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 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 * Meta information in a 'udta' box about a track. 29 * Defined in 3GPP 26.244. 30 * 31 * @see com.coremedia.iso.boxes.UserDataBox 32 */ 33 public class AuthorBox extends AbstractFullBox { 34 public static final String TYPE = "auth"; 35 36 private String language; 37 private String author; 38 AuthorBox()39 public AuthorBox() { 40 super(TYPE); 41 } 42 43 /** 44 * Declares the language code for the {@link #getAuthor()} return value. See ISO 639-2/T for the set of three 45 * character codes.Each character is packed as the difference between its ASCII value and 0x60. The code is 46 * confined to being three lower-case letters, so these values are strictly positive. 47 * 48 * @return the language code 49 */ getLanguage()50 public String getLanguage() { 51 return language; 52 } 53 54 /** 55 * Author information. 56 * 57 * @return the author 58 */ getAuthor()59 public String getAuthor() { 60 return author; 61 } 62 setLanguage(String language)63 public void setLanguage(String language) { 64 this.language = language; 65 } 66 setAuthor(String author)67 public void setAuthor(String author) { 68 this.author = author; 69 } 70 getContentSize()71 protected long getContentSize() { 72 return 7 + Utf8.utf8StringLengthInBytes(author); 73 } 74 75 @Override _parseDetails(ByteBuffer content)76 public void _parseDetails(ByteBuffer content) { 77 parseVersionAndFlags(content); 78 language = IsoTypeReader.readIso639(content); 79 author = IsoTypeReader.readString(content); 80 } 81 82 @Override getContent(ByteBuffer byteBuffer)83 protected void getContent(ByteBuffer byteBuffer) { 84 writeVersionAndFlags(byteBuffer); 85 IsoTypeWriter.writeIso639(byteBuffer, language); 86 byteBuffer.put(Utf8.convert(author)); 87 byteBuffer.put((byte) 0); 88 } 89 90 toString()91 public String toString() { 92 return "AuthorBox[language=" + getLanguage() + ";author=" + getAuthor() + "]"; 93 } 94 } 95