Windows-Server-2003/public/internal/multimedia/inc/segment.cpp

89 lines
2.5 KiB
C++

//==========================================================================;
//
// Copyright (c) Microsoft Corporation 1995-1999.
//
//--------------------------------------------------------------------------;
//
// segment.cpp : implementation of various graph segment extension classes
//
#include "stdafx.h"
#ifndef TUNING_MODEL_ONLY
#include <bdamedia.h>
#include "devices.h"
#include "seg.h"
#include "closedcaptioning.h"
#include "MSViddataservices.h"
DEFINE_EXTERN_OBJECT_ENTRY(CLSID_MSVidClosedCaptioning, CClosedCaptioning)
DEFINE_EXTERN_OBJECT_ENTRY(CLSID_MSVidDataServices, CDataServices)
// VWSegment
#if 0
// note: the compiler is generating but never calling the code to construct these initializers so the pointers
// are staying null. we work around this by providing a function which dynamically allocating them on the heap
// and calling it in our dllmain.
std_arity1pmf<IMSVidGraphSegment, IEnumFilters **, HRESULT> * VWGraphSegment::Fetch = &std_arity1_member(&IMSVidGraphSegment::EnumFilters);
// reset and next use same types as DSGraphContainer so same template expansion already initialized
#else
std_arity1pmf<IMSVidGraphSegment, IEnumFilters **, HRESULT> * VWGraphSegment::Fetch = NULL;
// reset and next use same types as DSGraphContainer so same template expansion already initialized
#endif
namespace MSVideoControl {
// work around compiler bug as per above description
void CtorStaticVWSegmentFwdSeqPMFs(void) {
// DSGraphContainer
VWGraphSegment::Fetch = new std_arity1pmf<IMSVidGraphSegment, IEnumFilters **, HRESULT>(&IMSVidGraphSegment::EnumFilters);
}
// work around compiler bug as per above description
void DtorStaticVWSegmentFwdSeqPMFs(void) {
// DSGraphContainer
delete VWGraphSegment::Fetch;
}
VWSegmentContainer VWGraphSegment::Container(void) {
VWSegmentContainer g;
HRESULT hr = (*this)->get_Container(&g);
ASSERT(SUCCEEDED(hr));
return g;
}
MSVidSegmentType VWGraphSegment::Type(void) {
MSVidSegmentType t;
HRESULT hr = (*this)->get_Type(&t);
ASSERT(SUCCEEDED(hr));
return t;
}
DSGraph VWGraphSegment::Graph(void) {
DSGraph g;
HRESULT hr = (Container())->get_Graph(&g);
ASSERT(SUCCEEDED(hr));
return g;
}
GUID2 VWGraphSegment::Category(void) {
GUID2 g;
HRESULT hr = (*this)->get_Category(&g);
ASSERT(SUCCEEDED(hr));
return g;
}
GUID2 VWGraphSegment::ClassID(void) {
GUID2 g;
HRESULT hr = (*this)->GetClassID(&g);
ASSERT(SUCCEEDED(hr));
return g;
}
}; // namespace
#endif //TUNING_MODEL_ONLY
// end of file - segment.cpp