BaseGraph.cpp
资源名称:bfyy.rar [点击查看]
上传用户:tangyu_668
上传日期:2014-02-27
资源大小:678k
文件大小:16k
源码类别:
多媒体编程
开发平台:
Visual C++
- /*
- * Copyright (C) 2003-2006 Gabest
- * http://www.gabest.org
- *
- * This Program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2, or (at your option)
- * any later version.
- *
- * This Program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with GNU Make; see the file COPYING. If not, write to
- * the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
- * http://www.gnu.org/copyleft/gpl.html
- *
- */
- #include "stdafx.h"
- #include "basegraph.h"
- #include "....DSUtilDSUtil.h"
- //
- // CPlayerWindow
- //
- BOOL CPlayerWindow::PreCreateWindow(CREATESTRUCT& cs)
- {
- if(!CWnd::PreCreateWindow(cs))
- return FALSE;
- cs.style &= ~WS_BORDER;
- cs.lpszClass = AfxRegisterWndClass(CS_HREDRAW|CS_VREDRAW|CS_DBLCLKS,
- ::LoadCursor(NULL, IDC_HAND), NULL, NULL);
- return TRUE;
- }
- BEGIN_MESSAGE_MAP(CPlayerWindow, CWnd)
- ON_WM_ERASEBKGND()
- END_MESSAGE_MAP()
- BOOL CPlayerWindow::OnEraseBkgnd(CDC* pDC)
- {
- for(CWnd* pChild = GetWindow(GW_CHILD); pChild; pChild = pChild->GetNextWindow())
- {
- if(!pChild->IsWindowVisible()) continue;
- CRect r;
- pChild->GetClientRect(&r);
- pChild->MapWindowPoints(this, &r);
- pDC->ExcludeClipRect(&r);
- }
- CRect r;
- GetClientRect(&r);
- pDC->FillSolidRect(&r, 0);
- return TRUE;
- }
- //
- // CBaseGraph
- //
- CBaseGraph::CBaseGraph()
- : CUnknown(NAME("CBaseGraph"), NULL)
- , m_hNotifyWnd(NULL)
- {
- }
- CBaseGraph::~CBaseGraph()
- {
- }
- STDMETHODIMP CBaseGraph::NonDelegatingQueryInterface(REFIID riid, void** ppv)
- {
- CheckPointer(ppv, E_POINTER);
- return
- QI(IFilterGraph)
- QI(IGraphBuilder)
- QI(IFilterGraph2)
- QI(IGraphBuilder2)
- QI(IMediaControl)
- QI(IMediaSeeking)
- QI(IMediaEventEx)
- QI(IVideoWindow)
- QI(IBasicVideo)
- QI(IBasicAudio)
- QI(IAMOpenProgress)
- QI(IGraphEngine)
- __super::NonDelegatingQueryInterface(riid, ppv);
- }
- void CBaseGraph::ClearMessageQueue()
- {
- while(!m_msgqueue.IsEmpty())
- {
- GMSG msg = m_msgqueue.RemoveHead();
- FreeEventParams(msg.m_lEventCode, msg.m_lParam1, msg.m_lParam2);
- }
- }
- void CBaseGraph::NotifyEvent(long lEventCode, LONG_PTR lParam1, LONG_PTR lParam2)
- {
- if(!m_hNotifyWnd) return;
- GMSG msg;
- msg.m_lEventCode = lEventCode;
- msg.m_lParam1 = lParam1;
- msg.m_lParam2 = lParam2;
- m_msgqueue.AddTail(msg);
- PostMessage((HWND)m_hNotifyWnd, m_lNotifyMsg, 0, m_lNotifyInstData);
- }
- // IDispatch
- STDMETHODIMP CBaseGraph::GetTypeInfoCount(UINT* pctinfo) {return E_NOTIMPL;}
- STDMETHODIMP CBaseGraph::GetTypeInfo(UINT iTInfo, LCID lcid, ITypeInfo** ppTInfo) {return E_NOTIMPL;}
- STDMETHODIMP CBaseGraph::GetIDsOfNames(REFIID riid, LPOLESTR* rgszNames, UINT cNames, LCID lcid, DISPID* rgDispId) {return E_NOTIMPL;}
