feat: add RoutingFeedbackManager

RoutingFeedbackManager keeps track of updates from IRoutingSinkWotjFeedbacl devoces & IRoutingWithFeedback devices to allow for walking tieLines and finding a source.

src/PepperDash.Essentials.Core/Devices/DeviceJsonApi.cs

@@ -5,6 +5,7 @@ using System.Collections;
 using System.Collections.Generic;
 using System.Linq;
 using System.Text;
+using System.Threading.Tasks;
 using Crestron.SimplSharp;
 using Crestron.SimplSharp.Reflection;
 using Newtonsoft.Json;
@@ -82,7 +83,8 @@ namespace PepperDash.Essentials.Core
                 var convertedParams = mParams
                                     .Select((p, i) => ConvertType(action.Params[i], p.ParameterType))
                                     .ToArray();
-                method.Invoke(obj, convertedParams);
+
+                Task.Run(() => method.Invoke(obj, convertedParams));                
 
 		        CrestronConsole.ConsoleCommandResponse("Method {0} successfully called on device {1}", method.Name,
 		            action.DeviceKey);

src/PepperDash.Essentials.Core/Devices/PC/Laptop.cs

@@ -70,7 +70,7 @@ namespace PepperDash.Essentials.Core.Devices
     {
         public LaptopFactory()
         {
-            TypeNames = new List<string>() { "laptop" };
+            TypeNames = new List<string>() { "deprecated" };
         }
 
         public override EssentialsDevice BuildDevice(DeviceConfig dc)

src/PepperDash.Essentials.Core/Devices/SourceListItem.cs

@@ -144,22 +144,43 @@ namespace PepperDash.Essentials.Core
         [JsonProperty("isAudioSource")]
         public bool IsAudioSource { get; set; }
 
+        /// <summary>
+        /// Hide source on UI when Avanced Sharing is enabled
+        /// </summary>
+        [JsonProperty("disableAdvancedRouting")]
+        public bool DisableAdvancedRouting { get; set; }
+
+        /// <summary>
+        /// Hide source on UI when Simpl Sharing is enabled
+        /// </summary>
+        [JsonProperty("disableSimpleRouting")]
+        public bool DisableSimpleRouting { get; set; }
+
 		public SourceListItem()
 		{
 			Icon = "Blank";
 		}
 
-        
-	}
+        public override string ToString()
+        {
+            return $"{SourceKey}:{Name}";
+        }
+    }
 
 	public class SourceRouteListItem
 	{
 		[JsonProperty("sourceKey")]
 		public string SourceKey { get; set; }
 
+        [JsonProperty("sourcePortKey")]
+        public string SourcePortKey { get; set; }
+
 		[JsonProperty("destinationKey")]
 		public string DestinationKey { get; set; }
 
+        [JsonProperty("destinationPortKey")]
+        public string DestinationPortKey { get; set; }
+
 		[JsonProperty("type")]
 		public eRoutingSignalType Type { get; set; }
 	}

src/PepperDash.Essentials.Core/Display/DisplayBase.cs

@@ -1,25 +1,24 @@
 
 
-using System;
-using System.Collections.Generic;
-using System.Linq;
 using Crestron.SimplSharp;
 using Crestron.SimplSharpPro.DeviceSupport;
-using Crestron.SimplSharpPro.DM;
-using Crestron.SimplSharpPro.DM.Endpoints;
-using Crestron.SimplSharpPro.DM.Endpoints.Transmitters;
 using Newtonsoft.Json;
 using PepperDash.Core;
 using PepperDash.Essentials.Core.Bridges;
+using PepperDash.Essentials.Core.Routing;
 using Serilog.Events;
+using System;
+using System.Collections.Generic;
+using System.Linq;
 
 
 namespace PepperDash.Essentials.Core
 {
-	[Obsolete("Please use PepperDash.Essentials.Devices.Common, this will be removed in 2.1")]
+    [Obsolete("Please use PepperDash.Essentials.Devices.Common, this will be removed in 2.1")]
     public abstract class DisplayBase : EssentialsDevice, IHasFeedback, IRoutingSinkWithSwitching, IHasPowerControl, IWarmingCooling, IUsageTracking
 	{
         public event SourceInfoChangeHandler CurrentSourceChange;
+        public event InputChangedEventHandler InputChanged;
 
         public string CurrentSourceInfoKey { get; set; }
         public SourceListItem CurrentSourceInfo
@@ -96,7 +95,9 @@ namespace PepperDash.Essentials.Core
 			}
 		}
 
-	    public abstract void ExecuteSwitch(object selector);
+        public RoutingInputPort CurrentInputPort => throw new NotImplementedException();
+
+        public abstract void ExecuteSwitch(object selector);
 
 	    protected void LinkDisplayToApi(DisplayBase displayDevice, BasicTriList trilist, uint joinStart, string joinMapKey,
 	        EiscApiAdvanced bridge)

src/PepperDash.Essentials.Core/Fusion/EssentialsHuddleSpaceFusionSystemControllerBase.cs

@@ -1,9 +1,5 @@
 
 
-using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Text;
 using Crestron.SimplSharp;
 using Crestron.SimplSharp.CrestronIO;
 using Crestron.SimplSharp.CrestronXml;
@@ -13,7 +9,12 @@ using Crestron.SimplSharpPro.Fusion;
 using Newtonsoft.Json;
 using PepperDash.Core;
 using PepperDash.Essentials.Core.Config;
+using PepperDash.Essentials.Core.Routing;
 using Serilog.Events;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
 
 namespace PepperDash.Essentials.Core.Fusion
 {

src/PepperDash.Essentials.Core/PepperDash.Essentials.Core.csproj

@@ -21,6 +21,10 @@
   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' ">
     <DebugType>pdbonly</DebugType>
   </PropertyGroup>
+  <ItemGroup>
+    <Compile Remove="Routing\GenericExtensions.cs" />
+    <Compile Remove="Routing\IRoutingSinkWithFeedback.cs" />
+  </ItemGroup>
   <ItemGroup>
     <PackageReference Include="Crestron.SimplSharp.SDK.ProgramLibrary" Version="2.20.42" />
     <PackageReference Include="PepperDashCore" Version="2.0.0-alpha-402" />

src/PepperDash.Essentials.Core/Room/Interfaces.cs

@@ -5,6 +5,7 @@ using System.Text;
 using Crestron.SimplSharp;
 
 using PepperDash.Core;
+using PepperDash.Essentials.Core.Routing;
 
 
 namespace PepperDash.Essentials.Core
@@ -40,7 +41,7 @@ namespace PepperDash.Essentials.Core
     {
         void RunRouteAction(string routeKey, string sourceListKey);
 
-        void RunRouteAction(string routeKey, string sourceListKey, Action successCallback);
+        void RunRouteAction(string routeKey, string sourceListKey, Action successCallback);        
     }
 
     /// <summary>

src/PepperDash.Essentials.Core/Routing/DummyRoutingInputsDevice.cs

@@ -8,7 +8,7 @@ using PepperDash.Core;
 
 namespace PepperDash.Essentials.Core.Routing
 {
-	public class DummyRoutingInputsDevice : Device, IRoutingSource
+	public class DummyRoutingInputsDevice : Device, IRoutingSource, IRoutingOutputs
 	{
 		/// <summary>
 		/// A single output port, backplane, audioVideo

src/PepperDash.Essentials.Core/Routing/Extensions.cs

@@ -0,0 +1,251 @@
+using PepperDash.Core;
+using Serilog.Events;
+using System.Collections.Generic;
+using System.Linq;
+
+
+namespace PepperDash.Essentials.Core
+{
+
+    /// <summary>
+    /// Extensions added to any IRoutingInputs classes to provide discovery-based routing
+    /// on those destinations.
+    /// </summary>
+    public static class Extensions
+	{
+        private static readonly Dictionary<string, RouteRequest> RouteRequests = new Dictionary<string, RouteRequest>();
+		/// <summary>
+		/// Gets any existing RouteDescriptor for a destination, clears it using ReleaseRoute
+		/// and then attempts a new Route and if sucessful, stores that RouteDescriptor
+		/// in RouteDescriptorCollection.DefaultCollection
+		/// </summary>
+		public static void ReleaseAndMakeRoute(this IRoutingSink destination, IRoutingOutputs source, eRoutingSignalType signalType)
+		{
+            var routeRequest = new RouteRequest { 
+                        Destination = destination,
+                        Source = source,
+                        SignalType = signalType
+                    };
+
+            var coolingDevice = destination as IWarmingCooling;
+
+
+            //We already have a route request for this device, and it's a cooling device and is cooling
+            if (RouteRequests.TryGetValue(destination.Key, out RouteRequest existingRouteRequest) && coolingDevice != null && coolingDevice.IsCoolingDownFeedback.BoolValue == true)
+            {
+                coolingDevice.IsCoolingDownFeedback.OutputChange -= existingRouteRequest.HandleCooldown;
+
+                coolingDevice.IsCoolingDownFeedback.OutputChange += routeRequest.HandleCooldown;
+
+                RouteRequests[destination.Key] = routeRequest;
+
+                Debug.LogMessage(LogEventLevel.Verbose, "Device: {0} is cooling down and already has a routing request stored.  Storing new route request to route to source key: {1}", null, destination.Key, routeRequest.Source.Key);
+
+                return;
+            }
+
+            //New Request
+            if (coolingDevice != null && coolingDevice.IsCoolingDownFeedback.BoolValue == true)
+            {
+                coolingDevice.IsCoolingDownFeedback.OutputChange -= routeRequest.HandleCooldown;
+
+                coolingDevice.IsCoolingDownFeedback.OutputChange += routeRequest.HandleCooldown;
+
+                RouteRequests.Add(destination.Key, routeRequest);
+
+                Debug.LogMessage(LogEventLevel.Verbose, "Device: {0} is cooling down.  Storing route request to route to source key: {1}", null, destination.Key, routeRequest.Source.Key);
+                return;
+            }
+
+            if (RouteRequests.ContainsKey(destination.Key) && coolingDevice != null && coolingDevice.IsCoolingDownFeedback.BoolValue == false)
+            {
+                RouteRequests.Remove(destination.Key);
+                Debug.LogMessage(LogEventLevel.Verbose, "Device: {0} is NOT cooling down.  Removing stored route request and routing to source key: {1}", null, destination.Key, routeRequest.Source.Key);
+            }
+
+            destination.ReleaseRoute();
+
+			RunRouteRequest(routeRequest);
+		}
+
+        private static void RunRouteRequest(RouteRequest request)
+        {
+            if (request.Source == null)
+                return;
+            
+            var newRoute = request.Destination.GetRouteToSource(request.Source, request.SignalType);
+
+            if (newRoute == null)
+                return;
+
+            RouteDescriptorCollection.DefaultCollection.AddRouteDescriptor(newRoute);
+
+            Debug.LogMessage(LogEventLevel.Verbose, "Executing full route", request.Destination);
+
+            newRoute.ExecuteRoutes();
+        }
+
+		/// <summary>
+		/// Will release the existing route on the destination, if it is found in 
+		/// RouteDescriptorCollection.DefaultCollection
+		/// </summary>
+		/// <param name="destination"></param>
+        public static void ReleaseRoute(this IRoutingSink destination)
+		{
+
+            if (RouteRequests.TryGetValue(destination.Key, out RouteRequest existingRequest) && destination is IWarmingCooling)
+            {
+                var coolingDevice = destination as IWarmingCooling;
+
+                coolingDevice.IsCoolingDownFeedback.OutputChange -= existingRequest.HandleCooldown;
+            }
+
+            RouteRequests.Remove(destination.Key);
+
+			var current = RouteDescriptorCollection.DefaultCollection.RemoveRouteDescriptor(destination);
+			if (current != null)
+			{
+				Debug.LogMessage(LogEventLevel.Debug, "Releasing current route: {0}", destination, current.Source.Key);
+				current.ReleaseRoutes();
+			}
+		}
+
+		/// <summary>
+		/// Builds a RouteDescriptor that contains the steps necessary to make a route between devices.  
+		/// Routes of type AudioVideo will be built as two separate routes, audio and video. If
+		/// a route is discovered, a new RouteDescriptor is returned.  If one or both parts
+		/// of an audio/video route are discovered a route descriptor is returned.  If no route is 
+		/// discovered, then null is returned
+		/// </summary>
+        public static RouteDescriptor GetRouteToSource(this IRoutingSink destination, IRoutingOutputs source, eRoutingSignalType signalType)
+		{
+			var routeDescriptor = new RouteDescriptor(source, destination, signalType);
+
+			// if it's a single signal type, find the route
+			if (!signalType.HasFlag(eRoutingSignalType.AudioVideo))
+			{
+				Debug.LogMessage(LogEventLevel.Debug, "Attempting to build source route from {0}", null, source.Key);
+
+				if (!destination.GetRouteToSource(source, null, null, signalType, 0, routeDescriptor))
+					routeDescriptor = null;
+
+                return routeDescriptor;
+			}
+			// otherwise, audioVideo needs to be handled as two steps.
+			
+			Debug.LogMessage(LogEventLevel.Debug, "Attempting to build audio and video routes from {0}", destination, source.Key);
+
+			var audioSuccess = destination.GetRouteToSource(source, null, null, eRoutingSignalType.Audio, 0, routeDescriptor);
+
+			if (!audioSuccess)
+				Debug.LogMessage(LogEventLevel.Debug, "Cannot find audio route to {0}", destination, source.Key);
+
+			var videoSuccess = destination.GetRouteToSource(source, null, null, eRoutingSignalType.Video, 0, routeDescriptor);
+
+			if (!videoSuccess)
+				Debug.LogMessage(LogEventLevel.Debug, "Cannot find video route to {0}", destination, source.Key);
+
+			if (!audioSuccess && !videoSuccess)
+				routeDescriptor = null;
+			
+            
+			return routeDescriptor;
+		}
+
+		/// <summary>
+		/// The recursive part of this.  Will stop on each device, search its inputs for the 
+		/// desired source and if not found, invoke this function for the each input port
+		/// hoping to find the source.
+		/// </summary>
+		/// <param name="destination"></param>
+		/// <param name="source"></param>
+		/// <param name="outputPortToUse">The RoutingOutputPort whose link is being checked for a route</param>
+		/// <param name="alreadyCheckedDevices">Prevents Devices from being twice-checked</param>
+		/// <param name="signalType">This recursive function should not be called with AudioVideo</param>
+		/// <param name="cycle">Just an informational counter</param>
+		/// <param name="routeTable">The RouteDescriptor being populated as the route is discovered</param>
+		/// <returns>true if source is hit</returns>
+		static bool GetRouteToSource(this IRoutingInputs destination, IRoutingOutputs source,
+			RoutingOutputPort outputPortToUse, List<IRoutingInputsOutputs> alreadyCheckedDevices, 
+				eRoutingSignalType signalType, int cycle, RouteDescriptor routeTable)
+		{
+			cycle++;
+
+			Debug.LogMessage(LogEventLevel.Verbose, "GetRouteToSource: {0} {1}--> {2}", null, cycle, source.Key, destination.Key);
+
+			RoutingInputPort goodInputPort = null;
+
+			var destinationTieLines = TieLineCollection.Default.Where(t =>
+                t.DestinationPort.ParentDevice == destination && (t.Type == signalType || t.Type.HasFlag(eRoutingSignalType.AudioVideo)));
+
+			// find a direct tie
+			var directTie = destinationTieLines.FirstOrDefault(
+				t => t.DestinationPort.ParentDevice == destination 
+					&& t.SourcePort.ParentDevice == source);
+			if (directTie != null) // Found a tie directly to the source
+			{
+				goodInputPort = directTie.DestinationPort;
+			}
+			else // no direct-connect.  Walk back devices.
+			{
+				Debug.LogMessage(LogEventLevel.Verbose, "is not directly connected to {0}. Walking down tie lines", destination, source.Key);
+
+				// No direct tie? Run back out on the inputs' attached devices... 
+				// Only the ones that are routing devices
+				var attachedMidpoints = destinationTieLines.Where(t => t.SourcePort.ParentDevice is IRoutingInputsOutputs);
+
+                //Create a list for tracking already checked devices to avoid loops, if it doesn't already exist from previous iteration
+                if (alreadyCheckedDevices == null)
+                    alreadyCheckedDevices = new List<IRoutingInputsOutputs>();
+                alreadyCheckedDevices.Add(destination as IRoutingInputsOutputs);
+
+				foreach (var inputTieToTry in attachedMidpoints)
+				{
+					var upstreamDeviceOutputPort = inputTieToTry.SourcePort;
+					var upstreamRoutingDevice = upstreamDeviceOutputPort.ParentDevice as IRoutingInputsOutputs;
+                    Debug.LogMessage(LogEventLevel.Verbose,  "Trying to find route on {0}", destination, upstreamRoutingDevice.Key);
+
+					// Check if this previous device has already been walked
+                    if (alreadyCheckedDevices.Contains(upstreamRoutingDevice))
+                    {
+                        Debug.LogMessage(LogEventLevel.Verbose, "Skipping input {0} on {1}, this was already checked", destination, upstreamRoutingDevice.Key, destination.Key);
+                        continue;
+                    }
+                    // haven't seen this device yet.  Do it.  Pass the output port to the next
+                    // level to enable switching on success
+                    var upstreamRoutingSuccess = upstreamRoutingDevice.GetRouteToSource(source, upstreamDeviceOutputPort,
+                        alreadyCheckedDevices, signalType, cycle, routeTable);
+                    if (upstreamRoutingSuccess)
+                    {
+                        Debug.LogMessage(LogEventLevel.Verbose, "Upstream device route found", destination);
+                        goodInputPort = inputTieToTry.DestinationPort;
+                        break; // Stop looping the inputs in this cycle
+                    }
+				}
+			}
+
+			
+			if (goodInputPort == null) 
+			{
+                Debug.LogMessage(LogEventLevel.Verbose, "No route found to {0}", destination, source.Key);
+                return false;
+			}
+
+            // we have a route on corresponding inputPort. *** Do the route ***
+
+            if (outputPortToUse == null)
+            {
+                // it's a sink device
+                routeTable.Routes.Add(new RouteSwitchDescriptor(goodInputPort));
+            }
+            else if (destination is IRouting)
+            {
+                routeTable.Routes.Add(new RouteSwitchDescriptor(outputPortToUse, goodInputPort));
+            }
+            else // device is merely IRoutingInputOutputs
+                Debug.LogMessage(LogEventLevel.Verbose, "No routing. Passthrough device", destination);
+            
+            return true;
+        }
+	}	
+}

