On Mon, Jan 17, 2022, 10:44 AM Andrea paz via Cin < [email protected]> wrote:
> @Andrew > > > @Andrea, for some reason I can't download attaches from forum (because I > have no login there?), can you add CMS.txt as attachment to email (again)? > > I'm opening a new email because color has nothing to do with the > Vdpau/Vaapi issues. > It was just an attempt to put together all the information on how > CinGG treats color. Lately I found emails from Hermann Vosseler that > are very indicative. However, the fact remains that each plugins of > CinGG treats the color in its own way, so we should find a way to > understand how all the native plugins act, one by one (if I'm not > mistaken, the plugins of ffmpeg clip everything to 8-bit and sRGB). > Only with this information can we reconstruct a chain of steps that > accounts for color transformations and, perhaps, keep them under > control. > In my case the flut3d plugin appears to use 32 bit float and the color space should be in the LUT. I don't see color issues with it. Some other plugins result in bad banding, but I'm not sure I am using them correctly. More information about how color is used would be helpful. I'm try to determine a workflow with 10 bit f-log input and some version of 10 bit HDR output. Regards, Mark >
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