Added CSCore.DeviceTopology.

Updated Assembly version.
Added Jack Colour.

CSCore.DeviceTopology/COLORREF.cs

@@ -0,0 +1,37 @@
+using System.Runtime.InteropServices;
+
+namespace CSCore.DeviceTopology
+{
+    [StructLayout(LayoutKind.Explicit, Size = 3)]
+    // ReSharper disable once InconsistentNaming
+    public struct COLORREF
+    {
+        public COLORREF(byte r, byte g, byte b)
+        {
+            Value = 0;
+            R = r;
+            G = g;
+            B = b;
+        }
+
+        public COLORREF(uint value)
+        {
+            R = 0;
+            G = 0;
+            B = 0;
+            Value = value & 0xFFFFFFU;
+        }
+
+        [FieldOffset(0)]
+        public byte B;
+
+        [FieldOffset(1)]
+        public byte G;
+
+        [FieldOffset(2)]
+        public byte R;
+
+        [FieldOffset(0)]
+        public uint Value;
+    }
+}

CSCore.DeviceTopology/CSCore.DeviceTopology.csproj

@@ -0,0 +1,69 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project ToolsVersion="15.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <Import Project="$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props" Condition="Exists('$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props')" />
+  <PropertyGroup>
+    <Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
+    <Platform Condition=" '$(Platform)' == '' ">AnyCPU</Platform>
+    <ProjectGuid>{38A7752A-D14E-4F42-B7A3-91BFE7E059F1}</ProjectGuid>
+    <OutputType>Library</OutputType>
+    <AppDesignerFolder>Properties</AppDesignerFolder>
+    <RootNamespace>CSCore.DeviceTopology</RootNamespace>
+    <AssemblyName>CSCore.DeviceTopology</AssemblyName>
+    <TargetFrameworkVersion>v3.5</TargetFrameworkVersion>
+    <FileAlignment>512</FileAlignment>
+    <TargetFrameworkProfile>Client</TargetFrameworkProfile>
+  </PropertyGroup>
+  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
+    <DebugSymbols>true</DebugSymbols>
+    <DebugType>full</DebugType>
+    <Optimize>false</Optimize>
+    <OutputPath>bin\Debug\</OutputPath>
+    <DefineConstants>DEBUG;TRACE</DefineConstants>
+    <ErrorReport>prompt</ErrorReport>
+    <WarningLevel>4</WarningLevel>
+  </PropertyGroup>
+  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' ">
+    <DebugType>pdbonly</DebugType>
+    <Optimize>true</Optimize>
+    <OutputPath>bin\Release\</OutputPath>
+    <DefineConstants>TRACE</DefineConstants>
+    <ErrorReport>prompt</ErrorReport>
+    <WarningLevel>4</WarningLevel>
+  </PropertyGroup>
+  <ItemGroup>
+    <Reference Include="CSCore, Version=1.2.1.2, Culture=neutral, PublicKeyToken=5a08f2b6f4415dea, processorArchitecture=MSIL">
+      <HintPath>..\packages\CSCore.1.2.1.2\lib\net35-client\CSCore.dll</HintPath>
+    </Reference>
+    <Reference Include="System" />
+    <Reference Include="System.Core" />
+    <Reference Include="System.Xml.Linq" />
+    <Reference Include="System.Data.DataSetExtensions" />
+    <Reference Include="System.Data" />
+    <Reference Include="System.Xml" />
+  </ItemGroup>
+  <ItemGroup>
+    <Compile Include="COLORREF.cs" />
+    <Compile Include="ExtensionMethods\ConnectorExtensions.cs" />
+    <Compile Include="ConnectorType.cs" />
+    <Compile Include="ExtensionMethods\DeviceTopologyExtensions.cs" />
+    <Compile Include="ExtensionMethods\JackDescriptionExtensions.cs" />
+    <Compile Include="IConnector.cs" />
+    <Compile Include="IControlChangeNotify.cs" />
+    <Compile Include="IControlInterface.cs" />
+    <Compile Include="IDeviceTopology.cs" />
+    <Compile Include="IKsJackDescription.cs" />
+    <Compile Include="IPart.cs" />
+    <Compile Include="IPartsList.cs" />
+    <Compile Include="ISubunit.cs" />
+    <Compile Include="ExtensionMethods\PartExtensions.cs" />
+    <Compile Include="KSJACK_DESCRIPTION.cs" />
+    <Compile Include="ExtensionMethods\MMDeviceExtensions.cs" />
+    <Compile Include="PartType.cs" />
+    <Compile Include="Properties\AssemblyInfo.cs" />
+  </ItemGroup>
+  <ItemGroup>
+    <None Include="packages.config" />
+  </ItemGroup>
+  <ItemGroup />
+  <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
+</Project>