src/PepperDash.Essentials.Core/Routing/GenericExtensions.cs

@@ -0,0 +1,261 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using Crestron.SimplSharp;
+using Crestron.SimplSharpPro;
+using Crestron.SimplSharpPro.DM;
+
+using PepperDash.Core;
+using Serilog.Events;
+
+
+namespace PepperDash.Essentials.Core
+{
+
+    /// <summary>
+    /// Extensions added to any IRoutingInputs classes to provide discovery-based routing
+    /// on those destinations.
+    /// </summary>
+    public static class GenericExtensions
+	{
+        //private static readonly Dictionary<string, RouteRequest<TInputSelector, TOutputSelector>> RouteRequests = new();
+
+		/// <summary>
+		/// Gets any existing RouteDescriptor for a destination, clears it using ReleaseRoute
+		/// and then attempts a new Route and if sucessful, stores that RouteDescriptor
+		/// in RouteDescriptorCollection.DefaultCollection
+		/// </summary>
+		public static void ReleaseAndMakeRoute<TInputSelector, TOutputSelector>(this IRoutingSink<TInputSelector> destination, IRoutingOutputs<TOutputSelector> source, eRoutingSignalType signalType)
+		{
+            var routeRequest = new RouteRequest<TInputSelector, TOutputSelector> { 
+                        Destination = destination,
+                        Source = source,
+                        SignalType = signalType
+                    };
+
+            var coolingDevice = destination as IWarmingCooling;
+            var existingRouteRequest = destination.GetRouteRequest<TOutputSelector>();
+
+            //We already have a route request for this device, and it's a cooling device and is cooling
+            if (existingRouteRequest != null && coolingDevice != null && coolingDevice.IsCoolingDownFeedback.BoolValue == true)
+            {
+                coolingDevice.IsCoolingDownFeedback.OutputChange -= existingRouteRequest.HandleCooldown;
+
+                coolingDevice.IsCoolingDownFeedback.OutputChange += routeRequest.HandleCooldown;
+
+                destination.UpdateRouteRequest(routeRequest);
+
+                Debug.LogMessage(LogEventLevel.Verbose, "Device: {0} is cooling down and already has a routing request stored.  Storing new route request to route to source key: {1}", null, destination.Key, routeRequest.Source.Key);
+
+                return;
+            }
+
+            //New Request
+            if (coolingDevice != null && coolingDevice.IsCoolingDownFeedback.BoolValue == true)
+            {
+                coolingDevice.IsCoolingDownFeedback.OutputChange -= routeRequest.HandleCooldown;
+
+                coolingDevice.IsCoolingDownFeedback.OutputChange += routeRequest.HandleCooldown;
+
+                destination.UpdateRouteRequest(routeRequest);
+
+                Debug.LogMessage(LogEventLevel.Verbose, "Device: {0} is cooling down.  Storing route request to route to source key: {1}", null, destination.Key, routeRequest.Source.Key);
+                return;
+            }
+
+            if (existingRouteRequest != null && coolingDevice != null && coolingDevice.IsCoolingDownFeedback.BoolValue == false)
+            {
+                destination.UpdateRouteRequest<TOutputSelector>(null);
+
+                Debug.LogMessage(LogEventLevel.Verbose, "Device: {0} is NOT cooling down.  Removing stored route request and routing to source key: {1}", null, destination.Key, routeRequest.Source.Key);
+            }
+
+            destination.ReleaseRoute();
+
+			RunRouteRequest(routeRequest);
+		}
+
+        public static void RunRouteRequest<TInputSelector, TOutputSelector>(RouteRequest<TInputSelector, TOutputSelector> request)
+        {
+            if (request.Source == null)
+                return;
+            
+            var newRoute = request.Destination.GetRouteToSource(request.Source, request.SignalType);
+
+            if (newRoute == null)
+                return;
+
+            RouteDescriptorCollection.DefaultCollection.AddRouteDescriptor(newRoute);
+
+            Debug.LogMessage(LogEventLevel.Verbose, "Executing full route", request.Destination);
+
+            newRoute.ExecuteRoutes();
+        }
+
+		/// <summary>
+		/// Will release the existing route on the destination, if it is found in 
+		/// RouteDescriptorCollection.DefaultCollection
+		/// </summary>
+		/// <param name="destination"></param>
+        public static void ReleaseRoute<TInputSelector, TOutputSelector>(this IRoutingSink<TInputSelector> destination)
+		{
+            var existingRouteRequest = destination.GetRouteRequest<TOutputSelector>();
+
+            if (existingRouteRequest != null && destination is IWarmingCooling)
+            {
+                var coolingDevice = destination as IWarmingCooling;
+
+                coolingDevice.IsCoolingDownFeedback.OutputChange -= existingRouteRequest.HandleCooldown;
+            }
+
+            destination.UpdateRouteRequest<TOutputSelector>(null);
+
+			var current = RouteDescriptorCollection<TInputSelector, TOutputSelector>.DefaultCollection.RemoveRouteDescriptor(destination);
+			if (current != null)
+			{
+				Debug.LogMessage(LogEventLevel.Debug, "Releasing current route: {0}", destination, current.Source.Key);
+				current.ReleaseRoutes();
+			}
+		}
+
+		/// <summary>
+		/// Builds a RouteDescriptor that contains the steps necessary to make a route between devices.  
+		/// Routes of type AudioVideo will be built as two separate routes, audio and video. If
+		/// a route is discovered, a new RouteDescriptor is returned.  If one or both parts
+		/// of an audio/video route are discovered a route descriptor is returned.  If no route is 
+		/// discovered, then null is returned
+		/// </summary>
+        public static RouteDescriptor<TInputSelector, TOutputSelector> GetRouteToSource<TInputSelector, TOutputSelector>(this IRoutingSink<TInputSelector> destination, IRoutingOutputs<TOutputSelector> source, eRoutingSignalType signalType)
+		{
+			var routeDescriptor = new RouteDescriptor<TInputSelector, TOutputSelector>(source, destination, signalType);
+
+			// if it's a single signal type, find the route
+			if (!signalType.HasFlag(eRoutingSignalType.AudioVideo))
+			{
+				Debug.LogMessage(LogEventLevel.Debug, "Attempting to build source route from {0}", null, source.Key);
+
+				if (!destination.GetRouteToSource(source, null, null, signalType, 0, routeDescriptor))
+					routeDescriptor = null;
+
+                return routeDescriptor;
+			}
+			// otherwise, audioVideo needs to be handled as two steps.
+			
+			Debug.LogMessage(LogEventLevel.Debug, "Attempting to build audio and video routes from {0}", destination, source.Key);
+
+			var audioSuccess = destination.GetRouteToSource(source, null, null, eRoutingSignalType.Audio, 0, routeDescriptor);
+
+			if (!audioSuccess)
+				Debug.LogMessage(LogEventLevel.Debug, "Cannot find audio route to {0}", destination, source.Key);
+
+			var videoSuccess = destination.GetRouteToSource(source, null, null, eRoutingSignalType.Video, 0, routeDescriptor);
+
+			if (!videoSuccess)
+				Debug.LogMessage(LogEventLevel.Debug, "Cannot find video route to {0}", destination, source.Key);
+
+			if (!audioSuccess && !videoSuccess)
+				routeDescriptor = null;
+			
+            
+			return routeDescriptor;
+		}
+
+		/// <summary>
+		/// The recursive part of this.  Will stop on each device, search its inputs for the 
+		/// desired source and if not found, invoke this function for the each input port
+		/// hoping to find the source.
+		/// </summary>
+		/// <param name="destination"></param>
+		/// <param name="source"></param>
+		/// <param name="outputPortToUse">The RoutingOutputPort whose link is being checked for a route</param>
+		/// <param name="alreadyCheckedDevices">Prevents Devices from being twice-checked</param>
+		/// <param name="signalType">This recursive function should not be called with AudioVideo</param>
+		/// <param name="cycle">Just an informational counter</param>
+		/// <param name="routeTable">The RouteDescriptor being populated as the route is discovered</param>
+		/// <returns>true if source is hit</returns>
+		static bool GetRouteToSource<TInputSelector, TOutputSelector>(this IRoutingInputs<TInputSelector> destination, IRoutingOutputs<TOutputSelector> source,
+			RoutingOutputPort<TOutputSelector> outputPortToUse, List<IRoutingInputsOutputs<TInputSelector, TOutputSelector>> alreadyCheckedDevices, 
+				eRoutingSignalType signalType, int cycle, RouteDescriptor<TInputSelector, TOutputSelector> routeTable)
+		{
+
+			cycle++;
+
+			Debug.LogMessage(LogEventLevel.Verbose, "GetRouteToSource: {0} {1}--> {2}", null, cycle, source.Key, destination.Key);
+
+			RoutingInputPort<TInputSelector> goodInputPort = null;
+
+			var destDevInputTies = TieLineCollection.Default.Where(t =>
+                t.DestinationPort.ParentDevice == destination && (t.Type == signalType || t.Type.HasFlag(eRoutingSignalType.AudioVideo)));
+
+			// find a direct tie
+			var directTie = destDevInputTies.FirstOrDefault(
+				t => t.DestinationPort.ParentDevice == destination 
+					&& t.SourcePort.ParentDevice == source);
+			if (directTie != null) // Found a tie directly to the source
+			{
+				goodInputPort = directTie.DestinationPort;
+			}
+			else // no direct-connect.  Walk back devices.
+			{
+				Debug.LogMessage(LogEventLevel.Verbose, "is not directly connected to {0}. Walking down tie lines", destination, source.Key);
+
+				// No direct tie? Run back out on the inputs' attached devices... 
+				// Only the ones that are routing devices
+				var attachedMidpoints = destDevInputTies.Where(t => t.SourcePort.ParentDevice is IRoutingInputsOutputs);
+
+                //Create a list for tracking already checked devices to avoid loops, if it doesn't already exist from previous iteration
+                if (alreadyCheckedDevices == null)
+                    alreadyCheckedDevices = new List<IRoutingInputsOutputs<TInputSelector, TOutputSelector>>();
+                alreadyCheckedDevices.Add(destination as IRoutingInputsOutputs<TInputSelector, TOutputSelector>);
+
+				foreach (var inputTieToTry in attachedMidpoints)
+				{
+					var upstreamDeviceOutputPort = inputTieToTry.SourcePort;
+					var upstreamRoutingDevice = upstreamDeviceOutputPort.ParentDevice as IRoutingInputsOutputs<TInputSelector, TOutputSelector>;
+                    Debug.LogMessage(LogEventLevel.Verbose,  "Trying to find route on {0}", destination, upstreamRoutingDevice.Key);
+
+					// Check if this previous device has already been walked
+                    if (alreadyCheckedDevices.Contains(upstreamRoutingDevice))
+                    {
+                        Debug.LogMessage(LogEventLevel.Verbose, "Skipping input {0} on {1}, this was already checked", destination, upstreamRoutingDevice.Key, destination.Key);
+                        continue;
+                    }
+                    // haven't seen this device yet.  Do it.  Pass the output port to the next
+                    // level to enable switching on success
+                    var upstreamRoutingSuccess = upstreamRoutingDevice.GetRouteToSource(source, upstreamDeviceOutputPort,
+                        alreadyCheckedDevices, signalType, cycle, routeTable);
+                    if (upstreamRoutingSuccess)
+                    {
+                        Debug.LogMessage(LogEventLevel.Verbose, "Upstream device route found", destination);
+                        goodInputPort = inputTieToTry.DestinationPort;
+                        break; // Stop looping the inputs in this cycle
+                    }
+				}
+			}
+
+			
+			if (goodInputPort == null) 
+			{
+                Debug.LogMessage(LogEventLevel.Verbose, "No route found to {0}", destination, source.Key);
+                return false;
+			}
+
+            // we have a route on corresponding inputPort. *** Do the route ***
+
+            if (outputPortToUse == null)
+            {
+                // it's a sink device
+                routeTable.Routes.Add(new RouteSwitchDescriptor<TInputSelector, TOutputSelector>(goodInputPort));
+            }
+            else if (destination is IRouting)
+            {
+                routeTable.Routes.Add(new RouteSwitchDescriptor<TInputSelector, TOutputSelector>(outputPortToUse, goodInputPort));
+            }
+            else // device is merely IRoutingInputOutputs
+                Debug.LogMessage(LogEventLevel.Verbose, "No routing. Passthrough device", destination);
+            
+            return true;
+        }
+	}	
+}

src/PepperDash.Essentials.Core/Routing/IHasCurrentSourceInfoChange.cs

@@ -0,0 +1,30 @@
+/* Unmerged change from project 'PepperDash.Essentials.Core (net6)'
+Before:
+namespace PepperDash.Essentials.Core.Routing.Interfaces
+After:
+using PepperDash;
+using PepperDash.Essentials;
+using PepperDash.Essentials.Core;
+using PepperDash.Essentials.Core.Routing;
+using PepperDash.Essentials.Core.Routing;
+using PepperDash.Essentials.Core.Routing.Interfaces
+*/
+namespace PepperDash.Essentials.Core.Routing
+{
+    /// <summary>
+    /// The handler type for a Room's SourceInfoChange
+    /// </summary>
+    public delegate void SourceInfoChangeHandler(SourceListItem info, ChangeType type);
+    //*******************************************************************************************
+    // Interfaces
+
+    /// <summary>
+    /// For rooms with a single presentation source, change event
+    /// </summary>
+    public interface IHasCurrentSourceInfoChange
+    {
+        string CurrentSourceInfoKey { get; set; }
+        SourceListItem CurrentSourceInfo { get; set; }
+        event SourceInfoChangeHandler CurrentSourceChange;
+    }
+}

src/PepperDash.Essentials.Core/Routing/IInputSync.cs

@@ -7,7 +7,7 @@ using System.Threading.Tasks;
 
 namespace PepperDash.Essentials.Core.Routing
 {
-    public interface IVideoSync: IKeyed
+    public interface IVideoSync : IKeyed
     {
         bool VideoSyncDetected { get; }
 

src/PepperDash.Essentials.Core/Routing/IRmcRouting.cs

@@ -0,0 +1,10 @@
+namespace PepperDash.Essentials.Core.Routing
+{
+    /// <summary>
+    /// Defines a receiver that has internal routing (DM-RMC-4K-Z-SCALER-C)
+    /// </summary>
+    public interface IRmcRouting : IRoutingNumeric
+    {
+        IntFeedback AudioVideoSourceNumericFeedback { get; }
+    }
+}

