andrew@24: /* andrew@24: * CannamMidiFileLoader.cpp andrew@24: * midi-score-follower andrew@24: * andrew@24: * Created by Andrew on 19/08/2011. andrew@24: * Copyright 2011 QMUL. All rights reserved. andrew@24: * andrew@24: */ andrew@24: andrew@24: #include "MIDIFileReader.h" andrew@24: #include "CannamMidiFileLoader.h" andrew@24: andrew@24: CannamMidiFileLoader::CannamMidiFileLoader(){ andrew@24: chopBeginning = true; andrew@31: firstTickTime = 0; andrew@24: } andrew@24: andrew@24: int CannamMidiFileLoader::loadFile(std::string& filename, midiEventHolder& myMidiEvents){ andrew@24: andrew@24: noteOnIndex = 0; andrew@31: firstTickTime = 0; andrew@24: myMidiEvents.clearAllEvents(); andrew@24: andrew@31: andrew@24: setTempoFromMidiValue(500000, myMidiEvents);//default is 120bpm andrew@24: myMidiEvents.pulsesPerQuarternote = 240;//default andrew@31: //myMidiEvents.measureVector.push_back(0); andrew@24: //int main(int argc, char **argv) andrew@24: //{ andrew@24: // if (argc != 2) { andrew@24: // cerr << "Usage: midifile " << endl; andrew@24: // return 1; andrew@24: // } andrew@24: andrew@24: // std::string filename = midiFileName;//argv[1]; andrew@24: andrew@24: MIDIFileReader fr(filename); andrew@24: andrew@24: if (!fr.isOK()) { andrew@24: std::cerr << "Error: " << fr.getError().c_str() << std::endl; andrew@24: return 1; andrew@24: } andrew@24: andrew@24: MIDIComposition c = fr.load(); andrew@24: andrew@24: switch (fr.getFormat()) { andrew@24: case MIDI_SINGLE_TRACK_FILE: cout << "Format: MIDI Single Track File" << endl; break; andrew@24: case MIDI_SIMULTANEOUS_TRACK_FILE: cout << "Format: MIDI Simultaneous Track File" << endl; break; andrew@24: case MIDI_SEQUENTIAL_TRACK_FILE: cout << "Format: MIDI Sequential Track File" << endl; break; andrew@24: default: cout << "Format: Unknown MIDI file format?" << endl; break; andrew@24: } andrew@24: andrew@24: cout << "Tracks: " << c.size() << endl; andrew@24: andrew@24: int td = fr.getTimingDivision(); andrew@24: if (td < 32768) { andrew@24: if (printMidiInfo) andrew@24: cout << "Timing division: " << fr.getTimingDivision() << " ppq" << endl; andrew@24: myMidiEvents.pulsesPerQuarternote = fr.getTimingDivision(); andrew@25: ticksPerMeasure = myMidiEvents.pulsesPerQuarternote * 4;//default setting andrew@25: andrew@24: } else { andrew@24: int frames = 256 - (td >> 8); andrew@24: int subframes = td & 0xff; andrew@24: if (printMidiInfo) andrew@24: cout << "SMPTE timing: " << frames << " fps, " << subframes << " subframes" << endl; andrew@24: } andrew@24: andrew@24: for (MIDIComposition::const_iterator i = c.begin(); i != c.end(); ++i) { andrew@24: if (printMidiInfo) andrew@24: cout << "Start of track: " << i->first+1 << endl; andrew@24: andrew@24: for (MIDITrack::const_iterator j = i->second.begin(); j != i->second.end(); ++j) { andrew@24: andrew@24: unsigned int t = j->getTime(); andrew@24: int ch = j->getChannelNumber(); andrew@24: andrew@24: if (j->isMeta()) { andrew@24: int code = j->getMetaEventCode(); andrew@24: string name; andrew@24: bool printable = true; andrew@24: switch (code) { andrew@24: