fix: Fix TTS COM exception in IL2CPP

Assets/Cryville.EEW.Unity/Cryville.EEW.Unity.asmdef

@@ -3,6 +3,7 @@
     "rootNamespace": "",
     "references": [
         "GUID:b92f9c7ac10b1c04e86fc48210f62ab1",
+        "GUID:1e0937e40dadba24a97b7342c4559580",
         "GUID:e5b7e7f40a80a814ba706299d68f9213",
         "GUID:da293eebbcb9a4947a212534c52d1a32"
     ],

Assets/Cryville.EEW.Unity/TTSWorker.cs

@@ -6,7 +6,7 @@ using System.Threading.Tasks;
 
 namespace Cryville.EEW.Unity {
 	class TTSWorker : Core.Audio.TTSWorker {
-		readonly SpVoiceClass _voice;
+		readonly ISpVoice _voice;
 
 		public TTSWorker() : base(CreateSoundPlayer()) {
 			try {
@@ -34,14 +34,15 @@ namespace Cryville.EEW.Unity {
 			if (_voice == null) return Task.CompletedTask;
 			_voice.Speak(
 				string.Format(CultureInfo.InvariantCulture, "<LANG LANGID=\"{0:x}\">{1}</LANG>", culture.LCID, content),
-				SpeechVoiceSpeakFlags.SVSFlagsAsync | SpeechVoiceSpeakFlags.SVSFPurgeBeforeSpeak
+				(uint)(SpeechVoiceSpeakFlags.SVSFlagsAsync | SpeechVoiceSpeakFlags.SVSFPurgeBeforeSpeak),
+				out _
 			);
 			return Task.CompletedTask;
 		}
 
 		protected override void StopCurrent() {
 			if (_voice == null) return;
-			_voice.Skip("SENTENCE", int.MaxValue);
+			_voice.Skip("SENTENCE", int.MaxValue, out _);
 		}
 	}
 }

Assets/Plugins/Windows/Interop.SpeechLib.dll.meta

@@ -1,76 +0,0 @@
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-guid: 17df7db50754b8f459aa29934b507000
-PluginImporter:
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-  serializedVersion: 2
-  iconMap: {}
-  executionOrder: {}
-  defineConstraints: []
-  isPreloaded: 0
-  isOverridable: 0
-  isExplicitlyReferenced: 0
-  validateReferences: 1
-  platformData:
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-        Exclude Linux64: 1
-        Exclude OSXUniversal: 1
-        Exclude Win: 0
-        Exclude Win64: 0
-  - first:
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-    second:
-      enabled: 0
-      settings:
-        CPU: ARMv7
-  - first:
-      Any: 
-    second:
-      enabled: 0
-      settings: {}
-  - first:
-      Editor: Editor
-    second:
-      enabled: 1
-      settings:
-        CPU: AnyCPU
-        DefaultValueInitialized: true
-        OS: AnyOS
-  - first:
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-    second:
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Assets/Plugins/Windows/Interop.SpeechLib.meta

@@ -0,0 +1,8 @@
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+guid: 33ce0e71590119e4f803932e358b4593
+folderAsset: yes
+DefaultImporter:
+  externalObjects: {}
+  userData: 
+  assetBundleName: 
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Assets/Plugins/Windows/Interop.SpeechLib/EnumeratorToEnumVariantMarshaler.cs

@@ -0,0 +1,102 @@
+using System;
+using System.Collections;
+using System.Runtime.CompilerServices;
+using System.Runtime.InteropServices;
+
+namespace SpeechLib {
+	/// <summary>Marshals the COM <see langword="IEnumVARIANT" /> interface to the .NET Framework <see cref="T:System.Collections.IEnumerator" /> interface, and vice versa.</summary>
+	public class EnumeratorToEnumVariantMarshaler : ICustomMarshaler {
+		[ComImport]
+		[Guid("00020404-0000-0000-C000-000000000046")]
+		[InterfaceType(ComInterfaceType.InterfaceIsIUnknown)]
+		private interface IEnumVARIANT {
+			[MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
+			void Next(int celt, [MarshalAs(UnmanagedType.Struct)] out object rgvar, out uint pceltFetched);
+
+			[MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
+			void Skip(uint celt);
+
+			[MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
+			void Reset();
+
+			[MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
+			[return: MarshalAs(UnmanagedType.Interface)]
+			IEnumVARIANT Clone();
+		}
+
+		private class VARIANTEnumerator : IEnumerator {
+			private IEnumVARIANT com_enum;
+
+			private object current;
+
+			public object Current => current;
+
+			public VARIANTEnumerator(IEnumVARIANT com_enum) {
+				this.com_enum = com_enum;
+			}
+
+			public bool MoveNext() {
+				uint pceltFetched = 0u;
+				com_enum.Next(1, out var rgvar, out pceltFetched);
+				if (pceltFetched == 0) {
+					return false;
+				}
+				current = rgvar;
+				return true;
+			}
+
+			public void Reset() {
+				com_enum.Reset();
+			}
+		}
+
+		private static EnumeratorToEnumVariantMarshaler instance;
+
+		/// <summary>Performs necessary cleanup of the managed data when it is no longer needed.</summary>
+		/// <param name="pManagedObj">The managed object to be destroyed.</param>
+		public void CleanUpManagedData(object pManagedObj) {
+			throw new NotImplementedException();
+		}
+
+		/// <summary>Performs necessary cleanup of the unmanaged data when it is no longer needed.</summary>
+		/// <param name="pNativeData">A pointer to the unmanaged data to be destroyed.</param>
+		public void CleanUpNativeData(IntPtr pNativeData) {
+			Marshal.Release(pNativeData);
+		}
+
+		/// <summary>Returns an instance of the custom marshaler.</summary>
+		/// <param name="pstrCookie">String "cookie" parameter that can be used by the custom marshaler.</param>
+		/// <returns>An instance of the custom marshaler.</returns>
+		public static ICustomMarshaler GetInstance(string pstrCookie) {
+			if (instance == null) {
+				instance = new EnumeratorToEnumVariantMarshaler();
+			}
+			return instance;
+		}
+
+		/// <summary>Returns the size in bytes of the unmanaged data to be marshaled.</summary>
+		/// <returns>-1 to indicate the type this marshaler handles is not a value type.</returns>
+		public int GetNativeDataSize() {
+			throw new NotImplementedException();
+		}
+
+		/// <summary>Marshals an object from managed code to unmanaged code.</summary>
+		/// <param name="pManagedObj">The managed object to be converted.</param>
+		/// <returns>A pointer to the unmanaged object.</returns>
+		/// <exception cref="T:System.ArgumentNullException">
+		///   <paramref name="pManagedObj" /> is <see langword="null" />.</exception>
+		public IntPtr MarshalManagedToNative(object pManagedObj) {
+			throw new NotImplementedException();
+		}
+
+		/// <summary>Marshals an object from unmanaged code to managed code.</summary>
+		/// <param name="pNativeData">A pointer to the unmanaged object to be converted.</param>
+		/// <returns>A managed object.</returns>
+		/// <exception cref="T:System.ArgumentNullException">
+		///   <paramref name="pNativeData" /> is <see langword="null" />.</exception>
+		/// <exception cref="T:System.InvalidCastException">The unmanaged object that <paramref name="pNativeData" /> points to could not be converted.</exception>
+		public object MarshalNativeToManaged(IntPtr pNativeData) {
+			return new VARIANTEnumerator((IEnumVARIANT)Marshal.GetObjectForIUnknown(pNativeData));
+		}
+	}
+}

Assets/Plugins/Windows/Interop.SpeechLib/EnumeratorToEnumVariantMarshaler.cs.meta

