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; } }