问题
I use v4l2loopback to generate a webcam in linux and I feed the virtual webcam with Opencv images.
I would like to do the same on Windows. I found this example:
https://github.com/rdp/open-source-directshow-video-capture-demo-filter
When I try to compile it I get this error:
Severity Code Description Project File Line Suppression State
Error (active) cannot open source file "streams.h" vcam_vs_2010 c:\Users\seniordev\Desktop\open-source-directshow-video-capture-demo-filter-master\open-source-directshow-video-capture-demo-filter-master\vcam_vs_2010_demo_video_capture_project\vcam_vs_2010\Dll.cpp 23
Error (active) cannot open source file "olectl.h" vcam_vs_2010 c:\Users\seniordev\Desktop\open-source-directshow-video-capture-demo-filter-master\open-source-directshow-video-capture-demo-filter-master\vcam_vs_2010_demo_video_capture_project\vcam_vs_2010\Dll.cpp 24
Error (active) cannot open source file "initguid.h" vcam_vs_2010 c:\Users\seniordev\Desktop\open-source-directshow-video-capture-demo-filter-master\open-source-directshow-video-capture-demo-filter-master\vcam_vs_2010_demo_video_capture_project\vcam_vs_2010\Dll.cpp 25
Error (active) cannot open source file "dllsetup.h" vcam_vs_2010 c:\Users\seniordev\Desktop\open-source-directshow-video-capture-demo-filter-master\open-source-directshow-video-capture-demo-filter-master\vcam_vs_2010_demo_video_capture_project\vcam_vs_2010\Dll.cpp 26
Error (active) identifier "STDAPI" is undefined vcam_vs_2010 c:\Users\seniordev\Desktop\open-source-directshow-video-capture-demo-filter-master\open-source-directshow-video-capture-demo-filter-master\vcam_vs_2010_demo_video_capture_project\vcam_vs_2010\Dll.cpp 31
Error (active) identifier "CLSID" is undefined vcam_vs_2010 c:\Users\seniordev\Desktop\open-source-directshow-video-capture-demo-filter-master\open-source-directshow-video-capture-demo-filter-master\vcam_vs_2010_demo_video_capture_project\vcam_vs_2010\Dll.cpp 31
Error (active) identifier "LPCWSTR" is undefined vcam_vs_2010 c:\Users\seniordev\Desktop\open-source-directshow-video-capture-demo-filter-master\open-source-directshow-video-capture-demo-filter-master\vcam_vs_2010_demo_video_capture_project\vcam_vs_2010\Dll.cpp 31
Error (active) identifier "LPCWSTR" is undefined vcam_vs_2010 c:\Users\seniordev\Desktop\open-source-directshow-video-capture-demo-filter-master\open-source-directshow-video-capture-demo-filter-master\vcam_vs_2010_demo_video_capture_project\vcam_vs_2010\Dll.cpp 31
Error (active) identifier "LPCWSTR" is undefined vcam_vs_2010 c:\Users\seniordev\Desktop\open-source-directshow-video-capture-demo-filter-master\open-source-directshow-video-capture-demo-filter-master\vcam_vs_2010_demo_video_capture_project\vcam_vs_2010\Dll.cpp 31
Error (active) identifier "LPCWSTR" is undefined vcam_vs_2010 c:\Users\seniordev\Desktop\open-source-directshow-video-capture-demo-filter-master\open-source-directshow-video-capture-demo-filter-master\vcam_vs_2010_demo_video_capture_project\vcam_vs_2010\Dll.cpp 31
Error (active) identifier "STDAPI" is undefined vcam_vs_2010 c:\Users\seniordev\Desktop\open-source-directshow-video-capture-demo-filter-master\open-source-directshow-video-capture-demo-filter-master\vcam_vs_2010_demo_video_capture_project\vcam_vs_2010\Dll.cpp 32
