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