[FFmpeg-trac] #11201(avformat:new): Atypical AVIF stream handling in FFmpeg 7: Misaligning major implementations

[FFmpeg]

#11201: Atypical AVIF stream handling in FFmpeg 7: Misaligning major
implementations
-------------------------------------+-------------------------------------
             Reporter:  nmp5         |                    Owner:  (none)
                 Type:  defect       |                   Status:  new
             Priority:  normal       |                Component:  avformat
              Version:  git-master   |               Resolution:
             Keywords:  mov          |               Blocked By:
  regression                         |
             Blocking:               |  Reproduced by developer:  0
Analyzed by developer:  0            |
-------------------------------------+-------------------------------------
Changes (by Martin):

 * cc: Martin (added)

Comment:

 I'm having the same problem with a different animated AVIF created with
 ffmpeg. So, this issue isn't due to EzGIF's processing.

 The only difference here is that ffmpeg v7 finds 2 streams instead of 4,
 unlike with the original reporter's file. Ffmpeg v6 found 1 stream.

 I'll attach my sample file `water.avif` and the logs from ffmpeg v7
 (`water_log.txt`).
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Ticket URL: <https://trac.ffmpeg.org/ticket/11201#comment:12>
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