Error (active) identifier "CLSID" is undefined vcam_vs_2010 c:\Users\seniordev\Desktop\open-source-directshow-video-capture-demo-filter-master\open-source-directshow-video-capture-demo-filter-master\vcam_vs_2010_demo_video_capture_project\vcam_vs_2010\Dll.cpp 32
Error (active) this declaration has no storage class or type specifier vcam_vs_2010 c:\Users\seniordev\Desktop\open-source-directshow-video-capture-demo-filter-master\open-source-directshow-video-capture-demo-filter-master\vcam_vs_2010_demo_video_capture_project\vcam_vs_2010\Dll.cpp 37
Error (active) identifier "CLSID_VirtualCam" is undefined vcam_vs_2010 c:\Users\seniordev\Desktop\open-source-directshow-video-capture-demo-filter-master\open-source-directshow-video-capture-demo-filter-master\vcam_vs_2010_demo_video_capture_project\vcam_vs_2010\Dll.cpp 37
Error (active) expected a ')' vcam_vs_2010 c:\Users\seniordev\Desktop\open-source-directshow-video-capture-demo-filter-master\open-source-directshow-video-capture-demo-filter-master\vcam_vs_2010_demo_video_capture_project\vcam_vs_2010\Dll.cpp 37
Error (active) identifier "AMOVIESETUP_MEDIATYPE" is undefined vcam_vs_2010 c:\Users\seniordev\Desktop\open-source-directshow-video-capture-demo-filter-master\open-source-directshow-video-capture-demo-filter-master\vcam_vs_2010_demo_video_capture_project\vcam_vs_2010\Dll.cpp 41
Error (active) identifier "MEDIATYPE_Video" is undefined vcam_vs_2010 c:\Users\seniordev\Desktop\open-source-directshow-video-capture-demo-filter-master\open-source-directshow-video-capture-demo-filter-master\vcam_vs_2010_demo_video_capture_project\vcam_vs_2010\Dll.cpp 43
Error (active) identifier "MEDIASUBTYPE_NULL" is undefined vcam_vs_2010 c:\Users\seniordev\Desktop\open-source-directshow-video-capture-demo-filter-master\open-source-directshow-video-capture-demo-filter-master\vcam_vs_2010_demo_video_capture_project\vcam_vs_2010\Dll.cpp 44
Error (active) identifier "AMOVIESETUP_PIN" is undefined vcam_vs_2010 c:\Users\seniordev\Desktop\open-source-directshow-video-capture-demo-filter-master\open-source-directshow-video-capture-demo-filter-master\vcam_vs_2010_demo_video_capture_project\vcam_vs_2010\Dll.cpp 47
Error (active) identifier "FALSE" is undefined vcam_vs_2010 c:\Users\seniordev\Desktop\open-source-directshow-video-capture-demo-filter-master\open-source-directshow-video-capture-demo-filter-master\vcam_vs_2010_demo_video_capture_project\vcam_vs_2010\Dll.cpp 50
Error (active) identifier "TRUE" is undefined vcam_vs_2010 c:\Users\seniordev\Desktop\open-source-directshow-video-capture-demo-filter-master\open-source-directshow-video-capture-demo-filter-master\vcam_vs_2010_demo_video_capture_project\vcam_vs_2010\Dll.cpp 51
Error (active) identifier "FALSE" is undefined vcam_vs_2010 c:\Users\seniordev\Desktop\open-source-directshow-video-capture-demo-filter-master\open-source-directshow-video-capture-demo-filter-master\vcam_vs_2010_demo_video_capture_project\vcam_vs_2010\Dll.cpp 52
Error (active) identifier "FALSE" is undefined vcam_vs_2010 c:\Users\seniordev\Desktop\open-source-directshow-video-capture-demo-filter-master\open-source-directshow-video-capture-demo-filter-master\vcam_vs_2010_demo_video_capture_project\vcam_vs_2010\Dll.cpp 53
Error (active) identifier "CLSID_NULL" is undefined vcam_vs_2010 c:\Users\seniordev\Desktop\open-source-directshow-video-capture-demo-filter-master\open-source-directshow-video-capture-demo-filter-master\vcam_vs_2010_demo_video_capture_project\vcam_vs_2010\Dll.cpp 54
