[FFmpeg-trac] #9741(undetermined:new): eq saturation not perfect

[FFmpeg]

#9741: eq saturation not perfect
-------------------------------------+-------------------------------------
             Reporter:  Jozef        |                     Type:  defect
  Chutka                             |
               Status:  new          |                 Priority:  normal
            Component:               |                  Version:
  undetermined                       |  unspecified
             Keywords:  saturation,  |               Blocked By:
  eq                                 |
             Blocking:               |  Reproduced by developer:  0
Analyzed by developer:  0            |
-------------------------------------+-------------------------------------
 using the latest ffmpeg, it seems `eq` filter doesnt properly desaturate,
 output contains colors towards green spectrum like #0e100d

 {{{
 ffmpeg -filter_complex rgbtestsrc,eq=saturation=0 -frames:v 1 -y out-
 eq.png
 }}}

 hue filter seems to do the job properly (i.e. #050505)

 {{{
 ffmpeg -filter_complex rgbtestsrc,hue=s=0 -frames:v 1 -y out-hue.png
 }}}
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Ticket URL: <https://trac.ffmpeg.org/ticket/9741>
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