/// <summary>
        ///
        /// </summary>
        /// <param name="connectionId"></param>
        /// <param name="receiver"></param>
        public virtual void AddReceiver(string connectionId, IStreamReceiver receiver)
        {
            var transceiver = m_handler.AddTransceiver(connectionId, receiver.Kind, RTCRtpTransceiverDirection.RecvOnly);

            if (transceiver.Receiver != null)
            {
                receiver.SetReceiver(connectionId, transceiver.Receiver);
            }
        }
 /// <summary>
 ///
 /// </summary>
 /// <param name="connectionId"></param>
 /// <param name="receiver"></param>
 public virtual void RemoveReceiver(string connectionId, IStreamReceiver receiver)
 {
     //receiver.
     receiver.SetReceiver(connectionId, null);
 }