@@ -0,0 +1,11 @@
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+MonoImporter:
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Assets/Plugins/Windows/Interop.SpeechLib/IEnumSpObjectTokens.cs

@@ -0,0 +1,29 @@
+using System;
+using System.Runtime.CompilerServices;
+using System.Runtime.InteropServices;
+
+namespace SpeechLib {
+	[ComImport]
+	[InterfaceType(1)]
+	[Guid("06B64F9E-7FDA-11D2-B4F2-00C04F797396")]
+	[TypeLibType(512)]
+	public interface IEnumSpObjectTokens {
+		[MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
+		void Next([In] uint celt, [MarshalAs(UnmanagedType.Interface)] out ISpObjectToken pelt, out uint pceltFetched);
+
+		[MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
+		void Skip([In] uint celt);
+
+		[MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
+		void Reset();
+
+		[MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
+		void Clone([MarshalAs(UnmanagedType.Interface)] out SpMMAudioEnum ppEnum);
+
+		[MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
+		void Item([In] uint Index, [MarshalAs(UnmanagedType.Interface)] out ISpObjectToken ppToken);
+
+		[MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
+		void GetCount(out uint pCount);
+	}
+}

Assets/Plugins/Windows/Interop.SpeechLib/IEnumSpObjectTokens.cs.meta

@@ -0,0 +1,11 @@
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Assets/Plugins/Windows/Interop.SpeechLib/ISpDataKey.cs

@@ -0,0 +1,47 @@
+using System;
+using System.Runtime.CompilerServices;
+using System.Runtime.InteropServices;
+
+namespace SpeechLib {
+	[ComImport]
+	[TypeLibType(512)]
+	[Guid("14056581-E16C-11D2-BB90-00C04F8EE6C0")]
+	[InterfaceType(1)]
+	public interface ISpDataKey {
+		[MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
+		void SetData([In][MarshalAs(UnmanagedType.LPWStr)] string pszValueName, [In] uint cbData, [In] ref byte pData);
+
+		[MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
+		void GetData([In][MarshalAs(UnmanagedType.LPWStr)] string pszValueName, [In] ref uint pcbData, out byte pData);
+
+		[MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
+		void SetStringValue([In][MarshalAs(UnmanagedType.LPWStr)] string pszValueName, [In][MarshalAs(UnmanagedType.LPWStr)] string pszValue);
+
+		[MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
+		void GetStringValue([In][MarshalAs(UnmanagedType.LPWStr)] string pszValueName, [MarshalAs(UnmanagedType.LPWStr)] out string ppszValue);
+
+		[MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
+		void SetDWORD([In][MarshalAs(UnmanagedType.LPWStr)] string pszValueName, [In] uint dwValue);
+
+		[MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
+		void GetDWORD([In][MarshalAs(UnmanagedType.LPWStr)] string pszValueName, out uint pdwValue);
+
+		[MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
+		void OpenKey([In][MarshalAs(UnmanagedType.LPWStr)] string pszSubKeyName, [MarshalAs(UnmanagedType.Interface)] out ISpDataKey ppSubKey);
+
+		[MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
+		void CreateKey([In][MarshalAs(UnmanagedType.LPWStr)] string pszSubKey, [MarshalAs(UnmanagedType.Interface)] out ISpDataKey ppSubKey);
+
+		[MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
+		void DeleteKey([In][MarshalAs(UnmanagedType.LPWStr)] string pszSubKey);
+
+		[MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
+		void DeleteValue([In][MarshalAs(UnmanagedType.LPWStr)] string pszValueName);
+
+		[MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
+		void EnumKeys([In] uint Index, [MarshalAs(UnmanagedType.LPWStr)] out string ppszSubKeyName);
+
+		[MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
+		void EnumValues([In] uint Index, [MarshalAs(UnmanagedType.LPWStr)] out string ppszValueName);
+	}
+}

Assets/Plugins/Windows/Interop.SpeechLib/ISpDataKey.cs.meta

@@ -0,0 +1,11 @@
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Assets/Plugins/Windows/Interop.SpeechLib/ISpEventSource.cs

@@ -0,0 +1,41 @@
+using System;
+using System.Runtime.CompilerServices;
+using System.Runtime.InteropServices;
+
+namespace SpeechLib {
+	[ComImport]
+	[InterfaceType(1)]
+	[Guid("BE7A9CCE-5F9E-11D2-960F-00C04F8EE628")]
+	[TypeLibType(512)]
+	public interface ISpEventSource : ISpNotifySource {
+		[MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
+		new void SetNotifySink([In][MarshalAs(UnmanagedType.Interface)] ISpNotifySink pNotifySink);
+
+		[MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
+		new void SetNotifyWindowMessage([In][ComAliasName("SpeechLib.wireHWND")] ref _RemotableHandle hWnd, [In] uint Msg, [In][ComAliasName("SpeechLib.UINT_PTR")] ulong wParam, [In][ComAliasName("SpeechLib.LONG_PTR")] long lParam);
+
+		[MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
+		new void SetNotifyCallbackFunction([In] ref IntPtr pfnCallback, [In][ComAliasName("SpeechLib.UINT_PTR")] ulong wParam, [In][ComAliasName("SpeechLib.LONG_PTR")] long lParam);
+
+		[MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
+		new void SetNotifyCallbackInterface([In] ref IntPtr pSpCallback, [In][ComAliasName("SpeechLib.UINT_PTR")] ulong wParam, [In][ComAliasName("SpeechLib.LONG_PTR")] long lParam);
+
+		[MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
+		new void SetNotifyWin32Event();
+
+		[MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
+		new void WaitForNotifyEvent([In] uint dwMilliseconds);
+
+		[MethodImpl(MethodImplOptions.PreserveSig | MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
+		new IntPtr GetNotifyEventHandle();
+
+		[MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
+		void SetInterest([In] ulong ullEventInterest, [In] ulong ullQueuedInterest);
+
+		[MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
+		void GetEvents([In] uint ulCount, out SPEVENT pEventArray, out uint pulFetched);
+
+		[MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
+		void GetInfo(out SPEVENTSOURCEINFO pInfo);
+	}
+}

Assets/Plugins/Windows/Interop.SpeechLib/ISpEventSource.cs.meta

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Assets/Plugins/Windows/Interop.SpeechLib/ISpNotifySink.cs

@@ -0,0 +1,14 @@
+using System;
+using System.Runtime.CompilerServices;
+using System.Runtime.InteropServices;
+
+namespace SpeechLib {
+	[ComImport]
+	[TypeLibType(512)]
+	[Guid("259684DC-37C3-11D2-9603-00C04F8EE628")]
+	[InterfaceType(1)]
+	public interface ISpNotifySink {
+		[MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
+		void Notify();
+	}
+}

Assets/Plugins/Windows/Interop.SpeechLib/ISpNotifySink.cs.meta

@@ -0,0 +1,11 @@
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Assets/Plugins/Windows/Interop.SpeechLib/ISpNotifySource.cs

