diff options
Diffstat (limited to 'libavcodec/celp_math.h')
| -rw-r--r-- | libavcodec/celp_math.h | 18 |
1 files changed, 14 insertions, 4 deletions
diff --git a/libavcodec/celp_math.h b/libavcodec/celp_math.h index 9cd9ae238d..4803245478 100644 --- a/libavcodec/celp_math.h +++ b/libavcodec/celp_math.h @@ -3,20 +3,20 @@ * * Copyright (c) 2008 Vladimir Voroshilov * - * This file is part of Libav. + * This file is part of FFmpeg. * - * Libav is free software; you can redistribute it and/or + * FFmpeg is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. * - * Libav is distributed in the hope that it will be useful, + * FFmpeg is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public - * License along with Libav; if not, write to the Free Software + * License along with FFmpeg; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ @@ -64,6 +64,16 @@ 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 + * + * @return dot product = sum of elementwise products + */ +int64_t ff_dot_product(const int16_t *a, const int16_t *b, int length); + +/** * returns the dot product. * @param a input data array * @param b input data array |