00001 /* 00002 * MLP parser prototypes 00003 * Copyright (c) 2007 Ian Caulfield 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 00027 #ifndef AVCODEC_MLP_PARSER_H 00028 #define AVCODEC_MLP_PARSER_H 00029 00030 #include "get_bits.h" 00031 00032 typedef struct MLPHeaderInfo 00033 { 00034 int stream_type; 00035 00036 int group1_bits; 00037 int group2_bits; 00038 00039 int group1_samplerate; 00040 int group2_samplerate; 00041 00042 int channels_mlp; 00043 int channels_thd_stream1; 00044 int channels_thd_stream2; 00045 00046 int access_unit_size; 00047 int access_unit_size_pow2; 00048 00049 int is_vbr; 00050 int peak_bitrate; 00051 00052 int num_substreams; 00053 } MLPHeaderInfo; 00054 00055 00056 int ff_mlp_read_major_sync(void *log, MLPHeaderInfo *mh, GetBitContext *gb); 00057 uint64_t ff_truehd_layout(int chanmap); 00058 00059 extern const uint64_t ff_mlp_layout[32]; 00060 00061 #endif /* AVCODEC_MLP_PARSER_H */ 00062