[FFmpeg-trac] #11500(swscale:new): "ictcp" colorspace "Function not implemented" unnecessarily failed things

[FFmpeg]

#11500: "ictcp" colorspace "Function not implemented" unnecessarily failed things
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             Reporter:  ffmpegScale  |                    Owner:  (none)
                 Type:  defect       |                   Status:  new
             Priority:  normal       |                Component:  swscale
              Version:  git-master   |               Resolution:
             Keywords:  ictcp        |               Blocked By:
  color_primaries                    |
             Blocking:               |  Reproduced by developer:  0
Analyzed by developer:  1            |
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Comment (by Balling):

 About ictcp/bt709/bt709...

 Technically ITU tested ICtCp only with PQ, primaries BT.2020. So I
 disagree you can do that.

 Though even with SDR the CL, CI are imporoved. (Constant luminance,
 constant itensity.)
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Ticket URL: <https://trac.ffmpeg.org/ticket/11500#comment:15>
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