Error (active) identifier "NULL" is undefined vcam_vs_2010 c:\Users\seniordev\Desktop\open-source-directshow-video-capture-demo-filter-master\open-source-directshow-video-capture-demo-filter-master\vcam_vs_2010_demo_video_capture_project\vcam_vs_2010\Dll.cpp 55
Error (active) identifier "AMOVIESETUP_FILTER" is undefined vcam_vs_2010 c:\Users\seniordev\Desktop\open-source-directshow-video-capture-demo-filter-master\open-source-directshow-video-capture-demo-filter-master\vcam_vs_2010_demo_video_capture_project\vcam_vs_2010\Dll.cpp 60
Error (active) identifier "CLSID_VirtualCam" is undefined vcam_vs_2010 c:\Users\seniordev\Desktop\open-source-directshow-video-capture-demo-filter-master\open-source-directshow-video-capture-demo-filter-master\vcam_vs_2010_demo_video_capture_project\vcam_vs_2010\Dll.cpp 62
Error (active) identifier "MERIT_DO_NOT_USE" is undefined vcam_vs_2010 c:\Users\seniordev\Desktop\open-source-directshow-video-capture-demo-filter-master\open-source-directshow-video-capture-demo-filter-master\vcam_vs_2010_demo_video_capture_project\vcam_vs_2010\Dll.cpp 64
Error (active) identifier "CFactoryTemplate" is undefined vcam_vs_2010 c:\Users\seniordev\Desktop\open-source-directshow-video-capture-demo-filter-master\open-source-directshow-video-capture-demo-filter-master\vcam_vs_2010_demo_video_capture_project\vcam_vs_2010\Dll.cpp 69
Error (active) identifier "CLSID_VirtualCam" is undefined vcam_vs_2010 c:\Users\seniordev\Desktop\open-source-directshow-video-capture-demo-filter-master\open-source-directshow-video-capture-demo-filter-master\vcam_vs_2010_demo_video_capture_project\vcam_vs_2010\Dll.cpp 73
Error (active) class "CVCam" has no member "CreateInstance" vcam_vs_2010 c:\Users\seniordev\Desktop\open-source-directshow-video-capture-demo-filter-master\open-source-directshow-video-capture-demo-filter-master\vcam_vs_2010_demo_video_capture_project\vcam_vs_2010\Dll.cpp 74
Error (active) identifier "NULL" is undefined vcam_vs_2010 c:\Users\seniordev\Desktop\open-source-directshow-video-capture-demo-filter-master\open-source-directshow-video-capture-demo-filter-master\vcam_vs_2010_demo_video_capture_project\vcam_vs_2010\Dll.cpp 75
Error (active) identifier "STDAPI" is undefined vcam_vs_2010 c:\Users\seniordev\Desktop\open-source-directshow-video-capture-demo-filter-master\open-source-directshow-video-capture-demo-filter-master\vcam_vs_2010_demo_video_capture_project\vcam_vs_2010\Dll.cpp 83
Error (active) identifier "BOOL" is undefined vcam_vs_2010 c:\Users\seniordev\Desktop\open-source-directshow-video-capture-demo-filter-master\open-source-directshow-video-capture-demo-filter-master\vcam_vs_2010_demo_video_capture_project\vcam_vs_2010\Dll.cpp 83
Error (active) identifier "HRESULT" is undefined vcam_vs_2010 c:\Users\seniordev\Desktop\open-source-directshow-video-capture-demo-filter-master\open-source-directshow-video-capture-demo-filter-master\vcam_vs_2010_demo_video_capture_project\vcam_vs_2010\Dll.cpp 85
Error (active) identifier "NOERROR" is undefined vcam_vs_2010 c:\Users\seniordev\Desktop\open-source-directshow-video-capture-demo-filter-master\open-source-directshow-video-capture-demo-filter-master\vcam_vs_2010_demo_video_capture_project\vcam_vs_2010\Dll.cpp 85
