void convertMidiFile(MidiFile& midifile, vector<vector<double> >& matlab) {
midifile.absoluteTicks();
midifile.linkNotePairs();
midifile.joinTracks();
midifile.doTimeAnalysis();
vector<double> parameters(8);
// 1: beat on time
// 2: beat duration
// 3: channel
// 4: pitch #
// 5: velocity
// 6: start time (seconds)
// 7: duration (seconds)
// 8: track
double tpq = midifile.getTicksPerQuarterNote();
double beatstart;
double beatdur;
double starttime;
double duration;
double channel;
double key;
double velocity;
double track;
for (int i=0; i<midifile[0].size(); i++) {
if (!midifile[0][i].isNoteOn()) {
continue;
}
beatstart = midifile[0][i].tick / tpq;
beatdur = midifile[0][i].getTickDuration() / tpq;
starttime = midifile.getTimeInSeconds(0, i);
duration = midifile[0][i].getDurationInSeconds();
channel = midifile[0][i].getChannelNibble() + 1;
key = midifile[0][i][1];
velocity = midifile[0][i][2];
track = midifile[0][i].track + 1;
parameters[0] = beatstart;
parameters[1] = beatdur;
parameters[2] = channel;
parameters[3] = key;
parameters[4] = velocity;
parameters[5] = starttime;
parameters[6] = duration;
parameters[7] = track;
matlab.push_back(parameters);
}
}
double getTotalDuration(MidiFile& midifile) {
midifile.doTimeAnalysis();
midifile.joinTracks();
return midifile[0].last().seconds;
}
void convertMidiFile(MidiFile& midifile, vector<vector<double> >& matlab) {
midifile.absoluteTicks();
midifile.joinTracks();
if (secQ || msecQ) {
midifile.doTimeAnalysis();
}
vector<double> event(7);
vector<double> ontimes(128);
vector<int> onvelocities(128);
int i;
for (i=0; i<128; i++) {
ontimes[i] = -1.0;
onvelocities[i] = -1;
}
double offtime = 0.0;
int key = 0;
int vel = 0;
int command = 0;
if (verboseQ) {
cout << "-1\ttpq\t" << midifile.getTicksPerQuarterNote() << endl;
}
for (i=0; i<midifile.getNumEvents(0); i++) {
event.assign(event.size(), unused);
command = midifile[0][i][0] & 0xf0;
if (command == 0xf0) {
command = midifile[0][i][0];
}
if (command == 0x90 && midifile[0][i][2] != 0) {
// store note-on velocity and time
key = midifile[0][i][1];
vel = midifile[0][i][2];
ontimes[key] = getTime(midifile[0][i].tick, midifile);
onvelocities[key] = vel;
} else if (command == 0x90 || command == 0x80) {
// note off command write to output
key = midifile[0][i][1];
offtime = getTime(midifile[0][i].tick, midifile);
legend_opcode[OP_NOTE/1000] = 1;
if (verboseQ) {
cout
<< ontimes[key]
<< "\tnote"
<< "\tdur=" << offtime - ontimes[key]
<< "\tpch=" << key
<< "\tvel=" << onvelocities[key]
<< "\tch=" << (midifile[0][i][0] & 0x0f)
<< "\ttrack=" << midifile[0][i].track
<< endl;
} else {
event[0] = ontimes[key];
event[1] = OP_NOTE;
event[2] = offtime - ontimes[key];
event[3] = key;
event[4] = onvelocities[key];
event[5] = (midifile[0][i][0] & 0x0f);
event[6] = midifile[0][i].track;
}
} else if (command == 0xb0) {
legend_controller[midifile[0][i][1]] = 1;
legend_opcode[OP_CONTROL/1000] = 1;
if (verboseQ) {
cout << getTime(midifile[0][i].tick, midifile)
<< "\tcontrol"
<< "\ttype=" << (int)midifile[0][i][1]
<< "\tval=" << (int)midifile[0][i][2]
<< "\tch=" << (midifile[0][i][0] & 0x0f)
<< "\ttrack=" << midifile[0][i].track
<< "\n";
} else {
event[0] = getTime(midifile[0][i].tick, midifile);
event[1] = OP_CONTROL;
event[2] = (int)midifile[0][i][1];
event[3] = (int)midifile[0][i][2];
event[5] = (midifile[0][i][0] & 0x0f);
event[6] = midifile[0][i].track;
}
} else if (command == 0xc0) {
legend_instr[midifile[0][i][1]] = 1;
legend_opcode[OP_INSTR/1000] = 1;
if (verboseQ) {
cout << getTime(midifile[0][i].tick, midifile)
<< "\tinstr"
<< "\tname=" << GMinstrument[midifile[0][i][1]]
<< "\tnum=" << (int)midifile[0][i][1]
<< "\tch=" << (midifile[0][i][0] & 0x0f)
<< "\ttrack=" << midifile[0][i].track
<< "\n";
} else {
event[0] = getTime(midifile[0][i].tick, midifile);
event[1] = OP_INSTR;
event[2] = (int)midifile[0][i][1];
event[5] = (midifile[0][i][0] & 0x0f);
event[6] = midifile[0][i].track;
}
} else if (command == 0xff) {
if (verboseQ) {
cout << getTime(midifile[0][i].tick, midifile)
<< "\t";
} else {
event[0] = getTime(midifile[0][i].tick, midifile);
}
processMetaEvent(midifile, i, event);
if (verboseQ) {
cout << "\n";
}
}
/* no longer needed
// check for tempo indication
if (midifile[0][i][0] == 0xff &&
midifile[0][i][1] == 0x51) {
setTempo(midifile, i, tempo);
}
*/
if (event[1] != unused) {
matlab.push_back(event);
}
}
}
int main(int argc, char** argv) {
options.setOptions(argc, argv);
checkOptions(options);
int status;
MidiFile midifile;
if (options.getArgCount()) {
status = midifile.read(options.getArg(1));
} else {
status = midifile.read(cin);
}
if (status == 0) {
cerr << "Error: could not read MIDI file" << endl;
exit(1);
}
int tpq = midifile.getTicksPerQuarterNote();
midifile.linkNotePairs();
if (joinQ) {
midifile.joinTracks();
}
MidiEvent* mev;
double duration;
if (secondsQ) {
midifile.doTimeAnalysis();
}
if (secondsQ) {
cout << "SEC\tDUR\tTRACK\tNOTE\n";
} else if (quarterQ) {
cout << "QTRS\tDUR\tTRACK\tNOTE\n";
} else {
cout << "TICKS\tDUR\tTRACK\tNOTE\n";
}
cout << "============================\n";
for (int track=0; track < midifile.getTrackCount(); track++) {
for (int i=0; i<midifile[track].size(); i++) {
mev = &midifile[track][i];
if (!mev->isNoteOn()) {
continue;
}
if (secondsQ) {
duration = mev->getDurationInSeconds();
} else {
duration = mev->getTickDuration();
}
if (secondsQ) {
cout << mev->seconds << '\t';
cout << duration << '\t';
} else if (quarterQ) {
cout << mev->tick/tpq << '\t';
cout << duration/tpq << '\t';
} else {
cout << mev->tick << '\t';
cout << duration << '\t';
}
cout << mev->track << '\t';
cout << mev->getKeyNumber();
cout << endl;
}
if (midifile.getTrackCount() > 1) {
cout << endl;
}
}
return 0;
}
