From bbbb6d6fc3a1f8feeb5dc2f42a830203fce45afb Mon Sep 17 00:00:00 2001 From: Fabrice Bellard Date: Tue, 7 Jan 2003 17:45:24 +0000 Subject: enabled SSE fft on x86 Originally committed as revision 1413 to svn://svn.ffmpeg.org/ffmpeg/trunk --- libavcodec/fft.c | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-) diff --git a/libavcodec/fft.c b/libavcodec/fft.c index 0f5181a..cdb8d4d 100644 --- a/libavcodec/fft.c +++ b/libavcodec/fft.c @@ -51,11 +51,11 @@ int fft_init(FFTContext *s, int nbits, int inverse) s->exptab1 = NULL; /* compute constant table for HAVE_SSE version */ -#if defined(HAVE_MMX) && 0 - if (mm_flags & MM_SSE) { +#if defined(HAVE_MMX) && defined(HAVE_BUILTIN_VECTOR) + if (mm_support() & MM_SSE) { int np, nblocks, np2, l; FFTComplex *q; - + np = 1 << nbits; nblocks = np >> 3; np2 = np >> 1; @@ -78,6 +78,7 @@ int fft_init(FFTContext *s, int nbits, int inverse) nblocks = nblocks >> 1; } while (nblocks != 0); av_freep(&s->exptab); + s->fft_calc = fft_calc_sse; } #endif -- cgit v1.1