Example usage for org.opencv.videoio VideoCapture VideoCapture

Introduction

In this page you can find the example usage for org.opencv.videoio VideoCapture VideoCapture.

Prototype

public VideoCapture(int index) 

Source Link

Usage

From source file:bitirme.arayuz.KullaniciOlustur.java

private void baslatBtnActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_baslatBtnActionPerformed

    kamera = new VideoCapture(0);
    //sistemdeki kameralar 0,1,2

    th = new CanliThread();
    Thread t = new Thread(th);
    t.setDaemon(true);//from w  w w.  java2  s . co m
    //threadi altr
    th.calismaDurumu = true;

    t.start();
    //     baslatBtn.setEnabled(false);  //start button
    //     duraklatBtn.setEnabled(true);  // stop button
}

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From source file:camviewer.VideoThread.java

public VideoThread(String url, JPanel p) {
    webSource = new VideoCapture(url);
    panel = p;
}

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From source file:com.armeniopinto.stress.control.vision.VisionConfig.java

@Bean(name = "visionDevice", destroyMethod = "release")
public VideoCapture videoCapture() throws VisionException {
    System.loadLibrary(Core.NATIVE_LIBRARY_NAME);
    LOGGER.debug("OpenCV native library loaded.");

    final VideoCapture device = new VideoCapture(deviceId) {
        @Override/*from   w  w w.  ja  v  a 2s  . c om*/
        public void release() {
            super.release();
            LOGGER.debug("Vision device stopped.");
        }
    };
    device.set(CAP_PROP_FRAME_WIDTH, width);
    device.set(CAP_PROP_FRAME_HEIGHT, height);
    try {
        TimeUnit.MICROSECONDS.sleep(2000L);
    } catch (final InterruptedException ie) {
        LOGGER.warn("Failed to sleep!", ie);
    }
    if (!device.isOpened()) {
        throw new VisionException("Unable to open the camera.");
    }

    final int actualWidth = (int) device.get(CAP_PROP_FRAME_WIDTH);
    final int actualHeight = (int) device.get(CAP_PROP_FRAME_HEIGHT);
    if (actualWidth != width) {
        LOGGER.warn(String.format("Requested frame width %d but got %d instead.", width, actualWidth));
    }
    if (actualHeight != height) {
        LOGGER.warn(String.format("Requested frame height %d but got %d instead.", height, actualHeight));
    }

    LOGGER.debug(String.format("Vision device %d started at %dx%d.", deviceId, actualWidth, actualHeight));

    return device;
}

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From source file:com.arvin.facedetect.FaceDetect.java

private void start() {

    cap = new VideoCapture(0);
    thread = new thread();
    Thread t = new Thread(thread);
    t.setDaemon(true);//from   w w w.ja v  a 2 s.  co  m
    t.start();

}

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From source file:com.example.afs.makingmusic.process.CameraReader.java

License:Open Source License

public CameraReader(long intervalMillis) {
    super(intervalMillis);
    this.camera = new VideoCapture(0);
}

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From source file:com.example.afs.makingmusic.process.CameraReader.java

License:Open Source License

@Override
public Frame process() throws InterruptedException {
    Mat image = new Mat();
    while (!camera.read(image)) {
        System.err.println("Cannot read image. Is the camera plugged in?");
        sleep(100);//from w  ww .  j  a  v a 2  s.  com
        camera.release();
        camera = new VideoCapture(0);
    }
    Injector.getMetrics().setFrames(++frameCount);
    return new Frame(image);
}

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From source file:com.jeremydyer.nifi.GetCameraFrame.java

License:Apache License

@Override
protected void init(final ProcessorInitializationContext context) {
    final List<PropertyDescriptor> descriptors = new ArrayList<PropertyDescriptor>();
    //descriptors.add(CAMERA);
    descriptors.add(FRAME_WIDTH);/*from   www. j ava 2 s  .c om*/
    descriptors.add(FRAME_HEIGHT);

    this.descriptors = Collections.unmodifiableList(descriptors);

    final Set<Relationship> relationships = new HashSet<Relationship>();
    relationships.add(REL_SUCCESS);
    this.relationships = Collections.unmodifiableSet(relationships);

