[FFmpeg-trac] #8971(avfilter:closed): Contrast Adaptive Sharpening (CAS) is broken

[FFmpeg]

#8971: Contrast Adaptive Sharpening (CAS) is broken
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             Reporter:  lextra2      |                    Owner:
                 Type:  defect       |                   Status:  closed
             Priority:  normal       |                Component:  avfilter
              Version:  unspecified  |               Resolution:  invalid
             Keywords:  CAS          |               Blocked By:
             Blocking:               |  Reproduced by developer:  0
Analyzed by developer:  0            |
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Comment (by lextra2):

 Replying to [comment:3 richardpl]:
 > You are not supposed to ever use exact 1. value.

 Well, then maybe it should be limited to 0.8? And I don't really get why
 the default strength is "0", effectively doing nothing.

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Ticket URL: <https://trac.ffmpeg.org/ticket/8971#comment:4>
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