[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            |
-------------------------------------+-------------------------------------
Changes (by MasterQuestionable):

 * cc: MasterQuestionable (added)
 * keywords:  colorspace => colorspace color_primaries
 * component:  undetermined => swscale

Comment:

 ͏    "RGB cannot preserve very wide space of YCbCr, 6 times bigger than
 RGB."
 <!^>    Mathematically makes no sense:
 ͏    At the same bit-depth, where comes such difference?

 ͏    "Also, it is not wise to go to RGB"
 <!^>    While most (if not all?) displays expect RGB from hardware
 aspect..?
 ͏    So are the OS (Operation Systems).

 ͏    See also:
 ͏    https://trac.ffmpeg.org/ticket/9898#comment:24
 ͏    https://trac.ffmpeg.org/wiki/colorspace#color_primaries
-- 
Ticket URL: <https://trac.ffmpeg.org/ticket/11182#comment:10>
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