mpeg4audio.h
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1 /*
2  * MPEG-4 Audio common header
3  * Copyright (c) 2008 Baptiste Coudurier <baptiste.coudurier@free.fr>
4  *
5  * This file is part of Libav.
6  *
7  * Libav 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.
11  *
12  * Libav 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.
16  *
17  * You should have received a copy of the GNU Lesser General Public
18  * License along with Libav; if not, write to the Free Software
19  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
20  */
21 
22 #ifndef AVCODEC_MPEG4AUDIO_H
23 #define AVCODEC_MPEG4AUDIO_H
24 
25 #include <stdint.h>
26 #include "get_bits.h"
27 #include "put_bits.h"
28 
29 typedef struct MPEG4AudioConfig {
34  int sbr;
39  int channels;
40  int ps;
42 
43 extern av_export const int avpriv_mpeg4audio_sample_rates[16];
44 extern const uint8_t ff_mpeg4audio_channels[8];
45 
55  int bit_size, int sync_extension);
56 
59  // Support? Name
69  AOT_TTSI = 12,
102 };
103 
104 #define MAX_PCE_SIZE 304
105 
108 
109 #endif /* AVCODEC_MPEG4AUDIO_H */
N Parametric Stereo.
Definition: mpeg4audio.h:85
int avpriv_copy_pce_data(PutBitContext *pb, GetBitContext *gb)
Definition: mpeg4audio.c:155
Y Layer 1.
Definition: mpeg4audio.h:88
int avpriv_mpeg4audio_get_config(MPEG4AudioConfig *c, const uint8_t *buf, int bit_size, int sync_extension)
Parse MPEG-4 systems extradata to retrieve audio configuration.
Definition: mpeg4audio.c:79
const uint8_t ff_mpeg4audio_channels[8]
Definition: mpeg4audio.c:60
N Scalable LosslesS (non core)
Definition: mpeg4audio.h:94
N Code Excited Linear Prediction.
Definition: mpeg4audio.h:67
N Error Resilient Parametric.
Definition: mpeg4audio.h:83
N Error Resilient Long Term Prediction.
Definition: mpeg4audio.h:75
N MPEG Surround.
Definition: mpeg4audio.h:86
uint8_t
N Error Resilient Low Delay.
Definition: mpeg4audio.h:79
N Algorithmic Synthesis and Audio Effects.
Definition: mpeg4audio.h:73
N Scalable LosslesS.
Definition: mpeg4audio.h:93
N General MIDI.
Definition: mpeg4audio.h:72
av_export const int avpriv_mpeg4audio_sample_rates[16]
Definition: mpeg4audio.c:55
N Error Resilient Harmonic and Individual Lines plus Noise.
Definition: mpeg4audio.h:82
bitstream reader API header.
Y Escape Value.
Definition: mpeg4audio.h:87
N Error Resilient Low Complexity.
Definition: mpeg4audio.h:74
N Unified Speech and Audio Coding (no SBR)
Definition: mpeg4audio.h:98
N Symbolic Music Representation Main.
Definition: mpeg4audio.h:97
struct MPEG4AudioConfig MPEG4AudioConfig
N Error Resilient Twin Vector Quantizer.
Definition: mpeg4audio.h:77
N Text-To-Speech Interface.
Definition: mpeg4audio.h:69
N Low Delay MPEG Surround.
Definition: mpeg4audio.h:100
N Error Resilient Scalable.
Definition: mpeg4audio.h:76
AudioObjectType
Definition: mpeg4audio.h:57
N Unified Speech and Audio Coding.
Definition: mpeg4audio.h:101
N Harmonic Vector eXcitation Coding.
Definition: mpeg4audio.h:68
N Error Resilient Harmonic Vector eXcitation Coding.
Definition: mpeg4audio.h:81
Y Main.
Definition: mpeg4audio.h:60
N Main Synthesis.
Definition: mpeg4audio.h:70
N (code in SoC repo) Scalable Sample Rate.
Definition: mpeg4audio.h:62
N Scalable.
Definition: mpeg4audio.h:65
N Direct Stream Transfer.
Definition: mpeg4audio.h:91
N Wavetable Synthesis.
Definition: mpeg4audio.h:71
N Error Resilient Code Excited Linear Prediction.
Definition: mpeg4audio.h:80
#define av_export
Definition: internal.h:53
Y Layer 2.
Definition: mpeg4audio.h:89
N Error Resilient Bit-Sliced Arithmetic Coding.
Definition: mpeg4audio.h:78
N Error Resilient Enhanced Low Delay.
Definition: mpeg4audio.h:95
N Twin Vector Quantizer.
Definition: mpeg4audio.h:66
Y Spectral Band Replication.
Definition: mpeg4audio.h:64
N SinuSoidal Coding.
Definition: mpeg4audio.h:84
Y Audio LosslesS.
Definition: mpeg4audio.h:92
Y Layer 3.
Definition: mpeg4audio.h:90
Y Long Term Prediction.
Definition: mpeg4audio.h:63
N Symbolic Music Representation Simple.
Definition: mpeg4audio.h:96
int sbr
-1 implicit, 1 presence
Definition: mpeg4audio.h:34
int ext_sampling_index
Definition: mpeg4audio.h:36
int ps
-1 implicit, 1 presence
Definition: mpeg4audio.h:40
N Spatial Audio Object Coding.
Definition: mpeg4audio.h:99
Y Low Complexity.
Definition: mpeg4audio.h:61
bitstream writer API