exploit mdct symmetry
authorLoren Merritt <lorenm@u.washington.edu>
Sun, 13 Jul 2008 15:03:58 +0000 (15:03 +0000)
committerLoren Merritt <lorenm@u.washington.edu>
Sun, 13 Jul 2008 15:03:58 +0000 (15:03 +0000)
commitb9fa32082c71013e90eab9e9997967d2939cf4a6
tree83edd135988c73a75b017fbd12396e156de5e0a4
parenteb2cd99c73df74cba8ce0173f9ee2b70313adaa6
exploit mdct symmetry
2% faster vorbis on conroe, k8. 7% on celeron.

Originally committed as revision 14207 to svn://svn.ffmpeg.org/ffmpeg/trunk
libavcodec/dsputil.c
libavcodec/dsputil.h
libavcodec/fft.c
libavcodec/i386/dsputil_mmx.c
libavcodec/i386/fft_3dn2.c
libavcodec/i386/fft_sse.c
libavcodec/mdct.c
libavcodec/vorbis_dec.c