Add support for iTunes/iPod extension to ISO14496
git-svn-id: http://php-reader.googlecode.com/svn/trunk@87 51a70ab9-7547-0410-9469-37e369ee0574
This commit is contained in:
svollbehr
@@ -67,6 +67,12 @@ require_once("ISO14496/Box.php");
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*/
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*/
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class ISO14496 extends ISO14496_Box
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class ISO14496 extends ISO14496_Box
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{
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{
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/**
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* Constructs the ISO14496 class with given file.
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*
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* @param string $filename The path to the file or file descriptor of an
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* opened file.
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*/
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public function __construct($filename)
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public function __construct($filename)
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{
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{
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$this->_reader = new Reader($filename);
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$this->_reader = new Reader($filename);
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162
src/ISO14496/Box/ILST.php
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162
src/ISO14496/Box/ILST.php
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@@ -0,0 +1,162 @@
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<?php
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/**
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* PHP Reader Library
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*
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* Copyright (c) 2008 The PHP Reader Project Workgroup. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* - Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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* - Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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* - Neither the name of the project workgroup nor the names of its
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* contributors may be used to endorse or promote products derived from this
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* software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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* @package php-reader
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* @subpackage ISO 14496
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* @copyright Copyright (c) 2008 The PHP Reader Project Workgroup
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* @license http://code.google.com/p/php-reader/wiki/License New BSD License
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* @version $Id$
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*/
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/**#@+ @ignore */
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require_once("ISO14496/Box.php");
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/**#@-*/
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/**
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* A container box for all the iTunes/iPod specific boxes.
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*
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* @package php-reader
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* @subpackage ISO 14496
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* @author Sven Vollbehr <svollbehr@gmail.com>
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* @copyright Copyright (c) 2008 The PHP Reader Project Workgroup
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* @license http://code.google.com/p/php-reader/wiki/License New BSD License
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* @version $Rev$
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* @since iTunes/iPod specific
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*/
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final class ISO14496_Box_ILST extends ISO14496_Box
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{
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private $_data = array();
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/**
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* Constructs the class with given parameters and reads box related data from
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* the ISO Base Media file.
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*
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* @param Reader $reader The reader object.
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*/
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public function __construct($reader)
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{
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parent::__construct($reader);
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$this->setContainer(true);
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$this->constructBoxes("ISO14496_Box_ILST_Container");
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}
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}
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/**
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* Generic iTunes/iPod DATA Box container.
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*
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* @package php-reader
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* @subpackage ISO 14496
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* @author Sven Vollbehr <svollbehr@gmail.com>
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* @copyright Copyright (c) 2008 The PHP Reader Project Workgroup
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* @license http://code.google.com/p/php-reader/wiki/License New BSD License
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* @version $Rev$
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* @since iTunes/iPod specific
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* @ignore
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*/
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final class ISO14496_Box_ILST_Container extends ISO14496_Box
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{
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public function __construct($reader)
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{
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parent::__construct($reader);
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$this->setContainer(true);
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$this->constructBoxes();
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}
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}
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/**#@+ @ignore */
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require_once("ISO14496/Box/Full.php");
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/**#@-*/
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/**
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* A box that contains data for iTunes/iPod specific boxes.
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*
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* @package php-reader
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* @subpackage ISO 14496
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* @author Sven Vollbehr <svollbehr@gmail.com>
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* @copyright Copyright (c) 2008 The PHP Reader Project Workgroup
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* @license http://code.google.com/p/php-reader/wiki/License New BSD License
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* @version $Rev$
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* @since iTunes/iPod specific
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*/
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final class ISO14496_Box_DATA extends ISO14496_Box_Full
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{
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/** @var mixed */
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private $_value;
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/** A flag to indicate that the data is an unsigned 8-bit integer. */
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const INTEGER = 0x0;
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/**
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* A flag to indicate that the data is an unsigned 8-bit integer. Different
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* value used in old versions of iTunes.
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*/
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const INTEGER_OLD_STYLE = 0x15;
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/** A flag to indicate that the data is a string. */
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const STRING = 0x1;
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/** A flag to indicate that the data is the contents of an JPEG image. */
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const JPEG = 0xd;
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/** A flag to indicate that the data is the contents of a PNG image. */
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const PNG = 0xe;
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/**
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* Constructs the class with given parameters and reads box related data from
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* the ISO Base Media file.
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*
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* @param Reader $reader The reader object.
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*/
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public function __construct($reader)
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{
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parent::__construct($reader);
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$this->_reader->skip(4);
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$data = $this->_reader->read
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($this->_offset + $this->_size - $this->_reader->getOffset());
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switch ($this->getFlags()) {
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case self::INTEGER:
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case self::INTEGER_OLD_STYLE:
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for ($i = 0; $i < strlen($data); $i++)
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$this->_value .= ord($data[$i]);
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break;
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case self::STRING:
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default:
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$this->_value = $data;
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}
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}
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/**
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* Returns the value this box contains.
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*
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* @return mixed
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*/
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public function getValue() { return $this->_value; }
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}
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