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__AVCLayerDescEntry
19
20 #include "avclayerentry.h"
21 #include "atomutils.h"
22 #include "atomdefs.h"
23
AVCLayerDescEntry(MP4_FF_FILE * fp,uint32 size,uint32 type)24 AVCLayerDescEntry::AVCLayerDescEntry(MP4_FF_FILE *fp, uint32 size, uint32 type)
25 : VisualSampleEntry(fp, size, type)
26 {
27
28 if (_success)
29 {
30 if (!AtomUtils::read8(fp, _layerNumber))
31 {
32 _success = false;
33 }
34 if (!AtomUtils::read8(fp, _accurateStatisticsFlag))
35 {
36 _success = false;
37 }
38
39 if (!AtomUtils::read16(fp, _avgBitRate))
40 {
41 _success = false;
42 }
43 if (!AtomUtils::read16(fp, _avgFrameRate))
44 {
45 _success = false;
46 }
47 }
48 if (!_success)
49 {
50 _mp4ErrorCode = READ_AVC_LAYER_DESCRIPTION_BOX_FAILED;
51 }
52 }
53
54 // Destructor
~AVCLayerDescEntry()55 AVCLayerDescEntry::~AVCLayerDescEntry()
56 {
57 }
58