mirror of
https://github.com/overcuriousity/autopsy-flatpak.git
synced 2025-07-14 17:06:16 +00:00
Updated vlc video component use and fixed bugs
This commit is contained in:
Jeff Wallace
parent
fce1446bbc
commit
a18fdc33e7
@ -110,34 +110,37 @@ public class DataContentViewerMedia extends javax.swing.JPanel implements DataCo
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@Override
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public void setNode(Node selectedNode) {
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try {
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if (selectedNode == null) {
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videoPanel.reset();
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return;
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}
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AbstractFile file = selectedNode.getLookup().lookup(AbstractFile.class);
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if (file == null) {
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return;
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}
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if (file.equals(lastFile)) {
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return; //prevent from loading twice if setNode() called mult. times
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} else {
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lastFile = file;
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}
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if (selectedNode == null) {
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videoPanel.reset();
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return;
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}
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AbstractFile file = selectedNode.getLookup().lookup(AbstractFile.class);
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if (file == null) {
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return;
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}
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final Dimension dims = DataContentViewerMedia.this.getSize();
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if (file.equals(lastFile)) {
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return; //prevent from loading twice if setNode() called mult. times
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} else {
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lastFile = file;
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}
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videoPanel.reset();
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final Dimension dims = DataContentViewerMedia.this.getSize();
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if (imagePanelInited && containsExt(file.getName(), IMAGES)) {
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imagePanel.showImageFx(file, dims);
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this.switchPanels(false);
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} else if (videoPanelInited
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&& (containsExt(file.getName(), VIDEOS) || containsExt(file.getName(), AUDIOS))) {
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videoPanel.setupVideo(file, dims);
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switchPanels(true);
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if (imagePanelInited && containsExt(file.getName(), IMAGES)) {
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imagePanel.showImageFx(file, dims);
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this.switchPanels(false);
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} else if (videoPanelInited
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&& (containsExt(file.getName(), VIDEOS) || containsExt(file.getName(), AUDIOS))) {
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videoPanel.setupVideo(file, dims);
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switchPanels(true);
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}
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} catch (Exception e) {
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logger.log(Level.SEVERE, "Exception while setting node", e);
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}
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}
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@ -38,8 +38,6 @@ import javax.swing.SwingUtilities;
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import javax.swing.SwingWorker;
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import javax.swing.event.ChangeEvent;
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import javax.swing.event.ChangeListener;
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import org.gstreamer.elements.PlayBin2;
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import org.gstreamer.swing.VideoComponent;
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import org.netbeans.api.progress.ProgressHandle;
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import org.netbeans.api.progress.ProgressHandleFactory;
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import org.openide.util.Cancellable;
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@ -68,23 +66,21 @@ import uk.co.caprica.vlcj.runtime.RuntimeUtil;
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public class MediaViewVideoPanel extends javax.swing.JPanel implements FrameCapture {
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private static final Logger logger = Logger.getLogger(MediaViewVideoPanel.class.getName());
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private boolean gstInited;
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private boolean vlcInited;
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private static final long MIN_FRAME_INTERVAL_MILLIS = 500;
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private static final long FRAME_CAPTURE_TIMEOUT_MILLIS = 1000;
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private static final String MEDIA_PLAYER_ERROR_STRING = "The media player cannot process this file.";
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private static final int POS_FACTOR = 10000;
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//playback
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private long durationMillis = 0;
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private VideoProgressWorker videoProgressWorker;
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private int totalHours, totalMinutes, totalSeconds;
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private volatile PlayBin2 gstPlaybin2;
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private MediaPlayer vlcMediaPlayer;
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private VideoComponent gstVideoComponent;
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private EmbeddedMediaPlayerComponent vlcVideoComponent;
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private boolean autoTracking = false; // true if the slider is moving automatically
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private final Object playbinLock = new Object(); // lock for synchronization of gstPlaybin2 player
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private AbstractFile currentFile;
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private boolean isFileLoaded;
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private java.io.File currentVideoFile;
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private boolean replay;
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private Set<String> badVideoFiles = Collections.synchronizedSet(new HashSet<String>());
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/**
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@ -112,12 +108,10 @@ public class MediaViewVideoPanel extends javax.swing.JPanel implements FrameCapt
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}
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public EmbeddedMediaPlayerComponent getVideoComponent() {
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// return gstVideoComponent;
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return vlcVideoComponent;
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}
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public boolean isInited() {
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// return gstInited;
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return vlcInited;
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}
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@ -137,14 +131,15 @@ public class MediaViewVideoPanel extends javax.swing.JPanel implements FrameCapt
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*/
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@Override
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public void stateChanged(ChangeEvent e) {
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int time = progressSlider.getValue();
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if (vlcMediaPlayer != null && !autoTracking) {
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boolean wasPlaying = !vlcMediaPlayer.isPlaying();
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vlcMediaPlayer.setPause(true);
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vlcMediaPlayer.setTime(time);
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vlcMediaPlayer.setPause(wasPlaying);
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if (vlcMediaPlayer != null && !autoTracking) {
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float positionValue = progressSlider.getValue() / (float) POS_FACTOR;
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// Avoid end of file freeze-up
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if (positionValue > 0.99f) {
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positionValue = 0.99f;
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}
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vlcMediaPlayer.setPosition(positionValue);
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}
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}
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});
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}
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@ -162,6 +157,27 @@ public class MediaViewVideoPanel extends javax.swing.JPanel implements FrameCapt
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}
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}
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/**
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* Reset the video for replaying the current file.
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*
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* Called when finished Event is fired from MediaPlayer.
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*/
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private void finished() {
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if (videoProgressWorker != null) {
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videoProgressWorker.cancel(true);
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videoProgressWorker = null;
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}
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logger.log(Level.INFO, "Resetting media");
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replay = true;
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}
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/**
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* Load the VLC library dll using JNA.
