#include <>
#include <sys/>
#include <sys/>
#include <>
#include <sys/>
#include <>
#include <>
#include <>
//#include <>
int main( int argc,char ** argv )
{
//声明IplImage指针
IplImage* pFrame=NULL;
IplImage* pSaveFrame=NULL;
CvCapture* pCapture=NULL;
static char filename[40];
struct tm * tm_ptr;
struct timeb tp;
int p[3];
p[0] = CV_IMWRITE_JPEG_QUALITY;
p[1] = 10; //质量值
p[2] = 0;
//cvNamedWindow("video",1);
if( !(pCapture=cvCaptureFromCAM(0 /*-1*/)) ) //此处值为-1表示自动搜索到的第一个摄象头,而0则表示第一个,1则表示第2个,以此类推。
{
fprintf(stderr,"Can not open camera.\n");
return -1;
}
if(mkdir("./Alert",0755)==-1)
{
//创建时存在该目录会返回错误码,如不存在则创建它,但由于我们需要该目录,则出错也不处理
}
//逐帧读取视频
while(pFrame=cvQueryFrame(pCapture))
{
//cvShowImage("video",pFrame);
//if(cvWaitKey(2)>=0) break;
pSaveFrame=cvCreateImage(cvSize(1024,768),pFrame->depth,pFrame->nChannels);
//get file name
ftime(&tp);
tm_ptr=localtime(&);
snprintf(filename, 40, "./Alert/%04d%02d%02d%02d%02d%02d%", tm_ptr->tm_year-100+2000, tm_ptr->tm_mon + 1, tm_ptr->tm_mday, tm_ptr->tm_hour,tm_ptr->tm_min, tm_ptr->tm_sec,);
cvResize(pFrame,pSaveFrame,CV_INTER_LINEAR);
cvSaveImage(filename,pSaveFrame,p);
cvReleaseImage(&pSaveFrame);
}
//cvDestroyWindow("video");
cvReleaseCapture(&pCapture);
return 0;
}