[FFmpeg-trac] #5461(avformat:reopened): concatdec with "-auto_convert 0" fails on mp4

[FFmpeg]

#5461: concatdec with "-auto_convert 0" fails on mp4
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             Reporter:               |                    Owner:
  andrey.utkin                       |                   Status:  reopened
                 Type:  defect       |                Component:  avformat
             Priority:  important    |               Resolution:
              Version:  git-master   |               Blocked By:
             Keywords:  concat       |  Reproduced by developer:  0
  codecpar regression                |
             Blocking:               |
Analyzed by developer:  0            |
-------------------------------------+-------------------------------------

Comment (by Cigaes):

 Replying to [comment:13 andrey.utkin]:
 > For better performance.
 [[br]]
 Please elaborate.

 [[br]]
 > {{{
 > From: Andrey Utkin <andrey.utkin at pb.com>
 > To: ffmpeg-devel at ffmpeg.org
 > }}}
 [[br]]
 Not arrived on the list.

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Ticket URL: <https://trac.ffmpeg.org/ticket/5461#comment:15>
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