[FFmpeg-trac] #10058(undetermined:new): jpeg2000: support paletted images

[FFmpeg]

#10058: jpeg2000: support paletted images
-------------------------------------+-------------------------------------
             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://github.com/openpreserve/jpylyzer-test-
 files/raw/master/palettedImage.jp2

 openjpeg decodes it with palette


 there are also some other unsupported jpeg2000 files marked as valid here:

 https://github.com/openpreserve/jpylyzer-test-files

 {{{
 ./ffmpeg -i palettedImage.jp2 -y out.bmp
 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:
   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
 [jpeg2000 @ 0x5647e8d3cd40] SOC marker not present
 Input #0, j2k_pipe, from 'palettedImage.jp2':
   Duration: N/A, bitrate: N/A
   Stream #0:0: Video: jpeg2000, pal8, 1024x1024, 25 fps, 25 tbr, 25 tbn
 Stream mapping:
   Stream #0:0 -> #0:0 (jpeg2000 (native) -> bmp (native))
 Press [q] to stop, [?] for help
 [jpeg2000 @ 0x5647e8d4f640] SOC marker not present
 Error while decoding stream #0:0: Invalid data found when processing input
 [jpeg2000 @ 0x5647e8d50bc0] Progression order RPCL
 Output #0, image2, to 'out.bmp':
   Metadata:
     encoder         : Lavf59.34.101
   Stream #0:0: Video: bmp, gray(progressive), 1024x1024, q=2-31, 200 kb/s,
 25 fps, 25 tbn
     Metadata:
       encoder         : Lavc59.52.102 bmp
 frame=    0 fps=0.0 q=-0.0 size=       0kB time=00:00:00.04 bitrate=
 0.0kbits/[image2 @ 0x5647e8d3e0c0] The specified filename 'out.bmp' does
 not contain an image sequence pattern or a pattern is invalid.
 [image2 @ 0x5647e8d3e0c0] Use a pattern such as %03d for an image sequence
 or use the -update option (with -frames:v 1 if needed) to write a single
 image.
 frame=    1 fps=0.0 q=-0.0 Lsize=N/A time=00:00:00.04 bitrate=N/A
 speed=0.322x
 video:1025kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB
 muxing overhead: unknown
 }}}
-- 
Ticket URL: <https://trac.ffmpeg.org/ticket/10058>
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