#735: Incorrect DTS sync in OGG codec
-------------------------------------+-------------------------------------
Reporter: zvi | Owner:
Type: defect | Status: open
Priority: normal | Component:
Version: git-master | undetermined
Keywords: ogg vorbis | Resolution:
sync | Blocked By:
Blocking: | Reproduced by developer: 1
Analyzed by developer: 0 |
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Changes (by cehoyos):
* keywords: ogg sync => ogg vorbis sync
* status: new => open
* version: 0.8.7 => git-master
* reproduced: 0 => 1
Comment:
Replying to [comment:3 zvi]:
> * ffmpeg -y -i in.mp4 -vcodec libtheora -b 1000k -acodec libvorbis
out.ogv
> * ffmpeg -y -i out.ogv -vcodec copy -acodec copy out2.ogv
> * The resulting '''out.ogv''' file is broken (the audio drifts quickly
and goes out of sync with the video).
out.ogv plays fine afaict.
(You should be able to edit your message.)
The problem is for example reproducible with
ffmpeg -i out.ogv -acodec copy out.mkv
Resulting file is heavily out-of-sync.
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Ticket URL: <https://ffmpeg.org/trac/ffmpeg/ticket/735#comment:4>
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