[FFmpeg-trac] #3657(swscale:new): 32 Bit per Channel sws conversion

[FFmpeg]

#3657: 32 Bit per Channel sws conversion
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             Reporter:  sun      |                     Type:  enhancement
               Status:  new      |                 Priority:  wish
            Component:  swscale  |                  Version:  unspecified
             Keywords:           |               Blocked By:
             Blocking:           |  Reproduced by developer:  0
Analyzed by developer:  0        |
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 Hello,
 As there are more and more Cameras able to record with more than 8 bit per
 pixel and there already are programs like Shotcut and Blender which
 support high-precision internal processing, e.g. blender is unable to
 handle 10-bit videos properly, because converting a 16 bit buffer from the
 sws yuv to rgb conversion to its internal 32bit buffer would be too slow
 and therefore it has to use an 8 bit buffer.
 If ffmpeg could convert to 32bit directly, there wouldn't be the need to
 do two conversion steps, 10 ->16->32 and native high precision video
 support would be much easier to implement!

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Ticket URL: <https://trac.ffmpeg.org/ticket/3657>
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