<?php
/////////////////////////////////////////////////////////////////
/// getID3() by James Heinrich <info@getid3.org> //
// available at http://getid3.sourceforge.net ///
// or http://www.getid3.org ///
/////////////////////////////////////////////////////////////////
// //
// getid3.midi.php - part of getID3() //
// See getid3.readme.txt for more details //
// //
/////////////////////////////////////////////////////////////////
function getMIDIHeaderFilepointer(&$fd, &$ThisFileInfo, $scanwholefile=true) {
$ThisFileInfo['fileformat'] = 'midi';
$ThisFileInfo['audio']['dataformat'] = 'midi';
fseek($fd, $ThisFileInfo['avdataoffset'], SEEK_SET);
$MIDIdata = fread($fd, FREAD_BUFFER_SIZE);
$offset = 0;
$MIDIheaderID = substr($MIDIdata, $offset, 4); // 'MThd'
if ($MIDIheaderID != 'MThd') {
$ThisFileInfo['error'] .= "\n".'Expecting "MThd" at offset '.$ThisFileInfo['avdataoffset'].', found "'.$MIDIheaderID.'"';
unset($ThisFileInfo['fileformat']);
return false;
}
$offset += 4;
$ThisFileInfo['midi']['raw']['headersize'] = BigEndian2Int(substr($MIDIdata, $offset, 4));
$offset += 4;
$ThisFileInfo['midi']['raw']['fileformat'] = BigEndian2Int(substr($MIDIdata, $offset, 2));
$offset += 2;
$ThisFileInfo['midi']['raw']['tracks'] = BigEndian2Int(substr($MIDIdata, $offset, 2));
$offset += 2;
$ThisFileInfo['midi']['raw']['ticksperqnote'] = BigEndian2Int(substr($MIDIdata, $offset, 2));
$offset += 2;
for ($i = 0; $i < $ThisFileInfo['midi']['raw']['tracks']; $i++) {
if ((strlen($MIDIdata) - $offset) < 8) {
$MIDIdata .= fread($fd, FREAD_BUFFER_SIZE);
}
$trackID = substr($MIDIdata, $offset, 4);
$offset += 4;
if ($trackID == 'MTrk') {
$tracksize = BigEndian2Int(substr($MIDIdata, $offset, 4));
$offset += 4;
// $ThisFileInfo['midi']['tracks'][$i]['size'] = $tracksize;
$trackdataarray[$i] = substr($MIDIdata, $offset, $tracksize);
$offset += $tracksize;
} else {
$ThisFileInfo['error'] .= "\n".'Expecting "MTrk" at '.$offset.', found '.$trackID.' instead';
return false;
}
}
if (!isset($trackdataarray) || !is_array($trackdataarray)) {
$ThisFileInfo['error'] .= "\n".'Cannot find MIDI track information';
unset($ThisFileInfo['midi']);
unset($ThisFileInfo['fileformat']);
return false;
}
if ($scanwholefile) { // this can take quite a long time, so have the option to bypass it if speed is very important
$ThisFileInfo['midi']['totalticks'] = 0;
$ThisFileInfo['playtime_seconds'] = 0;
$CurrentMicroSecondsPerBeat = 500000; // 120 beats per minute; 60,000,000 microseconds per minute -> 500,000 microseconds per beat
$CurrentBeatsPerMinute = 120; // 120 beats per minute; 60,000,000 microseconds per minute -> 500,000 microseconds per beat
foreach ($trackdataarray as $tracknumber => $trackdata) {
$eventsoffset = 0;
