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A generic parser and writer for all ISO 14496 based files (MP4, Quicktime, DCF, PDCF, ...)

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/*  
 * Copyright 2008 CoreMedia AG, Hamburg
 *
 * Licensed under the Apache License, Version 2.0 (the License); 
 * you may not use this file except in compliance with the License. 
 * You may obtain a copy of the License at 
 * 
 *     http://www.apache.org/licenses/LICENSE-2.0 
 * 
 * Unless required by applicable law or agreed to in writing, software 
 * distributed under the License is distributed on an AS IS BASIS, 
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 
 * See the License for the specific language governing permissions and 
 * limitations under the License. 
 */

package com.coremedia.iso.boxes;

import com.coremedia.iso.IsoTypeReader;
import com.coremedia.iso.IsoTypeWriter;
import com.coremedia.iso.Utf8;
import com.googlecode.mp4parser.AbstractFullBox;

import java.nio.ByteBuffer;

/**
 * 

4cc = "{@value #TYPE}"

* Meta information in a 'udta' box about a track. * Defined in 3GPP 26.244. * * @see com.coremedia.iso.boxes.UserDataBox */ public class AlbumBox extends AbstractFullBox { public static final String TYPE = "albm"; private String language; private String albumTitle; private int trackNumber; public AlbumBox() { super(TYPE); } /** * Declares the language code for the {@link #getAlbumTitle()} return value. See ISO 639-2/T for the set of three * character codes.Each character is packed as the difference between its ASCII value and 0x60. The code is * confined to being three lower-case letters, so these values are strictly positive. * * @return the language code */ public String getLanguage() { return language; } public String getAlbumTitle() { return albumTitle; } public int getTrackNumber() { return trackNumber; } public void setLanguage(String language) { this.language = language; } public void setAlbumTitle(String albumTitle) { this.albumTitle = albumTitle; } public void setTrackNumber(int trackNumber) { this.trackNumber = trackNumber; } protected long getContentSize() { return 6 + Utf8.utf8StringLengthInBytes(albumTitle) + 1 + (trackNumber == -1 ? 0 : 1); } @Override public void _parseDetails(ByteBuffer content) { parseVersionAndFlags(content); language = IsoTypeReader.readIso639(content); albumTitle = IsoTypeReader.readString(content); if (content.remaining() > 0) { trackNumber = IsoTypeReader.readUInt8(content); } else { trackNumber = -1; } } @Override protected void getContent(ByteBuffer byteBuffer) { writeVersionAndFlags(byteBuffer); IsoTypeWriter.writeIso639(byteBuffer, language); byteBuffer.put(Utf8.convert(albumTitle)); byteBuffer.put((byte) 0); if (trackNumber != -1) { IsoTypeWriter.writeUInt8(byteBuffer, trackNumber); } } public String toString() { StringBuilder buffer = new StringBuilder(); buffer.append("AlbumBox[language=").append(getLanguage()).append(";"); buffer.append("albumTitle=").append(getAlbumTitle()); if (trackNumber >= 0) { buffer.append(";trackNumber=").append(getTrackNumber()); } buffer.append("]"); return buffer.toString(); } }




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