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diff --git a/libraries/phpvideotoolkit/adapters/ffmpeg-php/php-reader/src/ID3/Frame/POSS.php b/libraries/phpvideotoolkit/adapters/ffmpeg-php/php-reader/src/ID3/Frame/POSS.php
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+++ b/libraries/phpvideotoolkit/adapters/ffmpeg-php/php-reader/src/ID3/Frame/POSS.php
@@ -0,0 +1,132 @@
+<?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: POSS.php 105 2008-07-30 14:56:47Z svollbehr $
+ */
+
+/**#@+ @ignore */
+require_once("ID3/Frame.php");
+require_once("ID3/Timing.php");
+/**#@-*/
+
+/**
+ * The <i>Position synchronisation frame</i> delivers information to the
+ * listener of how far into the audio stream he picked up; in effect, it states
+ * the time offset from the first frame in the stream. There may only be one
+ * POSS frame in each tag.
+ *
+ * @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_POSS extends ID3_Frame
+ implements ID3_Timing
+{
+ /** @var integer */
+ private $_format = ID3_Timing::MPEG_FRAMES;
+
+ /** @var integer */
+ private $_position;
+
+ /**
+ * 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;
+
+ $this->_format = Transform::fromUInt8($this->_data[0]);
+ $this->_position = Transform::fromUInt32BE(substr($this->_data, 1, 4));
+ }
+
+ /**
+ * Returns the timing format.
+ *
+ * @return integer
+ */
+ public function getFormat() { return $this->_format; }
+
+ /**
+ * Sets the timing format.
+ *
+ * @see ID3_Timing
+ * @param integer $format The timing format.
+ */
+ public function setFormat($format) { $this->_format = $format; }
+
+ /**
+ * Returns the position where in the audio the listener starts to receive,
+ * i.e. the beginning of the next frame.
+ *
+ * @return integer
+ */
+ public function getPosition() { return $this->_position; }
+
+ /**
+ * Sets the position where in the audio the listener starts to receive,
+ * i.e. the beginning of the next frame, using given format.
+ *
+ * @param integer $position The position.
+ * @param integer $format The timing format.
+ */
+ public function setPosition($position, $format = false)
+ {
+ $this->_position = $position;
+ if ($format !== false)
+ $this->_format = $format;
+ }
+
+ /**
+ * Returns the frame raw data.
+ *
+ * @return string
+ */
+ public function __toString()
+ {
+ $this->setData
+ (Transform::toUInt8($this->_format) .
+ Transform::toUInt32BE($this->_position));
+ return parent::__toString();
+ }
+}