mirror of
https://github.com/reactos/reactos.git
synced 2024-10-31 03:48:17 +00:00
135 lines
2.8 KiB
C++
135 lines
2.8 KiB
C++
/*
|
|
* COPYRIGHT: See COPYING in the top level directory
|
|
* PROJECT: ReactOS WDM Streaming ActiveMovie Proxy
|
|
* FILE: dll/directx/ksproxy/clockforward.cpp
|
|
* PURPOSE: IKsClockForwarder interface
|
|
*
|
|
* PROGRAMMERS: Johannes Anderwald (johannes.anderwald@reactos.org)
|
|
*/
|
|
#include "precomp.h"
|
|
|
|
#define IID_IKsQualityForwarder KSCATEGORY_QUALITY
|
|
|
|
class CKsQualityForwarder : public IKsQualityForwarder
|
|
{
|
|
public:
|
|
STDMETHODIMP QueryInterface( REFIID InterfaceId, PVOID* Interface);
|
|
|
|
STDMETHODIMP_(ULONG) AddRef()
|
|
{
|
|
InterlockedIncrement(&m_Ref);
|
|
return m_Ref;
|
|
}
|
|
STDMETHODIMP_(ULONG) Release()
|
|
{
|
|
InterlockedDecrement(&m_Ref);
|
|
|
|
if (!m_Ref)
|
|
{
|
|
delete this;
|
|
return 0;
|
|
}
|
|
return m_Ref;
|
|
}
|
|
|
|
// IKsObject interface
|
|
HANDLE STDMETHODCALLTYPE KsGetObjectHandle();
|
|
|
|
// IKsQualityForwarder
|
|
VOID STDMETHODCALLTYPE KsFlushClient(IN IKsPin *Pin);
|
|
|
|
CKsQualityForwarder(HANDLE handle) : m_Ref(0), m_Handle(handle){}
|
|
virtual ~CKsQualityForwarder(){ if (m_Handle) CloseHandle(m_Handle);}
|
|
|
|
protected:
|
|
LONG m_Ref;
|
|
HANDLE m_Handle;
|
|
|
|
|
|
};
|
|
|
|
HRESULT
|
|
STDMETHODCALLTYPE
|
|
CKsQualityForwarder::QueryInterface(
|
|
IN REFIID refiid,
|
|
OUT PVOID* Output)
|
|
{
|
|
if (IsEqualGUID(refiid, IID_IUnknown) ||
|
|
IsEqualGUID(refiid, IID_IKsQualityForwarder))
|
|
{
|
|
*Output = PVOID(this);
|
|
reinterpret_cast<IUnknown*>(*Output)->AddRef();
|
|
return NOERROR;
|
|
}
|
|
|
|
return E_NOINTERFACE;
|
|
}
|
|
|
|
//-------------------------------------------------------------------
|
|
// IKsObject interface
|
|
//
|
|
|
|
HANDLE
|
|
STDMETHODCALLTYPE
|
|
CKsQualityForwarder::KsGetObjectHandle()
|
|
{
|
|
return m_Handle;
|
|
}
|
|
|
|
//-------------------------------------------------------------------
|
|
// IKsQualityForwarder interface
|
|
//
|
|
VOID
|
|
STDMETHODCALLTYPE
|
|
CKsQualityForwarder::KsFlushClient(
|
|
IN IKsPin *Pin)
|
|
{
|
|
#ifdef KSPROXY_TRACE
|
|
OutputDebugString("UNIMPLEMENTED\n");
|
|
#endif
|
|
}
|
|
|
|
HRESULT
|
|
WINAPI
|
|
CKsQualityForwarder_Constructor(
|
|
IUnknown * pUnkOuter,
|
|
REFIID riid,
|
|
LPVOID * ppv)
|
|
{
|
|
HRESULT hr;
|
|
HANDLE handle;
|
|
|
|
#ifdef KSPROXY_TRACE
|
|
OutputDebugStringW(L"CKsQualityForwarder_Constructor\n");
|
|
#endif
|
|
|
|
// open default clock
|
|
hr = KsOpenDefaultDevice(KSCATEGORY_QUALITY, GENERIC_READ | GENERIC_WRITE, &handle);
|
|
|
|
if (hr != NOERROR)
|
|
{
|
|
#ifdef KSPROXY_TRACE
|
|
OutputDebugString("CKsClockForwarder_Constructor failed to open device\n");
|
|
#endif
|
|
return hr;
|
|
}
|
|
|
|
CKsQualityForwarder * quality = new CKsQualityForwarder(handle);
|
|
|
|
if (!quality)
|
|
{
|
|
// free clock handle
|
|
CloseHandle(handle);
|
|
return E_OUTOFMEMORY;
|
|
}
|
|
|
|
if (FAILED(quality->QueryInterface(riid, ppv)))
|
|
{
|
|
/* not supported */
|
|
delete quality;
|
|
return E_NOINTERFACE;
|
|
}
|
|
|
|
return NOERROR;
|
|
}
|