void mainloopalgorithms(void) {
if (synth.getNoteCount() > 0) {
processKeyboard();
}
if (offTimer.expired()) {
checkBuffers();
checkOffNotes();
offTimer.reset();
}
if (batonTimer.expired()) {
processBaton();
batonTimer.reset();
}
voicePeriod = (int)(avgDur - avgDurRange);
if (voicePeriod <= 50) {
voicePeriod = 50;
}
voiceTimer.setPeriod(voicePeriod);
if (voiceTimer.expired()) {
generateVoices();
voiceTimer.reset();
}
if (controlDisplayQ && controlDisplayTimer.expired()) {
displayVariables();
controlDisplayTimer.reset();
}
}
void mainloopalgorithms(void) {
// 1. check to see if we are in a new measure and update the
// metronome accordingly. If in 4/4, then the metronome will
// be guarenteed to be between 0 and 3.99999 after the following
// code is run. The update will make sure that the metronome remains
// synced exactly in time with the absolute beat. (Useful for
// polyphony, not really necessary in monophonic cases).
if (metronome.expired() >= meter) {
metronome.update(meter);
}
// 2. Determine the current beat of the meter.
// We will want to play automated chords on beats one and three.
beatfraction = metronome.getPeriodCount();
beat = (int)beatfraction + 1;
beatfraction -= beat - 1;
// 3. Process the incoming MIDI note messages (if any), keeping track
// of the last note, and whether it is currently on or off.
while (synth.getNoteCount() > 0) {
notemessage = synth.extractNote();
if (notemessage.getP2() != 0) {
note = notemessage.getP1();
notestates[note] = 1;
} else {
notestates[notemessage.getP1()] = 0;
}
}
// 4. Determine the position in time in the current beat.
// There are two beat-parts which are called states:
// state == 0: we are at the start of the beat and may need to
// choose a new chord.
// state == 1: we are past the maximum wait time for a chord decision
// Also, check to see if the state has changed from 0 to 1 or 1 to 0.
oldstate = state;
state = beatfraction < maxwait ? 0 : 1;
stateChange = (state != oldstate);
// 5. Check to see if a chord needs to be played.
if (stateChange && state == 0) {
playMetronome(beat);
if (chordBeat(beat, meter)) {
notescan = 1;
} else {
playChord(currentnote, OFF);
}
}
if (notescan && notestates[note]) { // if note played in beat window
currentnote = note;
playChord(currentnote, ON);
notescan = 0;
} else if (notescan && state == 1) { // if too late for a new note
playChord(currentnote, ON);
notescan = 0;
}
}
void mainloopalgorithms(void) {
eventBuffer.checkPoll();
if (pauseQ) {
return;
}
if (timer.expired()) {
playdata(data, linenum, timer);
if (linenum >= data.getNumLines()) {
printAllMarkers(cout, markers, data);
std::fill(markers.begin(), markers.end(), 0);
inputNewFile();
}
}
}
void mainloopalgorithms(void) {
sensor.checkPoll(); // see if it is time to check for new data frame
makeNote(); // check if it is time to play a MIDI note
if (display && displayTimer.expired()) {
displayTimer.reset();
cout << "\r\t\t\t\t\t\t\t\t\t";
cout << "\rkey0= " << (int)(100 * keymin)/100.0
<< " keyx= " << (int)(100 * keymax)/100.0
<< " keyc= " << (int)(100 * sensor[keychan][0])/100.0
<< " \tvel0= " << (int)(100 * velmin)/100.0
<< " velx= " << (int)(100 * velmax)/100.0
<< " velc= " << (int)(100 * sensor[velchan][0])/100.0
<< " " << flush;
}
}
int main(int argc, char** argv) {
Options options(argc, argv);
checkOptions(options);
keyboardTimer.setPeriod(10);
int command = 0;
MidiInput midiin;
midiin.setPort(inport);
midiin.open();
MidiEvent midimessage;
performance.read(options.getArg(1).data());
performance.setPort(outport);
performance.setMaxAmp(maxamp);
performance.open();
performance.setTempoMethod(tempoMethod);
performance.play();
while (command != 'Q') {
while (midiin.getCount() > 0) {
midiin.extract(midimessage);
processMidiCommand(midimessage);
}
performance.xcheck();
eventIdler.sleep();
if (keyboardTimer.expired()) {
keyboardTimer.reset();
command = checkKeyboard();
if (command == 'Q') {
break;
} else {
keyboardCommand(command);
}
}
}
return 0;
}
void stick2trig(void) {
if (triggerTimer.expired()) {
performance.beat();
triggerTimer.reset();
}
}
void mainloopalgorithms(void) {
if (comparestate && notetimer.expired()) {
if (notetimer.expired() > 2) {
notetimer.reset();
} else {
notetimer.update();
}
notestate = !notestate;
if (notestate == 1 || notestate == -1) {
synth.play(0, note, 64);
data = 0x90; sentout.insert(data);
data = note; sentout.insert(data);
data = 64; sentout.insert(data);
} else {
synth.play(0, note, 0);
data = 0x90; sentout.insert(data);
data = note; sentout.insert(data);
data = 0; sentout.insert(data);
note += step * direction;
if (note > highestnote) {
note = lowestnote;
}
if (note < lowestnote) {
note = highestnote;
}
}
}
if (midiinput.getCount() > 0) {
message = midiinput.extract();
receivedin.insert(message.p0());
receivedin.insert(message.p1());
receivedin.insert(message.p2());
// check that the messages are identical
if (receivedin.getCount() < 3) {
cout << "Error: not enough received data" << endl;
} else {
checkin[0] = receivedin.extract();
checkin[1] = receivedin.extract();
checkin[2] = receivedin.extract();
}
if (sentout.getCount() < 3) {
cout << "Error: not enough sent data" << endl;
} else {
checkout[0] = sentout.extract();
checkout[1] = sentout.extract();
checkout[2] = sentout.extract();
}
if ((checkout[0] != checkin[0]) || (checkout[1] != checkin[1]) ||
(checkout[2] != checkin[2])) {
synth.rawsend(0xaa, 0x7f, 0x00);
cout << "Error "
<< "output was = (" << hex << (int)checkout[0] << ") "
<< dec << (int)checkout[1] << " "
<< dec << (int)checkout[2] << "\tbut input is = ("
<< hex << (int)checkin[0] << ") "
<< dec << (int)checkin[1] << " "
<< dec << (int)checkin[2] << " "
<< endl;
// assume that a note message was missed.
if (sentout.getCount() < 3) {
cout << "Error: not enough sent data during error" << endl;
} else {
checkout[0] = sentout.extract();
checkout[1] = sentout.extract();
checkout[2] = sentout.extract();
}
stop();
cout << "Press space to restart testing, "
"or press 'S' to silence synth" << endl;
}
}
}