Only set a value if _WIN32_WINNT is undefined or smaller than 0x0600. This is
cleaner than unconditional definition and avoids a number of redefinition
warnings. Also only define a value in one of the two dxva2 headers.
* Public libavcodec DXVA2 header.
*/
+#if !defined(_WIN32_WINNT) || _WIN32_WINNT < 0x0600
+#undef _WIN32_WINNT
#define _WIN32_WINNT 0x0600
+#endif
+
#include <stdint.h>
#include <d3d9.h>
#include <dxva2api.h>
#ifndef AVCODEC_DXVA_INTERNAL_H
#define AVCODEC_DXVA_INTERNAL_H
-#define _WIN32_WINNT 0x0600
#define COBJMACROS
#include "config.h"