[FFmpeg-trac] #3231(documentation:new): Muxing libvorbis audio fails; no sound in the output file

FFmpeg trac at avcodec.org
Thu Dec 19 10:16:26 CET 2013

#3231: Muxing libvorbis audio fails; no sound in the output file
             Reporter:  gyunaev      |                    Owner:
                 Type:  defect       |                   Status:  new
             Priority:  minor        |                Component:
              Version:  git-master   |  documentation
             Keywords:               |               Resolution:
             Blocking:               |               Blocked By:
Analyzed by developer:  0            |  Reproduced by developer:  0

Comment (by gyunaev):

 Thank you very much for following this up. You are correct, but please
 keep in mind that actual problem reported is that muxing WEBM (libvpx +
 libvorbis) does not work at all with unmodified muxing.c. As of right now
 I'm not sure whether the problem is in muxing.c or in
 libavcodec/libavformat since after spending two days of it I was never
 able to actually mux vpx and vorbis in the container which would play
 audio. No matter what I do it results exactly as what happens if you run
 unmodified ./muxing test.webm

 The modifications below are there to describe why I believe the problem is
 in vorbis codec, and not in Theora coder or Webm container. They're not to
 be applied to the released muxing.c, otherwise I'd posted them into

Ticket URL: <https://trac.ffmpeg.org/ticket/3231#comment:5>
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