Examples with Java2DFrameConverter org.bytedeco.javacv.Java2DFrameConverter used on opensource projects

Example 1 with Java2DFrameConverter

use of org.bytedeco.javacv.Java2DFrameConverter in project instagram4j by brunocvcunha.

the class InstagramUploadVideoRequest method configureThumbnail.

/**
 * Configures the thumbnails for the given uploadId
 * @param uploadId The session id
 * @return Result
 * @throws Exception
 * @throws IOException
 * @throws ClientProtocolException
 */
protected StatusResult configureThumbnail(String uploadId) throws Exception, IOException, ClientProtocolException {
    try (FFmpegFrameGrabber frameGrabber = new FFmpegFrameGrabber(videoFile)) {
        frameGrabber.start();
        Java2DFrameConverter converter = new Java2DFrameConverter();
        int width = frameGrabber.getImageWidth();
        int height = frameGrabber.getImageHeight();
        long length = frameGrabber.getLengthInTime();
        BufferedImage bufferedImage;
        if (thumbnailFile == null) {
            bufferedImage = MyImageUtils.deepCopy(converter.convert(frameGrabber.grabImage()));
            thumbnailFile = File.createTempFile("insta", ".jpg");
            log.info("Generated thumbnail: " + thumbnailFile.getAbsolutePath());
            ImageIO.write(bufferedImage, "JPG", thumbnailFile);
        } else {
            bufferedImage = ImageIO.read(thumbnailFile);
        }
        holdOn();
        StatusResult thumbnailResult = api.sendRequest(new InstagramUploadPhotoRequest(thumbnailFile, caption, uploadId));
        log.info("Thumbnail result: " + thumbnailResult);
        StatusResult configureResult = api.sendRequest(InstagramConfigureVideoRequest.builder().uploadId(uploadId).caption(caption).duration(length).width(width).height(height).build());
        log.info("Video configure result: " + configureResult);
        return configureResult;
    }
}

Example 2 with Java2DFrameConverter

use of org.bytedeco.javacv.Java2DFrameConverter in project javacv by bytedeco.

the class ColoredObjectTrack method Equalize.

public IplImage Equalize(BufferedImage bufferedimg) {
    Java2DFrameConverter converter1 = new Java2DFrameConverter();
    OpenCVFrameConverter.ToIplImage converter2 = new OpenCVFrameConverter.ToIplImage();
    IplImage iploriginal = converter2.convert(converter1.convert(bufferedimg));
    IplImage srcimg = IplImage.create(iploriginal.width(), iploriginal.height(), IPL_DEPTH_8U, 1);
    IplImage destimg = IplImage.create(iploriginal.width(), iploriginal.height(), IPL_DEPTH_8U, 1);
    cvCvtColor(iploriginal, srcimg, CV_BGR2GRAY);
    cvEqualizeHist(srcimg, destimg);
    return destimg;
}

Example 3 with Java2DFrameConverter

use of org.bytedeco.javacv.Java2DFrameConverter in project javacv by bytedeco.

the class JavaFxPlayVideoAndAudio method start.

@Override
public void start(Stage primaryStage) throws Exception {
    StackPane root = new StackPane();
    ImageView imageView = new ImageView();
    root.getChildren().add(imageView);
    imageView.fitWidthProperty().bind(primaryStage.widthProperty());
    imageView.fitHeightProperty().bind(primaryStage.heightProperty());
    Scene scene = new Scene(root, 640, 480);
    primaryStage.setTitle("Video + audio");
    primaryStage.setScene(scene);
    primaryStage.show();
    playThread = new Thread(() -> {
        try {
            String videoFilename = getParameters().getRaw().get(0);
            FFmpegFrameGrabber grabber = new FFmpegFrameGrabber(videoFilename);
            grabber.start();
            primaryStage.setWidth(grabber.getImageWidth());
            primaryStage.setHeight(grabber.getImageHeight());
            AudioFormat audioFormat = new AudioFormat(grabber.getSampleRate(), 16, grabber.getAudioChannels(), true, true);
            DataLine.Info info = new DataLine.Info(SourceDataLine.class, audioFormat);
            SourceDataLine soundLine = (SourceDataLine) AudioSystem.getLine(info);
            soundLine.open(audioFormat);
            soundLine.start();
            Java2DFrameConverter converter = new Java2DFrameConverter();
            ExecutorService executor = Executors.newSingleThreadExecutor();
            while (!Thread.interrupted()) {
                Frame frame = grabber.grab();
                if (frame == null) {
                    break;
                }
                if (frame.image != null) {
                    Image image = SwingFXUtils.toFXImage(converter.convert(frame), null);
                    Platform.runLater(() -> {
                        imageView.setImage(image);
                    });
                } else if (frame.samples != null) {
                    ShortBuffer channelSamplesShortBuffer = (ShortBuffer) frame.samples[0];
                    channelSamplesShortBuffer.rewind();
                    ByteBuffer outBuffer = ByteBuffer.allocate(channelSamplesShortBuffer.capacity() * 2);
                    for (int i = 0; i < channelSamplesShortBuffer.capacity(); i++) {
                        short val = channelSamplesShortBuffer.get(i);
                        outBuffer.putShort(val);
                    }
                    /**
                     * We need this because soundLine.write ignores
                     * interruptions during writing.
                     */
                    try {
                        executor.submit(() -> {
                            soundLine.write(outBuffer.array(), 0, outBuffer.capacity());
                            outBuffer.clear();
                        }).get();
                    } catch (InterruptedException interruptedException) {
                        Thread.currentThread().interrupt();
                    }
                }
            }
            executor.shutdownNow();
            executor.awaitTermination(10, TimeUnit.SECONDS);
            soundLine.stop();
            grabber.stop();
            grabber.release();
            Platform.exit();
        } catch (Exception exception) {
            LOG.log(Level.SEVERE, null, exception);
            System.exit(1);
        }
    });
    playThread.start();
}

