Home | History | Annotate | Download | only in boxes
      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  * Gives a language dependent description of the media contained in the ISO file.
     28  */
     29 public 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