CBaseFilter Class Reference

#include <amfilter.h>

Inheritance diagram for CBaseFilter:

CUnknown CBaseObject CAsyncReader CBaseRenderer CSource CTransformFilter fsFileReader CBaseVideoRenderer CTransInPlaceFilter CVideoTransformFilter

List of all members.

Public Member Functions

 CBaseFilter (const TCHAR *pName, LPUNKNOWN pUnk, CCritSec *pLock, REFCLSID clsid)
 CBaseFilter (TCHAR *pName, LPUNKNOWN pUnk, CCritSec *pLock, REFCLSID clsid, HRESULT *phr)
 ~CBaseFilter ()
DECLARE_IUNKNOWN STDMETHODIMP NonDelegatingQueryInterface (REFIID riid, void **ppv)
STDMETHODIMP GetClassID (CLSID *pClsID)
STDMETHODIMP GetState (DWORD dwMSecs, FILTER_STATE *State)
STDMETHODIMP SetSyncSource (IReferenceClock *pClock)
STDMETHODIMP GetSyncSource (IReferenceClock **pClock)
STDMETHODIMP Stop ()
STDMETHODIMP Pause ()
STDMETHODIMP Run (REFERENCE_TIME tStart)
virtual HRESULT StreamTime (CRefTime &rtStream)
BOOL IsActive ()
BOOL IsStopped ()
STDMETHODIMP EnumPins (IEnumPins **ppEnum)
STDMETHODIMP FindPin (LPCWSTR Id, IPin **ppPin)
STDMETHODIMP QueryFilterInfo (FILTER_INFO *pInfo)
STDMETHODIMP JoinFilterGraph (IFilterGraph *pGraph, LPCWSTR pName)
STDMETHODIMP QueryVendorInfo (LPWSTR *pVendorInfo)
HRESULT NotifyEvent (long EventCode, LONG_PTR EventParam1, LONG_PTR EventParam2)
IFilterGraph * GetFilterGraph ()
HRESULT ReconnectPin (IPin *pPin, AM_MEDIA_TYPE const *pmt)
virtual LONG GetPinVersion ()
void IncrementPinVersion ()
virtual int GetPinCount () PURE
virtual CBasePin * GetPin (int n) PURE
STDMETHODIMP Register ()
STDMETHODIMP Unregister ()
virtual LPAMOVIESETUP_FILTER GetSetupData ()

Protected Attributes

FILTER_STATE m_State
IReferenceClock * m_pClock
CRefTime m_tStart
CLSID m_clsid
CCritSec * m_pLock
WCHAR * m_pName
IFilterGraph * m_pGraph
IMediaEventSink * m_pSink
LONG m_PinVersion

Friends

class CBasePin

Detailed Description

Definition at line 95 of file amfilter.h.

Constructor & Destructor Documentation

CBaseFilter::CBaseFilter ( const TCHAR *  pName,
LPUNKNOWN  pUnk,
CCritSec *  pLock,
REFCLSID  clsid 
)

Definition at line 224 of file amfilter.cpp.

References ASSERT, and NULL.

CBaseFilter::CBaseFilter ( TCHAR *  pName,
LPUNKNOWN  pUnk,
CCritSec *  pLock,
REFCLSID  clsid,
HRESULT *  phr 
)

Definition at line 242 of file amfilter.cpp.

References ASSERT, and NULL.

CBaseFilter::~CBaseFilter (  ) 

Definition at line 301 of file amfilter.cpp.

References m_pClock, m_pName, and NULL.

Member Function Documentation

STDMETHODIMP CBaseFilter::NonDelegatingQueryInterface ( REFIID  riid,
void **  ppv 
)

Reimplemented from CUnknown.

Reimplemented in CBaseRenderer.

Definition at line 197 of file amfilter.cpp.

References GetInterface(), and CUnknown::NonDelegatingQueryInterface().

Referenced by CBaseRenderer::NonDelegatingQueryInterface().

STDMETHODIMP CBaseFilter::GetClassID ( CLSID *  pClsID  ) 

Definition at line 312 of file amfilter.cpp.

References CheckPointer, m_clsid, and ValidateReadWritePtr.

STDMETHODIMP CBaseFilter::GetState ( DWORD  dwMSecs,
FILTER_STATE *  State 
)

Reimplemented in CBaseRenderer.

Definition at line 321 of file amfilter.cpp.

References CheckPointer, m_State, S_OK, and ValidateReadWritePtr.

Referenced by CRenderedInputPin::EndOfStream(), CBaseControlVideo::GetCurrentImage(), CBaseControlWindow::GetMaxIdealImageSize(), and CBaseControlWindow::GetMinIdealImageSize().

STDMETHODIMP CBaseFilter::SetSyncSource ( IReferenceClock *  pClock  ) 

Definition at line 332 of file amfilter.cpp.

References m_pClock, and m_pLock.

STDMETHODIMP CBaseFilter::GetSyncSource ( IReferenceClock **  pClock  ) 

Definition at line 350 of file amfilter.cpp.

