[Ffmpeg-devel] h.264 encoding with PPC build of x264 works on Intel Mac - Intel build fails

Måns Rullgård mru
Tue Mar 28 22:46:45 CEST 2006

Laine Lee <llee at lonestar.utsa.edu> writes:

> I compiled ffmpeg (latest CVS) and x264 (Saturday's tarball 3-25) both for
> PPC and Intel (not universal yet, still separate executables). I used the
> same configuration for each on both platforms except I added
> --enable-memalign-hack and --disable-mmx for the ffmpeg build on Intel.

Why did you use those options?

> When I compile and run the following command on Intel, I get "illegal
> instruction".

Stack trace etc?  http://ffmpeg.sourceforge.net/bugreports.php

> The PPC version compiled the same way works fine. I can
> substitute the PPC compiled version of x264, and that works, too, so it
> seems to be Intel compiling of x264 that fails. I didn't disable mmx on x264
> Intel build. is that my problem? I don't know how to add that configuration
> option. Can you tell me?
> Any chance the cvs for ffmpeg will soon be able to be compiled without
> having to add --disable-mmx?

Does mmx not work on macintels?

M?ns Rullg?rd
mru at inprovide.com

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