tresult PLUGIN_API IPlugVST3Plugin::setBusArrangements(SpeakerArrangement* inputs, int32 numIns, SpeakerArrangement* outputs, int32 numOuts)
{
TRACE;
// disconnect all io pins, they will be reconnected in process
SetInputChannelConnections(0, NInChannels(), false);
SetOutputChannelConnections(0, NOutChannels(), false);
int32 reqNumInputChannels = SpeakerArr::getChannelCount(inputs[0]); //requested # input channels
int32 reqNumOutputChannels = SpeakerArr::getChannelCount(outputs[0]);//requested # output channels
// legal io doesn't consider sidechain inputs
if (!LegalIO(reqNumInputChannels, reqNumOutputChannels))
{
return kResultFalse;
}
// handle input
AudioBus* bus = FCast<AudioBus>(audioInputs.at(0));
// if existing input bus has a different number of channels to the input bus being connected
if (bus && SpeakerArr::getChannelCount(bus->getArrangement()) != reqNumInputChannels)
{
audioInputs.remove(bus);
addAudioInput(USTRING("Input"), getSpeakerArrForChans(reqNumInputChannels));
}
// handle output
bus = FCast<AudioBus>(audioOutputs.at(0));
// if existing output bus has a different number of channels to the output bus being connected
if (bus && SpeakerArr::getChannelCount(bus->getArrangement()) != reqNumOutputChannels)
{
audioOutputs.remove(bus);
addAudioOutput(USTRING("Output"), getSpeakerArrForChans(reqNumOutputChannels));
}
if (!mScChans && numIns == 1) // No sidechain, every thing OK
{
return kResultTrue;
}
if (mScChans && numIns == 2) // numIns = num Input BUSes
{
int32 reqNumSideChainChannels = SpeakerArr::getChannelCount(inputs[1]); //requested # sidechain input channels
bus = FCast<AudioBus>(audioInputs.at(1));
if (bus && SpeakerArr::getChannelCount(bus->getArrangement()) != reqNumSideChainChannels)
{
audioInputs.remove(bus);
addAudioInput(USTRING("Sidechain Input"), getSpeakerArrForChans(reqNumSideChainChannels), kAux, 0); // either mono or stereo
}
return kResultTrue;
}
return kResultFalse;
}
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 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;
}
