[FFmpeg-trac] #8966(undetermined:new): Preserve Dolby Vision metadata in mxf

[FFmpeg]

#8966: Preserve Dolby Vision metadata in mxf
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             Reporter:               |                    Owner:
  spookybathtub                      |
                 Type:  enhancement  |                   Status:  new
             Priority:  wish         |                Component:
                                     |  undetermined
              Version:  git-master   |               Resolution:
             Keywords:  mxf j2k      |               Blocked By:
             Blocking:               |  Reproduced by developer:  0
Analyzed by developer:  0            |
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Comment (by Tjoppen):

 I took a quick look at both files using mxfdump. Some dark metadata indeed
 gets lost after remuxing. The original file also uses a
 !CDCIEssenceDescriptor with a !JPEG2000PictureSubDescriptor, while the
 output of ffmpeg has no !JPEG2000PictureSubDescriptor. The errors about
 zero BER length also seem relevant.

 Getting the output of mxfenc.c to be in line with what metafier expects is
 likely to take a bit of effort, since these analyzers tend to be picky. It
 is certainly doable however, I've done similar things in the past. Would
 you be willing to finance such an effort?

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Ticket URL: <https://trac.ffmpeg.org/ticket/8966#comment:3>
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