Playing Audio - Java JavaFX

Java examples for JavaFX:Audio

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Description

Playing Audio

Demo Code

import java.io.File;
import java.util.Random;

import javafx.application.Application;
import javafx.scene.Group;
import javafx.scene.Scene;
import javafx.scene.media.AudioSpectrumListener;
import javafx.scene.media.Media;
import javafx.scene.media.MediaPlayer;
import javafx.scene.paint.Color;
import javafx.scene.shape.Circle;
import javafx.stage.Stage;
import javafx.stage.StageStyle;

public class Main extends Application {
  private MediaPlayer mediaPlayer;

  public static void main(String[] args) {
    Application.launch(args);// w  w w  .j  a  v a2s . com
  }

  @Override
  public void start(final Stage primaryStage) {
    primaryStage.setTitle("Playing Audio");
    primaryStage.centerOnScreen();
    primaryStage.initStyle(StageStyle.TRANSPARENT);

    Group root = new Group();
    Scene scene = new Scene(root, 551, 270, Color.rgb(0, 0, 0, 0));

    Media media = new Media(new File("a.mp3").toURI().toString());

    if (mediaPlayer != null) {
      mediaPlayer.stop();
    }

    mediaPlayer = new MediaPlayer(media);

    // Maintained Inner Class for Tutorial, could be changed to lambda
    mediaPlayer.setAudioSpectrumListener(new AudioSpectrumListener() {
      @Override
      public void spectrumDataUpdate(double timestamp, double duration,
          float[] magnitudes, float[] phases) {

        int i = 0;
        int x = 10;
        int y = 150;
        final Random rand = new Random(System.currentTimeMillis());
        for (float phase : phases) {
          int red = rand.nextInt(255);
          int green = rand.nextInt(255);
          int blue = rand.nextInt(255);

          Circle circle = new Circle(10);
          circle.setCenterX(x + i);
          circle.setCenterY(y + (phase * 100));
          circle.setFill(Color.rgb(red, green, blue, .70));

          i += 5;
        }
      }
    });

    mediaPlayer.setOnReady(mediaPlayer::play);

    mediaPlayer.stop();
    mediaPlayer.play();
    mediaPlayer.pause();

    primaryStage.setScene(scene);
    primaryStage.show();
  }
}

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