[FFmpeg-trac] #9672(undetermined:open): ffmpeg not writing ICC profiles in images

FFmpeg trac at avcodec.org
Mon Apr 11 18:35:25 EEST 2022


#9672: ffmpeg not writing ICC profiles in images
-------------------------------------+-------------------------------------
             Reporter:  Cosmin       |                    Owner:  haasn
  Stejerean                          |
                 Type:  defect       |                   Status:  open
             Priority:  normal       |                Component:
                                     |  undetermined
              Version:  unspecified  |               Resolution:
             Keywords:               |               Blocked By:
             Blocking:               |  Reproduced by developer:  0
Analyzed by developer:  0            |
-------------------------------------+-------------------------------------
Comment (by haasn):

 As of e254af31549ce6b4964936b3fe2124c3a18e69f8, FFmpeg will now *write*
 ICC profiles to both PNG and JPG. As such, if you open a image with an
 embedded ICC profile for transcoding, the ICC profile will be preserved.

 That doesn't technically cover the entirety of this issue, which as
 written also requires generating ICC profiles from scratch. But it does
 mean that the combination of #9672+#9673 works as intended, as long as you
 ignore that the ICC profile is only present in the form of side data
 (rather than colorspace tags).

 I will also submit a separate patch for ICC profile generation and reading
 down the line, but for the time being, does this solve your use case?
-- 
Ticket URL: <https://trac.ffmpeg.org/ticket/9672#comment:4>
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