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:Face_Reco.java

public static void main(String args[]) {

    System.loadLibrary(Core.NATIVE_LIBRARY_NAME);
    VideoCapture camera = new VideoCapture(0);

    if (!camera.isOpened()) {
        System.out.println("Error");
    } else {//from w  w  w . ja  v  a 2 s. co  m

        Mat frame = new Mat();
        while (true) {

            if (camera.read(frame)) {

                System.out.println("Frame Obtained");
                System.out.println("Captured Frame Width" + frame.width() + "Height" + frame.height());
                Imgcodecs.imwrite("Camera.jpg", frame);
                Imgcodecs.imread("camera.jpg");
                Imgcodecs.imread("camera.jpg", Imgcodecs.CV_LOAD_IMAGE_GRAYSCALE);
                System.out.println("Done!");
                break;
            }
        }

    }
    camera.release();

}

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From source file:RecorderInterace.java

private void jButtonStartActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_jButtonStartActionPerformed
    // TODO add your handling code here:
    webSource = new VideoCapture(0); //video capture from default cam
    myThread = new DaemonThread(); //create object from thread class
    Thread t = new Thread(myThread);
    t.setDaemon(true);//from   w ww  . j a v a  2s.c o m
    myThread.runnable = true;
    t.start(); //start thread

    jButtonStart.setEnabled(false); //deactivate start button
    jButtonStop.setEnabled(true); // activate stop button
}

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From source file:FaceView.java

private void jButton1ActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_jButton1ActionPerformed

    webSource = new VideoCapture(0);
    myThread = new MyThread();
    Thread t = new Thread(myThread);
    t.setDaemon(true);//  w  ww.  j  av  a  2  s  . c o m
    myThread.runnable = true;
    t.start();
    jButton1.setEnabled(false);
    jButton2.setEnabled(true);

}

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From source file:app.device.manager.Source.java

/**
 * /*from www.  j  a v  a 2 s  .c o  m*/
 */
public Source() {
    System.loadLibrary(Core.NATIVE_LIBRARY_NAME);
    this.device = new VideoCapture(0);
    this.frame = new Mat();
    this.buffer = new MatOfByte();
}

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From source file:app.device.manager.Source.java

/**
 * /*from   w w w .j  a  va  2s .com*/
 * @param filename 
 */
public Source(String filename) {
    System.loadLibrary(Core.NATIVE_LIBRARY_NAME);
    this.device = new VideoCapture(filename);
    this.frame = new Mat();
    this.buffer = new MatOfByte();
}

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From source file:attendance_system_adder.video.java

public synchronized void displayVideo(int index) {
    isdisplayClose = false;/* ww w  .j  a va  2s.  c om*/
    if (vc == null) {
        vc = new VideoCapture(index);
    }
    if (img == null) {
        img = new image();
    }
    if (mat == null) {
        mat = new Mat();
    }

    vdf.setVisible(true);

    while (true) {
        if (isdisplayClose) {
            img.closeDisplayFrame();
            vc.release();
            break;
        }
        vc.read(mat);
        grayMat = img.RGBtoGRAY(mat);
        Mat2BufferedImage = img.Mat2BufferedImage(grayMat);
        img.displayImage(Mat2BufferedImage);

    }
}

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From source file:attendance_system_adder.video.java

public void faceDetctDisplayVideo(int index) {
    isdisplayClose = false;// ww w  .ja  v a2s.  com
    if (vc == null) {
        vc = new VideoCapture(index);
    }
    if (img == null) {
        img = new image();
    }
    if (mat == null) {
        mat = new Mat();
    }

    vdf.setVisible(true);

    while (true) {
        if (isdisplayClose) {
            img.closeDisplayFrame();
            vc.release();
            break;
        }
        vc.read(mat);
        grayMat = img.RGBtoGRAY(mat);
        //            Mat2BufferedImage= img.Mat2BufferedImage(grayMat);
        img.faceDetctDisplayImage(grayMat);