$LastIssuedMIDIcommand = 0;
$LastIssuedMIDIchannel = 0;
$CumulativeDeltaTime = 0;
$TicksAtCurrentBPM = 0;
while ($eventsoffset < strlen($trackdata)) {
$eventid = 0;
if (isset($MIDIevents[$tracknumber]) && is_array($MIDIevents[$tracknumber])) {
$eventid = count($MIDIevents[$tracknumber]);
}
$deltatime = 0;
for ($i=0;$i<4;$i++) {
$deltatimebyte = ord(substr($trackdata, $eventsoffset++, 1));
$deltatime = ($deltatime << 7) + ($deltatimebyte & 0x7F);
if ($deltatimebyte & 0x80) {
// another byte follows
} else {
break;
}
}
$CumulativeDeltaTime += $deltatime;
$TicksAtCurrentBPM += $deltatime;
$MIDIevents[$tracknumber][$eventid]['deltatime'] = $deltatime;
$MIDI_event_channel = ord(substr($trackdata, $eventsoffset++, 1));
if ($MIDI_event_channel & 0x80) {
// OK, normal event - MIDI command has MSB set
$LastIssuedMIDIcommand = $MIDI_event_channel >> 4;
$LastIssuedMIDIchannel = $MIDI_event_channel & 0x0F;
} else {
// running event - assume last command
$eventsoffset--;
}
$MIDIevents[$tracknumber][$eventid]['eventid'] = $LastIssuedMIDIcommand;
$MIDIevents[$tracknumber][$eventid]['channel'] = $LastIssuedMIDIchannel;
if ($MIDIevents[$tracknumber][$eventid]['eventid'] == 0x8) { // Note off (key is released)
$notenumber = ord(substr($trackdata, $eventsoffset++, 1));
$velocity = ord(substr($trackdata, $eventsoffset++, 1));
} elseif ($MIDIevents[$tracknumber][$eventid]['eventid'] == 0x9) { // Note on (key is pressed)
$notenumber = ord(substr($trackdata, $eventsoffset++, 1));
$velocity = ord(substr($trackdata, $eventsoffset++, 1));
} elseif ($MIDIevents[$tracknumber][$eventid]['eventid'] == 0xA) { // Key after-touch
$notenumber = ord(substr($trackdata, $eventsoffset++, 1));
$velocity = ord(substr($trackdata, $eventsoffset++, 1));
} elseif ($MIDIevents[$tracknumber][$eventid]['eventid'] == 0xB) { // Control Change
$controllernum = ord(substr($trackdata, $eventsoffset++, 1));
$newvalue = ord(substr($trackdata, $eventsoffset++, 1));
} elseif ($MIDIevents[$tracknumber][$eventid]['eventid'] == 0xC) { // Program (patch) change
$newprogramnum = ord(substr($trackdata, $eventsoffset++, 1));
$ThisFileInfo['midi']['raw']['track'][$tracknumber]['instrumentid'] = $newprogramnum;
if ($tracknumber == 10) {
$ThisFileInfo['midi']['raw']['track'][$tracknumber]['instrument'] = GeneralMIDIpercussionLookup($newprogramnum);
} else {
$ThisFileInfo['midi']['raw']['track'][$tracknumber]['instrument'] = GeneralMIDIinstrumentLookup($newprogramnum);
}
} elseif ($MIDIevents[$tracknumber][$eventid]['eventid'] == 0xD) { // Channel after-touch
$channelnumber = ord(substr($trackdata, $eventsoffset++, 1));
} elseif ($MIDIevents[$tracknumber][$eventid]['eventid'] == 0xE) { // Pitch wheel change (2000H is normal or no change)
