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 This PVA_FF_UserDataAtom Class fp a container atom for informative user-data.
20 */
21
22
23 #define __IMPLEMENT_UserDataAtom__
24
25 #include "userdataatom.h"
26 #include "a_atomdefs.h"
27 #include "atomutils.h"
28 #include "assetinfoatoms.h"
29
30 typedef Oscl_Vector<PVA_FF_Atom*, OsclMemAllocator> PVA_FF_AtomVecType;
31 // Constructor
PVA_FF_UserDataAtom()32 PVA_FF_UserDataAtom::PVA_FF_UserDataAtom() : PVA_FF_Atom(USER_DATA_ATOM)
33 {
34 _size = getDefaultSize();
35 PV_MP4_FF_NEW(fp->auditCB, PVA_FF_AtomVecType, (), _pUserDataAtomVec);
36 }
37
38 // Destructor
~PVA_FF_UserDataAtom()39 PVA_FF_UserDataAtom::~PVA_FF_UserDataAtom()
40 {
41 // Delete all USER data Atoms
42
43 for (uint32 i = 0; i < _pUserDataAtomVec->size(); i++)
44 {
45 PVA_FF_Atom* atomPtr = (*_pUserDataAtomVec)[i];
46 if (atomPtr->getType() == ASSET_INFO_TITLE_ATOM)
47 {
48 PVA_FF_AssetInfoTitleAtom * ptr = (PVA_FF_AssetInfoTitleAtom*)(*_pUserDataAtomVec)[i];
49 PV_MP4_FF_DELETE(NULL, PVA_FF_AssetInfoTitleAtom , ptr);
50 }
51 else if (atomPtr->getType() == ASSET_INFO_DESCP_ATOM)
52 {
53 PVA_FF_AssetInfoDescAtom * ptr = (PVA_FF_AssetInfoDescAtom*)(*_pUserDataAtomVec)[i];
54 PV_MP4_FF_DELETE(NULL, PVA_FF_AssetInfoDescAtom , ptr);
55 }
56 else if (atomPtr->getType() == ASSET_INFO_PERF_ATOM)
57 {
58 PVA_FF_AssetInfoPerformerAtom * ptr = (PVA_FF_AssetInfoPerformerAtom*)(*_pUserDataAtomVec)[i];
59 PV_MP4_FF_DELETE(NULL, PVA_FF_AssetInfoPerformerAtom , ptr);
60 }
61 else if (atomPtr->getType() == ASSET_INFO_AUTHOR_ATOM)
62 {
63 PVA_FF_AssetInfoAuthorAtom * ptr = (PVA_FF_AssetInfoAuthorAtom*)(*_pUserDataAtomVec)[i];
64 PV_MP4_FF_DELETE(NULL, PVA_FF_AssetInfoAuthorAtom , ptr);
65 }
66 else if (atomPtr->getType() == ASSET_INFO_GENRE_ATOM)
67 {
68 PVA_FF_AssetInfoGenreAtom * ptr = (PVA_FF_AssetInfoGenreAtom*)(*_pUserDataAtomVec)[i];
69 PV_MP4_FF_DELETE(NULL, PVA_FF_AssetInfoGenreAtom , ptr);
70 }
71 else if (atomPtr->getType() == ASSET_INFO_RATING_ATOM)
72 {
73 PVA_FF_AssetInfoRatingAtom * ptr = (PVA_FF_AssetInfoRatingAtom*)(*_pUserDataAtomVec)[i];
74 PV_MP4_FF_DELETE(NULL, PVA_FF_AssetInfoRatingAtom , ptr);
75 }
76 else if (atomPtr->getType() == ASSET_INFO_KEYWORD_ATOM)
77 {
78 PVA_FF_AssetInfoKeyWordsAtom * ptr = (PVA_FF_AssetInfoKeyWordsAtom*)(*_pUserDataAtomVec)[i];
79 PV_MP4_FF_DELETE(NULL, PVA_FF_AssetInfoKeyWordsAtom , ptr);
80 }
81 else if (atomPtr->getType() == ASSET_INFO_CLSF_ATOM)
82 {
83 PVA_FF_AssetInfoClassificationAtom * ptr = (PVA_FF_AssetInfoClassificationAtom*)(*_pUserDataAtomVec)[i];
