[FFmpeg-trac] #3785(swscale:closed): SWSCALE: in_range, in_color_matrix, out_range, out_color_matrix incorrect

[FFmpeg]

#3785: SWSCALE: in_range, in_color_matrix, out_range, out_color_matrix incorrect
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             Reporter:  troy_s      |                    Owner:  (none)
                 Type:  defect      |                   Status:  closed
             Priority:  normal      |                Component:  swscale
              Version:  git-master  |               Resolution:  invalid
             Keywords:  range       |               Blocked By:
             Blocking:              |  Reproduced by developer:  0
Analyzed by developer:  0           |
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Comment (by Balling):

 >The following, despite being 601 coefficients, should yield perfect 1:1
 with RGB values (RGB being a relative color space) but quantization issues
 again result.

 No, it should not. FFplay does not really support some BT.601 stuff,
 because it uses SDL library. If you want correct output use mpv. See #8862
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Ticket URL: <https://trac.ffmpeg.org/ticket/3785#comment:28>
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