[FFmpeg-trac] #9573(avcodec:new): libx264 ignores color range flag for gray10 input
FFmpeg
trac at avcodec.org
Wed Dec 29 18:19:12 EET 2021
#9573: libx264 ignores color range flag for gray10 input
-------------------------------------+-------------------------------------
Reporter: Diederick | Owner: (none)
Niehorster |
Type: defect | Status: new
Priority: normal | Component: avcodec
Version: git-master | Resolution:
Keywords: libx264 | Blocked By:
gray10 |
Blocking: | Reproduced by developer: 0
Analyzed by developer: 0 |
-------------------------------------+-------------------------------------
Comment (by pdr0):
extractplanes=y is probably more "elegant" than scale with format
conversion . The 10bit Y plane is equivalent to the gray10 (just
discarding CbCr planes)
{{{
ffmpeg -i test3.mp4 -i test.mkv -lavfi
"[0:v]extractplanes=y,settb=1/AVTB,setpts=PTS-
STARTPTS[main];[1:v]settb=1/AVTB,setpts=PTS-STARTPTS[ref];[main][ref]psnr"
-f null -
}}}
PSNR y:inf average:inf min:inf max:inf
{{{
ffplay -vf extractplanes=y -i test3.mp4
}}}
--
Ticket URL: <https://trac.ffmpeg.org/ticket/9573#comment:8>
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