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I know there are HDR to SDR methods, but is it possible to convert between different HDR formats?
Specifically, I'd like to try converting some HLG to HDR10.
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I'm not sure what some of the abbreviations are so I'm not sure which script to go with.
I want to go from HLG to HDR10 though, so there shouldn't be too much loss (maybe?).
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You can do it with the AVISynth plugin z_ConvertFormat function. Just enter HLG as input color transfer function and st2084 as output transfer function. Or vice versa. Naturally if you go from normal HDR to PQ and there's highlights above 1000 nits, they will get clipped.
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Heh, started playing with this and realize I'm out of my depth on this one. I can't get the source to play via avisynth, let alone figure out proper use of z_ConvertFormat.
Directshowsource doesn't seem to work. z_CF is confusing. Should something simple like this work:
directshowsource("Source.mkv)"
z_ConvertFormat("st2084")
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Look up the documentation, that explains how to use it:
http://avisynth.nl/index.php/Avsresize#z_ConvertFormat
You need to provide 3 values for source and target color space each.