andrew@33: /* andrew@33: * CannamMidiFileLoader.cpp andrew@33: * midi-score-follower andrew@33: * andrew@33: * Created by Andrew on 19/08/2011. andrew@33: * Copyright 2011 QMUL. All rights reserved. andrew@33: * andrew@33: */ andrew@33: andrew@33: #include "MIDIFileReader.h" andrew@33: #include "CannamMidiFileLoader.h" andrew@33: andrew@33: CannamMidiFileLoader::CannamMidiFileLoader(){ andrew@35: chopBeginning = false; andrew@33: firstTickTime = 0; andrew@34: printMidiInfo = false; andrew@33: } andrew@33: andrew@33: int CannamMidiFileLoader::loadFile(std::string& filename, midiEventHolder& myMidiEvents){ andrew@33: andrew@33: noteOnIndex = 0; andrew@33: firstTickTime = 0; andrew@33: myMidiEvents.clearAllEvents(); andrew@35: beatsPerMeasure = 4; andrew@35: numberOfBeatsAtLastPosition = 0; andrew@35: lastBeatPosition = 0; andrew@35: andrew@33: setTempoFromMidiValue(500000, myMidiEvents);//default is 120bpm andrew@34: andrew@33: myMidiEvents.pulsesPerQuarternote = 240;//default andrew@33: //myMidiEvents.measureVector.push_back(0); andrew@33: //int main(int argc, char **argv) andrew@33: //{ andrew@33: // if (argc != 2) { andrew@33: // cerr << "Usage: midifile " << endl; andrew@33: // return 1; andrew@33: // } andrew@33: andrew@33: // std::string filename = midiFileName;//argv[1]; andrew@33: andrew@33: MIDIFileReader fr(filename); andrew@33: andrew@33: if (!fr.isOK()) { andrew@33: std::cerr << "Error: " << fr.getError().c_str() << std::endl; andrew@33: return 1; andrew@33: } andrew@33: andrew@33: MIDIComposition c = fr.load(); andrew@33: andrew@33: switch (fr.getFormat()) { andrew@33: case MIDI_SINGLE_TRACK_FILE: cout << "Format: MIDI Single Track File" << endl; break; andrew@33: case MIDI_SIMULTANEOUS_TRACK_FILE: cout << "Format: MIDI Simultaneous Track File" << endl; break; andrew@33: case MIDI_SEQUENTIAL_TRACK_FILE: cout << "Format: MIDI Sequential Track File" << endl; break; andrew@33: default: cout << "Format: Unknown MIDI file format?" << endl; break; andrew@33: } andrew@33: andrew@33: cout << "Tracks: " << c.size() << endl; andrew@33: andrew@33: int td = fr.getTimingDivision(); andrew@33: if (td < 32768) { andrew@33: if (printMidiInfo) andrew@33: cout << "Timing division: " << fr.getTimingDivision() << " ppq" << endl; andrew@33: myMidiEvents.pulsesPerQuarternote = fr.getTimingDivision(); andrew@33: ticksPerMeasure = myMidiEvents.pulsesPerQuarternote * 4;//default setting andrew@33: andrew@33: } else { andrew@33: int frames = 256 - (td >> 8); andrew@33: int subframes = td & 0xff; andrew@33: if (printMidiInfo) andrew@33: cout << "SMPTE timing: " << frames << " fps, " << subframes << " subframes" << endl; andrew@33: } andrew@33: andrew@33: for (MIDIComposition::const_iterator i = c.begin(); i != c.end(); ++i) { andrew@33: if (printMidiInfo) andrew@33: cout << "Start of track: " << i->first+1 << endl; andrew@33: andrew@33: for (MIDITrack::const_iterator j = i->second.begin(); j != i->second.end(); ++j) { andrew@33: andrew@33: unsigned int t = j->getTime(); andrew@33: int ch = j->getChannelNumber(); andrew@33: andrew@33: if (j->isMeta()) { andrew@33: int code = j->getMetaEventCode(); andrew@33: string name; andrew@33: bool printable = true; andrew@33: switch (code) { andrew@33: andrew@33: case MIDI_END_OF_TRACK: