mirror of
https://github.com/FFmpeg/FFmpeg.git
synced 2024-12-23 12:43:46 +02:00
61 lines
2.2 KiB
C
61 lines
2.2 KiB
C
/*
|
|
* MLP parser prototypes
|
|
* Copyright (c) 2007 Ian Caulfield
|
|
*
|
|
* This file is part of FFmpeg.
|
|
*
|
|
* FFmpeg 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,
|
|
* 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
|
|
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
|
|
*/
|
|
|
|
/**
|
|
* @file mlp_parser.h
|
|
* MLP parser prototypes
|
|
*/
|
|
|
|
#ifndef FFMPEG_MLP_PARSER_H
|
|
#define FFMPEG_MLP_PARSER_H
|
|
|
|
#include <inttypes.h>
|
|
|
|
typedef struct MLPHeaderInfo
|
|
{
|
|
int stream_type; ///< 0xBB for MLP, 0xBA for TrueHD
|
|
|
|
int group1_bits; ///< The bit depth of the first substream
|
|
int group2_bits; ///< Bit depth of the second substream (MLP only)
|
|
|
|
int group1_samplerate; ///< Sample rate of first substream
|
|
int group2_samplerate; ///< Sample rate of second substream (MLP only)
|
|
|
|
int channels_mlp; ///< Channel arrangement for MLP streams
|
|
int channels_thd_stream1; ///< Channel arrangement for substream 1 of TrueHD streams (5.1)
|
|
int channels_thd_stream2; ///< Channel arrangement for substream 2 of TrueHD streams (7.1)
|
|
|
|
int access_unit_size; ///< Number of samples per coded frame
|
|
int access_unit_size_pow2; ///< Next power of two above number of samples per frame
|
|
|
|
int is_vbr; ///< Stream is VBR instead of CBR
|
|
int peak_bitrate; ///< Peak bitrate for VBR, actual bitrate (==peak) for CBR
|
|
|
|
int num_substreams; ///< Number of substreams within stream
|
|
} MLPHeaderInfo;
|
|
|
|
|
|
int ff_mlp_read_major_sync(void *log, MLPHeaderInfo *mh, const uint8_t *buf,
|
|
unsigned int buf_size);
|
|
|
|
#endif /* FFMPEG_MLP_PARSER_H */
|
|
|