[FFmpeg-trac] #9573(avcodec:closed): libx264 ignores color range flag for gray10 input

FFmpeg trac at avcodec.org
Fri Dec 31 14:51:57 EET 2021


#9573: libx264 ignores color range flag for gray10 input
-------------------------------------+-------------------------------------
             Reporter:  Diederick    |                    Owner:  (none)
  Niehorster                         |
                 Type:  defect       |                   Status:  closed
             Priority:  normal       |                Component:  avcodec
              Version:  git-master   |               Resolution:  invalid
             Keywords:  libx264      |               Blocked By:
  gray10                             |
             Blocking:               |  Reproduced by developer:  0
Analyzed by developer:  0            |
-------------------------------------+-------------------------------------
Comment (by Diederick Niehorster):

 Replying to [comment:18 Balling]:
 >
 > >what it is with scale=in_range=pc
 >
 > No, the bug is that SDL2 used in ffplay cannot play YCbCr in 4:4:4
 variant in full range. It does respect full range and sees it in mkv
 metadata and does correctly convert and set output metadata. Unfortunately
 for you, ffplay does not play the result correctly.

 I see the exact same thing when using ffmpeg with a full range mp4, or
 when using the API directly, so its not an ffplay problem (though there
 may be other problems there, don't know about that).
-- 
Ticket URL: <https://trac.ffmpeg.org/ticket/9573#comment:19>
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