CSCore.DeviceTopology/ConnectorType.cs

@@ -0,0 +1,19 @@
+namespace CSCore.DeviceTopology
+{
+    public enum ConnectorType
+    {
+        // ReSharper disable InconsistentNaming
+        Unknown_Connector,
+
+        Physical_Internal,
+
+        Physical_External,
+
+        Software_IO,
+
+        Software_Fixed,
+
+        Network
+        // ReSharper restore InconsistentNaming
+    }
+}

CSCore.DeviceTopology/ExtensionMethods/ConnectorExtensions.cs

@@ -0,0 +1,16 @@
+namespace CSCore.DeviceTopology.ExtensionMethods
+{
+    public static class ConnectorExtensions
+    {
+        public static IConnector GetConnectedTo(this IConnector connector)
+        {
+            connector.GetConnectedTo(out var resultConnector);
+            return resultConnector;
+        }
+        public static IPart GetConnectedToAsPart(this IConnector connector)
+        {
+            // ReSharper disable once SuspiciousTypeConversion.Global
+            return connector.GetConnectedTo() as IPart;
+        }
+    }
+}

CSCore.DeviceTopology/ExtensionMethods/DeviceTopologyExtensions.cs

@@ -0,0 +1,11 @@
+namespace CSCore.DeviceTopology.ExtensionMethods
+{
+    public static class DeviceTopologyExtensions
+    {
+        public static IConnector GetConnector(this IDeviceTopology deviceTopology)
+        {
+            deviceTopology.GetConnector(0, out var resultConnector);
+            return resultConnector;
+        }
+    }
+}

CSCore.DeviceTopology/ExtensionMethods/JackDescriptionExtensions.cs

@@ -0,0 +1,20 @@
+using System;
+
+namespace CSCore.DeviceTopology.ExtensionMethods
+{
+    public static class JackDescriptionExtensions
+    {
+        public static uint GetJackCount(this IKsJackDescription ksJackDescription)
+        {
+            ksJackDescription.GetJackCount(out var count);
+
+            return count;
+        }
+
+        public static KSJACK_DESCRIPTION GetJackDescription(this IKsJackDescription ksJackDescription, uint index)
+        {
+            ksJackDescription.GetJackDescription(index, out var ksjackDescription);
+            return ksjackDescription;
+        }
+    }
+}

