IDirectDrawSurface_GetPixelFormat 1942 3rdparty/include/dshow/ddraw.h #define IDirectDrawSurface_GetPixelFormat(p,a) (p)->lpVtbl->GetPixelFormat(p,a) IDirectDrawSurface_GetPixelFormat 1981 3rdparty/include/dshow/ddraw.h #define IDirectDrawSurface_GetPixelFormat(p,a) (p)->GetPixelFormat(a)