src/PepperDash.Essentials.Core/Routing/IRmcRoutingWithFeedback.cs

@@ -0,0 +1,11 @@
+using PepperDash.Essentials.Core.Routing;
+
+namespace PepperDash.Essentials.Core
+{
+    /// <summary>
+    /// Defines an IRmcRouting with a feedback event 
+    /// </summary>
+    public interface IRmcRoutingWithFeedback : IRmcRouting
+    {
+    }
+}

src/PepperDash.Essentials.Core/Routing/IRouting.cs

@@ -0,0 +1,21 @@
+using System;
+using System.Collections.Generic;
+
+namespace PepperDash.Essentials.Core
+{
+    /// <summary>
+    /// Defines a midpoint device as have internal routing.  Any devices in the middle of the
+    /// signal chain, that do switching, must implement this for routing to work otherwise
+    /// the routing algorithm will treat the IRoutingInputsOutputs device as a passthrough
+    /// device.
+    /// </summary>
+    public interface IRouting : IRoutingInputsOutputs
+	{
+		void ExecuteSwitch(object inputSelector, object outputSelector, eRoutingSignalType signalType);        
+    }    
+
+    /*public interface IRouting<TInputSelector,TOutputSelector> : IRoutingInputsOutputs
+    {
+        void ExecuteSwitch(TInputSelector inputSelector, TOutputSelector outputSelector, eRoutingSignalType signalType);
+    }*/
+}

src/PepperDash.Essentials.Core/Routing/IRoutingFeedback.cs

@@ -0,0 +1,16 @@
+using System;
+
+using PepperDash.Core;
+
+
+namespace PepperDash.Essentials.Core
+{
+    /// <summary>
+    /// Defines an event structure for reporting output route data
+    /// </summary>
+    public interface IRoutingFeedback : IKeyName
+    {
+        event EventHandler<RoutingNumericEventArgs> NumericSwitchChange;
+        //void OnSwitchChange(RoutingNumericEventArgs e);
+    }
+}

src/PepperDash.Essentials.Core/Routing/IRoutingHasVideoInputSyncFeedbacks.cs

@@ -0,0 +1,19 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using Crestron.SimplSharp;
+using Crestron.SimplSharpPro;
+using Crestron.SimplSharpPro.DM;
+
+using PepperDash.Core;
+
+
+namespace PepperDash.Essentials.Core
+{
+
+	public interface IRoutingHasVideoInputSyncFeedbacks
+	{
+		FeedbackCollection<BoolFeedback> VideoInputSyncFeedbacks { get; }
+	}	
+}

src/PepperDash.Essentials.Core/Routing/IRoutingInputs.cs

@@ -0,0 +1,18 @@
+using PepperDash.Core;
+
+
+namespace PepperDash.Essentials.Core
+{
+    /// <summary>
+    /// Defines a class that has a collection of RoutingInputPorts
+    /// </summary>
+    public interface IRoutingInputs : IKeyed
+	{
+		RoutingPortCollection<RoutingInputPort> InputPorts { get; }
+	}
+
+/*    public interface IRoutingInputs<TSelector> : IKeyed
+    {
+        RoutingPortCollection<RoutingInputPort<TSelector>, TSelector> InputPorts { get; }
+    }*/
+}

src/PepperDash.Essentials.Core/Routing/IRoutingInputsExtensions.cs

@@ -1,426 +0,0 @@
-using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Text;
-using Crestron.SimplSharp;
-using Crestron.SimplSharpPro;
-using Crestron.SimplSharpPro.DM;
-
-using PepperDash.Core;
-using Serilog.Events;
-
-
-namespace PepperDash.Essentials.Core
-{
-    public class RouteRequest
-    {
-        public IRoutingSink Destination {get; set;}
-        public IRoutingOutputs Source {get; set;}
-        public eRoutingSignalType SignalType {get; set;}
-
-        public void HandleCooldown(object sender, FeedbackEventArgs args)
-        {
-            var coolingDevice = sender as IWarmingCooling;
-            
-            if(args.BoolValue == false)
-            {
-                Destination.ReleaseAndMakeRoute(Source, SignalType);
-                
-                if(sender == null) return;
-
-                coolingDevice.IsCoolingDownFeedback.OutputChange -= HandleCooldown;
-            }
-        }
-    }
-
-	/// <summary>
-	/// Extensions added to any IRoutingInputs classes to provide discovery-based routing
-	/// on those destinations.
-	/// </summary>
-	public static class IRoutingInputsExtensions
-	{
-        private static Dictionary<string, RouteRequest> RouteRequests = new Dictionary<string, RouteRequest>();
-		/// <summary>
-		/// Gets any existing RouteDescriptor for a destination, clears it using ReleaseRoute
-		/// and then attempts a new Route and if sucessful, stores that RouteDescriptor
-		/// in RouteDescriptorCollection.DefaultCollection
-		/// </summary>
-		public static void ReleaseAndMakeRoute(this IRoutingSink destination, IRoutingOutputs source, eRoutingSignalType signalType)
-		{
-            var routeRequest = new RouteRequest { 
-                        Destination = destination,
-                        Source = source,
-                        SignalType = signalType
-                    };
-
-            var coolingDevice = destination as IWarmingCooling;
-
-            RouteRequest existingRouteRequest;
-
-            //We already have a route request for this device, and it's a cooling device and is cooling
-            if (RouteRequests.TryGetValue(destination.Key, out existingRouteRequest) && coolingDevice != null && coolingDevice.IsCoolingDownFeedback.BoolValue == true)
-            {     
-                coolingDevice.IsCoolingDownFeedback.OutputChange -= existingRouteRequest.HandleCooldown;
-
-                coolingDevice.IsCoolingDownFeedback.OutputChange += routeRequest.HandleCooldown;
-
-                RouteRequests[destination.Key] = routeRequest;
-
-                Debug.LogMessage(LogEventLevel.Verbose, "******************************************************** Device: {0} is cooling down and already has a routing request stored.  Storing new route request to route to source key: {1}", destination.Key, routeRequest.Source.Key);
-
-                return;
-            }            
-            
-            //New Request
-            if (coolingDevice != null && coolingDevice.IsCoolingDownFeedback.BoolValue == true)
-            {
-                coolingDevice.IsCoolingDownFeedback.OutputChange -= routeRequest.HandleCooldown;
-
-                coolingDevice.IsCoolingDownFeedback.OutputChange += routeRequest.HandleCooldown;
-
-                RouteRequests.Add(destination.Key, routeRequest);
-
-                Debug.LogMessage(LogEventLevel.Verbose, "******************************************************** Device: {0} is cooling down.  Storing route request to route to source key: {1}", destination.Key, routeRequest.Source.Key);
-                return;
-            }
-
-            if (RouteRequests.ContainsKey(destination.Key) && coolingDevice != null && coolingDevice.IsCoolingDownFeedback.BoolValue == false)
-            {
-                RouteRequests.Remove(destination.Key);
-                Debug.LogMessage(LogEventLevel.Verbose, "******************************************************** Device: {0} is NOT cooling down.  Removing stored route request and routing to source key: {1}", destination.Key, routeRequest.Source.Key);
-            }
-
-            destination.ReleaseRoute();
-
-			RunRouteRequest(routeRequest);
-		}
-
-        public static void RunRouteRequest(RouteRequest request)
-        {
-            if (request.Source == null) return;
-            var newRoute = request.Destination.GetRouteToSource(request.Source, request.SignalType);
-            if (newRoute == null) return;
-            RouteDescriptorCollection.DefaultCollection.AddRouteDescriptor(newRoute);
-            Debug.LogMessage(LogEventLevel.Verbose, request.Destination, "Executing full route");
-            newRoute.ExecuteRoutes();
-        }
-
-		/// <summary>
-		/// Will release the existing route on the destination, if it is found in 
-		/// RouteDescriptorCollection.DefaultCollection
-		/// </summary>
-		/// <param name="destination"></param>
-        public static void ReleaseRoute(this IRoutingSink destination)
-		{
-            RouteRequest existingRequest;
-
-            if (RouteRequests.TryGetValue(destination.Key, out existingRequest) && destination is IWarmingCooling)
-            {
-                var coolingDevice = destination as IWarmingCooling;
-
-                coolingDevice.IsCoolingDownFeedback.OutputChange -= existingRequest.HandleCooldown;
-            }
-
-            RouteRequests.Remove(destination.Key);
-
-			var current = RouteDescriptorCollection.DefaultCollection.RemoveRouteDescriptor(destination);
-			if (current != null)
-			{
-				Debug.LogMessage(LogEventLevel.Debug, destination, "Releasing current route: {0}", current.Source.Key);
-				current.ReleaseRoutes();
-			}
-		}
-
-		/// <summary>
-		/// Builds a RouteDescriptor that contains the steps necessary to make a route between devices.  
-		/// Routes of type AudioVideo will be built as two separate routes, audio and video. If
-		/// a route is discovered, a new RouteDescriptor is returned.  If one or both parts
-		/// of an audio/video route are discovered a route descriptor is returned.  If no route is 
-		/// discovered, then null is returned
-		/// </summary>
-        public static RouteDescriptor GetRouteToSource(this IRoutingSink destination, IRoutingOutputs source, eRoutingSignalType signalType)
-		{
-			var routeDescr = new RouteDescriptor(source, destination, signalType);
-			// if it's a single signal type, find the route
-			if ((signalType & (eRoutingSignalType.Audio & eRoutingSignalType.Video)) == (eRoutingSignalType.Audio & eRoutingSignalType.Video))
-			{
-				Debug.LogMessage(LogEventLevel.Debug, destination, "Attempting to build source route from {0}", source.Key);
-				if (!destination.GetRouteToSource(source, null, null, signalType, 0, routeDescr))
-					routeDescr = null;
-			}
-			// otherwise, audioVideo needs to be handled as two steps.
-			else
-			{
-				Debug.LogMessage(LogEventLevel.Debug, destination, "Attempting to build audio and video routes from {0}", source.Key);
-				var audioSuccess = destination.GetRouteToSource(source, null, null, eRoutingSignalType.Audio, 0, routeDescr);
-				if (!audioSuccess)
-					Debug.LogMessage(LogEventLevel.Debug, destination, "Cannot find audio route to {0}", source.Key);
-				var videoSuccess = destination.GetRouteToSource(source, null, null, eRoutingSignalType.Video, 0, routeDescr);
-				if (!videoSuccess)
-					Debug.LogMessage(LogEventLevel.Debug, destination, "Cannot find video route to {0}", source.Key);
-				if (!audioSuccess && !videoSuccess)
-					routeDescr = null;
-			}
-
-            //Debug.LogMessage(LogEventLevel.Debug, destination, "Route{0} discovered", routeDescr == null ? " NOT" : "");
-			return routeDescr;
-		}
-
-		/// <summary>
-		/// The recursive part of this.  Will stop on each device, search its inputs for the 
-		/// desired source and if not found, invoke this function for the each input port
-		/// hoping to find the source.
-		/// </summary>
-		/// <param name="destination"></param>
-		/// <param name="source"></param>
-		/// <param name="outputPortToUse">The RoutingOutputPort whose link is being checked for a route</param>
-		/// <param name="alreadyCheckedDevices">Prevents Devices from being twice-checked</param>
-		/// <param name="signalType">This recursive function should not be called with AudioVideo</param>
-		/// <param name="cycle">Just an informational counter</param>
-		/// <param name="routeTable">The RouteDescriptor being populated as the route is discovered</param>
-		/// <returns>true if source is hit</returns>
-		static bool GetRouteToSource(this IRoutingInputs destination, IRoutingOutputs source,
-			RoutingOutputPort outputPortToUse, List<IRoutingInputsOutputs> alreadyCheckedDevices, 
-				eRoutingSignalType signalType, int cycle, RouteDescriptor routeTable)
-		{
-			cycle++;
-			Debug.LogMessage(LogEventLevel.Verbose, "GetRouteToSource: {0} {1}--> {2}", cycle, source.Key, destination.Key);
-
-			RoutingInputPort goodInputPort = null;
-			var destDevInputTies = TieLineCollection.Default.Where(t =>
-                t.DestinationPort.ParentDevice == destination && (t.Type == signalType || (t.Type & (eRoutingSignalType.Audio | eRoutingSignalType.Video)) == (eRoutingSignalType.Audio | eRoutingSignalType.Video)));
-
-			// find a direct tie
-			var directTie = destDevInputTies.FirstOrDefault(
-				t => t.DestinationPort.ParentDevice == destination 
-					&& t.SourcePort.ParentDevice == source);
-			if (directTie != null) // Found a tie directly to the source
-			{
-				goodInputPort = directTie.DestinationPort;
-			}
-			else // no direct-connect.  Walk back devices.
-			{
-				Debug.LogMessage(LogEventLevel.Verbose, destination, "is not directly connected to {0}. Walking down tie lines", source.Key);
-
-				// No direct tie? Run back out on the inputs' attached devices... 
-				// Only the ones that are routing devices
-				var attachedMidpoints = destDevInputTies.Where(t => t.SourcePort.ParentDevice is IRoutingInputsOutputs);
-
-                //Create a list for tracking already checked devices to avoid loops, if it doesn't already exist from previous iteration
-                if (alreadyCheckedDevices == null)
-                    alreadyCheckedDevices = new List<IRoutingInputsOutputs>();
-                alreadyCheckedDevices.Add(destination as IRoutingInputsOutputs);
-
-				foreach (var inputTieToTry in attachedMidpoints)
-				{
-					var upstreamDeviceOutputPort = inputTieToTry.SourcePort;
-					var upstreamRoutingDevice = upstreamDeviceOutputPort.ParentDevice as IRoutingInputsOutputs;
-                    Debug.LogMessage(LogEventLevel.Verbose, destination, "Trying to find route on {0}", upstreamRoutingDevice.Key);
-
-					// Check if this previous device has already been walked
-                    if (alreadyCheckedDevices.Contains(upstreamRoutingDevice))
-                    {
-                        Debug.LogMessage(LogEventLevel.Verbose, destination, "Skipping input {0} on {1}, this was already checked", upstreamRoutingDevice.Key, destination.Key);
-                        continue;
-                    }
-                    // haven't seen this device yet.  Do it.  Pass the output port to the next
-                    // level to enable switching on success
-                    var upstreamRoutingSuccess = upstreamRoutingDevice.GetRouteToSource(source, upstreamDeviceOutputPort,
-                        alreadyCheckedDevices, signalType, cycle, routeTable);
-                    if (upstreamRoutingSuccess)
-                    {
-                        Debug.LogMessage(LogEventLevel.Verbose, destination, "Upstream device route found");
-                        goodInputPort = inputTieToTry.DestinationPort;
-                        break; // Stop looping the inputs in this cycle
-                    }
-				}
-			}
-
-			// we have a route on corresponding inputPort. *** Do the route ***
-			if (goodInputPort != null) 
-			{
-                //Debug.LogMessage(LogEventLevel.Verbose, destination, "adding RouteDescriptor");
-				if (outputPortToUse == null)
-				{
-					// it's a sink device
-                        routeTable.Routes.Add(new RouteSwitchDescriptor(goodInputPort));
-				}
-				else if (destination is IRouting)
-				{
-					routeTable.Routes.Add(new RouteSwitchDescriptor (outputPortToUse, goodInputPort));
-				}
-				else // device is merely IRoutingInputOutputs
-					Debug.LogMessage(LogEventLevel.Verbose, destination, "    No routing. Passthrough device");
-                //Debug.LogMessage(LogEventLevel.Verbose, destination, "Exiting cycle {0}", cycle);
-				return true;
-			}
-
-			Debug.LogMessage(LogEventLevel.Verbose, destination, "No route found to {0}", source.Key);
-			return false;
-		}
-	}
-
-
-
-
-
-	// MOVE MOVE MOVE MOVE MOVE MOVE MOVE  MOVE MOVE MOVE MOVE MOVE MOVE MOVE  MOVE MOVE MOVE MOVE MOVE MOVE MOVE 
-
-
-	/// <summary>
-	/// A collection of RouteDescriptors - typically the static DefaultCollection is used
-	/// </summary>
-	public class RouteDescriptorCollection
-	{
-		public static RouteDescriptorCollection DefaultCollection
-		{
-			get
-			{
-				if (_DefaultCollection == null)
-					_DefaultCollection = new RouteDescriptorCollection();
-				return _DefaultCollection;
-			}
-		}
-		static RouteDescriptorCollection _DefaultCollection;
-
-		List<RouteDescriptor> RouteDescriptors = new List<RouteDescriptor>();
-
-		/// <summary>
-		/// Adds a RouteDescriptor to the list.  If an existing RouteDescriptor for the
-		/// destination exists already, it will not be added - in order to preserve
-		/// proper route releasing.
-		/// </summary>
-		/// <param name="descriptor"></param>
-		public void AddRouteDescriptor(RouteDescriptor descriptor)
-		{
-			if (RouteDescriptors.Any(t => t.Destination == descriptor.Destination))
-			{
-				Debug.LogMessage(LogEventLevel.Debug, descriptor.Destination, 
-					"Route to [{0}] already exists in global routes table", descriptor.Source.Key);
-				return;
-			}
-			RouteDescriptors.Add(descriptor);
-		}
-
-		/// <summary>
-		/// Gets the RouteDescriptor for a destination
-		/// </summary>
-		/// <returns>null if no RouteDescriptor for a destination exists</returns>
-		public RouteDescriptor GetRouteDescriptorForDestination(IRoutingInputs destination)
-		{
-			return RouteDescriptors.FirstOrDefault(rd => rd.Destination == destination);
-		}
-
-		/// <summary>
-		/// Returns the RouteDescriptor for a given destination AND removes it from collection.
-		/// Returns null if no route with the provided destination exists.
-		/// </summary>
-		public RouteDescriptor RemoveRouteDescriptor(IRoutingInputs destination)
-		{
-			var descr = GetRouteDescriptorForDestination(destination);
-			if (descr != null)
-				RouteDescriptors.Remove(descr);
-			return descr;
-		}
-	}
-
-	/// <summary>
-	/// Represents an collection of individual route steps between Source and Destination
-	/// </summary>
-	public class RouteDescriptor
-	{
-		public IRoutingInputs Destination { get; private set; }
-		public IRoutingOutputs Source { get; private set; }
-		public eRoutingSignalType SignalType { get; private set; }
-		public List<RouteSwitchDescriptor> Routes { get; private set; }
-
-
-		public RouteDescriptor(IRoutingOutputs source, IRoutingInputs destination, eRoutingSignalType signalType)
-		{
-			Destination = destination;
-			Source = source;
-			SignalType = signalType;
-			Routes = new List<RouteSwitchDescriptor>();
-		}
-
-		/// <summary>
-		/// Executes all routes described in this collection.  Typically called via
-		/// extension method IRoutingInputs.ReleaseAndMakeRoute()
-		/// </summary>
-		public void ExecuteRoutes()
-		{
-			foreach (var route in Routes)
-			{
-				Debug.LogMessage(LogEventLevel.Verbose, "ExecuteRoutes: {0}", route.ToString());
-                if (route.SwitchingDevice is IRoutingSink)
-                {
-                    var device = route.SwitchingDevice as IRoutingSinkWithSwitching;
-                    if (device == null)
-                        continue;
-
-                    device.ExecuteSwitch(route.InputPort.Selector);
-                }
-                else if (route.SwitchingDevice is IRouting)
-                {
-                    (route.SwitchingDevice as IRouting).ExecuteSwitch(route.InputPort.Selector, route.OutputPort.Selector, SignalType);
-                    route.OutputPort.InUseTracker.AddUser(Destination, "destination-" + SignalType);
-                    Debug.LogMessage(LogEventLevel.Verbose, "Output port {0} routing. Count={1}", route.OutputPort.Key, route.OutputPort.InUseTracker.InUseCountFeedback.UShortValue);
-                }
-			}
-		}
-
-		/// <summary>
-		/// Releases all routes in this collection. Typically called via
-		/// extension method IRoutingInputs.ReleaseAndMakeRoute()
-		/// </summary>
-		public void ReleaseRoutes()
-		{
-			foreach (var route in Routes)
-			{
-				if (route.SwitchingDevice is IRouting)
-				{
-					// Pull the route from the port.  Whatever is watching the output's in use tracker is
-					// responsible for responding appropriately.
-					route.OutputPort.InUseTracker.RemoveUser(Destination, "destination-" + SignalType);
-					Debug.LogMessage(LogEventLevel.Verbose, "Port {0} releasing. Count={1}", route.OutputPort.Key, route.OutputPort.InUseTracker.InUseCountFeedback.UShortValue);
-				}
-			}
-		}
-
-		public override string ToString()
-		{
-			var routesText = Routes.Select(r => r.ToString()).ToArray();
-			return string.Format("Route table from {0} to {1}:\r{2}", Source.Key, Destination.Key, string.Join("\r", routesText));
-		}
-	}
-
-	/// <summary>
-	/// Represents an individual link for a route
-	/// </summary>
-	public class RouteSwitchDescriptor
-	{
-		public IRoutingInputs SwitchingDevice { get { return InputPort.ParentDevice; } }
-		public RoutingOutputPort OutputPort { get; set; }
-		public RoutingInputPort InputPort { get; set; }
-
-		public RouteSwitchDescriptor(RoutingInputPort inputPort)
-		{
-			InputPort = inputPort;
-		}
-
-		public RouteSwitchDescriptor(RoutingOutputPort outputPort, RoutingInputPort inputPort)
-		{
-			InputPort = inputPort;
-			OutputPort = outputPort;
-		}
-
-		public override string ToString()
-		{
-			if(SwitchingDevice is IRouting)
-				return string.Format("{0} switches output '{1}' to input '{2}'", SwitchingDevice.Key, OutputPort.Selector, InputPort.Selector);
-			else
-				return string.Format("{0} switches to input '{1}'", SwitchingDevice.Key, InputPort.Selector);
-
-		}
-	}
-}