$changeLSB = ord(substr($trackdata, $eventsoffset++, 1));
$changeMSB = ord(substr($trackdata, $eventsoffset++, 1));
$pitchwheelchange = (($changeMSB & 0x7F) << 7) & ($changeLSB & 0x7F);
} elseif (($MIDIevents[$tracknumber][$eventid]['eventid'] == 0xF) && ($MIDIevents[$tracknumber][$eventid]['channel'] == 0xF)) {
$METAeventCommand = ord(substr($trackdata, $eventsoffset++, 1));
$METAeventLength = ord(substr($trackdata, $eventsoffset++, 1));
$METAeventData = substr($trackdata, $eventsoffset, $METAeventLength);
$eventsoffset += $METAeventLength;
switch ($METAeventCommand) {
case 0x00: // Set track sequence number
$track_sequence_number = BigEndian2Int(substr($METAeventData, 0, $METAeventLength));
//$ThisFileInfo['midi']['raw']['events'][$tracknumber][$eventid]['seqno'] = $track_sequence_number;
break;
case 0x01: // Text: generic
$text_generic = substr($METAeventData, 0, $METAeventLength);
//$ThisFileInfo['midi']['raw']['events'][$tracknumber][$eventid]['text'] = $text_generic;
if (empty($ThisFileInfo['midi']['comments']['comment'])) {
$ThisFileInfo['midi']['comments']['comment'] = '';
}
$ThisFileInfo['midi']['comments']['comment'] .= $text_generic."\n";
break;
case 0x02: // Text: copyright
$text_copyright = substr($METAeventData, 0, $METAeventLength);
//$ThisFileInfo['midi']['raw']['events'][$tracknumber][$eventid]['copyright'] = $text_copyright;
if (empty($ThisFileInfo['midi']['comments']['copyright'])) {
$ThisFileInfo['midi']['comments']['copyright'] = '';
}
$ThisFileInfo['midi']['comments']['copyright'] = $text_copyright."\n";
break;
case 0x03: // Text: track name
$text_trackname = substr($METAeventData, 0, $METAeventLength);
$ThisFileInfo['midi']['raw']['track'][$tracknumber]['name'] = $text_trackname;
break;
case 0x04: // Text: track instrument name
$text_instrument = substr($METAeventData, 0, $METAeventLength);
//$ThisFileInfo['midi']['raw']['events'][$tracknumber][$eventid]['instrument'] = $text_instrument;
break;
case 0x05: // Text: lyric
$text_lyric = substr($METAeventData, 0, $METAeventLength);
//$ThisFileInfo['midi']['raw']['events'][$tracknumber][$eventid]['lyric'] = $text_lyric;
if (!isset($ThisFileInfo['midi']['lyric'])) {
$ThisFileInfo['midi']['lyric'] = '';
}
$ThisFileInfo['midi']['lyric'] .= $text_lyric."\n";
break;
case 0x06: // Text: marker
$text_marker = substr($METAeventData, 0, $METAeventLength);
//$ThisFileInfo['midi']['raw']['events'][$tracknumber][$eventid]['marker'] = $text_marker;
break;
case 0x07: // Text: cue point
$text_cuepoint = substr($METAeventData, 0, $METAeventLength);
//$ThisFileInfo['midi']['raw']['events'][$tracknumber][$eventid]['cuepoint'] = $text_cuepoint;
break;
case 0x2F: // End Of Track
