Leaked source code of windows server 2003
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//==========================================================================;
//
// Composition.h : Declaration of the custom composition class for gluing analog capture to ovmixer
// Copyright (c) Microsoft Corporation 1999.
//
/////////////////////////////////////////////////////////////////////////////
#ifndef DAT2SIN_H
#define DAT2SIN_H
#pragma once
#include <uuids.h>
#include "bdamedia.h"
#include "MSVidTVTuner.h"
#include "resource.h" // main symbols
#include <winerror.h>
#include <algorithm>
#include <compimpl.h>
#include <seg.h>
#include <objectwithsiteimplsec.h>
#include <ksmedia.h>
#include "enc2sin.h"
typedef struct
{
KSPROPERTY m_ksThingy;
VBICODECFILTERING_CC_SUBSTREAMS ccSubStreamMask;
} KSPROPERTY_VBICODECFILTERING_CC_SUBSTREAMS;
/////////////////////////////////////////////////////////////////////////////
// CDat2SinComp
class ATL_NO_VTABLE __declspec(uuid("38F03426-E83B-4e68-B65B-DCAE73304838")) CDat2SinComp :
public CComObjectRootEx<CComSingleThreadModel>,
public CComCoClass<CDat2SinComp, &__uuidof(CDat2SinComp)>,
public IObjectWithSiteImplSec<CDat2SinComp>,
public IMSVidCompositionSegmentImpl<CDat2SinComp>
{
private:
DSFilterList m_pEncFilters;
public:
CDat2SinComp() {}
virtual ~CDat2SinComp() {}
REGISTER_NONAUTOMATION_OBJECT(IDS_PROJNAME,
IDS_REG_DAT2SINCOMP_DESC,
LIBID_MSVidCtlLib,
__uuidof(CDat2SinComp));
DECLARE_PROTECT_FINAL_CONSTRUCT()
BEGIN_COM_MAP(CDat2SinComp)
COM_INTERFACE_ENTRY(IMSVidCompositionSegment)
COM_INTERFACE_ENTRY(IMSVidGraphSegment)
COM_INTERFACE_ENTRY(IObjectWithSite)
COM_INTERFACE_ENTRY(IPersist)
END_COM_MAP()
// IMSVidComposition
public:
// IMSVidGraphSegment
// IMSVidCompositionSegment
STDMETHOD(CheckEncFilters)(){
int j = 0;
for(DSFilterList::iterator i = m_pEncFilters.begin(); i != m_pEncFilters.end(); ++i){
TRACELM(TRACE_ERROR, "CAnaSinComp::CheckEncFilters checking filter " << j);
CComQIPtr<IETFilterConfig> spETConfig;
CComPtr<IUnknown> spUnkSecChan;
spETConfig = (*i);
if(!spETConfig){
TRACELM(TRACE_ERROR, "CAnaSinComp::CheckEncFilters filter " << j << " could not get et filter config interface");
return E_NOINTERFACE;
}
HRESULT hr = spETConfig->GetSecureChannelObject(&spUnkSecChan);
hr = CheckIfSecureClient(spUnkSecChan);
if(FAILED(hr)){
TRACELM(TRACE_ERROR, "CAnaSinComp::CheckEncFilters filter " << j << " Failed");
return E_FAIL;
}
++j;
}
TRACELM(TRACE_ERROR, "CAnaSinComp::CheckEncFilters no failures");
return NOERROR;
}
STDMETHOD(PreRun)(){
return CheckEncFilters();
}
STDMETHOD(put_Container)(IMSVidGraphSegmentContainer *pCtl) {
try {
if (!pCtl) {
m_pEncFilters.clear();
return Unload();
}
if (m_pContainer) {
if (!m_pContainer.IsEqualObject(VWSegmentContainer(pCtl))) {
//undone: support moving to different graph
return Error(IDS_OBJ_ALREADY_INIT, __uuidof(IMSVidGraphSegment), CO_E_ALREADYINITIALIZED);
} else {
return NO_ERROR;
}
}
// DON'T addref the container. we're guaranteed nested lifetimes
// and an addref creates circular refcounts so we never unload.
m_pContainer.p = pCtl;
m_pGraph = m_pContainer.GetGraph();
} catch(...) {
return E_UNEXPECTED;
}
return NOERROR;
}
STDMETHOD(SetSubstreamChannel)(IPin * pPinCCDecoder, DWORD dwSubStreamChannels){
HRESULT hr;
if(!(dwSubStreamChannels &
(KS_CC_SUBSTREAM_ODD | KS_CC_SUBSTREAM_EVEN |
KS_CC_SUBSTREAM_SERVICE_CC1 | KS_CC_SUBSTREAM_SERVICE_CC2 |
KS_CC_SUBSTREAM_SERVICE_CC3 | KS_CC_SUBSTREAM_SERVICE_CC4 |
KS_CC_SUBSTREAM_SERVICE_T1 | KS_CC_SUBSTREAM_SERVICE_T2 |
KS_CC_SUBSTREAM_SERVICE_T3 | KS_CC_SUBSTREAM_SERVICE_T4 |
KS_CC_SUBSTREAM_SERVICE_XDS))){
return E_INVALIDARG;
}
try {
IKsPropertySet *pksPSet = NULL;
hr = pPinCCDecoder->QueryInterface(IID_IKsPropertySet, (void **) &pksPSet);
if(SUCCEEDED(hr)){
DWORD rgdwData[20];
DWORD cbMax = sizeof(rgdwData);
DWORD cbData;
hr = pksPSet->Get(KSPROPSETID_VBICodecFiltering,
KSPROPERTY_VBICODECFILTERING_SUBSTREAMS_DISCOVERED_BIT_ARRAY,
NULL, 0,
(BYTE *) rgdwData, cbMax, &cbData);
if(SUCCEEDED(hr)){
KSPROPERTY_VBICODECFILTERING_CC_SUBSTREAMS ksThing = {0};
ksThing.ccSubStreamMask.SubstreamMask = dwSubStreamChannels;
// ring3 to ring0 propset call
hr = pksPSet->Set(KSPROPSETID_VBICodecFiltering,
KSPROPERTY_VBICODECFILTERING_SUBSTREAMS_REQUESTED_BIT_ARRAY,
&ksThing.ccSubStreamMask,
sizeof(ksThing) - sizeof(KSPROPERTY),
&ksThing,
sizeof(ksThing));
}
pksPSet->Release();
}
} catch (HRESULT hrCatch) {
// bad things happend
hr = hrCatch;
} catch (...) {
// Threw Badly - Giving Up"
hr = E_FAIL;
}
return hr;
}
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 (upstream == downstream) {
return Error(IDS_CANT_COMPOSE_WITH_SELF, __uuidof(IMSVidCompositionSegment), E_INVALIDARG);
}
if (up.begin() == up.end()) {
TRACELM(TRACE_ERROR, "CComposition::Compose() can't compose empty up segment");
return NOERROR;
}
if (down.begin() == down.end()) {
TRACELM(TRACE_ERROR, "CComposition::Compose() can't compose empty down segment");
// this is not an error, for example, CA is an empty segment.
