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

Michael Niedermayer michaelni at gmx.at
Sun May 4 16:57:00 CEST 2014

On Sun, May 04, 2014 at 11:20:00AM -0300, Gonzalo Garramuno wrote:
> On 03/05/14 23:45, Michael Niedermayer wrote:
> >alternatively you could use integers instead of floats, to generate
> >the table
> >see tests/tiny_psnr.c for fixed point log and exp for example
> >
> >[...]
> I'll follow this advice.  I notice tiny_psnr.c has an exp function
> but it is commented out.   Does it work fine?

also see ff_exp2() / ff_log2_q15() / wp_exp2 / wp_log2

Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB

Many things microsoft did are stupid, but not doing something just because
microsoft did it is even more stupid. If everything ms did were stupid they
would be bankrupt already.
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