[FFmpeg-devel] [PATCH] Add a gamma flag to exr loader to avoid banding

Nicolas George george at nsup.org
Tue Apr 29 16:45:54 CEST 2014

Le decadi 10 floréal, an CCXXII, Ronald S. Bultje a écrit :
> Of course it's just a powf function, that's what exponential is, right?

Actually, I suspect you are making a mistake in vocabulary.

Unless I am mistaken, exponential is for "x -> a^x", with x the parameter
and a a constant (which may be a parameter on its own right, but at another

Gamma is "x -> x^2.2", that is just a power function.


  Nicolas George
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