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

Michael Niedermayer michaelni
Tue Mar 10 19:51:23 CET 2009


On Tue, Mar 10, 2009 at 06:06:09PM +0000, M?ns Rullg?rd wrote:
> 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.

also it adds more code ...
IMHO it would be best if all pixfmts could be disabled individually

[...]

-- 
Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB

Many that live deserve death. And some that die deserve life. Can you give
it to them? Then do not be too eager to deal out death in judgement. For
even the very wise cannot see all ends. -- Gandalf
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