/*
* Autopsy Forensic Browser
*
* Copyright 2013 Basis Technology Corp.
* Contact: carrier <at> sleuthkit <dot> org
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.sleuthkit.autopsy.imagegallery.gui;
import java.net.URL;
import java.util.ResourceBundle;
import java.util.logging.Level;
import javafx.application.Platform;
import javafx.beans.InvalidationListener;
import javafx.beans.Observable;
import javafx.event.ActionEvent;
import javafx.fxml.FXML;
import javafx.scene.control.Button;
import javafx.scene.control.Label;
import javafx.scene.control.Slider;
import javafx.scene.image.Image;
import javafx.scene.image.ImageView;
import javafx.scene.layout.BorderPane;
import javafx.scene.layout.HBox;
import javafx.scene.media.MediaException;
import javafx.scene.media.MediaPlayer;
import javafx.scene.media.MediaPlayer.Status;
import javafx.scene.media.MediaView;
import javafx.scene.text.Text;
import javafx.util.Duration;
import javafx.util.StringConverter;
import org.openide.util.NbBundle;
import org.sleuthkit.autopsy.coreutils.Logger;
import org.sleuthkit.autopsy.imagegallery.FXMLConstructor;
import org.sleuthkit.autopsy.imagegallery.datamodel.VideoFile;
public class VideoPlayer extends BorderPane {
private static final Image VOLUME_HIGH = new Image("/org/sleuthkit/autopsy/imagegallery/images/speaker-volume.png"); //NON-NLS
private static final Image VOLUME_LOW = new Image("/org/sleuthkit/autopsy/imagegallery/images/speaker-volume-low.png"); //NON-NLS
private static final Image VOLUME_ZERO = new Image("/org/sleuthkit/autopsy/imagegallery/images/speaker-volume-none.png"); //NON-NLS
private static final Image VOLUME_MUTE = new Image("/org/sleuthkit/autopsy/imagegallery/images/speaker-volume-control-mute.png"); //NON-NLS
private static final Image PLAY = new Image("/org/sleuthkit/autopsy/imagegallery/images/media_controls_play_small.png", true); //NON-NLS
private static final Image PAUSE = new Image("/org/sleuthkit/autopsy/imagegallery/images/media_controls_pause_small.png", true); //NON-NLS
private final MediaPlayer mp;
private final boolean repeat = false;
private boolean stopRequested = false;
private boolean atEndOfMedia = false;
private Duration duration;
@FXML
private MediaView mediaView;
@FXML
private ResourceBundle resources;
@FXML
private URL location;
@FXML
private Button controlButton;
@FXML
private Slider timeSlider;
@FXML
private Slider volumeSlider;
@FXML
private Label timeLabel;
@FXML
private ImageView controlImageView;
@FXML
private ImageView volumeImageView;
@FXML
private HBox playControlBar;
@FXML
private Button volumeButton;
InvalidationListener seekListener = new InvalidationListener() {
@Override
public void invalidated(Observable ov) {
mp.seek(Duration.millis(timeSlider.getValue()));
}
};
private final VideoFile file;
@FXML
@NbBundle.Messages({"# {0} - exception type",
"VideoPlayer.errNotice={0}\nSee the logs for details."})
void initialize() {
assert controlButton != null : "fx:id=\"controlButton\" was not injected: check your FXML file 'MediaControl.fxml'.";
assert timeSlider != null : "fx:id=\"timeSlider\" was not injected: check your FXML file 'MediaControl.fxml'.";
assert volumeSlider != null : "fx:id=\"volumeSlider\" was not injected: check your FXML file 'MediaControl.fxml'.";
mp.errorProperty().addListener((Observable observable) -> {
final MediaException ex = mp.getError();
if (ex != null) {
Platform.runLater(() -> {
Logger.getLogger(VideoFile.class.getName()).log(Level.WARNING, ex.getType() + " Failed to initialize MediaControl for file " + file.getName(), ex); //NON-NLS
setCenter(new Text(Bundle.VideoPlayer_errNotice(ex.getType())));
setBottom(null);
});
}
});
mp.statusProperty().addListener((observableStatus, oldStatus, newStatus) -> {
Logger.getAnonymousLogger().log(Level.INFO, "media player: {0}", newStatus); //NON-NLS
