public static void main(String[] args) {
    System.loadLibrary(Core.NATIVE_LIBRARY_NAME);
    String filePath = "C:\Users\P6090053.avi";
    String output = "C:\Users\Test";

    if (!Paths.get(filePath).toFile().exists()) {
        System.out.println("File " + filePath + " does not exist!");
        return;
    }

    VideoCapture video = new VideoCapture(filePath);

    video.open(filePath);

    int video_length = (int) video.get(Videoio.CAP_PROP_FRAME_COUNT);
    int frame_number = 0;

    Mat frame = new Mat();
    if (video.read(frame))
    {

        for (int i = 0; i < video_length; i++) {
            System.out.println("Frame Obtained");
            System.out.println("Captured Frame Width " + frame.width() + " Height " + frame.height());
            Imgcodecs.imwrite(output + "/" + frame_number + ".jpg", frame);
            System.out.println("OK");
            frame_number++;
        }
    }

//  matToBufferedImage(frame);
    video.release();
}