andrew@24: case MIDI_END_OF_TRACK: andrew@24: cout << t << ": End of track" << endl; andrew@24: break; andrew@24: andrew@24: case MIDI_TEXT_EVENT: name = "Text"; break; andrew@24: case MIDI_COPYRIGHT_NOTICE: name = "Copyright"; break; andrew@24: case MIDI_TRACK_NAME: name = "Track name"; break; andrew@24: case MIDI_INSTRUMENT_NAME: name = "Instrument name"; break; andrew@24: case MIDI_LYRIC: name = "Lyric"; break; andrew@24: case MIDI_TEXT_MARKER: name = "Text marker"; break; andrew@24: case MIDI_SEQUENCE_NUMBER: name = "Sequence number"; printable = false; break; andrew@24: case MIDI_CHANNEL_PREFIX_OR_PORT: name = "Channel prefix or port"; printable = false; break; andrew@24: case MIDI_CUE_POINT: name = "Cue point"; break; andrew@24: case MIDI_CHANNEL_PREFIX: name = "Channel prefix"; printable = false; break; andrew@24: case MIDI_SEQUENCER_SPECIFIC: name = "Sequencer specific"; printable = false; break; andrew@24: case MIDI_SMPTE_OFFSET: name = "SMPTE offset"; printable = false; break; andrew@24: andrew@24: case MIDI_SET_TEMPO: andrew@24: { andrew@24: int m0 = j->getMetaMessage()[0]; andrew@24: int m1 = j->getMetaMessage()[1]; andrew@24: int m2 = j->getMetaMessage()[2]; andrew@24: long tempo = (((m0 << 8) + m1) << 8) + m2; andrew@31: //if (printMidiInfo) andrew@24: cout << t << ": Tempo: " << 60000000.0 / double(tempo) << endl; andrew@24: setTempoFromMidiValue(tempo, myMidiEvents); andrew@31: DoubleVector tmp; andrew@31: andrew@31: andrew@31: double lastTickInMillis = 0; andrew@31: double millisTimeNow = lastTickInMillis; andrew@31: int tickInterval = 0; andrew@31: if (myMidiEvents.periodValues.size() > 0){ andrew@31: lastTickInMillis = myMidiEvents.periodValues[myMidiEvents.periodValues.size()-1][2]; andrew@31: tickInterval = (t - firstTickTime) - myMidiEvents.periodValues[myMidiEvents.periodValues.size()-1][0]; andrew@31: millisTimeNow = lastTickInMillis + (myMidiEvents.periodValues[myMidiEvents.periodValues.size()-1][1]*tickInterval); andrew@31: andrew@31: } andrew@31: andrew@31: if (!chopBeginning) andrew@31: tmp.push_back(t); andrew@31: else andrew@31: tmp.push_back(t - firstTickTime); andrew@31: andrew@31: tmp.push_back(60000000.0 / double(tempo)); andrew@31: tmp.push_back(millisTimeNow); andrew@31: myMidiEvents.periodValues.push_back(tmp); andrew@31: andrew@31: printf("tick[%i]: TEMPO period %f : time now %f\n", t, 60000000.0 / double(tempo), millisTimeNow); andrew@31: //printf("period double is %f\n", myMidiEvents.period); andrew@25: andrew@24: } andrew@24: break; andrew@24: andrew@24: case MIDI_TIME_SIGNATURE: andrew@24: { andrew@24: int numerator = j->getMetaMessage()[0]; andrew@24: int denominator = 1 << (int)j->getMetaMessage()[1]; andrew@25: andrew@25: newTimeSignature(t, numerator, denominator, myMidiEvents); andrew@25: andrew@25: //if (printMidiInfo) andrew@24: cout << t << ": Time signature: " << numerator << "/" << denominator << endl; andrew@31: printf(" ticks %i Time signature: %i by %i \n", t, numerator , denominator ); andrew@24: } andrew@24: andrew@24: case MIDI_KEY_SIGNATURE: andrew@24: { andrew@24: int