2147483647) $top = $top - 4294967296; //this makes the number signed instead of unsigned if($bottom!=0) $data=$top/$bottom; else if($top==0) $data = 0; else $data=$top."/".$bottom; if(($tag=="011a" || $tag=="011b") && $bottom==1) { //XResolution YResolution $data=$top." dots per ResolutionUnit"; } else if($tag=="829a") { //Exposure Time if($top/10 == 1) $data="1/".round($bottom/10, 0)." sec"; else $data=$top."/".$bottom." sec"; } else if($tag=="829d") { //FNumber $data="f ".$data; } else if($tag=="9204") { //ExposureBiasValue $data=$data." EV"; } else if($tag=="9205" || $tag=="9202") { //ApertureValue and MaxApertureValue //ApertureValue is given in the APEX Mode. Many thanks to Matthieu Froment for this code //The formula is : Aperture = 2*log2(FNumber) <=> FNumber = e((Aperture.ln(2))/2) $data = exp(($data*log(2))/2); $data = round($data, 1);//Focal is given with a precision of 1 digit. $data="f ".$data; } else if($tag=="920a") { //FocalLength $data=$data." mm"; } else if($tag=="9201") { //ShutterSpeedValue // The ShutterSpeedValue is given in the APEX mode. Many thanks to Matthieu Froment for this code // The formula is : Shutter = - log2(exposureTime) (Appendix C of EXIF spec.) // Where shutter is in APEX, log2(exposure) = ln(exposure)/ln(2) // So final formula is : exposure = exp(-ln(2).shutter) // The formula can be developed : exposure = 1/(exp(ln(2).shutter)) $data = exp($data * log(2)); if ($data > 1) $data = floor($data); //Drop the decimal. if ($data > 0) { $data = 1/$data; //Final calculation. We now have a floating number. Transform it in a pretty number $n=0;$d=0; ConvertToFraction($data, $n, $d); if ($n>=1 && $d==1) $data = $n." sec"; //To avoid exposure times style 3/1 sec. else $data = $n."/".$d." sec"; } else { $data = "Bulb"; } } } else if($type=="USHORT" || $type=="SSHORT" || $type=="ULONG" || $type=="SLONG" || $type=="FLOAT" || $type=="DOUBLE") { $data = bin2hex($data); if($intel==1) $data = intel2Moto($data); if($intel==0 && ($type=="USHORT" || $type=="SSHORT")) $data = substr($data,0,4); $data=hexdec($data); if($type=="SSHORT" && $data>32767) $data = $data - 65536; //this makes the number signed instead of unsigned if($type=="SLONG" && $data>2147483647) $data = $data - 4294967296; //this makes the number signed instead of unsigned if($tag=="0112") { //Orientation if($data==1) $data = "Normal (O deg)"; if($data==2) $data = "Mirrored"; if($data==3) $data = "Upsidedown"; if($data==4) $data = "Upsidedown Mirrored"; if($data==5) $data = "90 deg CW Mirrored"; if($data==6) $data = "90 deg CCW"; if($data==7) $data = "90 deg CCW Mirrored"; if($data==8) $data = "90 deg CW"; } else if($tag=="0128" || $tag=="a210" || $tag=="0128") { //ResolutionUnit and FocalPlaneResolutionUnit and ThumbnailResolutionUnit if($data==1) $data = "No Unit"; if($data==2) $data = "Inch"; if($data==3) $data = "Centimeter"; } else if($tag=="0213") { //YCbCrPositioning if($data==1) $data = "Center of Pixel Array"; if($data==2) $data = "Datum Point"; } else if($tag=="8822") { //ExposureProgram if($data==1) $data = "Manual"; else if($data==2) $data = "Program"; else if($data==3) $data = "Aperature Priority"; else if($data==4) $data = "Shutter Priority"; else if($data==5) $data = "Program Creative"; else if($data==6) $data = "Program Action"; else if($data==7) $data = "Portrat"; else if($data==8) $data = "Landscape"; else $data = "Unknown: ".$data; } else if($tag=="9207") { //MeteringMode if($data==0) $data = "Unknown"; else if($data==1) $data = "Average"; else if($data==2) $data = "Center Weighted Average"; else if($data==3) $data = "Spot"; else if($data==4) $data = "Multi-Spot"; else if($data==5) $data = "Multi-Segment"; else if($data==6) $data = "Partial"; else if($data==255) $data = "Other"; else $data = "Unknown: ".$data; } else if($tag=="9208") { //LightSource if($data==0) $data = "Unknown or Auto"; else if($data==1) $data = "Daylight"; else if($data==2) $data = "Flourescent"; else if($data==3) $data = "Tungsten"; else if($data==10) $data = "Flash"; else if($data==17) $data = "Standard Light A"; else if($data==18) $data = "Standard Light B"; else if($data==19) $data = "Standard Light C"; else if($data==20) $data = "D55"; else if($data==21) $data = "D65"; else if($data==22) $data = "D75"; else if($data==255) $data = "Other"; else $data = "Unknown: ".