bool IPlugStandalone::SendMidiMsg(IMidiMsg* pMsg)
{
#ifdef OS_IOS
mIOSLink->SendMidiMsg(pMsg);
#else
if (DoesMIDI())
{
IMidiMsg newMsg = *pMsg;
// if the midi channel out filter is set, reassign the status byte appropriately
if (!*mMidiOutChan == 0)
{
newMsg.mStatus = (*mMidiOutChan)-1 | ((unsigned int) newMsg.StatusMsg() << 4) ;
}
std::vector<unsigned char> message;
message.push_back( newMsg.mStatus );
message.push_back( newMsg.mData1 );
message.push_back( newMsg.mData2 );
mMidiOut->sendMessage( &message );
return true;
}
#endif
return false;
}
void IPlugVST::VSTPrepProcess(SAMPLETYPE** inputs, SAMPLETYPE** outputs, VstInt32 nFrames)
{
if (DoesMIDI()) {
mHostCallback(&mAEffect, __audioMasterWantMidiDeprecated, 0, 0, 0, 0.0f);
}
AttachInputBuffers(0, NInChannels(), inputs, nFrames);
AttachOutputBuffers(0, NOutChannels(), outputs);
}
void IPlugAAX::RenderAudio(AAX_SIPlugRenderInfo* ioRenderInfo)
{
TRACE_PROCESS;
IMutexLock lock(this);
// Get bypass parameter value
bool bypass;
mBypassParameter->GetValueAsBool(&bypass);
AAX_EStemFormat inFormat, outFormat;
Controller()->GetInputStemFormat(&inFormat);
Controller()->GetOutputStemFormat(&outFormat);
if (DoesMIDI())
{
AAX_IMIDINode* midiIn = ioRenderInfo->mInputNode;
AAX_CMidiStream* midiBuffer = midiIn->GetNodeBuffer();
AAX_CMidiPacket* midiBufferPtr = midiBuffer->mBuffer;
uint32_t packets_count = midiBuffer->mBufferSize;
// Setup MIDI Out node pointers
// AAX_IMIDINode* midiNodeOut = instance->mMIDINodeOutP;
// AAX_CMidiStream* midiBufferOut = midiNodeOut->GetNodeBuffer();
// AAX_CMidiPacket* midiBufferOutPtr = midiBufferOut->mBuffer;
for (int i = 0; i<packets_count; i++, midiBufferPtr++)
{
IMidiMsg msg(midiBufferPtr->mTimestamp, midiBufferPtr->mData[0], midiBufferPtr->mData[1], midiBufferPtr->mData[2]);
ProcessMidiMsg(&msg);
}
}
AAX_IMIDINode* transportNode = ioRenderInfo->mTransportNode;
mTransport = transportNode->GetTransport();
int32_t numSamples = *(ioRenderInfo->mNumSamples);
int32_t numInChannels = AAX_STEM_FORMAT_CHANNEL_COUNT(inFormat);
int32_t numOutChannels = AAX_STEM_FORMAT_CHANNEL_COUNT(outFormat);
SetInputChannelConnections(0, numInChannels, true);
SetInputChannelConnections(numInChannels, NInChannels() - numInChannels, false);
AttachInputBuffers(0, NInChannels(), ioRenderInfo->mAudioInputs, numSamples);
SetOutputChannelConnections(0, numOutChannels, true);
SetOutputChannelConnections(numOutChannels, NOutChannels() - numOutChannels, false);
AttachOutputBuffers(0, NOutChannels(), ioRenderInfo->mAudioOutputs);
if (bypass)
{
PassThroughBuffers(0.0f, numSamples);
}
else
{
ProcessBuffers(0.0f, numSamples);
}
}
tresult PLUGIN_API IPlugVST3Plugin::initialize (FUnknown* context)
{
TRACE;
tresult result = SingleComponentEffect::initialize(context);
String128 tmpStringBuf;
char hostNameCString[128];
FUnknownPtr<IHostApplication>app(context);
if (app)
{
app->getName(tmpStringBuf);
Steinberg::UString(tmpStringBuf, 128).toAscii(hostNameCString, 128);
