1dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu/* 2dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu * Copyright 2008 CoreMedia AG, Hamburg 3dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu * 4dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu * Licensed under the Apache License, Version 2.0 (the License); 5dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu * you may not use this file except in compliance with the License. 6dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu * You may obtain a copy of the License at 7dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu * 8dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu * http://www.apache.org/licenses/LICENSE-2.0 9dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu * 10dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu * Unless required by applicable law or agreed to in writing, software 11dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu * distributed under the License is distributed on an AS IS BASIS, 12dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu * See the License for the specific language governing permissions and 14dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu * limitations under the License. 15dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu */ 16dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu 17dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhupackage com.coremedia.iso.boxes; 18dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu 19dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu 20dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhuimport com.coremedia.iso.IsoTypeReader; 21dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhuimport com.coremedia.iso.IsoTypeWriter; 22dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhuimport com.coremedia.iso.Utf8; 23dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhuimport com.googlecode.mp4parser.AbstractFullBox; 24dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu 25dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhuimport java.nio.ByteBuffer; 26dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu 27dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu/** 28dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu * Meta information in a 'udta' box about a track. 29dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu * Defined in 3GPP 26.244. 30dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu * 31dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu * @see com.coremedia.iso.boxes.UserDataBox 32dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu */ 33dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhupublic class AuthorBox extends AbstractFullBox { 34dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu public static final String TYPE = "auth"; 35dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu 36dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu private String language; 37dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu private String author; 38dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu 39dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu public AuthorBox() { 40dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu super(TYPE); 41dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu } 42dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu 43dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu /** 44dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu * Declares the language code for the {@link #getAuthor()} return value. See ISO 639-2/T for the set of three 45dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu * character codes.Each character is packed as the difference between its ASCII value and 0x60. The code is 46dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu * confined to being three lower-case letters, so these values are strictly positive. 47dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu * 48dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu * @return the language code 49dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu */ 50dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu public String getLanguage() { 51dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu return language; 52dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu } 53dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu 54dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu /** 55dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu * Author information. 56dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu * 57dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu * @return the author 58dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu */ 59dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu public String getAuthor() { 60dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu return author; 61dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu } 62dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu 63dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu public void setLanguage(String language) { 64dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu this.language = language; 65dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu } 66dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu 67dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu public void setAuthor(String author) { 68dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu this.author = author; 69dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu } 70dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu 71dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu protected long getContentSize() { 72dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu return 7 + Utf8.utf8StringLengthInBytes(author); 73dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu } 74dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu 75dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu @Override 76dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu public void _parseDetails(ByteBuffer content) { 77dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu parseVersionAndFlags(content); 78dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu language = IsoTypeReader.readIso639(content); 79dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu author = IsoTypeReader.readString(content); 80dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu } 81dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu 82dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu @Override 83dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu protected void getContent(ByteBuffer byteBuffer) { 84dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu writeVersionAndFlags(byteBuffer); 85dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu IsoTypeWriter.writeIso639(byteBuffer, language); 86dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu byteBuffer.put(Utf8.convert(author)); 87dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu byteBuffer.put((byte) 0); 88dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu } 89dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu 90dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu 91dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu public String toString() { 92dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu return "AuthorBox[language=" + getLanguage() + ";author=" + getAuthor() + "]"; 93dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu } 94dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu} 95