gst_controller_remove_properties
gst_controller_remove_properties_list
gst_controller_remove_properties_valist
+gst_controller_is_active
gst_controller_set_disabled
gst_controller_set_property_disabled
gst_controller_suggest_next_sync
gst_object_uncontrol_properties
gst_object_suggest_next_sync
gst_object_sync_values
+gst_object_has_active_automation
gst_object_set_automation_disabled
gst_object_set_property_automation_disabled
gst_object_get_control_source