Source code of Windows XP (NT5)
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//==========================================================================;
//
// Composition.h : Declaration of the custom composition class for gluing analog capture to ovmixer
// Copyright (c) Microsoft Corporation 1999.
//
/////////////////////////////////////////////////////////////////////////////
#ifndef ANADATA_H
#define ANADATA_H
#pragma once
#include <winerror.h>
#include <algorithm>
#include <compimpl.h>
#include <seg.h>
#include "resource.h" // main symbols
#include <objectwithsiteimplsec.h>
/////////////////////////////////////////////////////////////////////////////
// CAnaDataComp
class ATL_NO_VTABLE __declspec(uuid("C5702CD6-9B79-11d3-B654-00C04F79498E")) CAnaDataComp :
public CComObjectRootEx<CComSingleThreadModel>,
public CComCoClass<CAnaDataComp, &__uuidof(CAnaDataComp)>,
public IObjectWithSiteImplSec<CAnaDataComp>,
public IMSVidCompositionSegmentImpl<CAnaDataComp>
{
public:
CAnaDataComp() {}
virtual ~CAnaDataComp() {}
REGISTER_NONAUTOMATION_OBJECT(IDS_PROJNAME,
IDS_REG_ANADATACOMP_DESC,
LIBID_MSVidCtlLib,
__uuidof(CAnaDataComp));
DECLARE_PROTECT_FINAL_CONSTRUCT()
BEGIN_COM_MAP(CAnaDataComp)
COM_INTERFACE_ENTRY(IMSVidCompositionSegment)
COM_INTERFACE_ENTRY(IMSVidGraphSegment)
COM_INTERFACE_ENTRY(IObjectWithSite)
COM_INTERFACE_ENTRY(IPersist)
END_COM_MAP()
public:
PQCreateDevEnum m_pSystemEnum;
//////////////
HRESULT ConnectCodecPin(DSPin& pCodecPin, DSFilter& pCap, DSFilter& pIPSink) {
// if this fails we just skip the pin not the whole filter so we don't need
// to check the return code from the connect
if (pCodecPin.IsInput()) {
pCodecPin.IntelligentConnect(pCap, m_Filters, 0, UPSTREAM);
} else {
pCodecPin.IntelligentConnect(pIPSink, m_Filters, DSGraph::ATTEMPT_MERIT_DO_NOT_USE);
}
return NOERROR;
}
//////////////
HRESULT AddCodec(const DSFilterMoniker& pCodecMkr, DSFilter& pCap, DSFilter& pIPSink) {
DSFilter pCodec = m_pGraph.AddMoniker(pCodecMkr);
if (!pCodec) {
// this can happen if a codec is uninstalled or the driver file is removed
// but the registry doesn't get cleaned up.
// also can happen on an upgrade if a codec has been removed from the product.
TRACELSM(TRACE_ERROR, (dbgDump << "CAnaDataComp::AddCodec() can't add mkr" << pCodecMkr), "");
return S_FALSE;
}
m_Filters.push_back(pCodec);
//connect all input pins including hw slicing support
std::for_each(pCodec.begin(),
pCodec.end(),
bndr_obj_2_3<arity3pmf<CAnaDataComp, DSPin&, DSFilter&, DSFilter&, HRESULT> >(
*this,
arity3pmf<CAnaDataComp,
DSPin&,
DSFilter&,
DSFilter&,
HRESULT>(&CAnaDataComp::ConnectCodecPin),
pCap,
pIPSink
));
return NOERROR;
}
//////////////
HRESULT CapturePinPrep(DSPin& pCapPin, DSFilter& pMSTee, DSFilter& pVPM) {
if (pCapPin.GetConnection() || pCapPin.GetDirection() == PINDIR_INPUT) {
return NOERROR; // skip connected pins
}
HRESULT hr;
DSPin targ;
if (pCapPin.HasCategory(PIN_CATEGORY_VBI)) {
if (!pMSTee) {
DSDevices teelist(m_pSystemEnum, KSCATEGORY_SPLITTER);
pMSTee = m_pGraph.AddMoniker(*(teelist.begin()));
if (!pMSTee) {
TRACELM(TRACE_ERROR, "CAnaDataComp::Compose() can't add mstee moniker to graph");
THROWCOM(E_UNEXPECTED);
}
}
targ = pMSTee.FirstPin(PINDIR_INPUT);
ASSERT(targ);
hr = pCapPin.Connect(targ);
if (FAILED(hr)) {
TRACELSM(TRACE_ERROR, (dbgDump << "CAnaDataComp::CapturePinPrep() can't connect " << pCapPin << " " << pCapPin.GetFilter() << " to " << targ << " " << targ.GetFilter() << " hr = " << std::hex << hr), "");
THROWCOM(E_UNEXPECTED);
}
