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.coremedia.iso.boxes;
18
19import com.coremedia.iso.IsoTypeReader;
20import com.coremedia.iso.IsoTypeWriter;
21import com.coremedia.iso.Utf8;
22import com.googlecode.mp4parser.AbstractFullBox;
23
24import java.nio.ByteBuffer;
25
26/**
27 * Gives a language dependent description of the media contained in the ISO file.
28 */
29public class DescriptionBox extends AbstractFullBox {
30    public static final String TYPE = "dscp";
31
32    private String language;
33    private String description;
34
35    public DescriptionBox() {
36        super(TYPE);
37    }
38
39    public String getLanguage() {
40        return language;
41    }
42
43    public String getDescription() {
44        return description;
45    }
46
47    protected long getContentSize() {
48        return 7 + Utf8.utf8StringLengthInBytes(description);
49    }
50
51    @Override
52    public void _parseDetails(ByteBuffer content) {
53        parseVersionAndFlags(content);
54        language = IsoTypeReader.readIso639(content);
55        description = IsoTypeReader.readString(content);
56    }
57
58    @Override
59    protected void getContent(ByteBuffer byteBuffer) {
60        writeVersionAndFlags(byteBuffer);
61        IsoTypeWriter.writeIso639(byteBuffer, language);
62        byteBuffer.put(Utf8.convert(description));
63        byteBuffer.put((byte) 0);
64    }
65
66    public String toString() {
67        return "DescriptionBox[language=" + getLanguage() + ";description=" + getDescription() + "]";
68    }
69
70    public void setLanguage(String language) {
71        this.language = language;
72    }
73
74    public void setDescription(String description) {
75        this.description = description;
76    }
77}
78