OpenCV

开发平台：
Visual C++

CAPTUREView.cpp：源码内容
							// CAPTUREView.cpp : implementation of the CCAPTUREView class
//
#include "stdafx.h"
#include "CAPTURE.h"
#include "CAPTUREDoc.h"
#include "CAPTUREView.h"
#include "cv.h"
#include "cxcore.h"
#include "cvaux.h"
#include "highgui.h"
#include "cvcam.h"
#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif
/////////////////////////////////////////////////////////////////////////////
// CCAPTUREView
IMPLEMENT_DYNCREATE(CCAPTUREView, CView)
BEGIN_MESSAGE_MAP(CCAPTUREView, CView)
	//{{AFX_MSG_MAP(CCAPTUREView)
	ON_COMMAND(ID_SHOW_VIDEO, OnShowVideo)
	ON_COMMAND(ID_CAPTURE_VIDEO, OnCaptureVideo)
	//}}AFX_MSG_MAP
	// Standard printing commands
	ON_COMMAND(ID_FILE_PRINT, CView::OnFilePrint)
	ON_COMMAND(ID_FILE_PRINT_DIRECT, CView::OnFilePrint)
	ON_COMMAND(ID_FILE_PRINT_PREVIEW, CView::OnFilePrintPreview)
END_MESSAGE_MAP()
/////////////////////////////////////////////////////////////////////////////
// CCAPTUREView construction/destruction
CCAPTUREView::CCAPTUREView()
{
	// TODO: add construction code here
}
CCAPTUREView::~CCAPTUREView()
{
}
BOOL CCAPTUREView::PreCreateWindow(CREATESTRUCT& cs)
{
	// TODO: Modify the Window class or styles here by modifying
	//  the CREATESTRUCT cs
	return CView::PreCreateWindow(cs);
}
/////////////////////////////////////////////////////////////////////////////
// CCAPTUREView drawing
void CCAPTUREView::OnDraw(CDC* pDC)
{
	CCAPTUREDoc* pDoc = GetDocument();
	ASSERT_VALID(pDoc);
	// TODO: add draw code for native data here
}
/////////////////////////////////////////////////////////////////////////////
// CCAPTUREView printing
BOOL CCAPTUREView::OnPreparePrinting(CPrintInfo* pInfo)
{
	// default preparation
	return DoPreparePrinting(pInfo);
}
void CCAPTUREView::OnBeginPrinting(CDC* /*pDC*/, CPrintInfo* /*pInfo*/)
{
	// TODO: add extra initialization before printing
}
void CCAPTUREView::OnEndPrinting(CDC* /*pDC*/, CPrintInfo* /*pInfo*/)
{
	// TODO: add cleanup after printing
}
/////////////////////////////////////////////////////////////////////////////
// CCAPTUREView diagnostics
#ifdef _DEBUG
void CCAPTUREView::AssertValid() const
{
	CView::AssertValid();
}
void CCAPTUREView::Dump(CDumpContext& dc) const
{
	CView::Dump(dc);
}
CCAPTUREDoc* CCAPTUREView::GetDocument() // non-debug version is inline
{
	ASSERT(m_pDocument->IsKindOf(RUNTIME_CLASS(CCAPTUREDoc)));
	return (CCAPTUREDoc*)m_pDocument;
}
#endif //_DEBUG
/////////////////////////////////////////////////////////////////////////////
// CCAPTUREView message handlers
void CCAPTUREView::OnShowVideo() 
{
	// TODO: Add your command handler code here
	//显示图像
	/*
	IplImage* img = cvLoadImage("E:\pic1.bmp");
	cvNamedWindow("image", CV_WINDOW_AUTOSIZE);
	cvShowImage("image", img);
	cvWaitKey(0);
	cvReleaseImage(&img);
	cvDestroyWindow("image");
	*/
	//显示视频
	cvNamedWindow("Example2", CV_WINDOW_AUTOSIZE);
	CvCapture* capture = cvCreateFileCapture("E:\video1.avi");
	IplImage* frame;
	while (1)
	{
		frame = cvQueryFrame(capture);
		if (!frame)
		{
			break;
		}
		cvShowImage("Example2", frame);
		char c = cvWaitKey(33);
		if (c==27)
		{
			break;
		}
	}
	cvReleaseCapture(&capture);
	cvDestroyWindow("Example2");	
	
