org.opencv.highgui.VideoCapture Java Examples

public SarxosCaptureCamera(final String cameraName) {
	final List<Webcam> webcams = Webcam.getWebcams();
	int cameraIndex = -1;

	for (int i = 0; i < webcams.size(); i++) {
		if (webcams.get(i).getName().equals(cameraName)) {
			cameraIndex = i;
			break;
		}
	}

	if (cameraIndex < 0) throw new IllegalArgumentException("Camera not found: " + cameraName);

	camera = new VideoCapture();
	this.cameraIndex = cameraIndex;

}
 

public static void loop (CascadeClassifier classifier, Mat mat, ImgWindow window, VideoCapture video) {
	video.read(mat);
	System.out.println(mat);
	if (!mat.empty()) {
		MatOfRect rects = new MatOfRect();
		long start = System.nanoTime();
		classifier.detectMultiScale(mat, rects);
		System.out.println((System.nanoTime()-start)/1000000000.0);
		window.setImage(mat);
		Graphics2D g = window.begin();
		g.setColor(Color.RED);
		for(Rect r: rects.toArray()) {
			g.drawRect(r.x, r.y, r.width, r.height);
		}
		window.end();
	}
}
 

public static void main (String[] args) {
	CVLoader.load();
	VideoCapture video = new VideoCapture(0);

	CascadeClassifier classifier = new CascadeClassifier("data/haarcascade_frontalface_alt.xml");
	ImgWindow window = ImgWindow.newWindow();
	if (video.isOpened()) {
	 	Mat mat = new Mat();
		while (!window.closed) {
			loop(classifier, mat, window, video);
		}
	}
	video.release();
}
 

public static void main(String[] args) {
	
	System.out.println(System.getProperty("java.class.path"));
 System.out.println(System.getProperty("java.library.path"));
 
 
	System.loadLibrary(Core.NATIVE_LIBRARY_NAME);
	VideoCapture camera = new VideoCapture("data/bike.avi");
	MatOfByte frame = new MatOfByte();
	int i = 0;
	
 
	while(true){
        if (camera.read(frame)){
            System.out.println("Frame Obtained");
            System.out.println("Captured Frame Width " +
            frame.width() + " Height " + frame.height());
            System.out.println(frame.dump());
            Highgui.imwrite("tmp\\image\\camera"+(i++)+".jpg", frame);
            //Highgui.imencode(ext, img, buf)
        }else{
        	break;
        }
    }
	camera.release();
	
}
 

public static void main (String[] args) {
	CVLoader.load();

	VideoCapture video = new VideoCapture(0);
	ImgWindow wnd = ImgWindow.newWindow();

	Mat img = new Mat();
	while (video.isOpened()) {
		video.read(img);
		loop(img, wnd);
	}
}
 

public static void loop (Mat mat, ImgWindow window, VideoCapture video) {
	video.read(mat);
	if (!mat.empty()) {
		boolean result = detector.detect(mat);
		if(result) System.out.println("motion detected, " + System.nanoTime());
		window.setImage(detector.getMask());
	}
}
 

public static void main (String[] args) {
	CVLoader.load();
	
	VideoCapture video = new VideoCapture(0);

	ImgWindow window = ImgWindow.newWindow();
	if (video.isOpened()) {
		Mat mat = new Mat();
		while (!window.closed) {
			loop(mat, window, video);
		}
	}
	video.release();
}
 

public static void main (String[] args) {
	CVLoader.load();
	
	VideoCapture video = new VideoCapture(0);

	ImgWindow window = ImgWindow.newWindow();
	if (video.isOpened()) {
		Mat mat = new Mat();
		while (!window.closed) {
			loop(mat, window, video);
		}
	}
	video.release();
}
 

public NativeCameraFrame(VideoCapture capture) {
    mCapture = capture;
    mGray = new Mat();
    mRgba = new Mat();
}
 

public NativeCameraFrame(VideoCapture capture) {
    mCapture = capture;
    mGray = new Mat();
    mRgba = new Mat();
}
 

public static void main(String[] args) {
	System.loadLibrary(Core.NATIVE_LIBRARY_NAME);
	/*
	 * Declare a New Frame Here -------------------------
	 */
	Imshow im = new Imshow("Video Preview");
	// This create a Window with Title Video Preview and is autoSized to the image it contains
	// or
	// new Imshow("Title",int Height,int Width); to set custom height and width 
	
	  
	 
	/* You can even Customise the ImShow Frame or Window 
	 * The image is loaded onto a JFrame which is a public member 
	 * so that anyone could customise it
	 * Imshow.Window is the JFrame that one could customise
	 * For example : 
	 * By default the Window is not Resizable so to make it resizable:
	 */
		im.Window.setResizable(true);
	// -------------------------
	Mat m = new Mat();
	VideoCapture vcam = new VideoCapture(0);
	
	// loop until VideoCamera is Available
	while (vcam.isOpened() == false)
		;

	// Bug Fix: Loop until initial image frames are empty
	while (m.empty()) {
		vcam.retrieve(m);
		
	}

	while (true) {
		
		vcam.retrieve(m);
		/***
		 * Show the image
		 */
		//System.out.println(m.dump());
		im.showImage(m);
		/************/
	}
}
 

public static void loop (Mat mat, ImgWindow window, VideoCapture video) {
	video.read(mat);
	if (!mat.empty()) {
		window.setImage(mat);
	}
}
 

public OpenCVCamera() {
	CVLoader.load();
	capture = new VideoCapture(0);
	while(!capture.isOpened());
}
 

public NativeCameraFrame(VideoCapture capture) {
    mCapture = capture;
    mGray = new Mat();
    mRgba = new Mat();
}
 

public NativeCameraFrame(VideoCapture capture) {
    mCapture = capture;
    mGray = new Mat();
    mRgba = new Mat();
}
 

public NativeCameraFrame(VideoCapture capture) {
    mCapture = capture;
    mGray = new Mat();
    mRgba = new Mat();
}
 

public NativeCameraFrame(VideoCapture capture) {
    mCapture = capture;
    mGray = new Mat();
    mRgba = new Mat();
}
 

public SarxosCaptureCamera(final String cameraName, int cameraIndex) {
	if (cameraIndex < 0) throw new IllegalArgumentException("Camera not found: " + cameraName);

	camera = new VideoCapture();
	this.cameraIndex = cameraIndex;

}