String ZenMidiVisualiserComponent::getMidiMessageDescription(const MidiMessage& m)
{
if (m.isNoteOn()) return "Note on: " + S(m.getNoteNumber()) + " (" + MidiMessage::getMidiNoteName(m.getNoteNumber(), true, true, 3) + ") Vel: " + S(m.getVelocity());
if (m.isNoteOff()) return "Note off: " + S(m.getNoteNumber()) + " (" + MidiMessage::getMidiNoteName(m.getNoteNumber(), true, true, 3) + ")";
if (m.isProgramChange()) return "Program change (Number): " + String(m.getProgramChangeNumber());
if (m.isPitchWheel()) return "Pitch wheel: " + String(m.getPitchWheelValue());
if (m.isAftertouch()) return "After touch: " + MidiMessage::getMidiNoteName(m.getNoteNumber(), true, true, 3) + ": " + String(m.getAfterTouchValue());
if (m.isChannelPressure()) return "Channel pressure: " + String(m.getChannelPressureValue());
if (m.isAllNotesOff()) return "All notes off";
if (m.isAllSoundOff()) return "All sound off";
if (m.isMetaEvent()) return "Meta event";
if (m.isController())
{
String temp = MidiMessage::getControllerName(m.getControllerNumber());
String name = "Controller [" + S(m.getControllerNumber()) + "]";
if (!temp.isEmpty())
name += " " + temp;
return name + ": " + String(m.getControllerValue());
}
return String::toHexString(m.getRawData(), m.getRawDataSize());
}
static String getMidiMessageDescription (const MidiMessage& m)
{
if (m.isNoteOn()) return "Note on " + MidiMessage::getMidiNoteName (m.getNoteNumber(), true, true, 3);
if (m.isNoteOff()) return "Note off " + MidiMessage::getMidiNoteName (m.getNoteNumber(), true, true, 3);
if (m.isProgramChange()) return "Program change " + String (m.getProgramChangeNumber());
if (m.isPitchWheel()) return "Pitch wheel " + String (m.getPitchWheelValue());
if (m.isAftertouch()) return "After touch " + MidiMessage::getMidiNoteName (m.getNoteNumber(), true, true, 3) + ": " + String (m.getAfterTouchValue());
if (m.isChannelPressure()) return "Channel pressure " + String (m.getChannelPressureValue());
if (m.isAllNotesOff()) return "All notes off";
if (m.isAllSoundOff()) return "All sound off";
if (m.isMetaEvent()) return "Meta event";
if (m.isController())
{
String name (MidiMessage::getControllerName (m.getControllerNumber()));
if (name.isEmpty())
name = "[" + String (m.getControllerNumber()) + "]";
return "Controler " + name + ": " + String (m.getControllerValue());
}
return String::toHexString (m.getRawData(), m.getRawDataSize());
}
void MidiThread::run() {
midiPort = MidiOutput::openDevice(0);
map<double, double>::iterator tempoIterator = tempos.begin();
double tickLength = tempoIterator->second;
double initTempo = 60000 / (tickLength * ppq);
tempoIterator++;
map<double, std::pair<int, int>>::iterator timeSigIterator = timeSigs.begin();
int timeSigNumerator = timeSigIterator->second.first;
int timeSigDenominator = timeSigIterator->second.second;
timeSigIterator++;
MidiMessage message;
// MIDI click intro
File clickFile("Click120.mid");
ScopedPointer<FileInputStream> clickStream = clickFile.createInputStream();
double eventTick;
double prevTick = 0;
double prevDelta = 0;
int now = Time::getMillisecondCounter();
if (clickStream) {
click.readFrom(*clickStream);
short clickPpq = click.getTimeFormat();
MidiMessageSequence clickSequence = MidiMessageSequence();
clickSequence = *click.getTrack(0);
int i = 0;
while (i < clickSequence.getNumEvents()) {