Error (active) identifier "WCHAR" is undefined vcam_vs_2010 c:\Users\seniordev\Desktop\open-source-directshow-video-capture-demo-filter-master\open-source-directshow-video-capture-demo-filter-master\vcam_vs_2010_demo_video_capture_project\vcam_vs_2010\Dll.cpp 86
Error (active) identifier "MAX_PATH" is undefined vcam_vs_2010 c:\Users\seniordev\Desktop\open-source-directshow-video-capture-demo-filter-master\open-source-directshow-video-capture-demo-filter-master\vcam_vs_2010_demo_video_capture_project\vcam_vs_2010\Dll.cpp 86
Error (active) identifier "ASSERT" is undefined vcam_vs_2010 c:\Users\seniordev\Desktop\open-source-directshow-video-capture-demo-filter-master\open-source-directshow-video-capture-demo-filter-master\vcam_vs_2010_demo_video_capture_project\vcam_vs_2010\Dll.cpp 88
Error (active) identifier "g_hInst" is undefined vcam_vs_2010 c:\Users\seniordev\Desktop\open-source-directshow-video-capture-demo-filter-master\open-source-directshow-video-capture-demo-filter-master\vcam_vs_2010_demo_video_capture_project\vcam_vs_2010\Dll.cpp 88
Error (active) identifier "GetModuleFileNameA" is undefined vcam_vs_2010 c:\Users\seniordev\Desktop\open-source-directshow-video-capture-demo-filter-master\open-source-directshow-video-capture-demo-filter-master\vcam_vs_2010_demo_video_capture_project\vcam_vs_2010\Dll.cpp 90
Error (active) identifier "AmHresultFromWin32" is undefined vcam_vs_2010 c:\Users\seniordev\Desktop\open-source-directshow-video-capture-demo-filter-master\open-source-directshow-video-capture-demo-filter-master\vcam_vs_2010_demo_video_capture_project\vcam_vs_2010\Dll.cpp 91
Error (active) identifier "GetLastError" is undefined vcam_vs_2010 c:\Users\seniordev\Desktop\open-source-directshow-video-capture-demo-filter-master\open-source-directshow-video-capture-demo-filter-master\vcam_vs_2010_demo_video_capture_project\vcam_vs_2010\Dll.cpp 91
Error (active) identifier "MultiByteToWideChar" is undefined vcam_vs_2010 c:\Users\seniordev\Desktop\open-source-directshow-video-capture-demo-filter-master\open-source-directshow-video-capture-demo-filter-master\vcam_vs_2010_demo_video_capture_project\vcam_vs_2010\Dll.cpp 93
Error (active) identifier "CP_ACP" is undefined vcam_vs_2010 c:\Users\seniordev\Desktop\open-source-directshow-video-capture-demo-filter-master\open-source-directshow-video-capture-demo-filter-master\vcam_vs_2010_demo_video_capture_project\vcam_vs_2010\Dll.cpp 93
Error (active) identifier "lstrlenA" is undefined vcam_vs_2010 c:\Users\seniordev\Desktop\open-source-directshow-video-capture-demo-filter-master\open-source-directshow-video-capture-demo-filter-master\vcam_vs_2010_demo_video_capture_project\vcam_vs_2010\Dll.cpp 93
Error (active) identifier "NUMELMS" is undefined vcam_vs_2010 c:\Users\seniordev\Desktop\open-source-directshow-video-capture-demo-filter-master\open-source-directshow-video-capture-demo-filter-master\vcam_vs_2010_demo_video_capture_project\vcam_vs_2010\Dll.cpp 94
Error (active) identifier "CoInitialize" is undefined vcam_vs_2010 c:\Users\seniordev\Desktop\open-source-directshow-video-capture-demo-filter-master\open-source-directshow-video-capture-demo-filter-master\vcam_vs_2010_demo_video_capture_project\vcam_vs_2010\Dll.cpp 96
Error (active) identifier "CLSID_VirtualCam" is undefined vcam_vs_2010 c:\Users\seniordev\Desktop\open-source-directshow-video-capture-demo-filter-master\open-source-directshow-video-capture-demo-filter-master\vcam_vs_2010_demo_video_capture_project\vcam_vs_2010\Dll.cpp 99
