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feat: add stream-copy exports

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Ethanfel
2026-08-16 09:29:47 +02:00
parent 8f354254b2
commit d5d74066b0
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README.md
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@@ -26,11 +26,12 @@ All clips are exactly 8 seconds — the standard length for foley sound datasets
- **Frame-accurate scrubbing** — click or drag the timeline; arrow keys and J/L for frame-by-frame, Shift for 1-second steps
- **Batch export** — export multiple overlapping clips per cut point with configurable count and spread offset
- **Two export formats** — H.264 MP4 with lossless PCM audio, or WebP image sequence (frames + `.wav`)
- **Three export modes** — H.264 MP4 with lossless PCM audio, WebP image sequence (frames + `.wav`), or lossless/fast ffmpeg stream copy that preserves the source container
- **Portrait crop** — crop to 9:16, 4:5, or 1:1 before export; click the video or crop bar to reposition
- **Random portrait/square** — optionally apply a random crop to a subset of each batch
- **Resize** — scale short side to a fixed pixel size (e.g. 512)
- **Hardware encoding** — GPU-accelerated export via NVENC, VAAPI, QSV, AMF, or VideoToolbox
- **Long clips** — clip duration is no longer capped at 30 seconds
- **Subject tracking** — auto-adjust crop center using YOLOv8 detection (optional)
### Audio extraction & editing