//$ThisFileInfo['midi']['raw']['events'][$tracknumber][$eventid]['EOT'] = $CumulativeDeltaTime;
break;
case 0x51: // Tempo: microseconds / quarter note
$CurrentMicroSecondsPerBeat = BigEndian2Int(substr($METAeventData, 0, $METAeventLength));
if ($CurrentMicroSecondsPerBeat == 0) {
$ThisFileInfo['error'] .= "\n".'Corrupt MIDI file: CurrentMicroSecondsPerBeat == zero';
return false;
}
$ThisFileInfo['midi']['raw']['events'][$tracknumber][$CumulativeDeltaTime]['us_qnote'] = $CurrentMicroSecondsPerBeat;
$CurrentBeatsPerMinute = (1000000 / $CurrentMicroSecondsPerBeat) * 60;
$MicroSecondsPerQuarterNoteAfter[$CumulativeDeltaTime] = $CurrentMicroSecondsPerBeat;
$TicksAtCurrentBPM = 0;
break;
case 0x58: // Time signature
$timesig_numerator = BigEndian2Int($METAeventData{0});
$timesig_denominator = pow(2, BigEndian2Int($METAeventData{1})); // $02 -> x/4, $03 -> x/8, etc
$timesig_32inqnote = BigEndian2Int($METAeventData{2}); // number of 32nd notes to the quarter note
//$ThisFileInfo['midi']['raw']['events'][$tracknumber][$eventid]['timesig_32inqnote'] = $timesig_32inqnote;
//$ThisFileInfo['midi']['raw']['events'][$tracknumber][$eventid]['timesig_numerator'] = $timesig_numerator;
//$ThisFileInfo['midi']['raw']['events'][$tracknumber][$eventid]['timesig_denominator'] = $timesig_denominator;
//$ThisFileInfo['midi']['raw']['events'][$tracknumber][$eventid]['timesig_text'] = $timesig_numerator.'/'.$timesig_denominator;
$ThisFileInfo['midi']['timesignature'][] = $timesig_numerator.'/'.$timesig_denominator;
break;
case 0x59: // Keysignature
$keysig_sharpsflats = BigEndian2Int($METAeventData{0});
if ($keysig_sharpsflats & 0x80) {
// (-7 -> 7 flats, 0 ->key of C, 7 -> 7 sharps)
$keysig_sharpsflats -= 256;
}
$keysig_majorminor = BigEndian2Int($METAeventData{1}); // 0 -> major, 1 -> minor
$keysigs = array(-7=>'Cb', -6=>'Gb', -5=>'Db', -4=>'Ab', -3=>'Eb', -2=>'Bb', -1=>'F', 0=>'C', 1=>'G', 2=>'D', 3=>'A', 4=>'E', 5=>'B', 6=>'F#', 7=>'C#');
//$ThisFileInfo['midi']['raw']['events'][$tracknumber][$eventid]['keysig_sharps'] = (($keysig_sharpsflats > 0) ? abs($keysig_sharpsflats) : 0);
//$ThisFileInfo['midi']['raw']['events'][$tracknumber][$eventid]['keysig_flats'] = (($keysig_sharpsflats < 0) ? abs($keysig_sharpsflats) : 0);
//$ThisFileInfo['midi']['raw']['events'][$tracknumber][$eventid]['keysig_minor'] = (bool) $keysig_majorminor;
//$ThisFileInfo['midi']['raw']['events'][$tracknumber][$eventid]['keysig_text'] = $keysigs[$keysig_sharpsflats].' '.($ThisFileInfo['midi']['raw']['events'][$tracknumber][$eventid]['keysig_minor'] ? 'minor' : 'major');
// $keysigs[$keysig_sharpsflats] gets an int key (correct) - $keysigs["$keysig_sharpsflats"] gets a string key (incorrect)
