[FFmpeg-trac] #4178(undetermined:open): Opus audio in MKV container

FFmpeg trac at avcodec.org
Wed Jan 21 13:45:10 CET 2015


#4178: Opus audio in MKV container
-------------------------------------+-------------------------------------
             Reporter:  agressiv     |                    Owner:  vigneshvg
                 Type:  defect       |                   Status:  open
             Priority:  important    |                Component:
              Version:  git-master   |  undetermined
             Keywords:  mkv opus     |               Resolution:
  regression                         |               Blocked By:
             Blocking:               |  Reproduced by developer:  1
Analyzed by developer:  1            |
-------------------------------------+-------------------------------------

Comment (by heleppkes):

 I'm the author of the MKV demuxer in MPC-HC, and Discard Padding is indeed
 currently ignored, but mostly by accident and not by design (or rather,
 due to a missing feature, the DirectShow filter concept used by MPC-HC
 doesn't make communicating side-data from demux to decoder quite trivial).

 If the sample contains DiscardPadding in frames that shouldn't have them,
 then I would argue that the file is muxed wrong. mkvmerge is not fool
 proof, especially when it comes to new things like Opus, so it might be
 worth inquiring with its author (or checking the code).

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Ticket URL: <https://trac.ffmpeg.org/ticket/4178#comment:5>
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