Unsupported jpeg 2000 marker 0xFF61

[Carl Eugen Hoyos]

$ ffmpeg -i p1_02.j2k
ffmpeg version N-72808-gb58a3c8 Copyright (c) 2000-2015 the FFmpeg developers
  built with gcc 4.7 (SUSE Linux)
  configuration: --enable-gpl --enable-libvpx --enable-libwebp
  libavutil      54. 27.100 / 54. 27.100
  libavcodec     56. 41.100 / 56. 41.100
  libavformat    56. 36.100 / 56. 36.100
  libavdevice    56.  4.100 / 56.  4.100
  libavfilter     5. 16.101 /  5. 16.101
  libswscale      3.  1.101 /  3.  1.101
  libswresample   1.  2.100 /  1.  2.100
  libpostproc    53.  3.100 / 53.  3.100
[jpeg2000 @ 0x2d922c0] extra cblk styles A
[jpeg2000 @ 0x2d922c0] unsupported marker 0xFF61 at pos 0x106
[jpeg2000 @ 0x2d922c0] nonzerobits -4 invalid
Input #0, j2k_pipe, from 'p1_02.j2k':
  Duration: N/A, bitrate: N/A
    Stream #0:0: Video: jpeg2000 (JPEG 2000 no codestream restrictions), rgb24, 640x480, 25 tbr, 25 tbn, 25 tbc
At least one output file must be specified

[Elon Musk]

There is no point in supporting this marker as its not really mandatory so p1_02.j2k bug in decoding is somewhere else.

[Carl Eugen Hoyos]

For the (more important) samma sample, this is the first shown error iirc. But it is of course possible that there is another issue.

[Balling]

​https://github.com/MediaArea/MediaInfoLib/blob/4c8a5a6ef8070b3635003eade494dcb8c74e946f/Source/MediaInfo/Image/File_Jpeg.cpp#L66
​https://github.com/uclouvain/openjpeg/search?q=0xff61&unscoped_q=0xff61
​https://books.google.ru/books?id=mkCMxnHm6hsC&pg=PA566&lpg=PA566&dq=0xFF61+jpeg&source=bl&ots=8CwOWZ9Xy2&sig=ACfU3U0GoRa3RDlKpSHIkv5weyMk74DRDg&hl=ru&sa=X&ved=2ahUKEwjS3-X2xMDlAhVE06YKHakyDnsQ6AEwBXoECAgQAQ#v=onepage&q=0xFF61%20jpeg&f=false

[Balling]

​https://patchwork.ffmpeg.org/project/ffmpeg/patch/20200327133954.27082-1-gautamramk@gmail.com/

[Carl Eugen Hoyos]

Fixed by Gautam Ramakrishnan in e531891f3d12f91a39c66cc7686a432f03b3812a