remove tmp buffer.
skip fft reinterleave pass, leaving data in a format more convenient for simd.
merge post-rotate with post-reorder.
Originally committed as revision 14700 to svn://svn.ffmpeg.org/ffmpeg/trunk
c is 1.9x faster than previous c (on various x86 cpus), sse is 1.6x faster than previous sse.
Originally committed as revision 14698 to svn://svn.ffmpeg.org/ffmpeg/trunk
Intel / OSX 10.4.9
patch by Graham Booker % gbooker A cod3r P com %
Original thread:
Date: May 25, 2007 11:51 PM
Subject: [FFmpeg-devel] r9017 breaks WMA decoding on Intel Macs
The patch:
Date: Jun 3, 2007 4:37 PM
Subject: Re: [FFmpeg-devel] r9017 breaks WMA decoding on Intel Macs
Originally committed as revision 9260 to svn://svn.ffmpeg.org/ffmpeg/trunk
include paths in the source files.
mostly from a patch by Ronald S. Bultje, rbultje ronald.bitfreak net
Originally committed as revision 9034 to svn://svn.ffmpeg.org/ffmpeg/trunk
unrolls some loops, utilizing all 8 xmm registers. fft-test
shows ~10% speed up in (I)FFT and ~8% speed up in (I)MDCT on Dothan
Originally committed as revision 9017 to svn://svn.ffmpeg.org/ffmpeg/trunk
Patch by Zuxy Meng < zuxy POIS meng AH gmail POIS com > OKed by Michael
Original thread:
Date: Mar 5, 2006 8:15 PM
Subject: [Ffmpeg-devel] [PATCH] Little optimization to fft_sse.c
Originally committed as revision 5112 to svn://svn.ffmpeg.org/ffmpeg/trunk
Loren Merritt
Diego Biurrun
Ramiro Polla
Graham Booker
Ronald S. Bultje
Zuxy Meng
Gildas Bazin
Fabrice Bellard