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 #define IMPLEMENT_AVCSampleDependency
19
20 #include "avcsampledependency.h"
21 #include "atomutils.h"
22 #include "atomdefs.h"
23
AVCSampleDependency(MP4_FF_FILE * fp,uint32 size,uint32 type,uint32 sample_count)24 AVCSampleDependency::AVCSampleDependency(MP4_FF_FILE *fp, uint32 size, uint32 type, uint32 sample_count)
25 : FullAtom(fp, size, type)
26 {
27 if (_success)
28 {
29
30 PV_MP4_FF_ARRAY_NEW(NULL, uint16, (sample_count), _dependencycount);
31 if (_dependencycount == NULL)
32 {
33 _success = false;
34 _mp4ErrorCode = MEMORY_ALLOCATION_FAILED;
35 return;
36 }
37
38 PV_MP4_FF_ARRAY_NEW(NULL, uint16, (sample_count), _relativesamplenumber);
39 if (_relativesamplenumber == NULL)
40 {
41 _success = false;
42 _mp4ErrorCode = MEMORY_ALLOCATION_FAILED;
43 return;
44 }
45
46 for (uint32 idx = 0; idx < sample_count; idx++)
47 {
48 if (!AtomUtils::read16(fp, _dependencycount[idx]))
49 {
50 _success = false;
51 }
52 for (uint32 i = 0; i < _dependencycount[idx]; i++)
53 {
54 if (!AtomUtils::read16(fp, _relativesamplenumber[i]))
55 {
56 _success = false;
57 }
58 }
59 }
60 }
61 if (!_success)
62 {
63 _mp4ErrorCode = READ_AVC_SAMPLE_DEPENDENCY_BOX_FAILED;
64 }
65 }
66 // Destructor
~AVCSampleDependency()67 AVCSampleDependency::~AVCSampleDependency()
68 {
69 }
70