#include<opencv2/opencv.hpp>

 using namespace cv;

 void main()

 {

     //批量读取图片（有序）

     char filename[];

     char winName[];

     Mat srcImg;

     for (int i = ; i < ; i++)

     {

         sprintf(filename,"%d.bmp",i);

         sprintf(winName,"NO--%d",i);

         srcImg=imread(filename);

         if (srcImg.empty())

             break;

         imshow(winName,srcImg);

     }

     waitKey();

     destroyAllWindows();

 }

 #include<opencv2/opencv.hpp>

 using namespace cv;

 void main()

 {

     Mat frame;

     char outfile[];

     VideoCapture cap("E:\\2.avi");

     if (!cap.isOpened())//打开失败

         return;

     int totalFrame=cap.get(CV_CAP_PROP_FRAME_COUNT);//获取视频总帧数

     for (int i = ; i <=totalFrame; i++)

     {

         cap>>frame;

         if (frame.empty())

             break;

         sprintf(outfile,"E:\\pic\\%d.bmp",i);

         imwrite(outfile,frame);

         imshow("video",frame);

         waitKey();

     }

     cap.release();

     destroyAllWindows();

 }

 #include<opencv2/opencv.hpp>

 #include<iostream>

 using namespace cv;

 using namespace std;

 void main()

 {

     VideoWriter writer("E:\\out.avi",CV_FOURCC('X','V','I','D'),,Size(,),true);//Size要和图片尺寸保持一致

     char filename[];

     Mat frame;

     for (int i = ; i < ; i++)

     {

         sprintf(filename,"E:\\pic\\%d.bmp",i);

         frame=imread(filename);

         if(frame.empty())   break;

         writer<<frame;

     }

     cout<<"write end!"<<endl;

     destroyAllWindows();

 }