[FFmpeg-trac] #7621(avformat:new): Add .avif support (AV1 Image File Format

[FFmpeg]

#7621: Add .avif support (AV1 Image File Format
-------------------------------------+------------------------------------
             Reporter:  Ewout        |                    Owner:
                 Type:  enhancement  |                   Status:  new
             Priority:  wish         |                Component:  avformat
              Version:  git-master   |               Resolution:
             Keywords:  mov av01     |               Blocked By:
             Blocking:               |  Reproduced by developer:  0
Analyzed by developer:  0            |
-------------------------------------+------------------------------------

Comment (by Ewout):

 Current debug commandline if .avif is used as input:

 {{{
 Opening an input file: C:\Users\Ewout\AVIF\Chimera-AV1-8bit-
 1920x1080-6736kbps-6.avif.
 [NULL @ 000001c464c4a780] Opening 'C:\Users\Ewout\AVIF\Chimera-AV1-8bit-
 1920x1080-6736kbps-6.avif' for reading
 [file @ 000001c464c4b900] Setting default whitelist 'file,crypto'
 [mov,mp4,m4a,3gp,3g2,mj2 @ 000001c464c4a780] Format
 mov,mp4,m4a,3gp,3g2,mj2 probed with size=2048 and score=100
 [mov,mp4,m4a,3gp,3g2,mj2 @ 000001c464c4a780] ISO: File Type Major Brand:
 mif1
     Last message repeated 1 times
 [mov,mp4,m4a,3gp,3g2,mj2 @ 000001c464c4a780] moov atom not found
 [AVIOContext @ 000001c464c53bc0] Statistics: 66192 bytes read, 3 seeks
 C:\Users\Ewout\AVIF\Chimera-AV1-8bit-1920x1080-6736kbps-6.avif: Invalid
 data found when processing input
 }}}
 Current debug commandline if .avif is used as output:

 {{{
 Opening an output file: png-to-avif.avif.
 [NULL @ 0000021f3f4ecc40] Unable to find a suitable output format for
 'png-to-avif.avif'
 png-to-avif.avif: Invalid argument
 [AVIOContext @ 0000021f3f4f3b00] Statistics: 115667 bytes read, 0 seeks
 }}}

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Ticket URL: <https://trac.ffmpeg.org/ticket/7621#comment:3>
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