Implement IUnitInfo::getProgramPitchName

src/common/logging/vst3.cpp

@@ -492,6 +492,17 @@ bool Vst3Logger::log_request(bool is_host_vst,
     });
 }
 
+bool Vst3Logger::log_request(bool is_host_vst,
+                             const YaUnitInfo::GetProgramPitchName& request) {
+    return log_request_base(is_host_vst, [&](auto& message) {
+        message << request.instance_id
+                << ": IUnitInfo::getProgramPitchName(listId = "
+                << request.list_id
+                << ", programIndex = " << request.program_index
+                << ", midiPitch = " << request.midi_pitch << ", &name)";
+    });
+}
+
 bool Vst3Logger::log_request(
     bool is_host_vst,
     const YaAudioProcessor::SetBusArrangements& request) {
@@ -938,6 +949,18 @@ void Vst3Logger::log_response(
     });
 }
 
+void Vst3Logger::log_response(
+    bool is_host_vst,
+    const YaUnitInfo::GetProgramPitchNameResponse& response) {
+    log_response_base(is_host_vst, [&](auto& message) {
+        message << response.result.string();
+        if (response.result == Steinberg::kResultOk) {
+            message << ", \"" << VST3::StringConvert::convert(response.name)
+                    << "\"";
+        }
+    });
+}
+
 void Vst3Logger::log_response(
     bool is_host_vst,
     const YaAudioProcessor::GetBusArrangementResponse& response) {

src/common/logging/vst3.h

@@ -115,6 +115,7 @@ class Vst3Logger {
     bool log_request(bool is_host_vst, const YaUnitInfo::GetProgramName&);
     bool log_request(bool is_host_vst, const YaUnitInfo::GetProgramInfo&);
     bool log_request(bool is_host_vst, const YaUnitInfo::HasProgramPitchNames&);
+    bool log_request(bool is_host_vst, const YaUnitInfo::GetProgramPitchName&);
 
     bool log_request(bool is_host_vst,
                      const YaAudioProcessor::SetBusArrangements&);
@@ -175,6 +176,8 @@ class Vst3Logger {
                       const YaUnitInfo::GetProgramNameResponse&);
     void log_response(bool is_host_vst,
                       const YaUnitInfo::GetProgramInfoResponse&);
+    void log_response(bool is_host_vst,
+                      const YaUnitInfo::GetProgramPitchNameResponse&);
 
     void log_response(bool is_host_vst,
                       const YaAudioProcessor::GetBusArrangementResponse&);

src/common/serialization/vst3.h

@@ -106,7 +106,8 @@ using ControlRequest = std::variant<Vst3PlugViewProxy::Destruct,
                                     YaUnitInfo::GetProgramListInfo,
                                     YaUnitInfo::GetProgramName,
                                     YaUnitInfo::GetProgramInfo,
-                                    YaUnitInfo::HasProgramPitchNames>;
+                                    YaUnitInfo::HasProgramPitchNames,
+                                    YaUnitInfo::GetProgramPitchName>;
 
 template <typename S>
 void serialize(S& s, ControlRequest& payload) {

src/common/serialization/vst3/plugin/unit-info.h

@@ -212,7 +212,7 @@ class YaUnitInfo : public Steinberg::Vst::IUnitInfo {
                    Steinberg::Vst::String128 name /*out*/) override = 0;
 
     /**
-     * The response code and returned name for a call to
+     * The response code and returned value for a call to
      * `IUnitInfo::getPrograminfo(list_id, program_index, attribute_name,
      * &attribute_value)`.
      */
@@ -279,6 +279,46 @@ class YaUnitInfo : public Steinberg::Vst::IUnitInfo {
     virtual tresult PLUGIN_API
     hasProgramPitchNames(Steinberg::Vst::ProgramListID listId,
                          int32 programIndex) override = 0;
+
+    /**
+     * The response code and returned name for a call to
+     * `IUnitInfo::getProgramPitchName(list_id, program_index, midi_pitch,
+     * &name)`.
+     */
+    struct GetProgramPitchNameResponse {
+        UniversalTResult result;
+        std::u16string name;
+
+        template <typename S>
+        void serialize(S& s) {
+            s.object(result);
+            s.text2b(name, std::extent_v<Steinberg::Vst::String128>);
+        }
+    };
+
+    /**
+     * Message to pass through a call to
+     * `IUnitInfo::getProgramPitchName(list_id, program_index, midi_pitch,
+     * &name)` to the Wine plugin host.
+     */
+    struct GetProgramPitchName {
+        using Response = GetProgramPitchNameResponse;
+
+        native_size_t instance_id;
+
+        Steinberg::Vst::ProgramListID list_id;
+        int32 program_index;
+        int16 midi_pitch;
+
+        template <typename S>
+        void serialize(S& s) {
+            s.value8b(instance_id);
+            s.value4b(list_id);
+            s.value4b(program_index);
+            s.value2b(midi_pitch);
+        }
+    };
+
     virtual tresult PLUGIN_API
     getProgramPitchName(Steinberg::Vst::ProgramListID listId,
                         int32 programIndex,