Add ISO 14496 boxes

git-svn-id: http://php-reader.googlecode.com/svn/branches/zend@163 51a70ab9-7547-0410-9469-37e369ee0574
2010-02-20 11:21:45 +00:00
parent 559220106a
commit 9a83f77ef2
15 changed files with 2113 additions and 5 deletions
--- a/src/Zend/Media/Iso14496/Box/Cprt.php
+++ b/src/Zend/Media/Iso14496/Box/Cprt.php
@@ -0,0 +1,150 @@
+<?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>Copyright Box</i> contains a copyright declaration which applies to
+ * the entire presentation, when contained within the
+ * {@link Zend_Media_Iso14496_Box_Moov Movie Box}, or, when contained in a
+ * track, to that entire track. There may be multiple copyright boxes using
+ * different language codes.
+ *
+ * @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_Cprt extends Zend_Media_Iso14496_FullBox
+{
+    /** @var string */
+    private $_language;
+
+    /** @var string */
+    private $_notice;
+
+    /**
+     * 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          $options The options array.
+     * @todo Distinguish UTF-16?
+     */
+    public function __construct($reader, &$options = array())
+    {
+        parent::__construct($reader, $options);
+
+        $this->_language = chr
+            (((($tmp = $this->_reader->readUInt16BE()) >> 10) & 0x1f) + 0x60) .
+            chr((($tmp >> 5) & 0x1f) + 0x60) . chr(($tmp & 0x1f) + 0x60);
+        $this->_notice = $this->_reader->readString8
+            ($this->getOffset() + $this->getSize() -
+             $this->_reader->getOffset());
+    }
+
+    /**
+     * Returns the three byte language code to describe the language of the
+     * notice, according to {@link http://www.loc.gov/standards/iso639-2/
+     * ISO 639-2/T}.
+     *
+     * @return string
+     */
+    public function getLanguage() 
+    {
+        return $this->_language; 
+    }
+
+    /**
+     * Sets the three byte language code to describe the language of this
+     * media, according to {@link http://www.loc.gov/standards/iso639-2/
+     * ISO 639-2/T}.
+     *
+     * @param string $language The language code.
+     */
+    public function setLanguage($language)
+    {
+        $this->_language = $language;
+    }
+
+    /**
+     * Returns the copyright notice.
+     *
+     * @return string
+     */
+    public function getNotice()
+    {
+        return $this->_notice;
+    }
+
+    /**
+     * Returns the copyright notice.
+     *
+     * @param string $notice The copyright notice.
+     */
+    public function setNotice($notice)
+    {
+        $this->_notice = $notice;
+    }
+
+    /**
+     * Returns the box heap size in bytes.
+     *
+     * @return integer
+     */
+    public function getHeapSize()
+    {
+        return parent::getHeapSize() + 3 + strlen($this->_notice);
+    }
+
+    /**
+     * Writes the box data.
+     *
+     * @param Zend_Io_Writer $writer The writer object.
+     * @return void
+     */
+    protected function _writeData($writer)
+    {
+        parent::_writeData($writer);
+        $writer->writeUInt16BE((ord($this->_language[0]) - 0x60) << 10 |
+                (ord($this->_language[1])- 0x60) << 5 |
+                 (ord($this->_language[2])- 0x60))
+               ->writeString8($this->_notice, 1);
+    }
+}