}
void CCAPTUREView::OnCaptureVideo() 
{
	// TODO: Add your command handler code here
	IplImage* pFrame = NULL; 
//	IplImage* pFrImg = NULL; 
//	IplImage* pBkImg = NULL; 
	CvCapture* pCapture = NULL; 
	IplImage* imgGray = NULL;
	IplImage* imgGrayBack = NULL;
	pCapture = cvCaptureFromAVI("E:\video1.avi") ;
	//标定视频
	int nFrameCount=0;
	nFrameCount=cvGetCaptureProperty(pCapture,CV_CAP_PROP_FRAME_COUNT);
	//获得帧数
	printf("%d",nFrameCount);
//	for (i=0;i<nFrameCount;i++) 
	cvNamedWindow("show", CV_WINDOW_AUTOSIZE);
	int i;
	for (i=0; i<nFrameCount; i++)
	{ 
	// 	i++;
		pFrame = cvQueryFrame(pCapture); //抓取一帧
		if (i%25 == 1)
			//每5帧捕获一次
		{
			CString strFileName("E:\video1\");
			//去e盘下面建一个文件夹，叫video1
			CString num;
			num.Format("%d", i);
			strFileName += num;
			strFileName += ".bmp";
			const char* e = strFileName.GetBuffer(strFileName.GetLength());
			imgGray = cvCreateImage(cvSize(pFrame->width, pFrame->height), IPL_DEPTH_8U, 1);
			imgGrayBack = cvCreateImage(cvSize(pFrame->width, pFrame->height), IPL_DEPTH_8U, 1);
			cvCvtColor(pFrame, imgGray, CV_BGR2GRAY);
	//		cvConvertImage(imgGray, imgGrayBack, CV_CVTIMG_FLIP);
			cvFlip(imgGray, imgGrayBack, 0);
			cvShowImage("show", imgGrayBack);
			cvSaveImage(e, imgGrayBack);
		}
		
		char c = cvWaitKey(40);
		if (c==27)//ESC退出循环
		{
			break;
		}
	} 
	cvReleaseCapture(&pCapture);
	cvDestroyWindow("show");
/*
	cvNamedWindow("aaa");
	cvShowImage("aaa",pFrame);
	//RGB转换成亮度
	IplImage* origin_rgb = NULL ;//定义rgb空间的存储
	IplImage* origin_ycc = NULL ;//定义转换成YCrCb空间的存储
	IplImage* lumi = NULL ;//定义亮度分量的存储空间
	origin_rgb = cvCreateImage(cvSize(pFrame->width, pFrame->height), IPL_DEPTH_8U, 3 );
	origin_ycc = cvCreateImage(cvSize(pFrame->width, pFrame->height), IPL_DEPTH_8U, 3 );
	lumi = cvCreateImage(cvSize(pFrame->width, pFrame->height), IPL_DEPTH_8U, 1 );
	cvCopy(pFrame,origin_rgb) ;
	cvCvtColor(origin_rgb,origin_ycc,CV_RGB2YCrCb) ;
	cvSplit(origin_ycc, lumi, NULL, NULL, NULL ); //获取Y亮度分量
	cvNamedWindow("Origin_rgb");
	cvMoveWindow("Origin_rgb",0,0);
	cvShowImage("Origin_rgb",origin_rgb);
	cvNamedWindow("origin_ycc");
	cvMoveWindow("origin_ycc",360,0);
	cvShowImage("origin_ycc",origin_ycc);
	cvWaitKey(-1) ;
	cvDestroyWindow("Origin_rgb"); 
	cvDestroyWindow("origin_ycc"); 
	cvReleaseImage(&origin_rgb); 
	cvReleaseImage(&origin_ycc); 
	//cvReleaseImage(&pFrame);
	cvReleaseCapture(&pCapture); 
*/	
}

						