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diff --git a/libraries/phpvideotoolkit/adapters/ffmpeg-php/php-reader/src/ASF/Object/HeaderExtension.php b/libraries/phpvideotoolkit/adapters/ffmpeg-php/php-reader/src/ASF/Object/HeaderExtension.php
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+++ b/libraries/phpvideotoolkit/adapters/ffmpeg-php/php-reader/src/ASF/Object/HeaderExtension.php
@@ -0,0 +1,101 @@
+<?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 ASF
+ * @copyright Copyright (c) 2008 The PHP Reader Project Workgroup
+ * @license http://code.google.com/p/php-reader/wiki/License New BSD License
+ * @version $Id: HeaderExtension.php 108 2008-09-05 17:00:05Z svollbehr $
+ */
+
+/**#@+ @ignore */
+require_once("ASF/Object/Container.php");
+/**#@-*/
+
+/**
+ * The <i>Header Extension Object</i> allows additional functionality to be
+ * added to an ASF file while maintaining backward compatibility. The Header
+ * Extension Object is a container containing zero or more additional extended
+ * header objects.
+ *
+ * @package php-reader
+ * @subpackage ASF
+ * @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: 108 $
+ */
+final class ASF_Object_HeaderExtension extends ASF_Object_Container
+{
+ const EXTENDED_STREAM_PROPERTIES = "14e6a5cb-c672-4332-8399-a96952065b5a";
+ const ADVANCED_MUTUAL_EXCLUSION = "a08649cf-4775-4670-8a16-6e35357566cd";
+ const GROUP_MUTUAL_EXCLUSION = "d1465a40-5a79-4338-b71b-e36b8fd6c249";
+ const STREAM_PRIORITIZATION = "d4fed15b-88d3-454f-81f0-ed5c45999e24";
+ const BANDWIDTH_SHARING = "a69609e6-517b-11d2-b6af-00c04fd908e9";
+ const LANGUAGE_LIST = "7c4346a9-efe0-4bfc-b229-393ede415c85";
+ const METADATA = "c5f8cbea-5baf-4877-8467-aa8c44fa4cca";
+ const METADATA_LIBRARY = "44231c94-9498-49d1-a141-1d134e457054";
+ const INDEX_PARAMETERS = "d6e229df-35da-11d1-9034-00a0c90349be";
+ const MEDIA_OBJECT_INDEX_PARAMETERS = "6b203bad-3f11-48e4-aca8-d7613de2cfa7";
+ const TIMECODE_INDEX_PARAMETERS = "f55e496d-9797-4b5d-8c8b-604dfe9bfb24";
+ const COMPATIBILITY = "75b22630-668e-11cf-a6d9-00aa0062ce6c";
+ const ADVANCED_CONTENT_ENCRYPTION = "43058533-6981-49e6-9b74-ad12cb86d58c";
+ const PADDING = "1806d474-cadf-4509-a4ba-9aabcb96aae8";
+
+ /**
+ * Constructs the class with given parameters and reads object related data
+ * from the ASF file.
+ *
+ * @param Reader $reader The reader object.
+ * @param Array $options The options array.
+ */
+ public function __construct($reader, &$options = array())
+ {
+ parent::__construct($reader, $options);
+
+ $this->_reader->skip(22);
+ $this->constructObjects
+ (array
+ (self::EXTENDED_STREAM_PROPERTIES => "ExtendedStreamProperties",
+ self::ADVANCED_MUTUAL_EXCLUSION => "AdvancedMutualExclusion",
+ self::GROUP_MUTUAL_EXCLUSION => "GroupMutualExclusion",
+ self::STREAM_PRIORITIZATION => "StreamPrioritization",
+ self::BANDWIDTH_SHARING => "BandwidthSharing",
+ self::LANGUAGE_LIST => "LanguageList",
+ self::METADATA => "Metadata",
+ self::METADATA_LIBRARY => "MetadataLibrary",
+ self::INDEX_PARAMETERS => "IndexParameters",
+ self::MEDIA_OBJECT_INDEX_PARAMETERS => "MediaObjectIndexParameters",
+ self::TIMECODE_INDEX_PARAMETERS => "TimecodeIndexParameters",
+ self::COMPATIBILITY => "Compatibility",
+ self::ADVANCED_CONTENT_ENCRYPTION => "AdvancedContentEncryption",
+ self::PADDING => "Padding"));
+ }
+}