NX二次开发-基于OpenCV摄像头录制视频

NX9+VS2012+Opencv2.4.9

#include <opencv2/opencv.hpp>    
#include <iostream>

using namespace std;
using namespace cv;

int main(int argc, char** argv)
{
    VideoCapture capture(0);
    if (!capture.isOpened())
    {
        printf("could not load video data...
");
        return -1;
    }

    //获取帧的属性
    //double fps = capture.get(CV_CAP_PROP_FPS);
    Size size = Size(capture.get(CV_CAP_PROP_FRAME_WIDTH), capture.get(CV_CAP_PROP_FRAME_HEIGHT));
    //printf("FPS:%f",fps);
    VideoWriter writer("D:\123\AAA.avi", CV_FOURCC('D','I','V','X'),15.0,size,true);

    //创建窗口
    Mat frame;
    namedWindow("video-demo", CV_WINDOW_AUTOSIZE);

    //写入
    while (capture.read(frame))
    {
        imshow("video-demo", frame);
        writer.write(frame);
        char c = waitKey(100);
        if (c == 'q')
        {
            break;
        }
    }


    waitKey(0);
    return 0;
}

Caesar卢尚宇
2020年7月5日

原始GIG有50M大，帧数很多。但博客园只能上传10M以内，所以将GIF降低帧数压缩成9M了。不清晰了，但是还是能看出大概样子的。

参考资料

https://www.bilibili.com/video/BV16J411A7k6?p=108

https://blog.csdn.net/Young__Fan/article/details/80022860