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+<?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: SINF.php 92 2008-05-10 13:43:14Z svollbehr $
+ */
+
+/**#@+ @ignore */
+require_once("ISO14496/Box.php");
+/**#@-*/
+
+/**
+ * The <i>Protection Scheme Information Box</i> contains all the information
+ * required both to understand the encryption transform applied and its
+ * parameters, and also to find other information such as the kind and location
+ * of the key management system. It also documents the original (unencrypted)
+ * format of the media. The Protection Scheme Info Box is a container Box. It is
+ * mandatory in a sample entry that uses a code indicating a protected stream.
+ *
+ * When used in a protected sample entry, this box must contain the original
+ * format box to document the original format. At least one of the following
+ * signaling methods must be used to identify the protection applied:
+ *
+ * a) MPEG-4 systems with IPMP: no other boxes, when IPMP descriptors in MPEG-4
+ * systems streams are used;
+ * b) Standalone IPMP: an {@link ISO14496_Box_IMIF IPMP Info Box}, when IPMP
+ * descriptors outside MPEG-4 systems are used;
+ * c) Scheme signaling: a {@link ISO14496_Box_SCHM Scheme Type Box} and
+ * {@link ISO14496_Box_SCHI Scheme Information Box}, when these are used
+ * (either both must occur, or neither).
+ *
+ * @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_SINF extends ISO14496_Box
+{
+ /**
+ * 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 = null, &$options = array())
+ {
+ parent::__construct($reader, $options);
+ $this->setContainer(true);
+
+ if ($reader === null)
+ return;
+
+ $this->constructBoxes();
+ }
+}