feat: use MediaRecorder + canvas.captureStream() for MP4/WebM output

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Recording now uses the browser's hardware video encoder:
- JPEG frames drawn to offscreen canvas → canvas.captureStream(30fps)
- MediaRecorder encodes to MP4 (preferred) or WebM (fallback)
- Stop triggers download of standard video file

Playback uses native <video> element — no custom parsing needed.
Massively simplified: removed packFrames/unpackFrames, no more custom
binary format.

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This commit is contained in:

李傲琦

2026-08-01 20:29:32 +08:00

parent d2ecb1a4ed

commit 9cb9045f87

9 changed files with 176 additions and 260 deletions

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dist/assets/index-aL8cGzGF.js

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