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-<?php
-/**
- * PHP Reader Library
- *
- * Copyright (c) 2008 The PHP Reader Project Workgroup. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are met:
- *
- * - Redistributions of source code must retain the above copyright notice,
- * this list of conditions and the following disclaimer.
- * - Redistributions in binary form must reproduce the above copyright notice,
- * this list of conditions and the following disclaimer in the documentation
- * and/or other materials provided with the distribution.
- * - Neither the name of the project workgroup nor the names of its
- * contributors may be used to endorse or promote products derived from this
- * software without specific prior written permission.
- *
- * 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.
- *
- * @package php-reader
- * @subpackage ISO 14496
- * @copyright Copyright (c) 2008 The PHP Reader Project Workgroup
- * @license http://code.google.com/p/php-reader/wiki/License New BSD License
- * @version $Id: ILST.php 101 2008-05-13 20:28:13Z svollbehr $
- */
-
-/**#@+ @ignore */
-require_once("ISO14496/Box.php");
-/**#@-*/
-
-/**
- * A container box for all the iTunes/iPod specific boxes. A list of well known
- * boxes is provided in the following table. The value for each box is contained
- * in a nested {@link ISO14496_Box_DATA Data Box}.
- *
- * <ul>
- * <li><b>_nam</b> -- <i>Name of the track</i></li>
- * <li><b>_ART</b> -- <i>Name of the artist</i></li>
- * <li><b>aART</b> -- <i>Name of the album artist</i></li>
- * <li><b>_alb</b> -- <i>Name of the album</i></li>
- * <li><b>_grp</b> -- <i>Grouping</i></li>
- * <li><b>_day</b> -- <i>Year of publication</i></li>
- * <li><b>trkn</b> -- <i>Track number (number/total)</i></li>
- * <li><b>disk</b> -- <i>Disk number (number/total)</i></li>
- * <li><b>tmpo</b> -- <i>BPM tempo</i></li>
- * <li><b>_wrt</b> -- <i>Name of the composer</i></li>
- * <li><b>_cmt</b> -- <i>Comments</i></li>
- * <li><b>_gen</b> -- <i>Genre as string</i></li>
- * <li><b>gnre</b> -- <i>Genre as an ID3v1 code, added by one</i></li>
- * <li><b>cpil</b> -- <i>Part of a compilation (0/1)</i></li>
- * <li><b>tvsh</b> -- <i>Name of the (television) show</i></li>
- * <li><b>sonm</b> -- <i>Sort name of the track</i></li>
- * <li><b>soar</b> -- <i>Sort name of the artist</i></li>
- * <li><b>soaa</b> -- <i>Sort name of the album artist</i></li>
- * <li><b>soal</b> -- <i>Sort name of the album</i></li>
- * <li><b>soco</b> -- <i>Sort name of the composer</i></li>
- * <li><b>sosn</b> -- <i>Sort name of the show</i></li>
- * <li><b>_lyr</b> -- <i>Lyrics</i></li>
- * <li><b>covr</b> -- <i>Cover (or other) artwork binary data</i></li>
- * <li><b>_too</b> -- <i>Information about the software</i></li>
- * </ul>
- *
- * @package php-reader
- * @subpackage ISO 14496
- * @author Sven Vollbehr <svollbehr@gmail.com>
- * @copyright Copyright (c) 2008 The PHP Reader Project Workgroup
- * @license http://code.google.com/p/php-reader/wiki/License New BSD License
- * @version $Rev: 101 $
- * @since iTunes/iPod specific
- */
-final class ISO14496_Box_ILST extends ISO14496_Box
-{
- /**
- * 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 = null, &$options = array())
- {
- parent::__construct($reader, $options);
- $this->setContainer(true);
-
- if ($reader === null)
- return;
-
- $this->constructBoxes("ISO14496_Box_ILST_Container");
- }
-
- /**
- * Override magic function so that $obj->value on a box will return the data
- * box instead of the data container box.
- *
- * @param string $name The box or field name.
- * @return mixed
- */
- public function __get($name)
- {
- if (strlen($name) == 3)
- $name = "\xa9" . $name;
- if ($name[0] == "_")
- $name = "\xa9" . substr($name, 1, 3);
- if ($this->hasBox($name)) {
- $boxes = $this->getBoxesByIdentifier($name);
- return $boxes[0]->data;
- }
- if (method_exists($this, "get" . ucfirst($name)))
- return call_user_func(array($this, "get" . ucfirst($name)));
- return $this->addBox(new ISO14496_Box_ILST_Container($name))->data;
- }
-}
-
-/**
- * Generic iTunes/iPod DATA Box container.
