[FFmpeg-trac] #5397(avfilter:new): Incorrect curves filter work

[FFmpeg]

#5397: Incorrect curves filter work
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             Reporter:  Ilya87    |                     Type:  defect
               Status:  new       |                 Priority:  normal
            Component:  avfilter  |                  Version:  git-master
             Keywords:  curves    |               Blocked By:
             Blocking:            |  Reproduced by developer:  0
Analyzed by developer:  0         |
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 Summary of the bug: curves video filter provides much darker picture than
 it should be
 How to reproduce:
 {{{
 % ffplay "curves.mkv" -vf
 curves=r='0.037516/0':g='0.040103/0':b='0.059508/0'

 Result - FFmpeg colours are much darker than in Gimp.

 ffmpeg version N-79087-gefa98cd
 built on x86_64 Arch Linux
 }}}
 Patches should be submitted to the ffmpeg-devel mailing list and not this
 bug tracker.

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Ticket URL: <https://trac.ffmpeg.org/ticket/5397>
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