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| author | Fabrice Bellard <fabrice@bellard.org> | 2003-01-07 17:45:24 +0000 |
|---|---|---|
| committer | Fabrice Bellard <fabrice@bellard.org> | 2003-01-07 17:45:24 +0000 |
| commit | bbbb6d6fc3a1f8feeb5dc2f42a830203fce45afb (patch) | |
| tree | d758cd98135487e05c99ea6c671d160c9d7f29ec /libavcodec/fft.c | |
| parent | d9823692f58a0fc757fb4209b309659ebdd0fd2f (diff) | |
| download | ffmpeg-bbbb6d6fc3a1f8feeb5dc2f42a830203fce45afb.tar.gz | |
enabled SSE fft on x86
Originally committed as revision 1413 to svn://svn.ffmpeg.org/ffmpeg/trunk
Diffstat (limited to 'libavcodec/fft.c')
| -rw-r--r-- | libavcodec/fft.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/libavcodec/fft.c b/libavcodec/fft.c index 0f5181ac3c..cdb8d4da9e 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 |