Java Code Examples for org.bytedeco.javacv.CanvasFrame#dispose()

The following examples show how to use org.bytedeco.javacv.CanvasFrame#dispose() . You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example 1
Source File: LivePlayTest2.java    From oim-fx with MIT License 4 votes vote down vote up 
/**
 * 转流器
 * 
 * @param inputFile
 * @param outputFile
 * @throws Exception
 * @throws org.bytedeco.javacv.FrameRecorder.Exception
 * @throws InterruptedException
 */
public static void recordPush(String inputFile, int v_rs) throws Exception, org.bytedeco.javacv.FrameRecorder.Exception, InterruptedException {
	Loader.load(opencv_objdetect.class);
	long startTime = 0;
	FrameGrabber grabber = FFmpegFrameGrabber.createDefault(inputFile);
	try {
		grabber.start();
	} catch (Exception e) {
		try {
			grabber.restart();
		} catch (Exception e1) {
			throw e;
		}
	}

	OpenCVFrameConverter.ToIplImage converter = new OpenCVFrameConverter.ToIplImage();
	Frame grabframe = grabber.grab();
	IplImage grabbedImage = null;
	if (grabframe != null) {
		System.out.println("取到第一帧");
		grabbedImage = converter.convert(grabframe);
	} else {
		System.out.println("没有取到第一帧");
	}

	System.out.println("开始推流");
	CanvasFrame frame = new CanvasFrame("camera", CanvasFrame.getDefaultGamma() / grabber.getGamma());
	frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
	frame.setAlwaysOnTop(true);
	while (frame.isVisible() && (grabframe = grabber.grab()) != null) {
		System.out.println("推流...");
		frame.showImage(grabframe);
		grabbedImage = converter.convert(grabframe);
		Frame rotatedFrame = converter.convert(grabbedImage);

		if (startTime == 0) {
			startTime = System.currentTimeMillis();
		}

		Thread.sleep(40);
	}
	frame.dispose();

	grabber.stop();
	System.exit(2);
}
Example 2
Source File: ObjectFinder.java    From PapARt with GNU Lesser General Public License v3.0 4 votes vote down vote up 
public static void main(String[] args) throws Exception {
//        Logger.getLogger("org.bytedeco.javacv").setLevel(Level.OFF);

//        String objectFilename = args.length == 2 ? args[0] : "/home/jiii/sketchbook/libraries/PapARt/data/markers/dlink.png";
        String objectFilename = args.length == 2 ? args[0] : "/home/jiii/repos/Papart-github/papart-examples/Camera/ExtractPlanarObjectForTracking/ExtractedView.bmp";
        String sceneFilename = args.length == 2 ? args[1] : "/home/jiii/my_photo-7.jpg";

        IplImage object = cvLoadImage(objectFilename, CV_LOAD_IMAGE_GRAYSCALE);
        IplImage image = cvLoadImage(sceneFilename, CV_LOAD_IMAGE_GRAYSCALE);
        if (object == null || image == null) {
            System.err.println("Can not load " + objectFilename + " and/or " + sceneFilename);
            System.exit(-1);
        }

        IplImage objectColor = IplImage.create(object.width(), object.height(), 8, 3);
        cvCvtColor(object, objectColor, CV_GRAY2BGR);

        IplImage correspond = IplImage.create(image.width(), object.height() + image.height(), 8, 1);
        cvSetImageROI(correspond, cvRect(0, 0, object.width(), object.height()));
        cvCopy(object, correspond);
        cvSetImageROI(correspond, cvRect(0, object.height(), correspond.width(), correspond.height()));
        cvCopy(image, correspond);
        cvResetImageROI(correspond);

        ObjectFinder.Settings settings = new ObjectFinder.Settings();
        settings.objectImage = object;
        settings.useFLANN = true;
        settings.ransacReprojThreshold = 5;
        ObjectFinder finder = new ObjectFinder(settings);

        long start = System.currentTimeMillis();
        double[] dst_corners = finder.find(image);
//        System.out.println("Finding time = " + (System.currentTimeMillis() - start) + " ms");

        if (dst_corners != null) {
            for (int i = 0; i < 4; i++) {
                int j = (i + 1) % 4;
                int x1 = (int) Math.round(dst_corners[2 * i]);
                int y1 = (int) Math.round(dst_corners[2 * i + 1]);
                int x2 = (int) Math.round(dst_corners[2 * j]);
                int y2 = (int) Math.round(dst_corners[2 * j + 1]);
                line(cvarrToMat(correspond), new Point(x1, y1 + object.height()),
                        new Point(x2, y2 + object.height()),
                        Scalar.WHITE, 1, 8, 0);
            }
        }

        for (int i = 0; i < finder.ptpairs.size(); i += 2) {
            Point2f pt1 = finder.objectKeypoints.get(finder.ptpairs.get(i)).pt();
            Point2f pt2 = finder.imageKeypoints.get(finder.ptpairs.get(i + 1)).pt();
            line(cvarrToMat(correspond), new Point(Math.round(pt1.x()), Math.round(pt1.y())),
                    new Point(Math.round(pt2.x()), Math.round(pt2.y() + object.height())),
                    Scalar.WHITE, 1, 8, 0);
        }

        CanvasFrame objectFrame = new CanvasFrame("Object");
        CanvasFrame correspondFrame = new CanvasFrame("Object Correspond");
        OpenCVFrameConverter converter = new OpenCVFrameConverter.ToIplImage();

        correspondFrame.showImage(converter.convert(correspond));
        for (int i = 0; i < finder.objectKeypoints.size(); i++) {
            KeyPoint r = finder.objectKeypoints.get(i);
            Point center = new Point(Math.round(r.pt().x()), Math.round(r.pt().y()));
            int radius = Math.round(r.size() / 2);
            circle(cvarrToMat(objectColor), center, radius, Scalar.RED, 1, 8, 0);
        }
        objectFrame.showImage(converter.convert(objectColor));

        objectFrame.waitKey();

        objectFrame.dispose();
        correspondFrame.dispose();
    }