Win Video Capture: Add Blackmagic DeckLink SDK Win files to the existing third_party folder

third_party/decklink/win/include/DeckLinkAPIDiscovery.idl

Index: third_party/decklink/win/include/DeckLinkAPIDiscovery.idl
diff --git a/third_party/decklink/mac/include/DeckLinkAPIDiscovery.h b/third_party/decklink/win/include/DeckLinkAPIDiscovery.idl
similarity index 71%
copy from third_party/decklink/mac/include/DeckLinkAPIDiscovery.h
copy to third_party/decklink/win/include/DeckLinkAPIDiscovery.idl
index 18845dc1a6f1831e2efe2feccf5a457a8a9d8431..d9a4480bb9d2a8a64d0da56517cde4e4d81604d9 100644
--- a/third_party/decklink/mac/include/DeckLinkAPIDiscovery.h
+++ b/third_party/decklink/win/include/DeckLinkAPIDiscovery.idl
@@ -25,9 +25,6 @@
 ** -LICENSE-END-
 */
 
-#ifndef BMD_DECKLINKAPIDISCOVERY_H
-#define BMD_DECKLINKAPIDISCOVERY_H
-
 
 #ifndef BMD_CONST
     #if defined(_MSC_VER)
@@ -40,32 +37,29 @@
 // Type Declarations
 
 
-// Interface ID Declarations
+// Enumeration Mapping
 
-BMD_CONST REFIID IID_IDeckLink                                    = /* C418FBDD-0587-48ED-8FE5-640F0A14AF91 */ {0xC4,0x18,0xFB,0xDD,0x05,0x87,0x48,0xED,0x8F,0xE5,0x64,0x0F,0x0A,0x14,0xAF,0x91};
+cpp_quote("#if 0")
+cpp_quote("#endif")
 
 // Forward Declarations
 
-class IDeckLink;
+interface IDeckLink;
 
 /* Interface IDeckLink - represents a DeckLink device */
 
-class IDeckLink : public IUnknown
+[
+    object,
+    uuid(C418FBDD-0587-48ED-8FE5-640F0A14AF91),
+    helpstring("represents a DeckLink device")
+] interface IDeckLink : IUnknown
 {
-public:
-    virtual HRESULT GetModelName (/* out */ CFStringRef *modelName) = 0;
-    virtual HRESULT GetDisplayName (/* out */ CFStringRef *displayName) = 0;
-
-protected:
-    virtual ~IDeckLink () {}; // call Release method to drop reference count
+    HRESULT GetModelName([out] BSTR *modelName);
+    HRESULT GetDisplayName([out] BSTR *displayName);
 };
 
-/* Functions */
-
-extern "C" {
+/* Coclasses */
 
-
-};
+importlib("stdole2.tlb");
 
 
-#endif /* defined(BMD_DECKLINKAPIDISCOVERY_H) */