blob: 940ba838f3e3bd2cfe13fd3fc52ba8e84831bf9f (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
|
/*
* MLP parser prototypes
* Copyright (c) 2007 Ian Caulfield
*
* This file is part of Libav.
*
* 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.
*
* 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 Libav; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
/**
* @file
* MLP parser prototypes
*/
#ifndef AVCODEC_MLP_PARSER_H
#define AVCODEC_MLP_PARSER_H
#include "get_bits.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, GetBitContext *gb);
#endif /* AVCODEC_MLP_PARSER_H */
|
