public RtspClientInternal(ConnectionParameters connectionParameters,
Func <IRtspTransportClient> transportClientProvider = null)
{
_connectionParameters =
connectionParameters ?? throw new ArgumentNullException(nameof(connectionParameters));
_transportClientProvider = transportClientProvider ?? CreateTransportClient;
Uri fixedRtspUri = connectionParameters.GetFixedRtspUri();
_requestMessageFactory = new RtspRequestMessageFactory(fixedRtspUri, connectionParameters.UserAgent);
}