[FFmpeg-trac] #2400(undetermined:open): A/V desync for separate video and aac in mp4 input files
FFmpeg
trac at avcodec.org
Sat Feb 18 17:09:22 EET 2017
#2400: A/V desync for separate video and aac in mp4 input files
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Reporter: chinshou | Owner:
Type: defect | Status: open
Priority: important | Component:
Version: git-master | undetermined
Keywords: mov aac | Resolution:
regression desync | Blocked By:
Blocking: | Reproduced by developer: 1
Analyzed by developer: 0 |
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Comment (by michael):
The STTS atom of bbb.mp4 looks broken
[mov,mp4,m4a,3gp,3g2,mj2 @ 0x2fbeb40] track[0].stts.entries = 3
[mov,mp4,m4a,3gp,3g2,mj2 @ 0x2fbeb40] sample_count=4, sample_duration=1024
[mov,mp4,m4a,3gp,3g2,mj2 @ 0x2fbeb40] sample_count=360, sample_duration=1
[mov,mp4,m4a,3gp,3g2,mj2 @ 0x2fbeb40] sample_count=1, sample_duration=1024
This results in bad timestamps for the audio
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Ticket URL: <https://trac.ffmpeg.org/ticket/2400#comment:7>
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