1 /* ------------------------------------------------------------------
2 * Copyright (C) 1998-2009 PacketVideo
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either
13 * express or implied.
14 * See the License for the specific language governing permissions
15 * and limitations under the License.
16 * -------------------------------------------------------------------
17 */
18 /*********************************************************************************/
19 /* ------------------------------------------------------------------- */
20 /* MPEG-4 ObjectDescriptorAtom Class */
21 /* ------------------------------------------------------------------- */
22 /*********************************************************************************/
23 /*
24 This ObjectDescriptorAtom Class contains an ObjectDescriptor or an
25 InitialObjectDescriptor.
26 */
27
28
29 #define IMPLEMENT_ObjectDescriptorAtom
30
31 #include "objectdescriptoratom.h"
32 #include "atomutils.h"
33 #include "atomdefs.h"
34
35
36 // Stream-in Constructor
ObjectDescriptorAtom(MP4_FF_FILE * fp,uint32 size,uint32 type)37 ObjectDescriptorAtom::ObjectDescriptorAtom(MP4_FF_FILE *fp, uint32 size, uint32 type)
38 : FullAtom(fp, size, type)
39 {
40 _pOD = NULL;
41
42 if (_success)
43 {
44 _pparent = NULL;
45
46 PV_MP4_FF_NEW(fp->auditCB, InitialObjectDescriptor, (fp), _pOD);
47
48 if (!_pOD->MP4Success())
49 {
50 _success = false;
51 _mp4ErrorCode = _pOD->GetMP4Error();
52 }
53
54 if (_success)
55 _pOD->setParent(this);
56 }
57 else
58 {
59 if (_mp4ErrorCode != ATOM_VERSION_NOT_SUPPORTED)
60 _mp4ErrorCode = READ_OBJECT_DESCRIPTOR_ATOM_FAILED;
61 }
62
63 }
64
65 // Destructor
~ObjectDescriptorAtom()66 ObjectDescriptorAtom::~ObjectDescriptorAtom()
67 {
68 // Cleanup InitialObjectDescriptor
69 if (_pOD != NULL)
70 {
71 PV_MP4_FF_DELETE(NULL, InitialObjectDescriptor, _pOD);
72 }
73 }
74
75
76