[x264-devel] cpu capabilities: none

Carlos Eduardo Moreira dos Santos cems at cemshost.com.br
Thu Dec 2 20:33:50 CET 2010


Thank you. I compiled it myself and cpu is correctly detected. However, the
output is trash, like a TV in a non-working channel and I can't figure out
why. Besides that, it could not detect fps and resolution anymore, but I
solved this last problem by renaming the file to *_widthxheigth.mpg and
adding --fps option.

Thank you

On Thu, Dec 2, 2010 at 5:12 PM, Lou <lou at fakeoutdoorsman.com> wrote:

> 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
> _______________________________________________
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> x264-devel at videolan.org
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>
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