diff options
Diffstat (limited to 'libraries/phpvideotoolkit/adapters/ffmpeg-php/php-reader/src/ASF.php')
| -rw-r--r-- | libraries/phpvideotoolkit/adapters/ffmpeg-php/php-reader/src/ASF.php | 151 |
1 files changed, 151 insertions, 0 deletions
diff --git a/libraries/phpvideotoolkit/adapters/ffmpeg-php/php-reader/src/ASF.php b/libraries/phpvideotoolkit/adapters/ffmpeg-php/php-reader/src/ASF.php new file mode 100644 index 0000000..31516ae --- /dev/null +++ b/libraries/phpvideotoolkit/adapters/ffmpeg-php/php-reader/src/ASF.php @@ -0,0 +1,151 @@ +<?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: ASF.php 108 2008-09-05 17:00:05Z svollbehr $ + */ + +/**#@+ @ignore */ +require_once("Reader.php"); +require_once("ASF/Object/Container.php"); +/**#@-*/ + +/** + * This class represents a file in Advanced Systems Format (ASF) as described in + * {@link http://go.microsoft.com/fwlink/?LinkId=31334 The Advanced Systems + * Format (ASF) Specification}. It is a file format that can contain various + * types of information ranging from audio and video to script commands and + * developer defined custom streams. + * + * The ASF file consists of code blocks that are called content objects. Each + * of these objects have a format of their own. They may contain other objects + * or other specific data. Each supported object has been implemented as their + * own classes to ease the correct use of the information. + * + * @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 $ + */ +class ASF extends ASF_Object_Container +{ + const HEADER = "75b22630-668e-11cf-a6d9-00aa0062ce6c"; + const DATA = "75b22636-668e-11cf-a6d9-00aa0062ce6c"; + const SIMPLE_INDEX = "33000890-e5b1-11cf-89f4-00a0c90349cb"; + const INDEX = "d6e229d3-35da-11d1-9034-00a0c90349be"; + const MEDIA_OBJECT_INDEX = "feb103f8-12ad-4c64-840f-2a1d2f7ad48c"; + const TIMECODE_INDEX = "3cb73fd0-0c4a-4803-953d-edf7b6228f0c"; + + /** @var string */ + private $_filename; + + /** + * Constructs the ASF class with given file and options. + * + * The following options are currently recognized: + * o encoding -- Indicates the encoding that all the texts are presented + * with. By default this is set to utf-8. See the documentation of iconv + * for accepted values. + * o readonly -- Indicates that the file is read from a temporary location + * or another source it cannot be written back to. + * + * @param string $filename The path to the file or file descriptor of an + * opened file. + * @param Array $options The options array. + */ + public function __construct($filename, $options = array()) + { + $this->_reader = new Reader($this->_filename = $filename); + $this->setOptions($options); + if ($this->getOption("encoding", false) === false) + $this->setOption("encoding", "utf-8"); + $this->setOffset(0); + $this->setSize($this->_reader->getSize()); + $this->constructObjects + (array + (self::HEADER => "Header", + self::DATA => "Data", + self::SIMPLE_INDEX => "SimpleIndex", + self::INDEX => "Index", + self::MEDIA_OBJECT_INDEX => "MediaObjectIndex", + self::TIMECODE_INDEX => "TimecodeIndex")); + } + + /** + * Returns the mandatory header object contained in this file. + * + * @return ASF_Object_Header + */ + public function getHeader() + { + $header = $this->getObjectsByIdentifier(self::HEADER); + return $header[0]; + } + + /** + * Returns the mandatory data object contained in this file. + * + * @return ASF_Object_Data + */ + public function getData() + { + $data = $this->getObjectsByIdentifier(self::DATA); + return $data[0]; + } + + /** + * Returns an array of index objects contained in this file. + * + * @return Array + */ + public function getIndices() + { + return $this->getObjectsByIdentifier + (self::SIMPLE_INDEX . "|" . self::INDEX . "|" . + self::MEDIA_OBJECT_INDEX . "|" . self::TIMECODE_INDEX); + } + + /** + * Writes the changes back to the original media file. + * + * Please note: currently the method writes only Content Description and + * Extended Content Description Objects. + */ + public function write() + { + throw new ASF_Exception("Not yet supported"); + } +} |