accidentals = j->getMetaMessage()[0]; andrew@24: int isMinor = j->getMetaMessage()[1]; andrew@24: bool isSharp = accidentals < 0 ? false : true; andrew@24: accidentals = accidentals < 0 ? -accidentals : accidentals; andrew@24: if (printMidiInfo) andrew@24: cout << t << ": Key signature: " << accidentals << " " andrew@24: << (isSharp ? andrew@24: (accidentals > 1 ? "sharps" : "sharp") : andrew@24: (accidentals > 1 ? "flats" : "flat")) andrew@24: << (isMinor ? ", minor" : ", major") << endl; andrew@24: } andrew@24: andrew@24: } andrew@24: andrew@24: andrew@24: if (name != "") { andrew@24: if (printable) { andrew@24: cout << t << ": File meta event: code " << code andrew@24: << ": " << name << ": \"" << j->getMetaMessage() andrew@24: << "\"" << endl; andrew@24: } else { andrew@24: cout << t << ": File meta event: code " << code andrew@24: << ": " << name << ": "; andrew@24: for (int k = 0; k < j->getMetaMessage().length(); ++k) { andrew@24: cout << (int)j->getMetaMessage()[k] << " "; andrew@24: } andrew@24: } andrew@24: } andrew@24: continue; andrew@24: } andrew@24: andrew@24: switch (j->getMessageType()) { andrew@24: andrew@24: case MIDI_NOTE_ON: andrew@24: if (printMidiInfo) andrew@24: cout << t << ": Note: channel " << ch andrew@24: << " duration " << j->getDuration() andrew@24: << " pitch " << j->getPitch() andrew@24: << " velocity " << j->getVelocity() andrew@24: << "event time " << myMidiEvents.getEventTimeMillis(t) << endl; andrew@24: andrew@24: andrew@31: if (noteOnIndex == 0 || t < firstTickTime){ andrew@31: //easier just to pick the minimum andrew@24: firstTickTime = t; andrew@31: printf("FIRST TICK TIME %i\n", firstTickTime); andrew@24: } andrew@24: andrew@24: noteOnIndex++; andrew@24: andrew@24: v.clear(); andrew@24: andrew@31: // printf("note on at %i\n", t); andrew@31: andrew@24: if (!chopBeginning) andrew@24: v.push_back(t); andrew@24: else andrew@24: v.push_back(t - firstTickTime); andrew@24: andrew@24: v.push_back(j->getPitch()); andrew@24: v.push_back(j->getVelocity()); andrew@24: v.push_back(j->getDuration()); andrew@24: myMidiEvents.recordedNoteOnMatrix.push_back(v); andrew@24: andrew@24: myMidiEvents.noteOnMatches.push_back(false); andrew@24: andrew@24: break; andrew@24: andrew@24: case MIDI_POLY_AFTERTOUCH: andrew@24: if (printMidiInfo) andrew@24: cout << t << ": Polyphonic aftertouch: channel " << ch andrew@24: << " pitch " << j->getPitch() andrew@24: << " pressure " << j->getData2() << endl; andrew@24: break; andrew@24: andrew@24: case MIDI_CTRL_CHANGE: andrew@24: { andrew@24: int controller = j->getData1(); andrew@24: string name; andrew@24: switch (controller) { andrew@24: case MIDI_CONTROLLER_BANK_MSB: name = "Bank select MSB"; break; andrew@24: case MIDI_CONTROLLER_VOLUME: name = "Volume"; break; andrew@24: case MIDI_CONTROLLER_BANK_LSB: name = "Bank select LSB"; break; andrew@24: case MIDI_CONTROLLER_MODULATION: name = "Modulation wheel"; break; andrew@24: case MIDI_CONTROLLER_PAN: name = "Pan"; break; andrew@24: case MIDI_CONTROLLER_SUSTAIN: name = "Sustain"; break; andrew@24: case MIDI_CONTROLLER_RESONANCE: