[FFmpeg-trac] #11370(ffmpeg:new): Transcoding single-frame APNG to AVIF results in very long encoding time

[FFmpeg]

#11370: Transcoding single-frame APNG to AVIF results in very long encoding time
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             Reporter:  9e80         |                    Owner:  (none)
                 Type:  defect       |                   Status:  new
             Priority:  normal       |                Component:  ffmpeg
              Version:  7.1          |               Resolution:
             Keywords:  apng, avif,  |               Blocked By:
  libaom                             |
             Blocking:               |  Reproduced by developer:  0
Analyzed by developer:  0            |
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Comment (by Balling):

 Now try   -crf 0 -cpu-used 0 which is lossless (first option) and perfect
 compression rate. That will be even slower. Anyway, we know it is slow:
 #10533
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Ticket URL: <https://trac.ffmpeg.org/ticket/11370#comment:1>
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