- *
- * @package php-reader
- * @subpackage ISO 14496
- * @author Sven Vollbehr <svollbehr@gmail.com>
- * @copyright Copyright (c) 2008 The PHP Reader Project Workgroup
- * @license http://code.google.com/p/php-reader/wiki/License New BSD License
- * @version $Rev: 101 $
- * @since iTunes/iPod specific
- * @ignore
- */
-final class ISO14496_Box_ILST_Container extends ISO14496_Box
-{
- public function __construct($reader = null, &$options = array())
- {
- parent::__construct(is_string($reader) ? null : $reader, $options);
- $this->setContainer(true);
-
- if (is_string($reader)) {
- $this->setType($reader);
- $this->addBox(new ISO14496_Box_DATA());
- } else
- $this->constructBoxes();
- }
-}
-
-/**#@+ @ignore */
-require_once("ISO14496/Box/Full.php");
-/**#@-*/
-
-/**
- * A box that contains data for iTunes/iPod specific boxes.
- *
- * @package php-reader
- * @subpackage ISO 14496
- * @author Sven Vollbehr <svollbehr@gmail.com>
- * @copyright Copyright (c) 2008 The PHP Reader Project Workgroup
- * @license http://code.google.com/p/php-reader/wiki/License New BSD License
- * @version $Rev: 101 $
- * @since iTunes/iPod specific
- */
-final class ISO14496_Box_DATA extends ISO14496_Box_Full
-{
- /** @var mixed */
- private $_value;
-
- /** A flag to indicate that the data is an unsigned 8-bit integer. */
- const INTEGER = 0x0;
-
- /**
- * A flag to indicate that the data is an unsigned 8-bit integer. Different
- * value used in old versions of iTunes.
- */
- const INTEGER_OLD_STYLE = 0x15;
-
- /** A flag to indicate that the data is a string. */
- const STRING = 0x1;
-
- /** A flag to indicate that the data is the contents of an JPEG image. */
- const JPEG = 0xd;
-
- /** A flag to indicate that the data is the contents of a PNG image. */
- const PNG = 0xe;
-
- /**
- * 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 = null, &$options = array())
- {
- parent::__construct($reader, $options);
-
- if ($reader === null)
- return;
-
- $this->_reader->skip(4);
- $data = $this->_reader->read
- ($this->getOffset() + $this->getSize() - $this->_reader->getOffset());
- switch ($this->getFlags()) {
- case self::INTEGER:
- case self::INTEGER_OLD_STYLE:
- for ($i = 0; $i < strlen($data); $i++)
- $this->_value .= Transform::fromInt8($data[$i]);
- break;
- case self::STRING:
- default:
- $this->_value = $data;
- }
- }
-
- /**
- * Returns the value this box contains.
- *
- * @return mixed
- */
- public function getValue() { return $this->_value; }
-
- /**
- * Sets the value this box contains.
- *
- * @return mixed
- */
- public function setValue($value, $type = false)
- {
- $this->_value = (string)$value;
- if ($type === false && is_string($value))
- $this->_flags = self::STRING;
- if ($type === false && is_int($value))
- $this->_flags = self::INTEGER;
- if ($type !== false)
- $this->_flags = $type;
- }
-
- /**
- * Override magic function so that $obj->data will return the current box
- * instead of an error. For other values the method will attempt to call a
- * getter method.
- *
- * If there are no getter methods with given name, the method will yield an
- * exception.
- *
- * @param string $name The box or field name.
- * @return mixed
- */
- public function __get($name)
- {
- if ($name == "data")
- return $this;
- if (method_exists($this, "get" . ucfirst($name)))
- return call_user_func(array($this, "get" . ucfirst($name)));
- throw new ISO14496_Exception("Unknown box/field: " . $name);
- }
-
- /**
- * Returns the box raw data.
- *
- * @return string
- */
- public function __toString($data = "")
- {
- switch ($this->getFlags()) {
- case self::INTEGER:
- case self::INTEGER_OLD_STYLE:
- $data = "";
- for ($i = 0; $i < strlen($this->_value); $i++)
- $data .= Transform::toInt8($this->_value[$i]);
- break;
- case self::STRING:
- default:
- $data = $this->_value;
- }
- return parent::__toString("\0\0\0\0" . $data);
- }
-}