164 lines
4.7 KiB
C++
164 lines
4.7 KiB
C++
//==========================================================================;
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// MSVidDataServices.h : Declaration of the CMSVidDataServices
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// copyright (c) Microsoft Corp. 1998-1999.
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/////////////////////////////////////////////////////////////////////////////
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#pragma once
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#ifndef __MSVidDataServices_H_
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#define __MSVidDataServices_H_
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#include <algorithm>
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#include <tchar.h>
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#include <objectwithsiteimplsec.h>
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#include "segimpl.h"
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#include "dataserviceimpl.h"
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#include "seg.h"
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typedef CComQIPtr<ITuner> PQMSVidDataServices;
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/////////////////////////////////////////////////////////////////////////////
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// CMSVidDataServices
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class ATL_NO_VTABLE __declspec(uuid("334125C0-77E5-11d3-B653-00C04F79498E")) CDataServices :
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public CComObjectRootEx<CComSingleThreadModel>,
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public CComCoClass<CDataServices, &__uuidof(CDataServices)>,
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public IObjectWithSiteImplSec<CDataServices>,
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public ISupportErrorInfo,
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public IConnectionPointContainerImpl<CDataServices>,
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public IMSVidGraphSegmentImpl<CDataServices, MSVidSEG_XFORM, &GUID_NULL>,
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public IMSVidDataServicesImpl<CDataServices, &LIBID_MSVidCtlLib, &GUID_NULL, IMSVidDataServices>
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{
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public:
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CDataServices() : m_iIPSink(-1) {
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}
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REGISTER_AUTOMATION_OBJECT(IDS_PROJNAME,
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IDS_REG_DATASERVICES_PROGID,
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IDS_REG_DATASERVICES_DESC,
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LIBID_MSVidCtlLib,
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__uuidof(CDataServices));
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DECLARE_PROTECT_FINAL_CONSTRUCT()
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BEGIN_COM_MAP(CDataServices)
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COM_INTERFACE_ENTRY(IMSVidGraphSegment)
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COM_INTERFACE_ENTRY(IMSVidDataServices)
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COM_INTERFACE_ENTRY(IDispatch)
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COM_INTERFACE_ENTRY(IObjectWithSite)
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COM_INTERFACE_ENTRY(IMSVidFeature)
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COM_INTERFACE_ENTRY(IMSVidDevice)
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COM_INTERFACE_ENTRY(ISupportErrorInfo)
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COM_INTERFACE_ENTRY(IConnectionPointContainer)
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COM_INTERFACE_ENTRY(IPersist)
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END_COM_MAP()
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BEGIN_CATEGORY_MAP(CDataServices)
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IMPLEMENTED_CATEGORY(CATID_SafeForScripting)
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IMPLEMENTED_CATEGORY(CATID_SafeForInitializing)
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IMPLEMENTED_CATEGORY(CATID_PersistsToPropertyBag)
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END_CATEGORY_MAP()
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BEGIN_CONNECTION_POINT_MAP(CDataServices)
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END_CONNECTION_POINT_MAP()
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// ISupportsErrorInfo
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STDMETHOD(InterfaceSupportsErrorInfo)(REFIID riid);
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public:
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PQCreateDevEnum m_pSystemEnum;
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int m_iIPSink;
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HRESULT Unload(void) {
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IMSVidGraphSegmentImpl<CDataServices, MSVidSEG_XFORM, &GUID_NULL>::Unload();
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m_iIPSink = -1;
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return NOERROR;
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}
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// IMSVidGraphSegment
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STDMETHOD(Build)() {
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return NOERROR;
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}
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STDMETHOD(PreRun)() {
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return NOERROR;
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}
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STDMETHOD(put_Container)(IMSVidGraphSegmentContainer *pCtl)
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{
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if (!m_fInit) {
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return CO_E_NOTINITIALIZED;
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}
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try {
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if (!pCtl) {
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return Unload();
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}
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if (m_pContainer) {
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if (!m_pContainer.IsEqualObject(VWSegmentContainer(pCtl))) {
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return Error(IDS_OBJ_ALREADY_INIT, __uuidof(IMSVidDataServices), CO_E_ALREADYINITIALIZED);
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} else {
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return NO_ERROR;
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}
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}
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// DON'T addref the container. we're guaranteed nested lifetimes
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// and an addref creates circular refcounts so we never unload.
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m_pContainer.p = pCtl;
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m_pGraph = m_pContainer.GetGraph();
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// bring in all bda renderers
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m_pSystemEnum = PQCreateDevEnum(CLSID_SystemDeviceEnum, NULL, CLSCTX_INPROC_SERVER);
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DSDevices pe(m_pSystemEnum, KSCATEGORY_IP_SINK);
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DSDevices::iterator pit = pe.begin();
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if (!*pe.begin()) {
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TRACELM(TRACE_ERROR, "CMSVidDataServices::put_Container() missing ipsink category, drivers not installed");
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return E_FAIL;
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}
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for (; pit != pe.end(); ++pit) {
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DSFilter ipsink(m_pGraph.AddMoniker(*pe.begin()));
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if (!ipsink) {
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TRACELM(TRACE_ERROR, "CMSVidDataServices::put_Container() can't load ip sink");
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return E_FAIL;
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}
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m_Filters.push_back(ipsink);
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}
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m_iIPSink = 0; // assume ipsink was first in category
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return NOERROR;
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} catch (ComException &e) {
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return e;
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} catch(...) {
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return E_UNEXPECTED;
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}
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return NOERROR;
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}
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// IMSVidDevice
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STDMETHOD(get_Name)(BSTR * Name)
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{
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if (!m_fInit) {
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return CO_E_NOTINITIALIZED;
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}
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try {
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return GetName(((m_iIPSink > -1) ? (m_Filters[m_iIPSink]) : DSFilter()), m_pDev, CComBSTR(_T("BDA IPSink"))).CopyTo(Name);
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} catch(...) {
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return E_POINTER;
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}
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}
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};
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STDMETHODIMP CDataServices::InterfaceSupportsErrorInfo(REFIID riid)
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{
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static const IID* arr[] =
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{
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&IID_IMSVidDataServices
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};
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for (int i=0; i < sizeof(arr) / sizeof(arr[0]); i++)
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{
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if (InlineIsEqualGUID(*arr[i],riid))
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return S_OK;
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}
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return S_FALSE;
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}
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#endif //__MSVidDataServices_H_
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