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
|
/*****************************************************************
|
| AP4 - tfhd Atoms
|
| 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_TFHD_ATOM_H_
#define _AP4_TFHD_ATOM_H_
/*----------------------------------------------------------------------
| includes
+---------------------------------------------------------------------*/
#include "Ap4Atom.h"
/*----------------------------------------------------------------------
| constants
+---------------------------------------------------------------------*/
const AP4_UI32 AP4_TFHD_FLAG_BASE_DATA_OFFSET_PRESENT = 0x00001;
const AP4_UI32 AP4_TFHD_FLAG_SAMPLE_DESCRIPTION_INDEX_PRESENT = 0x00002;
const AP4_UI32 AP4_TFHD_FLAG_DEFAULT_SAMPLE_DURATION_PRESENT = 0x00008;
const AP4_UI32 AP4_TFHD_FLAG_DEFAULT_SAMPLE_SIZE_PRESENT = 0x00010;
const AP4_UI32 AP4_TFHD_FLAG_DEFAULT_SAMPLE_FLAGS_PRESENT = 0x00020;
const AP4_UI32 AP4_TFHD_FLAG_DURATION_IS_EMPTY = 0x10000;
const AP4_UI32 AP4_TFHD_FLAG_DEFAULT_BASE_IS_MOOF = 0x20000;
/*----------------------------------------------------------------------
| AP4_TfhdAtom
+---------------------------------------------------------------------*/
class AP4_TfhdAtom : public AP4_Atom
{
public:
AP4_IMPLEMENT_DYNAMIC_CAST(AP4_TfhdAtom)
// class methods
static AP4_TfhdAtom* Create(AP4_Size size, AP4_ByteStream& stream);
static AP4_UI32 ComputeSize(AP4_UI32 flags);
// methods
AP4_TfhdAtom(AP4_UI32 flags,
AP4_UI32 track_id,
AP4_UI64 base_data_offset,
AP4_UI32 sample_description_index,
AP4_UI32 default_sample_duration,
AP4_UI32 default_sample_size,
AP4_UI32 default_sample_flags);
virtual AP4_Result InspectFields(AP4_AtomInspector& inspector);
virtual AP4_Result WriteFields(AP4_ByteStream& stream);
AP4_UI32 GetTrackId() { return m_TrackId; }
void SetTrackId(AP4_UI32 track_id) { m_TrackId = track_id; }
AP4_UI64 GetBaseDataOffset() { return m_BaseDataOffset; }
void SetBaseDataOffset(AP4_UI64 offset) { m_BaseDataOffset = offset; }
AP4_UI32 GetSampleDescriptionIndex() { return m_SampleDescriptionIndex; }
void SetSampleDescriptionIndex(AP4_UI32 indx) { m_SampleDescriptionIndex = indx; }
AP4_UI32 GetDefaultSampleDuration() { return m_DefaultSampleDuration; }
void SetDefaultSampleDuration(AP4_UI32 duration) { m_DefaultSampleDuration = duration; }
AP4_UI32 GetDefaultSampleSize() { return m_DefaultSampleSize; }
void SetDefaultSampleSize(AP4_UI32 size) { m_DefaultSampleSize = size; }
AP4_UI32 GetDefaultSampleFlags() { return m_DefaultSampleFlags; }
void SetDefaultSampleFlags(AP4_UI32 flags) { m_DefaultSampleFlags = flags; }
private:
// methods
AP4_TfhdAtom(AP4_UI32 size,
AP4_UI08 version,
AP4_UI32 flags,
AP4_ByteStream& stream);
// members
AP4_UI32 m_TrackId;
AP4_UI64 m_BaseDataOffset;
AP4_UI32 m_SampleDescriptionIndex;
AP4_UI32 m_DefaultSampleDuration;
AP4_UI32 m_DefaultSampleSize;
AP4_UI32 m_DefaultSampleFlags;
};
#endif // _AP4_TFHD_ATOM_H_
|