Error (active) identifier "SUCCEEDED" is undefined vcam_vs_2010 c:\Users\seniordev\Desktop\open-source-directshow-video-capture-demo-filter-master\open-source-directshow-video-capture-demo-filter-master\vcam_vs_2010_demo_video_capture_project\vcam_vs_2010\Dll.cpp 102
Error (active) identifier "IFilterMapper2" is undefined vcam_vs_2010 c:\Users\seniordev\Desktop\open-source-directshow-video-capture-demo-filter-master\open-source-directshow-video-capture-demo-filter-master\vcam_vs_2010_demo_video_capture_project\vcam_vs_2010\Dll.cpp 104
Error (active) identifier "fm" is undefined vcam_vs_2010 c:\Users\seniordev\Desktop\open-source-directshow-video-capture-demo-filter-master\open-source-directshow-video-capture-demo-filter-master\vcam_vs_2010_demo_video_capture_project\vcam_vs_2010\Dll.cpp 104
Error (active) identifier "CLSID_FilterMapper2" is undefined vcam_vs_2010 c:\Users\seniordev\Desktop\open-source-directshow-video-capture-demo-filter-master\open-source-directshow-video-capture-demo-filter-master\vcam_vs_2010_demo_video_capture_project\vcam_vs_2010\Dll.cpp 105
Error (active) identifier "IMoniker" is undefined vcam_vs_2010 c:\Users\seniordev\Desktop\open-source-directshow-video-capture-demo-filter-master\open-source-directshow-video-capture-demo-filter-master\vcam_vs_2010_demo_video_capture_project\vcam_vs_2010\Dll.cpp 110
Error (active) identifier "pMoniker" is undefined vcam_vs_2010 c:\Users\seniordev\Desktop\open-source-directshow-video-capture-demo-filter-master\open-source-directshow-video-capture-demo-filter-master\vcam_vs_2010_demo_video_capture_project\vcam_vs_2010\Dll.cpp 110
Error (active) identifier "REGFILTER2" is undefined vcam_vs_2010 c:\Users\seniordev\Desktop\open-source-directshow-video-capture-demo-filter-master\open-source-directshow-video-capture-demo-filter-master\vcam_vs_2010_demo_video_capture_project\vcam_vs_2010\Dll.cpp 111
Error (active) identifier "MERIT_DO_NOT_USE" is undefined vcam_vs_2010 c:\Users\seniordev\Desktop\open-source-directshow-video-capture-demo-filter-master\open-source-directshow-video-capture-demo-filter-master\vcam_vs_2010_demo_video_capture_project\vcam_vs_2010\Dll.cpp 113
Error (active) identifier "CLSID_VirtualCam" is undefined vcam_vs_2010 c:\Users\seniordev\Desktop\open-source-directshow-video-capture-demo-filter-master\open-source-directshow-video-capture-demo-filter-master\vcam_vs_2010_demo_video_capture_project\vcam_vs_2010\Dll.cpp 116
Error (active) identifier "CLSID_VideoInputDeviceCategory" is undefined vcam_vs_2010 c:\Users\seniordev\Desktop\open-source-directshow-video-capture-demo-filter-master\open-source-directshow-video-capture-demo-filter-master\vcam_vs_2010_demo_video_capture_project\vcam_vs_2010\Dll.cpp 116
Error (active) identifier "CLSID_VideoInputDeviceCategory" is undefined vcam_vs_2010 c:\Users\seniordev\Desktop\open-source-directshow-video-capture-demo-filter-master\open-source-directshow-video-capture-demo-filter-master\vcam_vs_2010_demo_video_capture_project\vcam_vs_2010\Dll.cpp 120
Error (active) identifier "CLSID_VirtualCam" is undefined vcam_vs_2010 c:\Users\seniordev\Desktop\open-source-directshow-video-capture-demo-filter-master\open-source-directshow-video-capture-demo-filter-master\vcam_vs_2010_demo_video_capture_project\vcam_vs_2010\Dll.cpp 120
