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 Zhuimport com.coremedia.iso.IsoTypeReader; 20dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhuimport com.coremedia.iso.IsoTypeWriter; 21dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhuimport com.coremedia.iso.Utf8; 22dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhuimport com.googlecode.mp4parser.AbstractFullBox; 23dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu 24dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhuimport java.nio.ByteBuffer; 25dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu 26dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu/** 27dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu * Meta information in a 'udta' box about a track. 28dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu * Defined in 3GPP 26.244. 29dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu * 30dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu * @see com.coremedia.iso.boxes.UserDataBox 31dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu */ 32dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhupublic class AlbumBox extends AbstractFullBox { 33dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu public static final String TYPE = "albm"; 34dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu 35dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu private String language; 36dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu private String albumTitle; 37dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu private int trackNumber; 38dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu 39dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu public AlbumBox() { 40dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu super(TYPE); 41dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu } 42dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu 43dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu /** 44dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu * Declares the language code for the {@link #getAlbumTitle()} 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 public String getAlbumTitle() { 55dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu return albumTitle; 56dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu } 57dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu 58dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu public int getTrackNumber() { 59dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu return trackNumber; 60dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu } 61dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu 62dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu public void setLanguage(String language) { 63dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu this.language = language; 64dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu } 65dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu 66dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu public void setAlbumTitle(String albumTitle) { 67dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu this.albumTitle = albumTitle; 68dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu } 69dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu 70dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu public void setTrackNumber(int trackNumber) { 71dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu this.trackNumber = trackNumber; 72dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu } 73dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu 74dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu protected long getContentSize() { 75dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu return 6 + Utf8.utf8StringLengthInBytes(albumTitle) + 1 + (trackNumber == -1 ? 0 : 1); 76dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu } 77dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu 78dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu @Override 79dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu public void _parseDetails(ByteBuffer content) { 80dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu parseVersionAndFlags(content); 81dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu language = IsoTypeReader.readIso639(content); 82dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu albumTitle = IsoTypeReader.readString(content); 83dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu 84dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu if (content.remaining() > 0) { 85dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu trackNumber = IsoTypeReader.readUInt8(content); 86dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu } else { 87dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu trackNumber = -1; 88dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu } 89dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu } 90dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu 91dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu @Override 92dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu protected void getContent(ByteBuffer byteBuffer) { 93dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu writeVersionAndFlags(byteBuffer); 94dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu IsoTypeWriter.writeIso639(byteBuffer, language); 95dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu byteBuffer.put(Utf8.convert(albumTitle)); 96dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu byteBuffer.put((byte) 0); 97dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu if (trackNumber != -1) { 98dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu IsoTypeWriter.writeUInt8(byteBuffer, trackNumber); 99dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu } 100dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu } 101dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu 102dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu public String toString() { 103dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu StringBuilder buffer = new StringBuilder(); 104dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu buffer.append("AlbumBox[language=").append(getLanguage()).append(";"); 105dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu buffer.append("albumTitle=").append(getAlbumTitle()); 106dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu if (trackNumber >= 0) { 107dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu buffer.append(";trackNumber=").append(getTrackNumber()); 108dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu } 109dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu buffer.append("]"); 110dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu return buffer.toString(); 111dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu } 112dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu} 113