module.audio-video.bink.php

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<?php
//  available at http://getid3.sourceforge.net                 //
//            or http://www.getid3.org                         //
// See readme.txt for more details                             //
//                                                             //
// module.audio.bink.php                                       //
// module for analyzing Bink or Smacker audio-video files      //
// dependencies: NONE                                          //
//                                                            ///
 
 
class getid3_bink
{
 
        function getid3_bink(&$fd, &$ThisFileInfo) {
 
$ThisFileInfo['error'][] = 'Bink / Smacker files not properly processed by this version of getID3()';
 
                fseek($fd, $ThisFileInfo['avdataoffset'], SEEK_SET);
                $fileTypeID = fread($fd, 3);
                switch ($fileTypeID) {
                        case 'BIK':
                                return $this->ParseBink($fd, $ThisFileInfo);
                                break;
 
                        case 'SMK':
                                return $this->ParseSmacker($fd, $ThisFileInfo);
                                break;
 
                        default:
                                $ThisFileInfo['error'][] = 'Expecting "BIK" or "SMK" at offset '.$ThisFileInfo['avdataoffset'].', found "'.$fileTypeID.'"';
                                return false;
                                break;
                }
 
                return true;
 
        }
 
        function ParseBink(&$fd, &$ThisFileInfo) {
                $ThisFileInfo['fileformat']          = 'bink';
                $ThisFileInfo['video']['dataformat'] = 'bink';
 
                $fileData = 'BIK'.fread($fd, 13);
 
                $ThisFileInfo['bink']['data_size']   = getid3_lib::LittleEndian2Int(substr($fileData, 4, 4));
                $ThisFileInfo['bink']['frame_count'] = getid3_lib::LittleEndian2Int(substr($fileData, 8, 2));
 
                if (($ThisFileInfo['avdataend'] - $ThisFileInfo['avdataoffset']) != ($ThisFileInfo['bink']['data_size'] + 8)) {
                        $ThisFileInfo['error'][] = 'Probably truncated file: expecting '.$ThisFileInfo['bink']['data_size'].' bytes, found '.($ThisFileInfo['avdataend'] - $ThisFileInfo['avdataoffset']);
                }
 
                return true;
        }
 
        function ParseSmacker(&$fd, &$ThisFileInfo) {
                $ThisFileInfo['fileformat']          = 'smacker';
                $ThisFileInfo['video']['dataformat'] = 'smacker';
 
                return false;
        }
 
}
 
?>