$ThisFileInfo['midi']['keysignature'][] = $keysigs[$keysig_sharpsflats].' '.((bool) $keysig_majorminor ? 'minor' : 'major');
break;
case 0x7F: // Sequencer specific information
$custom_data = substr($METAeventData, 0, $METAeventLength);
break;
default:
$ThisFileInfo['warning'] .= "\n".'Unhandled META Event Command: '.$METAeventCommand;
break;
}
} else {
$ThisFileInfo['warning'] .= "\n".'Unhandled MIDI Event ID: '.$MIDIevents[$tracknumber][$eventid]['eventid'];
}
}
if ($tracknumber > 0) {
$ThisFileInfo['midi']['totalticks'] = max($ThisFileInfo['midi']['totalticks'], $CumulativeDeltaTime);
}
}
$previoustickoffset = 0;
foreach ($MicroSecondsPerQuarterNoteAfter as $tickoffset => $microsecondsperbeat) {
if ($ThisFileInfo['midi']['totalticks'] > $tickoffset) {
if ($ThisFileInfo['midi']['raw']['ticksperqnote'] == 0) {
$ThisFileInfo['error'] .= "\n".'Corrupt MIDI file: ticksperqnote == zero';
return false;
}
$ThisFileInfo['playtime_seconds'] += (($tickoffset - $previoustickoffset) / $ThisFileInfo['midi']['raw']['ticksperqnote']) * ($microsecondsperbeat / 1000000);
$previoustickoffset = $tickoffset;
}
}
if ($ThisFileInfo['midi']['totalticks'] > $previoustickoffset) {
if ($ThisFileInfo['midi']['raw']['ticksperqnote'] == 0) {
$ThisFileInfo['error'] .= "\n".'Corrupt MIDI file: ticksperqnote == zero';
return false;
}
$ThisFileInfo['playtime_seconds'] += (($ThisFileInfo['midi']['totalticks'] - $previoustickoffset) / $ThisFileInfo['midi']['raw']['ticksperqnote']) * ($microsecondsperbeat / 1000000);
}
}
return true;
}
function GeneralMIDIinstrumentLookup($instrumentid) {
static $GeneralMIDIinstrumentLookup = array();
if (empty($GeneralMIDIinstrumentLookup)) {
$GeneralMIDIinstrumentLookup[0] = 'Acoustic Grand';
$GeneralMIDIinstrumentLookup[1] = 'Bright Acoustic';
$GeneralMIDIinstrumentLookup[2] = 'Electric Grand';
$GeneralMIDIinstrumentLookup[3] = 'Honky-Tonk';
$GeneralMIDIinstrumentLookup[4] = 'Electric Piano 1';
$GeneralMIDIinstrumentLookup[5] = 'Electric Piano 2';
$GeneralMIDIinstrumentLookup[6] = 'Harpsichord';
$GeneralMIDIinstrumentLookup[7] = 'Clav';
$GeneralMIDIinstrumentLookup[8] = 'Celesta';
$GeneralMIDIinstrumentLookup[9] = 'Glockenspiel';
$GeneralMIDIinstrumentLookup[10] = 'Music Box';
$GeneralMIDIinstrumentLookup[11] = 'Vibraphone';
$GeneralMIDIinstrumentLookup[12] = 'Marimba';
$GeneralMIDIinstrumentLookup[13] = 'Xylophone';
$GeneralMIDIinstrumentLookup[14] = 'Tubular Bells';
$GeneralMIDIinstrumentLookup[15] = 'Dulcimer';
$GeneralMIDIinstrumentLookup[16] = 'Drawbar Organ';
$GeneralMIDIinstrumentLookup[17] = 'Percussive Organ';
$GeneralMIDIinstrumentLookup[18] = 'Rock Organ';
$GeneralMIDIinstrumentLookup[19] = 'Church Organ';
$GeneralMIDIinstrumentLookup[20] = 'Reed Organ';
$GeneralMIDIinstrumentLookup[21] = 'Accordian';
