[FFmpeg-trac] #3622(avformat:new): Second audio track in mov sometimes marked as default

[FFmpeg]

#3622: Second audio track in mov sometimes marked as default
-------------------------------------+-------------------------------------
             Reporter:  cehoyos      |                    Owner:
                 Type:  defect       |                   Status:  new
             Priority:  important    |                Component:  avformat
              Version:  git-master   |               Resolution:
             Keywords:  mov          |               Blocked By:
  regression                         |  Reproduced by developer:  0
             Blocking:               |
Analyzed by developer:  0            |
-------------------------------------+-------------------------------------

Comment (by mcashwell):

 I've been fighting the same problem. An m4v container written by
 ffmpeg-2.2.2 with one h.264 video stream and two audio streams (one AAC
 and one AC3) is shown by ffprobe as having 3 "default" streams and the
 audio does not play on an Apple TV 3.

 The same source file converted with Handbrake plays correctly on the ATV3
 and ffprobe shows only the first audio stream as "default".

 This is a real problem for my workflow. Other than digging into source I'm
 not at all familiar with (and dealing with compiling it entirely manually
 rather than with Homebrew) I'm happy to assist in any way to get this
 fixed.

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Ticket URL: <https://trac.ffmpeg.org/ticket/3622#comment:3>
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