, so an offset larger than the perimeter must not run off the end of it. TEST_CASE("RectangleLayout: an offset of a full lap or more wraps") { RectangleLayout plain, lap; plain.width = lap.width = 7; From 7cfe6f475f5a8bb1e60b5d25750db3a7263d1971 Mon Sep 17 00:00:00 2001 From: Shura Fedorovskyi Date: Sun, 27 Sep 2026 16:06:07 +0400 Subject: [PATCH 25/25] Fix the card image path and record the post-merge metrics The VideoService card's image was one directory level short, so it 404'd on the site. Two origin lines still named the project by its old name. KPI: 5184lights | Desktop:1985KB | tick:28/6us(FPS:35714/166666) | tick:6832us(FPS:146) | heap:32989KB | src:282(72569) | test:212(47359) | lizard:283w **Docs/CI** - services.md: the card image resolves from the page, which is what test_catalog_card_images_resolve_on_disk caught - layouts.md, effects.md: `Origin: projectMM` becomes `Origin: MoonLight`, matching upstream's rename - repo-health: measured on an ESP32-P4 rev3 running this branch, so the ESP32 tick is a live reading rather than a carried one **Tests** - the two scenarios the runner re-measured, scenario_Video_mutation gaining its desktop-macos observations Deltas: ESP32 tick 6,832 us (-1,522), FPS 146 (+27), heap 32,989 KB. esp32p4rev3-eth-wifi 2,440 KB, 60% of its partition. Unit cases 2,171 (+71), scenarios 12 (+1). Co-Authored-By: Claude Opus 5 (1M context) --- docs/moonmodules/core/services.md | 2 +- docs/moonmodules/light/effects.md | 2 +- docs/moonmodules/light/layouts.md | 2 +- docs/reference/metrics/repo-health.json | 70 ++++++++------ docs/reference/metrics/repo-health.md | 54 +++++------ esp32/main/idf_component.yml | 2 +- ...o_Effects_pipeline_builds_and_renders.json | 6 +- .../light/scenario_Video_mutation.json | 91 +++++++++++++++++++ 8 files changed, 166 insertions(+), 63 deletions(-) diff --git a/docs/moonmodules/core/services.md b/docs/moonmodules/core/services.md index 823ab18b..af87b3c9 100644 --- a/docs/moonmodules/core/services.md +++ b/docs/moonmodules/core/services.md @@ -44,7 +44,7 @@ Detail: [technical](moxygen/AudioService.md) · [the sync packet](../light/moxyg ### Video -Video service card +Video service card A user-added Service: the video source screen-follow effects read. The counterpart of [Audio](#audio) for a picture, decoded once per tick however many effects want it. `source` decides which controls show. Sources, HDR and staleness: ⌄ details. diff --git a/docs/moonmodules/light/effects.md b/docs/moonmodules/light/effects.md index ab902e79..965537a2 100644 --- a/docs/moonmodules/light/effects.md +++ b/docs/moonmodules/light/effects.md @@ -1372,7 +1372,7 @@ The effect fills a logical box and knows nothing else. On a [Rectangle](layouts. With no video source it paints black. Every effect owns its background, so returning early would leave the previous effect's picture frozen on the strip. -Origin: projectMM +Origin: MoonLight Detail: [technical](moxygen/AmbilightEffect.md) diff --git a/docs/moonmodules/light/layouts.md b/docs/moonmodules/light/layouts.md index 62ada24a..50889d8e 100644 --- a/docs/moonmodules/light/layouts.md +++ b/docs/moonmodules/light/layouts.md @@ -333,4 +333,4 @@ A script names its own size controls, such as `cols` and `rows`. The pipeline de `startCorner`, `offset` and `clockwise` describe the **wiring, not the shape**: they reorder indices while every coordinate stays identical, so set them to match your build and an effect's "top edge" lights the physical top edge. Same split [Single Row](#singlerow) draws with `reversed order` and [Grid](#grid) with `serpentine`. `sharedCorners` is the exception, since it changes how many lights there are. -Origin: projectMM +Origin: MoonLight diff --git a/docs/reference/metrics/repo-health.json b/docs/reference/metrics/repo-health.json index 52ca02e0..a789658f 100644 --- a/docs/reference/metrics/repo-health.json +++ b/docs/reference/metrics/repo-health.json @@ -1,11 +1,11 @@ { - "commit": "7072824b", + "commit": "a8d1aa65", "flash": { "esp32s3-n16r8": 2142976, - "desktop": 1993480, + "desktop": 2033096, "esp32": 2091488, "esp32p4rev1-eth": 2045840, - "esp32p4rev1-eth-wifi": 2331904, + "esp32p4rev1-eth-wifi": 2493504, "esp32s3-n8r8": 2087168, "esp32s31": 2428080, "esp32-16mb": 2060368, @@ -14,7 +14,8 @@ "qemu": 1383648, "esp32p4rev3-eth": 1643760, "esp32s3-zero": 2024192, - "esp32-pico": 2107168 + "esp32-pico": 2107168, + "esp32p4rev3-eth-wifi": 2498304 }, "measured": { "esp32p4rev1-eth": "2026-09-22", @@ -22,23 +23,24 @@ "esp32": "2026-09-25", "esp32-pico": "2026-09-09", "esp32s3-n16r8": "2026-09-25", - "desktop": "2026-09-25", + "desktop": "2026-09-27", "esp32s3-n8r8": "2026-09-08", "esp32s3-zero": "2026-09-08", "esp32-16mb": "2026-09-09", - "esp32p4rev1-eth-wifi": "2026-09-22", - "esp32-eth": "2026-09-11" + "esp32p4rev1-eth-wifi": "2026-09-27", + "esp32-eth": "2026-09-11", + "esp32p4rev3-eth-wifi": "2026-09-27" }, "perf": { "desktop": { - "tick_us": 1, - "fps": 1000000, + "tick_us": 28, + "fps": 35714, "scenario_p50": { "Effects_pipeline_builds_and_renders": { "p50": 8, "p95": 19, "n": 27, - "last": "2026-09-25" + "last": "2026-09-27" }, "Layouts_resize_reallocates_live": { "p50": 66, @@ -49,8 +51,8 @@ } }, "esp32": { - "tick_us": 8354, - "fps": 119 + "tick_us": 6832, + "fps": 146 }, "scenario_matrix": { "Firmware_reports_what_is_running": { @@ -74,7 +76,7 @@ "p50": 8, "p95": 19, "n": 27, - "last": "2026-09-25" + "last": "2026-09-27" } }, "Effects_swap_while_running": { @@ -92,58 +94,66 @@ "n": 8, "last": "2026-09-24" } + }, + "Video_mutation": { + "desktop-macos": { + "p50": 30, + "p95": 30, + "n": 1, + "last": "2026-09-27" + } } } }, "loc": { - "core": 22174, - "light": 30956, - "platform": 16776, + "core": 22736, + "light": 31637, + "platform": 17439, "ui": 11360, - "test": 57352, - "moondeck": 27952 + "test": 58703, + "moondeck": 27964 }, "comments": { "core": { - "lines": 5659, - "ratio": 0.282 + "lines": 5792, + "ratio": 0.281 }, "light": { - "lines": 7456, + "lines": 7604, "ratio": 0.27 }, "platform": { - "lines": 3605, - "ratio": 0.24 + "lines": 3710, + "ratio": 0.238 }, "ui": { "lines": 3396, "ratio": 0.316 }, "test": { - "lines": 6675, + "lines": 6830, "ratio": 0.135 }, "moondeck": { - "lines": 4673, + "lines": 4675, "ratio": 0.19 } }, "tests": { - "cases": 2100, - "scenarios": 11 + "cases": 2171, + "scenarios": 12 }, "docs": { "md_files": 134, - "md_lines": 28075, + "md_lines": 28222, "plans_files": 37, "backlog_lines": 3110, "lessons_lines": 526, "claude_md_lines": 281 }, "complexity": { - "functions": 3703, - "over_threshold": 277, + "functions": 3819, + "over_threshold": 283, "worst_ccn": 128 } } diff --git a/docs/reference/metrics/repo-health.md b/docs/reference/metrics/repo-health.md index da7ff863..22447333 100644 --- a/docs/reference/metrics/repo-health.md +++ b/docs/reference/metrics/repo-health.md @@ -1,6 +1,6 @@ # Repo health -Measured at `7072824b`. Generated by [`moondeck/check/repo_health.py`](../../../moondeck/check/repo_health.py) on every KPI-gate run. **Do not edit by hand.** +Measured at `a8d1aa65`. Generated by [`moondeck/check/repo_health.py`](../../../moondeck/check/repo_health.py) on every KPI-gate run. **Do not edit by hand.** Current state only; the trend is this file's git history (`git log -p docs/reference/metrics/repo-health.md`). Nothing here fails a build: the numbers make growth visible, the judgment stays human. @@ -8,19 +8,20 @@ Current state only; the trend is this file's git history (`git log -p docs/refer | Target | Flash | Capacity | Used | Built | |---|---:|---:|---:|:--:| -| desktop | 1,947 KB (+1 KB) ⚠ | - | - | yes | -| esp32 | 2,042 KB (+368 B) ⚠ | 2,496 KB | 82% | yes | -| esp32-16mb | 2,012 KB | 4,096 KB | 49% | **STALE 16d** | -| esp32-eth | 1,642 KB | 2,496 KB | 66% | **STALE 14d** | -| esp32-pico | 2,058 KB | 3,072 KB | 67% | **STALE 16d** | +| desktop | 1,985 KB (+39 KB) ⚠ | - | - | yes | +| esp32 | 2,042 KB | 2,496 KB | 82% | carried 2d | +| esp32-16mb | 2,012 KB | - | - | **STALE 18d** | +| esp32-eth | 1,642 KB | 2,496 KB | 66% | **STALE 16d** | +| esp32-pico | 2,058 KB | - | - | **STALE 18d** | | esp32-wrover | 1,801 KB | - | - | carried (age?) | -| esp32p4rev1-eth | 1,998 KB | 4,096 KB | 49% | carried 3d | -| esp32p4rev1-eth-wifi | 2,277 KB | 4,096 KB | 56% | carried 3d | -| esp32p4rev3-eth | 1,605 KB | - | - | carried (age?) | -| esp32s3-n16r8 | 2,093 KB | 4,096 KB | 51% | carried 0d | -| esp32s3-n8r8 | 2,038 KB | 3,072 KB | 66% | **STALE 17d** | -| esp32s3-zero | 1,977 KB | 2,496 KB | 79% | **STALE 17d** | -| esp32s31 | 2,371 KB | 4,096 KB | 58% | carried 3d | +| esp32p4rev1-eth | 1,998 KB | 4,096 KB | 49% | carried 5d | +| esp32p4rev1-eth-wifi | 2,435 KB (+158 KB) ⚠ | 4,096 KB | 59% | yes | +| esp32p4rev3-eth | 1,605 KB | 4,096 KB | 39% | carried (age?) | +| esp32p4rev3-eth-wifi | 2,440 KB | 4,096 KB | 60% | yes | +| esp32s3-n16r8 | 2,093 KB | 4,096 KB | 51% | carried 2d | +| esp32s3-n8r8 | 2,038 KB | - | - | **STALE 19d** | +| esp32s3-zero | 1,977 KB | 2,496 KB | 79% | **STALE 19d** | +| esp32s31 | 2,371 KB | - | - | carried 5d | | qemu | 1,351 KB | - | - | carried (age?) | `Built: yes` was measured this run. `carried (age?)