Implement IEditController::normalizedValueToPlain

src/common/logging/vst3.cpp

@@ -333,6 +333,17 @@ void Vst3Logger::log_request(
     });
 }
 
+void Vst3Logger::log_request(
+    bool is_host_vst,
+    const YaEditController2::NormalizedParamToPlain& request) {
+    log_request_base(is_host_vst, [&](auto& message) {
+        message << request.instance_id
+                << ": IEditController::normalizedParamToPlain(id = "
+                << request.id
+                << ", valueNormalized = " << request.value_normalized << ")";
+    });
+}
+
 void Vst3Logger::log_request(bool is_host_vst,
                              const YaPluginBase::Initialize& request) {
     log_request_base(is_host_vst, [&](auto& message) {

src/common/logging/vst3.h

@@ -90,6 +90,8 @@ class Vst3Logger {
                      const YaEditController2::GetParamStringByValue&);
     void log_request(bool is_host_vst,
                      const YaEditController2::GetParamValueByString&);
+    void log_request(bool is_host_vst,
+                     const YaEditController2::NormalizedParamToPlain&);
     void log_request(bool is_host_vst, const YaPluginBase::Initialize&);
     void log_request(bool is_host_vst, const YaPluginBase::Terminate&);
     void log_request(bool is_host_vst, const YaPluginFactory::Construct&);

src/common/serialization/vst3.h

@@ -81,6 +81,7 @@ using ControlRequest = std::variant<Vst3PluginProxy::Construct,
                                     YaEditController2::GetParameterInfo,
                                     YaEditController2::GetParamStringByValue,
                                     YaEditController2::GetParamValueByString,
+                                    YaEditController2::NormalizedParamToPlain,
                                     YaPluginBase::Initialize,
                                     YaPluginBase::Terminate,
                                     YaPluginFactory::Construct,

src/common/serialization/vst3/plugin/edit-controller.h

@@ -250,6 +250,28 @@ class YaEditController2 : public Steinberg::Vst::IEditController,
         Steinberg::Vst::ParamID id,
         Steinberg::Vst::TChar* string /*in*/,
         Steinberg::Vst::ParamValue& valueNormalized /*out*/) override = 0;
+
+    /**
+     * Message to pass through a call to
+     * `IEditController::normalizedParamToPlain(id, value_normalized)` to the
+     * Wine plugin host.
+     */
+    struct NormalizedParamToPlain {
+        using Response = PrimitiveWrapper<Steinberg::Vst::ParamValue>;
+
+        native_size_t instance_id;
+
+        Steinberg::Vst::ParamID id;
+        Steinberg::Vst::ParamValue value_normalized;
+
+        template <typename S>
+        void serialize(S& s) {
+            s.value8b(instance_id);
+            s.value4b(id);
+            s.value8b(value_normalized);
+        }
+    };
+
     virtual Steinberg::Vst::ParamValue PLUGIN_API normalizedParamToPlain(
         Steinberg::Vst::ParamID id,
         Steinberg::Vst::ParamValue valueNormalized) override = 0;