JavaFX2.2制作播放器播放mp4
2.0的多媒体只支持播放0n2 VP6编码格式的多媒体文件，现在的2.1可以播放普通的mp4文件了，废话不多少，上图上代码，希望fx在多媒体方面继续加强啊~
鼠标放上去显示进度和播放暂停按钮的
鼠标移开就木有显示那些了。
上代码
import javafx.animation.FadeTransitionBuilder;
import javafx.animation.Interpolator;
import javafx.animation.ParallelTransition;
import javafx.animation.ParallelTransitionBuilder;
import javafx.application.Application;
import javafx.application.Platform;
import javafx.beans.InvalidationListener;
import javafx.beans.Observable;
import javafx.beans.value.ChangeListener;
import javafx.beans.value.ObservableValue;
import javafx.event.ActionEvent;
import javafx.event.EventHandler;
import javafx.geometry.Insets;
import javafx.geometry.Pos;
import javafx.scene.Group;
import javafx.scene.Scene;
import javafx.scene.control.*;
import javafx.scene.input.MouseEvent;
import javafx.scene.layout.*;
import javafx.scene.media.Media;
import javafx.scene.media.MediaPlayer;
import javafx.scene.media.MediaPlayer.Status;
import javafx.scene.media.MediaView;
import javafx.scene.paint.Color;
import javafx.stage.Stage;
import javafx.util.Duration;
/**
* A media player with controls for play, pause, stop, seek, and volume.
*
* <a href="http://my.oschina.net/u/244147" class="referer" target="_blank">@see</a> javafx.scene.media.MediaPlayer
* <a href="http://my.oschina.net/u/244147" class="referer" target="_blank">@see</a> javafx.scene.media.Media
*/
public class OverlayMediaPlayer extends Application {
private static final String MEDIA_URL = "http://10.0.xx.xx/xxx/s.mp4";
private MediaPlayer mediaPlayer;
private void init(Stage primaryStage) {
Group root = new Group();
primaryStage.setScene(new Scene(root));
mediaPlayer = new MediaPlayer(new Media(MEDIA_URL));
mediaPlayer.setAutoPlay(true);
OverlayMediaPlayer.PlayerPane playerPane = new OverlayMediaPlayer.PlayerPane(mediaPlayer);
playerPane.setMinSize(480, 360);
playerPane.setPrefSize(480, 360);
playerPane.setMaxSize(480, 360);
// getStylesheets().add("ensemble/samples/media/OverlayMediaPlayer.css");
root.getChildren().add(playerPane);
}
public void play() {
Status status = mediaPlayer.getStatus();
if (status == Status.UNKNOWN || status == Status.HALTED) {
return;
}
if (status == Status.PAUSED || status == Status.STOPPED || status == Status.READY) {
mediaPlayer.play();
}
}
@Override public void stop() {
mediaPlayer.stop();
}
static class PlayerPane extends BorderPane {
private MediaPlayer mp;
private MediaView mediaView;
private final boolean repeat = false;
private boolean stopRequested = false;
private boolean atEndOfMedia = false;
private Duration duration;
private Slider timeSlider;
private Label playTime;
private Slider volumeSlider;
private HBox mediaTopBar;
private HBox mediaBottomBar;
private ParallelTransition transition = null;
@Override protected void layoutChildren() {
if (mediaView != null && getBottom() != null) {
mediaView.setFitWidth(getWidth());
mediaView.setFitHeight(getHeight() - getBottom().prefHeight(-1));
}
super.layoutChildren();
if (mediaView != null) {
mediaView.setTranslateX((((Pane)getCenter()).getWidth() - mediaView.prefWidth(-1)) / 2);
mediaView.setTranslateY((((Pane)getCenter()).getHeight() - mediaView.prefHeight(-1)) / 2);
}
}
@Override protected double computeMinWidth(double height) {
return mediaBottomBar.prefWidth(-1);
}
@Override protected double computeMinHeight(double width) {
return 200;
}
@Override protected double computePrefWidth(double height) {
return Math.max(mp.getMedia().getWidth(), mediaBottomBar.prefWidth(height));
}
@Override protected double computePrefHeight(double width) {
return mp.getMedia().getHeight() + mediaBottomBar.prefHeight(width);
}
