[FFmpeg-trac] #11182(swscale:closed): yuvtestsrc and yuv444p->rgba->yuv444p conversion result in huge difference

[FFmpeg]

#11182: yuvtestsrc and yuv444p->rgba->yuv444p conversion result in huge difference
-------------------------------------+-------------------------------------
             Reporter:  Andrew-R     |                    Owner:  (none)
                 Type:  defect       |                   Status:  closed
             Priority:  normal       |                Component:  swscale
              Version:  unspecified  |               Resolution:  invalid
             Keywords:  colorspace   |               Blocked By:
  color_primaries                    |
             Blocking:               |  Reproduced by developer:  0
Analyzed by developer:  0            |
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Comment (by Andrew-R):

 Replying to [comment:44 Balling]:
 > "note that input file clearly says range PC in both cases"
 >
 > What? You forced it to be PC, also known as full range.

 without any of those parameters yuvtestsrc gives full-range output, as far
 as I can see? Can you double-check on your end with YUView?


 >
 > Just use zscale, I am begging you.

 I'm not programmer enough for making api changes in our program, so I am a
 bit stuck with libswscale ..?
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Ticket URL: <https://trac.ffmpeg.org/ticket/11182#comment:45>
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