/src/Zend/Media/Iso14496/FullBox.php
http://php-reader.googlecode.com/ · PHP · 150 lines · 46 code · 13 blank · 91 comment · 2 complexity · cb8bbceff4541970e27523a76b8c9a9e MD5 · raw file
- <?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 ISO14496
- * @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: FullBox.php 177 2010-03-09 13:13:34Z svollbehr $
- */
- /**#@+ @ignore */
- require_once 'Zend/Media/Iso14496/Box.php';
- /**#@-*/
- /**
- * A base class for objects that also contain a version number and flags field.
- *
- * @category Zend
- * @package Zend_Media
- * @subpackage ISO14496
- * @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: FullBox.php 177 2010-03-09 13:13:34Z svollbehr $
- */
- abstract class Zend_Media_Iso14496_FullBox extends Zend_Media_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 Zend_Io_Reader $reader The reader object.
- */
- public function __construct($reader = null, &$options = array())
- {
- parent::__construct($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 <var>true</var> if the
- * flag is set, <var>false</var> 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 heap size in bytes.
- *
- * @return integer
- */
- public function getHeapSize()
- {
- return parent::getHeapSize() + 4;
- }
- /**
- * Writes the box data without the header.
- *
- * @param Zend_Io_Writer $writer The writer object.
- * @return void
- */
- protected function _writeData($writer)
- {
- parent::_writeData($writer);
- $writer->writeUInt32BE($this->_version << 24 | $this->_flags);
- }
- }