opencv VideoCapture读取视频失败
VideoCapture capture;
capture.open("D:\\1.avi");
if (!capture.isOpened())
{
std::cout << "read video failure" << std::endl;
return ;
运行时出现warning: Error opening file (../../modules/highgui/src/cap_ffmpeg_impl.hpp:5是什么情况?怎么解决?