ardour { ["type"] = "Snippet", name = "Replace Plugin" } function factory () return function () route = Session:get_remote_nth_route(1) old = route:nth_plugin(0) new = ARDOUR.LuaAPI.new_plugin(Session, "http://gareus.org/oss/lv2/fil4#stereo", ARDOUR.PluginType.LV2, ""); route:replace_processor (old, new, nil) old = nil new = nil -- explicitly drop references (unless they're local vars) end end