00001 /* 00002 * MPEG-4 Audio common header 00003 * Copyright (c) 2008 Baptiste Coudurier <baptiste.coudurier@free.fr> 00004 * 00005 * This file is part of FFmpeg. 00006 * 00007 * FFmpeg is free software; you can redistribute it and/or 00008 * modify it under the terms of the GNU Lesser General Public 00009 * License as published by the Free Software Foundation; either 00010 * version 2.1 of the License, or (at your option) any later version. 00011 * 00012 * FFmpeg is distributed in the hope that it will be useful, 00013 * but WITHOUT ANY WARRANTY; without even the implied warranty of 00014 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 00015 * Lesser General Public License for more details. 00016 * 00017 * You should have received a copy of the GNU Lesser General Public 00018 * License along with FFmpeg; if not, write to the Free Software 00019 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA 00020 */ 00021 00022 #ifndef AVCODEC_MPEG4AUDIO_H 00023 #define AVCODEC_MPEG4AUDIO_H 00024 00025 #include <stdint.h> 00026 00027 typedef struct { 00028 int object_type; 00029 int sampling_index; 00030 int sample_rate; 00031 int chan_config; 00032 int sbr; //< -1 implicit, 1 presence 00033 int ext_object_type; 00034 int ext_sampling_index; 00035 int ext_sample_rate; 00036 } MPEG4AudioConfig; 00037 00038 extern const int ff_mpeg4audio_sample_rates[16]; 00039 extern const uint8_t ff_mpeg4audio_channels[8]; 00047 int ff_mpeg4audio_get_config(MPEG4AudioConfig *c, const uint8_t *buf, int buf_size); 00048 00049 #endif /* AVCODEC_MPEG4AUDIO_H */
1.5.8