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;

src/plugin/bridges/vst3-impls/plugin-proxy.cpp

@@ -276,9 +276,10 @@ Steinberg::Vst::ParamValue PLUGIN_API
 Vst3PluginProxyImpl::normalizedParamToPlain(
     Steinberg::Vst::ParamID id,
     Steinberg::Vst::ParamValue valueNormalized) {
-    // TODO: Implement
-    bridge.logger.log("TODO IEditController::normalizedParamToPlain()");
-    return Steinberg::kNotImplemented;
+    return bridge.send_message(YaEditController2::NormalizedParamToPlain{
+        .instance_id = instance_id(),
+        .id = id,
+        .value_normalized = valueNormalized});
 }
 
 Steinberg::Vst::ParamValue PLUGIN_API
@@ -339,10 +340,10 @@ tresult PLUGIN_API Vst3PluginProxyImpl::openAboutBox(TBool onlyCheck) {
 }
 
 tresult PLUGIN_API Vst3PluginProxyImpl::initialize(FUnknown* context) {
-    // This `context` will likely be an `IHostApplication`. If it is, we will
-    // store it here, and we'll proxy through all calls to it made from the Wine
-    // side. Otherwise we'll still call `IPluginBase::initialize()` but with a
-    // null pointer instead.
+    // This `context` will likely be an `IHostApplication`. If it is, we
+    // will store it here, and we'll proxy through all calls to it made from
+    // the Wine side. Otherwise we'll still call `IPluginBase::initialize()`
+    // but with a null pointer instead.
     host_application_context = context;
 
     std::optional<YaHostApplication::ConstructArgs>

src/wine-host/bridges/vst3.cpp

@@ -281,7 +281,7 @@ void Vst3Bridge::run() {
                 return YaEditController2::GetParameterInfoResponse{
                     .result = result, .updated_info = request.info};
             },
-            [&](YaEditController2::GetParamStringByValue& request)
+            [&](const YaEditController2::GetParamStringByValue& request)
                 -> YaEditController2::GetParamStringByValue::Response {
                 Steinberg::Vst::String128 string{0};
                 const tresult result =
@@ -293,7 +293,7 @@ void Vst3Bridge::run() {
                     .result = result,
                     .string = tchar_pointer_to_u16string(string)};
             },
-            [&](YaEditController2::GetParamValueByString& request)
+            [&](const YaEditController2::GetParamValueByString& request)
                 -> YaEditController2::GetParamValueByString::Response {
                 Steinberg::Vst::ParamValue value_normalized;
                 const tresult result =
@@ -308,6 +308,11 @@ void Vst3Bridge::run() {
                 return YaEditController2::GetParamValueByStringResponse{
                     .result = result, .value_normalized = value_normalized};
             },
+            [&](const YaEditController2::NormalizedParamToPlain& request) {
+                return object_instances[request.instance_id]
+                    .edit_controller->normalizedParamToPlain(
+                        request.id, request.value_normalized);
+            },
             [&](YaPluginBase::Initialize& request)
                 -> YaPluginBase::Initialize::Response {
                 // If we got passed a host context, we'll create a proxy object