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diff --git a/libraries/phpvideotoolkit/adapters/ffmpeg-php/php-reader/src/ISO14496/Box.php b/libraries/phpvideotoolkit/adapters/ffmpeg-php/php-reader/src/ISO14496/Box.php
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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 PHP Reader Project Workgroup
- * @license http://code.google.com/p/php-reader/wiki/License New BSD License
- * @version $Id: Box.php 102 2008-06-23 20:41:20Z svollbehr $
- */
-
-/**#@+ @ignore */
-require_once("ISO14496/Exception.php");
-/**#@-*/
-
-/**
- * A base class for all ISO 14496-12 boxes.
- *
- * @package php-reader
- * @subpackage ISO 14496
- * @author Sven Vollbehr <svollbehr@gmail.com>
- * @copyright Copyright (c) 2008 PHP Reader Project Workgroup
- * @license http://code.google.com/p/php-reader/wiki/License New BSD License
- * @version $Rev: 102 $
- */
-class ISO14496_Box
-{
- /**
- * The reader object.
- *
- * @var Reader
- */
- protected $_reader;
-
- /** @var Array */
- private $_options;
-
- /** @var integer */
- private $_offset = -1;
-
- /** @var integer */
- private $_size = -1;
-
- /** @var string */
- private $_type;
-
-
- /** @var ISO14496_Box */
- private $_parent = null;
-
-
- /** @var boolean */
- private $_container = false;
-
- /** @var Array */
- private $_boxes = array();
-
- /** @var Array */
- private static $_path = array();
-
- /**
- * Constructs the class with given parameters and options.
- *
- * @param Reader $reader The reader object.
- * @param Array $options The options array.
- */
- public function __construct($reader, &$options = array())
- {
- if (($this->_reader = $reader) === null) {
- $this->_type = strtolower(substr(get_class($this), -4));
- } else {
- $this->_offset = $this->_reader->getOffset();
- $this->_size = $this->_reader->readUInt32BE();
- $this->_type = $this->_reader->read(4);
-
- if ($this->_size == 1)
- $this->_size = $this->_reader->readInt64BE();
- if ($this->_size == 0)
- $this->_size = $this->_reader->getSize() - $this->_offset;
-
- if ($this->_type == "uuid")
- $this->_type = $this->_reader->readGUID();
- }
- $this->_options = $options;
- }
-
- /**
- * Returns the options array.
- *
- * @return Array
- */
- public function getOptions() { return $this->_options; }
-
- /**
- * Returns the given option value, or the default value if the option is not
- * defined.
- *
- * @param string $option The name of the option.
- * @param mixed $defaultValue The default value to be returned.
- */
- public function getOption($option, $defaultValue = false)
- {
- if (isset($this->_options[$option]))
- return $this->_options[$option];
- return $defaultValue;
- }
-
- /**
- * Sets the options array. See {@link ISO14496} class for available options.
- *
- * @param Array $options The options array.
- */
- public function setOptions(&$options) { $this->_options = $options; }
-
- /**
- * Sets the given option the given value.
- *
- * @param string $option The name of the option.
- * @param mixed $value The value to set for the option.
- */
- public function setOption($option, $value)
- {
- $this->_options[$option] = $value;
- }
-
- /**
- * Returns the file offset to box start, or -1 if the box was created on heap.
- *
- * @return integer
- */
- public function getOffset() { return $this->_offset; }
-
- /**
- * Sets the file offset where the box starts.
- *
- * @param integer $offset The file offset to box start.
- */
- public function setOffset($offset) { $this->_offset = $offset; }
-
- /**
- * Returns the box size in bytes, including the size and type header,
- * fields, and all contained boxes, or -1 if the box was created on heap.
- *
- * @return integer
- */
- public function getSize() { return $this->_size; }
-
- /**
- * Sets the box size. The size must include the size and type header,
- * fields, and all contained boxes.
- *
- * The method will propagate size change to box parents.
- *
- * @param integer $size The box size.
