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

[FFmpeg]

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

 Now reading:

 https://web.archive.org/web/20180423091842/http://www.equasys.de/colorconversion.html

 https://stackoverflow.com/questions/17892346/how-to-convert-rgb-yuv-rgb-
 both-ways
 From last link it seems that RGB (8bit per channel) color space is bigger
 than YUV (8 bit per channel, limited range), so if yuvtestsrc makes all
 values in yuv (full range?) space anyway, there should be no loss from
 doing yuv -> rgba -> yuv ?
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Ticket URL: <https://trac.ffmpeg.org/ticket/11182#comment:6>
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