@Override protected double computeMaxWidth(double height) { return Double.MAX_VALUE; }
@Override protected double computeMaxHeight(double width) { return Double.MAX_VALUE; }
public PlayerPane(final MediaPlayer mp) {
this.mp = mp;
setId("player-pane");
mediaView = new MediaView(mp);
Pane mvPane = new Pane() { };
mvPane.setId("media-pane");
mvPane.getChildren().add(mediaView);
setCenter(mvPane);
mediaTopBar = HBoxBuilder.create()
.padding(new Insets(5, 10, 5, 10))
.alignment(Pos.CENTER)
.opacity(0)
.build();
BorderPane.setAlignment(mediaTopBar, Pos.CENTER);
mediaBottomBar = HBoxBuilder.create()
.padding(new Insets(5, 10, 5, 10))
.alignment(Pos.CENTER)
.opacity(0)
.build();
BorderPane.setAlignment(mediaBottomBar, Pos.CENTER);
setOnMouseEntered(new EventHandler<MouseEvent>() {
@Override public void handle(MouseEvent t) {
if (transition != null) transition.stop();
transition = ParallelTransitionBuilder.create()
.children(
FadeTransitionBuilder.create()
.node(mediaTopBar)
.toValue(1)
.duration(Duration.millis(200))
.interpolator(Interpolator.EASE_OUT)
.build(),
FadeTransitionBuilder.create()
.node(mediaBottomBar)
.toValue(1)
.duration(Duration.millis(200))
.interpolator(Interpolator.EASE_OUT)
.build()
)
.build();
transition.play();
}
});
setOnMouseExited(new EventHandler<MouseEvent>() {
@Override public void handle(MouseEvent t) {
if (transition != null) transition.stop();
transition = ParallelTransitionBuilder.create()
.children(
FadeTransitionBuilder.create()
.node(mediaTopBar)
.toValue(0)
.duration(Duration.millis(800))
.interpolator(Interpolator.EASE_OUT)
.build(),
FadeTransitionBuilder.create()
.node(mediaBottomBar)
.toValue(0)
.duration(Duration.millis(800))
.interpolator(Interpolator.EASE_OUT)
.build()
)
.build();
transition.play();
}
});
mp.currentTimeProperty().addListener(new ChangeListener<Duration>() {
@Override
public void changed(ObservableValue<? extends Duration> observable, Duration oldValue, Duration newValue) {
updateValues();
}
});
mp.setOnPlaying(new Runnable() {
public void run() {
if (stopRequested) {
mp.pause();
stopRequested = false;
}
}
});
mp.setOnReady(new Runnable() {
public void run() {
duration = mp.getMedia().getDuration();
updateValues();
}
});
mp.setOnEndOfMedia(new Runnable() {
public void run() {
if (!repeat) {
stopRequested = true;
atEndOfMedia = true;
}
}
});
mp.setCycleCount(repeat ? MediaPlayer.INDEFINITE : 1);
// Time label
Label timeLabel = LabelBuilder.create()
.text("Time")
.minWidth(Control.USE_PREF_SIZE)
.textFill(Color.WHITE)
.build();
mediaTopBar.getChildren().add(timeLabel);
// Time slider
timeSlider = SliderBuilder.create()
.id("media-slider")
.minWidth(240)
.maxWidth(Double.MAX_VALUE)
.build();
timeSlider.valueProperty().addListener(new InvalidationListener() {
public void invalidated(Observable ov) {
if (timeSlider.isValueChanging()) {
// multiply duration by percentage calculated by slider position
if (duration != null) {
mp.seek(duration.multiply(timeSlider.getValue() / 100.0));
}
updateValues();
}
}
});
HBox.setHgrow(timeSlider, Priority.ALWAYS);
mediaTopBar.getChildren().add(timeSlider);
// Play label
playTime = LabelBuilder.create()
.prefWidth(130)
.minWidth(50)
.textFill(Color.WHITE)
.build();
mediaTopBar.getChildren().add(playTime);
// Volume label
Label volumeLabel = LabelBuilder.create()
.text("Vol")
.textFill(Color.WHITE)
.minWidth(Control.USE_PREF_SIZE)
.build();
mediaTopBar.getChildren().add(volumeLabel);
// Volume slider
volumeSlider = SliderBuilder.create()
.id("media-slider")
.prefWidth(120)
.maxWidth(Region.USE_PREF_SIZE)
.minWidth(30)
.build();
volumeSlider.valueProperty().addListener(new InvalidationListener() {
