Add support for ID3v2.4
git-svn-id: http://php-reader.googlecode.com/svn/trunk@11 51a70ab9-7547-0410-9469-37e369ee0574
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svollbehr
173
src/ID3/Frame/SYLT.php
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173
src/ID3/Frame/SYLT.php
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<?php
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/**
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* PHP Reader Library
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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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* @subpackage ID3
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* @copyright Copyright (c) 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 $Id$
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*/
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/**#@+ @ignore */
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require_once("ID3/Frame.php");
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require_once("ID3/Encoding.php");
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require_once("ID3/Language.php");
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require_once("ID3/Timing.php");
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/**#@-*/
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/**
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* The <i>Synchronised lyrics/text</i> frame is another way of incorporating the
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* words, said or sung lyrics, in the audio file as text, this time, however,
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* in sync with the audio. It might also be used to describing events e.g.
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* occurring on a stage or on the screen in sync with the audio.
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*
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* There may be more than one SYLT frame in each tag, but only one with the
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* same language and content descriptor.
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*
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* @package php-reader
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* @subpackage ID3
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* @author Sven Vollbehr <sven.vollbehr@behrss.eu>
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* @copyright Copyright (c) 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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final class ID3_Frame_USER extends ID3_Frame
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implements ID3_Encoding, ID3_Language, ID3_Timing
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{
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/**
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* The list of content types.
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*
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* @var Array
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*/
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public static $types = array
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(0x00 => "Other",
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0x01 => "Lyrics",
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0x02 => "Text transcription",
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0x03 => "Movement/Part name",
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0x04 => "Eevents",
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0x05 => "Chord",
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0x06 => "Trivia",
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0x07 => "URLs to webpages",
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0x08 => "URLs to images");
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/** @var integer */
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private $_encoding;
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/** @var string */
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private $_language;
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/** @var integer */
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private $_format;
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/** @var integer */
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private $_type;
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/** @var string */
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private $_description;
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/** @var Array */
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private $_text = array();
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/**
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* Constructs the class with given parameters and parses object related data.
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*
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* @param Reader $reader The reader object.
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*/
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public function __construct($reader)
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{
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parent::__construct($reader);
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$this->_encoding = substr($this->_data, 0, 1);
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$this->_language = substr($this->_data, 1, 3);
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$this->_format = substr($this->_data, 3, 1);
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$this->_type = substr($this->_data, 4, 1);
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switch ($this->_encoding) {
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case self::UTF16:
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list($this->_description, $this->_data) =
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preg_split("/\\x00\\x00/", substr($this->_data, 5), 2);
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$this->_description = Transform::getString16LE($this->_description);
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break;
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case self::UTF16BE:
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list($this->_description, $this->_data) =
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preg_split("/\\x00\\x00/", substr($this->_data, 5), 2);
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$this->_description = Transform::getString16BE($this->_description);
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break;
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default:
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list($this->_description, $this->_data) =
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preg_split("/\\x00/", substr($this->_data, 5), 2);
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$this->_description = Transform::getString8($this->_description);
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}
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$this->_text = $this->_data; // FIXME: Better parsing of data
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}
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/**
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* Returns the text encoding.
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*
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* @return integer
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*/
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public function getEncoding() { return $this->_encoding; }
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/**
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* Returns the language code as specified in the
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* {@link http://www.loc.gov/standards/iso639-2/ ISO-639-2} standard.
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*
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* @see ID3_Language#ISO_639_2
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* @return string
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*/
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public function getLanguage() { return $this->_language; }
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/**
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* Returns the timing format.
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*
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* @return integer
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*/
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public function getFormat() { return $this->_format; }
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/**
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* Returns the content type code.
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*
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* @return integer
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*/
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public function getType() { return $this->_type; }
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/**
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* Returns the content description.
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*
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* @return string
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*/
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public function getDescription() { return $this->_description; }
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/**
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* Returns the texts with their timestamps.
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*
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* @return Array
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*/
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public function getText() { return $this->_text; }
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}
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