[FFmpeg-trac] #10614(ffmpeg:new): FFMpeg unable to generate VP9 Full Range videos ?

[FFmpeg]

#10614: FFMpeg unable to generate VP9 Full Range videos ?
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             Reporter:  Cedric       |                     Type:  defect
  Lalouette                          |
               Status:  new          |                 Priority:  normal
            Component:  ffmpeg       |                  Version:
             Keywords:  vp9 range    |  unspecified
  yuv                                |               Blocked By:
             Blocking:               |  Reproduced by developer:  0
Analyzed by developer:  0            |
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 Summary of the bug:
 I don't understand how to produce VP9 in full range mode (0-255).
 Regarding the WebM documentation it is possible to use the "full swing
 (0-255)" mode but unfortunately all my attemps in FFMPeg have failed. The
 "color_range=2" flag produce the exact same file than "color_range=1".

 Of course the gbrp pix_fmt is working correctly and produce a true RGB24
 file but not interesting in my case as my player can't decode true RGB.

 The yuvj420p pixel format is not supported by VP9 :(

 Is there a special trick I am missing ?

 Thank you for your help!
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Ticket URL: <https://trac.ffmpeg.org/ticket/10614>
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