        //            try {
        //                this.sleep(50);
        //            } catch (InterruptedException ex) {
        //                Logger.getLogger(video.class.getName()).log(Level.SEVERE, null, ex);
        //            }

    }
}

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From source file:bgslibrary.Main.java

License:Open Source License

private void start() {
    if (begin == false) {
        video = new VideoCapture(0);

        if (video.isOpened()) {
            if (selectedAlgorithm != null)
                BgsLib.constructObject(selectedAlgorithm);

            thread = new CaptureThread();
            thread.start();/*from  w w  w. j  a  v a  2 s  .c om*/
            begin = true;
        }
    }
}

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From source file:bikecalibration.fxml.controller.MainWindowController.java

@FXML
void fileOpenActionHandler(ActionEvent event) {
    // first we create an filechoser dialog
    FileChooser fc = new FileChooser();
    fc.setTitle("Open Video File");
    fc.getExtensionFilters().addAll(new FileChooser.ExtensionFilter("AVI file", "*.avi"),
            new FileChooser.ExtensionFilter("MP4 file", "*.mp4"));
    File videoFile = fc.showOpenDialog(borderPane.getScene().getWindow());
    if (videoFile == null) {
        return;//  ww  w  .ja v  a2  s .c o  m
    }
    String videoFileName = videoFile.getAbsolutePath();
    cap = new VideoCapture(videoFileName);
    double totalFrames = cap.get(Videoio.CAP_PROP_FRAME_COUNT);
    //GraphicsContext gc = imageViewCanvas.getGraphicsContext2D();
    videoSlider.setMax(totalFrames);
    videoSlider.setBlockIncrement(1 / cap.get(Videoio.CAP_PROP_FPS));
    currentFrameNumberField.setText("0");
    LOGGER.log(Level.INFO, "{0} loaded.", videoFileName);

    videoInfo = null;
    videoInfo = new VideoInfo(videoFileName);

    // print the video file properties
    propertiesData.clear();
    propertiesData.add(new Properties("Filename", videoInfo.FileName.get()));
    propertiesData.add(new Properties("Size", String.format("%d", videoInfo.FileSize.get())));
    propertiesData.add(new Properties("Width", String.format("%d", videoInfo.Width.get())));
    propertiesData.add(new Properties("Height", String.format("%d", videoInfo.Height.get())));
    propertiesData.add(new Properties("FPS", String.format("%f", videoInfo.FPS.get())));
    propertiesData.add(new Properties("Duration", Utils.secondsToString(videoInfo.Duration.get())));
    propertiesData
            .add(new Properties("Total frames", String.format("%d", videoInfo.TotalNumberOfFrames.get())));

    // crate a nodes array
    nodes = new Node[videoInfo.TotalNumberOfFrames.get()][];

    // at the end we draw the starting frame
    Image img = Utils.matToImage(OpenCvUtils.getImageFromVideo(0, cap));
    drawImage(img);
}

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From source file:bikecalibration.VideoInfo.java

public VideoInfo(String fileName) {
    FileName = new SimpleStringProperty();
    Width = new SimpleIntegerProperty();
    Height = new SimpleIntegerProperty();
    FPS = new SimpleDoubleProperty();
    TotalNumberOfFrames = new SimpleIntegerProperty();
    Duration = new SimpleDoubleProperty();
    FileSize = new SimpleLongProperty();

    File f = new File(fileName);
    VideoCapture cap = new VideoCapture(fileName);
    FileName.set(fileName);//from   w  ww.  j  a va 2 s .  co  m
    Width.set((int) cap.get(Videoio.CAP_PROP_FRAME_WIDTH));
    Height.set((int) cap.get(Videoio.CAP_PROP_FRAME_HEIGHT));
    FPS.set(cap.get(Videoio.CAP_PROP_FPS));
    TotalNumberOfFrames.set((int) cap.get(Videoio.CAP_PROP_FRAME_COUNT));
    Duration.set(1 / cap.get(Videoio.CAP_PROP_FPS) * cap.get(Videoio.CAP_PROP_FRAME_COUNT));
    FileSize.set(f.length());
    cap.release();
}

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