> > I think we better to put those examples somewhere in manual before I > forgot them/lost my opts files ;) > Agreed! Andrea, if you have time to do this that would be great! if not, just let me know and I can do it.
On Fri, May 9, 2025 at 4:42 PM Andrew Randrianasulu via Cin < cin@lists.cinelerra-gg.org> wrote: > > > ср, 7 мая 2025 г., 18:38 Andrew Randrianasulu <randrianas...@gmail.com>: > >> Using this page >> >> https://www.reddit.com/r/ffmpeg/comments/17ma3mm/hdr_tone_mapping_not_working/ >> >> and our guide at >> >> https://cinelerra-gg.org/download/CinelerraGG_Manual/File_naming_convention.html >> >> >> I come up with this (working) line to put in file.opts for HDR to SDR >> bt 709 100 nits mapping: >> >> >> video_filter=zscale=t=linear:npl=100,format=gbrpf32le,zscale=p=bt709,tonemap=tonemap=hable:desat=0,zscale=t=bt709:m=bt709:r=tv,format=yuv444p >> >> But it only works with software decoding. At, like, 2.3 fps for full 4k >> frame. >> >> And also you need to compile your ffmpeg used in cingg with z.img library. >> > > > Got it working with Vulkan hw decoding, not much faster, but leaves cingg > a bit more responsive: > > > video_filter=zscale=tin=smpte2084:min=bt2020nc:pin=bt2020:rin=tv:t=smpte2084:m=bt2020nc:p=bt2020:r=tv,zscale=t=linear:npl=100,format=gbrpf32le,zscale=p=bt709,tonemap=tonemap=hable:desat=0,zscale=t=bt709:p=bt709:m=bt709 > > monster line from > > https://forum.doom9.net/showpost.php?p=1898421&postcount=56 > > I think we better to put those examples somewhere in manual before I > forgot them/lost my opts files ;) > > > > -- > Cin mailing list > Cin@lists.cinelerra-gg.org > https://lists.cinelerra-gg.org/mailman/listinfo/cin >
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