src/PepperDash.Essentials.Core/Routing/IRoutingInputsOutputs.cs

@@ -0,0 +1,16 @@
+namespace PepperDash.Essentials.Core
+{
+    /// <summary>
+    /// For devices like RMCs, baluns, other devices with no switching.
+    /// </summary>
+    public interface IRoutingInputsOutputs : IRoutingInputs, IRoutingOutputs
+	{
+	}
+
+/*    /// <summary>
+    /// For devices like RMCs, baluns, other devices with no switching.
+    /// </summary>
+    public interface IRoutingInputsOutputs<TInputSelector, TOutputSelector> : IRoutingInputs<TInputSelector>, IRoutingOutputs<TOutputSelector>
+    {
+    }*/
+}

src/PepperDash.Essentials.Core/Routing/IRoutingNumeric.cs

@@ -0,0 +1,7 @@
+namespace PepperDash.Essentials.Core
+{
+    public interface IRoutingNumeric : IRouting
+    {
+        void ExecuteNumericSwitch(ushort input, ushort output, eRoutingSignalType type);
+    }
+}

src/PepperDash.Essentials.Core/Routing/IRoutingNumericWithFeedback.cs

@@ -0,0 +1,9 @@
+namespace PepperDash.Essentials.Core
+{
+    /// <summary>
+    /// Defines an IRoutingNumeric with a feedback event 
+    /// </summary>
+    public interface IRoutingNumericWithFeedback : IRoutingNumeric, IRoutingFeedback
+    {
+    }
+}

src/PepperDash.Essentials.Core/Routing/IRoutingOutputs.cs

@@ -0,0 +1,19 @@
+using PepperDash.Core;
+
+
+namespace PepperDash.Essentials.Core
+{
+    /// <summary>
+    /// Defines a class that has a collection of RoutingOutputPorts
+    /// </summary>
+
+    public interface IRoutingOutputs : IKeyed
+	{
+		RoutingPortCollection<RoutingOutputPort> OutputPorts { get; }
+	}
+
+/*    public interface IRoutingOutputs<TSelector> : IKeyed
+    {
+        RoutingPortCollection<RoutingOutputPort<TSelector>, TSelector> OutputPorts { get; }
+    }*/
+}

src/PepperDash.Essentials.Core/Routing/IRoutingSink.cs

@@ -0,0 +1,22 @@
+using PepperDash.Essentials.Core.Routing;
+
+namespace PepperDash.Essentials.Core
+{
+    /// <summary>
+    /// For fixed-source endpoint devices
+    /// </summary>
+    public interface IRoutingSink : IRoutingInputs, IHasCurrentSourceInfoChange
+    {
+        RoutingInputPort CurrentInputPort { get; }
+    }
+
+    /*/// <summary>
+    /// For fixed-source endpoint devices
+    /// </summary>
+    public interface IRoutingSink<TSelector> : IRoutingInputs<TSelector>, IHasCurrentSourceInfoChange
+    {
+        void UpdateRouteRequest<TOutputSelector>(RouteRequest<TSelector, TOutputSelector> request);
+
+        RouteRequest<TSelector, TOutputSelector> GetRouteRequest<TOutputSelector>();
+    }*/
+}

src/PepperDash.Essentials.Core/Routing/IRoutingSinkWithFeedback.cs

@@ -0,0 +1,25 @@
+using PepperDash.Essentials.Core.Routing;
+using System;
+using System.Collections.Generic;
+
+namespace PepperDash.Essentials.Core
+{
+    
+    /// <summary>
+    /// For fixed-source endpoint devices
+    /// </summary>
+    public interface IRoutingSinkWithFeedback : IRoutingSinkWithSwitching
+    {
+        
+    }
+
+/*    /// <summary>
+    /// For fixed-source endpoint devices
+    /// </summary>
+    public interface IRoutingSinkWithFeedback<TSelector> : IRoutingSinkWithSwitching<TSelector>
+    {
+        RouteSwitchDescriptor CurrentRoute { get; }
+
+        event EventHandler InputChanged;
+    }*/
+}

src/PepperDash.Essentials.Core/Routing/IRoutingSinkWithSwitching.cs

@@ -0,0 +1,24 @@
+using System;
+
+namespace PepperDash.Essentials.Core
+{
+    public delegate void InputChangedEventHandler(IRoutingSinkWithSwitching destination, RoutingInputPort currentPort);
+
+    /// <summary>
+    /// Endpoint device like a display, that selects inputs
+    /// </summary>
+    public interface IRoutingSinkWithSwitching : IRoutingSink
+	{		
+		void ExecuteSwitch(object inputSelector);
+
+        event InputChangedEventHandler InputChanged;
+    }
+
+/*    /// <summary>
+    /// Endpoint device like a display, that selects inputs
+    /// </summary>
+    public interface IRoutingSinkWithSwitching<TSelector> : IRoutingSink<TSelector>
+    {
+        void ExecuteSwitch(TSelector inputSelector);
+    }*/
+}

src/PepperDash.Essentials.Core/Routing/IRoutingSource.cs

@@ -0,0 +1,9 @@
+namespace PepperDash.Essentials.Core
+{
+    /// <summary>
+    /// Defines an IRoutingOutputs devices as being a source - the start of the chain
+    /// </summary>
+    public interface IRoutingSource
+    { 
+	}
+}

src/PepperDash.Essentials.Core/Routing/IRoutingWithClear.cs

@@ -0,0 +1,12 @@
+namespace PepperDash.Essentials.Core
+{
+    public interface IRoutingWithClear : IRouting
+    {
+        /// <summary>
+        /// Clears a route to an output, however a device needs to do that
+        /// </summary>
+        /// <param name="outputSelector">Output to clear</param>
+        /// <param name="signalType">signal type to clear</param>
+        void ClearRoute(object outputSelector, eRoutingSignalType signalType);
+    }
+}

src/PepperDash.Essentials.Core/Routing/IRoutingWithFeedback.cs

@@ -0,0 +1,16 @@
+using System.Collections.Generic;
+using System;
+
+namespace PepperDash.Essentials.Core
+{
+    public delegate void RouteChangedEventHandler(IRoutingWithFeedback midpoint, RouteSwitchDescriptor newRoute);
+    /// <summary>
+    /// Defines an IRouting with a feedback event
+    /// </summary>
+    public interface IRoutingWithFeedback : IRouting
+    {
+        List<RouteSwitchDescriptor> CurrentRoutes { get; }
+
+        event RouteChangedEventHandler RouteChanged;
+    }
+}

src/PepperDash.Essentials.Core/Routing/ITxRouting.cs

@@ -0,0 +1,8 @@
+namespace PepperDash.Essentials.Core
+{
+    public interface ITxRouting : IRoutingNumeric
+    {
+        IntFeedback VideoSourceNumericFeedback { get; }
+        IntFeedback AudioSourceNumericFeedback { get; }
+    }
+}

src/PepperDash.Essentials.Core/Routing/ITxRoutingWithFeedback.cs

@@ -0,0 +1,9 @@
+namespace PepperDash.Essentials.Core
+{
+    /// <summary>
+    /// Defines an IRmcRouting with a feedback event 
+    /// </summary>
+    public interface ITxRoutingWithFeedback : ITxRouting
+    {
+    }
+}

src/PepperDash.Essentials.Core/Routing/RouteDescriptor.cs

@@ -0,0 +1,152 @@
+using System.Collections.Generic;
+using System.Linq;
+using Crestron.SimplSharpPro;
+
+using PepperDash.Core;
+using Serilog.Events;
+
+
+namespace PepperDash.Essentials.Core
+{
+    /// <summary>
+    /// Represents an collection of individual route steps between Source and Destination
+    /// </summary>
+    public class RouteDescriptor
+	{
+		public IRoutingInputs Destination { get; private set; }
+		public IRoutingOutputs Source { get; private set; }
+		public eRoutingSignalType SignalType { get; private set; }
+		public List<RouteSwitchDescriptor> Routes { get; private set; }
+
+
+		public RouteDescriptor(IRoutingOutputs source, IRoutingInputs destination, eRoutingSignalType signalType)
+		{
+			Destination = destination;
+			Source = source;
+			SignalType = signalType;
+			Routes = new List<RouteSwitchDescriptor>();
+		}
+
+		/// <summary>
+		/// Executes all routes described in this collection.  Typically called via
+		/// extension method IRoutingInputs.ReleaseAndMakeRoute()
+		/// </summary>
+		public void ExecuteRoutes()
+		{
+			foreach (var route in Routes)
+			{
+				Debug.LogMessage(LogEventLevel.Verbose, "ExecuteRoutes: {0}",null, route.ToString());
+
+                if (route.SwitchingDevice is IRoutingSinkWithSwitching sink)
+                {                   
+                    sink.ExecuteSwitch(route.InputPort.Selector);
+                    continue; 
+                }
+
+                if (route.SwitchingDevice is IRouting switchingDevice)
+                {
+                    switchingDevice.ExecuteSwitch(route.InputPort.Selector, route.OutputPort.Selector, SignalType);
+
+                    route.OutputPort.InUseTracker.AddUser(Destination, "destination-" + SignalType);
+
+                    Debug.LogMessage(LogEventLevel.Verbose, "Output port {0} routing. Count={1}", null, route.OutputPort.Key, route.OutputPort.InUseTracker.InUseCountFeedback.UShortValue);
+                }
+			}
+		}
+
+		/// <summary>
+		/// Releases all routes in this collection. Typically called via
+		/// extension method IRoutingInputs.ReleaseAndMakeRoute()
+		/// </summary>
+		public void ReleaseRoutes()
+		{
+			foreach (var route in Routes)
+			{
+				if (route.SwitchingDevice is IRouting)
+				{
+					// Pull the route from the port.  Whatever is watching the output's in use tracker is
+					// responsible for responding appropriately.
+					route.OutputPort.InUseTracker.RemoveUser(Destination, "destination-" + SignalType);
+					Debug.LogMessage(LogEventLevel.Verbose, "Port {0} releasing. Count={1}",null, route.OutputPort.Key, route.OutputPort.InUseTracker.InUseCountFeedback.UShortValue);
+				}
+			}
+		}
+
+		public override string ToString()
+		{
+			var routesText = Routes.Select(r => r.ToString()).ToArray();
+			return string.Format("Route table from {0} to {1}:\r{2}", Source.Key, Destination.Key, string.Join("\r", routesText));
+		}
+	}
+
+    /*/// <summary>
+    /// Represents an collection of individual route steps between Source and Destination
+    /// </summary>
+    public class RouteDescriptor<TInputSelector, TOutputSelector>
+    {
+        public IRoutingInputs<TInputSelector> Destination { get; private set; }
+        public IRoutingOutputs<TOutputSelector> Source { get; private set; }
+        public eRoutingSignalType SignalType { get; private set; }
+        public List<RouteSwitchDescriptor<TInputSelector, TOutputSelector>> Routes { get; private set; }
+
+
+        public RouteDescriptor(IRoutingOutputs<TOutputSelector> source, IRoutingInputs<TInputSelector> destination, eRoutingSignalType signalType)
+        {
+            Destination = destination;
+            Source = source;
+            SignalType = signalType;
+            Routes = new List<RouteSwitchDescriptor<TInputSelector, TOutputSelector>>();
+        }
+
+        /// <summary>
+        /// Executes all routes described in this collection.  Typically called via
+        /// extension method IRoutingInputs.ReleaseAndMakeRoute()
+        /// </summary>
+        public void ExecuteRoutes()
+        {
+            foreach (var route in Routes)
+            {
+                Debug.LogMessage(LogEventLevel.Verbose, "ExecuteRoutes: {0}", null, route.ToString());
+
+                if (route.SwitchingDevice is IRoutingSinkWithSwitching<TInputSelector> sink)
+                {
+                    sink.ExecuteSwitch(route.InputPort.Selector);
+                    continue;
+                }
+
+                if (route.SwitchingDevice is IRouting switchingDevice)
+                {
+                    switchingDevice.ExecuteSwitch(route.InputPort.Selector, route.OutputPort.Selector, SignalType);
+
+                    route.OutputPort.InUseTracker.AddUser(Destination, "destination-" + SignalType);
+
+                    Debug.LogMessage(LogEventLevel.Verbose, "Output port {0} routing. Count={1}", null, route.OutputPort.Key, route.OutputPort.InUseTracker.InUseCountFeedback.UShortValue);
+                }
+            }
+        }
+
+        /// <summary>
+        /// Releases all routes in this collection. Typically called via
+        /// extension method IRoutingInputs.ReleaseAndMakeRoute()
+        /// </summary>
+        public void ReleaseRoutes()
+        {
+            foreach (var route in Routes)
+            {
+                if (route.SwitchingDevice is IRouting<TInputSelector, TOutputSelector>)
+                {
+                    // Pull the route from the port.  Whatever is watching the output's in use tracker is
+                    // responsible for responding appropriately.
+                    route.OutputPort.InUseTracker.RemoveUser(Destination, "destination-" + SignalType);
+                    Debug.LogMessage(LogEventLevel.Verbose, "Port {0} releasing. Count={1}", null, route.OutputPort.Key, route.OutputPort.InUseTracker.InUseCountFeedback.UShortValue);
+                }
+            }
+        }
+
+        public override string ToString()
+        {
+            var routesText = Routes.Select(r => r.ToString()).ToArray();
+            return string.Format("Route table from {0} to {1}:\r{2}", Source.Key, Destination.Key, string.Join("\r", routesText));
+        }
+    }*/
+}

