Implement IEditController::plainParamToNormalized

src/common/logging/vst3.cpp

@@ -344,6 +344,17 @@ void Vst3Logger::log_request(
     });
 }
 
+void Vst3Logger::log_request(
+    bool is_host_vst,
+    const YaEditController2::PlainParamToNormalized& request) {
+    log_request_base(is_host_vst, [&](auto& message) {
+        message << request.instance_id
+                << ": IEditController::plainParamToNormalized(id = "
+                << request.id << ", plainValue = " << request.plain_value
+                << ")";
+    });
+}
+
 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

@@ -92,6 +92,8 @@ class Vst3Logger {
                      const YaEditController2::GetParamValueByString&);
     void log_request(bool is_host_vst,
                      const YaEditController2::NormalizedParamToPlain&);
+    void log_request(bool is_host_vst,
+                     const YaEditController2::PlainParamToNormalized&);
     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

@@ -82,6 +82,7 @@ using ControlRequest = std::variant<Vst3PluginProxy::Construct,
                                     YaEditController2::GetParamStringByValue,
                                     YaEditController2::GetParamValueByString,
                                     YaEditController2::NormalizedParamToPlain,
+                                    YaEditController2::PlainParamToNormalized,
                                     YaPluginBase::Initialize,
                                     YaPluginBase::Terminate,
                                     YaPluginFactory::Construct,

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

@@ -275,6 +275,28 @@ class YaEditController2 : public Steinberg::Vst::IEditController,
     virtual Steinberg::Vst::ParamValue PLUGIN_API normalizedParamToPlain(
         Steinberg::Vst::ParamID id,
         Steinberg::Vst::ParamValue valueNormalized) override = 0;
+
+    /**
+     * Message to pass through a call to
+     * `IEditController::plainParamToNormalized(id, plain_value)` to the Wine
+     * plugin host.
+     */
+    struct PlainParamToNormalized {
+        using Response = PrimitiveWrapper<Steinberg::Vst::ParamValue>;
+
+        native_size_t instance_id;
+
+        Steinberg::Vst::ParamID id;
+        Steinberg::Vst::ParamValue plain_value;
+
+        template <typename S>
+        void serialize(S& s) {
+            s.value8b(instance_id);
+            s.value4b(id);
+            s.value8b(plain_value);
+        }
+    };
+
     virtual Steinberg::Vst::ParamValue PLUGIN_API
     plainParamToNormalized(Steinberg::Vst::ParamID id,
                            Steinberg::Vst::ParamValue plainValue) override = 0;