1 files changed, 137 insertions, 0 deletions
diff --git a/libraries/phpvideotoolkit/adapters/ffmpeg-php/php-reader/src/ASF/Object/MetadataLibrary.php b/libraries/phpvideotoolkit/adapters/ffmpeg-php/php-reader/src/ASF/Object/MetadataLibrary.php
new file mode 100644
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--- /dev/null
+++ b/libraries/phpvideotoolkit/adapters/ffmpeg-php/php-reader/src/ASF/Object/MetadataLibrary.php
@@ -0,0 +1,137 @@
+<?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: MetadataLibrary.php 108 2008-09-05 17:00:05Z svollbehr $
+ */
+
+/**#@+ @ignore */
+require_once("ASF/Object.php");
+/**#@-*/
+
+/**
+ * The <i>Metadata Library Object</i> lets authors store stream-based,
+ * language-attributed, multiply defined, and large metadata attributes in a
+ * file.
+ * 
+ * This object supports the same types of metadata as the
+ * <i>{@link ASF_Object_Metadata Metadata Object}</i>, as well as attributes
+ * with language IDs, attributes that are defined more than once, large
+ * attributes, and attributes with the GUID data type.
+ *
+ * @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_MetadataLibrary extends ASF_Object
+{
+  /** @var Array */
+  private $_descriptionRecords = array();
+  
+  /**
+   * 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);
+    
+    $descriptionRecordsCount = $this->_reader->readUInt16LE();
+    for ($i = 0; $i < $descriptionRecordsCount; $i++) {
+      $descriptionRecord = array
+        ("languageIndex" => $this->_reader->readUInt16LE(),
+         "streamNumber" => $this->_reader->readUInt16LE());
+      $nameLength = $this->_reader->readUInt16LE();
+      $dataType = $this->_reader->readUInt16LE();
+      $dataLength = $this->_reader->readUInt32LE();
+      $descriptionRecord["name"] = iconv
+        ("utf-16le", $this->getOption("encoding"),
+         $this->_reader->readString16LE($nameLength));
+      switch ($dataType) {
+      case 0: // Unicode string
+        $descriptionRecord["data"] = iconv
+          ("utf-16le", $this->getOption("encoding"),
+           $this->_reader->readString16LE($dataLength));
+        break;
+      case 1: // BYTE array
+        $descriptionRecord["data"] = $this->_reader->read($dataLength);
+        break;
+      case 2: // BOOL
+        $descriptionRecord["data"] = $this->_reader->readUInt16LE() == 1;
+        break;
+      case 3: // DWORD
+        $descriptionRecord["data"] = $this->_reader->readUInt32LE();
+        break;
+      case 4: // QWORD
+        $descriptionRecord["data"] = $this->_reader->readInt64LE();
+        break;
+      case 5: // WORD
+        $descriptionRecord["data"] = $this->_reader->readUInt16LE();
+        break;
+      case 6: // GUID
+        $descriptionRecord["data"] = $this->_reader->readGUID();
+        break;
+      }
+      $this->_descriptionRecords[] = $descriptionRecord;
+    }
+  }
+  
+  /**
+   * Returns an array of description records. Each record consists of the
+   * following keys.
+   * 
+   *   o languageIndex -- Specifies the index into the <i>Language List
+   *     Object</i> that identifies the language of this attribute. If there is
+   *     no <i>Language List Object</i> present, this field is zero.
+   * 
+   *   o streamNumber -- Specifies whether the entry applies to a specific
+   *     digital media stream or whether it applies to the whole file. A value
+   *     of 0 in this field indicates that it applies to the whole file;
+   *     otherwise, the entry applies only to the indicated stream number. Valid
+   *     values are between 1 and 127.
+   * 
+   *   o name -- Specifies the name that identifies the attribute being
+   *     described.
+   * 
+   *   o data -- Specifies the actual metadata being stored.
+   * 
+   * @return Array
+   */
+  public function getDescriptionRecords() { return $this->_descriptionRecords; }
+}