@@ -0,0 +1,32 @@
+using System;
+using System.Runtime.CompilerServices;
+using System.Runtime.InteropServices;
+
+namespace SpeechLib {
+	[ComImport]
+	[TypeLibType(512)]
+	[InterfaceType(1)]
+	[Guid("5EFF4AEF-8487-11D2-961C-00C04F8EE628")]
+	public interface ISpNotifySource {
+		[MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
+		void SetNotifySink([In][MarshalAs(UnmanagedType.Interface)] ISpNotifySink pNotifySink);
+
+		[MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
+		void SetNotifyWindowMessage([In][ComAliasName("SpeechLib.wireHWND")] ref _RemotableHandle hWnd, [In] uint Msg, [In][ComAliasName("SpeechLib.UINT_PTR")] ulong wParam, [In][ComAliasName("SpeechLib.LONG_PTR")] long lParam);
+
+		[MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
+		void SetNotifyCallbackFunction([In] ref IntPtr pfnCallback, [In][ComAliasName("SpeechLib.UINT_PTR")] ulong wParam, [In][ComAliasName("SpeechLib.LONG_PTR")] long lParam);
+
+		[MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
+		void SetNotifyCallbackInterface([In] ref IntPtr pSpCallback, [In][ComAliasName("SpeechLib.UINT_PTR")] ulong wParam, [In][ComAliasName("SpeechLib.LONG_PTR")] long lParam);
+
+		[MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
+		void SetNotifyWin32Event();
+
+		[MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
+		void WaitForNotifyEvent([In] uint dwMilliseconds);
+
+		[MethodImpl(MethodImplOptions.PreserveSig | MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
+		IntPtr GetNotifyEventHandle();
+	}
+}

Assets/Plugins/Windows/Interop.SpeechLib/ISpNotifySource.cs.meta

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Assets/Plugins/Windows/Interop.SpeechLib/ISpObjectToken.cs

@@ -0,0 +1,77 @@
+using System;
+using System.Runtime.CompilerServices;
+using System.Runtime.InteropServices;
+
+namespace SpeechLib {
+	[ComImport]
+	[Guid("14056589-E16C-11D2-BB90-00C04F8EE6C0")]
+	[TypeLibType(512)]
+	[InterfaceType(1)]
+	public interface ISpObjectToken : ISpDataKey {
+		[MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
+		new void SetData([In][MarshalAs(UnmanagedType.LPWStr)] string pszValueName, [In] uint cbData, [In] ref byte pData);
+
+		[MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
+		new void GetData([In][MarshalAs(UnmanagedType.LPWStr)] string pszValueName, [In] ref uint pcbData, out byte pData);
+
+		[MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
+		new void SetStringValue([In][MarshalAs(UnmanagedType.LPWStr)] string pszValueName, [In][MarshalAs(UnmanagedType.LPWStr)] string pszValue);
+
+		[MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
+		new void GetStringValue([In][MarshalAs(UnmanagedType.LPWStr)] string pszValueName, [MarshalAs(UnmanagedType.LPWStr)] out string ppszValue);
+
+		[MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
+		new void SetDWORD([In][MarshalAs(UnmanagedType.LPWStr)] string pszValueName, [In] uint dwValue);
+
+		[MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
+		new void GetDWORD([In][MarshalAs(UnmanagedType.LPWStr)] string pszValueName, out uint pdwValue);
+
+		[MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
+		new void OpenKey([In][MarshalAs(UnmanagedType.LPWStr)] string pszSubKeyName, [MarshalAs(UnmanagedType.Interface)] out ISpDataKey ppSubKey);
+
+		[MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
+		new void CreateKey([In][MarshalAs(UnmanagedType.LPWStr)] string pszSubKey, [MarshalAs(UnmanagedType.Interface)] out ISpDataKey ppSubKey);
+
+		[MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
+		new void DeleteKey([In][MarshalAs(UnmanagedType.LPWStr)] string pszSubKey);
+
+		[MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
+		new void DeleteValue([In][MarshalAs(UnmanagedType.LPWStr)] string pszValueName);
+
+		[MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
+		new void EnumKeys([In] uint Index, [MarshalAs(UnmanagedType.LPWStr)] out string ppszSubKeyName);
+
+		[MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
+		new void EnumValues([In] uint Index, [MarshalAs(UnmanagedType.LPWStr)] out string ppszValueName);
+
+		[MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
+		void SetId([MarshalAs(UnmanagedType.LPWStr)] string pszCategoryId, [In][MarshalAs(UnmanagedType.LPWStr)] string pszTokenId, [In] int fCreateIfNotExist);
+
+		[MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
+		void GetId([MarshalAs(UnmanagedType.LPWStr)] out string ppszCoMemTokenId);
+
+		[MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
+		void GetCategory([MarshalAs(UnmanagedType.Interface)] out ISpObjectTokenCategory ppTokenCategory);
+
+		[MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
+		void CreateInstance([In][MarshalAs(UnmanagedType.IUnknown)] object pUnkOuter, [In] uint dwClsContext, [In] ref Guid riid, out IntPtr ppvObject);
+
+		[MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
+		void GetStorageFileName([In] ref Guid clsidCaller, [In][MarshalAs(UnmanagedType.LPWStr)] string pszValueName, [In][MarshalAs(UnmanagedType.LPWStr)] string pszFileNameSpecifier, [In] uint nFolder, [MarshalAs(UnmanagedType.LPWStr)] out string ppszFilePath);
+
+		[MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
+		void RemoveStorageFileName([In] ref Guid clsidCaller, [In][MarshalAs(UnmanagedType.LPWStr)] string pszKeyName, [In] int fDeleteFile);
+
+		[MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
+		void Remove(ref Guid pclsidCaller);
+
+		[MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
+		void IsUISupported([In][MarshalAs(UnmanagedType.LPWStr)] string pszTypeOfUI, [In] IntPtr pvExtraData, [In] uint cbExtraData, [In][MarshalAs(UnmanagedType.IUnknown)] object punkObject, out int pfSupported);
+
+		[MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
+		void DisplayUI([In][ComAliasName("SpeechLib.wireHWND")] ref _RemotableHandle hWndParent, [In][MarshalAs(UnmanagedType.LPWStr)] string pszTitle, [In][MarshalAs(UnmanagedType.LPWStr)] string pszTypeOfUI, [In] IntPtr pvExtraData, [In] uint cbExtraData, [In][MarshalAs(UnmanagedType.IUnknown)] object punkObject);
+
+		[MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
+		void MatchesAttributes([In][MarshalAs(UnmanagedType.LPWStr)] string pszAttributes, out int pfMatches);
+	}
+}

Assets/Plugins/Windows/Interop.SpeechLib/ISpObjectToken.cs.meta

@@ -0,0 +1,11 @@
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+guid: 9dbe636fbecc6d246ac06f0111e1b644
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
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+  userData: 
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+  assetBundleVariant: 