} else if (pCapPin.HasCategory(PIN_CATEGORY_VIDEOPORT_VBI)) {
// hook up vbi surf to pincat_vpvbi
if (!pVPM) {
CString csName(_T("VideoPort Manager"));
pVPM = m_pGraph.AddFilter(CLSID_VideoPortManager, csName);
if (!pVPM) {
TRACELM(TRACE_ERROR, "CAnaDataComp::Compose() can't create vbisurf");
THROWCOM(E_UNEXPECTED);
}
}
DSFilterList intermediates;
hr = pCapPin.IntelligentConnect(pVPM, intermediates);
if (FAILED(hr)) {
TRACELSM(TRACE_ERROR, (dbgDump << "CAnaDataComp::CapturePinPrep() can't connect " << pCapPin << " " << pCapPin.GetFilter() << " to " << targ << " " << targ.GetFilter() << " hr = " << std::hex << hr), "");
THROWCOM(E_UNEXPECTED);
}
m_Filters.insert(m_Filters.end(), intermediates.begin(), intermediates.end());
}
return NOERROR;
}
// IMSVidGraphSegment
// IMSVidCompositionSegment
STDMETHOD(Compose)(IMSVidGraphSegment * upstream, IMSVidGraphSegment * downstream)
{
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, "CAnaDataComp::Compose() can't compose empty up segment");
return E_INVALIDARG;
}
if (down.begin() == down.end()) {
TRACELM(TRACE_ERROR, "CAnaDataComp::Compose() can't compose empty down segment");
return E_INVALIDARG;
}
VWGraphSegment::iterator iCap = std::find_if(up.begin(),
up.end(),
arity1_pointer(&IsAnalogVideoCapture));
if (iCap == up.end()) {
TRACELM(TRACE_ERROR, "CAnaDataComp::Compose() upstream segment has no capture filter");
return E_FAIL;
}
ASSERT((*iCap).GetGraph() == m_pGraph);
VWGraphSegment::iterator iIPSink = std::find_if(down.begin(),
down.end(),
arity1_pointer(&IsIPSink));
if (iIPSink == down.end()) {
TRACELM(TRACE_ERROR, "CAnaDataComp::Compose() downstream segment has no ip sink filter");
return E_FAIL;
}
if (!m_pSystemEnum) {
HRESULT hr = m_pSystemEnum.CoCreateInstance(CLSID_SystemDeviceEnum, NULL, CLSCTX_INPROC_SERVER);
if (FAILED(hr)) {
return E_UNEXPECTED;
}
}
DSFilter ipsink(*iIPSink);
ASSERT(!!ipsink);
ASSERT(ipsink.GetGraph() == m_pGraph);
PQVidCtl pqCtl;
HRESULT hr = m_pContainer->QueryInterface(IID_IMSVidCtl, reinterpret_cast<void**>(&pqCtl));
if(FAILED(hr)){
return hr;
}
CComQIPtr<IMSVidVideoRenderer> spVidVid;
hr = pqCtl->get_VideoRendererActive(&spVidVid);
if(FAILED(hr)){
return hr;
}
DSFilter vpm;
bool fVPMalreadyloaded = false;
if(spVidVid){
for (DSGraph::iterator i = m_pGraph.begin(); i != m_pGraph.end(); ++i) {
DSFilter f(*i);
if (IsVPM(f)) {
vpm = f;
fVPMalreadyloaded = true;
break;
}
}
}
DSFilter mstee;
#if 0
std::for_each((*iCap).begin(),
(*iCap).end(),
bndr_obj_2_3<arity3pmf<CAnaDataComp, DSPin&, DSFilter&, DSFilter&, HRESULT> >(
*this,
arity3pmf<CAnaDataComp,
DSPin&,
DSFilter&,
DSFilter&,
HRESULT>(&CAnaDataComp::CapturePinPrep),
mstee,
vpm
));
#else
DSFilter::iterator i2;
for (i2 = (*iCap).begin(); i2 != (*iCap).end(); ++i2) {
CapturePinPrep(*i2, mstee, vpm);
}
#endif
if (!mstee) {
TRACELM(TRACE_ERROR, "CAnaDataComp::Compose() no vbi pins on capture filter");
return Error(IDS_E_NOVBI, __uuidof(CAnaCapComp), E_FAIL);
}
if (vpm && !fVPMalreadyloaded) {
m_Filters.push_back(vpm);
}
m_Filters.push_back(mstee);
//m_Filters.push_back(ipsink);
// create codec enumerator
DSDevices codeclist(m_pSystemEnum, KSCATEGORY_VBICODEC);
std::for_each(codeclist.begin(),
codeclist.end(),
bndr_obj_2_3<arity3pmf<CAnaDataComp, const DSFilterMoniker&, DSFilter&, DSFilter&, HRESULT> >(
*this,
arity3pmf<CAnaDataComp,
const DSFilterMoniker&,
DSFilter&,
DSFilter&,
HRESULT>(&CAnaDataComp::AddCodec),
(*iCap),
ipsink
));
return NOERROR;
} catch (ComException &e) {
return e;
} catch (...) {
return E_UNEXPECTED;
}
}
};
#endif // ANADATA_H
// end of file - anadata.h