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Lip sync cannot be judged silently. extract.sh now pulls the audio track and writes manifest.json alongside the frames; the page reads the true extraction rate from it rather than assuming one, since a guessed fps desynchronises picture from sound - the one thing this view exists to show. Audio is the clock: frame = floor(currentTime * fps). A slow render loop drops frames instead of drifting, and half/quarter speed work via playbackRate with the picture following for free. Scrubbing, stepping and clicking a thumbnail all seek the audio too. Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
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82 B
JSON
1 line
82 B
JSON
{"fps":12,"frames":37,"dir":"frames","audio":"audio.wav","source":"IMG_8486.MOV"}
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