[FFmpeg-devel] [PATCH] Fix missing IID instantiation in vf_scale_d3d11.c

[Adam Zofware via ffmpeg-devel <ffmpeg-devel@ffmpeg.org>]

vf_scale_d3d11.c does not instantiate the interface IDs that it uses
(IID_ID3D11VideoDevice and IID_ID3D11VideoContext). Builds of avfilter for
Windows configured such that no other source files instantiate these IIDs
will result in missing symbol errors during linking. The fix is to include
<initguid.h>  and <d3d11.h> in the same way that vsrc_ddagrab.c does.

Signed-off-by: Adam Zofware <adam@zofware.com>
---
 libavfilter/vf_scale_d3d11.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/libavfilter/vf_scale_d3d11.c b/libavfilter/vf_scale_d3d11.c
index c301f4a0c9..863e42808f 100644
--- a/libavfilter/vf_scale_d3d11.c
+++ b/libavfilter/vf_scale_d3d11.c
@@ -21,6 +21,13 @@
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301
USA
  */
 
+#include <windows.h>
+
+#define COBJMACROS
+
+#include <initguid.h>
+#include <d3d11.h>
+
 #include "libavutil/opt.h"
 #include "libavutil/pixdesc.h"
 #include "compat/w32dlfcn.h"
-- 
2.51.0.windows.1


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