媒体播放器源代码java

抱歉，我无法提供完整的媒体播放器源代码，因为它需要大量的代码和功能，而且还需要根据特定的需求进行编写。但是，以下是Java中使用JavaFX库创建简单媒体播放器的示例代码：

import javafx.application.Application;
import javafx.geometry.Insets;
import javafx.scene.Scene;
import javafx.scene.control.Button;
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.stage.Stage;

import java.io.File;

public class MediaPlayerExample extends Application {

    private MediaPlayer mediaPlayer;
    private MediaView mediaView;
    private Slider volumeSlider;
    private Slider progressSlider;

    @Override
    public void start(Stage primaryStage) throws Exception {
        // Create media file
        File file = new File("path/to/media/file.mp4");
        Media media = new Media(file.toURI().toString());

        // Create media player
        mediaPlayer = new MediaPlayer(media);

        // Create media view
        mediaView = new MediaView(mediaPlayer);
        mediaView.setFitWidth(600);
        mediaView.setFitHeight(400);

        // Create volume slider
        volumeSlider = new Slider();
        volumeSlider.setPrefWidth(100);
        volumeSlider.setMin(0);
        volumeSlider.setMax(1);
        volumeSlider.setValue(0.5);
        mediaPlayer.volumeProperty().bind(volumeSlider.valueProperty());

        // Create progress slider
        progressSlider = new Slider();
        progressSlider.setPrefWidth(500);
        progressSlider.setMin(0);
        progressSlider.setValue(0);
        mediaPlayer.currentTimeProperty().addListener((observable, oldValue, newValue) -> {
            progressSlider.setValue(newValue.toSeconds());
        });
        progressSlider.setOnMouseClicked(event -> {
            mediaPlayer.seek(mediaPlayer.getMedia().getDuration().multiply(progressSlider.getValue() / 100));
        });

        // Create play button
        Button playButton = new Button("Play");
        playButton.setOnAction(event -> {
            if (mediaPlayer.getStatus() == MediaPlayer.Status.PLAYING) {
                mediaPlayer.pause();
                playButton.setText("Play");
            } else {
                mediaPlayer.play();
                playButton.setText("Pause");
            }
        });

        // Create controls box
        HBox controlsBox = new HBox(10, playButton, volumeSlider);

        // Create root pane
        BorderPane rootPane = new BorderPane();
        rootPane.setCenter(mediaView);
        rootPane.setBottom(new HBox(10, progressSlider, controlsBox));
        rootPane.setPadding(new Insets(10));

        // Create scene
        Scene scene = new Scene(rootPane);

        // Set stage properties
        primaryStage.setScene(scene);
        primaryStage.setTitle("Media Player Example");
        primaryStage.show();
    }

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

请注意，此示例代码中使用的媒体文件路径应替换为实际文件路径。此外，还可以添加其他控件和功能来改进媒体播放器。