1/*
2 * Copyright 2008 CoreMedia AG, Hamburg
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 express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17package com.googlecode.mp4parser;
18
19
20import com.coremedia.iso.IsoTypeReader;
21import com.coremedia.iso.IsoTypeWriter;
22import com.coremedia.iso.boxes.FullBox;
23
24import java.nio.ByteBuffer;
25
26/**
27 * Base class for all ISO Full boxes.
28 */
29public abstract class AbstractFullBox extends AbstractBox implements FullBox {
30    private int version;
31    private int flags;
32
33    protected AbstractFullBox(String type) {
34        super(type);
35    }
36
37    protected AbstractFullBox(String type, byte[] userType) {
38        super(type, userType);
39    }
40
41    public int getVersion() {
42        return version;
43    }
44
45    public void setVersion(int version) {
46        this.version = version;
47    }
48
49    public int getFlags() {
50        return flags;
51    }
52
53    public void setFlags(int flags) {
54        this.flags = flags;
55    }
56
57
58    /**
59     * Parses the version/flags header and returns the remaining box size.
60     *
61     * @param content
62     * @return number of bytes read
63     */
64    protected final long parseVersionAndFlags(ByteBuffer content) {
65        version = IsoTypeReader.readUInt8(content);
66        flags = IsoTypeReader.readUInt24(content);
67        return 4;
68    }
69
70    protected final void writeVersionAndFlags(ByteBuffer bb) {
71        IsoTypeWriter.writeUInt8(bb, version);
72        IsoTypeWriter.writeUInt24(bb, flags);
73    }
74}
75