src/PepperDash.Essentials.Core/Routing/RouteDescriptorCollection.cs

@@ -0,0 +1,123 @@
+using System.Collections.Generic;
+using System.Linq;
+
+using PepperDash.Core;
+using Serilog.Events;
+
+
+namespace PepperDash.Essentials.Core
+{
+    /// <summary>
+    /// A collection of RouteDescriptors - typically the static DefaultCollection is used
+    /// </summary>
+    public class RouteDescriptorCollection
+    {
+        public static RouteDescriptorCollection DefaultCollection
+        {
+            get
+            {
+                if (_DefaultCollection == null)
+                    _DefaultCollection = new RouteDescriptorCollection();
+                return _DefaultCollection;
+            }
+        }
+        private static RouteDescriptorCollection _DefaultCollection;
+
+        private readonly List<RouteDescriptor> RouteDescriptors = new List<RouteDescriptor>();
+
+        /// <summary>
+        /// Adds a RouteDescriptor to the list.  If an existing RouteDescriptor for the
+        /// destination exists already, it will not be added - in order to preserve
+        /// proper route releasing.
+        /// </summary>
+        /// <param name="descriptor"></param>
+        public void AddRouteDescriptor(RouteDescriptor descriptor)
+        {
+            if (RouteDescriptors.Any(t => t.Destination == descriptor.Destination))
+            {
+                Debug.LogMessage(LogEventLevel.Debug, descriptor.Destination,
+                    "Route to [{0}] already exists in global routes table", descriptor.Source.Key);
+                return;
+            }
+            RouteDescriptors.Add(descriptor);
+        }
+
+        /// <summary>
+        /// Gets the RouteDescriptor for a destination
+        /// </summary>
+        /// <returns>null if no RouteDescriptor for a destination exists</returns>
+        public RouteDescriptor GetRouteDescriptorForDestination(IRoutingInputs destination)
+        {
+            return RouteDescriptors.FirstOrDefault(rd => rd.Destination == destination);
+        }
+
+        /// <summary>
+        /// Returns the RouteDescriptor for a given destination AND removes it from collection.
+        /// Returns null if no route with the provided destination exists.
+        /// </summary>
+        public RouteDescriptor RemoveRouteDescriptor(IRoutingInputs destination)
+        {
+            var descr = GetRouteDescriptorForDestination(destination);
+            if (descr != null)
+                RouteDescriptors.Remove(descr);
+            return descr;
+        }
+    }
+
+    /*/// <summary>
+    /// A collection of RouteDescriptors - typically the static DefaultCollection is used
+    /// </summary>
+    public class RouteDescriptorCollection<TInputSelector, TOutputSelector>
+	{
+		public static RouteDescriptorCollection<TInputSelector, TOutputSelector> DefaultCollection
+		{
+			get
+			{
+				if (_DefaultCollection == null)
+					_DefaultCollection = new RouteDescriptorCollection<TInputSelector, TOutputSelector>();
+				return _DefaultCollection;
+			}
+		}
+		private static RouteDescriptorCollection<TInputSelector, TOutputSelector> _DefaultCollection;
+
+		private readonly List<RouteDescriptor> RouteDescriptors = new List<RouteDescriptor>();
+
+		/// <summary>
+		/// Adds a RouteDescriptor to the list.  If an existing RouteDescriptor for the
+		/// destination exists already, it will not be added - in order to preserve
+		/// proper route releasing.
+		/// </summary>
+		/// <param name="descriptor"></param>
+		public void AddRouteDescriptor(RouteDescriptor descriptor)
+		{
+			if (RouteDescriptors.Any(t => t.Destination == descriptor.Destination))
+			{
+				Debug.LogMessage(LogEventLevel.Debug, descriptor.Destination, 
+					"Route to [{0}] already exists in global routes table", descriptor.Source.Key);
+				return;
+			}
+			RouteDescriptors.Add(descriptor);
+		}
+
+		/// <summary>
+		/// Gets the RouteDescriptor for a destination
+		/// </summary>
+		/// <returns>null if no RouteDescriptor for a destination exists</returns>
+		public RouteDescriptor GetRouteDescriptorForDestination(IRoutingInputs<TInputSelector> destination)
+		{
+			return RouteDescriptors.FirstOrDefault(rd => rd.Destination == destination);
+		}
+
+		/// <summary>
+		/// Returns the RouteDescriptor for a given destination AND removes it from collection.
+		/// Returns null if no route with the provided destination exists.
+		/// </summary>
+		public RouteDescriptor RemoveRouteDescriptor(IRoutingInputs<TInputSelector> destination)
+		{
+			var descr = GetRouteDescriptorForDestination(destination);
+			if (descr != null)
+				RouteDescriptors.Remove(descr);
+			return descr;
+		}
+	}*/
+}

src/PepperDash.Essentials.Core/Routing/RouteRequest.cs

@@ -0,0 +1,44 @@
+namespace PepperDash.Essentials.Core
+{
+    public class RouteRequest
+    {
+        public IRoutingSink Destination {get; set;}
+        public IRoutingOutputs Source {get; set;}
+        public eRoutingSignalType SignalType {get; set;}
+
+        public void HandleCooldown(object sender, FeedbackEventArgs args)
+        {
+            var coolingDevice = sender as IWarmingCooling;
+            
+            if(args.BoolValue == false)
+            {
+                Destination.ReleaseAndMakeRoute(Source, SignalType);
+                
+                if(sender == null) return;
+
+                coolingDevice.IsCoolingDownFeedback.OutputChange -= HandleCooldown;
+            }
+        }
+    }
+
+    /*public class RouteRequest<TInputSelector, TOutputSelector>
+    {
+        public IRoutingSink<TInputSelector> Destination { get; set; }
+        public IRoutingOutputs<TOutputSelector> Source { get; set; }
+        public eRoutingSignalType SignalType { get; set; }
+
+        public void HandleCooldown(object sender, FeedbackEventArgs args)
+        {
+            var coolingDevice = sender as IWarmingCooling;
+
+            if (args.BoolValue == false)
+            {
+                Destination.ReleaseAndMakeRoute(Source, SignalType);
+
+                if (sender == null) return;
+
+                coolingDevice.IsCoolingDownFeedback.OutputChange -= HandleCooldown;
+            }
+        }
+    }*/
+}

src/PepperDash.Essentials.Core/Routing/RouteSwitchDescriptor.cs

@@ -0,0 +1,60 @@
+namespace PepperDash.Essentials.Core
+{
+    /// <summary>
+    /// Represents an individual link for a route
+    /// </summary>
+    public class RouteSwitchDescriptor
+	{
+		public IRoutingInputs SwitchingDevice { get { return InputPort.ParentDevice; } }
+		public RoutingOutputPort OutputPort { get; set; }
+		public RoutingInputPort InputPort { get; set; }
+
+		public RouteSwitchDescriptor(RoutingInputPort inputPort)
+		{
+			InputPort = inputPort;
+		}
+
+		public RouteSwitchDescriptor(RoutingOutputPort outputPort, RoutingInputPort inputPort)
+		{
+			InputPort = inputPort;
+			OutputPort = outputPort;
+		}
+
+		public override string ToString()
+		{
+			if(SwitchingDevice is IRouting)
+				return string.Format("{0} switches output '{1}' to input '{2}'", SwitchingDevice.Key, OutputPort.Selector, InputPort.Selector);
+			else
+				return string.Format("{0} switches to input '{1}'", SwitchingDevice.Key, InputPort.Selector);
+		}
+	}
+
+    /*/// <summary>
+    /// Represents an individual link for a route
+    /// </summary>
+    public class RouteSwitchDescriptor<TInputSelector, TOutputSelector>
+    {
+        public IRoutingInputs<TInputSelector> SwitchingDevice { get { return InputPort.ParentDevice; } }
+        public RoutingOutputPort<TOutputSelector> OutputPort { get; set; }
+        public RoutingInputPort<TInputSelector> InputPort { get; set; }
+
+        public RouteSwitchDescriptor(RoutingInputPort<TInputSelector> inputPort)
+        {
+            InputPort = inputPort;
+        }
+
+        public RouteSwitchDescriptor(RoutingOutputPort<TOutputSelector> outputPort, RoutingInputPort<TInputSelector> inputPort)
+        {
+            InputPort = inputPort;
+            OutputPort = outputPort;
+        }
+
+        public override string ToString()
+        {
+            if (SwitchingDevice is IRouting)
+                return string.Format("{0} switches output '{1}' to input '{2}'", SwitchingDevice.Key, OutputPort.Selector, InputPort.Selector);
+            else
+                return string.Format("{0} switches to input '{1}'", SwitchingDevice.Key, InputPort.Selector);
+        }
+    }*/
+}

src/PepperDash.Essentials.Core/Routing/RoutingFeedbackManager.cs

@@ -0,0 +1,197 @@
+using Org.BouncyCastle.Crypto.Prng;
+using PepperDash.Core;
+using PepperDash.Essentials.Core.Config;
+using System;
+using System.Collections;
+using System.Collections.Generic;
+using System.Linq;
+using System.Reflection;
+
+namespace PepperDash.Essentials.Core.Routing
+{
+    public class RoutingFeedbackManager:EssentialsDevice
+    {
+        public RoutingFeedbackManager(string key, string name): base(key, name)
+        {
+            AddPostActivationAction(SubscribeForMidpointFeedback);
+            AddPostActivationAction(SubscribeForSinkFeedback);
+        }
+
+        private void SubscribeForMidpointFeedback()
+        {
+            var midpointDevices = DeviceManager.AllDevices.OfType<IRoutingWithFeedback>();
+
+            foreach (var device in midpointDevices)
+            {
+                device.RouteChanged += HandleMidpointUpdate;
+            }
+        }
+
+        private void SubscribeForSinkFeedback()
+        {
+                var sinkDevices = DeviceManager.AllDevices.OfType<IRoutingSinkWithSwitching>();
+
+                foreach (var device in sinkDevices)
+                {
+                    device.InputChanged += HandleSinkUpdate;
+                }   
+        }
+
+        private void HandleMidpointUpdate(IRoutingWithFeedback midpoint, RouteSwitchDescriptor newRoute)
+        {
+            var devices = DeviceManager.AllDevices.OfType<IRoutingSinkWithSwitching>();
+
+            foreach(var device in devices)
+            {
+                UpdateDestination(device, device.CurrentInputPort);
+            }
+        }
+
+        private void HandleSinkUpdate(IRoutingSinkWithSwitching sender, RoutingInputPort currentInputPort)
+        {
+            try
+            {
+                UpdateDestination(sender, currentInputPort);
+            }
+            catch (Exception ex)
+            {
+                Debug.LogMessage(ex, "Error handling Sink update from {senderKey}:{Exception}", this, sender.Key, ex);
+            }
+        }
+
+        private void UpdateDestination(IRoutingSinkWithSwitching destination, RoutingInputPort inputPort)
+        {
+            var tieLines = TieLineCollection.Default;
+
+            var firstTieLine = tieLines.FirstOrDefault(tl => tl.DestinationPort.Key == inputPort.Key);
+
+            if (firstTieLine == null)
+            {
+                Debug.LogMessage(Serilog.Events.LogEventLevel.Information, "No tieline found for inputPort {inputPort}. Clearing current source", this, inputPort);
+
+                destination.CurrentSourceInfo = null;
+                destination.CurrentSourceInfoKey = string.Empty;
+                return;
+            }
+
+            Debug.LogMessage(Serilog.Events.LogEventLevel.Verbose, "Getting source for first TieLine {tieLine}", this, firstTieLine);
+
+            var sourceTieLine = GetRootTieLine(firstTieLine);            
+
+            if (sourceTieLine == null)
+            {
+                Debug.LogMessage(Serilog.Events.LogEventLevel.Information, "No route found to source for inputPort {inputPort}. Clearing current source", this, inputPort);
+
+                destination.CurrentSourceInfo = null;
+                destination.CurrentSourceInfoKey = string.Empty;
+            }
+
+            Debug.LogMessage(Serilog.Events.LogEventLevel.Verbose, "Found root TieLine {tieLine}", this, sourceTieLine);           
+
+            // Does not handle combinable scenarios or other scenarios where a display might be part of multiple rooms yet.
+            var room = DeviceManager.AllDevices.OfType<IEssentialsRoom>().FirstOrDefault((r) => {
+                if(r is IHasMultipleDisplays roomMultipleDisplays)
+                {
+                    return roomMultipleDisplays.Displays.Any(d => d.Value.Key == destination.Key);
+                }
+
+                if(r is IHasDefaultDisplay roomDefaultDisplay)
+                {
+                    return roomDefaultDisplay.DefaultDisplay.Key == destination.Key;
+                }
+
+                return false;
+            });
+            
+            if(room == null)
+            {
+                Debug.LogMessage(Serilog.Events.LogEventLevel.Warning, "No room found for display {destination}", this, destination.Key);
+                return;
+            }
+
+            Debug.LogMessage(Serilog.Events.LogEventLevel.Verbose, "Found room {room} for destination {destination}", this, room.Key, destination.Key);
+
+            var sourceList = ConfigReader.ConfigObject.GetSourceListForKey(room.SourceListKey);
+
+            if (sourceList == null)
+            {
+                Debug.LogMessage(Serilog.Events.LogEventLevel.Warning, "No source list found for source list key {key}. Unable to find source for tieLine {sourceTieLine}", this, room.SourceListKey, sourceTieLine);
+                return;
+            }
+
+            Debug.LogMessage(Serilog.Events.LogEventLevel.Verbose, "Found sourceList for room {room}", this, room.Key);
+
+            var sourceListItem = sourceList.FirstOrDefault(sli => {
+                Debug.LogMessage(Serilog.Events.LogEventLevel.Verbose,
+                    "SourceListItem {sourceListItem}:{sourceKey} tieLine sourceport device key {sourcePortDeviceKey}",
+                    this,
+                    sli.Key,
+                    sli.Value.SourceKey,
+                    sourceTieLine.SourcePort.ParentDevice.Key);
+
+                return sli.Value.SourceKey.Equals(sourceTieLine.SourcePort.ParentDevice.Key,StringComparison.InvariantCultureIgnoreCase);
+            });            
+
+            var source = sourceListItem.Value;
+
+            if (source == null)
+            {
+                Debug.LogMessage(Serilog.Events.LogEventLevel.Information, "No source found for device {key}. Clearing current source on {destination}", this, sourceTieLine.SourcePort.ParentDevice.Key, destination);
+
+                destination.CurrentSourceInfo = null;
+                destination.CurrentSourceInfoKey = string.Empty;
+                return;
+            }
+
+            Debug.LogMessage(Serilog.Events.LogEventLevel.Verbose, "Got Source {source}", this, source);
+
+            destination.CurrentSourceInfo = source;
+            destination.CurrentSourceInfoKey = source.SourceKey;
+        }
+
+        private TieLine GetRootTieLine(TieLine tieLine)
+        {
+            TieLine nextTieLine = null;
+
+            if(tieLine.SourcePort.ParentDevice is IRoutingWithFeedback midpoint)
+            {
+                Debug.LogMessage(Serilog.Events.LogEventLevel.Verbose, "TieLine Source device is midpoint", this);
+
+                var currentRoute = midpoint.CurrentRoutes.FirstOrDefault(route => route.OutputPort.Key == tieLine.SourcePort.Key);
+
+                if(currentRoute == null)
+                {
+                    Debug.LogMessage(Serilog.Events.LogEventLevel.Information, "No route through midpoint {midpoint} for outputPort {outputPort}", this, midpoint.Key, tieLine.SourcePort);
+                    return null;
+                }
+
+                nextTieLine = TieLineCollection.Default.FirstOrDefault(tl => tl.DestinationPort.Key == currentRoute.InputPort.Key);
+
+                if(tieLine != null)
+                {
+                    return GetRootTieLine(nextTieLine);
+                }
+
+                return tieLine;
+            }
+
+            Debug.LogMessage(Serilog.Events.LogEventLevel.Verbose, "TieLIne Source Device {sourceDeviceKey} is IRoutingSource: {isIRoutingSource}", this,tieLine.SourcePort.ParentDevice.Key, tieLine.SourcePort.ParentDevice is IRoutingSource);
+            Debug.LogMessage(Serilog.Events.LogEventLevel.Verbose, "TieLine Source Device interfaces: {typeFullName}:{interfaces}",this, tieLine.SourcePort.ParentDevice.GetType().FullName, tieLine.SourcePort.ParentDevice.GetType().GetInterfaces().Select(i => i.Name));
+
+            if(tieLine.SourcePort.ParentDevice is IRoutingSource || tieLine.SourcePort.ParentDevice is IRoutingOutputs) //end of the chain
+            {
+                Debug.LogMessage(Serilog.Events.LogEventLevel.Verbose, "Found root: {tieLine}", this, tieLine);
+                return tieLine;
+            }
+
+            nextTieLine = TieLineCollection.Default.FirstOrDefault(tl => tl.SourcePort.Key == tieLine.SourcePort.Key);
+
+            if(nextTieLine != null)
+            {
+                return GetRootTieLine(nextTieLine);
+            }
+
+            return null;
+        }
+    }
+}

