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 
17 package com.coremedia.iso.boxes;
18 
19 import com.coremedia.iso.IsoTypeReader;
20 import com.coremedia.iso.IsoTypeWriter;
21 import com.coremedia.iso.Utf8;
22 import com.googlecode.mp4parser.AbstractFullBox;
23 
24 import java.nio.ByteBuffer;
25 
26 /**
27  * Used to give information about the performer. Mostly used in confunction with music files.
28  * See 3GPP 26.234 for details.
29  */
30 public class PerformerBox extends AbstractFullBox {
31     public static final String TYPE = "perf";
32 
33     private String language;
34     private String performer;
35 
PerformerBox()36     public PerformerBox() {
37         super(TYPE);
38     }
39 
getLanguage()40     public String getLanguage() {
41         return language;
42     }
43 
getPerformer()44     public String getPerformer() {
45         return performer;
46     }
47 
setLanguage(String language)48     public void setLanguage(String language) {
49         this.language = language;
50     }
51 
setPerformer(String performer)52     public void setPerformer(String performer) {
53         this.performer = performer;
54     }
55 
getContentSize()56     protected long getContentSize() {
57         return 6 + Utf8.utf8StringLengthInBytes(performer) + 1;
58     }
59 
60     @Override
getContent(ByteBuffer byteBuffer)61     protected void getContent(ByteBuffer byteBuffer) {
62         writeVersionAndFlags(byteBuffer);
63         IsoTypeWriter.writeIso639(byteBuffer, language);
64         byteBuffer.put(Utf8.convert(performer));
65         byteBuffer.put((byte) 0);
66     }
67 
68     @Override
_parseDetails(ByteBuffer content)69     public void _parseDetails(ByteBuffer content) {
70         parseVersionAndFlags(content);
71         language = IsoTypeReader.readIso639(content);
72         performer = IsoTypeReader.readString(content);
73     }
74 
toString()75     public String toString() {
76         return "PerformerBox[language=" + getLanguage() + ";performer=" + getPerformer() + "]";
77     }
78 }
79