// 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; } }
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 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; }
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); }
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; }
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); }