diff options
Diffstat (limited to 'extensions/TimedMediaHandler/handlers/OggHandler/File_Ogg/File/Ogg/Bitstream.php')
| -rw-r--r-- | extensions/TimedMediaHandler/handlers/OggHandler/File_Ogg/File/Ogg/Bitstream.php | 125 |
1 files changed, 125 insertions, 0 deletions
diff --git a/extensions/TimedMediaHandler/handlers/OggHandler/File_Ogg/File/Ogg/Bitstream.php b/extensions/TimedMediaHandler/handlers/OggHandler/File_Ogg/File/Ogg/Bitstream.php new file mode 100644 index 00000000..1a462232 --- /dev/null +++ b/extensions/TimedMediaHandler/handlers/OggHandler/File_Ogg/File/Ogg/Bitstream.php @@ -0,0 +1,125 @@ +<?php +/* vim: set expandtab tabstop=4 shiftwidth=4: */ +// +----------------------------------------------------------------------------+ +// | File_Ogg PEAR Package for Accessing Ogg Bitstreams | +// | Copyright (c) 2005-2007 | +// | David Grant <david@grant.org.uk> | +// | Tim Starling <tstarling@wikimedia.org> | +// +----------------------------------------------------------------------------+ +// | This library is free software; you can redistribute it and/or | +// | modify it under the terms of the GNU Lesser General Public | +// | License as published by the Free Software Foundation; either | +// | version 2.1 of the License, or (at your option) any later version. | +// | | +// | This library is distributed in the hope that it will be useful, | +// | but WITHOUT ANY WARRANTY; without even the implied warranty of | +// | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | +// | Lesser General Public License for more details. | +// | | +// | You should have received a copy of the GNU Lesser General Public | +// | License along with this library; if not, write to the Free Software | +// | Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA | +// +----------------------------------------------------------------------------+ + + +/** + * @author David Grant <david@grant.org.uk>, Tim Starling <tstarling@wikimedia.org> + * @category File + * @copyright David Grant <david@grant.org.uk>, Tim Starling <tstarling@wikimedia.org> + * @license http://www.gnu.org/copyleft/lesser.html GNU LGPL + * @link http://pear.php.net/package/File_Ogg + * @package File_Ogg + * @version CVS: $Id: Bitstream.php,v 1.3 2005/11/08 19:36:18 djg Exp $ + */ +class File_Ogg_Bitstream +{ + /** + * The serial number of this logical stream. + * + * @var int + * @access private + */ + var $_streamSerial; + /** + * @access private + */ + var $_streamData; + /** + * @access private + */ + var $_filePointer; + /** + * The number of bits used in this stream. + * + * @var int + * @access private + */ + var $_streamSize; + + /** + * The last granule position in the stream + * @var int + * @access private + */ + var $_lastGranulePos; + + /** + * Constructor for a generic logical stream. + * + * @param int $streamSerial Serial number of the logical stream. + * @param array $streamData Data for the requested logical stream. + * @param string $filePath Location of a file on the filesystem. + * @param pointer $filePointer File pointer for the current physical stream. + * @access private + */ + function __construct($streamSerial, $streamData, $filePointer) + { + $this->_streamSerial = $streamSerial; + $this->_streamData = $streamData; + $this->_filePointer = $filePointer; + $this->_firstGranulePos = $streamData['first_granule_pos']; + $this->_lastGranulePos = $streamData['last_granule_pos']; + $this->_streamSize = $streamData['data_length']; + $this->_group = $streamData['pages'][0]['group']; + } + + /** + * Gives the serial number of this stream. + * + * The stream serial number is of fairly academic importance, as it makes little + * difference to the end user. The serial number is used by the Ogg physical + * stream to distinguish between concurrent logical streams. + * + * @return int + * @access public + */ + function getSerial() + { + return ($this->_streamSerial); + } + + /** + * Gives the size (in bits) of this stream. + * + * This function returns the size of the Vorbis stream within the Ogg + * physical stream. + * + * @return int + * @access public + */ + function getSize() + { + return ($this->_streamSize); + } + + /** + * Get the multiplexed group ID + */ + function getGroup() + { + return $this->_group; + } + +} + +?> |