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diff --git a/libraries/phpvideotoolkit/adapters/ffmpeg-php/php-reader/src/ISO14496/Box/STZ2.php b/libraries/phpvideotoolkit/adapters/ffmpeg-php/php-reader/src/ISO14496/Box/STZ2.php
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--- a/libraries/phpvideotoolkit/adapters/ffmpeg-php/php-reader/src/ISO14496/Box/STZ2.php
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@@ -1,109 +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: STZ2.php 92 2008-05-10 13:43:14Z svollbehr $
- */
-
-/**#@+ @ignore */
-require_once("ISO14496/Box/Full.php");
-/**#@-*/
-
-/**
- * The <i>Sample Size Box</i> contains the sample count and a table giving the
- * size in bytes of each sample. This allows the media data itself to be
- * unframed. The total number of samples in the media is always indicated in the
- * sample count.
- *
- * There are two variants of the sample size box. This variant permits smaller
- * than 32-bit size fields, to save space when the sizes are varying but small.
- * One of the boxes must be present; the {@link ISO14496_Box_STSZ another
- * variant} is preferred for maximum compatibility.
- *
- * @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_STZ2 extends ISO14496_Box_Full
-{
- /** @var Array */
- private $_sampleSizeTable = 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);
-
- $this->_reader->skip(3);
- $fieldSize = $this->_reader->readInt8();
- $sampleCount = $this->_reader->readUInt32BE();
- $data = $this->_reader->read
- ($this->getOffset() + $this->getSize() - $this->_reader->getOffset());
- for ($i = 1; $i <= $sampleCount; $i++) {
- switch ($fieldSize) {
- case 4:
- $this->_sampleSizeTable[$i] =
- (($tmp = Transform::fromInt8($data[$i - 1])) >> 4) & 0xf;
- if ($i + 1 < $sampleCount)
- $this->_sampleSizeTable[$i++] = $tmp & 0xf;
- break;
- case 8:
- $this->_sampleSizeTable[$i] = Transform::fromInt8($data[$i - 1]);
- break;
- case 16:
- $this->_sampleSizeTable[$i] =
- Transform::fromUInt16BE(substr($data, ($i - 1) * 2, 2));
- break;
- }
- }
- }
-
- /**
- * Returns an array of sample sizes specifying the size of a sample, indexed
- * by its number.
- *
- * @return Array
- */
- public function getSampleSizeTable()
- {
- return $this->_sampleSizeTable;
- }
-}