fix: Fix TTS COM exception in IL2CPP

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

@@ -0,0 +1,53 @@
+using System;
+using System.Runtime.CompilerServices;
+using System.Runtime.InteropServices;
+
+namespace SpeechLib {
+	[ComImport]
+	[CoClass(typeof(SpAudioFormatClass))]
+	[Guid("E6E9C590-3E18-40E3-8299-061F98BDE7C7")]
+	public interface SpAudioFormat : ISpeechAudioFormat { }
+
+	[ComImport]
+	[Guid("9EF96870-E160-4792-820D-48CF0649E4EC")]
+	[ClassInterface((ClassInterfaceType)0)]
+	[TypeLibType(2)]
+	public class SpAudioFormatClass : ISpeechAudioFormat, SpAudioFormat {
+		[DispId(1)]
+		public virtual extern SpeechAudioFormatType Type {
+			[MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
+			[DispId(1)]
+			get;
+			[MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
+			[DispId(1)]
+			[param: In]
+			set;
+		}
+
+		[DispId(2)]
+		public virtual extern string Guid {
+			[MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
+			[DispId(2)]
+			[TypeLibFunc(64)]
+			[return: MarshalAs(UnmanagedType.BStr)]
+			get;
+			[MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
+			[TypeLibFunc(64)]
+			[DispId(2)]
+			[param: In]
+			[param: MarshalAs(UnmanagedType.BStr)]
+			set;
+		}
+
+		[MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
+		[DispId(3)]
+		[TypeLibFunc(64)]
+		[return: MarshalAs(UnmanagedType.Interface)]
+		public virtual extern SpWaveFormatEx GetWaveFormatEx();
+
+		[MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
+		[DispId(4)]
+		[TypeLibFunc(64)]
+		public virtual extern void SetWaveFormatEx([In][MarshalAs(UnmanagedType.Interface)] SpWaveFormatEx SpeechWaveFormatEx);
+	}
+}