Files
plibreader/src/Zend/Media/Iso14496/Box/Dref.php
svollbehr c620ac8325 Add ISO 14496 container boxes
git-svn-id: http://php-reader.googlecode.com/svn/branches/zend@159 51a70ab9-7547-0410-9469-37e369ee0574
2010-02-17 15:44:10 +00:00

101 lines
3.5 KiB
PHP

<?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>Data Reference Box</i> contains a table of data references (normally
* URLs) that declare the location(s) of the media data used within the
* presentation. The data reference index in the sample description ties entries
* in this table to the samples in the track. A track may be split over several
* sources in this way.
*
* This box may either contain {@link Zend_Media_Iso14496_Box_Urn urn} or
* {@link Zend_Media_Iso14496_Box_Url url} boxes.
*
* @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_Dref extends Zend_Media_Iso14496_FullBox
{
/**
* 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);
$this->setContainer(true);
if ($reader === null) {
return;
}
$this->_reader->skip(4);
$this->constructBoxes();
}
/**
* Returns the box heap size in bytes.
*
* @return integer
*/
public function getHeapSize()
{
return parent::getHeapSize() + 4;
}
/**
* Writes the box data.
*
* @param Zend_Io_Writer $writer The writer object.
* @return void
*/
protected function _writeData($writer)
{
parent::_writeData($writer);
$writer->writeUInt32BE($this->getBoxCount());
}
}