1583 function getMP3headerFilepointer(&$fd, &$ThisFileInfo) {  argument
1585 	getOnlyMPEGaudioInfo($fd, $ThisFileInfo, $ThisFileInfo['avdataoffset']);
1659 function decodeMPEGaudioHeader($fd, $offset, &$ThisFileInfo, $recursivesearch=true, $ScanAsCBR=fals…  argument
1682 	fseek($fd, $offset, SEEK_SET);
1683 …$headerstring = fread($fd, 1441); // worse-case max length = 32kHz @ 320kbps layer 3 = 1441 bytes/…
2066 				if (RecursiveFrameScanning($fd, $ThisFileInfo, $offset, $nextframetestoffset, true)) {
2091 			$framebytelength = FreeFormatFrameLength($fd, $offset, $ThisFileInfo, true);
2127 		if (!RecursiveFrameScanning($fd, $ThisFileInfo, $offset, $nextframetestoffset, $ScanAsCBR)) {
2239 function RecursiveFrameScanning(&$fd, &$ThisFileInfo, &$offset, &$nextframetestoffset, $ScanAsCBR) {  argument
2248 		if (decodeMPEGaudioHeader($fd, $nextframetestoffset, $nextframetestarray, false)) {
2277 function FreeFormatFrameLength($fd, $offset, &$ThisFileInfo, $deepscan=false) {  argument
2278 	fseek($fd, $offset, SEEK_SET);
2279 	$MPEGaudioData = fread($fd, 32768);
2326 			fseek($fd, $nextoffset - 1, SEEK_SET);
2327 			$NextSyncPattern = fread($fd, 6);
2353 function getOnlyMPEGaudioInfo($fd, &$ThisFileInfo, $avdataoffset, $BitrateHistogram=false) {  argument
2356 	fseek($fd, $avdataoffset, SEEK_SET);
2378 …$header_len) && (($avdataoffset + $SynchSeekOffset)  < $ThisFileInfo['avdataend']) && !feof($fd)) {
2394 			} elseif ($header .= fread($fd, 32768)) {
2426 …if (!decodeMPEGaudioHeader($fd, $avdataoffset + $SynchSeekOffset, $FirstFrameThisfileInfo, false))…
2434 			if (decodeMPEGaudioHeader($fd, $avdataoffset + $SynchSeekOffset, $dummy, true)) {
2458 						if (decodeMPEGaudioHeader($fd, $GarbageOffsetEnd, $dummy, true, true)) {
2500 					while (decodeMPEGaudioHeader($fd, $synchstartoffset, $dummy, false, false, $FastMode)) {