diff options
Diffstat (limited to 'libraries/phpvideotoolkit/adapters/ffmpeg-php/php-reader/src/ASF/Object/ExtendedContentDescription.php')
-rw-r--r-- | libraries/phpvideotoolkit/adapters/ffmpeg-php/php-reader/src/ASF/Object/ExtendedContentDescription.php | 122 |
1 files changed, 122 insertions, 0 deletions
diff --git a/libraries/phpvideotoolkit/adapters/ffmpeg-php/php-reader/src/ASF/Object/ExtendedContentDescription.php b/libraries/phpvideotoolkit/adapters/ffmpeg-php/php-reader/src/ASF/Object/ExtendedContentDescription.php new file mode 100644 index 0000000..259bbb2 --- /dev/null +++ b/libraries/phpvideotoolkit/adapters/ffmpeg-php/php-reader/src/ASF/Object/ExtendedContentDescription.php @@ -0,0 +1,122 @@ +<?php +/** + * PHP Reader Library + * + * Copyright (c) 2006-2008 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 ASF + * @copyright Copyright (c) 2006-2008 The PHP Reader Project Workgroup + * @license http://code.google.com/p/php-reader/wiki/License New BSD License + * @version $Id: ExtendedContentDescription.php 108 2008-09-05 17:00:05Z svollbehr $ + */ + +/**#@+ @ignore */ +require_once("ASF/Object.php"); +/**#@-*/ + +/** + * The <i>ASF_Extended_Content_Description_Object</i> object implementation. + * This object contains unlimited number of attribute fields giving more + * information about the file. + * + * @package php-reader + * @subpackage ASF + * @author Sven Vollbehr <svollbehr@gmail.com> + * @copyright Copyright (c) 2006-2008 The PHP Reader Project Workgroup + * @license http://code.google.com/p/php-reader/wiki/License New BSD License + * @version $Rev: 108 $ + */ +final class ASF_Object_ExtendedContentDescription extends ASF_Object +{ + /** @var Array */ + private $_contentDescriptors = array(); + + /** + * Constructs the class with given parameters and reads object related data + * from the ASF file. + * + * @param Reader $reader The reader object. + * @param Array $options The options array. + */ + public function __construct($reader, &$options = array()) + { + parent::__construct($reader, $options); + + $contentDescriptorsCount = $this->_reader->readUInt16LE(); + for ($i = 0; $i < $contentDescriptorsCount; $i++) { + $nameLen = $this->_reader->readUInt16LE(); + $name = iconv + ("utf-16le", $this->getOption("encoding"), + $this->_reader->readString16LE($nameLen)); + $valueDataType = $this->_reader->readUInt16LE(); + $valueLen = $this->_reader->readUInt16LE(); + switch ($valueDataType) { + case 0: + case 1: // string + $this->_contentDescriptors[$name] = iconv + ("utf-16le", $this->getOption("encoding"), + $this->_reader->readString16LE($valueLen)); + break; + case 2: // bool + case 3: // 32-bit integer + $this->_contentDescriptors[$name] = $this->_reader->readUInt32LE(); + break; + case 4: // 64-bit integer + $this->_contentDescriptors[$name] = $this->_reader->readInt64LE(); + break; + case 5: // 16-bit integer + $this->_contentDescriptors[$name] = $this->_reader->readUInt16LE(); + break; + default: + } + } + } + + /** + * Returns the value of the specified descriptor or <var>false</var> if there + * is no such descriptor defined. + * + * @param string $name The name of the descriptor (ie the name of the field). + * @return string|false + */ + public function getDescriptor($name) + { + if (isset($this->_contentDescriptors[$name])) + return $this->_contentDescriptors[$name]; + return false; + } + + /** + * Returns an associate array of all the descriptors defined having the names + * of the descriptors as the keys. + * + * @return Array + */ + public function getDescriptors() { return $this->_contentDescriptors; } +} |