});
mediaView.setMediaPlayer(mp);
mediaView.fitHeightProperty().bind(this.heightProperty().subtract(playControlBar.heightProperty()));
mediaView.fitWidthProperty().bind(this.widthProperty());
controlButton.setOnAction((ActionEvent e) -> {
Status status = mp.getStatus();
switch (status) {
case UNKNOWN:
case HALTED:
// don't do anything in these states
return;
case PAUSED:
case READY:
case STOPPED:
// rewind the movie if we're sitting at the end
if (atEndOfMedia) {
mp.seek(mp.getStartTime());
atEndOfMedia = false;
}
mp.play();
break;
default:
mp.pause();
}
});
mp.currentTimeProperty().addListener((Observable ov) -> {
updateTime();
});
mp.setOnPlaying(() -> {
if (stopRequested) {
mp.pause();
stopRequested = false;
} else {
controlImageView.setImage(PAUSE);
}
});
mp.setOnPaused(() -> {
controlImageView.setImage(PLAY);
});
mp.setOnReady(() -> {
duration = mp.getMedia().getDuration();
timeSlider.setMax(duration.toMillis());
timeSlider.setMajorTickUnit(duration.toMillis());
updateTime();
updateVolume();
});
mp.setCycleCount(repeat ? MediaPlayer.INDEFINITE : 1);
mp.setOnEndOfMedia(() -> {
if (!repeat) {
controlImageView.setImage(PLAY);
stopRequested = true;
atEndOfMedia = true;
}
});
mp.volumeProperty().addListener((observable, oldVolume, newVolume) -> {
setVolumeIcon(newVolume);
});
mp.muteProperty().addListener((observable, oldMute, newMute) -> {
if (newMute) {
volumeImageView.setImage(VOLUME_MUTE);
} else {
setVolumeIcon(mp.getVolume());
}
});
timeSlider.valueProperty().addListener(seekListener);
// Add time slider
timeSlider.setLabelFormatter(new StringConverter<Double>() {
@Override
public String toString(Double object) {
return formatTime(Duration.millis(object));
}
@Override
public Double fromString(String string) {
throw new UnsupportedOperationException("Not supported yet."); //To change body of generated methods, choose Tools | Templates.
}
});
// Add Volume slider
volumeSlider.valueProperty().addListener((Observable ov) -> {
if (volumeSlider.isValueChanging()) {
mp.setVolume(volumeSlider.getValue());
mp.setMute(false);
}
});
volumeButton.setOnAction(event -> {
mp.setMute(!mp.isMute());
});
}
private void setVolumeIcon(Number newVolume) {
if (newVolume.doubleValue() < .1) {
volumeImageView.setImage(VOLUME_ZERO);
} else if (newVolume.doubleValue() <= .6) {
volumeImageView.setImage(VOLUME_LOW);
} else {
volumeImageView.setImage(VOLUME_HIGH);
}
}
public VideoPlayer(MediaPlayer mp, VideoFile file) {
this.file = file;
this.mp = mp;
FXMLConstructor.construct(this, "MediaControl.fxml"); //NON-NLS
}
protected void updateTime() {
Platform.runLater(() -> {
Duration currentTime = mp.getCurrentTime();
timeSlider.setDisable(duration.isUnknown());
timeLabel.setText(formatTime(currentTime));
if (!timeSlider.isDisabled()
&& duration.greaterThan(Duration.ZERO)
&& !timeSlider.isValueChanging()) {
timeSlider.valueProperty().removeListener(seekListener);
timeSlider.setValue(currentTime.toMillis());
timeSlider.valueProperty().addListener(seekListener);
}
});
}
private void updateVolume() {
Platform.runLater(() -> {
final double volume = mp.getVolume();
volumeSlider.setValue(volume);
if (mp.isMute()) {
volumeImageView.setImage(VOLUME_MUTE);
} else {
setVolumeIcon(volume);
}
});
}
private static String formatTime(Duration elapsed) {
int totalSeconds = (int) Math.floor(elapsed.toSeconds());
int elapsedHours = totalSeconds / (60 * 60);
totalSeconds -= elapsedHours * 60 * 60;
int elapsedMinutes = totalSeconds / 60;
int elapsedSeconds = totalSeconds - elapsedMinutes * 60;
if (elapsedHours > 0) {
return String.format("%d:%02d:%02d", elapsedHours, //NON-NLS
elapsedMinutes, elapsedSeconds);
} else {
return String.format("%02d:%02d", elapsedMinutes, //NON-NLS
elapsedSeconds);
}
}
public void stopVideo() {
mp.stop();
}
}