1 files changed, 195 insertions, 0 deletions
diff --git a/libraries/phpvideotoolkit/adapters/ffmpeg-php/php-reader/src/ASF/Object/Container.php b/libraries/phpvideotoolkit/adapters/ffmpeg-php/php-reader/src/ASF/Object/Container.php
new file mode 100644
index 0000000..a214a3b
--- /dev/null
+++ b/libraries/phpvideotoolkit/adapters/ffmpeg-php/php-reader/src/ASF/Object/Container.php
@@ -0,0 +1,195 @@
+<?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: Container.php 108 2008-09-05 17:00:05Z svollbehr $
+ */
+
+/**#@+ @ignore */
+require_once("ASF/Object.php");
+/**#@-*/
+
+/**
+ * An abstract base container class that contains other ASF 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 $
+ */
+abstract class ASF_Object_Container extends ASF_Object
+{
+  /** @var Array */
+  private $_objects = array();
+  
+  /**
+   * Reads and constructs the objects found within this object.
+   */
+  protected function constructObjects($defaultclassnames = array())
+  {
+    while (true) {
+      $offset = $this->_reader->getOffset();
+      if ($offset >= $this->getOffset() + $this->getSize())
+        break;
+      $guid = $this->_reader->readGUID();
+      $size = $this->_reader->readInt64LE();
+      
+      $this->_reader->setOffset($offset);
+      if (isset($defaultclassnames[$guid])) {
+        if (@fopen($filename = "ASF/Object/" . $defaultclassnames[$guid] .
+                   ".php", "r", true) !== false)
+          require_once($filename);
+        if (class_exists
+            ($classname = "ASF_Object_" . $defaultclassnames[$guid]))
+          $object = new $classname($this->_reader, $this->_options);
+        else
+          $object = new ASF_Object($this->_reader, $this->_options);
+      } else
+        $object = new ASF_Object($this->_reader, $this->_options);
+      $object->setParent($this);
+      if (!$this->hasObject($object->getIdentifier()))
+        $this->_objects[$object->getIdentifier()] = array();
+      $this->_objects[$object->getIdentifier()][] = $object;
+      $this->_reader->setOffset($offset + $size);
+    }
+  }
+  
+  /**
+   * Checks whether the object with given GUID is present in the file. Returns
+   * <var>true</var> if one or more objects are present, <var>false</var>
+   * otherwise.
+   * 
+   * @return boolean
+   */
+  public function hasObject($identifier)
+  {
+    return isset($this->_objects[$identifier]);
+  }
+  
+  /**
+   * Returns all the objects the file contains as an associate array. The object
+   * identifiers work as keys having an array of ASF objects as associated
+   * value.
+   * 
+   * @return Array
+   */
+  public function getObjects()
+  {
+    return $this->_objects;
+  }
+  
+  /**
+   * Returns an array of objects matching the given object GUID or an empty
+   * array if no object matched the identifier.
+   *
+   * The identifier may contain wildcard characters "*" and "?". The asterisk
+   * matches against zero or more characters, and the question mark matches any
+   * single character.
+   *
+   * Please note that one may also use the shorthand $obj->identifier to access
+   * the first box with the identifier given. Wildcards cannot be used with
+   * the shorthand and they will not work with user defined uuid types.
+   * 
+   * @return Array
+   */
+  public function getObjectsByIdentifier($identifier)
+  {
+    $matches = array();
+    $searchPattern = "/^" .
+      str_replace(array("*", "?"), array(".*", "."), $identifier) . "$/i";
+    foreach ($this->_objects as $identifier => $objects)
+      if (preg_match($searchPattern, $identifier))
+        foreach ($objects as $object)
+          $matches[] = $object;
+    return $matches;
+  }
+  
+  /**
+   * Adds a new object into the current object and returns it.
+   *
+   * @param ASF_Object The object to add
+   * @return ASF_Object
+   */
+  public function addObject($object)
+  {
+    $object->setParent($this);
+    $object->setOptions($this->_options);
+    if (!$this->hasObject($object->getIdentifier()))
+      $this->_objects[$object->getIdentifier()] = array();
+    return $this->_objects[$object->getIdentifier()][] = $object;
+  }
+  
+  /**
+   * Override magic function so that $obj->value will work as expected.
+   * 
+   * The method first attempts to call the appropriate getter method. If no
+   * field with given name is found, the method attempts to return the right
+   * object instead. In other words, calling $obj->value will attempt to return
+   * the first object returned by $this->getObjectsByIdentifier(self::value).
+   *
+   * @param string $name The field or object name.
+   * @return mixed
+   */
+  public function __get($name)
+  {
+    if (method_exists($this, "get" . ucfirst($name)))
+      return call_user_func(array($this, "get" . ucfirst($name)));
+    if (defined($constname = get_class($this) . "::" . strtoupper
+                (preg_replace("/[A-Z]/", "_$0", $name)))) {
+      $objects = $this->getObjectsByIdentifier(constant($constname));
+      if (isset($objects[0]))
+        return $objects[0];
+    }
+    throw new ASF_Exception("Unknown field/object: " . $name);
+  }
+  
+  /**
+   * Magic function so that isset($obj->value) will work. This method checks
+   * whether the object by given identifier is contained by this container.
+   *
+   * @param string $name The object name.
+   * @return boolean
+   */
+  public function __isset($name)
+  {
+    if (defined($constname = get_class($this) . "::" . strtoupper
+                (preg_replace("/[A-Z]/", "_$0", $name)))) {
+      $objects = $this->getObjectsByIdentifier(constant($constname));
+      return isset($objects[0]);
+    }
+    else
+      return isset($this->_objects[$name]);
+  }
+}