Method InitializeInstance

src/effects/EffectUI.cpp:1039–1090

}

std::shared_ptr<EffectInstance> EffectUIHost::InitializeInstance()
{
   // We are still constructing and the return initializes a const member
   std::shared_ptr<EffectInstance> result;

   auto mpState = mwState.lock();

   bool priorState = (mpState != nullptr);
   if (!priorState) {
      auto gAudioIO = AudioIO::Get();
      mCapturing = gAudioIO->IsStreamActive() && gAudioIO->GetNumCaptureChannels() > 0 && !gAudioIO->IsMonitoring();
   }

   if (mSupportsRealtime && !mInitialized) {
      if (!priorState)
         mwState = mpState = mpTempProjectState =
            AudioIO::Get()->AddState(mProject, nullptr, GetID(mEffectUIHost));
      if (mpState) {
         // Find the right instance to connect to the dialog
         if (!result)
            result = mpState->GetInstance();

         mpAccess2 = mpState->GetAccess();
         if (!(mpAccess2->IsSameAs(*mpAccess)))
            // Decorate the given access object
            mpAccess = std::make_shared<EffectSettingsAccessTee>(
               *mpAccess, mpAccess2);

         mEffectStateSubscription = mpState->Subscribe([this](RealtimeEffectStateChange state) {
            mEnabled = (state == RealtimeEffectStateChange::EffectOn);
            UpdateControls();
         });
      }

      if (!priorState) {
         mAudioIOSubscription = AudioIO::Get()->Subscribe([this](AudioIOEvent event){
            switch (event.type) {
            case AudioIOEvent::CAPTURE:
               OnCapture(event); break;
            default:
               break;
            }
         });
      }

      mInitialized = true;
   }
   else
      result = EffectBase::FindInstance(mEffectUIHost).value_or(nullptr);

   return result;
}

void EffectUIHost::CleanupRealtime()
{