[x264-devel] cpu capabilities: none

[Lou]

On Thu, 2 Dec 2010 11:28:59 +0100
James Darnley <james.darnley at gmail.com> wrote:

> On 02/12/2010, Carlos Eduardo Moreira dos Santos
> <cems at cemshost.com.br> wrote:
> > x264 [info]: using cpu capabilities: none!
> >
> > Is this the expected behavior? My yasm version is much newer than
> > others I've read to cause troubles in cpu detections. I've tried to
> > force capabilities with --asm, but I did not find numbers for MMX
> > and SSE.
> 
> Stop using --disable-asm when compiling.

This appears to be x264 from the repository. Looks like he already
filed a bug report:

[Bug 684198] [NEW] CPU extensions are not detected
https://bugs.launchpad.net/ubuntu/+source/x264/+bug/684198

To the OP: if you don't want to wait for an Ubuntu fix you can compile
x264 yourself:

HOWTO: Install and use the latest FFmpeg and x264
http://ubuntuforums.org/showthread.php?t=786095