[FFmpeg-trac] #3619(avcodec:open): If configured with libopenjpeg then use it as default jpeg2000 decoder

[FFmpeg]

#3619: If configured with libopenjpeg then use it as default jpeg2000 decoder
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             Reporter:  dericed      |                    Owner:
                 Type:  enhancement  |                   Status:  open
             Priority:  wish         |                Component:  avcodec
              Version:  git-master   |               Resolution:
             Keywords:  j2k          |               Blocked By:
             Blocking:               |  Reproduced by developer:  1
Analyzed by developer:  0            |
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Comment (by cehoyos):

 Replying to [comment:3 Cigaes]:
 > You say it is a regression: do you know a version of the FFmpeg j2k
 decoder that produces valid output?

 Afaict, this ticket is not related to the shortcomings of our decoder:
 Before e2e9bee2 (or a slightly later commit), if you ran configure with
 {{{--enable-libopenjpeg}}}, libopenjpeg was used as default decoder for
 jpeg2000. After that commit, the experimental internal jpeg2000 decoder
 was used no matter if you specified {{{--enable-libopenjpeg}}} or not.

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Ticket URL: <https://trac.ffmpeg.org/ticket/3619#comment:4>
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