Add Zend_Media_Id3v2 class proposal
git-svn-id: http://php-reader.googlecode.com/svn/branches/zend@153 51a70ab9-7547-0410-9469-37e369ee0574
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svollbehr
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src/Zend/Media/Id3/Frame/Rvrb.php
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331
src/Zend/Media/Id3/Frame/Rvrb.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 ID3
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* @copyright Copyright (c) 2005-2009 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/Id3/Frame.php';
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/**#@-*/
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/**
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* The <i>Reverb</i> is yet another subjective frame, with which you can adjust
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* echoes of different kinds. Reverb left/right is the delay between every
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* bounce in milliseconds. Reverb bounces left/right is the number of bounces
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* that should be made. $FF equals an infinite number of bounces. Feedback is
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* the amount of volume that should be returned to the next echo bounce. $00 is
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* 0%, $FF is 100%. If this value were $7F, there would be 50% volume reduction
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* on the first bounce, 50% of that on the second and so on. Left to left means
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* the sound from the left bounce to be played in the left speaker, while left
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* to right means sound from the left bounce to be played in the right speaker.
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*
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* Premix left to right is the amount of left sound to be mixed in the right
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* before any reverb is applied, where $00 id 0% and $FF is 100%. Premix right
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* to left does the same thing, but right to left. Setting both premix to $FF
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* would result in a mono output (if the reverb is applied symmetric). There
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* may only be one RVRB frame in each tag.
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*
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* @category Zend
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* @package Zend_Media
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* @subpackage ID3
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* @author Sven Vollbehr <sven@vollbehr.eu>
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* @author Ryan Butterfield <buttza@gmail.com>
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* @copyright Copyright (c) 2005-2009 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_Id3_Frame_Rvrb extends Zend_Media_Id3_Frame
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{
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/** @var integer */
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private $_reverbLeft;
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/** @var integer */
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private $_reverbRight;
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/** @var integer */
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private $_reverbBouncesLeft;
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/** @var integer */
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private $_reverbBouncesRight;
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/** @var integer */
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private $_reverbFeedbackLtoL;
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/** @var integer */
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private $_reverbFeedbackLtoR;
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/** @var integer */
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private $_reverbFeedbackRtoR;
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/** @var integer */
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private $_reverbFeedbackRtoL;
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/** @var integer */
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private $_premixLtoR;
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/** @var integer */
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private $_premixRtoL;
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/**
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* Constructs the class with given parameters and parses object related
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* data.
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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, $options);
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if ($this->_reader === null) {
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return;
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}
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$this->_reverbLeft = $this->_reader->readUInt16BE();
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$this->_reverbRight = $this->_reader->readUInt16BE();
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$this->_reverbBouncesLeft = $this->_reader->readUInt8();
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$this->_reverbBouncesRight = $this->_reader->readUInt8();
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$this->_reverbFeedbackLtoL = $this->_reader->readUInt8();
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$this->_reverbFeedbackLtoR = $this->_reader->readUInt8();
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$this->_reverbFeedbackRtoR = $this->_reader->readUInt8();
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$this->_reverbFeedbackRtoL = $this->_reader->readUInt8();
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$this->_premixLtoR = $this->_reader->readUInt8();
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$this->_premixRtoL = $this->_reader->readUInt8();
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}
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/**
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* Returns the left reverb.
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*
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* @return integer
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*/
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public function getReverbLeft()
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{
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return $this->_reverbLeft;
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}
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/**
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* Sets the left reverb.
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*
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* @param integer $reverbLeft The left reverb.
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*/
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public function setReverbLeft($reverbLeft)
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{
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return $this->_reverbLeft = $reverbLeft;
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}
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/**
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* Returns the right reverb.
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*
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* @return integer
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*/
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public function getReverbRight()
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{
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return $this->_reverbRight;
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}
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/**
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* Sets the right reverb.
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*
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* @param integer $reverbRight The right reverb.
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*/
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public function setReverbRight($reverbRight)
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{
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return $this->_reverbRight = $reverbRight;
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}
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/**
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* Returns the left reverb bounces.
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*
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* @return integer
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*/
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public function getReverbBouncesLeft()
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{
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return $this->_reverbBouncesLeft;
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}
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/**
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* Sets the left reverb bounces.
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*
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* @param integer $reverbBouncesLeft The left reverb bounces.
