[FFmpeg-trac] #3135(undetermined:new): Extra audio tracks no longer disabled in mp4 container

[FFmpeg]

#3135: Extra audio tracks no longer disabled in mp4 container
-------------------------------------+-------------------------------------
             Reporter:  jrderuiter   |                     Type:  defect
               Status:  new          |                 Priority:  normal
            Component:               |                  Version:  git-
  undetermined                       |  master
             Keywords:               |               Blocked By:
             Blocking:               |  Reproduced by developer:  0
Analyzed by developer:  0            |
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 Previous versions of ffmpeg (such as 1.2.4 - confirmed) disabled extra
 audio tracks in MP4 containers to avoid having multiple 'default' tracks
 in the container. Using the current version of ffmpeg (git-0062869
 (2013-11-12) from zoranoes builds) fails to do so, thus resulting in
 multiple default tracks in the container.

 In my case, it prevents the resulting MP4 being played on an Apple TV 3,
 which has no audio if multiple 'default' tracks are present in the
 container. Note that this issue has been mentioned in older versions of
 ffmpeg as well (see https://trac.ffmpeg.org/ticket/2626), but was fixed in
 the 1.2.x line of ffmpeg at least.

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Ticket URL: <https://ffmpeg.org/trac/ffmpeg/ticket/3135>
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