- STDMETHODIMP CBaseGraph::Invoke(DISPID dispIdMember, REFIID riid, LCID lcid, WORD wFlags, DISPPARAMS* pDispParams, VARIANT* pVarResult, EXCEPINFO* pExcepInfo, UINT* puArgErr) {return E_NOTIMPL;}
- // IFilterGraph
- STDMETHODIMP CBaseGraph::AddFilter(IBaseFilter* pFilter, LPCWSTR pName) {return E_NOTIMPL;}
- STDMETHODIMP CBaseGraph::RemoveFilter(IBaseFilter* pFilter) {return E_NOTIMPL;}
- STDMETHODIMP CBaseGraph::EnumFilters(IEnumFilters** ppEnum) {return E_NOTIMPL;}
- STDMETHODIMP CBaseGraph::FindFilterByName(LPCWSTR pName, IBaseFilter** ppFilter) {return E_NOTIMPL;}
- STDMETHODIMP CBaseGraph::ConnectDirect(IPin* ppinOut, IPin* ppinIn, const AM_MEDIA_TYPE* pmt) {return E_NOTIMPL;}
- STDMETHODIMP CBaseGraph::Reconnect(IPin* ppin) {return E_NOTIMPL;}
- STDMETHODIMP CBaseGraph::Disconnect(IPin* ppin) {return E_NOTIMPL;}
- STDMETHODIMP CBaseGraph::SetDefaultSyncSource() {return E_NOTIMPL;}
- // IGraphBuilder
- STDMETHODIMP CBaseGraph::Connect(IPin* ppinOut, IPin* ppinIn) {return E_NOTIMPL;}
- STDMETHODIMP CBaseGraph::Render(IPin* ppinOut) {return E_NOTIMPL;}
- STDMETHODIMP CBaseGraph::RenderFile(LPCWSTR lpcwstrFile, LPCWSTR lpcwstrPlayList) {return E_NOTIMPL;}
- STDMETHODIMP CBaseGraph::AddSourceFilter(LPCWSTR lpcwstrFileName, LPCWSTR lpcwstrFilterName, IBaseFilter** ppFilter) {*ppFilter = NULL; return RenderFile(lpcwstrFileName, NULL);}//E_NOTIMPL;}
- STDMETHODIMP CBaseGraph::SetLogFile(DWORD_PTR hFile) {return E_NOTIMPL;}
- STDMETHODIMP CBaseGraph::Abort() {return E_NOTIMPL;}
- STDMETHODIMP CBaseGraph::ShouldOperationContinue() {return E_NOTIMPL;}
- // IFilterGraph2
- STDMETHODIMP CBaseGraph::AddSourceFilterForMoniker(IMoniker* pMoniker, IBindCtx* pCtx, LPCWSTR lpcwstrFilterName, IBaseFilter** ppFilter) {return E_NOTIMPL;}
- STDMETHODIMP CBaseGraph::ReconnectEx(IPin* ppin, const AM_MEDIA_TYPE* pmt) {return E_NOTIMPL;}
- STDMETHODIMP CBaseGraph::RenderEx(IPin* pPinOut, DWORD dwFlags, DWORD* pvContext) {return E_NOTIMPL;}
- // IGraphBuilder2
- STDMETHODIMP CBaseGraph::IsPinDirection(IPin* pPin, PIN_DIRECTION dir) {return E_NOTIMPL;}
- STDMETHODIMP CBaseGraph::IsPinConnected(IPin* pPin) {return E_NOTIMPL;}
- STDMETHODIMP CBaseGraph::ConnectFilter(IBaseFilter* pBF, IPin* pPinIn) {return E_NOTIMPL;}
- STDMETHODIMP CBaseGraph::ConnectFilter(IPin* pPinOut, IBaseFilter* pBF) {return E_NOTIMPL;}
- STDMETHODIMP CBaseGraph::ConnectFilterDirect(IPin* pPinOut, IBaseFilter* pBF, const AM_MEDIA_TYPE* pmt) {return E_NOTIMPL;}
- STDMETHODIMP CBaseGraph::NukeDownstream(IUnknown* pUnk) {return E_NOTIMPL;}
- STDMETHODIMP CBaseGraph::FindInterface(REFIID iid, void** ppv, BOOL bRemove) {return QueryInterface(iid, ppv);}
- STDMETHODIMP CBaseGraph::AddToROT() {return E_NOTIMPL;}