Error (active) identifier "CLSID_VirtualCam" is undefined vcam_vs_2010 c:\Users\seniordev\Desktop\open-source-directshow-video-capture-demo-filter-master\open-source-directshow-video-capture-demo-filter-master\vcam_vs_2010_demo_video_capture_project\vcam_vs_2010\Dll.cpp 131
Error (active) identifier "CoFreeUnusedLibraries" is undefined vcam_vs_2010 c:\Users\seniordev\Desktop\open-source-directshow-video-capture-demo-filter-master\open-source-directshow-video-capture-demo-filter-master\vcam_vs_2010_demo_video_capture_project\vcam_vs_2010\Dll.cpp 133
Error (active) identifier "CoUninitialize" is undefined vcam_vs_2010 c:\Users\seniordev\Desktop\open-source-directshow-video-capture-demo-filter-master\open-source-directshow-video-capture-demo-filter-master\vcam_vs_2010_demo_video_capture_project\vcam_vs_2010\Dll.cpp 134
Error (active) identifier "STDAPI" is undefined vcam_vs_2010 c:\Users\seniordev\Desktop\open-source-directshow-video-capture-demo-filter-master\open-source-directshow-video-capture-demo-filter-master\vcam_vs_2010_demo_video_capture_project\vcam_vs_2010\Dll.cpp 138
Error (active) identifier "TRUE" is undefined vcam_vs_2010 c:\Users\seniordev\Desktop\open-source-directshow-video-capture-demo-filter-master\open-source-directshow-video-capture-demo-filter-master\vcam_vs_2010_demo_video_capture_project\vcam_vs_2010\Dll.cpp 140
Error (active) identifier "STDAPI" is undefined vcam_vs_2010 c:\Users\seniordev\Desktop\open-source-directshow-video-capture-demo-filter-master\open-source-directshow-video-capture-demo-filter-master\vcam_vs_2010_demo_video_capture_project\vcam_vs_2010\Dll.cpp 143
Error (active) identifier "FALSE" is undefined vcam_vs_2010 c:\Users\seniordev\Desktop\open-source-directshow-video-capture-demo-filter-master\open-source-directshow-video-capture-demo-filter-master\vcam_vs_2010_demo_video_capture_project\vcam_vs_2010\Dll.cpp 145
Error (active) identifier "BOOL" is undefined vcam_vs_2010 c:\Users\seniordev\Desktop\open-source-directshow-video-capture-demo-filter-master\open-source-directshow-video-capture-demo-filter-master\vcam_vs_2010_demo_video_capture_project\vcam_vs_2010\Dll.cpp 148
Error (active) expected a ';' vcam_vs_2010 c:\Users\seniordev\Desktop\open-source-directshow-video-capture-demo-filter-master\open-source-directshow-video-capture-demo-filter-master\vcam_vs_2010_demo_video_capture_project\vcam_vs_2010\Dll.cpp 148
Error (active) identifier "BOOL" is undefined vcam_vs_2010 c:\Users\seniordev\Desktop\open-source-directshow-video-capture-demo-filter-master\open-source-directshow-video-capture-demo-filter-master\vcam_vs_2010_demo_video_capture_project\vcam_vs_2010\Dll.cpp 150
Error (active) expected a ';' vcam_vs_2010 c:\Users\seniordev\Desktop\open-source-directshow-video-capture-demo-filter-master\open-source-directshow-video-capture-demo-filter-master\vcam_vs_2010_demo_video_capture_project\vcam_vs_2010\Dll.cpp 150
Error (active) this declaration has no storage class or type specifier vcam_vs_2010 c:\Users\seniordev\Desktop\open-source-directshow-video-capture-demo-filter-master\open-source-directshow-video-capture-demo-filter-master\vcam_vs_2010_demo_video_capture_project\vcam_vs_2010\Filters.h 5
