void Vega::processVirtualKeyboard() {
IKeyboardControl* virtualKeyboard = (IKeyboardControl*) mVirtualKeyboard;
int virtualKeyboardNoteNumber = virtualKeyboard->GetKey() + virtualKeyboardMinimumNoteNumber;
if (lastVirtualKeyboardNoteNumber >= virtualKeyboardMinimumNoteNumber
&& virtualKeyboardNoteNumber != lastVirtualKeyboardNoteNumber) {
IMidiMsg midiMessage;
midiMessage.MakeNoteOffMsg(lastVirtualKeyboardNoteNumber, 0);
mMIDIReceiver.onMessageReceived(&midiMessage);
}
if (virtualKeyboardNoteNumber >= virtualKeyboardMinimumNoteNumber
&& virtualKeyboardNoteNumber != lastVirtualKeyboardNoteNumber) {
IMidiMsg midiMessage;
midiMessage.MakeNoteOnMsg(virtualKeyboardNoteNumber, virtualKeyboard->GetVelocity(), 0);
mMIDIReceiver.onMessageReceived(&midiMessage);
}
lastVirtualKeyboardNoteNumber = virtualKeyboardNoteNumber;
}
void Synthesis::processVirtualKeyboard() {
IKeyboardControl* virtualKeyboard = (IKeyboardControl*) mVirtualKeyboard;
int virtualKeyboardNoteNumber = virtualKeyboard->GetKey() + virtualKeyboardMinimumNoteNumber;
if(lastVirtualKeyboardNoteNumber >= virtualKeyboardMinimumNoteNumber && virtualKeyboardNoteNumber != lastVirtualKeyboardNoteNumber) {
// The note number has changed from a valid key to something else (valid key or nothing). Release the valid key:
IMidiMsg midiMessage;
midiMessage.MakeNoteOffMsg(lastVirtualKeyboardNoteNumber, 0);
mMIDIReceiver.onMessageReceived(&midiMessage);
}
if (virtualKeyboardNoteNumber >= virtualKeyboardMinimumNoteNumber && virtualKeyboardNoteNumber != lastVirtualKeyboardNoteNumber) {
// A valid key is pressed that wasn't pressed the previous call. Send a "note on" message to the MIDI receiver:
IMidiMsg midiMessage;
midiMessage.MakeNoteOnMsg(virtualKeyboardNoteNumber, virtualKeyboard->GetVelocity(), 0);
mMIDIReceiver.onMessageReceived(&midiMessage);
}
lastVirtualKeyboardNoteNumber = virtualKeyboardNoteNumber;
}
void IPlugMultiTargets::ProcessDoubleReplacing(double** inputs, double** outputs, int nFrames)
{
// Mutex is already locked for us.
double* in1 = inputs[0];
double* in2 = inputs[1];
double* out1 = outputs[0];
double* out2 = outputs[1];
double peakL = 0.0, peakR = 0.0;
GetTime(&mTimeInfo);
IKeyboardControl* pKeyboard = (IKeyboardControl*) mKeyboard;
if (pKeyboard->GetKey() != mKey)
{
IMidiMsg msg;
if (mKey >= 0) {
msg.MakeNoteOffMsg(mKey + 48, 0, 0);
mMidiQueue.Add(&msg);
}
mKey = pKeyboard->GetKey();
if (mKey >= 0) {
msg.MakeNoteOnMsg(mKey + 48, pKeyboard->GetVelocity(), 0, 0);
mMidiQueue.Add(&msg);
}
}
for (int offset = 0; offset < nFrames; ++offset, ++in1, ++in2, ++out1, ++out2)
{
while (!mMidiQueue.Empty())
{
IMidiMsg* pMsg = mMidiQueue.Peek();
if (pMsg->mOffset > offset) break;
// TODO: make this work on win sa
#if !defined(OS_WIN) && !defined(SA_API)
SendMidiMsg(pMsg);
#endif
int status = pMsg->StatusMsg();
switch (status)
{
case IMidiMsg::kNoteOn:
case IMidiMsg::kNoteOff:
{
int velocity = pMsg->Velocity();
// Note On
if (status == IMidiMsg::kNoteOn && velocity)
{
mNote = pMsg->NoteNumber();
mFreq = 440. * pow(2., (mNote - 69.) / 12.);
mNoteGain = velocity / 127.;
}
// Note Off
else // if (status == IMidiMsg::kNoteOff || !velocity)
{
if (pMsg->NoteNumber() == mNote)
mNote = -1;
mNoteGain = 0.;
}
break;
}
}
mMidiQueue.Remove();
}
*out1 = sin( 2. * M_PI * mFreq * mPhase / mSampleRate ) * mGainLSmoother.Process(mGainL * mNoteGain);
*out2 = sin( 2. * M_PI * mFreq * 1.01 * (mPhase++) / mSampleRate ) * mGainRSmoother.Process(mGainR * mNoteGain);
peakL = IPMAX(peakL, fabs(*out1));
peakR = IPMAX(peakR, fabs(*out2));
}
const double METER_ATTACK = 0.6, METER_DECAY = 0.05;
double xL = (peakL < mPrevL ? METER_DECAY : METER_ATTACK);
double xR = (peakR < mPrevR ? METER_DECAY : METER_ATTACK);
peakL = peakL * xL + mPrevL * (1.0 - xL);
peakR = peakR * xR + mPrevR * (1.0 - xR);
mPrevL = peakL;
mPrevR = peakR;
if (GetGUI())
{
GetGUI()->SetControlFromPlug(mMeterIdx_L, peakL);
GetGUI()->SetControlFromPlug(mMeterIdx_R, peakR);
}
mMidiQueue.Flush(nFrames);
}