Assets/Plugins/Windows/Interop.SpeechLib/ISpObjectTokenCategory.cs

@@ -0,0 +1,65 @@
+using System;
+using System.Runtime.CompilerServices;
+using System.Runtime.InteropServices;
+
+namespace SpeechLib {
+	[ComImport]
+	[Guid("2D3D3845-39AF-4850-BBF9-40B49780011D")]
+	[TypeLibType(512)]
+	[InterfaceType(1)]
+	public interface ISpObjectTokenCategory : ISpDataKey {
+		[MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
+		new void SetData([In][MarshalAs(UnmanagedType.LPWStr)] string pszValueName, [In] uint cbData, [In] ref byte pData);
+
+		[MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
+		new void GetData([In][MarshalAs(UnmanagedType.LPWStr)] string pszValueName, [In] ref uint pcbData, out byte pData);
+
+		[MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
+		new void SetStringValue([In][MarshalAs(UnmanagedType.LPWStr)] string pszValueName, [In][MarshalAs(UnmanagedType.LPWStr)] string pszValue);
+
+		[MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
+		new void GetStringValue([In][MarshalAs(UnmanagedType.LPWStr)] string pszValueName, [MarshalAs(UnmanagedType.LPWStr)] out string ppszValue);
+
+		[MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
+		new void SetDWORD([In][MarshalAs(UnmanagedType.LPWStr)] string pszValueName, [In] uint dwValue);
+
+		[MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
+		new void GetDWORD([In][MarshalAs(UnmanagedType.LPWStr)] string pszValueName, out uint pdwValue);
+
+		[MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
+		new void OpenKey([In][MarshalAs(UnmanagedType.LPWStr)] string pszSubKeyName, [MarshalAs(UnmanagedType.Interface)] out ISpDataKey ppSubKey);
+
+		[MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
+		new void CreateKey([In][MarshalAs(UnmanagedType.LPWStr)] string pszSubKey, [MarshalAs(UnmanagedType.Interface)] out ISpDataKey ppSubKey);
+
+		[MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
+		new void DeleteKey([In][MarshalAs(UnmanagedType.LPWStr)] string pszSubKey);
+
+		[MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
+		new void DeleteValue([In][MarshalAs(UnmanagedType.LPWStr)] string pszValueName);
+
+		[MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
+		new void EnumKeys([In] uint Index, [MarshalAs(UnmanagedType.LPWStr)] out string ppszSubKeyName);
+
+		[MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
+		new void EnumValues([In] uint Index, [MarshalAs(UnmanagedType.LPWStr)] out string ppszValueName);
+
+		[MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
+		void SetId([In][MarshalAs(UnmanagedType.LPWStr)] string pszCategoryId, [In] int fCreateIfNotExist);
+
+		[MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
+		void GetId([MarshalAs(UnmanagedType.LPWStr)] out string ppszCoMemCategoryId);
+
+		[MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
+		void GetDataKey([In] SPDATAKEYLOCATION spdkl, [MarshalAs(UnmanagedType.Interface)] out ISpDataKey ppDataKey);
+
+		[MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
+		void EnumTokens([In][MarshalAs(UnmanagedType.LPWStr)] string pzsReqAttribs, [In][MarshalAs(UnmanagedType.LPWStr)] string pszOptAttribs, [MarshalAs(UnmanagedType.Interface)] out SpMMAudioEnum ppEnum);
+
+		[MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
+		void SetDefaultTokenId([In][MarshalAs(UnmanagedType.LPWStr)] string pszTokenId);
+
+		[MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
+		void GetDefaultTokenId([MarshalAs(UnmanagedType.LPWStr)] out string ppszCoMemTokenId);
+	}
+}

Assets/Plugins/Windows/Interop.SpeechLib/ISpObjectTokenCategory.cs.meta

@@ -0,0 +1,11 @@
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+guid: 15623e252a155a848a97cf37f60268e8
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
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+  userData: 
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Assets/Plugins/Windows/Interop.SpeechLib/ISpPhoneticAlphabetSelection.cs

@@ -0,0 +1,17 @@
+using System;
+using System.Runtime.CompilerServices;
+using System.Runtime.InteropServices;
+
+namespace SpeechLib {
+	[ComImport]
+	[TypeLibType(512)]
+	[InterfaceType(1)]
+	[Guid("B2745EFD-42CE-48CA-81F1-A96E02538A90")]
+	public interface ISpPhoneticAlphabetSelection {
+		[MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
+		void IsAlphabetUPS(out int pfIsUPS);
+
+		[MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
+		void SetAlphabetToUPS([In] int fForceUPS);
+	}
+}

Assets/Plugins/Windows/Interop.SpeechLib/ISpPhoneticAlphabetSelection.cs.meta

@@ -0,0 +1,11 @@
+fileFormatVersion: 2
+guid: d029aee7bdb974547abcc71e4b1d5c0e
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Assets/Plugins/Windows/Interop.SpeechLib/ISpStreamFormat.cs

@@ -0,0 +1,49 @@
+using System;
+using System.Runtime.CompilerServices;
+using System.Runtime.InteropServices;
+using System.Runtime.InteropServices.ComTypes;
+
+namespace SpeechLib {
+	[ComImport]
+	[ComConversionLoss]
+	[InterfaceType(1)]
+	[Guid("BED530BE-2606-4F4D-A1C0-54C5CDA5566F")]
+	[TypeLibType(512)]
+	public interface ISpStreamFormat : IStream {
+		[MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
+		void RemoteRead(out byte pv, [In] uint cb, out uint pcbRead);
+
+		[MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
+		void RemoteWrite([In] ref byte pv, [In] uint cb, out uint pcbWritten);
+
+		[MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
+		void RemoteSeek([In] _LARGE_INTEGER dlibMove, [In] uint dwOrigin, out _ULARGE_INTEGER plibNewPosition);
+
+		[MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
+		void SetSize([In] _ULARGE_INTEGER libNewSize);
+
+		[MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
+		void RemoteCopyTo([In][MarshalAs(UnmanagedType.Interface)] IStream pstm, [In] _ULARGE_INTEGER cb, out _ULARGE_INTEGER pcbRead, out _ULARGE_INTEGER pcbWritten);
+
+		[MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
+		void Commit([In] uint grfCommitFlags);
+
+		[MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
+		new void Revert();
+
+		[MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
+		void LockRegion([In] _ULARGE_INTEGER libOffset, [In] _ULARGE_INTEGER cb, [In] uint dwLockType);
+
+		[MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
+		void UnlockRegion([In] _ULARGE_INTEGER libOffset, [In] _ULARGE_INTEGER cb, [In] uint dwLockType);
+
+		[MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
+		void Stat(out tagSTATSTG pstatstg, [In] uint grfStatFlag);
+
+		[MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
+		new void Clone([MarshalAs(UnmanagedType.Interface)] out IStream ppstm);
+
+		[MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
+		void GetFormat([In] ref Guid pguidFormatId, [Out] IntPtr ppCoMemWaveFormatEx);
+	}
+}

Assets/Plugins/Windows/Interop.SpeechLib/ISpStreamFormat.cs.meta

@@ -0,0 +1,11 @@
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+  serializedVersion: 2
+  defaultReferences: []
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+  userData: 
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+  assetBundleVariant: 