andrew@33: cout << t << ": End of track" << endl; andrew@33: break; andrew@33: andrew@33: case MIDI_TEXT_EVENT: name = "Text"; break; andrew@33: case MIDI_COPYRIGHT_NOTICE: name = "Copyright"; break; andrew@33: case MIDI_TRACK_NAME: name = "Track name"; break; andrew@33: case MIDI_INSTRUMENT_NAME: name = "Instrument name"; break; andrew@33: case MIDI_LYRIC: name = "Lyric"; break; andrew@33: case MIDI_TEXT_MARKER: name = "Text marker"; break; andrew@33: case MIDI_SEQUENCE_NUMBER: name = "Sequence number"; printable = false; break; andrew@33: case MIDI_CHANNEL_PREFIX_OR_PORT: name = "Channel prefix or port"; printable = false; break; andrew@33: case MIDI_CUE_POINT: name = "Cue point"; break; andrew@33: case MIDI_CHANNEL_PREFIX: name = "Channel prefix"; printable = false; break; andrew@33: case MIDI_SEQUENCER_SPECIFIC: name = "Sequencer specific"; printable = false; break; andrew@33: case MIDI_SMPTE_OFFSET: name = "SMPTE offset"; printable = false; break; andrew@33: andrew@33: case MIDI_SET_TEMPO: andrew@33: { andrew@33: int m0 = j->getMetaMessage()[0]; andrew@33: int m1 = j->getMetaMessage()[1]; andrew@33: int m2 = j->getMetaMessage()[2]; andrew@33: long tempo = (((m0 << 8) + m1) << 8) + m2; andrew@33: //if (printMidiInfo) andrew@33: cout << t << ": Tempo: " << 60000000.0 / double(tempo) << endl; andrew@34: //setTempoFromMidiValue(tempo, myMidiEvents); andrew@33: DoubleVector tmp; andrew@33: andrew@34: /* andrew@33: double lastTickInMillis = 0; andrew@33: double millisTimeNow = lastTickInMillis; andrew@33: int tickInterval = 0; andrew@33: if (myMidiEvents.periodValues.size() > 0){ andrew@33: lastTickInMillis = myMidiEvents.periodValues[myMidiEvents.periodValues.size()-1][2]; andrew@33: tickInterval = (t - firstTickTime) - myMidiEvents.periodValues[myMidiEvents.periodValues.size()-1][0]; andrew@33: millisTimeNow = lastTickInMillis + (myMidiEvents.periodValues[myMidiEvents.periodValues.size()-1][1]*tickInterval); andrew@33: andrew@33: } andrew@33: andrew@33: if (!chopBeginning) andrew@33: tmp.push_back(t); andrew@33: else andrew@33: tmp.push_back(t - firstTickTime); andrew@33: andrew@33: tmp.push_back(60000000.0 / double(tempo)); andrew@33: tmp.push_back(millisTimeNow); andrew@33: myMidiEvents.periodValues.push_back(tmp); andrew@34: */ andrew@33: andrew@34: double lastTickInMillis = 0; andrew@34: double millisTimeNow = lastTickInMillis; andrew@34: int tickInterval = 0; andrew@34: if (myMidiEvents.periodValues.size() > 0){ andrew@34: lastTickInMillis = myMidiEvents.periodValues[myMidiEvents.periodValues.size()-1][2]; andrew@34: tickInterval = t - myMidiEvents.periodValues[myMidiEvents.periodValues.size()-1][0]; andrew@34: millisTimeNow = lastTickInMillis + (myMidiEvents.periodValues[myMidiEvents.periodValues.size()-1][1]*tickInterval); andrew@34: andrew@34: } andrew@34: andrew@34: tmp.push_back(t); andrew@34: andrew@34: andrew@34: tmp.push_back(60000000.0 / double(tempo)); andrew@34: double tmpTempoVal = 60000000.0 / double(tempo); andrew@34: tmp.push_back(millisTimeNow); andrew@34: //if (tmpTempoVal > 180.0) andrew@34: myMidiEvents.periodValues.push_back(tmp); andrew@34: andrew@34: printf("tick[%i]: TEMPO %d tempoVal %f : time now %f\n", t, tempo, tmpTempoVal, millisTimeNow); andrew@33: //printf("period