name = "Resonance"; break; andrew@24: case MIDI_CONTROLLER_RELEASE: name = "Release"; break; andrew@24: case MIDI_CONTROLLER_ATTACK: name = "Attack"; break; andrew@24: case MIDI_CONTROLLER_FILTER: name = "Filter"; break; andrew@24: case MIDI_CONTROLLER_REVERB: name = "Reverb"; break; andrew@24: case MIDI_CONTROLLER_CHORUS: name = "Chorus"; break; andrew@24: case MIDI_CONTROLLER_NRPN_1: name = "NRPN 1"; break; andrew@24: case MIDI_CONTROLLER_NRPN_2: name = "NRPN 2"; break; andrew@24: case MIDI_CONTROLLER_RPN_1: name = "RPN 1"; break; andrew@24: case MIDI_CONTROLLER_RPN_2: name = "RPN 2"; break; andrew@24: case MIDI_CONTROLLER_SOUNDS_OFF: name = "All sounds off"; break; andrew@24: case MIDI_CONTROLLER_RESET: name = "Reset"; break; andrew@24: case MIDI_CONTROLLER_LOCAL: name = "Local"; break; andrew@24: case MIDI_CONTROLLER_ALL_NOTES_OFF: name = "All notes off"; break; andrew@24: } andrew@24: if (printMidiInfo) andrew@24: cout << t << ": Controller change: channel " << ch andrew@24: << " controller " << j->getData1(); andrew@24: if (name != "") cout << " (" << name << ")"; andrew@24: cout << " value " << j->getData2() << endl; andrew@24: } andrew@24: break; andrew@24: andrew@24: case MIDI_PROG_CHANGE: andrew@24: if (printMidiInfo) andrew@24: cout << t << ": Program change: channel " << ch andrew@24: << " program " << j->getData1() << endl; andrew@24: break; andrew@24: andrew@24: case MIDI_CHNL_AFTERTOUCH: andrew@24: if (printMidiInfo) andrew@24: cout << t << ": Channel aftertouch: channel " << ch andrew@24: << " pressure " << j->getData1() << endl; andrew@24: break; andrew@24: andrew@24: case MIDI_PITCH_BEND: andrew@24: if (printMidiInfo) andrew@24: cout << t << ": Pitch bend: channel " << ch andrew@24: << " value " << (int)j->getData2() * 128 + (int)j->getData1() << endl; andrew@24: break; andrew@24: andrew@24: case MIDI_SYSTEM_EXCLUSIVE: andrew@24: if (printMidiInfo) andrew@24: cout << t << ": System exclusive: code " andrew@24: << (int)j->getMessageType() << " message length " << andrew@24: j->getMetaMessage().length() << endl; andrew@24: break; andrew@24: andrew@24: andrew@24: } andrew@24: andrew@24: andrew@24: } andrew@24: andrew@24: andrew@24: } andrew@24: if (printMidiInfo) andrew@24: myMidiEvents.printRecordedEvents(); andrew@24: andrew@25: //printMeasuresSoFar(myMidiEvents); andrew@25: andrew@25: if (myMidiEvents.recordedNoteOnMatrix.size() > 0){ andrew@25: andrew@25: printf("END FILE MEASURE UPDATE\n"); andrew@25: updateMeasureToTickPosition(myMidiEvents.recordedNoteOnMatrix[myMidiEvents.recordedNoteOnMatrix.size()-1][0], myMidiEvents); andrew@25: // printMeasuresSoFar(myMidiEvents); andrew@25: } andrew@25: andrew@24: // printf("|||||||||||||||||||||| \n\n\n\n\n\n\n"); andrew@24: myMidiEvents.reorderMatrixFromNoteTimes(myMidiEvents.recordedNoteOnMatrix); andrew@24: myMidiEvents.correctTiming(myMidiEvents.recordedNoteOnMatrix); andrew@24: myMidiEvents.doublecheckOrder(myMidiEvents.recordedNoteOnMatrix); andrew@24: andrew@24: createEventTiming(myMidiEvents); andrew@25: andrew@31: printf("BEFORE DOING MEASURE UPDATE\n