$data; } else if($tag=="9209") { //Flash if($data==0) $data = "No Flash"; else if($data==1) $data = "Flash"; else if($data==5) $data = "Flash, strobe return light not detected"; else if($data==7) $data = "Flash, strob return light detected"; else if($data==9) $data = "Compulsory Flash"; else if($data==13) $data = "Compulsory Flash, Return light not detected"; else if($data==15) $data = "Compulsory Flash, Return light detected"; else if($data==16) $data = "No Flash"; else if($data==24) $data = "No Flash"; else if($data==25) $data = "Flash, Auto-Mode"; else if($data==29) $data = "Flash, Auto-Mode, Return light not detected"; else if($data==31) $data = "Flash, Auto-Mode, Return light detected"; else if($data==32) $data = "No Flash"; else if($data==65) $data = "Red Eye"; else if($data==69) $data = "Red Eye, Return light not detected"; else if($data==71) $data = "Red Eye, Return light detected"; else if($data==73) $data = "Red Eye, Compulsory Flash"; else if($data==77) $data = "Red Eye, Compulsory Flash, Return light not detected"; else if($data==79) $data = "Red Eye, Compulsory Flash, Return light detected"; else if($data==89) $data = "Red Eye, Auto-Mode"; else if($data==93) $data = "Red Eye, Auto-Mode, Return light not detected"; else if($data==95) $data = "Red Eye, Auto-Mode, Return light detected"; else $data = "Unknown: ".$data; } else if($tag=="a001") { //ColorSpace if($data==1) $data = "sRGB"; else $data = "Uncalibrated"; } else if($tag=="a002" || $tag=="a003") { //ExifImageWidth/Height $data = $data. " pixels"; } else if($tag=="0103") { //Compression if($data==1) $data = "No Compression"; else if($data==6) $data = "Jpeg Compression"; else $data = "Unknown: ".$data; } else if($tag=="a217") { //SensingMethod if($data==1) $data = "Not defined"; if($data==2) $data = "One Chip Color Area Sensor"; if($data==3) $data = "Two Chip Color Area Sensor"; if($data==4) $data = "Three Chip Color Area Sensor"; if($data==5) $data = "Color Sequential Area Sensor"; if($data==7) $data = "Trilinear Sensor"; if($data==8) $data = "Color Sequential Linear Sensor"; else $data = "Unknown: ".$data; } else if($tag=="0106") { //PhotometricInterpretation if($data==1) $data = "Monochrome"; else if($data==2) $data = "RGB"; else if($data==6) $data = "YCbCr"; else $data = "Unknown: ".$data; } } else if($type=="UNDEFINED") { if($tag=="9000" || $tag=="a000" || $tag=="0002") { //ExifVersion,FlashPixVersion,InteroperabilityVersion $data="version ".$data/100; } if($tag=="a300") { //FileSource $data = bin2hex($data); $data = str_replace("00","",$data); $data = str_replace("03","Digital Still Camera",$data); } if($tag=="a301") { //SceneType $data = bin2hex($data); $data = str_replace("00","",$data); $data = str_replace("01","Directly Photographed",$data); } if($tag=="9101") { //ComponentsConfiguration $data = bin2hex($data); $data = str_replace("01","Y",$data); $data = str_replace("02","Cb",$data); $data = str_replace("03","Cr",$data); $data = str_replace("04","R",$data); $data = str_replace("05","G",$data); $data = str_replace("06","B",$data); $data = str_replace("00","",$data); } } else { $data = bin2hex($data); if($intel==1) $data = intel2Moto($data); } return $data; } //================================================================================================ //================================================================================================ // Reads one standard IFD entry //================================================================================================ //================================================================================================ function read_entry(&$result,$in,$seek,$intel,$ifd_name,$globalOffset) { if(feof($in)) { //test to make sure we can still read. $result['Errors'] = $result['Errors']+1; return; } //2 