[FFmpeg-trac] #4614(swscale:open): YUV 10bpc (10-bit per component) -> 8bpc, user controlled dithering

FFmpeg trac at avcodec.org
Wed Apr 17 11:49:53 EEST 2019


#4614: YUV 10bpc (10-bit per component) -> 8bpc, user controlled dithering
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             Reporter:  surfdog2020  |                    Owner:
                 Type:  enhancement  |                   Status:  open
             Priority:  wish         |                Component:  swscale
              Version:  git-master   |               Resolution:
             Keywords:  dithering    |               Blocked By:
             Blocking:               |  Reproduced by developer:  0
Analyzed by developer:  0            |
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Comment (by gdgsdg123):

 Build from:
 https://zeranoe.com/builds/win64/static/win64/static/ffmpeg-20190416-036b4b0-win64-static.zip
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 It's still the case in recent version.
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 What if one preferred no dither? (for the sake of compressibility... or
 just because banding/discoloration is preferred over noise)
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 Suggested workaround (for no dither):
 YUV 10bpc -> RGB24 -> YUV 8bpc

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Ticket URL: <https://trac.ffmpeg.org/ticket/4614#comment:12>
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