Пример #1
0
//  We're only ever playing one note (monophonic)
void Arponaut::NoteOff()
{
    if (playing_.StatusMsg() != IMidiMsg::kNoteOff) {
        IMidiMsg offMsg;
        offMsg.MakeNoteOffMsg(playing_.NoteNumber(), playing_.mOffset);
        SendMidiMsg(&offMsg);
        playing_ = offMsg;
    }
}
Пример #2
0
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;
}
Пример #3
0
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;
}
tresult PLUGIN_API IPlugVST3Plugin::process(ProcessData& data)
{
  TRACE_PROCESS;

  IMutexLock lock(this);

  if(data.processContext)
    memcpy(&mProcessContext, data.processContext, sizeof(ProcessContext));

  //process parameters
  IParameterChanges* paramChanges = data.inputParameterChanges;
  if (paramChanges)
  {
    int32 numParamsChanged = paramChanges->getParameterCount();

    //it is possible to get a finer resolution of control here by retrieving more values (points) from the queue
    //for now we just grab the last one

    for (int32 i = 0; i < numParamsChanged; i++)
    {
      IParamValueQueue* paramQueue = paramChanges->getParameterData(i);
      if (paramQueue)
      {
        int32 numPoints = paramQueue->getPointCount();
        int32 offsetSamples;
        double value;

        if (paramQueue->getPoint(numPoints - 1,  offsetSamples, value) == kResultTrue)
        {
          int idx = paramQueue->getParameterId();

          switch (idx)
          {
            case kBypassParam:
            {
              bool bypassed = (value > 0.5);
              
              if (bypassed != mIsBypassed)
              {
                mIsBypassed = bypassed;
              }

              break;
            }
            case kPresetParam:
              RestorePreset(FromNormalizedParam(value, 0, NPresets(), 1.));
              break;
              //TODO pitch bend, modwheel etc
            default:
              if (idx >= 0 && idx < NParams())
              {
                GetParam(idx)->SetNormalized((double)value);
                if (GetGUI()) GetGUI()->SetParameterFromPlug(idx, (double)value, true);
                OnParamChange(idx);
              }
              break;
          }

        }
      }
    }
  }

  if(DoesMIDI())
  {
    //process events.. only midi note on and note off?
    IEventList* eventList = data.inputEvents;
    if (eventList)
    {
      int32 numEvent = eventList->getEventCount();
      for (int32 i=0; i<numEvent; i++)
      {
        Event event;
        if (eventList->getEvent(i, event) == kResultOk)
        {
          IMidiMsg msg;
          switch (event.type)
          {
            case Event::kNoteOnEvent:
            {
              msg.MakeNoteOnMsg(event.noteOn.pitch, event.noteOn.velocity * 127, event.sampleOffset, event.noteOn.channel);
              ProcessMidiMsg(&msg);
              break;
            }

            case Event::kNoteOffEvent:
            {
              msg.MakeNoteOffMsg(event.noteOff.pitch, event.sampleOffset, event.noteOff.channel);
              ProcessMidiMsg(&msg);
              break;
            }
          }
        }
      }
    }
  }

#pragma mark process single precision

  if (processSetup.symbolicSampleSize == kSample32)
  {
    if (data.numInputs)
    {
      if (mScChans)
      {
        if (getAudioInput(1)->isActive()) // Sidechain is active
        {
          mSidechainActive = true;
          SetInputChannelConnections(0, NInChannels(), true);
        }
        else
        {
          if (mSidechainActive)
          {
            ZeroScratchBuffers();
            mSidechainActive = false;
          }

          SetInputChannelConnections(0, NInChannels(), true);
          SetInputChannelConnections(data.inputs[0].numChannels, NInChannels() - mScChans, false);
        }

