2 * codec2 utility functions
3 * Copyright (c) 2017 Tomas Härdin
5 * This file is part of FFmpeg.
7 * FFmpeg is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Lesser General Public
9 * License as published by the Free Software Foundation; either
10 * version 2.1 of the License, or (at your option) any later version.
12 * FFmpeg is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Lesser General Public License for more details.
17 * You should have received a copy of the GNU Lesser General Public
18 * License along with FFmpeg; if not, write to the Free Software
19 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
24 #include "libavcodec/codec2utils.h"
26 #if LIBAVCODEC_VERSION_MAJOR < 59
27 int avpriv_codec2_mode_bit_rate(void *logctx, int mode)
29 int frame_size = avpriv_codec2_mode_frame_size(logctx, mode);
30 int block_align = avpriv_codec2_mode_block_align(logctx, mode);
32 if (frame_size <= 0 || block_align <= 0) {
36 return 8 * 8000 * block_align / frame_size;
39 int avpriv_codec2_mode_frame_size(void *logctx, int mode)
41 int frame_size_table[CODEC2_MODE_MAX+1] = {
53 if (mode < 0 || mode > CODEC2_MODE_MAX) {
54 av_log(logctx, AV_LOG_ERROR, "unknown codec2 mode %i, can't find frame_size\n", mode);
57 return frame_size_table[mode];
61 int avpriv_codec2_mode_block_align(void *logctx, int mode)
63 int block_align_table[CODEC2_MODE_MAX+1] = {
75 if (mode < 0 || mode > CODEC2_MODE_MAX) {
76 av_log(logctx, AV_LOG_ERROR, "unknown codec2 mode %i, can't find block_align\n", mode);
79 return block_align_table[mode];