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 keyboardchar(int command) {
switch (command) {
case ' ':
performance.beat();
break;
case 'b': // print beat location in performance
cout << "Current beat is: " << performance.getBeatLocation() << endl;
break;
case 'z': // toggle MIDI collapsing
{
int setting = performance.channelCollapse();
setting = !setting;
performance.channelCollapse(setting);
if (setting) {
cout << "All notes going to channel 1" << endl;
} else {
cout << "All channel settings are unmodified" << endl;
}
}
break;
case 'p': // start playing the performance
performance.play();
cout << "Starting performance" << endl;
break;
case '[': // set performance volume lower
{
double amp = performance.getAmp();
amp /= 1.15;
performance.setAmp(amp);
cout << "Amplitude scaling = " << performance.getAmp() << endl;
}
break;
case ']': // set performance volume higher
{
double amp = performance.getAmp();
amp *= 1.15;
performance.setAmp(amp);
cout << "Amplitude scaling = " << performance.getAmp() << endl;
}
break;
case 't': // current tempo display
cout << "The Current tempo is: " << performance.getTempo() << endl;
break;
case '-': // slow down the tempo
{
double tempo = performance.getTempo();
tempo /= 1.03;
performance.setTempo(tempo);
cout << "The Tempo was set on the keyboard to : " << tempo << endl;
}
break;
case '=': // speed up the tempo
{
double tempo = performance.getTempo();
tempo *= 1.03;
performance.setTempo(tempo);
cout << "The Tempo was set on the keyboard to : " << tempo << endl;
}
break;
case '0': // automatic tempo control
performance.setTempoMethod(TEMPO_METHOD_AUTOMATIC);
cout << "Automatic Tempo Setting at tempo = "
<< performance.getTempo() << endl;
break;
case '9': // constant tempo control
performance.setTempoMethod(TEMPO_METHOD_CONSTANT);
cout << "Constant Tempo Contro at tempo = "
<< performance.getTempo() << endl;
break;
case '1': // 1 beat history average tempo
performance.setTempoMethod(TEMPO_METHOD_ONEBACK);
cout << "One beat tempo history" << endl;
break;
case '2': // 2 beat history average tempo
performance.setTempoMethod(TEMPO_METHOD_TWOBACK);
cout << "Two beat tempo history" << endl;
break;
case '3': // 3 beat history average tempo
performance.setTempoMethod(TEMPO_METHOD_THREEBACK);
cout << "Three beat tempo history" << endl;
break;
case '4': // 4 beat history average tempo
performance.setTempoMethod(TEMPO_METHOD_FOURBACK);
cout << "Four beat tempo history" << endl;
break;
}
}