- STDMETHODIMP CBaseGraph::RemoveFromROT() {return E_NOTIMPL;}
- // IMediaControl
- STDMETHODIMP CBaseGraph::Run() {return E_NOTIMPL;}
- STDMETHODIMP CBaseGraph::Pause() {return E_NOTIMPL;}
- STDMETHODIMP CBaseGraph::Stop() {return E_NOTIMPL;}
- STDMETHODIMP CBaseGraph::GetState(LONG msTimeout, OAFilterState* pfs) {return E_NOTIMPL;}
- STDMETHODIMP CBaseGraph::RenderFile(BSTR strFilename) {return E_NOTIMPL;}
- STDMETHODIMP CBaseGraph::AddSourceFilter(BSTR strFilename, IDispatch** ppUnk) {return E_NOTIMPL;}
- STDMETHODIMP CBaseGraph::get_FilterCollection(IDispatch** ppUnk) {return E_NOTIMPL;}
- STDMETHODIMP CBaseGraph::get_RegFilterCollection(IDispatch** ppUnk) {return E_NOTIMPL;}
- STDMETHODIMP CBaseGraph::StopWhenReady() {return Stop();}
- // IMediaEvent
- STDMETHODIMP CBaseGraph::GetEventHandle(OAEVENT* hEvent) {return E_NOTIMPL;}
- STDMETHODIMP CBaseGraph::GetEvent(long* lEventCode, LONG_PTR* lParam1, LONG_PTR* lParam2, long msTimeout)
- {
- if(m_msgqueue.IsEmpty()) return E_FAIL;
- GMSG msg = m_msgqueue.RemoveHead();
- if(lEventCode) *lEventCode = msg.m_lEventCode;
- if(lParam1) *lParam1 = msg.m_lParam1;
- if(lParam2) *lParam2 = msg.m_lParam2;
- return S_OK;
- }
- STDMETHODIMP CBaseGraph::WaitForCompletion(long msTimeout, long* pEvCode) {return E_NOTIMPL;}
- STDMETHODIMP CBaseGraph::CancelDefaultHandling(long lEvCode) {return E_NOTIMPL;}
- STDMETHODIMP CBaseGraph::RestoreDefaultHandling(long lEvCode) {return E_NOTIMPL;}
- STDMETHODIMP CBaseGraph::FreeEventParams(long lEvCode, LONG_PTR lParam1, LONG_PTR lParam2)
- {
- if(EC_BG_ERROR == lEvCode)
- {
- if(lParam1) CoTaskMemFree((void*)lParam1);
- }
- return S_OK;
- }
- // IMediaEventEx
- STDMETHODIMP CBaseGraph::SetNotifyWindow(OAHWND hwnd, long lMsg, LONG_PTR lInstanceData)
- {
- m_hNotifyWnd = hwnd;
- m_lNotifyMsg = lMsg;
- m_lNotifyInstData = lInstanceData;
- if(!IsWindow((HWND)m_hNotifyWnd))
- {
- m_hNotifyWnd = NULL;
- return E_FAIL;
- }
- return S_OK;
- }
- STDMETHODIMP CBaseGraph::SetNotifyFlags(long lNoNotifyFlags) {return E_NOTIMPL;}
- STDMETHODIMP CBaseGraph::GetNotifyFlags(long* lplNoNotifyFlags) {return E_NOTIMPL;}
- // IMediaSeeking
- STDMETHODIMP CBaseGraph::GetCapabilities(DWORD* pCapabilities)
- {
- return pCapabilities ? *pCapabilities = AM_SEEKING_CanSeekAbsolute|AM_SEEKING_CanGetCurrentPos|AM_SEEKING_CanGetDuration, S_OK : E_POINTER;
- }
- STDMETHODIMP CBaseGraph::CheckCapabilities(DWORD* pCapabilities)
- {
- CheckPointer(pCapabilities, E_POINTER);
- if(*pCapabilities == 0) return S_OK;
- DWORD caps;
- GetCapabilities(&caps);
- DWORD caps2 = caps & *pCapabilities;
- return caps2 == 0 ? E_FAIL : caps2 == *pCapabilities ? S_OK : S_FALSE;
- }
- STDMETHODIMP CBaseGraph::IsFormatSupported(const GUID* pFormat)
- {
