OPENCV將一張影象和視訊合併
實現了將兩幅影象合併後,突然想試試將一張靜態影象和視訊合併。
過程遇到了點問題,紅色字型處,需要將影象儲存了再顯示才正常,這樣效率很低呀。
cvCopy(frame, des);這樣寫是不行的,我想可能是格式出問題了。
明天在試試!!
原始碼:
#include <stdio.h>
#include <cv.h>
#include <highgui.h>
int main(int argc, char* argv[])
{
IplImage* src1 ;
IplImage* src2 ;
IplImage* des ;
src1 = cvLoadImage("111.jpg",0);
CvCapture* capture;
IplImage* frame;
int sum=0;
capture=cvCaptureFromCAM(-1);
if(!capture)
{
printf("cannot open!");
return -1;
}
cvNamedWindow("影象合併",1);
cvNamedWindow("攝像頭",1);
while(1)
{
frame=cvQueryFrame(capture);
if(!frame) break;
char* dst="1.jpg";
cvShowImage("攝像頭",frame);
if(sum==1)
{ cvSaveImage(dst,frame);
src2 = cvLoadImage("dst",0);
des = cvCreateImage(cvSize(2*src2->width,src2->height),src2->depth, src2->nChannels);
cvSaveImage(dst,frame);
src2 = cvLoadImage(dst,0);
cvSetImageROI(des, cvRect(0, 0, 320, 240));
cvCopy(src1, des);
cvResetImageROI(des);
cvSetImageROI(des, cvRect(320, 0, 320, 240));
cvCopy(src2, des);
cvResetImageROI(des);
cvShowImage("影象合併", des);
if (cvWaitKey(50)==27) break;
}
cvReleaseImage(&src1);
cvReleaseImage(&src2);
cvReleaseImage(&des);
cvReleaseCapture(&capture);
cvDestroyWindow("攝像頭");
cvDestroyWindow("影象合併");
return 0;
}