X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=libavcodec%2Fcelp_math.h;h=4a502ca04b7ab3b0e7853fd0e86f79b28ae63ca8;hb=d9837434a91dbb3632df335414aad538e5b0a6e9;hp=96f4158a4e93c6e9c0ac2e9f3ce6bfc53aeaa5be;hpb=9686df2be543b740ec71e6ef633f312b8592813f;p=ffmpeg diff --git a/libavcodec/celp_math.h b/libavcodec/celp_math.h index 96f4158a4e9..4a502ca04b7 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 FFmpeg. + * This file is part of Libav. * - * FFmpeg is free software; you can redistribute it and/or + * Libav 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. * - * FFmpeg is distributed in the hope that it will be useful, + * Libav 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 FFmpeg; if not, write to the Free Software + * License along with Libav; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ @@ -43,33 +43,13 @@ int16_t ff_cos(uint16_t arg); int ff_exp2(uint16_t power); /** - * Calculates log2(x). + * Calculate log2(x). * @param value function argument, 0 < value <= 7fff ffff * * @return value of (1<<15) * log2(value) */ int ff_log2(uint32_t value); -/** - * returns the dot product. - * @param a input data array - * @param b input data array - * @param length number of elements - * @param shift right shift by this value will be done after multiplication - * - * @return dot product = sum of elementwise products - */ -static int dot_product(const int16_t* a, const int16_t* b, int length, int shift) -{ - int sum = 0; - int i; - - for(i=0; i> shift; - - return sum; -} - /** * Shift value left or right depending on sign of offset parameter. * @param value value to shift @@ -84,7 +64,7 @@ static inline int bidir_sal(int value, int offset) } /** - * returns the dot product. + * Return the dot product. * @param a input data array * @param b input data array * @param length number of elements