[FFmpeg-trac] #1749(avutil:new): Add a yuva444 pixel format with >= 10 bit

[FFmpeg]

#1749: Add a yuva444 pixel format with >= 10 bit
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               Reporter:  cehoyos      |                  Owner:
                   Type:  enhancement  |                 Status:  new
               Priority:  wish         |              Component:  avutil
                Version:  git-master   |               Keywords:  alpha
             Blocked By:               |               Blocking:  1728
Reproduced by developer:  0            |  Analyzed by developer:  0
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 To be able to handle the possible alpha channel in prores files (both on
 decoding and encoding), a 10 (or 16) bit yuva444 pixel format is
 necessary, see ticket #1728.

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Ticket URL: <https://ffmpeg.org/trac/ffmpeg/ticket/1749>
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