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diff --git a/libraries/phpvideotoolkit/adapters/ffmpeg-php/php-reader/src/ID3/Frame/AENC.php b/libraries/phpvideotoolkit/adapters/ffmpeg-php/php-reader/src/ID3/Frame/AENC.php
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--- a/libraries/phpvideotoolkit/adapters/ffmpeg-php/php-reader/src/ID3/Frame/AENC.php
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@@ -1,171 +0,0 @@
-<?php
-/**
- * PHP Reader Library
- *
- * Copyright (c) 2008 The PHP Reader Project Workgroup. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are met:
- *
- * - Redistributions of source code must retain the above copyright notice,
- * this list of conditions and the following disclaimer.
- * - Redistributions in binary form must reproduce the above copyright notice,
- * this list of conditions and the following disclaimer in the documentation
- * and/or other materials provided with the distribution.
- * - Neither the name of the project workgroup nor the names of its
- * contributors may be used to endorse or promote products derived from this
- * software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
- * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
- * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
- * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
- * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
- * POSSIBILITY OF SUCH DAMAGE.
- *
- * @package php-reader
- * @subpackage ID3
- * @copyright Copyright (c) 2008 The PHP Reader Project Workgroup
- * @license http://code.google.com/p/php-reader/wiki/License New BSD License
- * @version $Id: AENC.php 105 2008-07-30 14:56:47Z svollbehr $
- */
-
-/**#@+ @ignore */
-require_once("ID3/Frame.php");
-/**#@-*/
-
-/**
- * The <i>Audio encryption</i> indicates if the actual audio stream is
- * encrypted, and by whom.
- *
- * The identifier is a URL containing an email address, or a link to a location
- * where an email address can be found, that belongs to the organisation
- * responsible for this specific encrypted audio file. Questions regarding the
- * encrypted audio should be sent to the email address specified. There may be
- * more than one AENC frame in a tag, but only one with the same owner
- * identifier.
- *
- * @package php-reader
- * @subpackage ID3
- * @author Sven Vollbehr <svollbehr@gmail.com>
- * @author Ryan Butterfield <buttza@gmail.com>
- * @copyright Copyright (c) 2008 The PHP Reader Project Workgroup
- * @license http://code.google.com/p/php-reader/wiki/License New BSD License
- * @version $Rev: 105 $
- */
-final class ID3_Frame_AENC extends ID3_Frame
-{
- /** @var string */
- private $_owner;
-
- /** @var integer */
- private $_previewStart;
-
- /** @var integer */
- private $_previewLength;
-
- /** @var string */
- private $_encryptionInfo;
-
- /**
- * Constructs the class with given parameters and parses object related data.
- *
- * @param Reader $reader The reader object.
- * @param Array $options The options array.
- */
- public function __construct($reader = null, &$options = array())
- {
- parent::__construct($reader, $options);
-
- if ($reader === null)
- return;
-
- list($this->_owner, $this->_data) = $this->explodeString8($this->_data, 2);
- $this->_previewStart = Transform::fromUInt16BE(substr($this->_data, 0, 2));
- $this->_previewLength = Transform::fromUInt16BE(substr($this->_data, 2, 2));
- $this->_encryptionInfo = substr($this->_data, 4);
- }
-
- /**
- * Returns the owner identifier string.
- *
- * @return string
- */
- public function getOwner() { return $this->_owner; }
-
- /**
- * Sets the owner identifier string.
- *
- * @param string $owner The owner identifier string.
- */
- public function setOwner($owner) { $this->_owner = $owner; }
-
- /**
- * Returns the pointer to an unencrypted part of the audio in frames.
- *
- * @return integer
- */
- public function getPreviewStart() { return $this->_previewStart; }
-
- /**
- * Sets the pointer to an unencrypted part of the audio in frames.
- *
- * @param integer $previewStart The pointer to an unencrypted part.
- */
- public function setPreviewStart($previewStart)
- {
- $this->_previewStart = $previewStart;
- }
-
- /**
- * Returns the length of the preview in frames.
- *
- * @return integer
- */
- public function getPreviewLength() { return $this->_previewLength; }
-
- /**
- * Sets the length of the preview in frames.
- *
- * @param integer $previewLength The length of the preview.
- */
- public function setPreviewLength($previewLength)
- {
- $this->_previewLength = $previewLength;
- }
-
- /**
- * Returns the encryption info.
- *
- * @return string
- */
- public function getEncryptionInfo() { return $this->_encryptionInfo; }
-
- /**
- * Sets the encryption info binary string.
- *
- * @param string $encryptionInfo The data string.
- */
- public function setEncryptionInfo($encryptionInfo)
- {
- $this->_encryptionInfo = $encryptionInfo;
- }
-
- /**
- * Returns the frame raw data.
- *
- * @return string
- */
- public function __toString()
- {
- $this->setData
- ($this->_owner . "\0" . Transform::toUInt16BE($this->_previewStart) .
- Transform::toUInt16BE($this->_previewLength) . $this->_encryptionInfo);
- return parent::__toString();
- }
-}