diff options
| author | Paul B Mahol <onemda@gmail.com> | 2017-04-10 11:31:11 +0200 |
|---|---|---|
| committer | Paul B Mahol <onemda@gmail.com> | 2017-04-10 12:04:14 +0200 |
| commit | 4dc2dd80dc78f4abb19052682bfb68d64a7a96d6 (patch) | |
| tree | 8f74eb98c1937cea2ae14b4efcd3392792252f78 | |
| parent | 9cd44e64be25ac301fd0ee9330d13c0e4bef63e0 (diff) | |
avutil/float_dsp: add vector_dmac_scalar()
Signed-off-by: Paul B Mahol <onemda@gmail.com>
| -rw-r--r-- | libavutil/float_dsp.c | 9 | ||||
| -rw-r--r-- | libavutil/float_dsp.h | 16 | ||||
| -rw-r--r-- | libavutil/version.h | 2 |
3 files changed, 26 insertions, 1 deletions
diff --git a/libavutil/float_dsp.c b/libavutil/float_dsp.c index c85daffc6a..1d4911d815 100644 --- a/libavutil/float_dsp.c +++ b/libavutil/float_dsp.c @@ -40,6 +40,14 @@ static void vector_fmac_scalar_c(float *dst, const float *src, float mul, dst[i] += src[i] * mul; } +static void vector_dmac_scalar_c(double *dst, const double *src, double mul, + int len) +{ + int i; + for (i = 0; i < len; i++) + dst[i] += src[i] * mul; +} + static void vector_fmul_scalar_c(float *dst, const float *src, float mul, int len) { @@ -125,6 +133,7 @@ av_cold AVFloatDSPContext *avpriv_float_dsp_alloc(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_dmac_scalar = vector_dmac_scalar_c; fdsp->vector_dmul_scalar = vector_dmul_scalar_c; fdsp->vector_fmul_window = vector_fmul_window_c; fdsp->vector_fmul_add = vector_fmul_add_c; diff --git a/libavutil/float_dsp.h b/libavutil/float_dsp.h index d1be38f947..2c24d93471 100644 --- a/libavutil/float_dsp.h +++ b/libavutil/float_dsp.h @@ -55,6 +55,22 @@ typedef struct AVFloatDSPContext { int len); /** + * Multiply a vector of doubles by a scalar double and add to + * destination vector. Source and destination vectors must + * overlap exactly or not at all. + * + * @param dst result vector + * constraints: 32-byte aligned + * @param src input vector + * constraints: 32-byte aligned + * @param mul scalar value + * @param len length of vector + * constraints: multiple of 16 + */ + void (*vector_dmac_scalar)(double *dst, const double *src, double mul, + int len); + + /** * Multiply a vector of floats by a scalar float. Source and * destination vectors must overlap exactly or not at all. * diff --git a/libavutil/version.h b/libavutil/version.h index 95e1e929f3..f4d0930689 100644 --- a/libavutil/version.h +++ b/libavutil/version.h @@ -80,7 +80,7 @@ #define LIBAVUTIL_VERSION_MAJOR 55 #define LIBAVUTIL_VERSION_MINOR 60 -#define LIBAVUTIL_VERSION_MICRO 100 +#define LIBAVUTIL_VERSION_MICRO 101 #define LIBAVUTIL_VERSION_INT AV_VERSION_INT(LIBAVUTIL_VERSION_MAJOR, \ LIBAVUTIL_VERSION_MINOR, \ |