Assets/Plugins/Windows/Interop.SpeechLib/ISpVoice.cs

@@ -0,0 +1,117 @@
+using System;
+using System.Runtime.CompilerServices;
+using System.Runtime.InteropServices;
+using System.Runtime.InteropServices.ComTypes;
+
+namespace SpeechLib {
+	[ComImport]
+	[InterfaceType(1)]
+	[Guid("6C44DF74-72B9-4992-A1EC-EF996E0422D4")]
+	[TypeLibType(512)]
+	public interface ISpVoice : ISpEventSource {
+		[MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
+		new void SetNotifySink([In][MarshalAs(UnmanagedType.Interface)] ISpNotifySink pNotifySink);
+
+		[MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
+		new void SetNotifyWindowMessage([In][ComAliasName("SpeechLib.wireHWND")] ref _RemotableHandle hWnd, [In] uint Msg, [In][ComAliasName("SpeechLib.UINT_PTR")] ulong wParam, [In][ComAliasName("SpeechLib.LONG_PTR")] long lParam);
+
+		[MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
+		new void SetNotifyCallbackFunction([In] ref IntPtr pfnCallback, [In][ComAliasName("SpeechLib.UINT_PTR")] ulong wParam, [In][ComAliasName("SpeechLib.LONG_PTR")] long lParam);
+
+		[MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
+		new void SetNotifyCallbackInterface([In] ref IntPtr pSpCallback, [In][ComAliasName("SpeechLib.UINT_PTR")] ulong wParam, [In][ComAliasName("SpeechLib.LONG_PTR")] long lParam);
+
+		[MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
+		new void SetNotifyWin32Event();
+
+		[MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
+		new void WaitForNotifyEvent([In] uint dwMilliseconds);
+
+		[MethodImpl(MethodImplOptions.PreserveSig | MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
+		new IntPtr GetNotifyEventHandle();
+
+		[MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
+		new void SetInterest([In] ulong ullEventInterest, [In] ulong ullQueuedInterest);
+
+		[MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
+		new void GetEvents([In] uint ulCount, out SPEVENT pEventArray, out uint pulFetched);
+
+		[MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
+		new void GetInfo(out SPEVENTSOURCEINFO pInfo);
+
+		[MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
+		void SetOutput([In][MarshalAs(UnmanagedType.IUnknown)] object pUnkOutput, [In] int fAllowFormatChanges);
+
+		[MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
+		void GetOutputObjectToken([MarshalAs(UnmanagedType.Interface)] out ISpObjectToken ppObjectToken);
+
+		[MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
+		void GetOutputStream([MarshalAs(UnmanagedType.Interface)] out ISpStreamFormat ppStream);
+
+		[MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
+		void Pause();
+
+		[MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
+		void Resume();
+
+		[MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
+		void SetVoice([In][MarshalAs(UnmanagedType.Interface)] ISpObjectToken pToken);
+
+		[MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
+		void GetVoice([MarshalAs(UnmanagedType.Interface)] out ISpObjectToken ppToken);
+
+		[MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
+		void Speak([In][MarshalAs(UnmanagedType.LPWStr)] string pwcs, [In] uint dwFlags, out uint pulStreamNumber);
+
+		[MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
+		void SpeakStream([In][MarshalAs(UnmanagedType.Interface)] IStream pStream, [In] uint dwFlags, out uint pulStreamNumber);
+
+		[MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
+		void GetStatus(out SPVOICESTATUS pStatus, [MarshalAs(UnmanagedType.LPWStr)] out string ppszLastBookmark);
+
+		[MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
+		void Skip([In][MarshalAs(UnmanagedType.LPWStr)] string pItemType, [In] int lNumItems, out uint pulNumSkipped);
+
+		[MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
+		void SetPriority([In] SPVPRIORITY ePriority);
+
+		[MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
+		void GetPriority(out SPVPRIORITY pePriority);
+
+		[MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
+		void SetAlertBoundary([In] SPEVENTENUM eBoundary);
+
+		[MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
+		void GetAlertBoundary(out SPEVENTENUM peBoundary);
+
+		[MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
+		void SetRate([In] int RateAdjust);
+
+		[MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
+		void GetRate(out int pRateAdjust);
+
+		[MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
+		void SetVolume([In] ushort usVolume);
+
+		[MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
+		void GetVolume(out ushort pusVolume);
+
+		[MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
+		void WaitUntilDone([In] uint msTimeout);
+
+		[MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
+		void SetSyncSpeakTimeout([In] uint msTimeout);
+
+		[MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
+		void GetSyncSpeakTimeout(out uint pmsTimeout);
+
+		[MethodImpl(MethodImplOptions.PreserveSig | MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
+		IntPtr SpeakCompleteEvent();
+
+		[MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
+		void IsUISupported([In][MarshalAs(UnmanagedType.LPWStr)] string pszTypeOfUI, [In] IntPtr pvExtraData, [In] uint cbExtraData, out int pfSupported);
+
+		[MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
+		void DisplayUI([In][ComAliasName("SpeechLib.wireHWND")] ref _RemotableHandle hWndParent, [In][MarshalAs(UnmanagedType.LPWStr)] string pszTitle, [In][MarshalAs(UnmanagedType.LPWStr)] string pszTypeOfUI, [In] IntPtr pvExtraData, [In] uint cbExtraData);
+	}
+}

Assets/Plugins/Windows/Interop.SpeechLib/ISpVoice.cs.meta

@@ -0,0 +1,11 @@
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+guid: 272a8c831aaf44a4d94da0a8f2f29199
+MonoImporter:
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+  serializedVersion: 2
+  defaultReferences: []
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Assets/Plugins/Windows/Interop.SpeechLib/ISpeechAudioFormat.cs

@@ -0,0 +1,47 @@
+using System;
+using System.Runtime.CompilerServices;
+using System.Runtime.InteropServices;
+
+namespace SpeechLib {
+	[ComImport]
+	[TypeLibType(4160)]
+	[Guid("E6E9C590-3E18-40E3-8299-061F98BDE7C7")]
+	public interface ISpeechAudioFormat {
+		[DispId(1)]
+		SpeechAudioFormatType Type {
+			[MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
+			[DispId(1)]
+			get;
+			[MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
+			[DispId(1)]
+			[param: In]
+			set;
+		}
+
+		[DispId(2)]
+		string Guid {
+			[MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
+			[DispId(2)]
+			[TypeLibFunc(64)]
+			[return: MarshalAs(UnmanagedType.BStr)]
+			get;
+			[MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
+			[DispId(2)]
+			[TypeLibFunc(64)]
+			[param: In]
+			[param: MarshalAs(UnmanagedType.BStr)]
+			set;
+		}
+
+		[MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
+		[DispId(3)]
+		[TypeLibFunc(64)]
+		[return: MarshalAs(UnmanagedType.Interface)]
+		SpWaveFormatEx GetWaveFormatEx();
+
+		[MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
+		[DispId(4)]
+		[TypeLibFunc(64)]
+		void SetWaveFormatEx([In][MarshalAs(UnmanagedType.Interface)] SpWaveFormatEx SpeechWaveFormatEx);
+	}
+}

Assets/Plugins/Windows/Interop.SpeechLib/ISpeechAudioFormat.cs.meta

@@ -0,0 +1,11 @@
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+guid: 0121f963d2ad3124f93d8b901dea2ef2
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Assets/Plugins/Windows/Interop.SpeechLib/ISpeechBaseStream.cs

@@ -0,0 +1,36 @@
+using System;
+using System.Runtime.CompilerServices;
+using System.Runtime.InteropServices;
+
+namespace SpeechLib {
+	[ComImport]
+	[TypeLibType(4160)]
+	[Guid("6450336F-7D49-4CED-8097-49D6DEE37294")]
+	public interface ISpeechBaseStream {
+		[DispId(1)]
+		SpAudioFormat Format {
+			[MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
+			[DispId(1)]
+			[return: MarshalAs(UnmanagedType.Interface)]
+			get;
+			[MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
+			[DispId(1)]
+			[param: In]
+			[param: MarshalAs(UnmanagedType.Interface)]
+			set;
+		}
+
+		[MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
+		[DispId(2)]
+		int Read([MarshalAs(UnmanagedType.Struct)] out object Buffer, [In] int NumberOfBytes);
+
+		[MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
+		[DispId(3)]
+		int Write([In][MarshalAs(UnmanagedType.Struct)] object Buffer);
+
+		[MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
+		[DispId(4)]
+		[return: MarshalAs(UnmanagedType.Struct)]
+		object Seek([In][MarshalAs(UnmanagedType.Struct)] object Position, [In] SpeechStreamSeekPositionType Origin = SpeechStreamSeekPositionType.SSSPTRelativeToStart);
+	}
+}

Assets/Plugins/Windows/Interop.SpeechLib/ISpeechBaseStream.cs.meta

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Assets/Plugins/Windows/Interop.SpeechLib/ISpeechDataKey.cs

