[FFmpeg-trac] #10070(undetermined:new): apng enc artefacts

[FFmpeg]

#10070: apng enc artefacts
-------------------------------------+-------------------------------------
             Reporter:  ami_stuff    |                     Type:  defect
               Status:  new          |                 Priority:  normal
            Component:               |                  Version:
  undetermined                       |  unspecified
             Keywords:               |               Blocked By:
             Blocking:               |  Reproduced by developer:  0
Analyzed by developer:  0            |
-------------------------------------+-------------------------------------
 https://trac.ffmpeg.org/raw-attachment/ticket/10068/gold2.avi

 {{{
 ./ffmpeg -i gold2.avi -vcodec apng -y out.apng
 ffmpeg version N-109101-g822da7a317 Copyright (c) 2000-2022 the FFmpeg
 developers
   built with gcc 9 (Ubuntu 9.4.0-1ubuntu1~20.04.1)
   configuration: --enable-libopenjpeg
   libavutil      57. 42.100 / 57. 42.100
   libavcodec     59. 52.102 / 59. 52.102
   libavformat    59. 34.101 / 59. 34.101
   libavdevice    59.  8.101 / 59.  8.101
   libavfilter     8. 50.100 /  8. 50.100
   libswscale      6.  8.112 /  6.  8.112
   libswresample   4.  9.100 /  4.  9.100
 Input #0, avi, from 'gold2.avi':
   Duration: 00:00:12.00, start: 0.000000, bitrate: 153 kb/s
   Stream #0:0: Video: srgc (srgc / 0x63677273), bgra, 299x171, 149 kb/s,
 15 fps, 15 tbr, 15 tbn
 Stream mapping:
   Stream #0:0 -> #0:0 (srgc (native) -> apng (native))
 Press [q] to stop, [?] for help
 Output #0, apng, to 'out.apng':
   Metadata:
     encoder         : Lavf59.34.101
   Stream #0:0: Video: apng, rgba(pc, gbr/unknown/unknown, progressive),
 299x171, q=2-31, 200 kb/s, 15 fps, 15 tbn
     Metadata:
       encoder         : Lavc59.52.102 apng
 frame=    0 fps=0.0 q=0.0 size=       0kB time=-577014:32:22.77 bitrate=
 -0.0kbframe=  110 fps=0.0 q=-0.0 size=      57kB time=00:00:07.33 bitrate=
 64.2kbits/frame=  180 fps=0.0 q=-0.0 Lsize=      94kB time=00:00:11.93
 bitrate=  64.3kbits/s speed=14.6x
 video:94kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB
 muxing overhead: 0.089694%
 }}}
-- 
Ticket URL: <https://trac.ffmpeg.org/ticket/10070>
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