117 lines
3.7 KiB
C
117 lines
3.7 KiB
C
|
//==========================================================================;
|
||
|
|
//
|
||
|
|
// Composition.h : Declaration of the custom composition class for gluing analog capture to ovmixer
|
||
|
|
// Copyright (c) Microsoft Corporation 1999.
|
||
|
|
//
|
||
|
|
/////////////////////////////////////////////////////////////////////////////
|
||
|
|
|
||
|
|
|
||
|
|
#ifndef ANA2ENC_H
|
||
|
|
#define ANA2ENC_H
|
||
|
|
|
||
|
|
#pragma once
|
||
|
|
|
||
|
|
#include <winerror.h>
|
||
|
|
#include <algorithm>
|
||
|
|
#include <compimpl.h>
|
||
|
|
#include <seg.h>
|
||
|
|
#include "resource.h" // main symbols
|
||
|
|
#include <objectwithsiteimplsec.h>
|
||
|
|
#include "dsextend.h"
|
||
|
|
|
||
|
|
/////////////////////////////////////////////////////////////////////////////
|
||
|
|
// CAna2EncComp
|
||
|
|
class ATL_NO_VTABLE __declspec(uuid("28953661-0231-41db-8986-21FF4388EE9B")) CAna2EncComp :
|
||
|
|
public CComObjectRootEx<CComSingleThreadModel>,
|
||
|
|
public CComCoClass<CAna2EncComp, &__uuidof(CAna2EncComp)>,
|
||
|
|
public IObjectWithSiteImplSec<CAna2EncComp>,
|
||
|
|
public IMSVidCompositionSegmentImpl<CAna2EncComp>
|
||
|
|
{
|
||
|
|
public:
|
||
|
|
CAna2EncComp() {}
|
||
|
|
virtual ~CAna2EncComp() {}
|
||
|
|
|
||
|
|
REGISTER_NONAUTOMATION_OBJECT(IDS_PROJNAME,
|
||
|
|
IDS_REG_ANA2ENCCOMP_DESC,
|
||
|
|
LIBID_MSVidCtlLib,
|
||
|
|
__uuidof(CAna2EncComp));
|
||
|
|
|
||
|
|
DECLARE_PROTECT_FINAL_CONSTRUCT()
|
||
|
|
|
||
|
|
BEGIN_COM_MAP(CAna2EncComp)
|
||
|
|
COM_INTERFACE_ENTRY(IMSVidCompositionSegment)
|
||
|
|
COM_INTERFACE_ENTRY(IMSVidGraphSegment)
|
||
|
|
COM_INTERFACE_ENTRY(IObjectWithSite)
|
||
|
|
COM_INTERFACE_ENTRY(IPersist)
|
||
|
|
END_COM_MAP()
|
||
|
|
|
||
|
|
public:
|
||
|
|
|
||
|
|
PQCreateDevEnum m_pSystemEnum;
|
||
|
|
|
||
|
|
//////////////
|
||
|
|
|
||
|
|
// IMSVidGraphSegment
|
||
|
|
// IMSVidCompositionSegment
|
||
|
|
STDMETHOD(Compose)(IMSVidGraphSegment * upstream, IMSVidGraphSegment * downstream)
|
||
|
|
{
|
||
|
|
if (m_fComposed) {
|
||
|
|
return NOERROR;
|
||
|
|
}
|
||
|
|
ASSERT(m_pGraph);
|
||
|
|
try {
|
||
|
|
TRACELM(TRACE_ERROR, "CVidCtl::Ana2Enc() Compose");
|
||
|
|
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;
|
||
|
|
}
|
||
|
|
// do the list backwards
|
||
|
|
DSFilterList upF;
|
||
|
|
for(VWGraphSegment::iterator upStart = up.begin(); upStart != up.end(); ++upStart){
|
||
|
|
upF.push_back(*upStart);
|
||
|
|
}
|
||
|
|
|
||
|
|
for (DSFilterList::reverse_iterator iStart = upF.rbegin(); iStart != upF.rend(); ++iStart) {
|
||
|
|
ASSERT((*iStart).GetGraph() == m_pGraph);
|
||
|
|
for (VWGraphSegment::iterator iStop = down.begin(); iStop != down.end(); ++iStop) {
|
||
|
|
ASSERT((*iStop).GetGraph() == m_pGraph);
|
||
|
|
DSFilter pStart(*iStart);
|
||
|
|
DSFilter pStop(*iStop);
|
||
|
|
HRESULT hr = m_pGraph.Connect(pStart, pStop, m_Filters, 0x10);
|
||
|
|
if (SUCCEEDED(hr)) {
|
||
|
|
m_Segments.push_back(up);
|
||
|
|
m_Segments.push_back(down);
|
||
|
|
m_pDown = m_Segments.end();
|
||
|
|
--m_pDown;
|
||
|
|
m_pUp = m_pDown;
|
||
|
|
--m_pUp;
|
||
|
|
m_fComposed = true;
|
||
|
|
return NOERROR;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
TRACELM(TRACE_ERROR, "CComposition::Compose() compose didn't connect anything");
|
||
|
|
return Error(IDS_CANT_COMPOSE, __uuidof(IMSVidCompositionSegment), E_FAIL);
|
||
|
|
} catch (ComException &e) {
|
||
|
|
return e;
|
||
|
|
} catch (...) {
|
||
|
|
return E_UNEXPECTED;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
};
|
||
|
|
|
||
|
|
#endif // ANA2ENC_H
|
||
|
|
// end of file - ANA2ENC.h
|