[FFmpeg-trac] #8404(undetermined:closed): “ffmpeg -i input -c:v libx264rgb output”: ffmpeg sets the color range to “tv” instead of “pc”

FFmpeg trac at avcodec.org
Sat Feb 19 17:46:47 EET 2022


#8404: “ffmpeg -i input -c:v libx264rgb output”: ffmpeg sets the color range to
“tv” instead of “pc”
-------------------------------------+-------------------------------------
             Reporter:  Kdmeizk      |                    Owner:  (none)
                 Type:  defect       |                   Status:  closed
             Priority:  normal       |                Component:
                                     |  undetermined
              Version:  git-master   |               Resolution:  fixed
             Keywords:               |               Blocked By:
             Blocking:               |  Reproduced by developer:  0
Analyzed by developer:  0            |
-------------------------------------+-------------------------------------
Changes (by Balling):

 * status:  new => closed
 * resolution:   => fixed

Comment:

 And so what? FFmpeg does not support limited rgb, it is prohibited to use
 it. BTW, dumb. That is #

 >all compare groups yielded a SSIM of 1.

 That is again just because see above. And BTW that does not happen anymore
 when input is gdigrub, for example. Fixed by Jan here
 https://github.com/FFmpeg/FFmpeg/commit/7ca71b79f2b3256a0eef1a099b857ac9e4017e36
 and for x265 here
 https://github.com/FFmpeg/FFmpeg/commit/dbe40478e293f78c5a5e4302eb3f38257106ee86
-- 
Ticket URL: <https://trac.ffmpeg.org/ticket/8404#comment:4>
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