+ var_DelCallback( p_input_thread, "state", input_state_changed, p_mi );
+ var_DelCallback( p_input_thread, "seekable", input_state_changed, p_mi );
+ var_DelCallback( p_input_thread, "pausable", input_state_changed, p_mi );
+ var_DelCallback( p_input_thread, "intf-change", input_position_changed, p_mi );
+ var_DelCallback( p_input_thread, "intf-change", input_time_changed, p_mi );