[FFmpeg-trac] #9673(undetermined:closed): ffmpeg not reading color information from JPEG ICC profile

[FFmpeg]

#9673: ffmpeg not reading color information from JPEG ICC profile
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             Reporter:  Cosmin       |                    Owner:  haasn
  Stejerean                          |
                 Type:  defect       |                   Status:  closed
             Priority:  normal       |                Component:
                                     |  undetermined
              Version:  unspecified  |               Resolution:  fixed
             Keywords:               |               Blocked By:
             Blocking:               |  Reproduced by developer:  0
Analyzed by developer:  0            |
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Comment (by haasn):

 Sorry for the delay in getting to this.

 Looking at it again, I'm not entirely sure what needs to be changed,
 though. We read the profile white point by creating an unadapted observer
 transformation from the profile to XYZ space and passing (1,1,1) through
 this transformation.

 This is what was recommended upstream by the Little-CMS developer (see
 https://github.com/mm2/Little-CMS/issues/316)

 We could use an adapted observer instead, but I think this would break
 other profiles (e.g. standard sRGB profile), though I'll re-test it to be
 sure.
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Ticket URL: <https://trac.ffmpeg.org/ticket/9673#comment:14>
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