src/PepperDash.Essentials.Core/Routing/RoutingInputPort.cs

@@ -0,0 +1,77 @@
+using System;
+
+
+namespace PepperDash.Essentials.Core
+{
+    /// <summary>
+    /// Basic RoutingInput with no statuses.
+    /// </summary>
+    public class RoutingInputPort : RoutingPort
+	{
+		/// <summary>
+		/// The IRoutingInputs object this lives on
+		/// </summary>
+		public IRoutingInputs ParentDevice { get; private set; }
+
+		/// <summary>
+		/// Constructor for a basic RoutingInputPort
+		/// </summary>
+		/// <param name="selector">An object used to refer to this port in the IRouting device's ExecuteSwitch method.
+		/// May be string, number, whatever</param>
+		/// <param name="parent">The IRoutingInputs object this lives on</param>
+		public RoutingInputPort(string key, eRoutingSignalType type, eRoutingPortConnectionType connType,
+			object selector, IRoutingInputs parent)
+			: this (key, type, connType, selector, parent, false)
+		{
+		}
+
+		/// <summary>
+		/// Constructor for a virtual routing input port that lives inside a device. For example
+		/// the ports that link a DM card to a DM matrix bus
+		/// </summary>
+		/// <param name="isInternal">true for internal ports</param>
+		public RoutingInputPort(string key, eRoutingSignalType type, eRoutingPortConnectionType connType,
+			object selector, IRoutingInputs parent, bool isInternal)
+			: base(key, type, connType, selector, isInternal)
+		{
+			if (parent == null)
+				throw new ArgumentNullException(nameof(parent));
+			ParentDevice = parent;
+		}
+	}
+
+    /*/// <summary>
+    /// Basic RoutingInput with no statuses.
+    /// </summary>
+    public class RoutingInputPort<TSelector> : RoutingPort<TSelector>
+    {
+        /// <summary>
+        /// The IRoutingInputs object this lives on
+        /// </summary>
+        public IRoutingInputs<TSelector> ParentDevice { get; private set; }
+
+        /// <summary>
+        /// Constructor for a basic RoutingInputPort
+        /// </summary>
+        /// <param name="selector">An object used to refer to this port in the IRouting device's ExecuteSwitch method.
+        /// May be string, number, whatever</param>
+        /// <param name="parent">The IRoutingInputs object this lives on</param>
+        public RoutingInputPort(string key, eRoutingSignalType type, eRoutingPortConnectionType connType,
+            TSelector selector, IRoutingInputs<TSelector> parent)
+            : this(key, type, connType, selector, parent, false)
+        {
+        }
+
+        /// <summary>
+        /// Constructor for a virtual routing input port that lives inside a device. For example
+        /// the ports that link a DM card to a DM matrix bus
+        /// </summary>
+        /// <param name="isInternal">true for internal ports</param>
+        public RoutingInputPort(string key, eRoutingSignalType type, eRoutingPortConnectionType connType,
+            TSelector selector, IRoutingInputs<TSelector> parent, bool isInternal)
+            : base(key, type, connType, selector, isInternal)
+        {
+            ParentDevice = parent ?? throw new ArgumentNullException(nameof(parent));
+        }
+    }*/
+}

src/PepperDash.Essentials.Core/Routing/RoutingInputPortWithVideoStatuses.cs

@@ -0,0 +1,30 @@
+namespace PepperDash.Essentials.Core
+{
+    /// <summary>
+    /// A RoutingInputPort for devices like DM-TX and DM input cards. 
+    /// Will provide video statistics on connected signals
+    /// </summary>
+    public class RoutingInputPortWithVideoStatuses : RoutingInputPort
+	{
+		/// <summary>
+		/// Video statuses attached to this port
+		/// </summary>
+		public VideoStatusOutputs VideoStatus { get; private set; }
+
+		/// <summary>
+		/// Constructor 
+		/// </summary>
+		/// <param name="selector">An object used to refer to this port in the IRouting device's ExecuteSwitch method.
+		/// May be string, number, whatever</param>
+		/// <param name="parent">The IRoutingInputs object this lives on</param>
+		/// <param name="funcs">A VideoStatusFuncsWrapper used to assign the callback funcs that will get 
+		/// the values for the various stats</param>
+		public RoutingInputPortWithVideoStatuses(string key, 
+			eRoutingSignalType type, eRoutingPortConnectionType connType, object selector, 
+			IRoutingInputs parent, VideoStatusFuncsWrapper funcs) :
+			base(key, type, connType, selector, parent)
+		{
+			VideoStatus = new VideoStatusOutputs(funcs);		
+		}
+	}
+}

src/PepperDash.Essentials.Core/Routing/RoutingInterfaces.cs

@@ -1,203 +0,0 @@
-using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Text;
-using Crestron.SimplSharp;
-using Crestron.SimplSharpPro;
-using Crestron.SimplSharpPro.DM;
-
-using PepperDash.Core;
-
-
-namespace PepperDash.Essentials.Core
-{
-
-    /// <summary>
-    /// The handler type for a Room's SourceInfoChange
-    /// </summary>
-    public delegate void SourceInfoChangeHandler(/*EssentialsRoomBase room,*/ SourceListItem info, ChangeType type);
-
-
-	//*******************************************************************************************
-	// Interfaces
-
-    /// <summary>
-    /// For rooms with a single presentation source, change event
-    /// </summary>
-    public interface IHasCurrentSourceInfoChange
-    {
-        string CurrentSourceInfoKey { get; set; }
-        SourceListItem CurrentSourceInfo { get; set; }
-        event SourceInfoChangeHandler CurrentSourceChange;
-    }
-
-	/// <summary>
-	/// Defines a class that has a collection of RoutingInputPorts
-	/// </summary>
-	public interface IRoutingInputs : IKeyed
-	{
-		RoutingPortCollection<RoutingInputPort> InputPorts { get; }
-	}
-
-	/// <summary>
-	/// Defines a class that has a collection of RoutingOutputPorts
-	/// </summary>
-
-	public interface IRoutingOutputs : IKeyed
-	{
-		RoutingPortCollection<RoutingOutputPort> OutputPorts { get; }
-	}
-
-    /// <summary>
-    /// For fixed-source endpoint devices
-    /// </summary>
-    public interface IRoutingSink : IRoutingInputs, IHasCurrentSourceInfoChange
-    {
-
-    }
-
-	/// <summary>
-	/// Endpoint device like a display, that selects inputs
-	/// </summary>
-    public interface IRoutingSinkWithSwitching : IRoutingSink
-	{
-		//void ClearRoute();
-		void ExecuteSwitch(object inputSelector);
-	}
-
-	/// <summary>
-	/// For devices like RMCs, baluns, other devices with no switching.
-	/// </summary>
-	public interface IRoutingInputsOutputs : IRoutingInputs, IRoutingOutputs
-	{
-	}
-
-	/// <summary>
-	/// Defines a midpoint device as have internal routing.  Any devices in the middle of the
-	/// signal chain, that do switching, must implement this for routing to work otherwise
-	/// the routing algorithm will treat the IRoutingInputsOutputs device as a passthrough
-	/// device.
-	/// </summary>
-	public interface IRouting : IRoutingInputsOutputs
-	{
-		void ExecuteSwitch(object inputSelector, object outputSelector, eRoutingSignalType signalType);
-    }
-
-    public interface IRoutingWithClear : IRouting
-    {
-        /// <summary>
-        /// Clears a route to an output, however a device needs to do that
-        /// </summary>
-        /// <param name="outputSelector">Output to clear</param>
-        /// <param name="signalType">signal type to clear</param>
-        void ClearRoute(object outputSelector, eRoutingSignalType signalType);
-    }
-
-    public interface IRoutingNumeric : IRouting
-    {
-        void ExecuteNumericSwitch(ushort input, ushort output, eRoutingSignalType type);
-    }
-
-    public interface ITxRouting : IRoutingNumeric
-    {
-        IntFeedback VideoSourceNumericFeedback { get; }
-        IntFeedback AudioSourceNumericFeedback { get; }
-    }
-
-    /// <summary>
-    /// Defines a receiver that has internal routing (DM-RMC-4K-Z-SCALER-C)
-    /// </summary>
-    public interface IRmcRouting : IRoutingNumeric
-    {
-        IntFeedback AudioVideoSourceNumericFeedback { get; }
-    }
-
-
-    /// <summary>
-    /// Defines an IRmcRouting with a feedback event 
-    /// </summary>
-    public interface ITxRoutingWithFeedback : ITxRouting
-    {
-    }
-
-    /// <summary>
-    /// Defines an IRmcRouting with a feedback event 
-    /// </summary>
-    public interface IRmcRoutingWithFeedback : IRmcRouting
-    {
-    }
-
-    /// <summary>
-	/// Defines an IRoutingOutputs devices as being a source - the start of the chain
-	/// </summary>
-	public interface IRoutingSource : IRoutingOutputs
-	{
-	}
-
-    /// <summary>
-    /// Defines an event structure for reporting output route data
-    /// </summary>
-    public interface IRoutingFeedback : IKeyName
-    {
-        event EventHandler<RoutingNumericEventArgs> NumericSwitchChange;
-        //void OnSwitchChange(RoutingNumericEventArgs e);
-    }
-
-    /// <summary>
-    /// Defines an IRoutingNumeric with a feedback event 
-    /// </summary>
-    public interface IRoutingNumericWithFeedback : IRoutingNumeric, IRoutingFeedback
-    {
-    }
-
-    /// <summary>
-    /// Defines an IRouting with a feedback event
-    /// </summary>
-    public interface IRoutingWithFeedback : IRouting, IRoutingFeedback
-    {
-        
-    }
-
-    public class RoutingNumericEventArgs : EventArgs
-    {
-
-        public uint? Output { get; set; }
-        public uint? Input { get; set; }
-
-        public eRoutingSignalType SigType { get; set; }
-        public RoutingInputPort InputPort { get; set; }
-        public RoutingOutputPort OutputPort { get; set; }
-
-        public RoutingNumericEventArgs(uint output, uint input, eRoutingSignalType sigType) : this(output, input, null, null, sigType)
-        {
-        }
-
-        public RoutingNumericEventArgs(RoutingOutputPort outputPort, RoutingInputPort inputPort,
-            eRoutingSignalType sigType)
-            : this(null, null, outputPort, inputPort, sigType)
-        {
-        }
-
-        public RoutingNumericEventArgs()
-            : this(null, null, null, null, 0)
-        {
- 
-        }
-
-        public RoutingNumericEventArgs(uint? output, uint? input, RoutingOutputPort outputPort,
-            RoutingInputPort inputPort, eRoutingSignalType sigType)
-        {
-            OutputPort = outputPort;
-            InputPort = inputPort;
-
-            Output = output;
-            Input = input;
-            SigType = sigType;
-        }
-    }
-
-	public interface IRoutingHasVideoInputSyncFeedbacks
-	{
-		FeedbackCollection<BoolFeedback> VideoInputSyncFeedbacks { get; }
-	}	
-}

src/PepperDash.Essentials.Core/Routing/RoutingNumericEventArgs.cs

@@ -0,0 +1,43 @@
+using System;
+
+
+namespace PepperDash.Essentials.Core
+{
+    public class RoutingNumericEventArgs : EventArgs
+    {
+
+        public uint? Output { get; set; }
+        public uint? Input { get; set; }
+
+        public eRoutingSignalType SigType { get; set; }
+        public RoutingInputPort InputPort { get; set; }
+        public RoutingOutputPort OutputPort { get; set; }
+
+        public RoutingNumericEventArgs(uint output, uint input, eRoutingSignalType sigType) : this(output, input, null, null, sigType)
+        {
+        }
+
+        public RoutingNumericEventArgs(RoutingOutputPort outputPort, RoutingInputPort inputPort,
+            eRoutingSignalType sigType)
+            : this(null, null, outputPort, inputPort, sigType)
+        {
+        }
+
+        public RoutingNumericEventArgs()
+            : this(null, null, null, null, 0)
+        {
+ 
+        }
+
+        public RoutingNumericEventArgs(uint? output, uint? input, RoutingOutputPort outputPort,
+            RoutingInputPort inputPort, eRoutingSignalType sigType)
+        {
+            OutputPort = outputPort;
+            InputPort = inputPort;
+
+            Output = output;
+            Input = input;
+            SigType = sigType;
+        }
+    }
+}

