[FFmpeg-trac] #8509(swscale:open): Converting 8 bit ARGB to Prores 4444 using prores_ks produces alpha channel that is not 100% opaque

FFmpeg trac at avcodec.org
Mon Feb 24 20:34:26 EET 2020


#8509: Converting 8 bit ARGB to Prores 4444 using prores_ks produces alpha channel
that is not 100% opaque
------------------------------------+-----------------------------------
             Reporter:  bford       |                    Owner:
                 Type:  defect      |                   Status:  open
             Priority:  normal      |                Component:  swscale
              Version:  git-master  |               Resolution:
             Keywords:  prores      |               Blocked By:
             Blocking:              |  Reproduced by developer:  0
Analyzed by developer:  0           |
------------------------------------+-----------------------------------

Comment (by bford):

 Could the patch be applied without the change to palToA_c() so that this
 specific bug can be resolved?  The change to palToA_c() is not required to
 fix this bug report.

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Ticket URL: <https://trac.ffmpeg.org/ticket/8509#comment:12>
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