[FFmpeg-trac] #3754(avcodec:open): jpeg2000 encode produces gray garbage files, probably connected to threads and compression

[FFmpeg]

#3754: jpeg2000 encode produces gray garbage files, probably connected to threads
and compression
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             Reporter:  bud          |                    Owner:
                 Type:  defect       |                   Status:  open
             Priority:  normal       |                Component:  avcodec
              Version:  git-master   |               Resolution:
             Keywords:  libopenjpeg  |               Blocked By:
             Blocking:               |  Reproduced by developer:  1
Analyzed by developer:  0            |
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Comment (by bud):

 Michael,

 obviously i want it fixed too, why else would i've submitted the bug
 report?!

 with regards to your "interest". openjpeg works properly for me when i
 disable compression. just tried again (with an even older ffmpeg)

 ..\ffmpeg-20131118-git-260fc0d-win32-static\bin\ffmpeg.exe -i "infile.mkv"
 -compression_level 0 c:\temp\%06d.j2c

 works properly. every picture readable and complete.

 enabling compression (e.g. -compression_level 100) leads to 1 fine, 1
 defect, ... (on my 2 core at home)

 bud

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Ticket URL: <https://trac.ffmpeg.org/ticket/3754#comment:8>
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