[FFmpeg-trac] #5331(undetermined:new): 24bit FLACs muxed in mkv marked as 32bit resulting in no audio on Windows 10

FFmpeg trac at avcodec.org
Sat Mar 12 15:29:21 CET 2016


#5331: 24bit FLACs muxed in mkv marked as 32bit resulting in no audio on Windows
10
-------------------------------------+-------------------------------------
             Reporter:  hdvdeo       |                     Type:  defect
               Status:  new          |                 Priority:  normal
            Component:               |                  Version:
  undetermined                       |  unspecified
             Keywords:               |               Blocked By:
             Blocking:               |  Reproduced by developer:  0
Analyzed by developer:  0            |
-------------------------------------+-------------------------------------
 Summary of the bug:
 If you try to encode/remux video file to mkv container using flac code for
 audio you may receive 24bit flac track marked as 32bit track. This causes
 players to make wrong decisions, for example Windows 10 Movies&TV and
 Windows Media Player. As a workaround you may need to correct information
 in mkv header and that fixes the problem.
 How to reproduce:
 {{{
 % ffmpeg -i input.mkv -c:v copy -c:a flac output.mkv
 ffmpeg version N-78949-g6f5048f Copyright (c) 2000-2016 the FFmpeg
 developers
   built with gcc 5.3.0 (GCC)
 }}}
 Patches should be submitted to the ffmpeg-devel mailing list and not this
 bug tracker.

--
Ticket URL: <https://trac.ffmpeg.org/ticket/5331>
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