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| author | Justin Ruggles <justin.ruggles@gmail.com> | 2012-09-24 15:00:53 -0400 |
|---|---|---|
| committer | Justin Ruggles <justin.ruggles@gmail.com> | 2012-12-05 11:23:36 -0500 |
| commit | ac7eb4cb20ea84cfc911794722695d501b354ee9 (patch) | |
| tree | b9736adb1c0e993f0051b11cc249b67404e518f3 /libavutil/float_dsp.c | |
| parent | da025d115a1ada58081cd869e85b81a1c183ae9e (diff) | |
| download | ffmpeg-ac7eb4cb20ea84cfc911794722695d501b354ee9.tar.gz | |
float_dsp: add vector_dmul_scalar() to multiply a vector of doubles
Include x86-optimized versions for SSE2 and AVX.
Diffstat (limited to 'libavutil/float_dsp.c')
| -rw-r--r-- | libavutil/float_dsp.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/libavutil/float_dsp.c b/libavutil/float_dsp.c index b6b11818b5..22139defe4 100644 --- a/libavutil/float_dsp.c +++ b/libavutil/float_dsp.c @@ -44,11 +44,20 @@ static void vector_fmul_scalar_c(float *dst, const float *src, float mul, dst[i] = src[i] * mul; } +static void vector_dmul_scalar_c(double *dst, const double *src, double mul, + int len) +{ + int i; + for (i = 0; i < len; i++) + dst[i] = src[i] * mul; +} + void avpriv_float_dsp_init(AVFloatDSPContext *fdsp, int bit_exact) { fdsp->vector_fmul = vector_fmul_c; fdsp->vector_fmac_scalar = vector_fmac_scalar_c; fdsp->vector_fmul_scalar = vector_fmul_scalar_c; + fdsp->vector_dmul_scalar = vector_dmul_scalar_c; #if ARCH_ARM ff_float_dsp_init_arm(fdsp); |