diff options
Diffstat (limited to 'libraries/phpvideotoolkit/adapters/ffmpeg-php/php-reader/src/ID3/Frame/GRID.php')
-rw-r--r-- | libraries/phpvideotoolkit/adapters/ffmpeg-php/php-reader/src/ID3/Frame/GRID.php | 152 |
1 files changed, 152 insertions, 0 deletions
diff --git a/libraries/phpvideotoolkit/adapters/ffmpeg-php/php-reader/src/ID3/Frame/GRID.php b/libraries/phpvideotoolkit/adapters/ffmpeg-php/php-reader/src/ID3/Frame/GRID.php new file mode 100644 index 0000000..513654d --- /dev/null +++ b/libraries/phpvideotoolkit/adapters/ffmpeg-php/php-reader/src/ID3/Frame/GRID.php @@ -0,0 +1,152 @@ +<?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: GRID.php 105 2008-07-30 14:56:47Z svollbehr $ + */ + +/**#@+ @ignore */ +require_once("ID3/Frame.php"); +/**#@-*/ + +/** + * The <i>Group identification registration</i> frame enables grouping of + * otherwise unrelated frames. This can be used when some frames are to be + * signed. To identify which frames belongs to a set of frames a group + * identifier must be registered in the tag with this frame. + * + * The owner 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 grouping. Questions regarding the grouping + * should be sent to the indicated email address. + * + * The group symbol contains a value that associates the frame with this group + * throughout the whole tag, in the range $80-F0. All other values are reserved. + * The group symbol may optionally be followed by some group specific data, e.g. + * a digital signature. There may be several GRID frames in a tag but only one + * containing the same symbol and only one containing the same owner identifier. + * The group symbol must be used somewhere in the tag. See + * {@link ID3_Frame#GROUPING_ownerENTITY} for more information. + * + * @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_GRID extends ID3_Frame +{ + /** @var string */ + private $_owner; + + /** @var integer */ + private $_group; + + /** @var string */ + private $_groupData; + + /** + * 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); + $this->_group = Transform::fromUInt8($this->_data[0]); + $this->_groupData = substr($this->_data, 1); + } + + /** + * 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 group symbol. + * + * @return integer + */ + public function getGroup() { return $this->_group; } + + /** + * Sets the group symbol. + * + * @param integer $group The group symbol. + */ + public function setGroup($group) { $this->_group = $group; } + + /** + * Returns the group dependent data. + * + * @return string + */ + public function getGroupData() { return $this->_groupData; } + + /** + * Sets the group dependent data. + * + * @param string $groupData The data. + */ + public function setGroupData($groupData) { $this->_groupData = $groupData; } + + /** + * Returns the frame raw data. + * + * @return string + */ + public function __toString() + { + parent::setData + ($this->_owner . "\0" . Transform::toUInt8($this->_group) . + $this->_groupData); + return parent::__toString(); + } +} |