47 lines
1.4 KiB
C
47 lines
1.4 KiB
C
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// Copyright (c) 1996-1999 Microsoft Corporation
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// clock.h
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#ifndef __CCLOCK_H__
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#define __CCLOCK_H__
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class CDSLink;
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class CClock : public IReferenceClock
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{
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public:
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/* IUnknown methods */
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STDMETHOD(QueryInterface)(THIS_ REFIID riid, LPVOID FAR* ppvObj);
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STDMETHOD_(ULONG, AddRef)(THIS);
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STDMETHOD_(ULONG, Release)(THIS);
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/* IReferenceClock methods */
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HRESULT STDMETHODCALLTYPE GetTime(
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/* [out] */ REFERENCE_TIME __RPC_FAR *pTime);
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HRESULT STDMETHODCALLTYPE AdviseTime(
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/* [in] */ REFERENCE_TIME baseTime,
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/* [in] */ REFERENCE_TIME streamTime,
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/* [in] */ HANDLE hEvent,
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/* [out] */ DWORD __RPC_FAR *pdwAdviseCookie);
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HRESULT STDMETHODCALLTYPE AdvisePeriodic(
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/* [in] */ REFERENCE_TIME startTime,
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/* [in] */ REFERENCE_TIME periodTime,
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/* [in] */ HANDLE hSemaphore,
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/* [out] */ DWORD __RPC_FAR *pdwAdviseCookie);
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HRESULT STDMETHODCALLTYPE Unadvise(
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/* [in] */ DWORD dwAdviseCookie);
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CClock();
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void Init(CDSLink *pDSLink);
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void Stop(); // Call store current time as offset.
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void Start(); // Call to reinstate running.
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private:
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BOOL m_fStopped; // Currently changing configuration.
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CDSLink * m_pDSLink; // Pointer to parent DSLink structure.
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};
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#endif //__CCLOCK_H__
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