AAX_Result IPlugAAX::SetChunk(AAX_CTypeID chunkID, const AAX_SPlugInChunk * iChunk )
{
TRACE;
if (chunkID == GetUniqueID())
{
ByteChunk IPlugChunk;
IPlugChunk.PutBytes(iChunk->fData, iChunk->fSize);
int pos = 0;
//GetIPlugVerFromChunk(&IPlugChunk, &pos);
pos = UnserializeState(&IPlugChunk, pos);
for (int i = 0; i< NParams(); i++)
{
SetParameterNormalizedValue(mParamIDs.Get(i)->Get(), GetParam(i)->GetNormalized() );
}
RedrawParamControls(); //TODO: what about icontrols not linked to params how do they get redrawn - setdirty via UnserializeState()?
mNumPlugInChanges++; // necessary in order to cause CompareActiveChunk() to get called again and turn off the compare light
return AAX_SUCCESS;
}
return AAX_ERROR_INVALID_CHUNK_ID;
}
AAX_Result IPlugAAX::UpdateParameterNormalizedValue(AAX_CParamID iParameterID, double iValue, AAX_EUpdateSource iSource )
{
TRACE;
AAX_Result result = AAX_SUCCESS;
AAX_IParameter* parameter = mParameterManager.GetParameterByID(iParameterID);
if (parameter == 0)
return AAX_ERROR_INVALID_PARAMETER_ID;
// Store the value into the parameter.
parameter->UpdateNormalizedValue(iValue);
int paramIdx = atoi(iParameterID) - kAAXParamIdxOffset;
if ((paramIdx >= 0) && (paramIdx < NParams()))
{
IMutexLock lock(this);
GetParam(paramIdx)->SetNormalized(iValue);
if (GetGUI())
{
GetGUI()->SetParameterFromPlug(paramIdx, iValue, true);
}
OnParamChange(paramIdx, kAutomation);
}
// Now the control has changed
result = mPacketDispatcher.SetDirty(iParameterID);
mNumPlugInChanges++;
return result;
}
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;
}
tresult PLUGIN_API IPlugVST3::initialize (FUnknown* context)
{
TRACE;
tresult result = SingleComponentEffect::initialize (context);
if (result == kResultOk)
{
addAudioInput (STR16("Audio Input"), getSpeakerArrForChans(NInChannels()) );
addAudioOutput (STR16("Audio Output"), getSpeakerArrForChans(NOutChannels()) );
if (mScChans == 1)
addAudioInput(STR16("Sidechain Input"), SpeakerArr::kMono, kAux, 0);
else if (mScChans >= 2)
{
mScChans = 2;
addAudioInput(STR16("Sidechain Input"), SpeakerArr::kStereo, kAux, 0);
}
if(mDoesMidi) {
addEventInput (STR16("MIDI In"), 1);
addEventOutput(STR16("MIDI Out"), 1);
}
for (int i=0;i<NParams();i++)
{
IParam *p = GetParam(i);
int32 flags = 0;
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(),
p->GetStep(),
flags);
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);
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;
}
}
}
return result;
}
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;
}
AAX_Result IPlugAAX::EffectInit()
{
TRACE;
AAX_CString bypassID = NULL;
this->GetMasterBypassParameter( &bypassID );
mBypassParameter = new AAX_CParameter<bool>(bypassID.CString(),
AAX_CString("Master Bypass"),
false,
AAX_CBinaryTaperDelegate<bool>(),
AAX_CBinaryDisplayDelegate<bool>("bypass", "on"),
true);
mBypassParameter->SetNumberOfSteps( 2 );
mBypassParameter->SetType( AAX_eParameterType_Discrete );
mParameterManager.AddParameter(mBypassParameter);
for (int i=0;i<NParams();i++)
{
IParam *p = GetParam(i);
AAX_IParameter* param = 0;
WDL_String* paramID = new WDL_String("_", 1);
paramID->SetFormatted(32, "%i", i+kAAXParamIdxOffset);
mParamIDs.Add(paramID);
switch (p->Type())
{
case IParam::kTypeDouble:
{
param = new AAX_CParameter<double>(paramID->Get(),
AAX_CString(p->GetNameForHost()),
p->GetDefault(),
AAX_CIPlugTaperDelegate<double>(p->GetMin(), p->GetMax(), p->GetShape()),
AAX_CUnitDisplayDelegateDecorator<double>( AAX_CNumberDisplayDelegate<double>(), AAX_CString(p->GetLabelForHost())),
p->GetCanAutomate());
param->SetNumberOfSteps(128); // TODO: check this https://developer.digidesign.com/index.php?L1=5&L2=13&L3=56
param->SetType(AAX_eParameterType_Continuous);
break;
}
case IParam::kTypeInt:
{
param = new AAX_CParameter<int>(paramID->Get(),
AAX_CString(p->GetNameForHost()),
(int)p->GetDefault(),
AAX_CLinearTaperDelegate<int>((int)p->GetMin(), (int)p->GetMax()),
AAX_CUnitDisplayDelegateDecorator<int>( AAX_CNumberDisplayDelegate<int>(), AAX_CString(p->GetLabelForHost())),
p->GetCanAutomate());
param->SetNumberOfSteps(128);
param->SetType(AAX_eParameterType_Continuous);
break;
}
case IParam::kTypeEnum:
case IParam::kTypeBool:
{
int nTexts = p->GetNDisplayTexts();
std::map<int, AAX_CString> displayTexts;
for (int j=0; j<p->GetNDisplayTexts(); j++)
{
int value;
const char* text = p->GetDisplayTextAtIdx(j, &value);
displayTexts.insert(std::pair<int, AAX_CString>(value, AAX_CString(text)) );
}
param = new AAX_CParameter<int>(paramID->Get(),
AAX_CString(p->GetNameForHost()),
(int)p->GetDefault(),
AAX_CLinearTaperDelegate<int>((int)p->GetMin(), (int)p->GetMax()),
AAX_CStringDisplayDelegate<int>(displayTexts),
p->GetCanAutomate());
param->SetNumberOfSteps(nTexts);
param->SetType(AAX_eParameterType_Discrete);
break;
}
default:
break;
}
mParameterManager.AddParameter(param);
}
AAX_CSampleRate sr;
Controller()->GetSampleRate(&sr);
SetSampleRate(sr);
Reset();
return AAX_SUCCESS;
}
