Add ISO 14496 boxes

git-svn-id: http://php-reader.googlecode.com/svn/branches/zend@160 51a70ab9-7547-0410-9469-37e369ee0574
2010-02-18 14:39:53 +00:00
parent c620ac8325
commit 915200d4c1
14 changed files with 2064 additions and 0 deletions
--- a/src/Zend/Media/Iso14496/Box/Vmhd.php
+++ b/src/Zend/Media/Iso14496/Box/Vmhd.php
@@ -0,0 +1,153 @@
+<?php
+/**
+ * Zend Framework
+ *
+ * LICENSE
+ *
+ * This source file is subject to the new BSD license that is bundled
+ * with this package in the file LICENSE.txt.
+ * It is also available through the world-wide-web at this URL:
+ * http://framework.zend.com/license/new-bsd
+ * If you did not receive a copy of the license and are unable to
+ * obtain it through the world-wide-web, please send an email
+ * to license@zend.com so we can send you a copy immediately.
+ *
+ * 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.
+ *
+ * @category   Zend
+ * @package    Zend_Media
+ * @subpackage ISO 14496
+ * @copyright  Copyright (c) 2005-2009 Zend Technologies USA Inc. (http://www.zend.com) 
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ * @version    $Id$
+ */
+
+/**#@+ @ignore */
+require_once 'Zend/Media/Iso14496/FullBox.php';
+/**#@-*/
+
+/**
+ * The <i>Video Media Header Box</i> contains general presentation information,
+ * independent of the coding, for video media.
+ *
+ * @category   Zend
+ * @package    Zend_Media
+ * @subpackage ISO 14496
+ * @author     Sven Vollbehr <sven@vollbehr.eu>
+ * @copyright  Copyright (c) 2005-2009 Zend Technologies USA Inc. (http://www.zend.com) 
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ * @version    $Id$
+ */
+final class Zend_Media_Iso14496_Box_Vmhd extends Zend_Media_Iso14496_FullBox
+{
+    /** @var integer */
+    private $_graphicsMode = 0;
+
+    /** @var Array */
+    private $_opcolor = array(0, 0, 0);
+
+    /**
+     * Constructs the class with given parameters and reads box related data
+     * from the ISO Base Media file.
+     *
+     * @param Zend_Io_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) {
+            $this->setFlags(1);
+            return;
+        }
+
+        $this->_graphicsMode = $this->_reader->readUInt16BE();
+        $this->_opcolor = array
+                ($this->_reader->readUInt16BE(),
+                 $this->_reader->readUInt16BE(),
+                 $this->_reader->readUInt16BE());
+    }
+
+    /**
+     * Returns the composition mode for this video track, from the following
+     * enumerated set, which may be extended by derived specifications:
+     *
+     * <ul>
+     * <li>copy = 0 copy over the existing image</li>
+     * </ul>
+     *
+     * @return integer
+     */
+    public function getGraphicsMode()
+    {
+        return $this->_graphicsMode;
+    }
+
+    /**
+     * Sets the composition mode for this video track.
+     *
+     * @param integer $graphicsMode The composition mode.
+     */
+    public function setGraphicsMode($graphicsMode)
+    {
+        $this->_graphicsMode = $graphicsMode;
+    }
+
+    /**
+     * Returns an array of 3 colour values (red, green, blue) available for use
+     * by graphics modes.
+     *
+     * @return Array
+     */
+    public function getOpcolor()
+    {
+        return $this->_opcolor;
+    }
+
+    /**
+     * Sets the array of 3 colour values (red, green, blue) available for use
+     * by graphics modes.
+     *
+     * @param Array $opcolor An array of 3 colour values
+     */
+    public function setOpcolor($opcolor)
+    {
+        $this->_opcolor = $opcolor;
+    }
+
+    /**
+     * Returns the box heap size in bytes.
+     *
+     * @return integer
+     */
+    public function getHeapSize()
+    {
+        return parent::getHeapSize() + 8;
+    }
+
+    /**
+     * Writes the box data.
+     *
+     * @param Zend_Io_Writer $writer The writer object.
+     * @return void
+     */
+    protected function _writeData($writer)
+    {
+        parent::_writeData($writer);
+        $writer->writeUInt16BE($this->_graphicsMode)
+               ->writeUInt16BE($this->_opcolor[0])
+               ->writeUInt16BE($this->_opcolor[1])
+               ->writeUInt16BE($this->_opcolor[2]);
+    }
+}