public void invalidated(Observable ov) {
}
});
volumeSlider.valueProperty().addListener(new ChangeListener<Number>() {
@Override
public void changed(ObservableValue<? extends Number> observable, Number oldValue, Number newValue) {
if (volumeSlider.isValueChanging()) {
mp.setVolume(volumeSlider.getValue() / 100.0);
}
}
});
mediaTopBar.getChildren().add(volumeSlider);
setTop(mediaTopBar);
final EventHandler<ActionEvent> backAction = new EventHandler<ActionEvent>() {
public void handle(ActionEvent e) {
mp.seek(Duration.ZERO);
}
};
final EventHandler<ActionEvent> stopAction = new EventHandler<ActionEvent>() {
public void handle(ActionEvent e) {
mp.stop();
}
};
final EventHandler<ActionEvent> playAction = new EventHandler<ActionEvent>() {
public void handle(ActionEvent e) {
mp.play();
}
};
final EventHandler<ActionEvent> pauseAction = new EventHandler<ActionEvent>() {
public void handle(ActionEvent e) {
mp.pause();
}
};
final EventHandler<ActionEvent> forwardAction = new EventHandler<ActionEvent>() {
public void handle(ActionEvent e) {
Duration currentTime = mp.getCurrentTime();
mp.seek(Duration.seconds(currentTime.toSeconds() + 5.0));
}
};
mediaBottomBar = HBoxBuilder.create()
.id("bottom")
.spacing(0)
.alignment(Pos.CENTER)
.children(
ButtonBuilder.create()
.id("back-button")
.text("Back")
.onAction(backAction)
.build(),
ButtonBuilder.create()
.id("stop-button")
.text("Stop")
.onAction(stopAction)
.build(),
ButtonBuilder.create()
.id("play-button")
.text("Play")
.onAction(playAction)
.build(),
ButtonBuilder.create()
.id("pause-button")
.text("Pause")
.onAction(pauseAction)
.build(),
ButtonBuilder.create()
.id("forward-button")
.text("Forward")
.onAction(forwardAction)
.build()
)
.build();
setBottom(mediaBottomBar);
}
protected void updateValues() {
if (playTime != null && timeSlider != null && volumeSlider != null && duration != null) {
Platform.runLater(new Runnable() {
public void run() {
Duration currentTime = mp.getCurrentTime();
playTime.setText(formatTime(currentTime, duration));
timeSlider.setDisable(duration.isUnknown());
if (!timeSlider.isDisabled() && duration.greaterThan(Duration.ZERO) && !timeSlider.isValueChanging()) {
timeSlider.setValue(currentTime.divide(duration).toMillis() * 100.0);
}
if (!volumeSlider.isValueChanging()) {
volumeSlider.setValue((int) Math.round(mp.getVolume() * 100));
}
}
});
}
}
private static String formatTime(Duration elapsed, Duration duration) {
int intElapsed = (int)Math.floor(elapsed.toSeconds());
int elapsedHours = intElapsed / (60 * 60);
if (elapsedHours > 0) {
intElapsed -= elapsedHours * 60 * 60;
}
int elapsedMinutes = intElapsed / 60;
int elapsedSeconds = intElapsed - elapsedHours * 60 * 60 - elapsedMinutes * 60;
if (duration.greaterThan(Duration.ZERO)) {
int intDuration = (int)Math.floor(duration.toSeconds());
int durationHours = intDuration / (60 * 60);
if (durationHours > 0) {
intDuration -= durationHours * 60 * 60;
}
int durationMinutes = intDuration / 60;
int durationSeconds = intDuration - durationHours * 60 * 60 - durationMinutes * 60;
if (durationHours > 0) {
return String.format("%d:%02d:%02d",
elapsedHours, elapsedMinutes, elapsedSeconds);
} else {
return String.format("%02d:%02d",
elapsedMinutes, elapsedSeconds);
}
} else {
if (elapsedHours > 0) {
return String.format("%d:%02d:%02d",
elapsedHours, elapsedMinutes, elapsedSeconds);
} else {
return String.format("%02d:%02d",
elapsedMinutes, elapsedSeconds);
}
}
}
}
@Override public void start(Stage primaryStage) throws Exception {
init(primaryStage);
primaryStage.show();
play();
}
public static void main(String[] args) { launch(args); }
}