- return !pFormat ? E_POINTER : *pFormat == TIME_FORMAT_MEDIA_TIME ? S_OK : S_FALSE;
- }
- STDMETHODIMP CBaseGraph::QueryPreferredFormat(GUID* pFormat)
- {
- return GetTimeFormat(pFormat);
- }
- STDMETHODIMP CBaseGraph::GetTimeFormat(GUID* pFormat)
- {
- return pFormat ? *pFormat = TIME_FORMAT_MEDIA_TIME, S_OK : E_POINTER;
- }
- STDMETHODIMP CBaseGraph::IsUsingTimeFormat(const GUID* pFormat)
- {
- return IsFormatSupported(pFormat);
- }
- STDMETHODIMP CBaseGraph::SetTimeFormat(const GUID* pFormat)
- {
- return S_OK == IsFormatSupported(pFormat) ? S_OK : E_INVALIDARG;
- }
- STDMETHODIMP CBaseGraph::GetDuration(LONGLONG* pDuration) {return E_NOTIMPL;}
- STDMETHODIMP CBaseGraph::GetStopPosition(LONGLONG* pStop) {return E_NOTIMPL;}
- STDMETHODIMP CBaseGraph::GetCurrentPosition(LONGLONG* pCurrent) {return E_NOTIMPL;}
- STDMETHODIMP CBaseGraph::ConvertTimeFormat(LONGLONG* pTarget, const GUID* pTargetFormat, LONGLONG Source, const GUID* pSourceFormat) {return E_NOTIMPL;}
- STDMETHODIMP CBaseGraph::SetPositions(LONGLONG* pCurrent, DWORD dwCurrentFlags, LONGLONG* pStop, DWORD dwStopFlags) {return E_NOTIMPL;}
- STDMETHODIMP CBaseGraph::GetPositions(LONGLONG* pCurrent, LONGLONG* pStop) {return E_NOTIMPL;}
- STDMETHODIMP CBaseGraph::GetAvailable(LONGLONG* pEarliest, LONGLONG* pLatest) {return E_NOTIMPL;}
- STDMETHODIMP CBaseGraph::SetRate(double dRate) {return E_NOTIMPL;}
- STDMETHODIMP CBaseGraph::GetRate(double* pdRate) {return E_NOTIMPL;}
- STDMETHODIMP CBaseGraph::GetPreroll(LONGLONG* pllPreroll) {return E_NOTIMPL;}
- // IVideoWindow
- STDMETHODIMP CBaseGraph::put_Caption(BSTR strCaption) {return E_NOTIMPL;}
- STDMETHODIMP CBaseGraph::get_Caption(BSTR* strCaption) {return E_NOTIMPL;}
- STDMETHODIMP CBaseGraph::put_WindowStyle(long WindowStyle) {return E_NOTIMPL;}
- STDMETHODIMP CBaseGraph::get_WindowStyle(long* WindowStyle) {return E_NOTIMPL;}
- STDMETHODIMP CBaseGraph::put_WindowStyleEx(long WindowStyleEx) {return E_NOTIMPL;}
- STDMETHODIMP CBaseGraph::get_WindowStyleEx(long* WindowStyleEx) {return E_NOTIMPL;}
- STDMETHODIMP CBaseGraph::put_AutoShow(long AutoShow) {return E_NOTIMPL;}
- STDMETHODIMP CBaseGraph::get_AutoShow(long* AutoShow) {return E_NOTIMPL;}
- STDMETHODIMP CBaseGraph::put_WindowState(long WindowState) {return E_NOTIMPL;}
- STDMETHODIMP CBaseGraph::get_WindowState(long* WindowState) {return E_NOTIMPL;}
- STDMETHODIMP CBaseGraph::put_BackgroundPalette(long BackgroundPalette) {return E_NOTIMPL;}
- STDMETHODIMP CBaseGraph::get_BackgroundPalette(long* pBackgroundPalette) {return E_NOTIMPL;}
- STDMETHODIMP CBaseGraph::put_Visible(long Visible) {return E_NOTIMPL;}
- STDMETHODIMP CBaseGraph::get_Visible(long* pVisible) {return E_NOTIMPL;}
- STDMETHODIMP CBaseGraph::put_Left(long Left) {return E_NOTIMPL;}