CSCore.DeviceTopology/ExtensionMethods/MMDeviceExtensions.cs

@@ -0,0 +1,122 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Runtime.InteropServices;
+using CSCore.CoreAudioAPI;
+using CSCore.Win32;
+
+namespace CSCore.DeviceTopology.ExtensionMethods
+{
+    // ReSharper disable once InconsistentNaming
+    public static class MMDeviceExtensions
+    {
+        public static IDeviceTopology DeviceTopology(this IMMDevice device)
+        {
+            var attribute = typeof(IDeviceTopology).GetCustomAttributes(typeof(GuidAttribute), true).Cast<GuidAttribute>().FirstOrDefault();
+
+            if (attribute == null)
+            {
+                return null;
+            }
+
+            device.Activate(new Guid(attribute.Value), CLSCTX.CLSCTX_ALL, IntPtr.Zero, out var pInterface);
+
+            return Marshal.GetObjectForIUnknown(pInterface) as IDeviceTopology;
+        }
+
+        public static IDeviceTopology DeviceTopology(this MMDevice device)
+        {
+            var attribute = typeof(IDeviceTopology).GetCustomAttributes(typeof(GuidAttribute), true).Cast<GuidAttribute>().FirstOrDefault();
+
+            if (attribute == null)
+            {
+                return null;
+            }
+
+            var pInterface = device.Activate(new Guid(attribute.Value), CLSCTX.CLSCTX_ALL, IntPtr.Zero);
+
+            return Marshal.GetObjectForIUnknown(pInterface) as IDeviceTopology;
+        }
+
+        public static IEnumerable<KSJACK_DESCRIPTION> GetJackDescriptions(this IMMDevice device)
+        {
+            try
+            {
+                var deviceTopology = device.DeviceTopology();
+
+                var connector = deviceTopology.GetConnector();
+
+                var part = connector.GetConnectedToAsPart();
+
+                var jackDescription = part.KsJackDescription();
+
+                if (jackDescription == null)
+                {
+                    return null;
+                }
+
+                jackDescription.GetJackCount(out var conCount);
+
+                if (conCount <= 0)
+                {
+                    return null;
+                }
+
+                var result = new List<KSJACK_DESCRIPTION>();
+
+                for (uint index = 0; index < conCount; index++)
+                {
+                    result.Add(jackDescription.GetJackDescription(index));
+                }
+
+                return result;
+            }
+            catch
+            {
+                return null;
+            }
+
+        }
+
+
+        public static IEnumerable<KSJACK_DESCRIPTION> GetJackDescriptions(this MMDevice device)
+        {
+            try
+            {
+                var deviceTopology = device.DeviceTopology();
+
+                var connector = deviceTopology.GetConnector();
+
+                var part = connector.GetConnectedToAsPart();
+
+                var jackDescription = part.KsJackDescription();
+
+                if (jackDescription == null)
+                {
+                    return null;
+                }
+
+                jackDescription.GetJackCount(out var conCount);
+
+                if (conCount <= 0)
+                {
+                    return null;
+                }
+
+                var result = new List<KSJACK_DESCRIPTION>();
+
+                for (uint index = 0; index < conCount; index++)
+                {
+                    result.Add(jackDescription.GetJackDescription(index));
+                }
+
+                return result;
+            }
+            catch
+            {
+                return null;
+            }
+
+        }
+    }
+}

CSCore.DeviceTopology/ExtensionMethods/PartExtensions.cs

@@ -0,0 +1,26 @@
+using CSCore.Win32;
+using System;
+using System.Linq;
+using System.Runtime.InteropServices;
+
+namespace CSCore.DeviceTopology.ExtensionMethods
+{
+    public static class PartExtensions
+    {
+        public static IKsJackDescription KsJackDescription(this IPart part)
+        {
+            var attribute = typeof(IKsJackDescription).GetCustomAttributes(typeof(GuidAttribute), true).Cast<GuidAttribute>().FirstOrDefault();
+
+            if (attribute == null)
+            {
+                return null;
+            }
+
+            var iidKsJackDescription = new Guid(attribute.Value);
+
+            part.Activate((uint)CLSCTX.CLSCTX_INPROC_SERVER, ref iidKsJackDescription, out var instancePtr);
+
+            return instancePtr as IKsJackDescription;
+        }
+    }
+}

CSCore.DeviceTopology/IConnector.cs

@@ -0,0 +1,46 @@
+using System.Runtime.InteropServices;
+using CSCore.CoreAudioAPI;
+
+namespace CSCore.DeviceTopology
+{
+    [Guid("9c2c4058-23f5-41de-877a-df3af236a09e")]
+    [InterfaceType(ComInterfaceType.InterfaceIsIUnknown)]
+    public interface IConnector
+    {
+        [PreserveSig]
+        int GetType(
+            [Out] [MarshalAs(UnmanagedType.I4)] out ConnectorType connectorType);
+
+        [PreserveSig]
+        int GetDataFlow(
+            [Out] [MarshalAs(UnmanagedType.I4)] out DataFlow dataFlow);
+
+        [PreserveSig]
+        int ConnectTo(
+            [In] [MarshalAs(UnmanagedType.Interface)]
+            IConnector connector);
+
+        [PreserveSig]
+        int Disconnect();
+
+        [PreserveSig]
+        int IsConnected(
+            [Out] [MarshalAs(UnmanagedType.Bool)] out bool isConnected);
+
+        [PreserveSig]
+        int GetConnectedTo(
+            [Out] [MarshalAs(UnmanagedType.Interface)]
+            out IConnector connector);
+
+        [PreserveSig]
+        int GetConnectorIdConnectedTo(
+            [Out] [MarshalAs(UnmanagedType.LPWStr)]
+            out string connectorId);
+
+        [PreserveSig]
+        int GetDeviceIdConnectedTo(
+            [Out] [MarshalAs(UnmanagedType.LPWStr)]
+            out string deviceId);
+
+    }
+}