From ac7eb4cb20ea84cfc911794722695d501b354ee9 Mon Sep 17 00:00:00 2001 From: Justin Ruggles Date: Mon, 24 Sep 2012 15:00:53 -0400 Subject: float_dsp: add vector_dmul_scalar() to multiply a vector of doubles Include x86-optimized versions for SSE2 and AVX. --- libavutil/x86/float_dsp_init.c | 9 +++++++++ 1 file changed, 9 insertions(+) (limited to 'libavutil/x86/float_dsp_init.c') diff --git a/libavutil/x86/float_dsp_init.c b/libavutil/x86/float_dsp_init.c index d14ec6a..b3b7ff4 100644 --- a/libavutil/x86/float_dsp_init.c +++ b/libavutil/x86/float_dsp_init.c @@ -35,6 +35,11 @@ extern void ff_vector_fmac_scalar_avx(float *dst, const float *src, float mul, extern void ff_vector_fmul_scalar_sse(float *dst, const float *src, float mul, int len); +extern void ff_vector_dmul_scalar_sse2(double *dst, const double *src, + double mul, int len); +extern void ff_vector_dmul_scalar_avx(double *dst, const double *src, + double mul, int len); + void ff_float_dsp_init_x86(AVFloatDSPContext *fdsp) { int mm_flags = av_get_cpu_flags(); @@ -44,8 +49,12 @@ void ff_float_dsp_init_x86(AVFloatDSPContext *fdsp) fdsp->vector_fmac_scalar = ff_vector_fmac_scalar_sse; fdsp->vector_fmul_scalar = ff_vector_fmul_scalar_sse; } + if (EXTERNAL_SSE2(mm_flags)) { + fdsp->vector_dmul_scalar = ff_vector_dmul_scalar_sse2; + } if (EXTERNAL_AVX(mm_flags)) { fdsp->vector_fmul = ff_vector_fmul_avx; fdsp->vector_fmac_scalar = ff_vector_fmac_scalar_avx; + fdsp->vector_dmul_scalar = ff_vector_dmul_scalar_avx; } } -- cgit v1.1