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| author | Vitor Sessak <vitor1001@gmail.com> | 2010-07-06 16:58:54 +0000 |
|---|---|---|
| committer | Vitor Sessak <vitor1001@gmail.com> | 2010-07-06 16:58:54 +0000 |
| commit | 4dcc4f8eaa23dc3ff85f6b4eed58d719e50cbe92 (patch) | |
| tree | 5e72e1f3252b0a225d401749011ab953ba5f1767 /libavcodec/x86/fft.c | |
| parent | defb0009cff57d66fe952915917864cc5b3a417f (diff) | |
| download | ffmpeg-4dcc4f8eaa23dc3ff85f6b4eed58d719e50cbe92.tar.gz | |
SSE optimized 32-point DCT
Originally committed as revision 24077 to svn://svn.ffmpeg.org/ffmpeg/trunk
Diffstat (limited to 'libavcodec/x86/fft.c')
| -rw-r--r-- | libavcodec/x86/fft.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/libavcodec/x86/fft.c b/libavcodec/x86/fft.c index 2c46c6361b..6f641b6f02 100644 --- a/libavcodec/x86/fft.c +++ b/libavcodec/x86/fft.c @@ -42,3 +42,11 @@ av_cold void ff_fft_init_mmx(FFTContext *s) } #endif } + +av_cold void ff_dct_init_mmx(DCTContext *s) +{ + int has_vectors = mm_support(); + if (has_vectors & FF_MM_SSE && HAVE_SSE) + s->dct32 = ff_dct32_float_sse; +} + |