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| author | Benjamin Larsson <banan@ludd.ltu.se> | 2006-07-02 02:05:35 +0000 |
|---|---|---|
| committer | Benjamin Larsson <banan@ludd.ltu.se> | 2006-07-02 02:05:35 +0000 |
| commit | 7943355485cf889c14f9c4151f917ae2be01ee73 (patch) | |
| tree | 5ad315e137f2d4042709026238e67bf1ceda307d /libavcodec/fft.c | |
| parent | 76f2a12fe7da507c1d089816659ed99f20319ed0 (diff) | |
| download | ffmpeg-7943355485cf889c14f9c4151f917ae2be01ee73.tar.gz | |
ff_fft_init now double checks that the system has mm3dnow.h before
checking if the cpu can do 3dnow at all. This bug caused amd cpu's
without sse to not have a working fft function. Ie no wma, cook or
vorbis decoder.
Originally committed as revision 5570 to svn://svn.ffmpeg.org/ffmpeg/trunk
Diffstat (limited to 'libavcodec/fft.c')
| -rw-r--r-- | libavcodec/fft.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/libavcodec/fft.c b/libavcodec/fft.c index 1306abd69b..1c63f6889f 100644 --- a/libavcodec/fft.c +++ b/libavcodec/fft.c @@ -62,7 +62,11 @@ int ff_fft_init(FFTContext *s, int nbits, int inverse) int has_vectors = 0; #if defined(HAVE_MMX) +#ifdef HAVE_MM3DNOW has_vectors = mm_support() & (MM_3DNOW | MM_3DNOWEXT | MM_SSE | MM_SSE2); +#else + has_vectors = mm_support() & (MM_SSE | MM_SSE2); +#endif #endif #if defined(HAVE_ALTIVEC) && !defined(ALTIVEC_USE_REFERENCE_C_CODE) has_vectors = mm_support() & MM_ALTIVEC; |