86 lines
1.4 KiB
C++
86 lines
1.4 KiB
C++
// Copyright (c) 1998 Microsoft Corporation
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//
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// syslink.cpp
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//
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#include "common.h"
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#include <mmsystem.h>
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CSysLink::CSysLink()
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{
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m_cRef = 1;
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}
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CSysLink::~CSysLink()
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{
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}
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STDMETHODIMP CSysLink::QueryInterface(const IID &iid, void **ppv)
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{
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if (IsEqualGUIDAligned(iid, IID_IUnknown))
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{
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*ppv = PVOID(PUNKNOWN(this));
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}
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else if (IsEqualGUIDAligned(iid, IID_IDirectMusicSynthSink))
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{
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*ppv = PVOID(PDIRECTMUSICSYNTHSINK(this));
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}
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else
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{
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return E_NOINTERFACE;
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}
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return S_OK;
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}
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STDMETHODIMP_(ULONG) CSysLink::AddRef()
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{
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return InterlockedIncrement(&m_cRef);
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}
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STDMETHODIMP_(ULONG) CSysLink::Release()
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{
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if (InterlockedDecrement(&m_cRef) == 0)
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{
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delete this;
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return 0;
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}
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return m_cRef;
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}
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STDMETHODIMP CSysLink::Init(CSynth *pSynth)
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{
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return S_OK;
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}
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STDMETHODIMP CSysLink::SetFormat(LPCWAVEFORMATEX pWaveFormat)
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{
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return S_OK;
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}
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STDMETHODIMP CSysLink::SetMasterClock(IReferenceClock *pClock)
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{
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return S_OK;
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}
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STDMETHODIMP CSysLink::GetLatencyClock(IReferenceClock **ppClock)
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{
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return S_OK;
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}
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STDMETHODIMP CSysLink::Activate(HWND hWnd, BOOL fEnable)
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{
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return S_OK;
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}
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STDMETHODIMP CSysLink::SampleToRefTime(LONGLONG llSampleTime,REFERENCE_TIME *prfTime)
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{
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return S_OK;
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}
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STDMETHODIMP CSysLink::RefTimeToSample(REFERENCE_TIME rfTime, LONGLONG *pllSampleTime)
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{
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return S_OK;
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}
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