- */
- public function setSize($size)
- {
- if ($this->_parent !== null)
- $this->_parent->setSize
- (($this->_parent->getSize() > 0 ? $this->_parent->getSize() : 0) +
- $size - ($this->_size > 0 ? $this->_size : 0));
- $this->_size = $size;
- }
-
- /**
- * Returns the box type.
- *
- * @return string
- */
- public function getType() { return $this->_type; }
-
- /**
- * Sets the box type.
- *
- * @param string $type The box type.
- */
- public function setType($type) { $this->_type = $type; }
-
- /**
- * Returns the parent box containing this box.
- *
- * @return ISO14496_Box
- */
- public function getParent() { return $this->_parent; }
-
- /**
- * Sets the parent containing box.
- *
- * @param ISO14496_Box $parent The parent box.
- */
- public function setParent(&$parent) { $this->_parent = $parent; }
-
- /**
- * Returns a boolean value corresponding to whether the box is a container.
- *
- * @return boolean
- */
- public function isContainer() { return $this->_container; }
-
- /**
- * Returns a boolean value corresponding to whether the box is a container.
- *
- * @return boolean
- */
- public function getContainer() { return $this->_container; }
-
- /**
- * Sets whether the box is a container.
- *
- * @param boolean $container Whether the box is a container.
- */
- protected function setContainer($container)
- {
- $this->_container = $container;
- }
-
- /**
- * Reads and constructs the boxes found within this box.
- *
- * @todo Does not parse iTunes internal ---- boxes.
- */
- protected function constructBoxes($defaultclassname = "ISO14496_Box")
- {
- $base = $this->getOption("base", "");
- if ($this->getType() != "file")
- self::$_path[] = $this->getType();
- $path = implode(self::$_path, ".");
-
- while (true) {
- $offset = $this->_reader->getOffset();
- if ($offset >= $this->_offset + $this->_size)
- break;
- $size = $this->_reader->readUInt32BE();
- $type = rtrim($this->_reader->read(4), " ");
- if ($size == 1)
- $size = $this->_reader->readInt64BE();
- if ($size == 0)
- $size = $this->_reader->getSize() - $offset;
-
- if (preg_match("/^\xa9?[a-z0-9]{3,4}$/i", $type) &&
- substr($base, 0, min(strlen($base), strlen
- ($tmp = $path . ($path ? "." : "") . $type))) ==
- substr($tmp, 0, min(strlen($base), strlen($tmp))))
- {
- $this->_reader->setOffset($offset);
- if (@fopen($filename = "ISO14496/Box/" . strtoupper($type) . ".php",
- "r", true) !== false)
- require_once($filename);
- if (class_exists($classname = "ISO14496_Box_" . strtoupper($type)))
- $box = new $classname($this->_reader, $this->_options);
- else
- $box = new $defaultclassname($this->_reader, $this->_options);
- $box->setParent($this);
- if (!isset($this->_boxes[$box->getType()]))
- $this->_boxes[$box->getType()] = array();
- $this->_boxes[$box->getType()][] = $box;
- }
- $this->_reader->setOffset($offset + $size);
- }
-
- array_pop(self::$_path);
- }
-
- /**
- * Checks whether the box given as an argument is present in the file. Returns
- * <var>true</var> if one or more boxes are present, <var>false</var>
- * otherwise.
- *
- * @return boolean
- * @throws ISO14496_Exception if called on a non-container box
- */
- public function hasBox($identifier)
- {
- if (!$this->isContainer())
- throw new ISO14496_Exception("Box not a container");
- return isset($this->_boxes[$identifier]);
- }
-
- /**
- * Returns all the boxes the file contains as an associate array. The box
- * identifiers work as keys having an array of boxes as associated value.
- *
- * @return Array
- * @throws ISO14496_Exception if called on a non-container box
- */
- public function getBoxes()
- {
- if (!$this->isContainer())
- throw new ISO14496_Exception("Box not a container");
- return $this->_boxes;
- }
-
- /**
- * Returns an array of boxes matching the given identifier or an empty array
- * if no boxes matched the identifier.
- *
- * The identifier may contain wildcard characters "*" and "?". The asterisk
- * matches against zero or more characters, and the question mark matches any
- * single character.