@@ -0,0 +1,64 @@
+using System;
+using System.Runtime.CompilerServices;
+using System.Runtime.InteropServices;
+
+namespace SpeechLib {
+	[ComImport]
+	[TypeLibType(4160)]
+	[Guid("CE17C09B-4EFA-44D5-A4C9-59D9585AB0CD")]
+	public interface ISpeechDataKey {
+		[MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
+		[DispId(1)]
+		void SetBinaryValue([In][MarshalAs(UnmanagedType.BStr)] string ValueName, [In][MarshalAs(UnmanagedType.Struct)] object Value);
+
+		[MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
+		[DispId(2)]
+		[return: MarshalAs(UnmanagedType.Struct)]
+		object GetBinaryValue([In][MarshalAs(UnmanagedType.BStr)] string ValueName);
+
+		[MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
+		[DispId(3)]
+		void SetStringValue([In][MarshalAs(UnmanagedType.BStr)] string ValueName, [In][MarshalAs(UnmanagedType.BStr)] string Value);
+
+		[MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
+		[DispId(4)]
+		[return: MarshalAs(UnmanagedType.BStr)]
+		string GetStringValue([In][MarshalAs(UnmanagedType.BStr)] string ValueName);
+
+		[MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
+		[DispId(5)]
+		void SetLongValue([In][MarshalAs(UnmanagedType.BStr)] string ValueName, [In] int Value);
+
+		[MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
+		[DispId(6)]
+		int GetLongValue([In][MarshalAs(UnmanagedType.BStr)] string ValueName);
+
+		[MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
+		[DispId(7)]
+		[return: MarshalAs(UnmanagedType.Interface)]
+		ISpeechDataKey OpenKey([In][MarshalAs(UnmanagedType.BStr)] string SubKeyName);
+
+		[MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
+		[DispId(8)]
+		[return: MarshalAs(UnmanagedType.Interface)]
+		ISpeechDataKey CreateKey([In][MarshalAs(UnmanagedType.BStr)] string SubKeyName);
+
+		[MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
+		[DispId(9)]
+		void DeleteKey([In][MarshalAs(UnmanagedType.BStr)] string SubKeyName);
+
+		[MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
+		[DispId(10)]
+		void DeleteValue([In][MarshalAs(UnmanagedType.BStr)] string ValueName);
+
+		[MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
+		[DispId(11)]
+		[return: MarshalAs(UnmanagedType.BStr)]
+		string EnumKeys([In] int Index);
+
+		[MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
+		[DispId(12)]
+		[return: MarshalAs(UnmanagedType.BStr)]
+		string EnumValues([In] int Index);
+	}
+}

Assets/Plugins/Windows/Interop.SpeechLib/ISpeechDataKey.cs.meta

@@ -0,0 +1,11 @@
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+guid: 67d9e05beeee4594688ea5fff1341d30
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Assets/Plugins/Windows/Interop.SpeechLib/ISpeechObjectToken.cs

@@ -0,0 +1,85 @@
+using System;
+using System.Runtime.CompilerServices;
+using System.Runtime.InteropServices;
+
+namespace SpeechLib {
+	[ComImport]
+	[TypeLibType(4160)]
+	[Guid("C74A3ADC-B727-4500-A84A-B526721C8B8C")]
+	public interface ISpeechObjectToken {
+		[DispId(1)]
+		string Id {
+			[MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
+			[DispId(1)]
+			[return: MarshalAs(UnmanagedType.BStr)]
+			get;
+		}
+
+		[DispId(2)]
+		ISpeechDataKey DataKey {
+			[MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
+			[TypeLibFunc(64)]
+			[DispId(2)]
+			[return: MarshalAs(UnmanagedType.Interface)]
+			get;
+		}
+
+		[DispId(3)]
+		SpObjectTokenCategory Category {
+			[MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
+			[DispId(3)]
+			[return: MarshalAs(UnmanagedType.Interface)]
+			get;
+		}
+
+		[MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
+		[DispId(4)]
+		[return: MarshalAs(UnmanagedType.BStr)]
+		string GetDescription([In] int Locale = 0);
+
+		[MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
+		[DispId(5)]
+		[TypeLibFunc(64)]
+		void SetId([In][MarshalAs(UnmanagedType.BStr)] string Id, [In][MarshalAs(UnmanagedType.BStr)] string CategoryID = "", [In] bool CreateIfNotExist = false);
+
+		[MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
+		[DispId(6)]
+		[return: MarshalAs(UnmanagedType.BStr)]
+		string GetAttribute([In][MarshalAs(UnmanagedType.BStr)] string AttributeName);
+
+		[MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
+		[DispId(7)]
+		[return: MarshalAs(UnmanagedType.IUnknown)]
+		object CreateInstance([Optional][In][IUnknownConstant][MarshalAs(UnmanagedType.IUnknown)] object pUnkOuter, [In] SpeechTokenContext ClsContext = SpeechTokenContext.STCAll);
+
+		[MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
+		[TypeLibFunc(64)]
+		[DispId(8)]
+		void Remove([In][MarshalAs(UnmanagedType.BStr)] string ObjectStorageCLSID);
+
+		[MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
+		[TypeLibFunc(64)]
+		[DispId(9)]
+		[return: MarshalAs(UnmanagedType.BStr)]
+		string GetStorageFileName([In][MarshalAs(UnmanagedType.BStr)] string ObjectStorageCLSID, [In][MarshalAs(UnmanagedType.BStr)] string KeyName, [In][MarshalAs(UnmanagedType.BStr)] string FileName, [In] SpeechTokenShellFolder Folder);
+
+		[MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
+		[DispId(10)]
+		[TypeLibFunc(64)]
+		void RemoveStorageFileName([In][MarshalAs(UnmanagedType.BStr)] string ObjectStorageCLSID, [In][MarshalAs(UnmanagedType.BStr)] string KeyName, [In] bool DeleteFile);
+
+		[MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
+		[DispId(11)]
+		[TypeLibFunc(64)]
+		bool IsUISupported([In][MarshalAs(UnmanagedType.BStr)] string TypeOfUI, [Optional][In][MarshalAs(UnmanagedType.Struct)] ref object ExtraData, [Optional][In][IUnknownConstant][MarshalAs(UnmanagedType.IUnknown)] object Object);
+
+		[MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
+		[DispId(12)]
+		[TypeLibFunc(64)]
+		void DisplayUI([In] int hWnd, [In][MarshalAs(UnmanagedType.BStr)] string Title, [In][MarshalAs(UnmanagedType.BStr)] string TypeOfUI, [Optional][In][MarshalAs(UnmanagedType.Struct)] ref object ExtraData, [Optional][In][IUnknownConstant][MarshalAs(UnmanagedType.IUnknown)] object Object);
+
+		[MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
+		[DispId(13)]
+		bool MatchesAttributes([In][MarshalAs(UnmanagedType.BStr)] string Attributes);
+	}
+}

Assets/Plugins/Windows/Interop.SpeechLib/ISpeechObjectToken.cs.meta

@@ -0,0 +1,11 @@
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+guid: 84b08e94b540c8a40afbd504abc37d04
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
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+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Assets/Plugins/Windows/Interop.SpeechLib/ISpeechObjectTokenCategory.cs