Error (active) expected a ';' vcam_vs_2010 c:\Users\seniordev\Desktop\open-source-directshow-video-capture-demo-filter-master\open-source-directshow-video-capture-demo-filter-master\vcam_vs_2010_demo_video_capture_project\vcam_vs_2010\Filters.h 5
Error (active) not a class or struct name vcam_vs_2010 c:\Users\seniordev\Desktop\open-source-directshow-video-capture-demo-filter-master\open-source-directshow-video-capture-demo-filter-master\vcam_vs_2010_demo_video_capture_project\vcam_vs_2010\Filters.h 8
Error (active) identifier "CUnknown" is undefined vcam_vs_2010 c:\Users\seniordev\Desktop\open-source-directshow-video-capture-demo-filter-master\open-source-directshow-video-capture-demo-filter-master\vcam_vs_2010_demo_video_capture_project\vcam_vs_2010\Filters.h 14
Error (active) expected a ';' vcam_vs_2010 c:\Users\seniordev\Desktop\open-source-directshow-video-capture-demo-filter-master\open-source-directshow-video-capture-demo-filter-master\vcam_vs_2010_demo_video_capture_project\vcam_vs_2010\Filters.h 14
Error (active) identifier "STDMETHODIMP" is undefined vcam_vs_2010 c:\Users\seniordev\Desktop\open-source-directshow-video-capture-demo-filter-master\open-source-directshow-video-capture-demo-filter-master\vcam_vs_2010_demo_video_capture_project\vcam_vs_2010\Filters.h 15
Error (active) identifier "REFIID" is undefined vcam_vs_2010 c:\Users\seniordev\Desktop\open-source-directshow-video-capture-demo-filter-master\open-source-directshow-video-capture-demo-filter-master\vcam_vs_2010_demo_video_capture_project\vcam_vs_2010\Filters.h 15
Error (active) identifier "IFilterGraph" is undefined vcam_vs_2010 c:\Users\seniordev\Desktop\open-source-directshow-video-capture-demo-filter-master\open-source-directshow-video-capture-demo-filter-master\vcam_vs_2010_demo_video_capture_project\vcam_vs_2010\Filters.h 17
Error (active) identifier "LPUNKNOWN" is undefined vcam_vs_2010 c:\Users\seniordev\Desktop\open-source-directshow-video-capture-demo-filter-master\open-source-directshow-video-capture-demo-filter-master\vcam_vs_2010_demo_video_capture_project\vcam_vs_2010\Filters.h 20
Error (active) identifier "HRESULT" is undefined vcam_vs_2010 c:\Users\seniordev\Desktop\open-source-directshow-video-capture-demo-filter-master\open-source-directshow-video-capture-demo-filter-master\vcam_vs_2010_demo_video_capture_project\vcam_vs_2010\Filters.h 20
Error (active) cannot open source file "windows.h" vcam_vs_2010 c:\Users\seniordev\Desktop\open-source-directshow-video-capture-demo-filter-master\open-source-directshow-video-capture-demo-filter-master\vcam_vs_2010_demo_video_capture_project\vcam_vs_2010\stdafx.h 12
Error (active) cannot open source file "SDKDDKVer.h" vcam_vs_2010 c:\Users\seniordev\Desktop\open-source-directshow-video-capture-demo-filter-master\open-source-directshow-video-capture-demo-filter-master\vcam_vs_2010_demo_video_capture_project\vcam_vs_2010\targetver.h 8
Error C1083 Cannot open include file: 'SDKDDKVer.h': No such file or directory vcam_vs_2010 c:\users\seniordev\desktop\open-source-directshow-video-capture-demo-filter-master\open-source-directshow-video-capture-demo-filter-master\vcam_vs_2010_demo_video_capture_project\vcam_vs_2010\targetver.h 8
Most of the file in the error list can't be find in Windows folders.
How can I compile that project properly or where could I get an other windows virtual webcam example?
来源：https://stackoverflow.com/questions/44047422/artificial-webcam-on-windows