- STDMETHODIMP CBaseGraph::get_Left(long* pLeft) {return E_NOTIMPL;}
- STDMETHODIMP CBaseGraph::put_Width(long Width) {return E_NOTIMPL;}
- STDMETHODIMP CBaseGraph::get_Width(long* pWidth) {return E_NOTIMPL;}
- STDMETHODIMP CBaseGraph::put_Top(long Top) {return E_NOTIMPL;}
- STDMETHODIMP CBaseGraph::get_Top(long* pTop) {return E_NOTIMPL;}
- STDMETHODIMP CBaseGraph::put_Height(long Height) {return E_NOTIMPL;}
- STDMETHODIMP CBaseGraph::get_Height(long* pHeight) {return E_NOTIMPL;}
- STDMETHODIMP CBaseGraph::put_Owner(OAHWND Owner) {return E_NOTIMPL;}
- STDMETHODIMP CBaseGraph::get_Owner(OAHWND* Owner) {return E_NOTIMPL;}
- STDMETHODIMP CBaseGraph::put_MessageDrain(OAHWND Drain) {return E_NOTIMPL;}
- STDMETHODIMP CBaseGraph::get_MessageDrain(OAHWND* Drain) {return E_NOTIMPL;}
- STDMETHODIMP CBaseGraph::get_BorderColor(long* Color) {return E_NOTIMPL;}
- STDMETHODIMP CBaseGraph::put_BorderColor(long Color) {return E_NOTIMPL;}
- STDMETHODIMP CBaseGraph::get_FullScreenMode(long* FullScreenMode) {return E_NOTIMPL;}
- STDMETHODIMP CBaseGraph::put_FullScreenMode(long FullScreenMode) {return E_NOTIMPL;}
- STDMETHODIMP CBaseGraph::SetWindowForeground(long Focus) {return E_NOTIMPL;}
- STDMETHODIMP CBaseGraph::NotifyOwnerMessage(OAHWND hwnd, long uMsg, LONG_PTR wParam, LONG_PTR lParam) {return E_NOTIMPL;}
- STDMETHODIMP CBaseGraph::SetWindowPosition(long Left, long Top, long Width, long Height) {return E_NOTIMPL;}
- STDMETHODIMP CBaseGraph::GetWindowPosition(long* pLeft, long* pTop, long* pWidth, long* pHeight) {return E_NOTIMPL;}
- STDMETHODIMP CBaseGraph::GetMinIdealImageSize(long* pWidth, long* pHeight) {return E_NOTIMPL;}
- STDMETHODIMP CBaseGraph::GetMaxIdealImageSize(long* pWidth, long* pHeight) {return E_NOTIMPL;}
- STDMETHODIMP CBaseGraph::GetRestorePosition(long* pLeft, long* pTop, long* pWidth, long* pHeight) {return E_NOTIMPL;}
- STDMETHODIMP CBaseGraph::HideCursor(long HideCursor) {return E_NOTIMPL;}
- STDMETHODIMP CBaseGraph::IsCursorHidden(long* CursorHidden) {return E_NOTIMPL;}
- // IBasicVideo
- STDMETHODIMP CBaseGraph::get_AvgTimePerFrame(REFTIME* pAvgTimePerFrame) {return E_NOTIMPL;}
- STDMETHODIMP CBaseGraph::get_BitRate(long* pBitRate) {return E_NOTIMPL;}
- STDMETHODIMP CBaseGraph::get_BitErrorRate(long* pBitErrorRate) {return E_NOTIMPL;}
- STDMETHODIMP CBaseGraph::get_VideoWidth(long* pVideoWidth) {return E_NOTIMPL;}
- STDMETHODIMP CBaseGraph::get_VideoHeight(long* pVideoHeight) {return E_NOTIMPL;}
- STDMETHODIMP CBaseGraph::put_SourceLeft(long SourceLeft) {return E_NOTIMPL;}
- STDMETHODIMP CBaseGraph::get_SourceLeft(long* pSourceLeft) {return E_NOTIMPL;}
- STDMETHODIMP CBaseGraph::put_SourceWidth(long SourceWidth) {return E_NOTIMPL;}
- STDMETHODIMP CBaseGraph::get_SourceWidth(long* pSourceWidth) {return E_NOTIMPL;}