- *
- * Please note that one may also use the shorthand $obj->identifier to access
- * the first box with the identifier given. Wildcards cannot be used with
- * the shorthand and they will not work with user defined uuid types.
- *
- * @return Array
- * @throws ISO14496_Exception if called on a non-container box
- */
- public function getBoxesByIdentifier($identifier)
- {
- if (!$this->isContainer())
- throw new ISO14496_Exception("Box not a container");
- $matches = array();
- $searchPattern = "/^" .
- str_replace(array("*", "?"), array(".*", "."), $identifier) . "$/i";
- foreach ($this->_boxes as $identifier => $boxes)
- if (preg_match($searchPattern, $identifier))
- foreach ($boxes as $box)
- $matches[] = $box;
- return $matches;
- }
-
- /**
- * Adds a new box into the current box and returns it.
- *
- * @param ISO14496_Box The box to add
- * @return ISO14496_Box
- */
- public function addBox($box)
- {
- $box->setParent($this);
- $box->setOptions($this->_options);
- if (!$this->hasBox($box->getType()))
- $this->_boxes[$box->getType()] = array();
- return $this->_boxes[$box->getType()][] = $box;
- }
-
- /**
- * Magic function so that $obj->value will work. If called on a container box,
- * the method will first attempt to return the first contained box that
- * matches the identifier, and if not found, invoke a getter method.
- *
- * If there are no boxes or getter methods with given name, the method
- * attempts to create a frame with given identifier.
- *
- * If none of these work, an exception is thrown.
- *
- * @param string $name The box or field name.
- * @return mixed
- */
- public function __get($name)
- {
- if ($this->isContainer() && isset($this->_boxes[$name]))
- return $this->_boxes[$name][0];
- if (method_exists($this, "get" . ucfirst($name)))
- return call_user_func(array($this, "get" . ucfirst($name)));
- if (@fopen($filename = "ISO14496/Box/" .
- strtoupper($name) . ".php", "r", true) !== false)
- require_once($filename);
- if (class_exists($classname = "ISO14496_Box_" . strtoupper($name)))
- return $this->addBox(new $classname());
- throw new ISO14496_Exception("Unknown box/field: " . $name);
- }
-
- /**
- * Magic function so that assignments with $obj->value will work.
- *
- * @param string $name The field name.
- * @param string $value The field value.
- * @return mixed
- */
- public function __set($name, $value)
- {
- if (method_exists($this, "set" . ucfirst($name)))
- call_user_func(array($this, "set" . ucfirst($name)), $value);
- else throw new ISO14496_Exception("Unknown field: " . $name);
- }
-
- /**
- * Magic function so that isset($obj->value) will work. This method checks
- * whether the box is a container and contains a box that matches the
- * identifier.
- *
- * @param string $name The box name.
- * @return boolean
- */
- public function __isset($name)
- {
- return ($this->isContainer() && isset($this->_boxes[$name]));
- }
-
- /**
- * Magic function so that unset($obj->value) will work. This method removes
- * all the boxes from this container that match the identifier.
- *
- * @param string $name The box name.
- */
- public function __unset($name)
- {
- if ($this->isContainer())
- unset($this->_boxes[$name]);
- }
-
- /**
- * Returns the box raw data.
- *
- * @return string
- */
- public function __toString($data = "")
- {
- if ($this->isContainer())
- foreach ($this->getBoxes() as $name => $boxes)
- foreach ($boxes as $box)
- $data .= $box;
- $size = strlen($data) + 8;
- if ($size > 0xffffffff)
- $size += 8;
- if (strlen($this->_type) > 4)
- $size += 16;
- return ($size > 0xffffffff ?
- Transform::toUInt32BE(1) : Transform::toUInt32BE($size)) .
- (strlen($this->_type) > 4 ? "uuid" : $this->_type) .
- ($size > 0xffffffff ? Transform::toInt64BE($size) : "") .
- (strlen($this->_type) > 4 ? Transform::toGUID($this->_type) : "") . $data;
- }
-}
generated by cgit v1.2.3 (git 2.39.1) at 2024-04-28 05:35:35 +0000