double is %f\n", myMidiEvents.period); andrew@33: andrew@33: } andrew@33: break; andrew@33: andrew@33: case MIDI_TIME_SIGNATURE: andrew@33: { andrew@33: int numerator = j->getMetaMessage()[0]; andrew@33: int denominator = 1 << (int)j->getMetaMessage()[1]; andrew@33: andrew@33: newTimeSignature(t, numerator, denominator, myMidiEvents); andrew@33: andrew@33: //if (printMidiInfo) andrew@33: cout << t << ": Time signature: " << numerator << "/" << denominator << endl; andrew@33: printf(" ticks %i Time signature: %i by %i \n", t, numerator , denominator ); andrew@33: } andrew@33: andrew@33: case MIDI_KEY_SIGNATURE: andrew@33: { andrew@33: int accidentals = j->getMetaMessage()[0]; andrew@33: int isMinor = j->getMetaMessage()[1]; andrew@33: bool isSharp = accidentals < 0 ? false : true; andrew@33: accidentals = accidentals < 0 ? -accidentals : accidentals; andrew@33: if (printMidiInfo) andrew@33: cout << t << ": Key signature: " << accidentals << " " andrew@33: << (isSharp ? andrew@33: (accidentals > 1 ? "sharps" : "sharp") : andrew@33: (accidentals > 1 ? "flats" : "flat")) andrew@33: << (isMinor ? ", minor" : ", major") << endl; andrew@33: } andrew@33: andrew@33: } andrew@33: andrew@33: andrew@33: if (name != "") { andrew@33: if (printable) { andrew@33: cout << t << ": File meta event: code " << code andrew@33: << ": " << name << ": \"" << j->getMetaMessage() andrew@33: << "\"" << endl; andrew@33: } else { andrew@33: cout << t << ": File meta event: code " << code andrew@33: << ": " << name << ": "; andrew@33: for (int k = 0; k < j->getMetaMessage().length(); ++k) { andrew@33: cout << (int)j->getMetaMessage()[k] << " "; andrew@33: } andrew@33: } andrew@33: } andrew@33: continue; andrew@33: } andrew@35: double newBeatLocation = 0; andrew@33: switch (j->getMessageType()) { andrew@33: andrew@33: case MIDI_NOTE_ON: andrew@33: if (printMidiInfo) andrew@33: cout << t << ": Note: channel " << ch andrew@33: << " duration " << j->getDuration() andrew@33: << " pitch " << j->getPitch() andrew@33: << " velocity " << j->getVelocity() andrew@33: << "event time " << myMidiEvents.getEventTimeMillis(t) << endl; andrew@33: andrew@35: newBeatLocation = getBeatPositionForTickCount(t, myMidiEvents); andrew@35: andrew@35: // printf("%i channel %i durn %i pitch %i vel %i event time %f beat pos %f\n", t, ch, (int)j->getDuration(), (int)j->getPitch(), (int)j->getVelocity(), myMidiEvents.getEventTimeMillis(t) andrew@35: // , newBeatLocation); andrew@35: andrew@35: andrew@35: andrew@35: // printf("Beat location %3.2f\n", newBeatLocation); andrew@34: andrew@34: /* andrew@33: if (noteOnIndex == 0 || t < firstTickTime){ andrew@33: //easier just to pick the minimum andrew@33: firstTickTime = t; andrew@33: printf("FIRST TICK TIME %i\n", firstTickTime); andrew@33: } andrew@33: andrew@33: noteOnIndex++; andrew@34: */ andrew@33: v.clear(); andrew@33: andrew@33: // printf("note on at %i\n", t); andrew@33: andrew@34: //if (!chopBeginning) andrew@33: v.push_back(t); andrew@34: //else andrew@34: // v.push_back(t - firstTickTime); andrew@33: andrew@33: v.push_back(j->getPitch()); andrew@33: v.push_back(j->getVelocity()); andrew@33: v.push_back(j->getDuration()); andrew@33: myMidiEvents.recordedNoteOnMatrix.push_back(v); andrew@35: myMidiEvents.noteOnMatches.push_back(false); andrew@35: myMidiEvents.beatPositions.push_back(newBeatLocation); andrew@33: andrew@33: andrew@33: break; andrew@33: andrew@33: case MIDI_POLY_AFTERTOUCH: andrew@33: if (printMidiInfo) andrew@33: cout << t << ": Polyphonic aftertouch: channel " << ch andrew@33: << " pitch " << j->getPitch() andrew@33: << " pressure " << j->getData2() << endl; andrew@33: break; andrew@33: andrew@33: case MIDI_CTRL_CHANGE: andrew@33: { andrew@33: int controller = j->getData1(); andrew@33: string name; andrew@33: switch (controller) { andrew@33: case MIDI_CONTROLLER_BANK_MSB: name = "Bank select MSB"; break; andrew@33: case MIDI_CONTROLLER_VOLUME: name = "Volume"; break; andrew@33: case MIDI_CONTROLLER_BANK_LSB: name = "Bank select LSB"; break; andrew@33: case MIDI_CONTROLLER_MODULATION: name = "Modulation wheel"; break; andrew@33: case MIDI_CONTROLLER_PAN: name = "Pan"; break; andrew@33: case MIDI_CONTROLLER_SUSTAIN: name = "Sustain"; break; andrew@33: case MIDI_CONTROLLER_RESONANCE: name = "Resonance"; break; andrew@33: case MIDI_CONTROLLER_RELEASE: name = "Release"; break; andrew@33: case MIDI_CONTROLLER_ATTACK: name = "Attack"; break; andrew@33: case MIDI_CONTROLLER_FILTER: name = "Filter"; break; andrew@33: case MIDI_CONTROLLER_REVERB: name = "Reverb"; break; andrew@33: case MIDI_CONTROLLER_CHORUS: name = "Chorus"; break; andrew@33: case MIDI_CONTROLLER_NRPN_1: name = "NRPN 1"; break; andrew@33: case MIDI_CONTROLLER_NRPN_2: name = "NRPN 2"; break; andrew@33: case MIDI_CONTROLLER_RPN_1: name = "RPN 1"; break; andrew@33: case MIDI_CONTROLLER_RPN_2: name = "RPN 2"; break; andrew@33: case MIDI_CONTROLLER_SOUNDS_OFF: name = "All sounds off"; break; andrew@33: case MIDI_CONTROLLER_RESET: name = "Reset"; break; andrew@33: case MIDI_CONTROLLER_LOCAL: name = "Local"; break; andrew@33: case MIDI_CONTROLLER_ALL_NOTES_OFF: name = "All notes off"; break; andrew@33: } andrew@33: if (printMidiInfo) andrew@33: cout << t << ": Controller change: channel " << ch andrew@33: << " controller " << j->getData1(); andrew@33: if (name != "") cout << " (" << name << ")"; andrew@33: cout << " value " << j->getData2() << endl; andrew@33: } andrew@33: break; andrew@33: andrew@33: case MIDI_PROG_CHANGE: andrew@33: if (printMidiInfo) andrew@33: cout << t << ": Program change: channel " << ch andrew@33: << " program " << j->getData1() << endl; andrew@33: break; andrew@33: andrew@33: case MIDI_CHNL_AFTERTOUCH: andrew@33: if (printMidiInfo) andrew@33: cout << t << ": Channel aftertouch: channel " << ch andrew@33: << " pressure " << j->getData1() << endl; andrew@33: break; andrew@33: andrew@33: case MIDI_PITCH_BEND: andrew@33: if (printMidiInfo) andrew@33: cout << t << ": Pitch bend: channel " << ch andrew@33: << " value " << (int)j->getData2() * 128 + (int)j->getData1() << endl; andrew@33: break; andrew@33: andrew@33: case MIDI_SYSTEM_EXCLUSIVE: andrew@33: if (printMidiInfo) andrew@33: cout << t << ": System exclusive: code " andrew@33: << (int)j->getMessageType() << " message length " << andrew@33: j->getMetaMessage().length() << endl; andrew@33: break; andrew@33: andrew@33: andrew@33: } andrew@33: andrew@33: andrew@33: } andrew@33: andrew@33: andrew@33: } andrew@34: // if (printMidiInfo) andrew@34: // myMidiEvents.printRecordedEvents(); andrew@33: andrew@33: //printMeasuresSoFar(myMidiEvents); andrew@33: andrew@33: if (myMidiEvents.recordedNoteOnMatrix.size() > 0){ andrew@33: andrew@33: printf("END FILE MEASURE UPDATE\n"); andrew@33: updateMeasureToTickPosition(myMidiEvents.recordedNoteOnMatrix[myMidiEvents.recordedNoteOnMatrix.size()-1][0], myMidiEvents); andrew@33: // printMeasuresSoFar(myMidiEvents); andrew@33: } andrew@33: andrew@33: // printf("|||||||||||||||||||||| \n\n\n\n\n\n\n"); andrew@33: myMidiEvents.reorderMatrixFromNoteTimes(myMidiEvents.recordedNoteOnMatrix); andrew@33: myMidiEvents.correctTiming(myMidiEvents.recordedNoteOnMatrix); andrew@33: myMidiEvents.doublecheckOrder(myMidiEvents.recordedNoteOnMatrix); andrew@33: andrew@34: if (chopBeginning) andrew@34: chopBeginningfromEvents(myMidiEvents); andrew@34: andrew@33: createEventTiming(myMidiEvents); andrew@33: andrew@33: printf("BEFORE DOING MEASURE UPDATE\n first tick pos is %i\n", firstTickTime); andrew@33: // printMeasuresSoFar(myMidiEvents); andrew@33: if (chopBeginning) andrew@33: correctMeasuresTiming(myMidiEvents); andrew@33: andrew@34: // if (printMidiInfo) andrew@34: // myMidiEvents.printRecordedEvents(); andrew@33: andrew@33: printf("Duration of MIDI file is %f \n", myMidiEvents.recordedEventTimes[myMidiEvents.recordedEventTimes.size()-1]); andrew@34: printf("And first note offset is %i ticks == %f msec \n", firstTickTime, firstNoteTime); andrew@35: printUpToIndex(50, myMidiEvents); andrew@33: //printMeasuresSoFar(myMidiEvents); andrew@33: andrew@33: }//end cannam midi main andrew@33: andrew@33: andrew@34: void CannamMidiFileLoader::chopBeginningfromEvents(midiEventHolder& myMidiEvents){ andrew@34: andrew@34: firstTickTime = myMidiEvents.recordedNoteOnMatrix[0][0]; andrew@34: firstNoteTime = myMidiEvents.getEventTimeMillis(myMidiEvents.recordedNoteOnMatrix[0][0]); andrew@34: myMidiEvents.firstEventOffsetTimeMillis = firstNoteTime; andrew@34: andrew@34: printf("BEFORE chop - FIRST NOTE IS %f and tick %i\n", firstNoteTime, firstTickTime); andrew@34: // myMidiEvents.printRecordedEvents(); andrew@34: andrew@34: for (int i = 0;i < myMidiEvents.recordedNoteOnMatrix.size();i++){ andrew@34: myMidiEvents.recordedNoteOnMatrix[i][0] -= firstTickTime; andrew@34: } andrew@34: andrew@34: //here are period values, but we dont use them andrew@34: for (int i = 0;i < myMidiEvents.periodValues.size();i++){ andrew@34: myMidiEvents.periodValues[i][0] -= firstTickTime; andrew@34: myMidiEvents.periodValues[i][2] -= firstNoteTime; andrew@34: printf("[%i], period values(%i):: @ %f is %f\n", (int)myMidiEvents.periodValues[i][0], i, myMidiEvents.periodValues[i][2], myMidiEvents.periodValues[i][1]); andrew@34: } andrew@34: andrew@34: printf("\n\n\nAFTER chop - \n"); andrew@35: andrew@35: //myMidiEvents.printRecordedEvents(); andrew@34: andrew@34: } andrew@34: andrew@33: void CannamMidiFileLoader::createEventTiming( midiEventHolder& myMidiEvents){ andrew@33: andrew@33: long t; andrew@34: // t = myMidiEvents.recordedNoteOnMatrix[0][0]; andrew@34: // firstTickTime = t; andrew@34: // firstNoteTime = myMidiEvents.getEventTimeMillis(firstTickTime); andrew@33: andrew@33: for (int i = 0; i < myMidiEvents.recordedNoteOnMatrix.size();i++){ andrew@33: t = myMidiEvents.recordedNoteOnMatrix[i][0]; andrew@33: andrew@33: if (!chopBeginning) andrew@33: myMidiEvents.recordedEventTimes.push_back(myMidiEvents.getEventTimeMillis(t)); andrew@33: else { andrew@34: myMidiEvents.recordedEventTimes.push_back(myMidiEvents.getEventTimeMillis(t));// - firstticktime andrew@33: } andrew@33: } andrew@33: andrew@34: andrew@34: andrew@33: } andrew@33: andrew@33: void CannamMidiFileLoader::setTempoFromMidiValue(long tempo, midiEventHolder& myMidiEvents){ andrew@33: myMidiEvents.tempo = 60000000.0 / double(tempo); andrew@33: myMidiEvents.period = double(tempo)/1000.0; andrew@33: myMidiEvents.ticksFactor = myMidiEvents.pulsesPerQuarternote / myMidiEvents.period; andrew@33: } andrew@33: andrew@33: andrew@33: void CannamMidiFileLoader::newTimeSignature(int ticks, int numerator, int denominator, midiEventHolder& myMidiEvents){ andrew@33: andrew@33: updateMeasureToTickPosition(ticks, myMidiEvents); andrew@33: andrew@35: beatsPerMeasure = 4.0 * (float)numerator / denominator; andrew@33: ticksPerMeasure = myMidiEvents.pulsesPerQuarternote * 4 * numerator / denominator; andrew@33: andrew@33: } andrew@33: andrew@33: void CannamMidiFileLoader::updateMeasureToTickPosition(int ticks, midiEventHolder& myMidiEvents){ andrew@33: printf("update measure at tick pos %i at tpm %i\n", ticks, ticksPerMeasure); andrew@33: andrew@33: int measureVectorSize = myMidiEvents.measureVector.size(); andrew@33: int lastMeasurePosition = 0; andrew@33: // if (chopBeginning) andrew@33: // lastMeasurePosition = -1*firstTickTime; andrew@33: andrew@33: if (measureVectorSize > 0) andrew@33: lastMeasurePosition = myMidiEvents.measureVector[measureVectorSize-1]; andrew@33: andrew@33: andrew@33: while (lastMeasurePosition < ticks){ andrew@33: //update andrew@33: lastMeasurePosition += ticksPerMeasure; andrew@35: numberOfBeatsAtLastPosition += beatsPerMeasure; andrew@35: lastBeatPosition = lastMeasurePosition; andrew@33: myMidiEvents.measureVector.push_back(lastMeasurePosition); andrew@35: andrew@33: // cout << "MEASURE " << myMidiEvents.measureVector.size()-1 << " is " << lastMeasurePosition << endl; andrew@33: // printf("MEASURE %i is %i \n", (int)myMidiEvents.measureVector.size()-1 , lastMeasurePosition); andrew@33: } andrew@33: } andrew@33: andrew@33: andrew@33: void CannamMidiFileLoader::correctMeasuresTiming(midiEventHolder& myMidiEvents){ andrew@33: //correct measures andrew@33: for (int i = 0;i 0) andrew@35: lastMeasurePosition = myMidiEvents.measureVector[myMidiEvents.measureVector.size()-1]; andrew@35: andrew@35: int ticksSinceBeatCounted = t - lastMeasurePosition; andrew@35: double beats = numberOfBeatsAtLastPosition; andrew@35: beats += ticksSinceBeatCounted * beatsPerMeasure / ticksPerMeasure; andrew@35: // printf("ticks since %i, beat per measure %f at %i tick per measure :: %f beats\n", ticksSinceBeatCounted, beatsPerMeasure, ticksPerMeasure, beats); andrew@35: return beats; andrew@35: } andrew@35: andrew@35: andrew@35: void CannamMidiFileLoader::printUpToIndex(const int& index, midiEventHolder& myMidiEvents){ andrew@35: for (int i = 0;i < index;i++){ andrew@35: printf("Beat pos %f MIIDI %i event time %f\n", myMidiEvents.beatPositions[i], myMidiEvents.recordedNoteOnMatrix[i][1], myMidiEvents.recordedEventTimes[i]); andrew@35: } andrew@35: }