Nero Digital Rights Management Box. * * @category Zend * @package Zend_Media * @subpackage ISO14496 * @author Sven Vollbehr * @copyright Copyright (c) 2005-2010 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_Ndrm extends Zend_Media_Iso14496_FullBox { private $_data; /** * 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, &$options = array()) { parent::__construct($reader, $options); $this->_data = $reader->read($this->getSize() - 12); } /** * Returns the box heap size in bytes. * * @return integer */ public function getHeapSize() { return parent::getHeapSize() + $this->getSize() - 12; } /** * Writes the box data. * * @param Zend_Io_Writer $writer The writer object. * @return void */ protected function _writeData($writer) { parent::_writeData($writer); $writer->write($this->_data); } }