84 PV_MP4_FF_DELETE(NULL, PVA_FF_AssetInfoClassificationAtom , ptr);
85 }
86 else if (atomPtr->getType() == ASSET_INFO_LOCINFO_ATOM)
87 {
88 PVA_FF_AssetInfoLocationInfoAtom * ptr = (PVA_FF_AssetInfoLocationInfoAtom*)(*_pUserDataAtomVec)[i];
89 PV_MP4_FF_DELETE(NULL, PVA_FF_AssetInfoLocationInfoAtom , ptr);
90 }
91 else if (atomPtr->getType() == ASSET_INFO_CPRT_ATOM)
92 {
93 PVA_FF_AssetInfoCopyRightAtom * ptr = (PVA_FF_AssetInfoCopyRightAtom*)(*_pUserDataAtomVec)[i];
94 PV_MP4_FF_DELETE(NULL, PVA_FF_AssetInfoCopyRightAtom , ptr);
95 }
96 else if (atomPtr->getType() == ASSET_INFO_ALBUM_TITLE_ATOM)
97 {
98 PVA_FF_AssetInfoAlbumAtom * ptr = (PVA_FF_AssetInfoAlbumAtom*)(*_pUserDataAtomVec)[i];
99 PV_MP4_FF_DELETE(NULL, PVA_FF_AssetInfoAlbumAtom , ptr);
100 }
101 else if (atomPtr->getType() == ASSET_INFO_RECORDING_YEAR_ATOM)
102 {
103 PVA_FF_AssetInfoRecordingYearAtom * ptr = (PVA_FF_AssetInfoRecordingYearAtom*)(*_pUserDataAtomVec)[i];
104 PV_MP4_FF_DELETE(NULL, PVA_FF_AssetInfoRecordingYearAtom , ptr);
105 }
106
107 }
108
109 PV_MP4_FF_TEMPLATED_DELETE(NULL, PVA_FF_AtomVecType, Oscl_Vector, _pUserDataAtomVec);
110 return;
111 }
112
addAtom(PVA_FF_Atom * atom)113 void PVA_FF_UserDataAtom::addAtom(PVA_FF_Atom* atom)
114 {
115 // Adds a new vector to the array of user data atom pointers
116 _pUserDataAtomVec->push_back(atom);
117 atom->setParent(this);
118 recomputeSize();
119 }
120
121 // Rendering the PVA_FF_Atom in proper format (bitlengths, etc.) to an ostream
renderToFileStream(MP4_AUTHOR_FF_FILE_IO_WRAP * fp)122 bool PVA_FF_UserDataAtom::renderToFileStream(MP4_AUTHOR_FF_FILE_IO_WRAP *fp)
123 {
124 int32 rendered = 0; // Keep track of number of bytes rendered
125 uint32 i = 0;
126
127 recomputeSize();
128
129 // Render PVA_FF_Atom type and size
130 if (!renderAtomBaseMembers(fp))
131 {
132 return false;
133 }
134 rendered += getDefaultSize();
135
136 // Render all the user data atoms in sequence to the file
137 for (i = 0; i < _pUserDataAtomVec->size(); i++)
138 {
139 if (!((*_pUserDataAtomVec)[i]->renderToFileStream(fp)))
140 {
141 return false;
142 }
143 rendered += (*_pUserDataAtomVec)[i]->getSize();
144 }
145
146 return true;
147 }
148
149 void
recomputeSize()150 PVA_FF_UserDataAtom::recomputeSize()
151 {
152 _size = getDefaultSize();
153
154 for (uint32 i = 0; i < _pUserDataAtomVec->size(); i++)
155 {
156 _size += (*_pUserDataAtomVec)[i]->getSize();
157 }
158
159 // Update the size of the parent atom since this child atom may have changed
160 if (_pparent != NULL)
161 {
162 _pparent->recomputeSize();
163 }
164 }
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