blob: 760a7da1c92ac3a7b150663eeb81f0bf5f45a5f2 (
plain)
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
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
|
/*
* Copyright (C) 2011 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/**
*************************************************************************
* @file M4_Common.h
* @brief Common data structure between shells
* @note
*************************************************************************
*/
#ifndef __M4_COMMON_H__
#define __M4_COMMON_H__
#include "M4OSA_Types.h"
/**
************************************************************************
* structure _parameterSet
* @brief This structure defines the structure of parameters for the avc
* decoder specific info
* @note
************************************************************************
*/
typedef struct _parameterSet
{
M4OSA_UInt16 m_length; /* Number of items*/
M4OSA_UInt8* m_pParameterSetUnit; /* Array of items*/
} ParameterSet ;
/**
************************************************************************
* structure _avcSpecificInfo
* @brief This structure defines the structure of specific info for the avc decoder
* @note
************************************************************************
*/
typedef struct _avcSpecificInfo
{
M4OSA_UInt8 m_nalUnitLength; /* length in bytes of the NALUnitLength
field in a AVC sample */
M4OSA_UInt8 m_numOfSequenceParameterSets; /* Number of sequence parameter sets*/
M4OSA_UInt8 m_numOfPictureParameterSets; /* Number of picture parameter sets*/
ParameterSet *m_pSequenceParameterSet; /* Sequence parameter sets array*/
ParameterSet *m_pPictureParameterSet; /* Picture parameter sets array*/
} AvcSpecificInfo ;
/**
************************************************************************
* structure M4_SynthesisAudioInfo
* @brief This structure contains specific pointers used for synthesis audio format
************************************************************************
*/
typedef struct _synthesisAudioInfo
{
M4OSA_Void* m_pInputBuf;
M4OSA_Void* m_pInputInfo;
M4OSA_UInt16 m_uiNbSubFramePerStep;
M4OSA_UInt32 m_uiUsedBytes;
} M4_SynthesisAudioInfo;
/*
************************************************************************
* enum M4_AACDownsamplingMode
* @brief This enum states modes for Down sampling
************************************************************************
*/
typedef enum
{
AAC_kDS_OFF = 0, /**< No Down sampling */
AAC_kDS_BY_2 = 1, /**< Down sampling by 2
Profile = AAC :
output sampling rate = aac_samp_freq/2
Profile = HE_AAC and input is AAC:
Output sampling rate = aac_samp_freq.(No downsamping).
Profile = HE_AAC and input is HE_AAC:
Output sampling rate = aac_samp_freq (Downsampling
occurs in SBR tool).
case profile = HE_AAC_v2 :
Not Supported */
AAC_kDS_BY_3 = 2, /**< Down sampling by 3 - only for AAC profile */
AAC_kDS_BY_4 = 3, /**< Down sampling by 4 - only for AAC profile */
AAC_kDS_BY_8 = 4 /**< Down sampling by 8 - only for AAC profile */
} M4_AACDownsamplingMode;
/*
************************************************************************
* enum M4_AACOutputMode
* @brief This enum defines the output mode
************************************************************************
*/
typedef enum
{
AAC_kMono = 0, /**< Output is Mono */
AAC_kStereo = 1 /**< Output is Stereo */
} M4_AACOutputMode;
/*
************************************************************************
* enum M4_AACDecProfile
* @brief This enum defines the AAC decoder profile
************************************************************************
*/
typedef enum
{
AAC_kAAC = 0, /**< AAC profile (only AAC LC object are supported) */
AAC_kHE_AAC = 1, /**< HE AAC or AAC+ profile (SBR in LP Mode) */
AAC_kHE_AAC_v2 = 2 /**< HE AAC v2 or Enhanced AAC+ profile (SBR Tool in HQ Mode) */
} M4_AACDecProfile;
/**
************************************************************************
* structure M4_AacDecoderConfig
* @brief This structure defines specific settings according to
* the user requirements
************************************************************************
*/
typedef struct
{
M4_AACDecProfile m_AACDecoderProfile;
M4_AACDownsamplingMode m_DownSamplingMode;
M4_AACOutputMode m_OutputMode;
} M4_AacDecoderConfig;
/**
************************************************************************
* structure M4READER_AudioSbrUserdata
* @brief This structure defines the user's data needed to decode the
* AACplus stream
* @note The field m_pFirstAU is used in case of local files and
* the field m_bIsSbrEnabled is used in streaming case.
************************************************************************
*/
typedef struct
{
M4OSA_Void* m_pFirstAU; /**< The first AU from where SBR data are
extracted (local file case)*/
M4OSA_Bool m_bIsSbrEnabled; /**< A boolean that indicates if the stream is
AACplus (streaming case)*/
M4_AacDecoderConfig* m_pAacDecoderUserConfig;/**< Decoder specific user setting */
} M4READER_AudioSbrUserdata;
#endif /* __M4_COMMON_H__*/
|
