[FFmpeg-trac] #9491(avfilter:open): ass/subtitle filter incorectly handles colorspaces

[FFmpeg]

#9491: ass/subtitle filter incorectly handles colorspaces
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             Reporter:  alwinramirus  |                    Owner:  (none)
                 Type:  defect        |                   Status:  open
             Priority:  normal        |                Component:  avfilter
              Version:  git-master    |               Resolution:
             Keywords:  ass           |               Blocked By:
             Blocking:                |  Reproduced by developer:  0
Analyzed by developer:  0             |
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Comment (by Balling):

 BTW, there is no way to encode any 8 bit R'G'B' triplet losslessly in
 YCbCr 8 bit. YCbCr is much bigger than R'G'B', even with full YCbCr and
 full R'G'B' YCbCr is bigger. So I do not see how it should work.
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Ticket URL: <https://trac.ffmpeg.org/ticket/9491#comment:7>
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