References CheckPointer, m_pClock, m_pLock, and ValidateReadWritePtr.

STDMETHODIMP CBaseFilter::Stop (  ) 

Reimplemented in CBaseRenderer, and CTransformFilter.

Definition at line 365 of file amfilter.cpp.

References c, FAILED, GetPin(), GetPinCount(), hr, HRESULT, CBasePin::Inactive(), CBasePin::IsConnected(), m_pLock, and m_State.

Referenced by CBaseRenderer::Stop().

STDMETHODIMP CBaseFilter::Pause (  ) 

Reimplemented in CBaseRenderer, and CTransformFilter.

Definition at line 391 of file amfilter.cpp.

References CBasePin::Active(), c, FAILED, GetPin(), GetPinCount(), hr, HRESULT, CBasePin::IsConnected(), m_pLock, m_State, and S_OK.

Referenced by CTransformFilter::Pause(), CBaseRenderer::Pause(), and Run().

STDMETHODIMP CBaseFilter::Run ( REFERENCE_TIME  tStart  ) 

Reimplemented in CBaseRenderer.

Definition at line 415 of file amfilter.cpp.

References c, FAILED, GetPin(), GetPinCount(), hr, HRESULT, CBasePin::IsConnected(), m_pLock, m_State, m_tStart, Pause(), CBasePin::Run(), and S_OK.

Referenced by CBaseRenderer::Run().

HRESULT CBaseFilter::StreamTime ( CRefTime &  rtStream  )  [virtual]

Definition at line 449 of file amfilter.cpp.

References FAILED, hr, HRESULT, m_pClock, m_tStart, NULL, and S_OK.

BOOL CBaseFilter::IsActive (  )  [inline]

Definition at line 186 of file amfilter.h.

References CBasePin::m_pLock.

Referenced by CSourceStream::Active(), and CBaseRenderer::PrepareReceive().

BOOL CBaseFilter::IsStopped (  )  [inline]

Definition at line 192 of file amfilter.h.

Referenced by CTransInPlaceOutputPin::CheckMediaType().

STDMETHODIMP CBaseFilter::EnumPins ( IEnumPins **  ppEnum  ) 

Definition at line 467 of file amfilter.cpp.

References CheckPointer, E_OUTOFMEMORY, NULL, and ValidateReadWritePtr.

STDMETHODIMP CBaseFilter::FindPin ( LPCWSTR  Id,
IPin **  ppPin 
)

Reimplemented in CBaseRenderer, CSource, and CTransformFilter.

Definition at line 479 of file amfilter.cpp.

References ASSERT, CheckPointer, GetPin(), GetPinCount(), lstrcmpW, m_pLock, CBasePin::Name(), NULL, S_OK, and ValidateReadWritePtr.

STDMETHODIMP CBaseFilter::QueryFilterInfo ( FILTER_INFO *  pInfo  ) 

Definition at line 505 of file amfilter.cpp.

References CheckPointer, lstrcpynW, m_pGraph, m_pName, and ValidateReadWritePtr.

STDMETHODIMP CBaseFilter::JoinFilterGraph ( IFilterGraph *  pGraph,
LPCWSTR  pName 
)

Reimplemented in CBaseVideoRenderer.

Definition at line 522 of file amfilter.cpp.

References ASSERT, FAILED, hr, HRESULT, lstrlenW, m_pGraph, m_pLock, m_pName, m_pSink, and NULL.

Referenced by CBaseVideoRenderer::JoinFilterGraph().

STDMETHODIMP CBaseFilter::QueryVendorInfo ( LPWSTR *  pVendorInfo  ) 

Definition at line 560 of file amfilter.cpp.

HRESULT CBaseFilter::NotifyEvent ( long  EventCode,
LONG_PTR  EventParam1,
LONG_PTR  EventParam2 
)

Definition at line 568 of file amfilter.cpp.

References LONG_PTR, and m_pSink.

Referenced by CVideoTransformFilter::AbortPlayback(), CSourceStream::DoBufferProcessingLoop(), CRenderedInputPin::DoCompleteHandling(), CBaseVideoRenderer::JoinFilterGraph(), CBaseRenderer::NotifyEndOfStream(), CBaseRenderer::OnDisplayChange(), CBaseControlVideo::OnVideoSizeChange(), CImagePalette::PreparePalette(), CVideoTransformFilter::Receive(), CTransInPlaceFilter::Receive(), CTransformFilter::Receive(), CBaseInputPin::Receive(), CBaseRenderer::Run(), CBaseRenderer::SendNotifyWindow(), CBaseRenderer::SendRepaint(), and CVideoTransformFilter::ShouldSkipFrame().

IFilterGraph* CBaseFilter::GetFilterGraph (  )  [inline]

Definition at line 235 of file amfilter.h.

HRESULT CBaseFilter::ReconnectPin ( IPin *  pPin,
AM_MEDIA_TYPE const *  pmt 
)

Definition at line 587 of file amfilter.cpp.

