X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=libavcodec%2Fcelp_filters.h;h=c3282584603b193214ac0ecf4519a242a634d947;hb=1da2a20763ae9ca579d5fd20763065871ddf6311;hp=145e3d33465b19fce065a64c6787b5daa6b84279;hpb=0c733da8e2dc411afbc1e74f88890dcf15533553;p=ffmpeg diff --git a/libavcodec/celp_filters.h b/libavcodec/celp_filters.h index 145e3d33465..c3282584603 100644 --- a/libavcodec/celp_filters.h +++ b/libavcodec/celp_filters.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 */ @@ -34,7 +34,7 @@ * * fc_out[n] = sum(i,0,len-1){ fc_in[i] * filter[(len + n - i)%len] } * - * \note fc_in and fc_out should not overlap! + * @note fc_in and fc_out should not overlap! */ void ff_celp_convolve_circ(int16_t *fc_out, const int16_t *fc_in, const int16_t *filter, int len); @@ -63,6 +63,7 @@ void ff_celp_circ_addf(float *out, const float *in, * @param filter_length filter length (10 for 10th order LP filter) * @param stop_on_overflow 1 - return immediately if overflow occurs * 0 - ignore overflows + * @param shift the result is shifted right by this value * @param rounder the amount to add for rounding (usually 0x800 or 0xfff) * * @return 1 if overflow occurred, 0 - otherwise @@ -75,7 +76,7 @@ void ff_celp_circ_addf(float *out, const float *in, int ff_celp_lp_synthesis_filter(int16_t *out, const int16_t *filter_coeffs, const int16_t *in, int buffer_length, int filter_length, int stop_on_overflow, - int rounder); + int shift, int rounder); /** * LP synthesis filter.