[FFmpeg-trac] #3545(avformat:closed): Unsupported pix_fmts in avi rawvideo are written without any warning

[FFmpeg]

#3545: Unsupported pix_fmts in avi rawvideo are written without any warning
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             Reporter:  peter_b     |                    Owner:
                 Type:  defect      |                   Status:  closed
             Priority:  minor       |                Component:  avformat
              Version:  git-master  |               Resolution:  fixed
             Keywords:  avi mov     |               Blocked By:
             Blocking:              |  Reproduced by developer:  1
Analyzed by developer:  0           |
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Changes (by cehoyos):

 * keywords:  avi => avi mov
 * status:  open => closed
 * resolution:   => fixed


Comment:

 Replying to [comment:3 peter_b]:
 > I can't use NUT in that case (long story...)

 Since I took a guess in understanding this sentence: Even if you change
 FFmpeg to read such files (this is not very difficult but in any case
 needs user interaction, ie you'd have to specify the pix_fmt at decoding
 time just as you did at encoding time), the files are still invalid
 insofar as they do not confirm to any specification and likely no other
 software (no player that is not FFmpeg-based) will decode the files. Even
 if you change the muxer and write NUT tags (so you don't have to specify
 the pix_fmt for decoding), you still get files that cannot be read by
 anything but FFmpeg.

 A warning (with AV_LOG_ERROR) is shown since 8b122937

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Ticket URL: <https://trac.ffmpeg.org/ticket/3545#comment:4>
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