diff options
Diffstat (limited to 'libraries/phpvideotoolkit/adapters/ffmpeg-php/php-reader/src/ID3/Frame/AENC.php')
| -rw-r--r-- | libraries/phpvideotoolkit/adapters/ffmpeg-php/php-reader/src/ID3/Frame/AENC.php | 171 |
1 files changed, 171 insertions, 0 deletions
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 new file mode 100644 index 0000000..a3971ae --- /dev/null +++ b/libraries/phpvideotoolkit/adapters/ffmpeg-php/php-reader/src/ID3/Frame/AENC.php @@ -0,0 +1,171 @@ +<?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(); + } +} |