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
|
/*
* Copyright 2002-2017 Drew Noakes
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* More information about this project is available at:
*
* https://drewnoakes.com/code/exif/
* https://github.com/drewnoakes/metadata-extractor
*/
package com.drew.metadata.mov.atoms;
import com.drew.lang.SequentialReader;
import com.drew.metadata.mov.QuickTimeHandlerFactory;
import java.io.IOException;
/**
* https://developer.apple.com/library/content/documentation/QuickTime/QTFF/QTFFChap2/qtff2.html#//apple_ref/doc/uid/TP40000939-CH204-SW34
*
* @author Payton Garland
*/
public class MediaHeaderAtom extends FullAtom
{
long creationTime;
long modificationTime;
long timescale;
long duration;
int language;
int quality;
public MediaHeaderAtom(SequentialReader reader, Atom atom) throws IOException
{
super(reader, atom);
creationTime = reader.getUInt32();
modificationTime = reader.getUInt32();
timescale = reader.getUInt32();
duration = reader.getUInt32();
language = reader.getUInt16();
quality = reader.getUInt16();
// TODO can't use static fields here as it breaks concurrency
QuickTimeHandlerFactory.HANDLER_PARAM_CREATION_TIME = creationTime;
QuickTimeHandlerFactory.HANDLER_PARAM_MODIFICATION_TIME = modificationTime;
QuickTimeHandlerFactory.HANDLER_PARAM_TIME_SCALE = timescale;
QuickTimeHandlerFactory.HANDLER_PARAM_DURATION = duration;
}
}
|
