Make lv2-export an experimental option, needs to be enabled first

resources/ui/carla_settings.ui

@@ -1501,6 +1501,13 @@
               </property>
              </widget>
             </item>
+            <item>
+             <widget class="QCheckBox" name="ch_exp_export_lv2">
+              <property name="text">
+               <string>Export single plugins to LV2</string>
+              </property>
+             </widget>
+            </item>
             <item>
              <widget class="QCheckBox" name="ch_exp_load_lib_global">
               <property name="text">

source/carla_backend.py

@@ -1233,6 +1233,7 @@ class CarlaHostMeta(object):
 
         # settings
         self.experimental        = False
+        self.exportLV2           = False
         self.forceStereo         = False
         self.manageUIs           = False
         self.maxParameters       = 0

source/carla_host.py

@@ -2486,6 +2486,11 @@ def loadHostSettings(host):
     except:
         host.experimental = CARLA_DEFAULT_MAIN_EXPERIMENTAL
 
+    try:
+        host.exportLV2 = settings.value(CARLA_KEY_EXPERIMENTAL_EXPORT_LV2, CARLA_DEFAULT_EXPERIMENTAL_LV2_EXPORT, type=bool)
+    except:
+        host.exportLV2 = CARLA_DEFAULT_EXPERIMENTAL_LV2_EXPORT
+
     try:
         host.manageUIs = settings.value(CARLA_KEY_ENGINE_MANAGE_UIS, CARLA_DEFAULT_MANAGE_UIS, type=bool)
     except:

source/carla_settings.py

@@ -414,6 +414,7 @@ class CarlaSettingsW(QDialog):
         self.ui.sb_engine_ui_bridges_timeout.setValue(self.host.uiBridgesTimeout)
         self.ui.ch_engine_force_stereo.setChecked(self.host.forceStereo or not self.ui.ch_engine_force_stereo.isEnabled())
         self.ui.ch_engine_prefer_plugin_bridges.setChecked(self.host.preferPluginBridges)
+        self.ui.ch_exp_export_lv2.setChecked(self.host.exportLV2)
 
         # ----------------------------------------------------------------------------------------------------
         # Paths
@@ -479,6 +480,9 @@ class CarlaSettingsW(QDialog):
                                                            CARLA_DEFAULT_EXPERIMENTAL_JACK_APPS,
                                                            type=bool))
 
+        self.ui.ch_exp_export_lv2.setChecked(settings.value(CARLA_KEY_EXPERIMENTAL_EXPORT_LV2,
+                                                            CARLA_DEFAULT_EXPERIMENTAL_LV2_EXPORT,
+                                                            type=bool))
 
         self.ui.ch_exp_load_lib_global.setChecked(settings.value(CARLA_KEY_EXPERIMENTAL_LOAD_LIB_GLOBAL,
                                                                  CARLA_DEFAULT_EXPERIMENTAL_LOAD_LIB_GLOBAL,
@@ -547,6 +551,7 @@ class CarlaSettingsW(QDialog):
 
             settings.setValue(CARLA_KEY_ENGINE_PROCESS_MODE, self.host.nextProcessMode)
 
+        self.host.exportLV2           = self.ui.ch_exp_export_lv2.isChecked()
         self.host.forceStereo         = self.ui.ch_engine_force_stereo.isChecked()
         self.host.maxParameters       = self.ui.sb_engine_max_params.value()
         self.host.manageUIs           = self.ui.ch_engine_manage_uis.isChecked()
@@ -575,6 +580,7 @@ class CarlaSettingsW(QDialog):
         settings.setValue(CARLA_KEY_ENGINE_PREFER_UI_BRIDGES,     self.host.preferUIBridges)
         settings.setValue(CARLA_KEY_ENGINE_UI_BRIDGES_TIMEOUT,    self.host.uiBridgesTimeout)
         settings.setValue(CARLA_KEY_ENGINE_UIS_ALWAYS_ON_TOP,     self.host.uisAlwaysOnTop)
+        settings.setValue(CARLA_KEY_EXPERIMENTAL_EXPORT_LV2,      self.host.exportLV2)
 
         # ----------------------------------------------------------------------------------------------------
         # Paths
@@ -774,6 +780,7 @@ class CarlaSettingsW(QDialog):
         # Forever experimental
         self.ui.cb_exp_plugin_bridges.setChecked(CARLA_DEFAULT_EXPERIMENTAL_PLUGIN_BRIDGES)
         self.ui.ch_exp_jack_apps.setChecked(CARLA_DEFAULT_EXPERIMENTAL_JACK_APPS)
+        self.ui.ch_exp_export_lv2.setChecked(CARLA_DEFAULT_EXPERIMENTAL_LV2_EXPORT)
         self.ui.ch_exp_load_lib_global.setChecked(CARLA_DEFAULT_EXPERIMENTAL_LOAD_LIB_GLOBAL)
         self.ui.ch_exp_prevent_bad_behaviour.setChecked(CARLA_DEFAULT_EXPERIMENTAL_PREVENT_BAD_BEHAVIOUR)
 

source/carla_shared.py

@@ -229,6 +229,7 @@ CARLA_KEY_PATHS_SFZ    = "Paths/SFZ"
 
 CARLA_KEY_EXPERIMENTAL_PLUGIN_BRIDGES        = "Experimental/PluginBridges"       # bool
 CARLA_KEY_EXPERIMENTAL_JACK_APPS             = "Experimental/JackApplications"    # bool
+CARLA_KEY_EXPERIMENTAL_EXPORT_LV2            = "Experimental/ExportLV2"           # bool
 CARLA_KEY_EXPERIMENTAL_PREVENT_BAD_BEHAVIOUR = "Experimental/PreventBadBehaviour" # bool
 CARLA_KEY_EXPERIMENTAL_LOAD_LIB_GLOBAL       = "Experimental/LoadLibGlobal"       # bool
 
@@ -290,6 +291,7 @@ else:
 
 CARLA_DEFAULT_EXPERIMENTAL_PLUGIN_BRIDGES        = False
 CARLA_DEFAULT_EXPERIMENTAL_JACK_APPS             = False
+CARLA_DEFAULT_EXPERIMENTAL_LV2_EXPORT            = False
 CARLA_DEFAULT_EXPERIMENTAL_PREVENT_BAD_BEHAVIOUR = False
 CARLA_DEFAULT_EXPERIMENTAL_LOAD_LIB_GLOBAL       = False
 

source/carla_skin.py

@@ -1040,9 +1040,12 @@ class AbstractPluginSlot(QFrame, PluginEditParentMeta):
         if self.fIdleTimerId != 0:
             actRemove.setVisible(False)
 
-        menu.addSeparator()
+        if self.host.exportLV2:
+            menu.addSeparator()
+            actExportLV2 = menu.addAction(self.tr("Export LV2..."))
 
-        actExportLV2 = menu.addAction(self.tr("Export LV2..."))
+        else:
+            actExportLV2 = None
 
         # -------------------------------------------------------------
         # exec