[FFmpeg-trac] #3785(swscale:closed): SWSCALE: in_range, in_color_matrix, out_range, out_color_matrix incorrect
FFmpeg
trac at avcodec.org
Sat Apr 24 06:44:22 EEST 2021
#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):
>BT.709 and sRGB share identical luminance coefficients
But then again, for sRGB BT.601 matrix is used, see the part of article I
wrote: https://en.wikipedia.org/wiki/SRGB#sYCC_extended-
gamut_transformation It is suboptimal of course, but... All BT.601 content
is wrong anyway! BT.601 was derived from System M primaries with Ill. C!
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Ticket URL: <https://trac.ffmpeg.org/ticket/3785#comment:27>
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