diff options
Diffstat (limited to 'libavcodec/celp_math.h')
-rw-r--r-- | libavcodec/celp_math.h | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/libavcodec/celp_math.h b/libavcodec/celp_math.h index 4cf656fb7e..476e668795 100644 --- a/libavcodec/celp_math.h +++ b/libavcodec/celp_math.h @@ -64,6 +64,17 @@ static inline int bidir_sal(int value, int offset) } /** + * returns the dot product of 2 int16_t vectors. + * @param a input data array + * @param b input data array + * @param length number of elements + * @param shift the result is scaled by 2^shift + * + * @return dot product = sum of elementwise products + */ +int ff_dot_product(const int16_t *a, const int16_t *b, int length, int shift); + +/** * returns the dot product. * @param a input data array * @param b input data array |