+ { LV2_OPTIONS_INSTANCE, 0, _uri_map.uri_to_id("http://ardour.org/lv2/threads/#schedPolicy"),
+ sizeof(int32_t), atom_Int, &rt_policy },
+ { LV2_OPTIONS_INSTANCE, 0, _uri_map.uri_to_id("http://ardour.org/lv2/threads/#schedPriority"),
+ sizeof(int32_t), atom_Int, &rt_priority },