$GeneralMIDIinstrumentLookup[22] = 'Harmonica';
$GeneralMIDIinstrumentLookup[23] = 'Tango Accordian';
$GeneralMIDIinstrumentLookup[24] = 'Acoustic Guitar (nylon)';
$GeneralMIDIinstrumentLookup[25] = 'Acoustic Guitar (steel)';
$GeneralMIDIinstrumentLookup[26] = 'Electric Guitar (jazz)';
$GeneralMIDIinstrumentLookup[27] = 'Electric Guitar (clean)';
$GeneralMIDIinstrumentLookup[28] = 'Electric Guitar (muted)';
$GeneralMIDIinstrumentLookup[29] = 'Overdriven Guitar';
$GeneralMIDIinstrumentLookup[30] = 'Distortion Guitar';
$GeneralMIDIinstrumentLookup[31] = 'Guitar Harmonics';
$GeneralMIDIinstrumentLookup[32] = 'Acoustic Bass';
$GeneralMIDIinstrumentLookup[33] = 'Electric Bass (finger)';
$GeneralMIDIinstrumentLookup[34] = 'Electric Bass (pick)';
$GeneralMIDIinstrumentLookup[35] = 'Fretless Bass';
$GeneralMIDIinstrumentLookup[36] = 'Slap Bass 1';
$GeneralMIDIinstrumentLookup[37] = 'Slap Bass 2';
$GeneralMIDIinstrumentLookup[38] = 'Synth Bass 1';
$GeneralMIDIinstrumentLookup[39] = 'Synth Bass 2';
$GeneralMIDIinstrumentLookup[40] = 'Violin';
$GeneralMIDIinstrumentLookup[41] = 'Viola';
$GeneralMIDIinstrumentLookup[42] = 'Cello';
$GeneralMIDIinstrumentLookup[43] = 'Contrabass';
$GeneralMIDIinstrumentLookup[44] = 'Tremolo Strings';
$GeneralMIDIinstrumentLookup[45] = 'Pizzicato Strings';
$GeneralMIDIinstrumentLookup[46] = 'Orchestral Strings';
$GeneralMIDIinstrumentLookup[47] = 'Timpani';
$GeneralMIDIinstrumentLookup[48] = 'String Ensemble 1';
$GeneralMIDIinstrumentLookup[49] = 'String Ensemble 2';
$GeneralMIDIinstrumentLookup[50] = 'SynthStrings 1';
$GeneralMIDIinstrumentLookup[51] = 'SynthStrings 2';
$GeneralMIDIinstrumentLookup[52] = 'Choir Aahs';
$GeneralMIDIinstrumentLookup[53] = 'Voice Oohs';
$GeneralMIDIinstrumentLookup[54] = 'Synth Voice';
$GeneralMIDIinstrumentLookup[55] = 'Orchestra Hit';
$GeneralMIDIinstrumentLookup[56] = 'Trumpet';
$GeneralMIDIinstrumentLookup[57] = 'Trombone';
$GeneralMIDIinstrumentLookup[58] = 'Tuba';
$GeneralMIDIinstrumentLookup[59] = 'Muted Trumpet';
$GeneralMIDIinstrumentLookup[60] = 'French Horn';
$GeneralMIDIinstrumentLookup[61] = 'Brass Section';
$GeneralMIDIinstrumentLookup[62] = 'SynthBrass 1';
$GeneralMIDIinstrumentLookup[63] = 'SynthBrass 2';
$GeneralMIDIinstrumentLookup[64] = 'Soprano Sax';
$GeneralMIDIinstrumentLookup[65] = 'Alto Sax';
$GeneralMIDIinstrumentLookup[66] = 'Tenor Sax';
$GeneralMIDIinstrumentLookup[67] = 'Baritone Sax';
$GeneralMIDIinstrumentLookup[68] = 'Oboe';
$GeneralMIDIinstrumentLookup[69] = 'English Horn';
$GeneralMIDIinstrumentLookup[70] = 'Bassoon';
$GeneralMIDIinstrumentLookup[71] = 'Clarinet';
$GeneralMIDIinstrumentLookup[72] = 'Piccolo';
$GeneralMIDIinstrumentLookup[73] = 'Flute';
