[FFmpeg-trac] #9535(undetermined:new): PNG decoder fails processing more than a certain number of frames

[FFmpeg]

#9535: PNG decoder fails processing more than a certain number of frames
-------------------------------------+-------------------------------------
             Reporter:  panthalassa  |                    Owner:  (none)
                 Type:  defect       |                   Status:  new
             Priority:  normal       |                Component:
                                     |  undetermined
              Version:  unspecified  |               Resolution:
             Keywords:  png          |               Blocked By:
  decoding pattern_type glob         |
             Blocking:               |  Reproduced by developer:  0
Analyzed by developer:  0            |
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Comment (by Eric Reed):

 Reproduced on master:
 {{{
 ❯ ./ffmpeg -i /mnt/e/waifu2x/frames_out/3046.png
 ffmpeg version N-117838-g4d3e96c90c Copyright (c) 2000-2024 the FFmpeg
 developers
   built with gcc 13 (Ubuntu 13.2.0-23ubuntu4)
   configuration: --prefix=/mnt/e/ffmpeg/build --ld=g++
 --bindir=/mnt/e/ffmpeg/bin
   libavutil      59. 47.100 / 59. 47.100
   libavcodec     61. 25.100 / 61. 25.100
   libavformat    61.  9.100 / 61.  9.100
   libavdevice    61.  4.100 / 61.  4.100
   libavfilter    10.  6.101 / 10.  6.101
   libswscale      8.  9.101 /  8.  9.101
   libswresample   5.  4.100 /  5.  4.100
 [png @ 0x555668ffab40] chunk too big
 [png_pipe @ 0x555668ff97c0] Could not find codec parameters for stream 0
 (Video: png, none): unspecified size
 Consider increasing the value for the 'analyzeduration' (0) and
 'probesize' (5000000) options
 Input #0, png_pipe, from '/mnt/e/waifu2x/frames_out/3046.png':
   Duration: N/A, bitrate: N/A
   Stream #0:0: Video: png, none, 25 fps, 25 tbr, 25 tbn
 At least one output file must be specified
 }}}
-- 
Ticket URL: <https://trac.ffmpeg.org/ticket/9535#comment:12>
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