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
|
/*****************************************************************
|
| AP4 - ES Descriptor
|
| Copyright 2002-2008 Axiomatic Systems, LLC
|
|
| This file is part of Bento4/AP4 (MP4 Atom Processing Library).
|
| Unless you have obtained Bento4 under a difference license,
| this version of Bento4 is Bento4|GPL.
| Bento4|GPL is free software; you can redistribute it and/or modify
| it under the terms of the GNU General Public License as published by
| the Free Software Foundation; either version 2, or (at your option)
| any later version.
|
| Bento4|GPL 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 General Public License for more details.
|
| You should have received a copy of the GNU General Public License
| along with Bento4|GPL; see the file COPYING. If not, write to the
| Free Software Foundation, 59 Temple Place - Suite 330, Boston, MA
| 02111-1307, USA.
|
****************************************************************/
#ifndef _AP4_ES_DESCRIPTOR_H_
#define _AP4_ES_DESCRIPTOR_H_
/*----------------------------------------------------------------------
| includes
+---------------------------------------------------------------------*/
#include "Ap4List.h"
#include "Ap4String.h"
#include "Ap4Descriptor.h"
#include "Ap4DecoderConfigDescriptor.h"
/*----------------------------------------------------------------------
| class references
+---------------------------------------------------------------------*/
class AP4_ByteStream;
/*----------------------------------------------------------------------
| constants
+---------------------------------------------------------------------*/
const AP4_UI08 AP4_DESCRIPTOR_TAG_ES = 0x03;
const AP4_UI08 AP4_DESCRIPTOR_TAG_ES_ID_INC = 0x0E;
const AP4_UI08 AP4_DESCRIPTOR_TAG_ES_ID_REF = 0x0F;
const int AP4_ES_DESCRIPTOR_FLAG_STREAM_DEPENDENCY = 1;
const int AP4_ES_DESCRIPTOR_FLAG_URL = 2;
const int AP4_ES_DESCRIPTOR_FLAG_OCR_STREAM = 4;
/*----------------------------------------------------------------------
| AP4_EsDescriptor
+---------------------------------------------------------------------*/
class AP4_EsDescriptor : public AP4_Descriptor
{
public:
AP4_IMPLEMENT_DYNAMIC_CAST_D(AP4_EsDescriptor, AP4_Descriptor)
// methods
AP4_EsDescriptor(AP4_UI16 es_id);
AP4_EsDescriptor(AP4_ByteStream& stream,
AP4_Size header_size,
AP4_Size payload_size);
~AP4_EsDescriptor();
virtual AP4_Result AddSubDescriptor(AP4_Descriptor* descriptor);
virtual AP4_Result WriteFields(AP4_ByteStream& stream);
virtual AP4_Result Inspect(AP4_AtomInspector& inspector);
virtual const AP4_DecoderConfigDescriptor* GetDecoderConfigDescriptor() const;
private:
// members
unsigned short m_EsId;
unsigned short m_OcrEsId;
AP4_Flags m_Flags;
unsigned char m_StreamPriority;
unsigned short m_DependsOn;
AP4_String m_Url;
mutable AP4_List<AP4_Descriptor> m_SubDescriptors;
};
/*----------------------------------------------------------------------
| AP4_EsIdIncDescriptor
+---------------------------------------------------------------------*/
class AP4_EsIdIncDescriptor : public AP4_Descriptor
{
public:
AP4_IMPLEMENT_DYNAMIC_CAST_D(AP4_EsIdIncDescriptor, AP4_Descriptor)
// methods
AP4_EsIdIncDescriptor(AP4_UI32 track_id);
AP4_EsIdIncDescriptor(AP4_ByteStream& stream,
AP4_Size header_size,
AP4_Size payload_size);
virtual AP4_Result WriteFields(AP4_ByteStream& stream);
virtual AP4_Result Inspect(AP4_AtomInspector& inspector);
// accessors
AP4_UI32 GetTrackId() const { return m_TrackId; }
private:
// members
AP4_UI32 m_TrackId;
};
/*----------------------------------------------------------------------
| AP4_EsIdRefDescriptor
+---------------------------------------------------------------------*/
class AP4_EsIdRefDescriptor : public AP4_Descriptor
{
public:
AP4_IMPLEMENT_DYNAMIC_CAST_D(AP4_EsIdRefDescriptor, AP4_Descriptor)
// methods
AP4_EsIdRefDescriptor(AP4_UI16 ref_index);
AP4_EsIdRefDescriptor(AP4_ByteStream& stream,
AP4_Size header_size,
AP4_Size payload_size);
virtual AP4_Result WriteFields(AP4_ByteStream& stream);
virtual AP4_Result Inspect(AP4_AtomInspector& inspector);
// accessors
AP4_UI16 GetRefIndex() const { return m_RefIndex; }
private:
// members
AP4_UI16 m_RefIndex;
};
#endif // _AP4_ES_DESCRIPTOR_H_
|
