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Diffstat (limited to 'libraries/phpvideotoolkit/adapters/ffmpeg-php/php-reader/src/ISO14496/Box/ILST.php')
| -rw-r--r-- | libraries/phpvideotoolkit/adapters/ffmpeg-php/php-reader/src/ISO14496/Box/ILST.php | 280 |
1 files changed, 280 insertions, 0 deletions
diff --git a/libraries/phpvideotoolkit/adapters/ffmpeg-php/php-reader/src/ISO14496/Box/ILST.php b/libraries/phpvideotoolkit/adapters/ffmpeg-php/php-reader/src/ISO14496/Box/ILST.php new file mode 100644 index 0000000..9b4a209 --- /dev/null +++ b/libraries/phpvideotoolkit/adapters/ffmpeg-php/php-reader/src/ISO14496/Box/ILST.php @@ -0,0 +1,280 @@ +<?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); + } +} |