$GeneralMIDIinstrumentLookup[74] = 'Recorder';
$GeneralMIDIinstrumentLookup[75] = 'Pan Flute';
$GeneralMIDIinstrumentLookup[76] = 'Blown Bottle';
$GeneralMIDIinstrumentLookup[77] = 'Shakuhachi';
$GeneralMIDIinstrumentLookup[78] = 'Whistle';
$GeneralMIDIinstrumentLookup[79] = 'Ocarina';
$GeneralMIDIinstrumentLookup[80] = 'Lead 1 (square)';
$GeneralMIDIinstrumentLookup[81] = 'Lead 2 (sawtooth)';
$GeneralMIDIinstrumentLookup[82] = 'Lead 3 (calliope)';
$GeneralMIDIinstrumentLookup[83] = 'Lead 4 (chiff)';
$GeneralMIDIinstrumentLookup[84] = 'Lead 5 (charang)';
$GeneralMIDIinstrumentLookup[85] = 'Lead 6 (voice)';
$GeneralMIDIinstrumentLookup[86] = 'Lead 7 (fifths)';
$GeneralMIDIinstrumentLookup[87] = 'Lead 8 (bass + lead)';
$GeneralMIDIinstrumentLookup[88] = 'Pad 1 (new age)';
$GeneralMIDIinstrumentLookup[89] = 'Pad 2 (warm)';
$GeneralMIDIinstrumentLookup[90] = 'Pad 3 (polysynth)';
$GeneralMIDIinstrumentLookup[91] = 'Pad 4 (choir)';
$GeneralMIDIinstrumentLookup[92] = 'Pad 5 (bowed)';
$GeneralMIDIinstrumentLookup[93] = 'Pad 6 (metallic)';
$GeneralMIDIinstrumentLookup[94] = 'Pad 7 (halo)';
$GeneralMIDIinstrumentLookup[95] = 'Pad 8 (sweep)';
$GeneralMIDIinstrumentLookup[96] = 'FX 1 (rain)';
$GeneralMIDIinstrumentLookup[97] = 'FX 2 (soundtrack)';
$GeneralMIDIinstrumentLookup[98] = 'FX 3 (crystal)';
$GeneralMIDIinstrumentLookup[99] = 'FX 4 (atmosphere)';
$GeneralMIDIinstrumentLookup[100] = 'FX 5 (brightness)';
$GeneralMIDIinstrumentLookup[101] = 'FX 6 (goblins)';
$GeneralMIDIinstrumentLookup[102] = 'FX 7 (echoes)';
$GeneralMIDIinstrumentLookup[103] = 'FX 8 (sci-fi)';
$GeneralMIDIinstrumentLookup[104] = 'Sitar';
$GeneralMIDIinstrumentLookup[105] = 'Banjo';
$GeneralMIDIinstrumentLookup[106] = 'Shamisen';
$GeneralMIDIinstrumentLookup[107] = 'Koto';
$GeneralMIDIinstrumentLookup[108] = 'Kalimba';
$GeneralMIDIinstrumentLookup[109] = 'Bagpipe';
$GeneralMIDIinstrumentLookup[110] = 'Fiddle';
$GeneralMIDIinstrumentLookup[111] = 'Shanai';
$GeneralMIDIinstrumentLookup[112] = 'Tinkle Bell';
$GeneralMIDIinstrumentLookup[113] = 'Agogo';
$GeneralMIDIinstrumentLookup[114] = 'Steel Drums';
$GeneralMIDIinstrumentLookup[115] = 'Woodblock';
$GeneralMIDIinstrumentLookup[116] = 'Taiko Drum';
$GeneralMIDIinstrumentLookup[117] = 'Melodic Tom';
$GeneralMIDIinstrumentLookup[118] = 'Synth Drum';
$GeneralMIDIinstrumentLookup[119] = 'Reverse Cymbal';
$GeneralMIDIinstrumentLookup[120] = 'Guitar Fret Noise';
$GeneralMIDIinstrumentLookup[121] = 'Breath Noise';
$GeneralMIDIinstrumentLookup[122] = 'Seashore';
$GeneralMIDIinstrumentLookup[123] = 'Bird Tweet';
$GeneralMIDIinstrumentLookup[124] = 'Telephone Ring';
$GeneralMIDIinstrumentLookup[125] = 'Helicopter';
$GeneralMIDIinstrumentLookup[126] = 'Applause';
