public static extern unsafe MMAL_STATUS_T mmal_util_get_core_port_stats(MMAL_PORT_T *port, MMAL_CORE_STATS_DIR dir, int reset, ref MMAL_CORE_STATISTICS_T stats);
public MMAL_CORE_PORT_STATISTICS_T(MMAL_CORE_STATISTICS_T rx, MMAL_CORE_STATISTICS_T tx) { this.rx = rx; this.tx = tx; }