Mac Video Capture: Add Blackmagic DeckLink SDK for Mac to third_party folder

third_party/decklink/mac/include/DeckLinkAPIVersion.h

Index: third_party/decklink/mac/include/DeckLinkAPIVersion.h
diff --git a/third_party/decklink/mac/include/DeckLinkAPIVersion.h b/third_party/decklink/mac/include/DeckLinkAPIVersion.h
new file mode 100644
index 0000000000000000000000000000000000000000..1084b02f29c3ed9f8810bfa43c85c6f4d52021bb
--- /dev/null
+++ b/third_party/decklink/mac/include/DeckLinkAPIVersion.h
@@ -0,0 +1,37 @@
+/* -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-
+ * */
+
+/* DeckLinkAPIVersion.h */
+
+#ifndef __DeckLink_API_Verison_h__
+#define __DeckLink_API_Version_h__
+
+#define BLACKMAGIC_DECKLINK_API_VERSION					0x0a010400
+#define BLACKMAGIC_DECKLINK_API_VERSION_STRING			"10.1.4"
+
+#endif	// __DeckLink_API_Version_h__
+