Add Zend_Media_Asf class proposal
git-svn-id: http://php-reader.googlecode.com/svn/branches/zend@168 51a70ab9-7547-0410-9469-37e369ee0574
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svollbehr
240
src/Zend/Media/Asf/Object/ContentDescription.php
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240
src/Zend/Media/Asf/Object/ContentDescription.php
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<?php
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/**
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* Zend Framework
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*
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* LICENSE
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*
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* This source file is subject to the new BSD license that is bundled
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* with this package in the file LICENSE.txt.
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* It is also available through the world-wide-web at this URL:
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* http://framework.zend.com/license/new-bsd
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* If you did not receive a copy of the license and are unable to
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* obtain it through the world-wide-web, please send an email
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* to license@zend.com so we can send you a copy immediately.
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*
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* @category Zend
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* @package Zend_Media
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* @subpackage ASF
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* @copyright Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)
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* @license http://framework.zend.com/license/new-bsd New BSD License
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* @version $Id$
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*/
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/**#@+ @ignore */
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require_once 'Zend/Media/Asf/Object.php';
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/**#@-*/
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/**
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* The <i>Content Description Object</i> lets authors record well-known data
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* describing the file and its contents. This object is used to store standard
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* bibliographic information such as title, author, copyright, description, and
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* rating information. This information is pertinent to the entire file.
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*
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* @category Zend
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* @package Zend_Media
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* @subpackage ASF
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* @author Sven Vollbehr <sven@vollbehr.eu>
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* @copyright Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)
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* @license http://framework.zend.com/license/new-bsd New BSD License
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* @version $Id$
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*/
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final class Zend_Media_Asf_Object_ContentDescription
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extends Zend_Media_Asf_Object
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{
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/** @var string */
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private $_title;
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/** @var string */
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private $_author;
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/** @var string */
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private $_copyright;
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/** @var string */
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private $_description;
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/** @var string */
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private $_rating;
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/**
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* Constructs the class with given parameters and reads object related data
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* from the ASF file.
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*
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* @param Zend_Io_Reader $reader The reader object.
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* @param Array $options The options array.
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*/
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public function __construct($reader = null, &$options = array())
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{
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parent::__construct($reader, $options);
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if ($reader === null) {
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return;
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}
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$titleLen = $this->_reader->readUInt16LE();
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$authorLen = $this->_reader->readUInt16LE();
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$copyrightLen = $this->_reader->readUInt16LE();
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$descriptionLen = $this->_reader->readUInt16LE();
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$ratingLen = $this->_reader->readUInt16LE();
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$this->_title = iconv
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('utf-16le', $this->getOption('encoding'),
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$this->_reader->readString16($titleLen));
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$this->_author = iconv
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('utf-16le', $this->getOption('encoding'),
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$this->_reader->readString16($authorLen));
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$this->_copyright = iconv
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('utf-16le', $this->getOption('encoding'),
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$this->_reader->readString16($copyrightLen));
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$this->_description = iconv
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('utf-16le', $this->getOption('encoding'),
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$this->_reader->readString16($descriptionLen));
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$this->_rating = iconv
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('utf-16le', $this->getOption('encoding'),
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$this->_reader->readString16($ratingLen));
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}
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/**
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* Returns the title information.
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*
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* @return string
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*/
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public function getTitle()
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{
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return $this->_title;
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}
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/**
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* Sets the title information.
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*
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* @param string $title The title information.
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*/
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public function setTitle($title)
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{
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$this->_title = $title;
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}
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/**
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* Returns the author information.
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*
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* @return string
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*/
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public function getAuthor()
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{
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return $this->_author;
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}
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/**
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* Sets the author information.
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*
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* @param string $author The author information.
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*/
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public function setAuthor($author)
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{
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$this->_author = $author;
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}
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/**
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* Returns the copyright information.
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*
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* @return string
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*/
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public function getCopyright()
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{
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return $this->_copyright;
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}
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/**
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* Sets the copyright information.
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*
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* @param string $copyright The copyright information.
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*/
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public function setCopyright($copyright)
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{
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$this->_copyright = $copyright;
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}
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/**
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* Returns the description information.
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*
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* @return string
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*/
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public function getDescription()
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{
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return $this->_description;
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}
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/**
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* Sets the description information.
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*
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* @param string $description The description information.
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*/
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public function setDescription($description)
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{
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$this->_description = $description;
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}
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/**
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* Returns the rating information.
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*
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* @return string
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*/
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public function getRating()
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{
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return $this->_rating;
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}
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/**
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* Sets the rating information.
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*
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* @param string $rating The rating information.
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*/
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public function setRating($rating)
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{
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$this->_rating = $rating;
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}
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/**
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* Writes the object data.
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*
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* @param Zend_Io_Writer $writer The writer object.
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* @return void
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*/
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public function write($writer)
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{
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$title = iconv
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($this->getOption('encoding'), 'utf-16le',
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$this->_title ? $this->_title . "\0" : '');
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$author = iconv
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($this->getOption('encoding'), 'utf-16le',
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$this->_author ? $this->_author . "\0" : '');
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$copyright = iconv
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($this->getOption('encoding'), 'utf-16le',
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$this->_copyright ? $this->_copyright . "\0" : '');
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$description = iconv
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($this->getOption('encoding'), 'utf-16le',
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$this->_description ? $this->_description . "\0" : '');
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$rating = iconv
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($this->getOption('encoding'), 'utf-16le',
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$this->_rating ? $this->_rating . "\0" : '');
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require_once 'Zend/Io/StringWriter.php';
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$buffer = new Zend_Io_StringWriter();
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$buffer->writeUInt16LE(strlen($title))
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->writeUInt16LE(strlen($author))
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->writeUInt16LE(strlen($copyright))
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->writeUInt16LE(strlen($description))
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->writeUInt16LE(strlen($rating))
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->writeString16($title)
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->writeString16($author)
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->writeString16($copyright)
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->writeString16($description)
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->writeString16($rating);
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$this->setSize(24 /* for header */ + $buffer->getSize());
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$writer->writeGuid($this->getIdentifier())
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->writeInt64LE($this->getSize())
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->write($buffer->toString());
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}
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}
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