Don't use out-of-process LV2 UIs on Windows, not working yet

source/backend/engine/CarlaEngineData.cpp

@@ -192,7 +192,11 @@ EngineOptions::EngineOptions() noexcept
 #endif
       forceStereo(false),
       preferPluginBridges(false),
+#ifdef CARLA_OS_WIN
+      preferUiBridges(false),
+#else
       preferUiBridges(true),
+#endif
       uisAlwaysOnTop(true),
       maxParameters(MAX_DEFAULT_PARAMETERS),
       uiBridgesTimeout(4000),

source/carla_settings.py

@@ -248,6 +248,12 @@ class CarlaSettingsW(QDialog):
             if self.host.processMode == ENGINE_PROCESS_MODE_CONTINUOUS_RACK:
                 self.ui.ch_engine_force_stereo.setEnabled(False)
 
+        # FIXME, pipes on win32 not working
+        if WINDOWS:
+            self.ui.ch_engine_prefer_ui_bridges.setChecked(False)
+            self.ui.ch_engine_prefer_ui_bridges.setEnabled(False)
+            self.ui.ch_engine_prefer_ui_bridges.setVisible(False)
+
         # FIXME, not implemented yet
         self.ui.ch_engine_uis_always_on_top.hide()
 

source/carla_shared.py

@@ -248,7 +248,7 @@ CARLA_DEFAULT_CANVAS_HQ_ANTIALIASING   = False
 # Engine
 CARLA_DEFAULT_FORCE_STEREO          = False
 CARLA_DEFAULT_PREFER_PLUGIN_BRIDGES = False
-CARLA_DEFAULT_PREFER_UI_BRIDGES     = True
+CARLA_DEFAULT_PREFER_UI_BRIDGES     = bool(not WINDOWS)
 CARLA_DEFAULT_UIS_ALWAYS_ON_TOP     = False
 CARLA_DEFAULT_MAX_PARAMETERS        = MAX_DEFAULT_PARAMETERS
 CARLA_DEFAULT_UI_BRIDGES_TIMEOUT    = 4000