OnSetPresentationClock  386 modules/videoio/src/cap_msmf.cpp     STDMETHODIMP OnSetPresentationClock(IMFPresentationClock* pClock);
OnSetPresentationClock  433 modules/videoio/src/cap_msmf.cpp     STDMETHODIMP OnSetPresentationClock(IMFPresentationClock* pClock) { return ImageGrabberCallback::OnSetPresentationClock(pClock); }
OnSetPresentationClock 3098 modules/videoio/src/cap_msmf.hpp             hr = pSampleCallback->OnSetPresentationClock(pPresentationClock);