Expose a new lua hook for resetting a plugin processor ( convenience func only: this avoids the necessity of an extra cast to PlugInsert )

3 files changed, 21 insertions, 0 deletions

diff --git a/libs/ardour/ardour/lua_api.h b/libs/ardour/ardour/lua_api.h
index f56a640ca1..c5ce0986ce 100644
--- a/libs/ardour/ardour/lua_api.h
+++ b/libs/ardour/ardour/lua_api.h
@@ -99,6 +99,15 @@ namespace ARDOUR { namespace LuaAPI {
 	 */
 	float get_processor_param (boost::shared_ptr<Processor> proc, uint32_t which, bool &ok);
 
+	/** reset a processor to its default values (only works for plugins )
+	 *
+	 * This is a wrapper which looks up the Processor by plugin-insert.
+	 *
+	 * @param proc Plugin-Insert
+	 * @returns true on success, false when the processor is not a plugin
+	 */
+	bool reset_processor_to_default (boost::shared_ptr<Processor> proc);
+
 	/** set a plugin control-input parameter value
 	 *
 	 * This is a wrapper around set_processor_param which looks up the Processor by plugin-insert.
diff --git a/libs/ardour/lua_api.cc b/libs/ardour/lua_api.cc
index 5af9a6c960..080ba12841 100644
--- a/libs/ardour/lua_api.cc
+++ b/libs/ardour/lua_api.cc
@@ -207,6 +207,17 @@ ARDOUR::LuaAPI::get_processor_param (boost::shared_ptr<Processor> proc, uint32_t
 	return get_plugin_insert_param (pi, which, ok);
 }
 
+bool
+ARDOUR::LuaAPI::reset_processor_to_default ( boost::shared_ptr<Processor> proc )
+{
+	boost::shared_ptr<PluginInsert> pi = boost::dynamic_pointer_cast<PluginInsert> (proc);
+	if (pi) {
+		pi->reset_parameters_to_default();
+		return true;
+	}
+	return false;
+}
+
 int
 ARDOUR::LuaAPI::plugin_automation (lua_State *L)
 {
diff --git a/libs/ardour/luabindings.cc b/libs/ardour/luabindings.cc
index 822cab4a55..bab4c06ffd 100644
--- a/libs/ardour/luabindings.cc
+++ b/libs/ardour/luabindings.cc
@@ -1888,6 +1888,7 @@ LuaBindings::common (lua_State* L)
 		.addFunction ("new_plugin", ARDOUR::LuaAPI::new_plugin)
 		.addFunction ("set_processor_param", ARDOUR::LuaAPI::set_processor_param)
 		.addFunction ("set_plugin_insert_param", ARDOUR::LuaAPI::set_plugin_insert_param)
+		.addFunction ("reset_processor_to_default", ARDOUR::LuaAPI::reset_processor_to_default)
 		.addRefFunction ("get_processor_param", ARDOUR::LuaAPI::get_processor_param)
 		.addRefFunction ("get_plugin_insert_param", ARDOUR::LuaAPI::get_plugin_insert_param)
 		.addCFunction ("plugin_automation", ARDOUR::LuaAPI::plugin_automation)