$GeneralMIDIinstrumentLookup[127] = 'Gunshot';
}
return (isset($GeneralMIDIinstrumentLookup[$instrumentid]) ? $GeneralMIDIinstrumentLookup[$instrumentid] : '');
}
function GeneralMIDIpercussionLookup($instrumentid) {
static $GeneralMIDIpercussionLookup = array();
if (empty($GeneralMIDIpercussionLookup)) {
$GeneralMIDIpercussionLookup[35] = 'Acoustic Bass Drum';
$GeneralMIDIpercussionLookup[36] = 'Bass Drum 1';
$GeneralMIDIpercussionLookup[37] = 'Side Stick';
$GeneralMIDIpercussionLookup[38] = 'Acoustic Snare';
$GeneralMIDIpercussionLookup[39] = 'Hand Clap';
$GeneralMIDIpercussionLookup[40] = 'Electric Snare';
$GeneralMIDIpercussionLookup[41] = 'Low Floor Tom';
$GeneralMIDIpercussionLookup[42] = 'Closed Hi-Hat';
$GeneralMIDIpercussionLookup[43] = 'High Floor Tom';
$GeneralMIDIpercussionLookup[44] = 'Pedal Hi-Hat';
$GeneralMIDIpercussionLookup[45] = 'Low Tom';
$GeneralMIDIpercussionLookup[46] = 'Open Hi-Hat';
$GeneralMIDIpercussionLookup[47] = 'Low-Mid Tom';
$GeneralMIDIpercussionLookup[48] = 'Hi-Mid Tom';
$GeneralMIDIpercussionLookup[49] = 'Crash Cymbal 1';
$GeneralMIDIpercussionLookup[50] = 'High Tom';
$GeneralMIDIpercussionLookup[51] = 'Ride Cymbal 1';
$GeneralMIDIpercussionLookup[52] = 'Chinese Cymbal';
$GeneralMIDIpercussionLookup[53] = 'Ride Bell';
$GeneralMIDIpercussionLookup[54] = 'Tambourine';
$GeneralMIDIpercussionLookup[55] = 'Splash Cymbal';
$GeneralMIDIpercussionLookup[56] = 'Cowbell';
$GeneralMIDIpercussionLookup[57] = 'Crash Cymbal 2';
$GeneralMIDIpercussionLookup[59] = 'Ride Cymbal 2';
$GeneralMIDIpercussionLookup[60] = 'Hi Bongo';
$GeneralMIDIpercussionLookup[61] = 'Low Bongo';
$GeneralMIDIpercussionLookup[62] = 'Mute Hi Conga';
$GeneralMIDIpercussionLookup[63] = 'Open Hi Conga';
$GeneralMIDIpercussionLookup[64] = 'Low Conga';
$GeneralMIDIpercussionLookup[65] = 'High Timbale';
$GeneralMIDIpercussionLookup[66] = 'Low Timbale';
$GeneralMIDIpercussionLookup[67] = 'High Agogo';
$GeneralMIDIpercussionLookup[68] = 'Low Agogo';
$GeneralMIDIpercussionLookup[69] = 'Cabasa';
$GeneralMIDIpercussionLookup[70] = 'Maracas';
$GeneralMIDIpercussionLookup[71] = 'Short Whistle';
$GeneralMIDIpercussionLookup[72] = 'Long Whistle';
$GeneralMIDIpercussionLookup[73] = 'Short Guiro';
$GeneralMIDIpercussionLookup[74] = 'Long Guiro';
$GeneralMIDIpercussionLookup[75] = 'Claves';
$GeneralMIDIpercussionLookup[76] = 'Hi Wood Block';
$GeneralMIDIpercussionLookup[77] = 'Low Wood Block';
$GeneralMIDIpercussionLookup[78] = 'Mute Cuica';
$GeneralMIDIpercussionLookup[79] = 'Open Cuica';
$GeneralMIDIpercussionLookup[80] = 'Mute Triangle';
$GeneralMIDIpercussionLookup[81] = 'Open Triangle';
}
return (isset($GeneralMIDIpercussionLookup[$instrumentid]) ? $GeneralMIDIpercussionLookup[$instrumentid] : '');
}
?>