        AttachInputBuffers(0, NInChannels() - mScChans, data.inputs[0].channelBuffers32, data.numSamples);
        AttachInputBuffers(mScChans, NInChannels() - mScChans, data.inputs[1].channelBuffers32, data.numSamples);
      }
      else
      {
        SetInputChannelConnections(0, data.inputs[0].numChannels, true);
        SetInputChannelConnections(data.inputs[0].numChannels, NInChannels() - data.inputs[0].numChannels, false);
        AttachInputBuffers(0, NInChannels(), data.inputs[0].channelBuffers32, data.numSamples);
      }
    }

    for (int outBus = 0, chanOffset = 0; outBus < data.numOutputs; outBus++)
    {
      int busChannels = data.outputs[outBus].numChannels;
      SetOutputChannelConnections(chanOffset, busChannels, (bool) getAudioOutput(outBus)->isActive());
      SetOutputChannelConnections(chanOffset + busChannels, NOutChannels() - (chanOffset + busChannels), false);
      AttachOutputBuffers(chanOffset, busChannels, data.outputs[outBus].channelBuffers32);
      chanOffset += busChannels;
    }

    if (mIsBypassed)
      PassThroughBuffers(0.0f, data.numSamples);
    else
      ProcessBuffers(0.0f, data.numSamples); // process buffers single precision
  }

#pragma mark process double precision

  else if (processSetup.symbolicSampleSize == kSample64)
  {
    if (data.numInputs)
    {
      if (mScChans)
      {
        if (getAudioInput(1)->isActive()) // Sidechain is active
        {
          mSidechainActive = true;
          SetInputChannelConnections(0, NInChannels(), true);
        }
        else
        {
          if (mSidechainActive)
          {
            ZeroScratchBuffers();
            mSidechainActive = false;
          }

          SetInputChannelConnections(0, NInChannels(), true);
          SetInputChannelConnections(data.inputs[0].numChannels, NInChannels() - mScChans, false);
        }

        AttachInputBuffers(0, NInChannels() - mScChans, data.inputs[0].channelBuffers64, data.numSamples);
        AttachInputBuffers(mScChans, NInChannels() - mScChans, data.inputs[1].channelBuffers64, data.numSamples);
      }
      else
      {
        SetInputChannelConnections(0, data.inputs[0].numChannels, true);
        SetInputChannelConnections(data.inputs[0].numChannels, NInChannels() - data.inputs[0].numChannels, false);
        AttachInputBuffers(0, NInChannels(), data.inputs[0].channelBuffers64, data.numSamples);
      }
    }

    for (int outBus = 0, chanOffset = 0; outBus < data.numOutputs; outBus++)
    {
      int busChannels = data.outputs[outBus].numChannels;
      SetOutputChannelConnections(chanOffset, busChannels, (bool) getAudioOutput(outBus)->isActive());
      SetOutputChannelConnections(chanOffset + busChannels, NOutChannels() - (chanOffset + busChannels), false);
      AttachOutputBuffers(chanOffset, busChannels, data.outputs[outBus].channelBuffers64);
      chanOffset += busChannels;
    }

    if (mIsBypassed)
      PassThroughBuffers(0.0, data.numSamples);
    else
      ProcessBuffers(0.0, data.numSamples); // process buffers double precision
  }

// Midi Out
//  if (mDoesMidi) {
//    IEventList eventList = data.outputEvents;
//
//    if (eventList)
//    {
//      Event event;
//
//      while (!mMidiOutputQueue.Empty()) {
//        //TODO: parse events and add
//        eventList.addEvent(event);
//      }
//    }
//  }

  return kResultOk;
}
Пример #5
0
Sequence::Sequence(KeyMap& keymap, int length) : keymap_(keymap), pos(0), playLength_(0), octaves_(1), arpMode_(kUp), insertMode_(kInsertOff)
{
    IMidiMsg off;
    off.MakeNoteOffMsg(0, 0);
    sequence.insert(sequence.begin(), length, off);
}
Пример #6
0
tresult PLUGIN_API IPlugVST3::process(ProcessData& data)
{ 
  TRACE_PROCESS;
  
  IMutexLock lock(this); // TODO: is this the best place to lock the mutex?
  
  memcpy(&mProcessContext, data.processContext, sizeof(ProcessContext));
  
  //process parameters
  IParameterChanges* paramChanges = data.inputParameterChanges;
  if (paramChanges)
  {
    int32 numParamsChanged = paramChanges->getParameterCount();
    
    //it is possible to get a finer resolution of control here by retrieving more values (points) from the queue
    //for now we just grab the last one
    
    for (int32 i = 0; i < numParamsChanged; i++)
    {
      IParamValueQueue* paramQueue = paramChanges->getParameterData(i);
      if (paramQueue)
      {
        int32 numPoints = paramQueue->getPointCount();
        int32 offsetSamples;
        double value;
        
        if (paramQueue->getPoint(numPoints - 1,  offsetSamples, value) == kResultTrue)
        {
          int idx = paramQueue->getParameterId();
          if (idx >= 0 && idx < NParams()) 
          {
            GetParam(idx)->SetNormalized((double)value);
            if (GetGUI()) GetGUI()->SetParameterFromPlug(idx, (double)value, true);
            OnParamChange(idx);
          }
        }
      }
    }
  }
  
  if(mDoesMidi) {
    //process events.. only midi note on and note off?
    IEventList* eventList = data.inputEvents;
    if (eventList) 
    {
      int32 numEvent = eventList->getEventCount();
      for (int32 i=0; i<numEvent; i++)
      {
        Event event;
        if (eventList->getEvent(i, event) == kResultOk)
        {
          IMidiMsg msg;
          switch (event.type)
          {
            case Event::kNoteOnEvent:
            {
              msg.MakeNoteOnMsg(event.noteOn.pitch, event.noteOn.velocity * 127, event.sampleOffset, event.noteOn.channel);
              ProcessMidiMsg(&msg);
              break;
            }
              
            case Event::kNoteOffEvent:
            {
              msg.MakeNoteOffMsg(event.noteOff.pitch, event.sampleOffset, event.noteOff.channel);
              ProcessMidiMsg(&msg);
              break;
            }
          }
        }
      }
    }
  }
  
  //process audio
  if (data.numInputs == 0 || data.numOutputs == 0)
  {
    // nothing to do
    return kResultOk;
  }
  
  if (processSetup.symbolicSampleSize == kSample32)
  {
    float** in  = data.inputs[0].channelBuffers32;
    float** out = data.outputs[0].channelBuffers32;
    
    if (mScChans) 
    {
      float** side = data.inputs[1].channelBuffers32;

      if (getAudioInput(1)->isActive()) 
      {
        int totalNInputs = data.inputs[0].numChannels + data.inputs[1].numChannels;
        
        float** allInputs = new float*[totalNInputs];

        for (int i = 0; i < data.inputs[0].numChannels; i ++) {
          allInputs[i] = in[i];
        }
        
        for (int i = 0; i < data.inputs[1].numChannels; i ++) {
          allInputs[i + data.inputs[0].numChannels] = side[i];
        }
        
        AttachInputBuffers(0, totalNInputs, allInputs, data.numSamples);
        mSideChainIsConnected = true;
        
        delete [] allInputs;
      }
      else 
      {
        AttachInputBuffers(0, data.inputs[0].numChannels, in, data.numSamples);
        mSideChainIsConnected = false;
      }
    }
    else 
    {
      AttachInputBuffers(0, data.inputs[0].numChannels, in, data.numSamples);
    }
    
    AttachOutputBuffers(0, data.outputs[0].numChannels, out);
    ProcessBuffers(0.0f, data.numSamples);
  }
  else if (processSetup.symbolicSampleSize == kSample64) // TODO: parity for double precision
  {
    double** in  = data.inputs[0].channelBuffers64;
    double** out = data.outputs[0].channelBuffers64;
    
    AttachInputBuffers(0, data.inputs[0].numChannels, in, data.numSamples);
    AttachOutputBuffers(0, data.outputs[0].numChannels, out);
    
    ProcessBuffers(0.0, data.numSamples);
  } 
  
  // Midi Out
//  if (mDoesMidi) {
//    IEventList eventList = data.outputEvents;
//    
//    if (eventList) 
//    {
//      Event event;
//      
//      while (!mMidiOutputQueue.Empty()) {
//        //TODO: parse events and add
//        eventList.addEvent(event);
//      }
//    }
//  }
  
  return kResultOk; 
}
Пример #7
0
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);
}