[FFmpeg-devel] [PATCH] swscale: have --enable-runtime-cpudetect actually detect cpu capabilities at runtime

Darren Horrocks killallthehumans
Sat Mar 5 11:22:48 CET 2011

i found that postproc has a similar problem, so i am going to look at
making a wider patch to cover sws and pp, and if i can figure out the
other arch's ill have a go at that too


On 5 March 2011 10:13, Luca Barbato <lu_zero at gentoo.org> wrote:
> On 03/05/2011 11:01 AM, Darren Horrocks wrote:
>> Hi,
>> used av_get_cpu_flags to get all cpu capabilities, then checked for
>> mmx2 mmx and 3dnow.
>> if the cpu supports any of these, it gets added to the flags for use later.
> I like the idea, I'd expand to the other arches as well.
> lu
> --
> Luca Barbato
> Gentoo/linux
> http://dev.gentoo.org/~lu_zero
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