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avutil/hwcontext_d3d11va: Use secure dlopen.
dlopen contains additional security to prevent dll hijacking compared to standard LoadLibrary.
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@ -39,6 +39,7 @@
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#include "pixdesc.h"
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#include "pixfmt.h"
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#include "thread.h"
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#include "compat/w32dlfcn.h"
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typedef HRESULT(WINAPI *PFN_CREATE_DXGI_FACTORY)(REFIID riid, void **ppFactory);
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@ -55,8 +56,8 @@ static av_cold void load_functions(void)
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// from too many LoadLibrary calls.
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HANDLE d3dlib, dxgilib;
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d3dlib = LoadLibrary("d3d11.dll");
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dxgilib = LoadLibrary("dxgi.dll");
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d3dlib = dlopen("d3d11.dll", 0);
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dxgilib = dlopen("dxgi.dll", 0);
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if (!d3dlib || !dxgilib)
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return;
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