WIP AVIWriterImports

Author: YoshiRulz

Common.props

@@ -6,7 +6,7 @@
 		<AnalysisModeReliability>Recommended</AnalysisModeReliability>
 		<AnalysisModePerformance>Recommended</AnalysisModePerformance>
 		<AnalysisModeUsage>Recommended</AnalysisModeUsage>
-		<EmitCompilerGeneratedFiles>false</EmitCompilerGeneratedFiles> <!-- enable to copy Roslyn Source Generators' outputs to $(ProjectDir)/obj/.../generated -->
+		<EmitCompilerGeneratedFiles>true</EmitCompilerGeneratedFiles> <!-- enable to copy Roslyn Source Generators' outputs to $(ProjectDir)/obj/.../generated -->
 		<EnforceCodeStyleInBuild>true</EnforceCodeStyleInBuild>
 		<CentralPackageTransitivePinningEnabled>true</CentralPackageTransitivePinningEnabled>
 		<ContinuousIntegrationBuild Condition=" '$(GITLAB_CI)' != '' Or '$(APPVEYOR)' != '' ">true</ContinuousIntegrationBuild>

src/BizHawk.Bizware.Externs/AVIFIL32.dll.cs

@@ -0,0 +1,17 @@
+using Windows.Win32.Foundation;
+using Windows.Win32.Media.Multimedia;
+
+namespace Windows.Win32
+{
+	public static partial class Win32Imports
+	{
+		/// <seealso cref="AVISaveOptions(HWND, uint, int, IAVIStream[], AVICOMPRESSOPTIONS**)"/>
+		public static unsafe nint AVISaveOptions(IAVIStream[] ppavi, ref AVICOMPRESSOPTIONS opts, HWND owner)
+		{
+			fixed (AVICOMPRESSOPTIONS* popts = &opts)
+			{
+				return AVISaveOptions(owner, uiFlags: 0, nStreams: 1, ppavi, &popts);
+			}
+		}
+	}
+}

src/BizHawk.Bizware.Externs/NativeMethods.txt

@@ -1,9 +1,21 @@
+AVIFileCreateStreamW
+AVIFileInit
+AVIFileOpenW
+AVIFileRelease
+AVIIF_KEYFRAME
+AVIMakeCompressedStream
+AVISaveOptions
+AVIStreamRelease
+AVIStreamSetFormat
+AVIStreamSetFormat
+AVIStreamWrite
 BFFM_INITIALIZED
 BFFM_SETSELECTIONW
 BIF_DONTGOBELOWDOMAIN
 BIF_EDITBOX
 BIF_NEWDIALOGSTYLE
 BIF_RETURNONLYFSDIRS
+BITMAPINFOHEADER
 BROWSEINFOW
 ChangeWindowMessageFilter
 CMF_EXPLORE
@@ -66,5 +78,6 @@ TranslateMessage
 VirtualAlloc
 VirtualFree
 VirtualProtect
+WAVEFORMATEX
 WINDOW_LONG_PTR_INDEX
 WM_SETREDRAW