@@ -0,0 +1,46 @@
+using System;
+using System.Runtime.CompilerServices;
+using System.Runtime.InteropServices;
+
+namespace SpeechLib {
+	[ComImport]
+	[Guid("CA7EAC50-2D01-4145-86D4-5AE7D70F4469")]
+	[TypeLibType(4160)]
+	public interface ISpeechObjectTokenCategory {
+		[DispId(1)]
+		string Id {
+			[MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
+			[DispId(1)]
+			[return: MarshalAs(UnmanagedType.BStr)]
+			get;
+		}
+
+		[DispId(2)]
+		string Default {
+			[MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
+			[DispId(2)]
+			[return: MarshalAs(UnmanagedType.BStr)]
+			get;
+			[MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
+			[DispId(2)]
+			[param: In]
+			[param: MarshalAs(UnmanagedType.BStr)]
+			set;
+		}
+
+		[MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
+		[DispId(3)]
+		void SetId([In][MarshalAs(UnmanagedType.BStr)] string Id, [In] bool CreateIfNotExist = false);
+
+		[MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
+		[DispId(4)]
+		[TypeLibFunc(64)]
+		[return: MarshalAs(UnmanagedType.Interface)]
+		ISpeechDataKey GetDataKey([In] SpeechDataKeyLocation Location = SpeechDataKeyLocation.SDKLDefaultLocation);
+
+		[MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
+		[DispId(5)]
+		[return: MarshalAs(UnmanagedType.Interface)]
+		ISpeechObjectTokens EnumerateTokens([In][MarshalAs(UnmanagedType.BStr)] string RequiredAttributes = "", [In][MarshalAs(UnmanagedType.BStr)] string OptionalAttributes = "");
+	}
+}

Assets/Plugins/Windows/Interop.SpeechLib/ISpeechObjectTokenCategory.cs.meta

@@ -0,0 +1,11 @@
+fileFormatVersion: 2
+guid: a15899cbf650cfa42944fa16c069356b
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
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+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Assets/Plugins/Windows/Interop.SpeechLib/ISpeechObjectTokens.cs

@@ -0,0 +1,31 @@
+using System;
+using System.Collections;
+using System.Reflection;
+using System.Runtime.CompilerServices;
+using System.Runtime.InteropServices;
+
+namespace SpeechLib {
+	[ComImport]
+	[DefaultMember("Item")]
+	[TypeLibType(4160)]
+	[Guid("9285B776-2E7B-4BC0-B53E-580EB6FA967F")]
+	public interface ISpeechObjectTokens : IEnumerable {
+		[DispId(1)]
+		int Count {
+			[MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
+			[DispId(1)]
+			get;
+		}
+
+		[MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
+		[DispId(0)]
+		[return: MarshalAs(UnmanagedType.Interface)]
+		SpObjectToken Item([In] int Index);
+
+		[MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
+		[TypeLibFunc(1)]
+		[DispId(-4)]
+		[return: MarshalAs(UnmanagedType.CustomMarshaler, MarshalTypeRef = typeof(EnumeratorToEnumVariantMarshaler))]
+		new IEnumerator GetEnumerator();
+	}
+}

Assets/Plugins/Windows/Interop.SpeechLib/ISpeechObjectTokens.cs.meta

@@ -0,0 +1,11 @@
+fileFormatVersion: 2
+guid: c5ce0623475562e41ac3b4d14e26e163
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Assets/Plugins/Windows/Interop.SpeechLib/ISpeechVoice.cs

@@ -0,0 +1,183 @@
+using System;
+using System.Runtime.CompilerServices;
+using System.Runtime.InteropServices;
+
+namespace SpeechLib {
+	[ComImport]
+	[Guid("269316D8-57BD-11D2-9EEE-00C04F797396")]
+	[TypeLibType(4160)]
+	public interface ISpeechVoice {
+		[DispId(1)]
+		ISpeechVoiceStatus Status {
+			[MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
+			[DispId(1)]
+			[return: MarshalAs(UnmanagedType.Interface)]
+			get;
+		}
+
+		[DispId(2)]
+		SpObjectToken Voice {
+			[MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
+			[DispId(2)]
+			[return: MarshalAs(UnmanagedType.Interface)]
+			get;
+			[MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
+			[DispId(2)]
+			[param: In]
+			[param: MarshalAs(UnmanagedType.Interface)]
+			set;
+		}
+
+		[DispId(3)]
+		SpObjectToken AudioOutput {
+			[MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
+			[DispId(3)]
+			[return: MarshalAs(UnmanagedType.Interface)]
+			get;
+			[MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
+			[DispId(3)]
+			[param: In]
+			[param: MarshalAs(UnmanagedType.Interface)]
+			set;
+		}
+
+		[DispId(4)]
+		ISpeechBaseStream AudioOutputStream {
+			[MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
+			[DispId(4)]
+			[return: MarshalAs(UnmanagedType.Interface)]
+			get;
+			[MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
+			[DispId(4)]
+			[param: In]
+			[param: MarshalAs(UnmanagedType.Interface)]
+			set;
+		}
+
+		[DispId(5)]
+		int Rate {
+			[MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
+			[DispId(5)]
+			get;
+			[MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
+			[DispId(5)]
+			[param: In]
+			set;
+		}
+
+		[DispId(6)]
+		int Volume {
+			[MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
+			[DispId(6)]
+			get;
+			[MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
+			[DispId(6)]
+			[param: In]
+			set;
+		}
+
+		[DispId(7)]
+		bool AllowAudioOutputFormatChangesOnNextSet {
+			[MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
+			[TypeLibFunc(64)]
+			[DispId(7)]
+			get;
+			[MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
+			[TypeLibFunc(64)]
+			[DispId(7)]
+			[param: In]
+			set;
+		}
+
+		[DispId(8)]
+		SpeechVoiceEvents EventInterests {
+			[MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
+			[DispId(8)]
+			get;
+			[MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
+			[DispId(8)]
+			[param: In]
+			set;
+		}
+
+		[DispId(9)]
+		SpeechVoicePriority Priority {
+			[MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
+			[DispId(9)]
+			get;
+			[MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
+			[DispId(9)]
+			[param: In]
+			set;
+		}
+
+		[DispId(10)]
+		SpeechVoiceEvents AlertBoundary {
+			[MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
+			[DispId(10)]
+			get;
+			[MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
+			[DispId(10)]
+			[param: In]
+			set;
+		}
+
+		[DispId(11)]
+		int SynchronousSpeakTimeout {
+			[MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
+			[DispId(11)]
+			get;
+			[MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
+			[DispId(11)]
+			[param: In]
+			set;
+		}
+
+		[MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
+		[DispId(12)]
+		int Speak([In][MarshalAs(UnmanagedType.BStr)] string Text, [In] SpeechVoiceSpeakFlags Flags = SpeechVoiceSpeakFlags.SVSFDefault);
+
+		[MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
+		[DispId(13)]
+		int SpeakStream([In][MarshalAs(UnmanagedType.Interface)] ISpeechBaseStream Stream, [In] SpeechVoiceSpeakFlags Flags = SpeechVoiceSpeakFlags.SVSFDefault);
+
+		[MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
+		[DispId(14)]
+		void Pause();
+
+		[MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
+		[DispId(15)]
+		void Resume();
+
+		[MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
+		[DispId(16)]
+		int Skip([In][MarshalAs(UnmanagedType.BStr)] string Type, [In] int NumItems);
+
+		[MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
+		[DispId(17)]
+		[return: MarshalAs(UnmanagedType.Interface)]
+		ISpeechObjectTokens GetVoices([In][MarshalAs(UnmanagedType.BStr)] string RequiredAttributes = "", [In][MarshalAs(UnmanagedType.BStr)] string OptionalAttributes = "");
+
+		[MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
+		[DispId(18)]
+		[return: MarshalAs(UnmanagedType.Interface)]
+		ISpeechObjectTokens GetAudioOutputs([In][MarshalAs(UnmanagedType.BStr)] string RequiredAttributes = "", [In][MarshalAs(UnmanagedType.BStr)] string OptionalAttributes = "");
+
+		[MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
+		[DispId(19)]
+		bool WaitUntilDone([In] int msTimeout);
+
+		[MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
+		[TypeLibFunc(64)]
+		[DispId(20)]
+		nint SpeakCompleteEvent();
+
+		[MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
+		[DispId(21)]
+		bool IsUISupported([In][MarshalAs(UnmanagedType.BStr)] string TypeOfUI, [Optional][In][MarshalAs(UnmanagedType.Struct)] ref object ExtraData);
+
+		[MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
+		[DispId(22)]
+		void DisplayUI([In] int hWndParent, [In][MarshalAs(UnmanagedType.BStr)] string Title, [In][MarshalAs(UnmanagedType.BStr)] string TypeOfUI, [Optional][In][MarshalAs(UnmanagedType.Struct)] ref object ExtraData);
+	}
+}

