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JamesandClaude Opus 4.6
a146c9e527
- New regression test `webm-transparency`: minimal transparent composition
rendered to WebM, validates VP9 codec and visual quality at 100
checkpoints against golden baseline
- Extend regression harness: `renderConfig.format` field ("mp4" | "webm"),
format-aware output paths and snapshot filenames
- Fix `extractMonoPcm16` to gracefully handle videos without audio
streams (WebM without audio was throwing instead of returning empty)
- Unit tests for `getEncoderPreset()`: VP9/yuva420p for WebM,
h264/yuv420p for MP4, preset mapping, quality preservation
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
15 lines
441 B
JSON
15 lines
441 B
JSON
{
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"name": "webm-transparency",
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"description": "WebM VP9 render with transparent background (alpha channel). Validates the full WebM pipeline: PNG capture, VP9 encoding with yuva420p, and alpha_mode=1 metadata.",
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"tags": ["webm", "transparency", "fast"],
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"minPsnr": 30,
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"maxFrameFailures": 2,
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"minAudioCorrelation": 0.0,
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"maxAudioLagWindows": 120,
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"renderConfig": {
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"fps": 30,
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"format": "webm",
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"workers": 1
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}
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}
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