Example 4 with Java2DFrameConverter

use of org.bytedeco.javacv.Java2DFrameConverter in project javacv by bytedeco.

the class OpenCVFeatures2dSerialization method main.

public static void main(String[] args) throws IOException {
    String imageFile = (args.length > 0) ? args[0] : "Blob3.jpg";
    BufferedImage bufferedImage = ImageIO.read(new File(imageFile));
    try (Mat matrix = new OpenCVFrameConverter.ToMat().convert(new Java2DFrameConverter().convert(bufferedImage))) {
        String fileName = "serialized.xml";
        serializeFile(matrix, fileName);
        deserializeFile(fileName);
        String serialized = serializeMemory(matrix);
        System.out.println(serialized);
        deserializeMemory(serialized);
    }
}

Example 5 with Java2DFrameConverter

use of org.bytedeco.javacv.Java2DFrameConverter in project javacv by bytedeco.

the class PrincipalComponentAnalysis method execute.

private void execute(String[] args) throws Exception {
    // If no params provided, compute the default image
    BufferedImage bufferedImage = args.length >= 1 ? ImageIO.read(new File(args[0])) : ImageIO.read(this.getClass().getResourceAsStream("shapes2.jpg"));
    System.out.println("Image type: " + bufferedImage.getType());
    // Convert BufferedImage to Mat and create AutoCloseable objects
    try (Mat matrix = new OpenCVFrameConverter.ToMat().convert(new Java2DFrameConverter().convert(bufferedImage));
        Mat mask = new Mat();
        Mat gray = new Mat();
        Mat denoised = new Mat();
        Mat bin = new Mat();
        Mat hierarchy = new Mat();
        MatVector contours = new MatVector()) {
        printMat(matrix);
        cvtColor(matrix, gray, COLOR_BGR2GRAY);
        // Normalize
        GaussianBlur(gray, denoised, new Size(5, 5), 0);
        threshold(denoised, mask, 0, 255, THRESH_BINARY_INV | THRESH_OTSU);
        normalize(gray, gray, 0, 255, NORM_MINMAX, -1, mask);
        // Convert image to binary
        threshold(gray, bin, 150, 255, THRESH_BINARY);
        // Find contours
        findContours(bin, contours, hierarchy, RETR_TREE, CHAIN_APPROX_NONE);
        long contourCount = contours.size();
        System.out.println("Countour count " + contourCount);
        for (int i = 0; i < contourCount; ++i) {
            // Calculate the area of each contour
            Mat contour = contours.get(i);
            double area = contourArea(contour);
            // Ignore contours that are too small or too large
            if (area > 128 && area < 8192) {
                principalComponentAnalysis(contour, i, matrix);
            }
        }
        CanvasFrame canvas = new CanvasFrame("PrincipalComponentAnalysis", 1);
        canvas.setDefaultCloseOperation(javax.swing.JFrame.EXIT_ON_CLOSE);
        canvas.setCanvasSize(320, 240);
        OpenCVFrameConverter converter = new OpenCVFrameConverter.ToIplImage();
        canvas.showImage(converter.convert(matrix));
    }
}