86 lines
2.8 KiB
Plaintext
86 lines
2.8 KiB
Plaintext
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// RefClock.idl : IDL source for RefClock.dll
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//
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// This file will be processed by the MIDL tool to
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// produce the type library (RefClock.tlb) and marshalling code.
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//=====================================================================
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//=====================================================================
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// time information
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//
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// This represents a time (either reference or stream) in 100ns units
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// The class library contains a CRefTime helper class
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// that supports simple comparison and arithmetic operations
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//=====================================================================
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//=====================================================================
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// Win32 HANDLEs have to be cast to these as the MIDL compiler doesn't
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// like the HANDLE type or in fact anything remotely associated with
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// them. If this ever gets ported to a MAC environment then these will
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// have to become an alertable synchronisation object that it supports
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//typedef DWORD_PTR HSEMAPHORE;
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//typedef DWORD_PTR HEVENT;
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typedef unsigned long HSEMAPHORE;
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typedef unsigned long HEVENT;
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typedef __int64 REFERENCE_TIME;
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typedef double REFTIME;
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import "oaidl.idl";
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import "ocidl.idl";
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[
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object,
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uuid(56a86897-0ad4-11ce-b03a-0020af0ba770),
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helpstring("IReferenceClock Interface"),
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pointer_default(unique)
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]
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interface IReferenceClock : IUnknown
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{
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// get the time now
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HRESULT GetTime(
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[out] REFERENCE_TIME *pTime
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);
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// ask for an async notification that a time has elapsed
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HRESULT AdviseTime(
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[in] REFERENCE_TIME baseTime, // base reference time
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[in] REFERENCE_TIME streamTime, // stream offset time
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[in] HEVENT hEvent, // advise via this event
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[out] DWORD_PTR * pdwAdviseCookie // where your cookie goes
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);
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// ask for an async periodic notification that a time has elapsed
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HRESULT AdvisePeriodic(
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[in] REFERENCE_TIME startTime, // starting at this time
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[in] REFERENCE_TIME periodTime, // time between notifications
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[in] HSEMAPHORE hSemaphore, // advise via a semaphore
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[out] DWORD_PTR * pdwAdviseCookie // where your cookie goes
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);
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// cancel a request for notification
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HRESULT Unadvise(
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[in] DWORD_PTR dwAdviseCookie);
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};
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[
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uuid(600A1B0F-038E-48CD-8EAE-0E2CFA9D0FD4),
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version(1.0),
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helpstring("RefClock 1.0 Type Library")
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]
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library REFCLOCKLib
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{
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importlib("stdole2.tlb");
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[
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uuid(CF8767F3-7913-4F90-A279-4CED5BF64B4F),
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helpstring("ReferenceClock Class")
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]
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coclass ReferenceClock
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{
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[default] interface IReferenceClock;
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};
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};
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