src/PepperDash.Essentials.Core/Routing/RoutingOutputPort.cs

@@ -0,0 +1,75 @@
+using System;
+
+
+namespace PepperDash.Essentials.Core
+{
+    public class RoutingOutputPort : RoutingPort
+	{
+		/// <summary>
+		/// The IRoutingOutputs object this port lives on
+		/// </summary>
+		public IRoutingOutputs ParentDevice { get; private set; }
+
+		public InUseTracking InUseTracker { get; private set; }
+
+
+		/// <summary>
+		/// </summary>
+		/// <param name="selector">An object used to refer to this port in the IRouting device's ExecuteSwitch method.
+		/// May be string, number, whatever</param>
+		/// <param name="parent">The IRoutingOutputs object this port lives on</param>
+		public RoutingOutputPort(string key, eRoutingSignalType type, eRoutingPortConnectionType connType,
+			object selector, IRoutingOutputs parent)
+			: this(key, type, connType, selector, parent, false)
+		{
+		}
+
+		public RoutingOutputPort(string key, eRoutingSignalType type, eRoutingPortConnectionType connType,
+			object selector, IRoutingOutputs parent, bool isInternal)
+			: base(key, type, connType, selector, isInternal)
+		{
+            ParentDevice = parent ?? throw new ArgumentNullException(nameof(parent));
+			InUseTracker = new InUseTracking();
+		}
+
+        public override string ToString()
+        {
+            return ParentDevice.Key + ":" + Key;
+        }
+	}
+
+    /*public class RoutingOutputPort<TSelector> : RoutingPort<TSelector>
+    {
+        /// <summary>
+        /// The IRoutingOutputs object this port lives on
+        /// </summary>
+        public IRoutingOutputs ParentDevice { get; private set; }
+
+        public InUseTracking InUseTracker { get; private set; }
+
+
+        /// <summary>
+        /// </summary>
+        /// <param name="selector">An object used to refer to this port in the IRouting device's ExecuteSwitch method.
+        /// May be string, number, whatever</param>
+        /// <param name="parent">The IRoutingOutputs object this port lives on</param>
+        public RoutingOutputPort(string key, eRoutingSignalType type, eRoutingPortConnectionType connType,
+            TSelector selector, IRoutingOutputs parent)
+            : this(key, type, connType, selector, parent, false)
+        {
+        }
+
+        public RoutingOutputPort(string key, eRoutingSignalType type, eRoutingPortConnectionType connType,
+            TSelector selector, IRoutingOutputs parent, bool isInternal)
+            : base(key, type, connType, selector, isInternal)
+        {
+            ParentDevice = parent ?? throw new ArgumentNullException(nameof(parent));
+            InUseTracker = new InUseTracking();
+        }
+
+        public override string ToString()
+        {
+            return ParentDevice.Key + ":" + Key;
+        }
+    }*/
+}

src/PepperDash.Essentials.Core/Routing/RoutingPort.cs

@@ -1,15 +1,12 @@
-using System;
-using System.Collections.Generic;
-
-using PepperDash.Core;
+using PepperDash.Core;
 
 
 namespace PepperDash.Essentials.Core
 {
-	/// <summary>
-	/// Base class for RoutingInput and Output ports
-	/// </summary>
-	public abstract class RoutingPort : IKeyed
+    /// <summary>
+    /// Base class for RoutingInput and Output ports
+    /// </summary>
+    public abstract class RoutingPort : IKeyed
 	{
 		public string Key { get; private set; }
 		public eRoutingSignalType Type { get; private set; }
@@ -29,180 +26,23 @@ namespace PepperDash.Essentials.Core
 		}
 	}
 
-    [Flags]
-	public enum eRoutingSignalType
-	{
-		Audio = 1,
-		Video = 2,     
-		AudioVideo = Audio | Video,
-        UsbOutput = 8,
-        UsbInput = 16,
-        SecondaryAudio = 32
-	}
+    /*public abstract class RoutingPort<TSelector>:IKeyed
+    {
+        public string Key { get; private set; }
+        public eRoutingSignalType Type { get; private set; }
+        public eRoutingPortConnectionType ConnectionType { get; private set; }
+        public readonly TSelector Selector;
+        public bool IsInternal { get; private set; }
+        public object FeedbackMatchObject { get; set; }
+        public object Port { get; set; }
 
-	public enum eRoutingPortConnectionType
-	{
-		None, BackplaneOnly, DisplayPort, Dvi, Hdmi, Rgb, Vga, LineAudio, DigitalAudio, Sdi, 
-		Composite, Component, DmCat, DmMmFiber, DmSmFiber, Speaker, Streaming, UsbC, HdBaseT
-	}
-
-	/// <summary>
-	/// Basic RoutingInput with no statuses.
-	/// </summary>
-	public class RoutingInputPort : RoutingPort
-	{
-		/// <summary>
-		/// The IRoutingInputs object this lives on
-		/// </summary>
-		public IRoutingInputs ParentDevice { get; private set; }
-
-		/// <summary>
-		/// Constructor for a basic RoutingInputPort
-		/// </summary>
-		/// <param name="selector">An object used to refer to this port in the IRouting device's ExecuteSwitch method.
-		/// May be string, number, whatever</param>
-		/// <param name="parent">The IRoutingInputs object this lives on</param>
-		public RoutingInputPort(string key, eRoutingSignalType type, eRoutingPortConnectionType connType,
-			object selector, IRoutingInputs parent)
-			: this (key, type, connType, selector, parent, false)
-		{
-		}
-
-		/// <summary>
-		/// Constructor for a virtual routing input port that lives inside a device. For example
-		/// the ports that link a DM card to a DM matrix bus
-		/// </summary>
-		/// <param name="isInternal">true for internal ports</param>
-		public RoutingInputPort(string key, eRoutingSignalType type, eRoutingPortConnectionType connType,
-			object selector, IRoutingInputs parent, bool isInternal)
-			: base(key, type, connType, selector, isInternal)
-		{
-			if (parent == null)
-				throw new ArgumentNullException("parent");
-			ParentDevice = parent;
-		}
-
-
-
-
-		///// <summary>
-		///// Static method to get a named port from a named device
-		///// </summary>
-		///// <returns>Returns null if device or port doesn't exist</returns>
-		//public static RoutingInputPort GetDevicePort(string deviceKey, string portKey)
-		//{
-		//    var sourceDev = DeviceManager.GetDeviceForKey(deviceKey) as IRoutingInputs;
-		//    if (sourceDev == null)
-		//        return null;
-		//    return sourceDev.InputPorts[portKey];
-		//}
-
-		///// <summary>
-		///// Static method to get a named port from a card in a named ICardPortsDevice device
-		///// Uses ICardPortsDevice.GetChildInputPort 
-		///// </summary>
-		///// <param name="cardKey">'input-N'</param>
-		///// <returns>null if device, card or port doesn't exist</returns>
-		//public static RoutingInputPort GetDeviceCardPort(string deviceKey, string cardKey, string portKey)
-		//{
-		//    var sourceDev = DeviceManager.GetDeviceForKey(deviceKey) as ICardPortsDevice;
-		//    if (sourceDev == null)
-		//        return null;
-		//    return sourceDev.GetChildInputPort(cardKey, portKey);
-		//}
-	}
-
-	/// <summary>
-	/// A RoutingInputPort for devices like DM-TX and DM input cards. 
-	/// Will provide video statistics on connected signals
-	/// </summary>
-	public class RoutingInputPortWithVideoStatuses : RoutingInputPort
-	{
-		/// <summary>
-		/// Video statuses attached to this port
-		/// </summary>
-		public VideoStatusOutputs VideoStatus { get; private set; }
-
-		/// <summary>
-		/// Constructor 
-		/// </summary>
-		/// <param name="selector">An object used to refer to this port in the IRouting device's ExecuteSwitch method.
-		/// May be string, number, whatever</param>
-		/// <param name="parent">The IRoutingInputs object this lives on</param>
-		/// <param name="funcs">A VideoStatusFuncsWrapper used to assign the callback funcs that will get 
-		/// the values for the various stats</param>
-		public RoutingInputPortWithVideoStatuses(string key, 
-			eRoutingSignalType type, eRoutingPortConnectionType connType, object selector, 
-			IRoutingInputs parent, VideoStatusFuncsWrapper funcs) :
-			base(key, type, connType, selector, parent)
-		{
-			VideoStatus = new VideoStatusOutputs(funcs);		
-		}
-	}
-
-	public class RoutingOutputPort : RoutingPort
-	{
-		/// <summary>
-		/// The IRoutingOutputs object this port lives on
-		/// </summary>
-		public IRoutingOutputs ParentDevice { get; private set; }
-
-		public InUseTracking InUseTracker { get; private set; }
-
-
-		/// <summary>
-		/// </summary>
-		/// <param name="selector">An object used to refer to this port in the IRouting device's ExecuteSwitch method.
-		/// May be string, number, whatever</param>
-		/// <param name="parent">The IRoutingOutputs object this port lives on</param>
-		public RoutingOutputPort(string key, eRoutingSignalType type, eRoutingPortConnectionType connType,
-			object selector, IRoutingOutputs parent)
-			: this(key, type, connType, selector, parent, false)
-		{
-		}
-
-		public RoutingOutputPort(string key, eRoutingSignalType type, eRoutingPortConnectionType connType,
-			object selector, IRoutingOutputs parent, bool isInternal)
-			: base(key, type, connType, selector, isInternal)
-		{
-			if (parent == null)
-				throw new ArgumentNullException("parent");
-			ParentDevice = parent;
-			InUseTracker = new InUseTracking();
-		}
-
-		public override string ToString()
-		{
-			return ParentDevice.Key + ":" + Key;
-		}
-
-		///// <summary>
-		///// Static method to get a named port from a named device
-		///// </summary>
-		///// <returns>Returns null if device or port doesn't exist</returns>
-		//public static RoutingOutputPort GetDevicePort(string deviceKey, string portKey)
-		//{
-		//    var sourceDev = DeviceManager.GetDeviceForKey(deviceKey) as IRoutingOutputs;
-		//    if (sourceDev == null)
-		//        return null;
-		//    var port = sourceDev.OutputPorts[portKey];
-		//    if (port == null)
-		//        Debug.LogMessage(LogEventLevel.Information, "WARNING: Device '{0}' does does not contain output port '{1}'", deviceKey, portKey);
-		//    return port;
-		//}
-
-		///// <summary>
-		///// Static method to get a named port from a card in a named ICardPortsDevice device
-		///// Uses ICardPortsDevice.GetChildOutputPort on that device
-		///// </summary>
-		///// <param name="cardKey">'input-N' or 'output-N'</param>
-		///// <returns>null if device, card or port doesn't exist</returns>
-		//public static RoutingOutputPort GetDeviceCardPort(string deviceKey, string cardKey, string portKey)
-		//{
-		//    var sourceDev = DeviceManager.GetDeviceForKey(deviceKey) as ICardPortsDevice;
-		//    if (sourceDev == null)
-		//        return null;
-		//    var port = sourceDev.GetChildOutputPort(cardKey, portKey);
-		//}
-	}
+        public RoutingPort(string key, eRoutingSignalType type, eRoutingPortConnectionType connType, TSelector selector, bool isInternal)
+        {
+            Key = key;
+            Type = type;
+            ConnectionType = connType;
+            Selector = selector;
+            IsInternal = isInternal;
+        }
+    }*/
 }

src/PepperDash.Essentials.Core/Routing/RoutingPortCollection.cs

@@ -23,4 +23,21 @@ namespace PepperDash.Essentials.Core
 			}
 		}
 	}
+
+/*    /// <summary>
+	/// Basically a List , with an indexer to find ports by key name
+	/// </summary>
+	public class RoutingPortCollection<T, TSelector> : List<T> where T : RoutingPort<TSelector>
+    {
+        /// <summary>
+        /// Case-insensitive port lookup linked to ports' keys
+        /// </summary>
+        public T this[string key]
+        {
+            get
+            {
+                return this.FirstOrDefault(i => i.Key.Equals(key, StringComparison.OrdinalIgnoreCase));
+            }
+        }
+    }*/
 }

src/PepperDash.Essentials.Core/Routing/TieLine.cs

@@ -88,7 +88,7 @@ namespace PepperDash.Essentials.Core
 
 		public override string ToString()
 		{
-			return string.Format("Tie line: [{0}]{1} --> [{2}]{3}", SourcePort.ParentDevice.Key, SourcePort.Key,
+			return string.Format("Tie line: {0}:{1} --> {2}:{3}", SourcePort.ParentDevice.Key, SourcePort.Key,
 				DestinationPort.ParentDevice.Key, DestinationPort.Key);
 		}
 	}

src/PepperDash.Essentials.Core/Routing/TieLineConfig.cs

@@ -30,7 +30,7 @@ namespace PepperDash.Essentials.Core.Config
 		/// <returns>null if config data does not match ports, cards or devices</returns>
 		public TieLine GetTieLine()
 		{
-			Debug.LogMessage(LogEventLevel.Information, "Build TieLine: {0}", this);
+			Debug.LogMessage(LogEventLevel.Information, "Build TieLine: {0}",null, this);
 			// Get the source device
 			var sourceDev = DeviceManager.GetDeviceForKey(SourceKey) as IRoutingOutputs;
 			if (sourceDev == null)
@@ -48,68 +48,29 @@ namespace PepperDash.Essentials.Core.Config
 			}
 
             //Get the source port
-            RoutingOutputPort sourceOutputPort = null;
-            //// If it's a card-based device, get the card and then the source port
-            //if (sourceDev is ICardPortsDevice)
-            //{
-            //    if (SourceCard == null)
-            //    {
-            //        LogError("Card missing from source device config");
-            //        return null;
-            //    }
-            //    sourceOutputPort = (sourceDev as ICardPortsDevice).GetChildOutputPort(SourceCard, SourcePort);
-            //    if (sourceOutputPort == null)
-            //    {
-            //        LogError("Source card does not contain port");
-            //        return null;
-            //    }
-            //}
-            //// otherwise it's a normal port device, get the source port
-            //else
-            //{
-				sourceOutputPort = sourceDev.OutputPorts[SourcePort];
-				if (sourceOutputPort == null)
-				{
-					LogError("Source does not contain port");
-					return null;
-				}
-            //}
+            var sourceOutputPort = sourceDev.OutputPorts[SourcePort];
 
+            if (sourceOutputPort == null)
+			{
+				LogError("Source does not contain port");
+				return null;
+			}
 
-			//Get the Destination port
-			RoutingInputPort destinationInputPort = null;
-            //// If it's a card-based device, get the card and then the Destination port
-            //if (destDev is ICardPortsDevice)
-            //{
-            //    if (DestinationCard == null)
-            //    {
-            //        LogError("Card missing from destination device config");
-            //        return null;
-            //    }
-            //    destinationInputPort = (destDev as ICardPortsDevice).GetChildInputPort(DestinationCard, DestinationPort);
-            //    if (destinationInputPort == null)
-            //    {
-            //        LogError("Destination card does not contain port");
-            //        return null;
-            //    }
-            //}
-            //// otherwise it's a normal port device, get the Destination port
-            //else
-            //{
-				destinationInputPort = destDev.InputPorts[DestinationPort];
-				if (destinationInputPort == null)
+            //Get the Destination port
+            var destinationInputPort = destDev.InputPorts[DestinationPort];
+
+            if (destinationInputPort == null)
 				{
 					LogError("Destination does not contain port");
 					return null;
-				}
-            //}
+				}            
 
 			return new TieLine(sourceOutputPort, destinationInputPort);
 		}
 
 		void LogError(string msg)
 		{
-			Debug.LogMessage(LogEventLevel.Debug, "WARNING: Cannot create tie line: {0}:\r   {1}", msg, this);
+			Debug.LogMessage(LogEventLevel.Error, "WARNING: Cannot create tie line: {message}:\r   {tieLineConfig}",null, msg, this);
 		}
 
 		public override string ToString()

src/PepperDash.Essentials.Core/Routing/eRoutingPortConnectionType.cs

@@ -0,0 +1,8 @@
+namespace PepperDash.Essentials.Core
+{
+    public enum eRoutingPortConnectionType
+	{
+		None, BackplaneOnly, DisplayPort, Dvi, Hdmi, Rgb, Vga, LineAudio, DigitalAudio, Sdi, 
+		Composite, Component, DmCat, DmMmFiber, DmSmFiber, Speaker, Streaming, UsbC, HdBaseT
+	}
+}

src/PepperDash.Essentials.Core/Routing/eRoutingSignalType.cs

@@ -0,0 +1,16 @@
+using System;
+
+
+namespace PepperDash.Essentials.Core
+{
+    [Flags]
+	public enum eRoutingSignalType
+	{
+		Audio = 1,
+		Video = 2,     
+		AudioVideo = Audio | Video,
+        UsbOutput = 8,
+        UsbInput = 16,
+        SecondaryAudio = 32
+	}
+}

