Add support for ID3v1
git-svn-id: http://php-reader.googlecode.com/svn/trunk@7 51a70ab9-7547-0410-9469-37e369ee0574
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svollbehr
181
src/ID3v1.php
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181
src/ID3v1.php
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<?php
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/**
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* $Id$
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*
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*
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* Copyright (C) 2008 BEHR Software Systems. All Rights Reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* - Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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* - Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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* - Neither the name of the BEHR Software Systems nor the names of its
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* contributors may be used to endorse or promote products derived from this
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* software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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* @package php-reader
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*/
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/**#@+ @ignore */
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require_once("Reader.php");
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/**#@-*/
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/**
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* This class represents a file containing ID3v1 headers as described in
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* {@link http://www.id3.org/id3v2-00 The ID3-Tag Specification Appendix}.
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*
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* @package php-reader
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* @author Sven Vollbehr <sven.vollbehr@behrss.eu>
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* @copyright 2008 BEHR Software Systems
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* @license http://www.opensource.org/licenses/bsd-license.php New BSD License
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* @version $Rev$
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*/
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class ID3v1
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{
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/** @var string The title */
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private $_title;
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/** @var string The artist */
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private $_artist;
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/** @var string The album */
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private $_album;
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/** @var string The year */
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private $_year;
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/** @var string The comment */
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private $_comment;
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/** @var integer The track number */
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private $_track;
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/** @var integer The genre index */
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private $_genre = 128;
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/** @var Array The genre list */
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public static $genres = array
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("Blues", "Classic Rock", "Country", "Dance", "Disco", "Funk", "Grunge",
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"Hip-Hop", "Jazz", "Metal", "New Age", "Oldies", "Other", "Pop", "R&B",
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"Rap", "Reggae", "Rock", "Techno", "Industrial", "Alternative", "Ska",
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"Death Metal", "Pranks", "Soundtrack", "Euro-Techno", "Ambient",
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"Trip-Hop", "Vocal", "Jazz+Funk", "Fusion", "Trance", "Classical",
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"Instrumental", "Acid", "House", "Game", "Sound Clip", "Gospel", "Noise",
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"AlternRock", "Bass", "Soul", "Punk", "Space", "Meditative",
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"Instrumental Pop", "Instrumental Rock", "Ethnic", "Gothic", "Darkwave",
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"Techno-Industrial", "Electronic", "Pop-Folk", "Eurodance", "Dream",
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"Southern Rock", "Comedy", "Cult", "Gangsta", "Top ", "Christian Rap",
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"Pop/Funk", "Jungle", "Native American", "Cabaret", "New Wave",
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"Psychadelic", "Rave", "Showtunes", "Trailer", "Lo-Fi", "Tribal",
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"Acid Punk", "Acid Jazz", "Polka", "Retro", "Musical", "Rock & Roll",
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"Hard Rock", "Folk", "Folk-Rock", "National Folk", "Swing", "Fast Fusion",
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"Bebob", "Latin", "Revival", "Celtic", "Bluegrass", "Avantgarde",
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"Gothic Rock", "Progressive Rock", "Psychedelic Rock", "Symphonic Rock",
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"Slow Rock", "Big Band", "Chorus", "Easy Listening", "Acoustic", "Humour",
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"Speech", "Chanson", "Opera", "Chamber Music", "Sonata", "Symphony",
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"Booty Bass", "Primus", "Porn Groove", "Satire", "Slow Jam", "Club",
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"Tango", "Samba", "Folklore", "Ballad", "Power Ballad", "Rhythmic Soul",
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"Freestyle", "Duet", "Punk Rock", "Drum Solo", "A capella", "Euro-House",
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"Dance Hall", "Unknown");
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/** @var Reader The Reader object */
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private $_reader;
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/**
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* The default constructor. Initiates the reader for the given file.
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*/
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public function __construct($filename)
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{
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$this->_reader = new Reader($filename);
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$this->_reader->setOffset(-128);
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if ($this->_reader->getString8(3) != "TAG")
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throw new ID3_Exception("File does not contain ID3v1 tag: " . $filename);
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$this->_title = rtrim($this->_reader->getString8(30), " \0");
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$this->_artist = rtrim($this->_reader->getString8(30), " \0");
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$this->_album = rtrim($this->_reader->getString8(30), " \0");
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$this->_year = $this->_reader->getString8(4);
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$this->_comment = rtrim($this->_reader->getString8(28), " \0");
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/* ID3v1.1 support for tracks */
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$v11_null = $this->_reader->getInt8();
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$v11_track = $this->_reader->getInt8();
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if (ord($v11_null) == 0 && ord($v11_track) != 0)
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$this->_track = ord($v11_track);
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else
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$this->_comment = rtrim($this->_comment . $v11_null . $v11_track, " \0");
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$this->_genre = ord($this->_reader->getInt8());
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}
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/**
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* Returns the title field.
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*
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* @return string Returns the title field.
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*/
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public function getTitle() { return $this->_title; }
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/**
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* Returns the artist field.
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*
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* @return string Returns the artist field.
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*/
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public function getArtist() { return $this->_artist; }
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/**
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* Returns the album field.
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*
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* @return string Returns the album field.
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*/
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public function getAlbum() { return $this->_album; }
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/**
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* Returns the year field.
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*
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* @return string Returns the year field.
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*/
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public function getYear() { return $this->_year; }
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/**
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* Returns the comment field.
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*
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* @return string Returns the comment field.
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*/
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public function getComment() { return $this->_comment; }
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/**
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* Returns the track field.
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*
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* @note ID3v1.1 feature only
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* @return integer Returns the track field.
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*/
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public function getTrack() { return $this->_track; }
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/**
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* Returns the genre.
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*
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* @return string Returns the genre.
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*/
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public function getGenre() {
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if (isset(self::$genres[$this->_genre]))
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return self::$genres[$this->_genre];
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else
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return self::$genres[128]; // unknown
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}
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}
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