mirror of https://github.com/tongzx/nt5src
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
110 lines
3.5 KiB
110 lines
3.5 KiB
//==========================================================================;
|
|
//
|
|
// fp2vr.h : Declaration of the custom composition class for gluing file
|
|
// playback to the video renderer
|
|
//
|
|
// Copyright (c) Microsoft Corporation 1999.
|
|
//
|
|
/////////////////////////////////////////////////////////////////////////////
|
|
|
|
|
|
#ifndef FP2VRCOMP_H
|
|
#define FP2VRCOMP_H
|
|
|
|
#pragma once
|
|
|
|
#include <winerror.h>
|
|
#include <algorithm>
|
|
#include <compimpl.h>
|
|
#include <seg.h>
|
|
#include <objectwithsiteimplsec.h>
|
|
#include "resource.h" // main symbols
|
|
|
|
/////////////////////////////////////////////////////////////////////////////
|
|
// CAnaCapComp
|
|
class ATL_NO_VTABLE __declspec(uuid("B401C5EB-8457-427f-84EA-A4D2363364B0")) CFP2VRComp :
|
|
public CComObjectRootEx<CComSingleThreadModel>,
|
|
public CComCoClass<CFP2VRComp, &__uuidof(CFP2VRComp)>,
|
|
public IObjectWithSiteImplSec<CFP2VRComp>,
|
|
public IMSVidCompositionSegmentImpl<CFP2VRComp>
|
|
{
|
|
public:
|
|
CFP2VRComp() {}
|
|
virtual ~CFP2VRComp() {}
|
|
|
|
REGISTER_NONAUTOMATION_OBJECT(IDS_PROJNAME,
|
|
IDS_REG_FP2VRCOMP_DESC,
|
|
LIBID_MSVidCtlLib,
|
|
__uuidof(CFP2VRComp));
|
|
|
|
DECLARE_PROTECT_FINAL_CONSTRUCT()
|
|
|
|
BEGIN_COM_MAP(CFP2VRComp)
|
|
COM_INTERFACE_ENTRY(IMSVidCompositionSegment)
|
|
COM_INTERFACE_ENTRY(IMSVidGraphSegment)
|
|
COM_INTERFACE_ENTRY(IPersist)
|
|
COM_INTERFACE_ENTRY(IObjectWithSite)
|
|
END_COM_MAP()
|
|
|
|
// IMSVidComposition
|
|
public:
|
|
// IMSVidGraphSegment
|
|
// IMSVidCompositionSegment
|
|
STDMETHOD(Compose)(IMSVidGraphSegment * upstream, IMSVidGraphSegment * downstream)
|
|
{
|
|
TRACELM(TRACE_DEBUG, "CFP2VRComp::Compose()");
|
|
if (m_fComposed) {
|
|
return NOERROR;
|
|
}
|
|
|
|
ASSERT(m_pGraph);
|
|
try {
|
|
VWGraphSegment up(upstream);
|
|
ASSERT(up.Graph() == m_pGraph);
|
|
VWGraphSegment down(downstream);
|
|
ASSERT(down.Graph() == m_pGraph);
|
|
if (up.begin() == up.end()) {
|
|
TRACELM(TRACE_ERROR, "CFP2VRComp::Compose() can't compose empty up segment");
|
|
return E_INVALIDARG;
|
|
}
|
|
if (down.begin() == down.end()) {
|
|
TRACELM(TRACE_ERROR, "CFP2VRComp::Compose() can't compose empty down segment");
|
|
return E_INVALIDARG;
|
|
}
|
|
DSFilter pFP(*up.begin());
|
|
|
|
VWGraphSegment::iterator iVR;
|
|
VWGraphSegment::iterator prevVR;
|
|
for (iVR = down.begin(); iVR != down.end(); ++iVR) {
|
|
prevVR = iVR;
|
|
}
|
|
DSFilter pVR = DSFilter(*prevVR);
|
|
ASSERT(!!pFP);
|
|
ASSERT(pFP.GetGraph() == m_pGraph);
|
|
ASSERT(!!pVR);
|
|
ASSERT(pVR.GetGraph() == m_pGraph);
|
|
|
|
HRESULT hr = m_pGraph.Connect(pFP, pVR, m_Filters,
|
|
DSGraph::ATTEMPT_MERIT_UNLIKELY |
|
|
DSGraph::ALLOW_WILDCARDS |
|
|
DSGraph::IGNORE_MEDIATYPE_ERRORS |
|
|
DSGraph::DONT_TERMINATE_ON_RENDERER |
|
|
DSGraph::BIDIRECTIONAL_MEDIATYPE_MATCHING,
|
|
DOWNSTREAM);
|
|
if (FAILED(hr)) {
|
|
TRACELSM(TRACE_ERROR, (dbgDump << "CFP2VRComp::Compose() FAILED connect hr = " << hexdump(hr)), "");
|
|
return hr;
|
|
}
|
|
|
|
m_fComposed = true;
|
|
return NOERROR;
|
|
} catch (ComException &e) {
|
|
return e;
|
|
} catch (...) {
|
|
return E_UNEXPECTED;
|
|
}
|
|
}
|
|
};
|
|
|
|
#endif // FP2VRCOMP_H
|
|
// end of file - FP2VRComp.h
|