byte tag $tag = bin2hex(fread( $in, 2 )); if($intel==1) $tag = intel2Moto($tag); $tag_name = lookup_tag($tag); //2 byte datatype $type = bin2hex(fread( $in, 2 )); if($intel==1) $type = intel2Moto($type); lookup_type($type,$size); //4 byte number of elements $count = bin2hex(fread( $in, 4 )); if($intel==1) $count = intel2Moto($count); $bytesofdata = $size*hexdec($count); //4 byte value or pointer to value if larger than 4 bytes $value = fread( $in, 4 ); if($bytesofdata<=4) { //if datatype is 4 bytes or less, its the value $data = $value; } else if($bytesofdata<100000) { //otherwise its a pointer to the value, so lets go get it $value = bin2hex($value); if($intel==1) $value = intel2Moto($value); $v = fseek($seek,$globalOffset+hexdec($value)); //offsets are from TIFF header which is 12 bytes from the start of the file if($v==0) { $data = fread($seek, $bytesofdata); } else if($v==-1) { $result['Errors'] = $result['Errors']+1; } } else { //bytesofdata was too big, so the exif had an error $result['Errors'] = $result['Errors']+1; return; } if($tag_name=="MakerNote") { //if its a maker tag, we need to parse this specially $make = $result['IFD0']['Make']; if($result['VerboseOutput']==1) { $result[$ifd_name]['MakerNote']['RawData'] = $data; } if(eregi("NIKON",$make)) { require_once('makers/nikon.php'); parseNikon($data,$result); $result[$ifd_name]['KnownMaker'] = 1; } else if(eregi("OLYMPUS",$make)) { require_once('makers/olympus.php'); parseOlympus($data,$result,$seek,$globalOffset); $result[$ifd_name]['KnownMaker'] = 1; } else if(eregi("Canon",$make)) { require_once('makers/canon.php'); parseCanon($data,$result,$seek,$globalOffset); $result[$ifd_name]['KnownMaker'] = 1; } else if(eregi("FUJIFILM",$make)) { require_once('makers/fujifilm.php'); parseFujifilm($data,$result); $result[$ifd_name]['KnownMaker'] = 1; } else if(eregi("SANYO",$make)) { require_once('makers/sanyo.php'); parseSanyo($data,$result,$seek,$globalOffset); $result[$ifd_name]['KnownMaker'] = 1; } else { $result[$ifd_name]['KnownMaker'] = 0; } } else if($tag_name=="GPSInfoOffset") { require_once('makers/gps.php'); $formated_data = formatData($type,$tag,$intel,$data); $result[$ifd_name]['GPSInfo'] = $formated_data; parseGPS($data,$result,$formated_data,$seek,$globalOffset); } else { //Format the data depending on the type and tag $formated_data = formatData($type,$tag,$intel,$data); $result[$ifd_name][$tag_name] = $formated_data; if($result['VerboseOutput']==1) { if($type=="URATIONAL" || $type=="SRATIONAL" || $type=="USHORT" || $type=="SSHORT" || $type=="ULONG" || $type=="SLONG" || $type=="FLOAT" || $type=="DOUBLE") { $data = bin2hex($data); if($intel==1) $data = intel2Moto($data); } $result[$ifd_name][$tag_name."_Verbose"]['RawData'] = $data; $result[$ifd_name][$tag_name."_Verbose"]['Type'] = $type; $result[$ifd_name][$tag_name."_Verbose"]['Bytes'] = $bytesofdata; } } } //================================================================================================ //================================================================================================ // Pass in a file and this reads the EXIF data // // Usefull resources // http://www.ba.wakwak.com/~tsuruzoh/Computer/Digicams/exif-e.html // http://www.w3.org/Graphics/JPEG/jfif.txt // http://exif.org/ // http://www.ozhiker.com/electronics/pjmt/library/list_contents.php4 // http://www.ozhiker.com/electronics/pjmt/jpeg_info/makernotes.html // http://pel.sourceforge.net/ // http://us2.php.net/manual/en/function.exif-read-data.php //================================================================================================ //================================================================================================ function read_exif_data_raw($path,$verbose) { if($path=='' || $path=='none') return; $in = @fopen($path, "rb"); //the b is for windows machines to open in binary mode $seek = @fopen($path, "rb"); //There may be an elegant way to do this with one file handle. $globalOffset = 0; if(!isset($verbose)) $verbose=0; $result['VerboseOutput'] = $verbose; $result['Errors'] = 0; if(!