[FFmpeg-trac] #8954(avfilter:new): Normalize filter overexposes video

[FFmpeg]

#8954: Normalize filter overexposes video
-------------------------------------+-------------------------------------
             Reporter:               |                     Type:  defect
  balintlaczko                       |
               Status:  new          |                 Priority:  important
            Component:  avfilter     |                  Version:  git-
                                     |  master
             Keywords:  normalize    |               Blocked By:
             Blocking:               |  Reproduced by developer:  0
Analyzed by developer:  0            |
-------------------------------------+-------------------------------------
 Summary of the bug:
 In the recent versions the normalize video filter broke. Previously it
 stretched the contrast, now it blows up the color space towards white.
 Comparison with v4.2.2 can be found here: https://github.com/fourMs/MGT-
 python/issues/145#issuecomment-713516121
 How to reproduce:
 {{{
 % ffmpeg -i input normalize output
 ffmpeg version 4.3.1
 built on Windows 10
 }}}
 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/8954>
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