SetHost(hostNameCString, 0); // Can't get version in VST3
}
if (result == kResultOk)
{
int maxInputs = getSpeakerArrForChans(NInChannels()-mScChans);
if(maxInputs < 0) maxInputs = 0;
// add io buses with the maximum i/o to start with
if (maxInputs)
{
Steinberg::UString(tmpStringBuf, 128).fromAscii(GetInputBusLabel(0)->Get(), 128);
addAudioInput(tmpStringBuf, maxInputs);
}
if(!mIsInst) // if effect, just add one output bus with max chan count
{
Steinberg::UString(tmpStringBuf, 128).fromAscii(GetOutputBusLabel(0)->Get(), 128);
addAudioOutput(tmpStringBuf, getSpeakerArrForChans(NOutChannels()) );
}
else
{
for (int i = 0, busIdx = 0; i < NOutChannels(); i+=2, busIdx++)
{
Steinberg::UString(tmpStringBuf, 128).fromAscii(GetOutputBusLabel(busIdx)->Get(), 128);
addAudioOutput(tmpStringBuf, SpeakerArr::kStereo );
}
}
if (mScChans)
{
if (mScChans > 2) mScChans = 2;
Steinberg::UString(tmpStringBuf, 128).fromAscii(GetInputBusLabel(1)->Get(), 128);
addAudioInput(tmpStringBuf, getSpeakerArrForChans(mScChans), kAux, 0);
}
if(DoesMIDI())
{
addEventInput (STR16("MIDI Input"), 1);
//addEventOutput(STR16("MIDI Output"), 1);
}
if (NPresets())
{
parameters.addParameter(new Parameter(STR16("Preset"),
kPresetParam,
STR16(""),
0,
NPresets(),
ParameterInfo::kIsProgramChange));
}
if(!mIsInst)
{
StringListParameter * bypass = new StringListParameter(STR16("Bypass"),
kBypassParam,
0,
ParameterInfo::kCanAutomate | ParameterInfo::kIsBypass | ParameterInfo::kIsList);
bypass->appendString(STR16("off"));
bypass->appendString(STR16("on"));
parameters.addParameter(bypass);
}
for (int i=0; i<NParams(); i++)
{
IParam *p = GetParam(i);
int32 flags = 0;
UnitID unitID = kRootUnitId;
const char* paramGroupName = p->GetParamGroupForHost();
if (CSTR_NOT_EMPTY(paramGroupName))
{
for(int j = 0; j < mParamGroups.GetSize(); j++)
{
if(strcmp(paramGroupName, mParamGroups.Get(j)) == 0)
{
unitID = j+1;
}
}
if (unitID == kRootUnitId) // new unit, nothing found, so add it
{
mParamGroups.Add(paramGroupName);
unitID = mParamGroups.GetSize();
}
}
if (p->GetCanAutomate())
{
flags |= ParameterInfo::kCanAutomate;
}
switch (p->Type())
{
case IParam::kTypeDouble:
case IParam::kTypeInt:
{
Parameter* param = new RangeParameter( STR16(p->GetNameForHost()),
i,
STR16(p->GetLabelForHost()),
p->GetMin(),
p->GetMax(),
p->GetDefault(),
0, // continuous
flags,
unitID);
param->setPrecision (p->GetPrecision());
parameters.addParameter(param);
break;
}
case IParam::kTypeEnum:
case IParam::kTypeBool:
{
StringListParameter* param = new StringListParameter (STR16(p->GetNameForHost()),
i,
STR16(p->GetLabelForHost()),
flags | ParameterInfo::kIsList,
unitID);
int nDisplayTexts = p->GetNDisplayTexts();
assert(nDisplayTexts);
for (int j=0; j<nDisplayTexts; j++)
{
param->appendString(STR16(p->GetDisplayText(j)));
}
parameters.addParameter(param);
break;
}
default:
break;
}
}
}
OnHostIdentified();
RestorePreset(0);
return result;
}
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;
}