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.IsoFile; 20 import com.coremedia.iso.IsoTypeReader; 21 import com.coremedia.iso.IsoTypeWriter; 22 import com.coremedia.iso.Utf8; 23 import com.googlecode.mp4parser.AbstractFullBox; 24 25 import java.nio.ByteBuffer; 26 27 /** 28 * Classification of the media according to 3GPP 26.244. 29 */ 30 public class ClassificationBox extends AbstractFullBox { 31 public static final String TYPE = "clsf"; 32 33 34 private String classificationEntity; 35 private int classificationTableIndex; 36 private String language; 37 private String classificationInfo; 38 39 public ClassificationBox() { 40 super(TYPE); 41 } 42 43 public String getLanguage() { 44 return language; 45 } 46 47 public String getClassificationEntity() { 48 return classificationEntity; 49 } 50 51 public int getClassificationTableIndex() { 52 return classificationTableIndex; 53 } 54 55 public String getClassificationInfo() { 56 return classificationInfo; 57 } 58 59 public void setClassificationEntity(String classificationEntity) { 60 this.classificationEntity = classificationEntity; 61 } 62 63 public void setClassificationTableIndex(int classificationTableIndex) { 64 this.classificationTableIndex = classificationTableIndex; 65 } 66 67 public void setLanguage(String language) { 68 this.language = language; 69 } 70 71 public void setClassificationInfo(String classificationInfo) { 72 this.classificationInfo = classificationInfo; 73 } 74 75 protected long getContentSize() { 76 return 4 + 2 + 2 + Utf8.utf8StringLengthInBytes(classificationInfo) + 1; 77 } 78 79 @Override 80 public void _parseDetails(ByteBuffer content) { 81 parseVersionAndFlags(content); 82 byte[] cE = new byte[4]; 83 content.get(cE); 84 classificationEntity = IsoFile.bytesToFourCC(cE); 85 classificationTableIndex = IsoTypeReader.readUInt16(content); 86 language = IsoTypeReader.readIso639(content); 87 classificationInfo = IsoTypeReader.readString(content); 88 } 89 90 @Override 91 protected void getContent(ByteBuffer byteBuffer) { 92 byteBuffer.put(IsoFile.fourCCtoBytes(classificationEntity)); 93 IsoTypeWriter.writeUInt16(byteBuffer, classificationTableIndex); 94 IsoTypeWriter.writeIso639(byteBuffer, language); 95 byteBuffer.put(Utf8.convert(classificationInfo)); 96 byteBuffer.put((byte) 0); 97 } 98 99 100 public String toString() { 101 StringBuilder buffer = new StringBuilder(); 102 buffer.append("ClassificationBox[language=").append(getLanguage()); 103 buffer.append("classificationEntity=").append(getClassificationEntity()); 104 buffer.append(";classificationTableIndex=").append(getClassificationTableIndex()); 105 buffer.append(";language=").append(getLanguage()); 106 buffer.append(";classificationInfo=").append(getClassificationInfo()); 107 buffer.append("]"); 108 return buffer.toString(); 109 } 110 } 111
