[FFmpeg-trac] #5995(undetermined:new): Blockiness and ringing in prores4444 encoded video with alpha

[FFmpeg]

#5995: Blockiness and ringing in prores4444 encoded video with alpha
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             Reporter:  stib         |                    Owner:
                 Type:  defect       |                   Status:  new
             Priority:  normal       |                Component:
              Version:  unspecified  |  undetermined
             Keywords:               |               Resolution:
  prores,alpha                       |               Blocked By:
             Blocking:               |  Reproduced by developer:  0
Analyzed by developer:  0            |
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Comment (by stib):

 Replying to [comment:1 cehoyos]:
 > Are you reporting an issue with the prores encoder or with libswscale?
 I'm not sure… The problem only occurs when encoding in prores444 codec,
 using the prores_ks encoder, and with yuva444p10le pixel format.

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Ticket URL: <https://trac.ffmpeg.org/ticket/5995#comment:3>
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