[FFmpeg-trac] #2373(avfilter:new): hqdn3d produces banding

[FFmpeg]

#2373: hqdn3d produces banding
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             Reporter:  sun         |                    Owner:
                 Type:  defect      |                   Status:  new
             Priority:  normal      |                Component:  avfilter
              Version:  git-master  |               Resolution:
             Keywords:  hqdn3d      |               Blocked By:
             Blocking:              |  Reproduced by developer:  0
Analyzed by developer:  0           |
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Comment (by sun):

 I have researched a bit and found out that the hdn3d effects produces
 banding due to the way it works. So do it's frei0r and mplayer
 implementations. I guess the bug can be closed because it is not an ffmpeg
 only issue and seems to be known by users.

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Ticket URL: <https://ffmpeg.org/trac/ffmpeg/ticket/2373#comment:2>
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