[FFmpeg-trac] #11667(undetermined:new): .avif conversion to other container only encodes the first frame.

[FFmpeg]

#11667: .avif conversion to other container only encodes the first frame.
-------------------------------------+-------------------------------------
             Reporter:  rabcor       |                     Type:  defect
               Status:  new          |                 Priority:  important
            Component:               |                  Version:  7.1
  undetermined                       |
             Keywords:  av1          |               Blocked By:
  conversion mp4 mkv frames          |
             Blocking:               |  Reproduced by developer:  0
Analyzed by developer:  0            |
-------------------------------------+-------------------------------------
 Summary of the bug:
 How to reproduce:
 {{{
 % ffmpeg -i input.avif output.mp4
 ffmpeg version n7.1.1
 built with gcc 15.1.1 (GCC) 20250425
 }}}

 The output container format doesn't really matter, neither does the codec
 used. The result is always just the first frame of the animation.
-- 
Ticket URL: <https://trac.ffmpeg.org/ticket/11667>
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