[FFmpeg-devel] [PATCH] swscale alpha channel support

Måns Rullgård mans
Tue Mar 10 19:06:09 CET 2009

Carl Eugen Hoyos <cehoyos at ag.or.at> writes:

> M?ns Rullg?rd <mans <at> mansr.com> writes:
>> > +  echo "  --enable-swscale-alpha  enable alpha channel support in swscale"
> What is bad about alpha channel support in swscale?
> (Why would somebody want it disabled?)

Apparently it slows down the non-alpha paths ever so slightly.

M?ns Rullg?rd
mans at mansr.com

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