Opencv编解码器选择对话框未显示

Question

I have following code

CvVideoWriter* VideoWriter = cvCreateVideoWriter("D:\\Save\\filenme.mpeg",-1 , 10, cvSize(nWidth,nHeight), 1);

I have tested this code in Windows but OpenCV Codec Selection Dialog not showing.

Answer 1

change *.mpeg to *.avi Like this

CvVideoWriter* VideoWriter = cvCreateVideoWriter("D:\\Save\\filenme.avi",-1 , 10, cvSize(nWidth,nHeight), 1);

Here is the link