return NOERROR;
}
// Making sure that only the cc pin is rendered to the sink and that the encrypter is added
CMSVidStreamBufferSink* ds = (CMSVidStreamBufferSink*)downstream;
DSFilter pSink(ds->m_Filters[0]);
DSGraph::iterator gFilter;
DSFilter::iterator fPin;
DSPin::iterator pMedia;
DSPin ccPin;
DSMediaType mtL21(MEDIATYPE_AUXLine21Data, MEDIASUBTYPE_Line21_BytePair);
for(gFilter = m_pGraph.begin(); gFilter != m_pGraph.end() && !ccPin; ++gFilter){
for(fPin = (*gFilter).begin(); fPin != (*gFilter).end() && !ccPin; ++fPin){
for(pMedia = (*fPin).begin(); pMedia != (*fPin).end() && !ccPin; ++pMedia){
if((*pMedia) == mtL21){
if(!(*fPin).IsConnected() && (*fPin).GetDirection() == PINDIR_OUTPUT){
ccPin = *fPin;
}
}
}
}
}
if(!ccPin){
return E_FAIL;
}
HRESULT hr = E_FAIL;
DSFilterList intermediates;
#if ENCRYPT_NEEDED
CComBSTR encString(L"{C4C4C4F1-0049-4E2B-98FB-9537F6CE516D}");
GUID2 encdecGuid (encString);
CComPtr<IUnknown> spEncTagFilter(encdecGuid, NULL, CLSCTX_INPROC_SERVER);
if (!spEncTagFilter) {
TRACELM(TRACE_ERROR, "CMSVidStreamBufferSink::Build() can't load Tagger filter");
return ImplReportError(__uuidof(IMSVidStreamBufferSink), IDS_CANT_CREATE_FILTER, __uuidof(IStreamBufferSink), E_UNEXPECTED);
}
DSFilter ETFilter(spEncTagFilter);
if (!ETFilter) {
ASSERT(false);
return ImplReportError(__uuidof(IMSVidStreamBufferSink), IDS_CANT_CREATE_FILTER, __uuidof(IBaseFilter), E_UNEXPECTED);
}
m_Filters.push_back(ETFilter);
m_pEncFilters.push_back(ETFilter);
CString csName = _T("CC Encoder Tagger Filter");
m_pGraph.AddFilter(ETFilter, csName);
// Connect cc pin to the Tagger
hr = ccPin.IntelligentConnect(ETFilter, intermediates);
if(FAILED(hr)){
TRACELM(TRACE_DETAIL, "CAnaSinComp::Compose() can't connect audio pin to CC Tagger");
return E_UNEXPECTED;
}
ASSERT(intermediates.begin() == intermediates.end());
m_Filters.insert(m_Filters.end(), intermediates.begin(), intermediates.end());
hr = E_FAIL;
DSFilter::iterator ETPin;
for(ETPin = ETFilter.begin(); ETPin != ETFilter.end(); ++ETPin){
if((*ETPin).GetDirection() == PINDIR_OUTPUT && !(*ETPin).IsConnected()){
break;
}
}
if(ETPin == ETFilter.end()){
return E_UNEXPECTED;
}
for(fPin = pSink.begin(); fPin != pSink.end() && FAILED(hr); ++fPin){
if((*fPin).GetDirection() == PINDIR_INPUT && !(*fPin).IsConnected()){
hr = (*ETPin).Connect((*fPin));
}
}
if(FAILED(hr)){
return hr;
}
else{
ASSERT(intermediates.begin() == intermediates.end());
m_Filters.insert(m_Filters.end(), intermediates.begin(), intermediates.end());
}
#else
for(fPin = pSink.begin(); fPin != pSink.end() && FAILED(hr); ++fPin){
if((*fPin).GetDirection() == PINDIR_INPUT && !(*fPin).IsConnected()){
hr = ccPin.Connect((*fPin));
}
}
if(FAILED(hr)){
return hr;
}
#endif
// BUG in the cc codec makes it so we have to set the feilds as such
// hr = SetSubstreamChannel(ccPin, KS_CC_SUBSTREAM_EVEN|KS_CC_SUBSTREAM_ODD);
ASSERT(SUCCEEDED(hr));
return NOERROR;
} catch (ComException &e) {
return e;
} catch (...) {
return E_UNEXPECTED;
}
}
};
#endif // Dat2Sin_H
// end of file - Dat2Sin.h