[FFmpeg-trac] #2099(avformat:closed): FFMPEG Does not allow TrueHD, DTS-Master Audio or DTS in .M4V even though format supports it

[FFmpeg]

#2099: FFMPEG Does not allow TrueHD, DTS-Master Audio or DTS in .M4V even though
format supports it
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             Reporter:  JohnGalt     |                    Owner:
                 Type:  enhancement  |                   Status:  closed
             Priority:  wish         |                Component:  avformat
              Version:  git-master   |               Resolution:
             Keywords:  mov dca thd  |  needs_more_info
             Blocking:               |               Blocked By:
Analyzed by developer:  0            |  Reproduced by developer:  0
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Changes (by cehoyos):

 * cc: DJRumpy (added)


Comment:

 Replying to [comment:53 DJRumpy]:
 > I was able to work around it by forcing the output format (-f mp4), but
 I don't think this should be necessary.

 Using {{{-f mp4}}} means FFmpeg wrote a mp4 (isom) file not an m4v (ipod)
 file. Iirc, the original issue here in this ticket was not to support DTS
 in isom (this works currently if I understand your tests correctly) but to
 support DTS in ipod / m4v files. We should not create such files unless we
 know that they are valid / supported.
 The sample you provided is also an isom file (not an ipod file).

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Ticket URL: <https://trac.ffmpeg.org/ticket/2099#comment:54>
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