ev = vce_get_event_from_index (&vcm->event_thread, reg->ev_idx);
ecr = vce_get_event_data (ev, sizeof (*ecr));
VCL_EVENTS_UNLOCK ();
ev = vce_get_event_from_index (&vcm->event_thread, reg->ev_idx);
ecr = vce_get_event_data (ev, sizeof (*ecr));
VCL_EVENTS_UNLOCK ();