[FFmpeg-trac] #8394(ffmpeg:new): Audio part of remux output file cannot seek

FFmpeg trac at avcodec.org
Fri Nov 22 18:44:32 EET 2019

#8394: Audio part of remux output file cannot seek
             Reporter:  kirbyzhou  |                     Type:  defect
               Status:  new        |                 Priority:  normal
            Component:  ffmpeg     |                  Version:  git-master
             Keywords:             |               Blocked By:
             Blocking:             |  Reproduced by developer:  0
Analyzed by developer:  0          |
 Summary of the bug:

 Remux video track and subtitle from 0.mkv with audio track from 1.avi, the
 audio of output file can not seek.


 How to reproduce:

 ffmpeg -report -i 0.mkv -i 1.avi -map 0:v:0 -map 1:a -map 0:s:0 -c copy -t
 00:09:00 out-2.mkv
 ffmpeg version N-95812-gd73f062706-tessus
 downloade at ffmpeg.org
 macOS 10.14.6

 Player: IINA-1.0.4 MPV-0.30.0 VLC-3.0.7

 Using any player above to play the out.mkv, seek to 04:00~06:00, the audio
 is silent.
 If I remove "-map 0:s:0" from arguments, things go ok.
 If I change "-t 00:09:00" to -t 00:07:00, things go ok.

 ffmpeg-4.2.1 have this bug too.

 Source files are too large to upload, and fragment of files and not
 reproduce the problem.
 So I list the ed2k link here.



Ticket URL: <https://trac.ffmpeg.org/ticket/8394>
FFmpeg <https://ffmpeg.org>
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