forum
https://forum.doom9.org/showthread.php?t=176091

it says those LUTs should be usable for ffmpeg's lut3d and therefore for CinGG? 


github (each *.cube can be several mb's big) 

https://github.com/FranceBB/LinearTransformation

author says they were verified on professional equipment... 

list includes PAL and NTSC variants for rec. 601....