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Retrieving raw YCoCg value? #489

Open saschanaz opened 6 years ago

saschanaz commented 6 years ago

I'd like to get raw YCoCg without RGB conversion for a file format converter, can I do it?

jonsneyers commented 6 years ago

You could implement somethingl like that, but why? It's a lossless conversion, so not like YCbCr. And the way it is implemented in FLIF, you need 9 bit Co/Cg if the input RGB is 8 bit, so that's not very practical...