Video Player em java

package testeplayer;

import java.io.File;
import javafx.application.Application;
import javafx.beans.binding.Bindings;
import javafx.beans.property.DoubleProperty;
import javafx.scene.Scene;
import javafx.scene.layout.StackPane;
import javafx.scene.media.Media;
import javafx.scene.media.MediaPlayer;
import javafx.scene.media.MediaView;
import javafx.scene.paint.Color;
import javafx.stage.Stage;

public class TestePlayer extends Application {

    @Override
    public void start(Stage primaryStage) {
        String workingDir = System.getProperty("user.dir");
        final File f = new File(workingDir, "src\\testeplayer\\videoteste.flv");

        final Media m = new Media(f.toURI().toString());
        final MediaPlayer mp = new MediaPlayer(m);
        final MediaView mv = new MediaView(mp);

        final DoubleProperty width = mv.fitWidthProperty();
        final DoubleProperty height = mv.fitHeightProperty();

        width.bind(Bindings.selectDouble(mv.sceneProperty(), "width"));
        height.bind(Bindings.selectDouble(mv.sceneProperty(), "height"));

        mv.setPreserveRatio(true);

        StackPane root = new StackPane();
        root.getChildren().add(mv);

        final Scene scene = new Scene(root, 960, 540);
        scene.setFill(Color.BLACK);

        primaryStage.setScene(scene);
        primaryStage.setTitle("Video Player");
        primaryStage.show();

        mp.play();
    }

    public static void main(String[] args) {
        launch(args);
    }
}