first tick pos is %i\n", firstTickTime); andrew@31: // printMeasuresSoFar(myMidiEvents); andrew@31: if (chopBeginning) andrew@31: correctMeasuresTiming(myMidiEvents); andrew@31: andrew@24: if (printMidiInfo) andrew@25: myMidiEvents.printRecordedEvents(); andrew@25: andrew@30: printf("Duration of MIDI file is %f \n", myMidiEvents.recordedEventTimes[myMidiEvents.recordedEventTimes.size()-1]); andrew@30: andrew@25: //printMeasuresSoFar(myMidiEvents); andrew@24: andrew@24: }//end cannam midi main andrew@24: andrew@24: andrew@24: void CannamMidiFileLoader::createEventTiming( midiEventHolder& myMidiEvents){ andrew@24: andrew@24: long t; andrew@24: t = myMidiEvents.recordedNoteOnMatrix[0][0]; andrew@24: firstNoteTime = myMidiEvents.getEventTimeMillis(t); andrew@24: andrew@24: for (int i = 0; i < myMidiEvents.recordedNoteOnMatrix.size();i++){ andrew@24: t = myMidiEvents.recordedNoteOnMatrix[i][0]; andrew@24: andrew@24: if (!chopBeginning) andrew@24: myMidiEvents.recordedEventTimes.push_back(myMidiEvents.getEventTimeMillis(t)); andrew@24: else { andrew@24: myMidiEvents.recordedEventTimes.push_back(myMidiEvents.getEventTimeMillis(t) - firstNoteTime); andrew@24: andrew@24: } andrew@24: } andrew@24: andrew@24: } andrew@24: andrew@24: void CannamMidiFileLoader::setTempoFromMidiValue(long tempo, midiEventHolder& myMidiEvents){ andrew@24: myMidiEvents.tempo = 60000000.0 / double(tempo); andrew@24: myMidiEvents.period = double(tempo)/1000.0; andrew@24: myMidiEvents.ticksFactor = myMidiEvents.pulsesPerQuarternote / myMidiEvents.period; andrew@24: } andrew@24: andrew@24: andrew@25: void CannamMidiFileLoader::newTimeSignature(int ticks, int numerator, int denominator, midiEventHolder& myMidiEvents){ andrew@24: andrew@25: updateMeasureToTickPosition(ticks, myMidiEvents); andrew@25: andrew@25: ticksPerMeasure = myMidiEvents.pulsesPerQuarternote * 4 * numerator / denominator; andrew@25: andrew@25: } andrew@25: andrew@25: void CannamMidiFileLoader::updateMeasureToTickPosition(int ticks, midiEventHolder& myMidiEvents){ andrew@25: printf("update measure at tick pos %i at tpm %i\n", ticks, ticksPerMeasure); andrew@25: andrew@25: int measureVectorSize = myMidiEvents.measureVector.size(); andrew@25: int lastMeasurePosition = 0; andrew@31: // if (chopBeginning) andrew@31: // lastMeasurePosition = -1*firstTickTime; andrew@25: andrew@25: if (measureVectorSize > 0) andrew@25: lastMeasurePosition = myMidiEvents.measureVector[measureVectorSize-1]; andrew@31: andrew@25: andrew@25: while (lastMeasurePosition < ticks){ andrew@25: //update andrew@25: lastMeasurePosition += ticksPerMeasure; andrew@25: myMidiEvents.measureVector.push_back(lastMeasurePosition); andrew@27: // cout << "MEASURE " << myMidiEvents.measureVector.size()-1 << " is " << lastMeasurePosition << endl; andrew@27: // printf("MEASURE %i is %i \n", (int)myMidiEvents.measureVector.size()-1 , lastMeasurePosition); andrew@25: } andrew@25: } andrew@25: andrew@25: andrew@31: void CannamMidiFileLoader::correctMeasuresTiming(midiEventHolder& myMidiEvents){ andrew@31: //correct measures andrew@31: for (int i = 0;i