Rtsp.Messages.RtspRequestSetup.GetTransports C# (CSharp) Method

        public RtspTransport[] GetTransports()
        {
            if (!Headers.ContainsKey(RtspHeaderNames.Transport))
                return new RtspTransport[] { new RtspTransport() };

            string[] items = Headers[RtspHeaderNames.Transport].Split(',');
            return Array.ConvertAll<string, RtspTransport>(items,
                new Converter<string, RtspTransport>(RtspTransport.Parse));
        }

        /// <summary>
        /// Selects the transport based on the configuration of the system..
        /// </summary>
        /// <param name="requestSetup">The request setup message.</param>
        /// <returns>The selected transport</returns>
        /// <remarks>
        /// The transport is selected by taking the first supported transport
        /// in order of appearence.
        /// </remarks>
        private static RtspTransport SelectTransport(RtspRequestSetup requestSetup)
        {
            RtspTransport selectedTransport = null;
            const bool acceptTCP = false;
            const bool acceptUDPUnicast = true;
            const bool acceptUDPMulticast = true;

            foreach (RtspTransport proposedTransport in requestSetup.GetTransports())
            {
                if (acceptTCP && proposedTransport.LowerTransport == RtspTransport.LowerTransportType.TCP)
                {
                    selectedTransport = proposedTransport;
                    break;
                }
                if (acceptUDPMulticast && proposedTransport.LowerTransport == RtspTransport.LowerTransportType.UDP
                    && proposedTransport.IsMulticast)
                {
                    selectedTransport = proposedTransport;
                    break;
                }
                if (acceptUDPUnicast && proposedTransport.LowerTransport == RtspTransport.LowerTransportType.UDP
                    && !proposedTransport.IsMulticast)
                {
                    selectedTransport = proposedTransport;
                    break;
                }
            }
            return selectedTransport;
        }