feat(AudioSwitching): Add support for Windows 11

Fixes #797
Fixes #548

Author: Belphemur

SoundSwitch.Audio.Manager/Interop/Factory/AudioPolicyConfigFactory.cs

@@ -1,17 +1,28 @@
-using SoundSwitch.Audio.Manager.Interop.Com.Base;
+using System;
+using SoundSwitch.Audio.Manager.Interop.Com.Base;
 using SoundSwitch.Audio.Manager.Interop.Interface.Policy.Extended;
 using WinRT;
 
 namespace SoundSwitch.Audio.Manager.Interop.Factory
 {
     internal sealed class AudioPolicyConfigFactory
     {
+        private const int OS_21H2_VERSION = 21390;
+
         public static IAudioPolicyConfigFactory Create()
         {
-            var iid = GuidGenerator.CreateIID(typeof(IAudioPolicyConfigFactory));
             using var name = HSTRING.FromString("Windows.Media.Internal.AudioPolicyConfig");
+
+            if (Environment.OSVersion.Version.Build >= OS_21H2_VERSION)
+            {
+                var iid21H2 = GuidGenerator.CreateIID(typeof(IAudioPolicyConfigFactoryVariant21H2Windows11));
+                ComBase.RoGetActivationFactory(name, ref iid21H2, out object factory21H2);
+                return factory21H2.As<IAudioPolicyConfigFactoryVariant21H2Windows11>();
+            }
+
+            var iid = GuidGenerator.CreateIID(typeof(IAudioPolicyConfigFactoryWindows10Pre21H2));
             ComBase.RoGetActivationFactory(name, ref iid, out object factory);
-            return factory.As<IAudioPolicyConfigFactory>();
+            return factory.As<IAudioPolicyConfigFactoryWindows10Pre21H2>();
         }
     }
 }

SoundSwitch.Audio.Manager/Interop/Interface/Policy/Extended/IAudioPolicyConfigFactory.cs

@@ -5,10 +5,51 @@
 
 namespace SoundSwitch.Audio.Manager.Interop.Interface.Policy.Extended
 {
+    public interface IAudioPolicyConfigFactory
+    {
+        HRESULT SetPersistedDefaultAudioEndpoint(uint processId, EDataFlow flow, ERole role, HSTRING deviceId);
+        HRESULT GetPersistedDefaultAudioEndpoint(uint processId, EDataFlow flow, ERole role, [Out, MarshalAs(UnmanagedType.HString)] out HSTRING deviceId);
+        HRESULT ClearAllPersistedApplicationDefaultEndpoints();
+    }
+
+    [Guid("ab3d4648-e242-459f-b02f-541c70306324")]
+    [InterfaceType(ComInterfaceType.InterfaceIsIInspectable)]
+    public interface IAudioPolicyConfigFactoryVariant21H2Windows11 : IAudioPolicyConfigFactory
+    {
+        int __incomplete__add_CtxVolumeChange();
+        int __incomplete__remove_CtxVolumeChanged();
+        int __incomplete__add_RingerVibrateStateChanged();
+        int __incomplete__remove_RingerVibrateStateChange();
+        int __incomplete__SetVolumeGroupGainForId();
+        int __incomplete__GetVolumeGroupGainForId();
+        int __incomplete__GetActiveVolumeGroupForEndpointId();
+        int __incomplete__GetVolumeGroupsForEndpoint();
+        int __incomplete__GetCurrentVolumeContext();
+        int __incomplete__SetVolumeGroupMuteForId();
+        int __incomplete__GetVolumeGroupMuteForId();
+        int __incomplete__SetRingerVibrateState();
+        int __incomplete__GetRingerVibrateState();
+        int __incomplete__SetPreferredChatApplication();
+        int __incomplete__ResetPreferredChatApplication();
+        int __incomplete__GetPreferredChatApplication();
+        int __incomplete__GetCurrentChatApplications();
+        int __incomplete__add_ChatContextChanged();
+        int __incomplete__remove_ChatContextChanged();
+
+        [PreserveSig]
+        HRESULT SetPersistedDefaultAudioEndpoint(uint processId, EDataFlow flow, ERole role, HSTRING deviceId);
+
+        [PreserveSig]
+        HRESULT GetPersistedDefaultAudioEndpoint(uint processId, EDataFlow flow, ERole role, [Out, MarshalAs(UnmanagedType.HString)] out HSTRING deviceId);
+
+        [PreserveSig]
+        HRESULT ClearAllPersistedApplicationDefaultEndpoints();
+    }
+
     [Guid("2a59116d-6c4f-45e0-a74f-707e3fef9258")]
-    [InterfaceType(ComInterfaceType.InterfaceIsIUnknown)]
+    [InterfaceType(ComInterfaceType.InterfaceIsIInspectable)]
     [ComImport]
-    public interface IAudioPolicyConfigFactory
+    public interface IAudioPolicyConfigFactoryWindows10Pre21H2 : IAudioPolicyConfigFactory
     {
         void GetIids(out int iidCount, out IntPtr iids);
         void GetRuntimeClassName(out IntPtr className);
@@ -33,10 +74,13 @@ public interface IAudioPolicyConfigFactory
         int __incomplete__GetCurrentChatApplications();
         int __incomplete__add_ChatContextChanged();
         int __incomplete__remove_ChatContextChanged();
+
         [PreserveSig]
         HRESULT SetPersistedDefaultAudioEndpoint([In] uint processId, [In] EDataFlow flow, [In] ERole role, [In] HSTRING deviceId);
+
         [PreserveSig]
         HRESULT GetPersistedDefaultAudioEndpoint([In] uint processId, [In] EDataFlow flow, [In] ERole role, [Out] out HSTRING deviceId);
+
         [PreserveSig]
         HRESULT ClearAllPersistedApplicationDefaultEndpoints();
     }

SoundSwitch.Audio.Manager/SoundSwitch.Audio.Manager.csproj

@@ -7,7 +7,7 @@
     <Configurations>Debug;Release;Nightly</Configurations>
     <Platforms>AnyCPU</Platforms>
     <AssemblyTitle>SoundSwitch.Audio.Manager</AssemblyTitle>
-    <Version>3.2.1</Version>
+    <Version>4.0.0</Version>
   </PropertyGroup>
   <ItemGroup>
     <PackageReference Include="Microsoft.CSharp" Version="4.7.0" />