Re: [gentoo-user] ffmpeg cpu flags

2015-10-05 Thread Alan McKinnon
On 05/10/2015 18:25, Stroller wrote: > >> On Sun, 4 October 2015, at 11:38 p.m., Alan McKinnon >> wrote: >> >>> I see that the ffmpeg ebuild requires that mmxext is set if sse is set. >>> >>> Isn't mmxext amd-only? >> >> Definitely not. Intel designed mmx > > The ffmpeg has both "mmx" and "mmxe

Re: [gentoo-user] ffmpeg cpu flags

2015-10-05 Thread Dale
Stroller wrote: >> On Sun, 4 October 2015, at 11:38 p.m., Alan McKinnon >> wrote: >> >>> I see that the ffmpeg ebuild requires that mmxext is set if sse is set. >>> >>> Isn't mmxext amd-only? >> Definitely not. Intel designed mmx > The ffmpeg has both "mmx" and "mmxext" USE flags - presumably the

Re: [gentoo-user] ffmpeg cpu flags

2015-10-05 Thread Stroller
> On Sun, 4 October 2015, at 11:38 p.m., Alan McKinnon > wrote: > >> I see that the ffmpeg ebuild requires that mmxext is set if sse is set. >> >> Isn't mmxext amd-only? > > Definitely not. Intel designed mmx The ffmpeg has both "mmx" and "mmxext" USE flags - presumably they're not the same

Re: [gentoo-user] ffmpeg cpu flags

2015-10-04 Thread Alec Ten Harmsel
On Mon, Oct 05, 2015 at 12:38:15AM +0200, Alan McKinnon wrote: > On 04/10/2015 22:49, James Cloos wrote: > > > > And is there really any value from micromanaging things like that in an > > ebuild? > > For ffmpeg? Yes. Actually, I think modern versions of ffmpeg probably do not benefit as much an

Re: [gentoo-user] ffmpeg cpu flags

2015-10-04 Thread Alan McKinnon
On 04/10/2015 22:49, James Cloos wrote: > I see that the ffmpeg ebuild requires that mmxext is set if sse is set. > > Isn't mmxext amd-only? Definitely not. Intel designed mmx > > And is there really any value from micromanaging things like that in an > ebuild? For ffmpeg? Yes. I imagine users

[gentoo-user] ffmpeg cpu flags

2015-10-04 Thread James Cloos
I see that the ffmpeg ebuild requires that mmxext is set if sse is set. Isn't mmxext amd-only? And is there really any value from micromanaging things like that in an ebuild? -JimC -- James Cloos OpenPGP: 0x997A9F17ED7DAEA6