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Diffstat (limited to 'libraries/phpvideotoolkit/adapters/ffmpeg-php/php-reader/src/ISO14496/Box/SBGP.php')
| -rw-r--r-- | libraries/phpvideotoolkit/adapters/ffmpeg-php/php-reader/src/ISO14496/Box/SBGP.php | 132 |
1 files changed, 0 insertions, 132 deletions
diff --git a/libraries/phpvideotoolkit/adapters/ffmpeg-php/php-reader/src/ISO14496/Box/SBGP.php b/libraries/phpvideotoolkit/adapters/ffmpeg-php/php-reader/src/ISO14496/Box/SBGP.php deleted file mode 100644 index a7b21eb..0000000 --- a/libraries/phpvideotoolkit/adapters/ffmpeg-php/php-reader/src/ISO14496/Box/SBGP.php +++ /dev/null @@ -1,132 +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 ISO 14496 - * @copyright Copyright (c) 2008 The PHP Reader Project Workgroup - * @license http://code.google.com/p/php-reader/wiki/License New BSD License - * @version $Id: SBGP.php 92 2008-05-10 13:43:14Z svollbehr $ - */ - -/**#@+ @ignore */ -require_once("ISO14496/Box/Full.php"); -/**#@-*/ - -/** - * The <i>Sample To Group Box</i> table can be used to find the group that a - * sample belongs to and the associated description of that sample group. The - * table is compactly coded with each entry giving the index of the first sample - * of a run of samples with the same sample group descriptor. The sample group - * description ID is an index that refers to a {@link ISO14496_Box_SGPD Sample - * Group Description Box}, which contains entries describing the characteristics - * of each sample group. - * - * There may be multiple instances of this box if there is more than one sample - * grouping for the samples in a track. Each instance of the Sample To Group Box - * has a type code that distinguishes different sample groupings. Within a - * track, there shall be at most one instance of this box with a particular - * grouping type. The associated Sample Group Description shall indicate the - * same value for the grouping type. - * - * @package php-reader - * @subpackage ISO 14496 - * @author Sven Vollbehr <svollbehr@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: 92 $ - */ -final class ISO14496_Box_SBGP extends ISO14496_Box_Full -{ - /** @var integer */ - private $_groupingType; - - /** @var Array */ - private $_sampleToGroupTable = array(); - - /** - * Constructs the class with given parameters and reads box related data from - * the ISO Base Media file. - * - * @param Reader $reader The reader object. - */ - public function __construct($reader, &$options = array()) - { - parent::__construct($reader, $options); - - $groupingType = $this->_reader->readUInt32BE(); - $entryCount = $this->_reader->readUInt32BE(); - $data = $this->_reader->read - ($this->getOffset() + $this->getSize() - $this->_reader->getOffset()); - for ($i = 1; $i <= $entryCount; $i++) - $this->_sampleToGroupTable[$i] = array - ("sampleCount" => - Transform::fromUInt32BE(substr($data, ($i - 1) * 8, 4)), - "groupDescriptionIndex" => - Transform::fromUInt32BE(substr($data, $i * 8 - 4, 4))); - } - - /** - * Returns the grouping type that identifies the type (i.e. criterion used to - * form the sample groups) of the sample grouping and links it to its sample - * group description table with the same value for grouping type. At most one - * occurrence of this box with the same value for groupingType shall exist for - * a track. - * - * @return integer - */ - public function getGroupingType() - { - return $this->_groupingType; - } - - /** - * Returns an array of values. Each entry is an array containing the following - * keys. - * o sampleCount -- an integer that gives the number of consecutive samples - * with the same sample group descriptor. If the sum of the sample count - * in this box is less than the total sample count, then the reader should - * effectively extend it with an entry that associates the remaining - * samples with no group. It is an error for the total in this box to be - * greater than the sample_count documented elsewhere, and the reader - * behavior would then be undefined. - * o groupDescriptionIndex -- an integer that gives the index of the sample - * group entry which describes the samples in this group. The index ranges - * from 1 to the number of sample group entries in the - * {@link ISO14496_Box_SGPD Sample Group Description Box}, or takes the - * value 0 to indicate that this sample is a member of no group of this - * type. - * - * @return Array - */ - public function getSampleToGroupTable() - { - return $this->_sampleToGroupTable; - } -} |