import javafx.application.Application;
import javafx.event.ActionEvent;
import javafx.event.EventHandler;
import javafx.scene.Scene;
import javafx.scene.control.*;
import javafx.scene.layout.Pane;
import javafx.scene.media.Media;
import javafx.scene.media.MediaPlayer;
import javafx.scene.media.MediaView;
import javafx.stage.Stage;
import javafx.util.Duration;


public class Bug extends Application {
    
    public static void main(String[] args) {
        launch(args);
    }

    private MediaPlayer mp;
    private Media media;
    private MediaView mv;
    private Scene scene;
    
    @Override
    public void start(Stage stage) throws Exception {

        String path = "file:///D:/Junior/Projects/Программирование/Apps/video/video.mp4";
        System.out.println("path = " + path);
        media = new Media(path);
        
        mp = new MediaPlayer(media);
        mp.play();
        
        mv = new MediaView(mp);
        mv.setPreserveRatio(true);
        
        Pane sp = new Pane();
        sp.getChildren().setAll(mv);
        
        scene = new Scene(sp, 800, 600);

        mv.fitWidthProperty().bind(scene.widthProperty());
        mv.fitHeightProperty().bind(scene.heightProperty());
        
        Button b = new Button("seek and change rate");
        b.setOnAction(new EventHandler<ActionEvent>() {

            @Override
            public void handle(ActionEvent arg0) {
                mp.seek(Duration.seconds(100));
                if (mp.getRate() == 1) {
                    mp.setRate(0.5);
                } else {
                    mp.setRate(1);
                }
            }
        });
        sp.getChildren().add(b);
        
        stage.setScene(scene);
        stage.show();
    }
}