[x264-devel] x264 SSE2 optimizations cause segfaults in ffmpeg and mencoder

[Alexis Ballier]

On Thu, 10 Jan 2008 18:41:00 +0100
Tomas Carnecky <tom at dbservice.com> wrote:

> Bernhard Rosenkränzer wrote:
> > When trying to encode any video to H.264 using x264 with ffmpeg or
> > mencoder on a Pentium Dual-Core processor, ffmpeg/mencoder
> > segfaults with a backtrace ending in x264.
> 
> The backtrace would be nice to have, so somebody could fix the actual 
> problem. Preferably a backtrace with debugging symbols.

This is probably an old issue with yasm & pic.

see:
http://www.via.ecp.fr/via/ml/x264-devel/2007-06/msg00004.html

then:
http://www.tortall.net/projects/yasm/ticket/114

to sum it up:
build x264 with yasm>=0.6.2 or dont use pic.


Alexis.
-------------- next part --------------
A non-text attachment was scrubbed...
Name: signature.asc
Type: application/pgp-signature
Size: 197 bytes
Desc: not available
Url : http://mailman.videolan.org/pipermail/x264-devel/attachments/20080110/d7ddb5d5/attachment.pgp