diff -r 000000000000 -r 76b1f169d9fe mingw-5.1.4/win32/include/amaudio.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mingw-5.1.4/win32/include/amaudio.h	Fri Apr 03 17:16:45 2009 +0100
@@ -0,0 +1,33 @@
+#ifndef _AMAUDIO_H
+#define _AMAUDIO_H
+#if __GNUC__ >= 3
+#pragma GCC system_header
+#endif
+
+#include <dsound.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#define INTERFACE IAMDirectSound
+DECLARE_INTERFACE_(IAMDirectSound, IUnknown)
+{
+	STDMETHOD(QueryInterface)(THIS_ REFIID,LPVOID*) PURE;
+	STDMETHOD_(ULONG,AddRef)(THIS) PURE;
+	STDMETHOD_(ULONG,Release)(THIS) PURE;
+	STDMETHOD(GetDirectSoundInterface)(THIS_ LPDIRECTSOUND*) PURE;
+	STDMETHOD(GetPrimaryBufferInterface)(THIS_ LPDIRECTSOUNDBUFFER*) PURE;
+	STDMETHOD(GetSecondaryBufferInterface)(THIS_ LPDIRECTSOUNDBUFFER*) PURE;
+	STDMETHOD(GetFocusWindow)(THIS_ HWND*,BOOL*) PURE ;
+	STDMETHOD(ReleaseDirectSoundInterface)(THIS_ LPDIRECTSOUND) PURE;
+	STDMETHOD(ReleasePrimaryBufferInterface)(THIS_ LPDIRECTSOUNDBUFFER) PURE;
+	STDMETHOD(ReleaseSecondaryBufferInterface)(THIS_ LPDIRECTSOUNDBUFFER) PURE;
+	STDMETHOD(SetFocusWindow)(THIS_ HWND,BOOL) PURE ;
+};
+#undef INTERFACE
+
+#ifdef __cplusplus
+}
+#endif
+#endif