[FFmpeg-trac] #2847(avfilter:closed): 3D_LUT_Filter seems to work incorrect
FFmpeg
trac at avcodec.org
Mon May 12 01:22:15 CEST 2014
#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):
Alright, tried that. The RGB conversion is not the problem. The
following commands produce identical files, both of which look different
than DaVinci's:
{{{
ffmpeg -i J001C031_140110_R6MS.mov -an -vcodec v210 -vf
"lut3d=file=LogC_to_709.dat" Jv210-LUT.mov
ffmpeg -i J001C031_140110_R6MS.mov -an -vcodec v210 -vf
"format=pix_fmts=rgb48le, lut3d=file=LogC_to_709.dat,
format=pix_fmts=yuv422p10le" Jv210-rgb-yuv-LUT.mov
}}}
One other variable here is that DaVinci works in 32 bit float. Perhaps
that accounts for the difference?
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Ticket URL: <https://trac.ffmpeg.org/ticket/2847#comment:16>
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