[FFmpeg-trac] #2847(avfilter:closed): 3D_LUT_Filter seems to work incorrect

[FFmpeg]

#2847: 3D_LUT_Filter seems to work incorrect
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             Reporter:  rainer fritz  |                    Owner:
                 Type:  defect        |                   Status:  closed
             Priority:  normal        |                Component:  avfilter
              Version:  git-master    |               Resolution:  fixed
             Keywords:  lut3d         |               Blocked By:
             Blocking:                |  Reproduced by developer:  1
Analyzed by developer:  0             |
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Comment (by spookybathtub):

 When testing an identity cube LUT today, I got nearly perfect results.
 I forgot about the `interp` option, that's probably a factor too.  If I'm
 not mistaken, the lut3d filter works in rgb48, which is 16 bits/channel.
 DaVinci works in 32 bits/channel, isn't that a difference?

 Anyway, I've decided it's close enough I'm not going to worry about it.

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Ticket URL: <https://trac.ffmpeg.org/ticket/2847#comment:18>
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