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.
114 lines
3.6 KiB
114 lines
3.6 KiB
//==========================================================================;
|
|
//
|
|
// fp2ar.h : Declaration of the custom composition class for gluing file
|
|
// playback to the audio renderer
|
|
//
|
|
// Copyright (c) Microsoft Corporation 1999.
|
|
//
|
|
/////////////////////////////////////////////////////////////////////////////
|
|
|
|
|
|
#ifndef FP2ARCOMP_H
|
|
#define FP2ARCOMP_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("CC23F537-18D4-4ece-93BD-207A84726979")) CFP2ARComp :
|
|
public CComObjectRootEx<CComSingleThreadModel>,
|
|
public CComCoClass<CFP2ARComp, &__uuidof(CFP2ARComp)>,
|
|
public IObjectWithSiteImplSec<CFP2ARComp>,
|
|
public IMSVidCompositionSegmentImpl<CFP2ARComp>
|
|
{
|
|
public:
|
|
CFP2ARComp() {}
|
|
virtual ~CFP2ARComp() {}
|
|
|
|
REGISTER_NONAUTOMATION_OBJECT(IDS_PROJNAME,
|
|
IDS_REG_FP2ARCOMP_DESC,
|
|
LIBID_MSVidCtlLib,
|
|
__uuidof(CFP2ARComp));
|
|
|
|
DECLARE_PROTECT_FINAL_CONSTRUCT()
|
|
|
|
BEGIN_COM_MAP(CFP2ARComp)
|
|
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, "CFP2ARComp::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, "CFP2ARComp::Compose() can't compose empty up segment");
|
|
return E_INVALIDARG;
|
|
}
|
|
if (down.begin() == down.end()) {
|
|
TRACELM(TRACE_ERROR, "CFP2ARComp::Compose() can't compose empty down segment");
|
|
return E_INVALIDARG;
|
|
}
|
|
DSFilter pFP(*up.begin());
|
|
ASSERT(!!pFP);
|
|
ASSERT(pFP.GetGraph() == m_pGraph);
|
|
|
|
VWGraphSegment::iterator iAR;
|
|
DSFilter pAR;
|
|
for (iAR = down.begin(); iAR != down.end(); ++iAR) {
|
|
pAR = *iAR;
|
|
if (IsDigitalAudioRenderer(pAR)) {
|
|
break;
|
|
}
|
|
}
|
|
if (iAR == down.end()) {
|
|
TRACELM(TRACE_ERROR, "CFP2ARComp::Compose() FAILED to find AR ");
|
|
return E_UNEXPECTED;
|
|
}
|
|
|
|
ASSERT(!!pAR);
|
|
ASSERT(pAR.GetGraph() == m_pGraph);
|
|
HRESULT hr = m_pGraph.Connect(pFP, pAR, m_Filters,
|
|
DSGraph::ALLOW_WILDCARDS |
|
|
DSGraph::DONT_TERMINATE_ON_RENDERER |
|
|
DSGraph::IGNORE_MEDIATYPE_ERRORS,
|
|
DOWNSTREAM);
|
|
if (FAILED(hr)) {
|
|
TRACELSM(TRACE_ERROR, (dbgDump << "CFP2ARComp::Compose() FAILED connect hr = " << hexdump(hr)), "");
|
|
return hr;
|
|
}
|
|
|
|
m_fComposed = true;
|
|
return NOERROR;
|
|
} catch (ComException &e) {
|
|
return e;
|
|
} catch (...) {
|
|
return E_UNEXPECTED;
|
|
}
|
|
}
|
|
};
|
|
|
|
#endif // FP2ARCOMP_H
|
|
// end of file - FP2ARComp.h
|