Assets/Plugins/Windows/Interop.SpeechLib/ISpeechVoice.cs.meta

@@ -0,0 +1,11 @@
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Assets/Plugins/Windows/Interop.SpeechLib/ISpeechVoiceStatus.cs

@@ -0,0 +1,96 @@
+using System;
+using System.Runtime.CompilerServices;
+using System.Runtime.InteropServices;
+
+namespace SpeechLib {
+	[ComImport]
+	[Guid("8BE47B07-57F6-11D2-9EEE-00C04F797396")]
+	[TypeLibType(4160)]
+	public interface ISpeechVoiceStatus {
+		[DispId(1)]
+		int CurrentStreamNumber {
+			[MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
+			[DispId(1)]
+			get;
+		}
+
+		[DispId(2)]
+		int LastStreamNumberQueued {
+			[MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
+			[DispId(2)]
+			get;
+		}
+
+		[DispId(3)]
+		int LastHResult {
+			[MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
+			[DispId(3)]
+			get;
+		}
+
+		[DispId(4)]
+		SpeechRunState RunningState {
+			[MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
+			[DispId(4)]
+			get;
+		}
+
+		[DispId(5)]
+		int InputWordPosition {
+			[MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
+			[DispId(5)]
+			get;
+		}
+
+		[DispId(6)]
+		int InputWordLength {
+			[MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
+			[DispId(6)]
+			get;
+		}
+
+		[DispId(7)]
+		int InputSentencePosition {
+			[MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
+			[DispId(7)]
+			get;
+		}
+
+		[DispId(8)]
+		int InputSentenceLength {
+			[MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
+			[DispId(8)]
+			get;
+		}
+
+		[DispId(9)]
+		string LastBookmark {
+			[MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
+			[DispId(9)]
+			[return: MarshalAs(UnmanagedType.BStr)]
+			get;
+		}
+
+		[DispId(10)]
+		int LastBookmarkId {
+			[MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
+			[TypeLibFunc(64)]
+			[DispId(10)]
+			get;
+		}
+
+		[DispId(11)]
+		short PhonemeId {
+			[MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
+			[DispId(11)]
+			get;
+		}
+
+		[DispId(12)]
+		short VisemeId {
+			[MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
+			[DispId(12)]
+			get;
+		}
+	}
+}

Assets/Plugins/Windows/Interop.SpeechLib/ISpeechVoiceStatus.cs.meta

@@ -0,0 +1,11 @@
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+  externalObjects: {}
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Assets/Plugins/Windows/Interop.SpeechLib/ISpeechWaveFormatEx.cs

@@ -0,0 +1,89 @@
+using System;
+using System.Runtime.CompilerServices;
+using System.Runtime.InteropServices;
+
+namespace SpeechLib {
+	[ComImport]
+	[Guid("7A1EF0D5-1581-4741-88E4-209A49F11A10")]
+	[TypeLibType(4160)]
+	public interface ISpeechWaveFormatEx {
+		[DispId(1)]
+		short FormatTag {
+			[MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
+			[DispId(1)]
+			get;
+			[MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
+			[DispId(1)]
+			[param: In]
+			set;
+		}
+
+		[DispId(2)]
+		short Channels {
+			[MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
+			[DispId(2)]
+			get;
+			[MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
+			[DispId(2)]
+			[param: In]
+			set;
+		}
+
+		[DispId(3)]
+		int SamplesPerSec {
+			[MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
+			[DispId(3)]
+			get;
+			[MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
+			[DispId(3)]
+			[param: In]
+			set;
+		}
+
+		[DispId(4)]
+		int AvgBytesPerSec {
+			[MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
+			[DispId(4)]
+			get;
+			[MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
+			[DispId(4)]
+			[param: In]
+			set;
+		}
+
+		[DispId(5)]
+		short BlockAlign {
+			[MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
+			[DispId(5)]
+			get;
+			[MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
+			[DispId(5)]
+			[param: In]
+			set;
+		}
+
+		[DispId(6)]
+		short BitsPerSample {
+			[MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
+			[DispId(6)]
+			get;
+			[MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
+			[DispId(6)]
+			[param: In]
+			set;
+		}
+
+		[DispId(7)]
+		object ExtraData {
+			[MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
+			[DispId(7)]
+			[return: MarshalAs(UnmanagedType.Struct)]
+			get;
+			[MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
+			[DispId(7)]
+			[param: In]
+			[param: MarshalAs(UnmanagedType.Struct)]
+			set;
+		}
+	}
+}

Assets/Plugins/Windows/Interop.SpeechLib/ISpeechWaveFormatEx.cs.meta

@@ -0,0 +1,11 @@
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+guid: 16611605854765a4db58ea3fec7cb71e
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
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Assets/Plugins/Windows/Interop.SpeechLib/Interop.SpeechLib.asmdef

@@ -0,0 +1,18 @@
+{
+    "name": "Interop.SpeechLib",
+    "rootNamespace": "",
+    "references": [],
+    "includePlatforms": [
+        "Editor",
+        "WindowsStandalone32",
+        "WindowsStandalone64"
+    ],
+    "excludePlatforms": [],
+    "allowUnsafeCode": false,
+    "overrideReferences": false,
+    "precompiledReferences": [],
+    "autoReferenced": true,
+    "defineConstraints": [],
+    "versionDefines": [],
+    "noEngineReferences": true
+}

Assets/Plugins/Windows/Interop.SpeechLib/Interop.SpeechLib.asmdef.meta

@@ -0,0 +1,7 @@
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+guid: 1e0937e40dadba24a97b7342c4559580
+AssemblyDefinitionImporter:
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+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Assets/Plugins/Windows/Interop.SpeechLib/SPDATAKEYLOCATION.cs

@@ -0,0 +1,11 @@
+using System.Runtime.InteropServices;
+
+namespace SpeechLib {
+	[TypeLibType(16)]
+	public enum SPDATAKEYLOCATION {
+		SPDKL_DefaultLocation = 0,
+		SPDKL_CurrentUser = 1,
+		SPDKL_LocalMachine = 2,
+		SPDKL_CurrentConfig = 5
+	}
+}

Assets/Plugins/Windows/Interop.SpeechLib/SPDATAKEYLOCATION.cs.meta

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+guid: 217ea5e808aeb3548bb7c5d3bed0e08d
+MonoImporter:
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Assets/Plugins/Windows/Interop.SpeechLib/SPEVENT.cs

@@ -0,0 +1,21 @@
+using System.Runtime.InteropServices;
+
+namespace SpeechLib {
+	[StructLayout(LayoutKind.Sequential, Pack = 8)]
+	[TypeLibType(528)]
+	public struct SPEVENT {
+		public ushort eEventId;
+
+		public ushort elParamType;
+
+		public uint ulStreamNum;
+
+		public ulong ullAudioStreamOffset;
+
+		[ComAliasName("SpeechLib.UINT_PTR")]
+		public ulong wParam;
+
+		[ComAliasName("SpeechLib.LONG_PTR")]
+		public long lParam;
+	}
+}