#include <iostream> #include <cv.h> #include <cvaux.h> #include <highgui.h> #pragma comment(lib, "ml.lib") #pragma comment(lib, "cv.lib") #pragma comment(lib, "cvaux.lib") #pragma comment(lib, "cvcam.lib") #pragma comment(lib, "cxcore.lib") #pragma comment(lib, "cxts.lib") #pragma comment(lib, "highgui.lib") #pragma comment(lib, "cvhaartraining.lib") using namespace std; int main() { CvCapture* capture = cvCaptureFromCAM(-1); CvVideoWriter* video = NULL; IplImage* frame = NULL; int n; if(!capture) //若是不能打开摄像头给出警告 { std::cout << "Can not open the camera." << std::endl; return -1; } else { frame = cvQueryFrame(capture); //首先取得摄像头中的一帧 video = cvCreateVideoWriter("camera.avi", CV_FOURCC('X', 'V', 'I', 'D'), 25, cvSize(frame->width,frame->height)); //建立CvVideoWriter对象并分配空间 //保存的文件名为camera.avi,编码要在运行程序时选择,大小就是摄像头视频的大小,帧频率是32 if(video) //若是能建立CvVideoWriter对象则代表成功 { cout<<"VideoWriter has created."<<endl; } cvNamedWindow("Camera Video",1); //新建一个窗口 int i = 0; while(i <= 200) // 让它循环200次自动中止录取 { frame = cvQueryFrame(capture); //从CvCapture中得到一帧 if(!frame) { std::cout << "Can not get frame from the capture." << std::endl; break; } n = cvWriteFrame(video, frame); //判断是否写入成功,若是返回的是1,表示写入成功 std::cout << n << std::endl; cvShowImage("Camera Video",frame); //显示视频内容的图片 i++; if(cvWaitKey(2) > 0) break; //有其余键盘响应,则退出 } cvReleaseVideoWriter(&video); cvReleaseCapture(&capture); cvDestroyWindow("Camera Video"); } return 0; }