src/PepperDash.Essentials.Devices.Common/Audio/GenericAudioOut.cs

@@ -18,6 +18,8 @@ namespace PepperDash.Essentials.Devices.Common
 	/// </summary>
 	public class GenericAudioOut : EssentialsDevice, IRoutingSink
 	{
+        public RoutingInputPort CurrentInputPort => AnyAudioIn;
+
         public event SourceInfoChangeHandler CurrentSourceChange;
 
         public string CurrentSourceInfoKey { get; set; }

src/PepperDash.Essentials.Devices.Common/Displays/DisplayBase.cs

@@ -1,15 +1,15 @@
-using System;
-using System.Collections.Generic;
-using System.Linq;
-using Crestron.SimplSharp;
+using Crestron.SimplSharp;
 using Crestron.SimplSharpPro.DeviceSupport;
+using Newtonsoft.Json;
 using PepperDash.Core;
 using PepperDash.Essentials.Core;
 using PepperDash.Essentials.Core.Bridges;
-using Feedback = PepperDash.Essentials.Core.Feedback;
-using Newtonsoft.Json;
-using PepperDash.Essentials.Core.DeviceTypeInterfaces;
+using PepperDash.Essentials.Core.Routing;
 using Serilog.Events;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using Feedback = PepperDash.Essentials.Core.Feedback;
 
 namespace PepperDash.Essentials.Devices.Common.Displays
 {
@@ -20,6 +20,24 @@ namespace PepperDash.Essentials.Devices.Common.Displays
         , IWarmingCooling
         , IUsageTracking
 	{
+        private RoutingInputPort _currentInputPort;
+        public RoutingInputPort CurrentInputPort
+        {
+            get
+            {
+                return _currentInputPort;
+            }
+
+            protected set
+            {
+                _currentInputPort = value;
+
+                InputChanged?.Invoke(this, _currentInputPort);
+            }
+        }
+
+        public event InputChangedEventHandler InputChanged;
+
         public event SourceInfoChangeHandler CurrentSourceChange;
 
         public string CurrentSourceInfoKey { get; set; }

src/PepperDash.Essentials.Devices.Common/Displays/MockDisplay.cs

@@ -6,6 +6,7 @@ using Crestron.SimplSharpPro.DeviceSupport;
 using PepperDash.Core;
 using PepperDash.Essentials.Core;
 using PepperDash.Essentials.Core.Bridges;
+using PepperDash.Essentials.Core.Config;
 using PepperDash.Essentials.Core.DeviceTypeInterfaces;
 using PepperDash.Essentials.Core.Routing;
 using Serilog.Events;
@@ -139,18 +140,40 @@ namespace PepperDash.Essentials.Devices.Common.Displays
 
 		public override void ExecuteSwitch(object selector)
 		{
-			Debug.LogMessage(LogEventLevel.Verbose, this, "ExecuteSwitch: {0}", selector);
+            try
+            {
+                Debug.LogMessage(LogEventLevel.Verbose, "ExecuteSwitch: {0}", this, selector);
 
-		    if (!_PowerIsOn)
-		    {
-		        PowerOn();
-		    }
+                if (!_PowerIsOn)
+                {
+                    PowerOn();
+                }
 
-			if (!Inputs.Items.TryGetValue(selector.ToString(), out var input))
-				return;
+                if (!Inputs.Items.TryGetValue(selector.ToString(), out var input))
+                    return;
 
-			input.Select();
-		}
+                Debug.LogMessage(LogEventLevel.Verbose, "Selected input: {input}", this, input.Key);
+                input.Select();
+
+                var inputPort = InputPorts.FirstOrDefault(port =>
+                {
+                    Debug.LogMessage(LogEventLevel.Verbose, "Checking input port {inputPort} with selector {portSelector} against {selector}", this, port, port.Selector, selector);
+                    return port.Selector.ToString() == selector.ToString();
+                });
+
+                if (inputPort == null)
+                {
+                    Debug.LogMessage(LogEventLevel.Verbose, "Unable to find input port for selector {selector}", this, selector);                    
+                    return;
+                }
+
+                Debug.LogMessage(LogEventLevel.Verbose, "Setting current input port to {inputPort}", this, inputPort);
+                CurrentInputPort = inputPort;
+            } catch (Exception ex)
+            {
+                Debug.LogMessage(ex, "Error making switch: {Exception}", this);
+            }
+        }
 
         public void SetInput(string selector)
         {
@@ -251,4 +274,18 @@ namespace PepperDash.Essentials.Devices.Common.Displays
 
 
     }
+
+    public class MockDisplay2Factory : EssentialsDeviceFactory<MockDisplay>
+    {
+        public MockDisplay2Factory()
+        {
+            TypeNames = new List<string>() { "mockdisplay2" };
+        }
+
+        public override EssentialsDevice BuildDevice(DeviceConfig dc)
+        {
+            Debug.LogMessage(LogEventLevel.Debug, "Factory Attempting to create new Mock Display Device");
+            return new MockDisplay(dc.Key, dc.Name);
+        }
+    }
 }

src/PepperDash.Essentials.Devices.Common/Generic/GenericSink.cs

@@ -44,6 +44,8 @@ namespace PepperDash.Essentials.Devices.Common.Generic
             }
         }
 
+        public RoutingInputPort CurrentInputPort => InputPorts[0];
+
         public event SourceInfoChangeHandler CurrentSourceChange;
     }
 

src/PepperDash.Essentials.Devices.Common/Generic/GenericSource.cs

@@ -14,7 +14,7 @@ using Serilog.Events;
 
 namespace PepperDash.Essentials.Devices.Common
 {
-	public class GenericSource : EssentialsDevice, IUiDisplayInfo, IRoutingOutputs, IUsageTracking
+	public class GenericSource : EssentialsDevice, IUiDisplayInfo, IRoutingSource, IRoutingOutputs, IUsageTracking
 	{
 
 		public uint DisplayUiType { get { return DisplayUiConstants.TypeNoControls; } }

src/PepperDash.Essentials.Devices.Common/Room/IEssentialsHuddleSpaceRoom.cs

@@ -1,4 +1,5 @@
 using PepperDash.Essentials.Core;
+using PepperDash.Essentials.Core.Routing;
 using PepperDash.Essentials.Room.Config;
 
 namespace PepperDash.Essentials.Devices.Common.Room

src/PepperDash.Essentials.Devices.Common/Room/IEssentialsHuddleVtc1Room.cs

@@ -1,4 +1,5 @@
 using PepperDash.Essentials.Core;
+using PepperDash.Essentials.Core.Routing;
 using PepperDash.Essentials.Devices.Common.AudioCodec;
 using PepperDash.Essentials.Devices.Common.Codec;
 using PepperDash.Essentials.Devices.Common.VideoCodec;

src/PepperDash.Essentials.Devices.Common/SetTopBox/IRSetTopBoxBase.cs

@@ -20,7 +20,7 @@ using Serilog.Events;
 namespace PepperDash.Essentials.Devices.Common
 {
     [Description("Wrapper class for an IR Set Top Box")]
-    public class IRSetTopBoxBase : EssentialsBridgeableDevice, ISetTopBoxControls, IRoutingOutputs, IUsageTracking, IHasPowerControl, ITvPresetsProvider
+    public class IRSetTopBoxBase : EssentialsBridgeableDevice, ISetTopBoxControls, IRoutingSource, IRoutingOutputs, IUsageTracking, IHasPowerControl, ITvPresetsProvider
 	{
 		public IrOutputPortController IrPort { get; private set; }
 

src/PepperDash.Essentials.Devices.Common/SoftCodec/BlueJeansPc.cs

@@ -17,6 +17,8 @@ namespace PepperDash.Essentials.Devices.Common.SoftCodec
 
         public RoutingInputPort AnyVideoIn { get; private set; }
 
+        public RoutingInputPort CurrentInputPort => AnyVideoIn;
+
         #region IRoutingInputs Members
 
         public RoutingPortCollection<RoutingInputPort> InputPorts { get; private set; }
@@ -26,8 +28,10 @@ namespace PepperDash.Essentials.Devices.Common.SoftCodec
         public BlueJeansPc(string key, string name)
             : base(key, name)
         {
-            InputPorts = new RoutingPortCollection<RoutingInputPort>();
-            InputPorts.Add(AnyVideoIn = new RoutingInputPort(RoutingPortNames.AnyVideoIn, eRoutingSignalType.AudioVideo, eRoutingPortConnectionType.None, 0, this));
+            InputPorts = new RoutingPortCollection<RoutingInputPort>
+            {
+                (AnyVideoIn = new RoutingInputPort(RoutingPortNames.AnyVideoIn, eRoutingSignalType.AudioVideo, eRoutingPortConnectionType.None, 0, this))
+            };
         }
 
         #region IRunRouteAction Members

src/PepperDash.Essentials.Devices.Common/SoftCodec/GenericSoftCodec.cs

@@ -2,17 +2,26 @@
 using PepperDash.Core;
 using PepperDash.Essentials.Core;
 using PepperDash.Essentials.Core.Config;
+using PepperDash.Essentials.Core.Routing;
 using Serilog.Events;
-using System;
 using System.Collections.Generic;
 using System.Linq;
-using System.Text;
-using System.Threading.Tasks;
 
 namespace PepperDash.Essentials.Devices.Common.SoftCodec
 {
-    public class GenericSoftCodec : EssentialsDevice, IRoutingSource, IRoutingSink
+    public class GenericSoftCodec : EssentialsDevice, IRoutingSource, IRoutingOutputs, IRoutingSinkWithSwitching
     {
+        private RoutingInputPort _currentInputPort;
+        public RoutingInputPort CurrentInputPort {
+            get => _currentInputPort;
+            set
+            {
+                _currentInputPort = value;
+
+                InputChanged?.Invoke(this, _currentInputPort);
+            }
+        }
+
         public GenericSoftCodec(string key, string name, GenericSoftCodecProperties props) : base(key, name)
         {
             InputPorts = new RoutingPortCollection<RoutingInputPort>();
@@ -27,7 +36,7 @@ namespace PepperDash.Essentials.Devices.Common.SoftCodec
 
             for(var i = 1; i<= props.ContentInputCount; i++)
             {
-                var inputPort = new RoutingInputPort($"{Key}-contentInput{i}", eRoutingSignalType.AudioVideo, eRoutingPortConnectionType.Hdmi, null, this);
+                var inputPort = new RoutingInputPort($"{Key}-contentInput{i}", eRoutingSignalType.AudioVideo, eRoutingPortConnectionType.Hdmi, $"contentInput{i}", this);
 
                 InputPorts.Add(inputPort);
             }
@@ -39,7 +48,7 @@ namespace PepperDash.Essentials.Devices.Common.SoftCodec
 
             for(var i = 1; i <=props.CameraInputCount; i++)
             {
-                var cameraPort = new RoutingInputPort($"{Key}-cameraInput{i}", eRoutingSignalType.Video, eRoutingPortConnectionType.Hdmi, null, this);
+                var cameraPort = new RoutingInputPort($"{Key}-cameraInput{i}", eRoutingSignalType.Video, eRoutingPortConnectionType.Hdmi, $"cameraInput{i}", this);
 
                 InputPorts.Add(cameraPort);
             }
@@ -74,6 +83,20 @@ namespace PepperDash.Essentials.Devices.Common.SoftCodec
         SourceListItem _CurrentSourceInfo;
 
         public event SourceInfoChangeHandler CurrentSourceChange;
+        public event InputChangedEventHandler InputChanged;
+
+        public void ExecuteSwitch(object inputSelector)
+        {
+            var inputPort = InputPorts.FirstOrDefault(p => p.Selector == inputSelector);
+
+            if(inputPort == null)
+            {
+                Debug.LogMessage(LogEventLevel.Warning, "No input port found for selector {inputSelector}", inputSelector);
+                return;
+            }
+
+            CurrentInputPort = inputPort;
+        }
     }
 
     public class GenericSoftCodecProperties

src/PepperDash.Essentials.Devices.Common/Sources/InRoomPc.cs

@@ -8,7 +8,7 @@ using Serilog.Events;
 
 namespace PepperDash.Essentials.Devices.Common.Sources
 {
-	public class InRoomPc : EssentialsDevice, IHasFeedback, IRoutingOutputs, IAttachVideoStatus, IUiDisplayInfo, IUsageTracking
+	public class InRoomPc : EssentialsDevice, IHasFeedback, IRoutingSource, IRoutingOutputs, IAttachVideoStatus, IUiDisplayInfo, IUsageTracking
 	{
 		public uint DisplayUiType { get { return DisplayUiConstants.TypeLaptop; } }
 		public string IconName { get; set; }

src/PepperDash.Essentials.Devices.Common/Sources/Laptop.cs

@@ -8,7 +8,7 @@ using Serilog.Events;
 
 namespace PepperDash.Essentials.Devices.Common.Sources
 {
-    public class Laptop : EssentialsDevice, IHasFeedback, IRoutingOutputs, IAttachVideoStatus, IUiDisplayInfo, IUsageTracking
+    public class Laptop : EssentialsDevice, IHasFeedback, IRoutingSource, IRoutingOutputs, IAttachVideoStatus, IUiDisplayInfo, IUsageTracking
 	{
 		public uint DisplayUiType { get { return DisplayUiConstants.TypeLaptop; } }
 		public string IconName { get; set; }
@@ -29,11 +29,15 @@ namespace PepperDash.Essentials.Devices.Common.Sources
 			: base(key, name)
 		{
 			IconName = "Laptop";
+
 			HasPowerOnFeedback = new BoolFeedback("HasPowerFeedback", 
 				() => this.GetVideoStatuses() != VideoStatusOutputs.NoStatus);
-			OutputPorts = new RoutingPortCollection<RoutingOutputPort>();
-			OutputPorts.Add(AnyVideoOut = new RoutingOutputPort(RoutingPortNames.AnyOut, eRoutingSignalType.Audio | eRoutingSignalType.Video, 
-				eRoutingPortConnectionType.None, 0, this));
+
+			OutputPorts = new RoutingPortCollection<RoutingOutputPort>
+            {
+                (AnyVideoOut = new RoutingOutputPort(RoutingPortNames.AnyOut, eRoutingSignalType.Audio | eRoutingSignalType.Video,
+                eRoutingPortConnectionType.None, 0, this))
+            };
 		}
 
 		#region IHasFeedback Members

src/PepperDash.Essentials.Devices.Common/Streaming/AppleTV.cs

@@ -19,8 +19,9 @@ using Serilog.Events;
 namespace PepperDash.Essentials.Devices.Common
 {
     [Description("Wrapper class for an IR-Controlled AppleTV")]
-	public class AppleTV : EssentialsBridgeableDevice, IDPad, ITransport, IUiDisplayInfo, IRoutingOutputs
-	{
+	public class AppleTV : EssentialsBridgeableDevice, IDPad, ITransport, IUiDisplayInfo, IRoutingSource, IRoutingOutputs
+
+    {
 		public IrOutputPortController IrPort { get; private set; }
         public const string StandardDriverName = "Apple_AppleTV_4th_Gen_Essentials.ir";
 		public uint DisplayUiType { get { return DisplayUiConstants.TypeAppleTv; } }

src/PepperDash.Essentials.Devices.Common/Streaming/Roku.cs

@@ -15,7 +15,7 @@ using Serilog.Events;
 namespace PepperDash.Essentials.Devices.Common
 {
     [Description("Wrapper class for an IR-Controlled Roku")]
-	public class Roku2 : EssentialsDevice, IDPad, ITransport, IUiDisplayInfo, IRoutingOutputs
+	public class Roku2 : EssentialsDevice, IDPad, ITransport, IUiDisplayInfo, IRoutingSource, IRoutingOutputs
 	{
 		[Api]
 		public IrOutputPortController IrPort { get; private set; }

src/PepperDash.Essentials/ControlSystem.cs

@@ -14,6 +14,7 @@ using PepperDash.Essentials.Core.Web;
 using System;
 using System.Linq;
 using Serilog.Events;
+using PepperDash.Essentials.Core.Routing;
 
 namespace PepperDash.Essentials
 {
@@ -386,6 +387,8 @@ namespace PepperDash.Essentials
             // Build the processor wrapper class
             DeviceManager.AddDevice(new Core.Devices.CrestronProcessor("processor"));
 
+            DeviceManager.AddDevice(new RoutingFeedbackManager($"routingFeedbackManager", "Routing Feedback Manager"));
+
             // Add global System Monitor device
             if (CrestronEnvironment.DevicePlatform == eDevicePlatform.Appliance)
             {