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

third_party/decklink/win/include/DeckLinkAPIDiscovery.idl

 /* -LICENSE-START-
 ** Copyright (c) 2014 Blackmagic Design
 **
 ** Permission is hereby granted, free of charge, to any person or organization
 ** obtaining a copy of the software and accompanying documentation covered by
 ** this license (the "Software") to use, reproduce, display, distribute,
 ** execute, and transmit the Software, and to prepare derivative works of the
 ** Software, and to permit third-parties to whom the Software is furnished to
 ** do so, all subject to the following:
 ** 
 ** The copyright notices in the Software and this entire statement, including
 ** the above license grant, this restriction and the following disclaimer,
 ** must be included in all copies of the Software, in whole or in part, and
 ** all derivative works of the Software, unless such copies or derivative
 ** works are solely in the form of machine-executable object code generated by
 ** a source language processor.
 ** 
 ** THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 ** IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 ** FITNESS FOR A PARTICULAR PURPOSE, TITLE AND NON-INFRINGEMENT. IN NO EVENT
 ** SHALL THE COPYRIGHT HOLDERS OR ANYONE DISTRIBUTING THE SOFTWARE BE LIABLE
 ** FOR ANY DAMAGES OR OTHER LIABILITY, WHETHER IN CONTRACT, TORT OR OTHERWISE,
 ** ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
 ** DEALINGS IN THE SOFTWARE.
 ** -LICENSE-END-
 */
 
-#ifndef BMD_DECKLINKAPIDISCOVERY_H
-#define BMD_DECKLINKAPIDISCOVERY_H
-
 
 #ifndef BMD_CONST
     #if defined(_MSC_VER)
         #define BMD_CONST __declspec(selectany) static const
     #else
         #define BMD_CONST static const
     #endif
 #endif
 
 // 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 */
+/* Coclasses */
 
-extern "C" {
+importlib("stdole2.tlb");
 
 
-};
-
-
-#endif /* defined(BMD_DECKLINKAPIDISCOVERY_H) */