STDMETHODIMP_     690 modules/videoio/src/cap_dshow.cpp     STDMETHODIMP_(ULONG) AddRef() { return 1; }
STDMETHODIMP_     691 modules/videoio/src/cap_dshow.cpp     STDMETHODIMP_(ULONG) Release() { return 2; }
STDMETHODIMP_    1661 modules/videoio/src/cap_msmf.cpp STDMETHODIMP_(ULONG) ImageGrabber::AddRef()
STDMETHODIMP_    1666 modules/videoio/src/cap_msmf.cpp STDMETHODIMP_(ULONG) ImageGrabber::Release()