PPC: Altivec split-radix FFT
authorMåns Rullgård <mans@mansr.com>
Thu, 1 Jul 2010 23:21:39 +0000 (23:21 +0000)
committerMåns Rullgård <mans@mansr.com>
Thu, 1 Jul 2010 23:21:39 +0000 (23:21 +0000)
commitbf7ba153729e2ea645cd6cc1150514137037923c
tree5d3feab4068e937b46164124edb1168a8a657ba1
parent135448fa1ac2622250b595c5135ddc573fcbd7b5
PPC: Altivec split-radix FFT

1.8x faster than altivec radix-2 on a G4
8% faster vorbis decoding

Patch (mostly) by Loren Merritt

Originally committed as revision 23956 to svn://svn.ffmpeg.org/ffmpeg/trunk
libavcodec/ppc/Makefile
libavcodec/ppc/fft_altivec.c
libavcodec/ppc/fft_altivec_s.S [new file with mode: 0644]
libavcodec/ppc/types_altivec.h