diff options
Diffstat (limited to 'libraries/phpvideotoolkit/adapters/ffmpeg-php/php-reader/src/ISO14496/Box/STTS.php')
| -rw-r--r-- | libraries/phpvideotoolkit/adapters/ffmpeg-php/php-reader/src/ISO14496/Box/STTS.php | 110 |
1 files changed, 0 insertions, 110 deletions
diff --git a/libraries/phpvideotoolkit/adapters/ffmpeg-php/php-reader/src/ISO14496/Box/STTS.php b/libraries/phpvideotoolkit/adapters/ffmpeg-php/php-reader/src/ISO14496/Box/STTS.php deleted file mode 100644 index ae0e39c..0000000 --- a/libraries/phpvideotoolkit/adapters/ffmpeg-php/php-reader/src/ISO14496/Box/STTS.php +++ /dev/null @@ -1,110 +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: STTS.php 92 2008-05-10 13:43:14Z svollbehr $ - */ - -/**#@+ @ignore */ -require_once("ISO14496/Box/Full.php"); -/**#@-*/ - -/** - * The <i>Decoding Time to Sample Box</i> contains a compact version of a table - * that allows indexing from decoding time to sample number. Other tables give - * sample sizes and pointers, from the sample number. Each entry in the table - * gives the number of consecutive samples with the same time delta, and the - * delta of those samples. By adding the deltas a complete time-to-sample map - * may be built. - * - * The Decoding Time to Sample Box contains decode time delta's: DT(n+1) = DT(n) - * + STTS(n) where STTS(n) is the (uncompressed) table entry for sample n. - * - * The sample entries are ordered by decoding time stamps; therefore the deltas - * are all non-negative. - * - * The DT axis has a zero origin; DT(i) = SUM(for j=0 to i-1 of delta(j)), and - * the sum of all deltas gives the length of the media in the track (not mapped - * to the overall timescale, and not considering any edit list). - * - * The {@link ISO14496_Box_ELST Edit List Box} provides the initial CT value if - * it is non-empty (non-zero). - * - * @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_STTS extends ISO14496_Box_Full -{ - /** @var Array */ - private $_timeToSampleTable = 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); - - $entryCount = $this->_reader->readUInt32BE(); - $data = $this->_reader->read - ($this->getOffset() + $this->getSize() - $this->_reader->getOffset()); - for ($i = 1; $i <= $entryCount; $i++) - $this->_timeToSampleTable[$i] = array - ("sampleCount" => - Transform::fromUInt32BE(substr($data, ($i - 1) * 8, 4)), - "sampleDelta" => - Transform::fromUInt32BE(substr($data, $i * 8 - 4, 4))); - } - - /** - * Returns an array of values. Each entry is an array containing the following - * keys. - * o sampleCount -- an integer that counts the number of consecutive samples - * that have the given duration. - * o sampleDelta -- an integer that gives the delta of these samples in the - * time-scale of the media. - * - * @return Array - */ - public function getTimeToSampleTable() - { - return $this->_timeToSampleTable; - } -} |