Archives
Archives
| From: | Stroller <stroller@××××××××××××××××××.uk> | ||
|---|---|---|---|
| To: | gentoo-user@l.g.o | ||
| Subject: | Re: [gentoo-user] ffmpeg cpu flags | ||
| Date: | Mon, 05 Oct 2015 16:26:23 | ||
| Message-Id: | BB0AE98E-5E21-45B5-BA64-48C7C8A0C8A6@stellar.eclipse.co.uk | ||
| In Reply to: | Re: [gentoo-user] ffmpeg cpu flags by Alan McKinnon |
||
| 1 | > On Sun, 4 October 2015, at 11:38 p.m., Alan McKinnon <alan.mckinnon@×××××.com> wrote: |
| 2 | > |
| 3 | >> I see that the ffmpeg ebuild requires that mmxext is set if sse is set. |
| 4 | >> |
| 5 | >> Isn't mmxext amd-only? |
| 6 | > |
| 7 | > Definitely not. Intel designed mmx |
| 8 | |
| 9 | The ffmpeg has both "mmx" and "mmxext" USE flags - presumably they're not the same thing. |
| 10 | |
| 11 | CPU_FLAGS_X86="3dnow 3dnowext avx avx2 fma3 fma4 mmx mmxext sse sse2 sse3 sse4_1 sse4_2 ssse3 xop" |
| 12 | |
| 13 | My AMD Neon supports both. |
| 14 | |
| 15 | Stroller. |
| Subject | Author |
|---|---|
| Re: [gentoo-user] ffmpeg cpu flags | Dale <rdalek1967@×××××.com> |
| Re: [gentoo-user] ffmpeg cpu flags | Alan McKinnon <alan.mckinnon@×××××.com> |