- STDMETHODIMP CBaseGraph::put_SourceTop(long SourceTop) {return E_NOTIMPL;}
- STDMETHODIMP CBaseGraph::get_SourceTop(long* pSourceTop) {return E_NOTIMPL;}
- STDMETHODIMP CBaseGraph::put_SourceHeight(long SourceHeight) {return E_NOTIMPL;}
- STDMETHODIMP CBaseGraph::get_SourceHeight(long* pSourceHeight) {return E_NOTIMPL;}
- STDMETHODIMP CBaseGraph::put_DestinationLeft(long DestinationLeft) {return E_NOTIMPL;}
- STDMETHODIMP CBaseGraph::get_DestinationLeft(long* pDestinationLeft) {return E_NOTIMPL;}
- STDMETHODIMP CBaseGraph::put_DestinationWidth(long DestinationWidth) {return E_NOTIMPL;}
- STDMETHODIMP CBaseGraph::get_DestinationWidth(long* pDestinationWidth) {return E_NOTIMPL;}
- STDMETHODIMP CBaseGraph::put_DestinationTop(long DestinationTop) {return E_NOTIMPL;}
- STDMETHODIMP CBaseGraph::get_DestinationTop(long* pDestinationTop) {return E_NOTIMPL;}
- STDMETHODIMP CBaseGraph::put_DestinationHeight(long DestinationHeight) {return E_NOTIMPL;}
- STDMETHODIMP CBaseGraph::get_DestinationHeight(long* pDestinationHeight) {return E_NOTIMPL;}
- STDMETHODIMP CBaseGraph::SetSourcePosition(long Left, long Top, long Width, long Height) {return E_NOTIMPL;}
- STDMETHODIMP CBaseGraph::GetSourcePosition(long* pLeft, long* pTop, long* pWidth, long* pHeight) {return E_NOTIMPL;}
- STDMETHODIMP CBaseGraph::SetDefaultSourcePosition() {return E_NOTIMPL;}
- STDMETHODIMP CBaseGraph::SetDestinationPosition(long Left, long Top, long Width, long Height) {return E_NOTIMPL;}
- STDMETHODIMP CBaseGraph::GetDestinationPosition(long* pLeft, long* pTop, long* pWidth, long* pHeight) {return E_NOTIMPL;}
- STDMETHODIMP CBaseGraph::SetDefaultDestinationPosition() {return E_NOTIMPL;}
- STDMETHODIMP CBaseGraph::GetVideoSize(long* pWidth, long* pHeight) {return E_NOTIMPL;}
- STDMETHODIMP CBaseGraph::GetVideoPaletteEntries(long StartIndex, long Entries, long* pRetrieved, long* pPalette) {return E_NOTIMPL;}
- STDMETHODIMP CBaseGraph::GetCurrentImage(long* pBufferSize, long* pDIBImage) {return E_NOTIMPL;}
- STDMETHODIMP CBaseGraph::IsUsingDefaultSource() {return E_NOTIMPL;}
- STDMETHODIMP CBaseGraph::IsUsingDefaultDestination() {return E_NOTIMPL;}
- // IBasicAudio
- STDMETHODIMP CBaseGraph::put_Volume(long lVolume) {return E_NOTIMPL;}
- STDMETHODIMP CBaseGraph::get_Volume(long* plVolume) {return E_NOTIMPL;}
- STDMETHODIMP CBaseGraph::put_Balance(long lBalance) {return E_NOTIMPL;}
- STDMETHODIMP CBaseGraph::get_Balance(long* plBalance) {return E_NOTIMPL;}
- // IAMOpenProgress
- STDMETHODIMP CBaseGraph::QueryProgress(LONGLONG* pllTotal, LONGLONG* pllCurrent) {return E_NOTIMPL;}
- STDMETHODIMP CBaseGraph::AbortOperation() {return E_NOTIMPL;}
- // IGraphEngine
- STDMETHODIMP_(engine_t) CBaseGraph::GetEngine() {return DirectShow;}