读取大恒采集卡c++代码

#ifndef   _DAHENG_CARD_HEAD_
#define  _DAHENG_CARD_HEAD_
#include"Daheng\CGVideo.h"
#include"Daheng\CGVidEx.h"
#pragma comment(lib, "CGVideo.lib")
#pragma comment(lib, "CGVidEx.lib")

class DaHengVideo
{
public:
	DaHengVideo()
	{
		initdata();
	}
	~DaHengVideo()
	{
		clear();
	}
	void initdata()
	{
		 pImage=NULL;
		m_CardID=1,m_PortID=2,m_OSC28M=0;
		m_Width=768,m_Height=576;
		m_inputX=0,m_inputY=0,m_inputW=768,m_inputH=576;
		m_Brightness=128,m_Contrast=128,m_Hue=80,m_Saturation=128;
	
	}
	bool setup(int w,int h,int CardID,int PortID,int OSC28M)
	{
		 m_Width=w,m_Height=h;
    //---------------------------------------------------------------------------------------
    m_size=m_Width*m_Height*3;
    pImage=new BYTE[m_size];
  
    
 	//////////////////////////////////////////////////////////////////////////
	CGSTATUS status =BeginCGCard(m_CardID,&m_hcg);
	if(status!= CG_OK)
	{
		printf("init Card error! \n");
	}
	CGSetVideoStandard(m_hcg,PAL);
	CGSetVideoFormat(m_hcg,RGB888);
	CGSetScanMode(m_hcg,FRAME);
	if(m_OSC28M)
        CGSelectCryOSC(m_hcg,CRY_OSC_28M);
    else
        CGSelectCryOSC(m_hcg,CRY_OSC_35M);
	VIDEO_SOURCE source;
	source.type	= COMPOSITE_VIDEO;
	source.nIndex = m_PortID;
	CGSetVideoSource(m_hcg,source);
	CGSetInputWindow(m_hcg,m_inputX,m_inputY,m_inputW,m_inputH);
	CGSetOutputWindow(m_hcg,0,0,m_Width,m_Height);
	CGOpenSnapEx(m_hcg,SnapCallbackEx,this);
	CGStartSnapEx(m_hcg,m_size*((m_CardID-1)*2),TRUE,2);

	SetBrightness(m_Brightness);
	SetContrast(m_Contrast);
	SetHue(m_Hue);
	SetSaturation(m_Saturation);

		printf("DaHeng Card init Succssed \n");
		return true;
	}

	void clear()
	{
		CGSTATUS m_stats=EndCGCard(m_hcg);
		if(m_stats ==CG_OK)
		{
			printf("DaHengCard Shutdown Sucssed!\n ");
		}
		if(pImage!=NULL)
		{
			delete [] pImage;
			pImage =NULL;
		}
		
	}
	
	

	void SetBrightness(long Brightness){m_Brightness=Brightness;CGAdjustVideo(m_hcg,BRIGHTNESS,m_Brightness);}
	void SetContrast(long Contrast){m_Contrast=Contrast;CGAdjustVideo(m_hcg,CONTRAST,m_Contrast);}
	void SetHue(long Hue){m_Hue=Hue;CGAdjustVideo(m_hcg,HUE,m_Hue);}
	void SetSaturation(long Saturation){m_Saturation=Saturation;CGAdjustVideo(m_hcg,SATURATION,m_Saturation);}

	void update()
	{
		if(m_Refrash)
		{
		
		
			m_Refrash=false;
		}
	
	}
	int GetW()
	{
		return m_Width;
	}
	int GetH()
	{
		return m_Height;
	}
	BYTE *GetPixels()
	{
		return pImage;
	
	}

	void draw(float x, float y)
	{
		//m_Image.draw(x,y);
	}
	void draw(float x, float y,float w,float h)
	{
	   //  m_Image.draw(x,y,w,h);
	}
	//////////////////////////////////////////////////////////////////////////
	void Play()
	{
		CGStartSnapEx(m_hcg,m_size*((m_CardID-1)*2),TRUE,2);
	}
	void Stop()
	{
		CGStopSnapEx(m_hcg);
	}
	void Snap(int mNumber)
	{
	//	if(m_Refrash)return;
		HANDLE handle = NULL;
		BYTE *pStaticBuffer=NULL;
		if(CG_SUCCESS(CGStaticMemLock(m_size*(mNumber+(m_CardID-1)*2),m_size,&handle,(VOID **)&pStaticBuffer)))
		{
			printf("wai get data \n");
			if(CG_SUCCESS(CGDataTransform(pImage,pStaticBuffer,m_Width,m_Height,24,false)))
			{
				printf("get data \n");
				m_Refrash=true;
			}
		}
		CGStaticMemUnlock(handle);
	}
static int CALLBACK SnapCallbackEx(SNAP_INFO *pInfo)
{
	DaHengVideo* pClass = (DaHengVideo*)(pInfo->pParam);
	pClass->Snap(pInfo->nNumber);
	printf("staic get \n");
	return 1;
}

private:
	int m_CardID;
	int m_PortID;
	int m_Width;
	int m_Height;
	int m_size;
	HCG m_hcg;

	int m_OSC28M;
	BYTE* pImage;

private:
	int m_Brightness,m_Contrast,m_Hue,m_Saturation;
    int m_inputX,m_inputY,m_inputW,m_inputH;
	bool m_Refrash;
};




#endif