www.pudn.com > AudioVideoCapture.rar > CVideoRendererFilter.cpp


//
// CVideoRendererFilter.cpp
//

/*-----------------------------------------------------*\
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/*-----------------------------------------------------*/

#include "stdafx.h"
#include "CVideoRendererFilter.h"

#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif

GUID CLSID_VMR9 = {
0x51B4ABF3, 0x748F, 0x4E3B, 0xA2, 0x76, 0xC8, 0x28, 0x33, 0x0E, 0x92, 0x6A};

GUID CLSID_VMR7 = {
0x6BC1CFFA, 0x8FC1, 0x4261, 0xAC, 0x22, 0xCF, 0xB4, 0xCC, 0x38, 0xDB, 0x50};

////////////////////////////////////////////////////////////////////////
CVideoRendererFilter::CVideoRendererFilter(IGraphBuilder * inGraph) :
CDXFilter(inGraph, CLSID_VideoRenderer, "Video Renderer")
{
mVMRPreferred = FALSE;
}

CVideoRendererFilter::~CVideoRendererFilter(void)
{
}

BOOL CVideoRendererFilter::CreateFilter(void)
{
if (!mVMRPreferred)
{
mClsid = CLSID_VideoRenderer;
return CDXFilter::CreateFilter();
}
else
{
mClsid = CLSID_VMR9;
BOOL pass = CDXFilter::CreateFilter();
if (!pass)
{
mClsid = CLSID_VMR7; // Only available on XP
pass = CDXFilter::CreateFilter();
}
if (!pass)
{
mClsid = CLSID_VideoRenderer;
pass = CDXFilter::CreateFilter();
}
return pass;
}
}

void CVideoRendererFilter::SetVMRPreferred(BOOL inPreferred)
{
mVMRPreferred = inPreferred;
}

IPin * CVideoRendererFilter::GetInputPin(void)
{
if (mClsid == CLSID_VideoRenderer)
{
return CDXFilter::GetPin(TRUE, "Input");
}
else
{
return CDXFilter::GetPin(TRUE, "VMR Input0");
}
}