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*/
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public function setReverbBouncesLeft($reverbBouncesLeft)
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{
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$this->_reverbBouncesLeft = $reverbBouncesLeft;
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}
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/**
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* Returns the right reverb bounces.
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*
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* @return integer
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*/
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public function getReverbBouncesRight()
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{
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return $this->_reverbBouncesRight;
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}
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/**
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* Sets the right reverb bounces.
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*
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* @param integer $reverbBouncesRight The right reverb bounces.
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*/
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public function setReverbBouncesRight($reverbBouncesRight)
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{
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$this->_reverbBouncesRight = $reverbBouncesRight;
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}
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/**
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* Returns the left-to-left reverb feedback.
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*
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* @return integer
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*/
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public function getReverbFeedbackLtoL()
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{
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return $this->_reverbFeedbackLtoL;
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}
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/**
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* Sets the left-to-left reverb feedback.
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*
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* @param integer $reverbFeedbackLtoL The left-to-left reverb feedback.
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*/
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public function setReverbFeedbackLtoL($reverbFeedbackLtoL)
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{
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$this->_reverbFeedbackLtoL = $reverbFeedbackLtoL;
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}
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/**
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* Returns the left-to-right reverb feedback.
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*
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* @return integer
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*/
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public function getReverbFeedbackLtoR()
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{
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return $this->_reverbFeedbackLtoR;
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}
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/**
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* Sets the left-to-right reverb feedback.
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*
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* @param integer $reverbFeedbackLtoR The left-to-right reverb feedback.
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*/
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public function setReverbFeedbackLtoR($reverbFeedbackLtoR)
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{
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$this->_reverbFeedbackLtoR = $reverbFeedbackLtoR;
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}
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/**
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* Returns the right-to-right reverb feedback.
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*
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* @return integer
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*/
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public function getReverbFeedbackRtoR()
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{
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return $this->_reverbFeedbackRtoR;
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}
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/**
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* Sets the right-to-right reverb feedback.
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*
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* @param integer $reverbFeedbackRtoR The right-to-right reverb feedback.
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*/
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public function setReverbFeedbackRtoR($reverbFeedbackRtoR)
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{
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$this->_reverbFeedbackRtoR = $reverbFeedbackRtoR;
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}
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/**
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* Returns the right-to-left reverb feedback.
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*
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* @return integer
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*/
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public function getReverbFeedbackRtoL()
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{
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return $this->_reverbFeedbackRtoL;
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}
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/**
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* Sets the right-to-left reverb feedback.
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*
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* @param integer $reverbFeedbackRtoL The right-to-left reverb feedback.
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*/
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public function setReverbFeedbackRtoL($reverbFeedbackRtoL)
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{
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$this->_reverbFeedbackRtoL = $reverbFeedbackRtoL;
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}
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/**
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* Returns the left-to-right premix.
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*
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* @return integer
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*/
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public function getPremixLtoR()
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{
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return $this->_premixLtoR;
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}
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/**
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* Sets the left-to-right premix.
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*
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* @param integer $premixLtoR The left-to-right premix.
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*/
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public function setPremixLtoR($premixLtoR)
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{
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$this->_premixLtoR = $premixLtoR;
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}
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/**
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* Returns the right-to-left premix.
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*
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* @return integer
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*/
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public function getPremixRtoL()
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{
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return $this->_premixRtoL;
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}
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/**
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* Sets the right-to-left premix.
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*
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* @param integer $premixRtoL The right-to-left premix.
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*/
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public function setPremixRtoL($premixRtoL)
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{
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$this->_premixRtoL = $premixRtoL;
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}
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/**
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* Writes the frame raw data without the header.
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*
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* @param Zend_Io_Writer $writer The writer object.
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* @return void
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*/
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protected function _writeFrame($writer)
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{
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$writer->writeUInt16BE($this->_reverbLeft)
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->writeUInt16BE($this->_reverbRight)
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->writeUInt8($this->_reverbBouncesLeft)
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->writeUInt8($this->_reverbBouncesRight)
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->writeUInt8($this->_reverbFeedbackLtoL)
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->writeUInt8($this->_reverbFeedbackLtoR)
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->writeUInt8($this->_reverbFeedbackRtoR)
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->writeUInt8($this->_reverbFeedbackRtoL)
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->writeUInt8($this->_premixLtoR)
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->writeUInt8($this->_premixRtoL);
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}
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}
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