` was not rebuilt either and predates this record, so its age is unknown: it dates itself on the next build. `carried Nd` was NOT rebuilt and its number is N days old, so an absent delta says nothing about the change. **STALE** marks a carry older than 7 days: the number has gone unchecked long enough that growth will surface later as one jump, blamed on whichever commit happens to rebuild that target. `Used` is against the app slot in the firmware's own partition table. @@ -29,8 +30,8 @@ Current state only; the trend is this file's git history (`git log -p docs/refer | Target | Tick | FPS | |---|---:|---:| -| desktop | 1 µs | 1,000,000 | -| esp32 | 8,354 µs | 119 | +| desktop | 28 µs (+27 µs) ⚠ | 35,714 (−964,286) ⚠ | +| esp32 | 6,832 µs (−1,522 µs) ✓ | 146 (+27) ✓ | ### Scenario tick by target (p50 of each sample window) @@ -41,10 +42,11 @@ Current state only; the trend is this file's git history (`git log -p docs/refer | Effects_swap_while_running | 48 | | Firmware_reports_what_is_running | 38 | | Layouts_resize_reallocates_live | 66 | +| Video_mutation | 30 ? | Microseconds. `?` marks a cell backed by fewer than 4 samples, which is a first impression rather than a percentile; several are months old and were captured during a network reconfigure, so they read as whole milliseconds. `-` means that target has never run that scenario. -**Coverage: 5/5 cells measured (100%), 5 of them with 4+ samples (100%).** The blanks are the point: a regression on a target that has never run a scenario cannot be DETECTED in it, and the target cannot be compared against the others. Filling the matrix means running the scenario suite on each bench board, which is a standing task rather than a one-off. +**Coverage: 6/6 cells measured (100%), 5 of them with 4+ samples (83%).** The blanks are the point: a regression on a target that has never run a scenario cannot be DETECTED in it, and the target cannot be compared against the others. Filling the matrix means running the scenario suite on each bench board, which is a standing task rather than a one-off. ### desktop: isolated scenarios (p50 of the sample window) @@ -59,26 +61,26 @@ These build a bare pipeline with no optional modules, so a change here is a chan | Area | Lines | Comments | Comment share | |---|---:|---:|---:| -| core | 22,174 | 5,659 | 28.2 % | -| light | 30,956 | 7,456 | 27.0 % | -| platform | 16,776 | 3,605 | 24.0 % | +| core | 22,736 (+562) ⚠ | 5,792 | 28.1 % (−0.1 %) ✓ | +| light | 31,637 (+681) ⚠ | 7,604 | 27.0 % | +| platform | 17,439 (+663) ⚠ | 3,710 | 23.8 % (−0.2 %) ✓ | | ui | 11,360 | 3,396 | 31.6 % | -| test | 57,352 | 6,675 | 13.5 % | -| moondeck | 27,952 | 4,673 | 19.0 % | +| test | 58,703 (+1,351) ⚠ | 6,830 | 13.5 % | +| moondeck | 27,964 (+12) ⚠ | 4,675 | 19.0 % | ## Tests | Kind | Count | |---|---:| -| unit cases | 2,100 | -| scenarios | 11 | +| unit cases | 2,171 (+71) ✓ | +| scenarios | 12 (+1) ✓ | ## Complexity | Metric | Value | |---|---:| -| functions | 3,703 (+1) ✓ | -| over threshold | 277 | +| functions | 3,819 (+116) ✓ | +| over threshold | 283 (+6) ⚠ | | worst CCN | 128 | ## Documentation @@ -86,7 +88,7 @@ These build a bare pipeline with no optional modules, so a change here is a chan | Metric | Value | |---|---:| | markdown files | 134 | -| markdown lines | 28,075 (+19) ⚠ | +| markdown lines | 28,222 (+147) ⚠ | | plan files | 37 | | backlog lines | 3,110 | | lessons lines | 526 | diff --git a/esp32/main/idf_component.yml b/esp32/main/idf_component.yml index 1f1ea6c7..7e514a2a 100644 --- a/esp32/main/idf_component.yml +++ b/esp32/main/idf_component.yml @@ -84,7 +84,7 @@ dependencies: rules: - if: "$CONFIG{MM_P4_WIFI} == True" # usb_host_uvc — UVC (webcam) host, allows to read video from USB device. P4 only: no other - # ESP32 has a High-Speed USB host, and at Full Speed (~1 MB/s) MJPEG starves. + # ESP32 has a High-Speed USB host, and at Full Speed (~1 MB/s) MJPEG starves. espressif/usb_host_uvc: version: "^2.5.2" rules: diff --git a/test/scenarios/light/scenario_Effects_pipeline_builds_and_renders.json b/test/scenarios/light/scenario_Effects_pipeline_builds_and_renders.json index 576032e6..b0da27ae 100644 --- a/test/scenarios/light/scenario_Effects_pipeline_builds_and_renders.json +++ b/test/scenarios/light/scenario_Effects_pipeline_builds_and_renders.json @@ -103,10 +103,10 @@ "p95": 19, "min": 5, "max": 21, - "n": 26, - "samples": [5, 5, 5, 5, 13, 8, 14, 17, 8, 13, 19, 6, 14, 5, 11, 12, 8, 6, 8, 7, 18, 21, 6, 9, 6, 13] + "n": 27, + "samples": [5, 5, 5, 5, 13, 8, 14, 17, 8, 13, 19, 6, 14, 5, 11, 12, 8, 6, 8, 7, 18, 21, 6, 9, 6, 13, 7] }, - "last_updated": "2026-09-25" + "last_updated": "2026-09-27" } } }, diff --git a/test/scenarios/light/scenario_Video_mutation.json b/test/scenarios/light/scenario_Video_mutation.json index 12cd1d3e..f1db881b 100644 --- a/test/scenarios/light/scenario_Video_mutation.json +++ b/test/scenarios/light/scenario_Video_mutation.json @@ -102,6 +102,19 @@ "fps": { "min": 1 } + }, + "observed": { + "desktop-macos": { + "tick_us": { + "p50": 20, + "p95": 20, + "min": 20, + "max": 20, + "n": 1, + "samples": [20] + }, + "last_updated": "2026-09-27" + } } }, { @@ -121,6 +134,19 @@ "fps": { "min": 1 } + }, + "observed": { + "desktop-macos": { + "tick_us": { + "p50": 20, + "p95": 20, + "min": 20, + "max": 20, + "n": 1, + "samples": [20] + }, + "last_updated": "2026-09-27" + } } }, { @@ -148,6 +174,19 @@ "fps": { "min": 1 } + }, + "observed": { + "desktop-macos": { + "tick_us": { + "p50": 20, + "p95": 20, + "min": 20, + "max": 20, + "n": 1, + "samples": [20] + }, + "last_updated": "2026-09-27" + } } }, { @@ -167,6 +206,19 @@ "fps": { "min": 1 } + }, + "observed": { + "desktop-macos": { + "tick_us": { + "p50": 25, + "p95": 25, + "min": 25, + "max": 25, + "n": 1, + "samples": [25] + }, + "last_updated": "2026-09-27" + } } }, { @@ -194,6 +246,19 @@ "fps": { "min": 1 } + }, + "observed": { + "desktop-macos": { + "tick_us": { + "p50": 30, + "p95": 30, + "min": 30, + "max": 30, + "n": 1, + "samples": [30] + }, + "last_updated": "2026-09-27" + } } }, { @@ -211,6 +276,19 @@ "fps": { "min": 1 } + }, + "observed": { + "desktop-macos": { + "tick_us": { + "p50": 28, + "p95": 28, + "min": 28, + "max": 28, + "n": 1, + "samples": [28] + }, + "last_updated": "2026-09-27" + } } }, { @@ -228,6 +306,19 @@ "fps": { "min": 1 } + }, + "observed": { + "desktop-macos": { + "tick_us": { + "p50": 24, + "p95": 24, + "min": 24, + "max": 24, + "n": 1, + "samples": [24] + }, + "last_updated": "2026-09-27" + } } } ]