* @copyright Copyright (c) 2008 PHP Reader Project Workgroup
* @license http://code.google.com/p/php-reader/wiki/License New BSD License
* @version $Rev: 92 $
*/
abstract class ISO14496_Box_Full extends ISO14496_Box
{
/** @var integer */
protected $_version = 0;
/** @var integer */
protected $_flags = 0;
/**
* Constructs the class with given parameters and reads box related data from
* the ISO Base Media file.
*
* @param Reader $reader The reader object.
*/
public function __construct($reader, &$options = array())
{
parent::__construct($reader, $options);
if ($reader === null)
return;
$this->_version = (($field = $this->_reader->readUInt32BE()) >> 24) & 0xff;
$this->_flags = $field & 0xffffff;
}
/**
* Returns the version of this format of the box.
*
* @return integer
*/
public function getVersion() { return $this->_version; }
/**
* Sets the version of this format of the box.
*
* @param integer $version The version.
*/
public function setVersion($version) { $this->_version = $version; }
/**
* Checks whether or not the flag is set. Returns true if the flag
* is set, false otherwise.
*
* @param integer $flag The flag to query.
* @return boolean
*/
public function hasFlag($flag) { return ($this->_flags & $flag) == $flag; }
/**
* Returns the map of flags.
*
* @return integer
*/
public function getFlags() { return $this->_flags; }
/**
* Sets the map of flags.
*
* @param string $flags The map of flags.
*/
public function setFlags($flags) { $this->_flags = $flags; }
/**
* Returns the box raw data.
*
* @return string
*/
public function __toString($data = "")
{
return parent::__toString
(Transform::toUInt32BE($this->_version << 24 | $this->_flags) . $data);
}
}