/src/Zend/Media/Iso14496/Box/Schm.php
http://php-reader.googlecode.com/ · PHP · 177 lines · 63 code · 14 blank · 100 comment · 4 complexity · 8f5544a8e951479fc0ff055512157305 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: Schm.php 177 2010-03-09 13:13:34Z svollbehr $
- */
- /**#@+ @ignore */
- require_once 'Zend/Media/Iso14496/FullBox.php';
- /**#@-*/
- /**
- * The <i>Scheme Type Box</i> identifies the protection scheme.
- *
- * @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: Schm.php 177 2010-03-09 13:13:34Z svollbehr $
- */
- final class Zend_Media_Iso14496_Box_Schm extends Zend_Media_Iso14496_FullBox
- {
- /** @var string */
- private $_schemeType;
- /** @var integer */
- private $_schemeVersion;
- /** @var string */
- private $_schemeUri;
- /**
- * 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->_schemeType = $this->_reader->read(4);
- $this->_schemeVersion = $this->_reader->readUInt32BE();
- if ($this->hasFlag(1)) {
- $this->_schemeUri = preg_split
- ("/\\x00/", $this->_reader->read
- ($this->getOffset() + $this->getSize() -
- $this->_reader->getOffset()));
- }
- }
- /**
- * Returns the code defining the protection scheme.
- *
- * @return string
- */
- public function getSchemeType()
- {
- return $this->_schemeType;
- }
- /**
- * Sets the code defining the protection scheme.
- *
- * @param string $schemeType The scheme type.
- */
- public function setSchemeType($schemeType)
- {
- $this->_schemeType = $schemeType;
- }
- /**
- * Returns the version of the scheme used to create the content.
- *
- * @return integer
- */
- public function getSchemeVersion()
- {
- return $this->_schemeVersion;
- }
- /**
- * Sets the version of the scheme used to create the content.
- *
- * @param integer $schemeVersion The scheme version.
- */
- public function setSchemeVersion($schemeVersion)
- {
- $this->_schemeVersion = $schemeVersion;
- }
- /**
- * Returns the optional scheme address to allow for the option of directing
- * the user to a web-page if they do not have the scheme installed on their
- * system. It is an absolute URI.
- *
- * @return string
- */
- public function getSchemeUri()
- {
- return $this->_schemeUri;
- }
- /**
- * Sets the optional scheme address to allow for the option of directing
- * the user to a web-page if they do not have the scheme installed on their
- * system. It is an absolute URI.
- *
- * @param string $schemeUri The scheme URI.
- */
- public function setSchemeUri($schemeUri)
- {
- $this->_schemeUri = $schemeUri;
- if ($schemeUri === null) {
- $this->setFlags(0);
- } else {
- $this->setFlags(1);
- }
- }
- /**
- * Returns the box heap size in bytes.
- *
- * @return integer
- */
- public function getHeapSize()
- {
- return parent::getHeapSize() + 8 +
- ($this->hasFlag(1) ? strlen($this->_schemeUri) + 1 : 0);
- }
- /**
- * Writes the box data.
- *
- * @param Zend_Io_Writer $writer The writer object.
- * @return void
- */
- protected function _writeData($writer)
- {
- parent::_writeData($writer);
- $writer->write($this->_schemeType);
- $writer->writeUInt32BE($this->_schemeVersion);
- if ($this->hasFlag(1)) {
- $writer->writeString8($this->_schemeUri, 1);
- }
- }
- }