opencv 用摄像头提取图片后图片命名问题

上午在调试程序：如何将摄像头采集到的视频隔一段时间自动扑获，并自动保存为图像，在网上看到一段程序，自己看了看，没能把那个捕获时间调出来（这个程序以后捕获摄像头的时间间隔太短，摄像机都没来得及完全启动，就又进行另一幅图片的捕获），特贴出来请高手指点！

#include "opencv2/objdetect/objdetect.hpp"
#include "opencv2/highgui/highgui.hpp"
#include "opencv2/imgproc/imgproc.hpp"

#include 
#include 
#include

using namespace std;
using namespace cv;


//#include
//#include
//#include"cv.h"
//#include"highgui.h"
//#include
int main()
  {
    while(1)
    {
      time_t now;
      struct tm  *timenow;
      time(&now);
	  char outFileName[]="2011-01-01 24H00M00S.jpg";//修改

	timenow = localtime(&now);
	printf("saving...\n");

	*(outFileName+5)=timenow->tm_mon/10+'0';
	*(outFileName+6)=timenow->tm_mon%10+'0';
	*(outFileName+8)=timenow->tm_mday/10+'0';
	*(outFileName+9)=timenow->tm_mday%10+'0';
	*(outFileName+11)=timenow->tm_hour/10+'0';
	*(outFileName+12)=timenow->tm_hour%10+'0';
	*(outFileName+14)=timenow->tm_min/10+'0';
	*(outFileName+15)=timenow->tm_min%10+'0';
	*(outFileName+17)=(timenow->tm_sec)/10+'0';
	*(outFileName+18)=(timenow->tm_sec)%10+'0';

     CvCapture  *capture =cvCaptureFromCAM(1);

     IplImage *img=0;
     img = cvQueryFrame(capture);
     if (!img)
     {
       printf("Could not grab a frame\n\7");
       exit(0);
     }
    if(!cvSaveImage(outFileName,img)) 
		printf("Could not save: %s\n",outFileName);
    /*char c = cvWaitKey(1000000);
       if(c == 10000)
       {
        break;
	   }  */
	   cvReleaseCapture(&capture);
    }
  return 0;
  }