diff options
Diffstat (limited to 'libraries/phpvideotoolkit/adapters/ffmpeg-php/php-reader/src/ASF/Object/Data.php')
| -rw-r--r-- | libraries/phpvideotoolkit/adapters/ffmpeg-php/php-reader/src/ASF/Object/Data.php | 126 |
1 files changed, 126 insertions, 0 deletions
diff --git a/libraries/phpvideotoolkit/adapters/ffmpeg-php/php-reader/src/ASF/Object/Data.php b/libraries/phpvideotoolkit/adapters/ffmpeg-php/php-reader/src/ASF/Object/Data.php new file mode 100644 index 0000000..2904693 --- /dev/null +++ b/libraries/phpvideotoolkit/adapters/ffmpeg-php/php-reader/src/ASF/Object/Data.php @@ -0,0 +1,126 @@ +<?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 ASF + * @copyright Copyright (c) 2008 The PHP Reader Project Workgroup + * @license http://code.google.com/p/php-reader/wiki/License New BSD License + * @version $Id: Data.php 108 2008-09-05 17:00:05Z svollbehr $ + */ + +/**#@+ @ignore */ +require_once("ASF/Object.php"); +require_once("ASF/Object/Data/Packet.php"); +/**#@-*/ + +/** + * The <i>Data Object</i> contains all of the <i>Data Packet</i>s for a file. + * These Data Packets are organized in terms of increasing send times. A <i>Data + * Packet</i> can contain interleaved data from several digital media streams. + * This data can consist of entire objects from one or more streams. + * Alternatively, it can consist of partial objects (fragmentation). + * + * Capabilities provided within the interleave packet definition include: + * o Single or multiple payload types per Data Packet + * o Fixed-size Data Packets + * o Error correction information (optional) + * o Clock information (optional) + * o Redundant sample information, such as presentation time stamp (optional) + * + * @todo Implement optional support for ASF Data Packet parsing + * @package php-reader + * @subpackage ASF + * @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: 108 $ + */ +final class ASF_Object_Data extends ASF_Object +{ + /** @var string */ + private $_fileId; + + /** @var integer */ + private $_totalDataPackets; + + /** @var Array */ + private $_dataPackets; + + /** + * 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); + + $this->_fileId = $this->_reader->readGUID(); + $this->_totalDataPackets = $this->_reader->readInt64LE(); + $this->_reader->skip(2); + /* Data packets are not supported + * for ($i = 0; $i < $this->_totalDataPackets; $i++) { + * $this->_dataPackets[] = new ASF_Object_Data_Packet($reader); + * } + */ + } + + /** + * Returns the unique identifier for this ASF file. The value of this field + * is changed every time the file is modified in any way. The value of this + * field is identical to the value of the <i>File ID</i> field of the + * <i>Header Object</i>. + * + * @return string + */ + public function getFileId() { return $this->_fileId; } + + /** + * Returns the number of ASF Data Packet entries that exist within the <i>Data + * Object</i>. It must be equal to the <i>Data Packet Count</i> field in the + * <i>File Properties Object</i>. The value of this field is invalid if the + * broadcast flag field of the <i>File Properties Object</i> is set to 1. + * + * @return integer + */ + public function getTotalDataPackets() { return $this->_endTime; } + + /** + * Returns an array of Data Packets. + * + * @return Array + */ + public function getDataPackets() + { + throw new ASF_Exception("Data packets are not parsed due to optimization."); + } +} |