Update processing stub for VST processor

plugins/vst/SfizzVstProcessor.cpp

@@ -13,6 +13,7 @@
 #include "plugin/SfizzFileScan.h"
 #include "plugin/InstrumentDescription.h"
 #include "base/source/fstreamer.h"
+#include "base/source/updatehandler.h"
 #include "pluginterfaces/vst/ivstevents.h"
 #include "pluginterfaces/vst/ivstparameterchanges.h"
 #include <ghc/fs_std.hpp>
@@ -74,6 +75,9 @@ tresult PLUGIN_API SfizzVstProcessor::initialize(FUnknown* context)
     if (result != kResultTrue)
         return result;
 
+    // initialize the update handler
+    Steinberg::UpdateHandler::instance();
+
     addAudioOutput(STR16("Audio Output"), Vst::SpeakerArr::kStereo);
     addEventInput(STR16("Event Input"), 1);
 
@@ -581,6 +585,20 @@ tresult PLUGIN_API SfizzVstProcessor::notify(Vst::IMessage* message)
     return result;
 }
 
+void PLUGIN_API SfizzVstProcessor::update(FUnknown* changedUnknown, int32 message)
+{
+    if (processUpdate(changedUnknown, message))
+        return;
+
+    AudioEffect::update(changedUnknown, message);
+}
+
+bool SfizzVstProcessor::processUpdate(FUnknown* changedUnknown, int32 message)
+{
+    // TODO
+    return false;
+}
+
 void SfizzVstProcessor::receiveMessage(int delay, const char* path, const char* sig, const sfizz_arg_t* args)
 {
     uint8_t* oscTemp = _oscTemp.get();

plugins/vst/SfizzVstProcessor.h

@@ -46,6 +46,7 @@ public:
     void processMessagesFromUi();
 
     tresult PLUGIN_API notify(Vst::IMessage* message) override;
+    void PLUGIN_API update(FUnknown* changedUnknown, int32 message) override;
 
     static FUnknown* createInstance(void*);
 
@@ -68,6 +69,9 @@ private:
     RMSFollower _rmsFollower;
     bool _editorIsOpen = false;
 
+    // updates
+    bool processUpdate(FUnknown* changedUnknown, int32 message);
+
     // client
     sfz::ClientPtr _client;
     std::unique_ptr<uint8_t[]> _oscTemp;