message = clickSequence.getEventPointer(i)->message;
eventTick = message.getTimeStamp();
double origBpm = 60000 / (tickLength * clickPpq);
double delta = prevDelta + ((eventTick - prevTick) * (origBpm / initTempo)) * tickLength;
Time::waitForMillisecondCounter(now + delta);
midiPort->sendMessageNow(message);
i++;
prevTick = eventTick;
prevDelta = delta;
}
}
now = Time::getMillisecondCounter();
prevTick = 0;
prevDelta = 0;
int currentBar = 1;
int currentBeat = 1;
int currentTick = 0;
int quartersPerBar = timeSigNumerator * (timeSigDenominator / 4);
int tickStartOfBar = 0;
int tickStartNextBar = quartersPerBar * ppq;
currentBpm = initTempo;
int i = 0;
while (i < midiSequence.getNumEvents() && !threadShouldExit()) {
std::stringstream ss;
ss << currentBpm;
content->updateBpm(ss.str());
message = midiSequence.getEventPointer(i)->message;
eventTick = message.getTimeStamp(); // number of midi ticks until note
if (tempoIterator != tempos.end() && eventTick >= tempoIterator->first) {
tickLength = tempoIterator->second;
tempoIterator++;
}
if (timeSigIterator != timeSigs.end() && eventTick >= timeSigIterator->first) {
timeSigNumerator = timeSigIterator->second.first;
timeSigDenominator = timeSigIterator->second.second;
quartersPerBar = timeSigNumerator * (4 / timeSigDenominator);
timeSigIterator++;
}
if (eventTick >= tickStartNextBar) {
tickStartOfBar = tickStartNextBar;
tickStartNextBar = tickStartOfBar + quartersPerBar * ppq;
currentBar = currentBar + static_cast<int> (std::floor((eventTick - tickStartOfBar) / (ppq * quartersPerBar))) + 1;
}
currentBeat = static_cast<int> (std::floor((eventTick - tickStartOfBar)/ ppq)) % timeSigNumerator + 1;
currentTick = static_cast<int> (eventTick) % ppq;
if (!message.isMetaEvent() && (currentTick == 0 || currentTick == 120 || currentTick == 240 || currentTick == 360)) {
std::stringstream ss;
ss << currentBar << ":" << currentBeat << ":" << setfill('0') << setw(3) << currentTick;
content->updateBbt(ss.str());
}
double origBpm = 60000 / (tickLength * ppq);
double delta = prevDelta + ((eventTick - prevTick) * (origBpm / currentBpm)) * tickLength;
Time::waitForMillisecondCounter(now + delta);
midiPort->sendMessageNow(message);
i++;
prevTick = eventTick;
prevDelta = delta;
}
delete midiPort;
return;
}
const String getName(const MidiMessage &m)
{
if (m.isActiveSense())
{
return (" [Active Sense]");
}
if (m.isAftertouch())
{
return (" [Aftertouch]");
}
if (m.isAllNotesOff())
{
return (" [All notes off]");
}
if (m.isAllSoundOff())
{
return (" [All sound off]");
}
if (m.isChannelPressure())
{
return (" [Channel pressure]");
}
if (m.isController())
{
return (" [Controller]");
}
if (m.isFullFrame())
{
return (" [Full frame]");
}
if (m.isMetaEvent())
{
return (" [Meta event]");
}
if (m.isMidiClock())
{
return (" [MIDI Clock]");
}
if (m.isMidiContinue())
{
return (" [MIDI Continue]");
}
if (m.isMidiStart())
{
return (" [MIDI Start]");
}
if (m.isMidiStop())
{
return (" [MIDI Stop]");
}
if (m.isNoteOff())
{
return (" [Note off]");
}
if (m.isNoteOn())
{
return (" [Note on]");
}
if (m.isPitchWheel())
{
return (" [Pitch wheel]");
}
if (m.isProgramChange())
{
return (" [Program change]");
}
if (m.isQuarterFrame())
{
return (" Quarter frame]");
}
if (m.isSysEx())
{
return (" [System exclusive]");
}
return (" [Yet unknown]");
}