import javafx.application.Application;
import javafx.stage.Stage;
import javafx.scene.Scene;
import javafx.scene.control.Button;
import javafx.scene.control.Label;
import javafx.scene.control.Slider;
import javafx.scene.layout.BorderPane;
import javafx.scene.layout.HBox;
import javafx.scene.media.Media;
import javafx.scene.media.MediaPlayer;
import javafx.scene.media.MediaView;
import javafx.geometry.Pos;
import javafx.util.Duration;

public class VideoMediaDemo extends Application {
    private static final String MEDIA_URL = VideoMediaDemo.class.getResource("video.mp4").toExternalForm();
    public void start(Stage primaryStage) {
        Media media = new Media(MEDIA_URL);
        MediaPlayer mediaPlayer = new MediaPlayer(media);
        MediaView mediaView = new MediaView(mediaPlayer);
        Button playButton = new Button(">");
        playButton.setOnAction(e -> {
            if (playButton.getText().equals(">")) {
                mediaPlayer.play();
                playButton.setText("||");
            } else {
                mediaPlayer.pause();
                playButton.setText(">");
            }
        });
        Button rewindButton = new Button("<<");
        rewindButton.setOnAction(e -> mediaPlayer.seek(Duration.ZERO));
        Slider slVolume = new Slider();
        slVolume.setPrefWidth(150);
        slVolume.setMinWidth(30);
        slVolume.setValue(50);
        mediaPlayer.volumeProperty().bind(slVolume.valueProperty().divide(100));
        HBox hBox = new HBox(10);
        hBox.setAlignment(Pos.CENTER);
        hBox.getChildren().addAll(playButton, rewindButton,
                new Label("Volume"), slVolume);
        BorderPane pane = new BorderPane();
        pane.setCenter(mediaView);
        pane.setBottom(hBox);
        Scene scene = new Scene(pane, 600, 350);
        primaryStage.setTitle("VideoMediaDemo");
        primaryStage.setScene(scene);
        primaryStage.show();
    }
// ... main
}