    System.loadLibrary(Core.NATIVE_LIBRARY_NAME);
    camera = new VideoCapture(CAMERA_ID);
    try {
        Thread.sleep(2000); //Give the Camera a few seconds to initialize
    } catch (InterruptedException e) {
        e.printStackTrace();
    }
    camera.open(CAMERA_ID);

    if (!camera.isOpened()) {
        getLogger().error("Camera Error");
    } else {
        getLogger().error("Camera OK?");
    }

}

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From source file:com.randhirkumar.webcam.MainFrameForm.java

public void displayScreen() {

    Mat webcamImage = new Mat();
    VideoCapture videoCapture = new VideoCapture(0);

    if (videoCapture.isOpened()) {

        while (true) {

            videoCapture.read(webcamImage);

            if (!webcamImage.empty()) {
                setSize(webcamImage.width() + 50, webcamImage.height() + 70);
                webcamImage = processor.detect(webcamImage);
                cameraPanel.convertMatToImage(webcamImage);
                cameraPanel.repaint();//from  w  w w  .  ja  va  2 s. c o m
            } else {
                System.out.println("Problem");
                break;
            }
        }
    }
}

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From source file:ConfOpenCV_Java.ConfOpenCV_Java.java

/**
 * @param args the command line arguments
 *//*from www  . j a  v  a 2 s  .  com*/
public static void main(String[] args) {

    System.loadLibrary(Core.NATIVE_LIBRARY_NAME);
    System.out.println("Welcome to OpenCV " + Core.VERSION);
    String outputFile = "mivideo.avi";
    VideoCapture vc = new VideoCapture(0);
    System.out.println("fps= " + Videoio.CAP_PROP_FPS);

    //vc.set(5, 50);
    //System.out.println(vc.set(3, 1280));
    //vc.set(4, 720);
    double fps = 30;
    System.out.println(fps);

    Size frameSize = new Size((int) vc.get(Videoio.CV_CAP_PROP_FRAME_WIDTH),
            (int) vc.get(Videoio.CV_CAP_PROP_FRAME_HEIGHT));
    System.out.println(frameSize);

    VideoWriter vw = new VideoWriter(outputFile, VideoWriter.fourcc('X', '2', '6', '4'), fps, frameSize, true);
    //System.out.println(VideoWriter.fourcc('X', '2', '6', '4'));
    //System.out.println(vw.isOpened());
    Mat frame = new Mat();

    //para cargar fotos
    //Imgcodecs.imread(outputFile)
    //Imgcodecs.imwrite(outputFile, m);
    int numFramesRemaining = 5 * (int) fps;

    NewJFrame ventana = new NewJFrame();
    ventana.setVisible(true);
    g = ventana.getjPanel1().getGraphics();
    ventana.pack();
    ventana.setVisible(true);

    while (vc.read(frame) && numFramesRemaining > 0) {
        vw.write(frame);
        mostrarImagen(frame);
        numFramesRemaining--;
    }

    vw.release();
    vc.release();
    ventana.dispose();

}

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From source file:edu.wpi.first.wpilibj.vision.GripRunner.java

License:Open Source License

/**
 * Make a connection to a camera.//from www.  j ava  2s.  co  m
 * 
 * @param device  Camera number.
 * @param width  Window width in pixels.
 * @param height Window height in pixels.
 * @param exposure Relative exposure.
 * @return
 */
public static VideoCapture makeCamera(int device, int width, int height, double exposure) {
    VideoCapture camera = new VideoCapture(0);
    camera.set(Videoio.CAP_PROP_FRAME_WIDTH, width);
    camera.set(Videoio.CAP_PROP_FRAME_HEIGHT, height);
    if (exposure > -1.0) {
        System.out.println("\t" + exposure);
        camera.set(Videoio.CAP_PROP_AUTO_EXPOSURE, 0);
        camera.set(Videoio.CAP_PROP_EXPOSURE, exposure);
    }
    if (!camera.isOpened()) {
        throw new RuntimeException("Camera will not open");
    }
    return camera;
}

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