};
+#define INSTANCEDATA_OF_PROPERTY_PTR(x) ((PKSPROPERTY((x))) + 1)
+#define INSTANCEDATA_OF_PROPERTY_SIZE(x) (sizeof((x)) - sizeof(KSPROPERTY))
+
+/*****************************************************************************
+ * DirectShow GUIDs.
+ *****************************************************************************/
+const GUID PROPSETID_TUNER = {0x6a2e0605, 0x28e4, 0x11d0, {0xa1, 0x8c, 0x00, 0xa0, 0xc9, 0x11, 0x89, 0x56}};
+
/****************************************************************************
* The following should be in ks.h and ksmedia.h, but since they are not in
* the current version of Mingw, we will be defined here.