$in || !$seek) { //if the path was invalid, this error will catch it $result['Errors'] = 1; $result['Error'][$result['Errors']] = "The file could not be found."; return $result; } //First 2 bytes of JPEG are 0xFFD8 $data = bin2hex(fread( $in, 2 )); if($data=="ffd8") { $result['ValidJpeg'] = 1; } else { $result['ValidJpeg'] = 0; fclose($in); fclose($seek); return $result; } $result['ValidIPTCData'] = 0; $result['ValidJFIFData'] = 0; $result['ValidEXIFData'] = 0; $result['ValidAPP2Data'] = 0; $result['ValidCOMData'] = 0; //Next 2 bytes are MARKER tag (0xFFE#) $data = bin2hex(fread( $in, 2 )); $size = bin2hex(fread( $in, 2 )); //LOOP THROUGH MARKERS TILL YOU GET TO FFE1 (exif marker) while(!feof($in) && $data!="ffe1" && $data!="ffc0" && $data!="ffd9") { if($data=="ffe0") { //JFIF Marker $result['ValidJFIFData'] = 1; $result['JFIF']['Size'] = hexdec($size); if(hexdec($size)-2 > 0) { $data = fread( $in, hexdec($size)-2); $result['JFIF']['Data'] = $data; } $result['JFIF']['Identifier'] = substr($data,0,5);; $result['JFIF']['ExtensionCode'] = bin2hex(substr($data,6,1)); $globalOffset+=hexdec($size)+2; } else if($data=="ffed") { //IPTC Marker $result['ValidIPTCData'] = 1; $result['IPTC']['Size'] = hexdec($size); if(hexdec($size)-2 > 0) { $data = fread( $in, hexdec($size)-2); $result['IPTC']['Data'] = $data ; } $globalOffset+=hexdec($size)+2; } else if($data=="ffe2") { //EXIF extension Marker $result['ValidAPP2Data'] = 1; $result['APP2']['Size'] = hexdec($size); if(hexdec($size)-2 > 0) { $data = fread( $in, hexdec($size)-2); $result['APP2']['Data'] = $data ; } $globalOffset+=hexdec($size)+2; } else if($data=="fffe") { //COM extension Marker $result['ValidCOMData'] = 1; $result['COM']['Size'] = hexdec($size); if(hexdec($size)-2 > 0) { $data = fread( $in, hexdec($size)-2); $result['COM']['Data'] = $data ; } $globalOffset+=hexdec($size)+2; } else if($data=="ffe1") { $result['ValidEXIFData'] = 1; } $data = bin2hex(fread( $in, 2 )); $size = bin2hex(fread( $in, 2 )); } //END MARKER LOOP if($data=="ffe1") { $result['ValidEXIFData'] = 1; } else { fclose($in); fclose($seek); return $result; } //Size of APP1 $result['APP1Size'] = hexdec($size); //Start of APP1 block starts with "Exif" header (6 bytes) $header = fread( $in, 6 ); //Then theres a TIFF header with 2 bytes of endieness (II or MM) $header = fread( $in, 2 ); if($header==="II") { $intel=1; $result['Endien'] = "Intel"; } else if($header==="MM") { $intel=0; $result['Endien'] = "Motorola"; } else { $intel=1; //not sure what the default should be, but this seems reasonable $result['Endien'] = "Unknown"; } //2 bytes of 0x002a $tag = bin2hex(fread( $in, 2 )); //Then 4 bytes of offset to IFD0 (usually 8 which includes all 8 bytes of TIFF header) $offset = bin2hex(fread( $in, 4 )); if($intel==1) $offset = intel2Moto($offset); // Check for extremely large values here if(hexdec($offset) > 100000) { $result['ValidEXIFData'] = 0; fclose($in); fclose($seek); return $result; } if(hexdec($offset)>8) $unknown = fread( $in, hexdec($offset)-8); //fixed this bug in 1.3 //add 12 to the offset to account for TIFF header $globalOffset+=12; //===========================================================Start of IFD0 $num = bin2hex(fread( $in, 2 )); if($intel==1) $num = intel2Moto($num); $num = hexdec($num); $result['IFD0NumTags'] = $num; if($num<1000) { //1000 entries is too much and is probably an error. for($i=0;$i<$num;$i++) { read_entry($result,$in,$seek,$intel,"IFD0",$globalOffset); } } else { $result['Errors'] = $result['Errors']+1; $result['Error'][$result['Errors']] = "Illegal size for IFD0"; } //store offset to IFD1 $offset = bin2hex(fread( $in, 4 )); if($intel==1) $offset = intel2Moto($offset); $result['IFD1Offset'] = hexdec($offset); //Check for SubIFD if(!isset($result['IFD0']['ExifOffset']) || $result['IFD0']['ExifOffset']==0) { fclose($in); fclose($seek); return $result; } //seek to SubIFD (Value of ExifOffset tag) above. $ExitOffset = $result['IFD0']['ExifOffset']; $v = fseek($in,$globalOffset+$ExitOffset); if($v==-1) { $result['Errors'] = $result['Errors']+1; $result['Error'][$result['Errors']] = "Couldnt Find SubIFD"; } //===========================================================Start of SubIFD $num = bin2hex(fread( $in, 2 )); if($intel==1) $num = intel2Moto($num); $num = hexdec($num); $result['SubIFDNumTags'] = $num; if($num<1000) { //1000 entries is too much and is probably an error. for($i=0;$i<$num;$i++) { read_entry($result,$in,$seek,$intel,"SubIFD",$globalOffset); } } else { $result['Errors'] = $result['Errors']+1; $result['Error'][$result['Errors']] = "Illegal size for SubIFD"; } //Check for IFD1 if(!isset($result['IFD1Offset']) || $result['IFD1Offset']==0) { fclose($in); fclose($seek); return $result; } //seek to IFD1 $v = fseek($in,$globalOffset+$result['IFD1Offset']); if($v==-1) { $result['Errors'] = $result['Errors']+1; $result['Error'][$result['Errors']] = "Couldnt Find IFD1"; } //===========================================================Start of IFD1 $num = bin2hex(fread( $in, 2 )); if($intel==1) $num = intel2Moto($num); $num = hexdec($num); $result['IFD1NumTags'] = $num; if($num<1000) { //1000 entries is too much and is probably an error. for($i=0;$i<$num;$i++) { read_entry($result,$in,$seek,$intel,"IFD1",$globalOffset); } } else { $result['Errors'] = $result['Errors']+1; $result['Error'][$result['Errors']] = "Illegal size for IFD1"; } //if verbose output is on, stick in the thumbnail raw data if($result['VerboseOutput']==1 && $result['IFD1']['JpegIFOffset']>0 && $result['IFD1']['JpegIFByteCount']>0) { $v = fseek($seek,$globalOffset+$result['IFD1']['JpegIFOffset']); if($v==0) { $data = fread($seek, $result['IFD1']['JpegIFByteCount']); } else if($v==-1) { $result['Errors'] = $result['Errors']+1; } $result['IFD1']["ThumbnailData"] = $data; } //Check for Interoperability IFD if(!isset($result['SubIFD']['ExifInteroperabilityOffset']) || $result['SubIFD']['ExifInteroperabilityOffset']==0) { fclose($in); fclose($seek); return $result; } //seek to InteroperabilityIFD $v = fseek($in,$globalOffset+$result['SubIFD']['ExifInteroperabilityOffset']); if($v==-1) { $result['Errors'] = $result['Errors']+1; $result['Error'][$result['Errors']] = "Couldnt Find InteroperabilityIFD"; } //===========================================================Start of InteroperabilityIFD $num = bin2hex(fread( $in, 2 )); if($intel==1) $num = intel2Moto($num); $num = hexdec($num); $result['InteroperabilityIFDNumTags'] = $num; if($num<1000) { //1000 entries is too much and is probably an error. for($i=0;$i<$num;$i++) { read_entry($result,$in,$seek,$intel,"InteroperabilityIFD",$globalOffset); } } else { $result['Errors'] = $result['Errors']+1; $result['Error'][$result['Errors']] = "Illegal size for InteroperabilityIFD"; } fclose($in); fclose($seek); return $result; } //================================================================================================ //================================================================================================ // Converts a floating point number into a fraction. Many thanks to Matthieu Froment for this code //================================================================================================ //================================================================================================ function ConvertToFraction($v, &$n, &$d) { $MaxTerms = 15; //Limit to prevent infinite loop $MinDivisor = 0.000001; //Limit to prevent divide by zero $MaxError = 0.00000001; //How close is enough $f = $v; //Initialize fraction being converted $n_un = 1; //Initialize fractions with 1/0, 0/1 $d_un = 0; $n_deux = 0; $d_deux = 1; for ($i = 0;$i<$MaxTerms;$i++) { $a = floor($f); //Get next term $f = $f - $a; //Get new divisor $n = $n_un * $a + $n_deux; //Calculate new fraction $d = $d_un * $a + $d_deux; $n_deux = $n_un; //Save last two fractions $d_deux = $d_un; $n_un = $n; $d_un = $d; if ($f < $MinDivisor) //Quit if dividing by zero break; if (abs($v - $n / $d) < $MaxError) break; $f = 1 / $f; //Take reciprocal } } ?> Geert's Place