References E_NOINTERFACE, hr, HRESULT, m_pGraph, and NULL.

Referenced by CTransInPlaceFilter::CompleteConnect().

LONG CBaseFilter::GetPinVersion (  )  [virtual]

Definition at line 607 of file amfilter.cpp.

References m_PinVersion.

Referenced by CEnumPins::AreWeOutOfSync(), CEnumPins::CEnumPins(), CEnumPins::Refresh(), and CEnumPins::Reset().

void CBaseFilter::IncrementPinVersion (  ) 

Definition at line 612 of file amfilter.cpp.

References m_PinVersion.

virtual int CBaseFilter::GetPinCount (  )  [virtual]

Reimplemented in CAsyncReader, CBaseRenderer, CSource, and CTransformFilter.

Referenced by CEnumPins::CEnumPins(), FindPin(), Pause(), CBaseInputPin::ReceiveCanBlock(), CEnumPins::Refresh(), CEnumPins::Reset(), Run(), and Stop().

virtual CBasePin* CBaseFilter::GetPin ( int  n  )  [virtual]

Reimplemented in CAsyncReader, CBaseRenderer, CSource, CTransformFilter, and CTransInPlaceFilter.

Referenced by FindPin(), CEnumPins::Next(), Pause(), CBaseInputPin::ReceiveCanBlock(), Run(), and Stop().

STDMETHODIMP CBaseFilter::Register (  ) 

Definition at line 617 of file amfilter.cpp.

References AMovieSetupRegisterFilter(), ASSERT, GetSetupData(), hr, HRESULT, LPVOID, NULL, S_FALSE, and TRUE.

STDMETHODIMP CBaseFilter::Unregister (  ) 

Definition at line 645 of file amfilter.cpp.

References AMovieSetupRegisterFilter(), ASSERT, FALSE, GetSetupData(), hr, HRESULT, LPVOID, NULL, and S_FALSE.

virtual LPAMOVIESETUP_FILTER CBaseFilter::GetSetupData (  )  [inline, virtual]

Definition at line 262 of file amfilter.h.

References NULL.

Referenced by Register(), and Unregister().

Friends And Related Function Documentation

friend class CBasePin [friend]

Definition at line 100 of file amfilter.h.

Member Data Documentation

FILTER_STATE CBaseFilter::m_State [protected]

Definition at line 103 of file amfilter.h.

Referenced by CBaseRenderer::BeginFlush(), CBaseRenderer::BreakConnect(), CBaseRenderer::EndOfStream(), CBaseRenderer::GetRealState(), CBaseRenderer::GetState(), GetState(), CTransformFilter::Pause(), CBaseRenderer::Pause(), Pause(), CBaseRenderer::Receive(), CBaseRenderer::Run(), Run(), CTransformFilter::Stop(), CBaseRenderer::Stop(), and Stop().

IReferenceClock* CBaseFilter::m_pClock [protected]

Definition at line 104 of file amfilter.h.

Referenced by CBaseRenderer::CancelNotification(), CBaseVideoRenderer::get_AvgSyncOffset(), CBaseRenderer::GetSampleTimes(), CBaseVideoRenderer::GetStdDev(), GetSyncSource(), CBaseRenderer::OnRenderEnd(), CBaseRenderer::OnRenderStart(), CBaseVideoRenderer::OnWaitEnd(), CBaseRenderer::ScheduleSample(), CBaseRenderer::SendEndOfStream(), SetSyncSource(), CBaseVideoRenderer::ShouldDrawSampleNow(), StreamTime(), and ~CBaseFilter().

CRefTime CBaseFilter::m_tStart [protected]

Definition at line 105 of file amfilter.h.

Referenced by Run(), and StreamTime().

CLSID CBaseFilter::m_clsid [protected]

Definition at line 106 of file amfilter.h.

Referenced by GetClassID().

CCritSec* CBaseFilter::m_pLock [protected]

Definition at line 108 of file amfilter.h.

Referenced by FindPin(), GetSyncSource(), JoinFilterGraph(), Pause(), Run(), SetSyncSource(), and Stop().

WCHAR* CBaseFilter::m_pName [protected]

Definition at line 110 of file amfilter.h.

Referenced by JoinFilterGraph(), QueryFilterInfo(), and ~CBaseFilter().

IFilterGraph* CBaseFilter::m_pGraph [protected]

Definition at line 111 of file amfilter.h.

Referenced by CTransInPlaceFilter::CompleteConnect(), CBaseVideoRenderer::JoinFilterGraph(), JoinFilterGraph(), QueryFilterInfo(), and ReconnectPin().

IMediaEventSink* CBaseFilter::m_pSink [protected]

Definition at line 112 of file amfilter.h.

Referenced by JoinFilterGraph(), and NotifyEvent().

LONG CBaseFilter::m_PinVersion [protected]

Definition at line 113 of file amfilter.h.

Referenced by GetPinVersion(), and IncrementPinVersion().

The documentation for this class was generated from the following files:
Generated on Sun May 25 00:20:34 2008 by  doxygen 1.5.6