[FFmpeg-trac] #11107(avfilter:new): Enhancement Request: Improve VAAPI Color Type Detection for HDR Content

[FFmpeg]

#11107: Enhancement Request: Improve VAAPI Color Type Detection for HDR Content
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             Reporter:  Peyton Lee   |                    Owner:  (none)
                 Type:  enhancement  |                   Status:  new
             Priority:  normal       |                Component:  avfilter
              Version:  unspecified  |               Resolution:
             Keywords:               |               Blocked By:
             Blocking:               |  Reproduced by developer:  0
Analyzed by developer:  0            |
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Comment (by Peyton Lee):

 Replying to [comment:1 MasterQuestionable]:

 I'm not entirely sure about the composition of HDR .PNG files, but when
 playing HDR videos, the video post processor needs to recognize that the
 video is in HDR format in order to perform HDR color transformation.
 Skipping this step would result in a darker color rendition on screen
 during playback.

 > ͏    Would you help answering this question?
 > ͏    https://github.com/mpv-
 player/mpv/issues/14377#issuecomment-2185350874
 >
 > ͏    In my not very through testing, I noted 8bpc (8 bit-per-component)
 content may already make:
 > ͏    Color gradient of ~ 4 range hardly noticeable (to almost entirely
 unnoticeable).
 > ͏    And ~ 2 side-by-side is basically entirely visually
 indistinguishable.
 > ͏    .
 > ͏    So I much wonder what HDR does really?
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Ticket URL: <https://trac.ffmpeg.org/ticket/11107#comment:2>
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