Picture of my homestudio

January 16th, 2011 No comments

A picture of my “playroom”, as it is right now.. Still on the wishlist : Nord Rack 2X

Categories: Music Tags:

Infected by the Virus !

January 12th, 2011 No comments

Finally my new little beastie has arrived – a Virus TI ! :)

An overview of the Virus family of synths can be on the website of Access Music

Its specs :
Polyphony – Over 80 voices
Multitimbral – 16 parts
Oscillators – 3 osc + subosc + noise, FM, Sync
Waveforms – Sine / pulse / saw / supersaw / wavetable / granular / formant
Filter - dual LP/HP/BP/BR with envelopes and addtional multi-pole analog emulations (includes Minimoog 4-pole emulation)
LFO – 3 LFOs, multiple options plus mod matrix 18 slots
Envelope – Amp / Filter / ‘LFO as envelope’ option
Sequencer – none onboard
Arpeggiator – Up / Down / Random / Chord / Multiple additions, editable in software to any variation
Effects – Reverbs, Delays, EQs with Q and freq control, Tape Delays, Distortions (multiple), Phasers, Flangers, Chorus, Analog EQs, Vocoder.
Keyboard – 3-oct (37 key) or 5-oct (61 key) models
Memory – 128 patches in each of 30 banks plus USB storage / Librarian with additional free patchbanks provided regularly by Access
Control – MIDI, USB, 16-part multitimbral in Multi or sequencer modes

Categories: Music Tags:

Super 8 & Tab ft Julie Thompson – My Enemy

January 5th, 2011 No comments

Fantastic new track just released on Anjunabeats :
Super 8 & Tab ft Julie Thompson – My Enemy

The Rank 1 remix just rocks ;) Check it out here !!

Categories: Music Tags:

Current Studio Setup

January 4th, 2011 No comments

This is the equipment I’m currently using in my studio :

Intel Dual-core @ 3Ghz, 4GB RAM, Windows 7 64-bit, Cubase 5
Sapphire Pro 24 (audio interface)
KRK Rokit RP6 G2 (monitors)
Behringer UMX49 (MIDI controller keyboard)
Access Virus TI (virtual analog synth)
Roland JV880 (synth module)
Jomox AirBase 99 (drumcomputer)
Roland MKS-50 (synth Module)
A whole bunch of VSTi’s including: Sylenth1, Vanguard, Battery, Discovery Pro, Nexus, z3ta+, Trilian, and many more….

On the wishlist :

Nord Rack 2x

Categories: Music Tags: