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;
}
tresult PLUGIN_API IPlugVST3::setBusArrangements(SpeakerArrangement* inputs, int32 numIns, SpeakerArrangement* outputs, int32 numOuts)
{
TRACE;
//inputs
AudioBus* bus = getAudioInput(0);
if (bus && bus->getArrangement() != inputs[0])
{
if (inputs[0] == SpeakerArr::kMono)
{
//re-create the busses..
audioInputs.remove(bus);
if (mScChans)
{
bus = getAudioInput(0);
if (bus && bus->getArrangement() != inputs[1]) //sidechain SpeakerArr:: must match the input SpeakerArr::
{
audioInputs.remove(bus);
}
}
addAudioInput(USTRING ("Mono In"), SpeakerArr::kMono);
addAudioInput(USTRING ("Mono Sidechain In"), SpeakerArr::kMono, kAux, 0);
//disconnect the unused pins, don't worry about sidechain yet - it will get done at process()
SetInputChannelConnections(1, NInChannels(), false);
mSideChainIsConnected = false;
}
}
//outputs
bus = getAudioOutput(0);
if (bus && bus->getArrangement() != outputs[0])
{
if (outputs[0] == SpeakerArr::kMono)
{
audioOutputs.remove(bus);
addAudioOutput(USTRING ("Mono Out"), SpeakerArr::kMono);
//disconnect the unused pin
SetOutputChannelConnections(1, NOutChannels(), false);
}
}
if (mScChans)
{
if (getAudioInput(0)->getArrangement() == inputs[0] &&
getAudioOutput(0)->getArrangement() == outputs[0] &&
getAudioInput(1)->getArrangement() == inputs[1])
return kResultOk;
}
else
{
if (getAudioInput(0)->getArrangement() == inputs[0] &&
getAudioOutput(0)->getArrangement() == outputs[0])
return kResultOk;
}
return kResultFalse;
}
