[FFmpeg-trac] #9576(avfilter:open): scale ignores AVFrame's input range

FFmpeg trac at avcodec.org
Sat Mar 5 09:48:18 EET 2022


#9576: scale ignores AVFrame's input range
-------------------------------------+-------------------------------------
             Reporter:  Diederick    |                    Owner:  (none)
  Niehorster                         |
                 Type:  defect       |                   Status:  open
             Priority:  normal       |                Component:  avfilter
              Version:  git-master   |               Resolution:
             Keywords:  scale        |               Blocked By:
  color_range                        |
             Blocking:               |  Reproduced by developer:  0
Analyzed by developer:  0            |
-------------------------------------+-------------------------------------
Comment (by Balling):

 Other samples affected in the same way as this and BTW what a joke, they
 need ffplay -vf scale=in_color_matrix=auto,format=gbrp


 https://samples.ffmpeg.org/ffmpeg-bugs/trac/ticket524/AVCI50.mov

 https://samples.ffmpeg.org/ffmpeg-bugs/trac/ticket524/AVCI100.mov


 They both have Y component of 249 (first file) and 243 (second), so it may
 as well be full range.  First file has some black at 13, BTW, too.

 I cannot say 100% whether it is really full and not limited range.
-- 
Ticket URL: <https://trac.ffmpeg.org/ticket/9576#comment:4>
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