Patch by Mathieu Velten (matmaul A gmail) Originally committed as revision 16419 to svn://svn.ffmpeg.org/ffmpeg/trunk
Originally committed as revision 16409 to svn://svn.ffmpeg.org/ffmpeg/trunk
It contains optimizations that are not specific to i386 and libavutil uses this naming scheme already. Originally committed as revision 16270 to svn://svn.ffmpeg.org/ffmpeg/trunk