[FFmpeg-trac] #9460(avfilter:new): ssim issue

[FFmpeg]

#9460: ssim issue
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             Reporter:  xmufzy    |                     Type:  defect
               Status:  new       |                 Priority:  normal
            Component:  avfilter  |                  Version:  git-master
             Keywords:            |               Blocked By:
             Blocking:            |  Reproduced by developer:  0
Analyzed by developer:  0         |
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 Summary of the bug:
 How to reproduce:
 {{{
 %  ffmpeg.exe -i ./src0.png  -i src1.png  -lavfi ssim -f null -
 ffmpeg version
 ffmpeg version N-104375-g77970abb71-20211017 Copyright (c) 2000-2021 the
 FFmpeg developers
 N-104375-g77970abb71 (centos & ubuntu)
 built on ...

   Stream #1:0: Video: png, rgb24(pc), 460x460, 25 fps, 25 tbr, 25 tbn
 Stream mapping:
   Stream #0:0 (png) -> ssim:main
   Stream #1:0 (png) -> ssim:reference
   ssim -> Stream #0:0 (wrapped_avframe)
 Press [q] to stop, [?] for help
 Output #0, null, to 'pipe:':
   Metadata:
     encoder         : Lavf59.6.100
   Stream #0:0: Video: wrapped_avframe, gbrp(pc, gbr/unknown/unknown,
 progressive), 460x460, q=2-31, 200 kb/s, 25 fps, 25 tbn (default)
     Metadata:
       encoder         : Lavc59.12.100 wrapped_avframe
 frame=    1 fps=0.0 q=-0.0 Lsize=N/A time=00:00:00.04 bitrate=N/A
 speed=1.45x
 video:0kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB
 muxing overhead: unknown
 }}}
 Patches should be submitted to the ffmpeg-devel mailing list and not this
 bug tracker.
-- 
Ticket URL: <https://trac.ffmpeg.org/ticket/9460>
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