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*
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* @return <code>true</code>, if the library was loaded correctly.
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* <code>false</code>, otherwise.
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*/
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private boolean initVlc() {
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try {
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Native.loadLibrary(RuntimeUtil.getLibVlcLibraryName(), LibVlc.class);
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@ -184,7 +200,7 @@ public class MediaViewVideoPanel extends javax.swing.JPanel implements FrameCapt
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void setupVideo(final AbstractFile file, final Dimension dims) {
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infoLabel.setText("");
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currentFile = file;
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isFileLoaded = false;
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replay = false;
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final boolean deleted = file.isDirNameFlagSet(TskData.TSK_FS_NAME_FLAG_ENUM.UNALLOC);
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if (deleted) {
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infoLabel.setText("Playback of deleted videos is not supported, use an external player.");
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@ -205,8 +221,6 @@ public class MediaViewVideoPanel extends javax.swing.JPanel implements FrameCapt
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pauseButton.setEnabled(true);
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progressSlider.setEnabled(true);
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java.io.File ioFile = getJFile(file);
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vlcVideoComponent = new EmbeddedMediaPlayerComponent();
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vlcMediaPlayer = vlcVideoComponent.getMediaPlayer();
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vlcMediaPlayer.setPlaySubItems(true);
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@ -216,6 +230,9 @@ public class MediaViewVideoPanel extends javax.swing.JPanel implements FrameCapt
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videoPanel.add(vlcVideoComponent);
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videoPanel.setVisible(true);
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logger.log(Level.INFO, "Created media player.");
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ExtractMedia em = new ExtractMedia(currentFile, getJFile(currentFile));
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em.execute();
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}
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void reset() {
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@ -231,6 +248,12 @@ public class MediaViewVideoPanel extends javax.swing.JPanel implements FrameCapt
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return;
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}
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// get rid of any existing videoProgressWorker thread
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if (videoProgressWorker != null) {
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videoProgressWorker.cancel(true);
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videoProgressWorker = null;
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}
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if (vlcMediaPlayer != null) {
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if (vlcMediaPlayer.isPlaying()) {
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vlcMediaPlayer.stop();
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@ -245,13 +268,8 @@ public class MediaViewVideoPanel extends javax.swing.JPanel implements FrameCapt
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logger.log(Level.INFO, "Released video component");
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}
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// get rid of any existing videoProgressWorker thread
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if (videoProgressWorker != null) {
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videoProgressWorker.cancel(true);
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videoProgressWorker = null;
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}
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currentFile = null;
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currentVideoFile = null;
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}
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private java.io.File getJFile(AbstractFile file) {
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@ -269,6 +287,45 @@ public class MediaViewVideoPanel extends javax.swing.JPanel implements FrameCapt
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return tempFile;
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}
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void playMedia() {
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logger.log(Level.INFO, "In play media");
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if (currentVideoFile == null || !currentVideoFile.exists()) {
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progressLabel.setText("Error buffering file");
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return;
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}
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boolean mediaPrepared = vlcMediaPlayer.prepareMedia(currentVideoFile.getAbsolutePath());
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if (mediaPrepared) {
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vlcMediaPlayer.parseMedia();
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durationMillis = vlcMediaPlayer.getMediaMeta().getLength();
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logger.log(Level.INFO, "Media loaded correctly");
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} else {
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progressLabel.setText(MEDIA_PLAYER_ERROR_STRING);
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}
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// pick out the total hours, minutes, seconds
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long durationSeconds = (int) durationMillis / 1000;
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totalHours = (int) durationSeconds / 3600;
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durationSeconds -= totalHours * 3600;
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totalMinutes = (int) durationSeconds / 60;
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durationSeconds -= totalMinutes * 60;
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totalSeconds = (int) durationSeconds;
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SwingUtilities.invokeLater(new Runnable() {
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@Override
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public void run() {
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progressSlider.setMaximum(POS_FACTOR);
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progressSlider.setMinimum(0);
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logger.log(Level.INFO, "Starting the media...");
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vlcMediaPlayer.start();
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pauseButton.setText("||");
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videoProgressWorker = new VideoProgressWorker();
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videoProgressWorker.execute();
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}
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});
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}
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/**
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* @param file a video file from which to capture frames
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* @param numFrames the number of frames to capture. These frames will be
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@ -359,6 +416,8 @@ public class MediaViewVideoPanel extends javax.swing.JPanel implements FrameCapt
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}
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});
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progressSlider.setSnapToTicks(true);
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org.openide.awt.Mnemonics.setLocalizedText(progressLabel, org.openide.util.NbBundle.getMessage(MediaViewVideoPanel.class, "MediaViewVideoPanel.progressLabel.text")); // NOI18N
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org.openide.awt.Mnemonics.setLocalizedText(infoLabel, org.openide.util.NbBundle.getMessage(MediaViewVideoPanel.class, "MediaViewVideoPanel.infoLabel.text")); // NOI18N
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@ -407,15 +466,16 @@ public class MediaViewVideoPanel extends javax.swing.JPanel implements FrameCapt
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}// </editor-fold>//GEN-END:initComponents
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private void pauseButtonActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_pauseButtonActionPerformed
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if (!isFileLoaded) {
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// First time play button is pressed
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logger.log(Level.INFO, "Loading media file");
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ExtractMedia em = new ExtractMedia(currentFile, getJFile(currentFile));
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em.execute();
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em.getExtractedBytes();
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if (replay) {
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// File has completed playing. Play button now replays
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logger.log(Level.INFO, "Replaying video.");
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replay = false;
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playMedia();
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} else if (vlcMediaPlayer.isPlaying()) {
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logger.log(Level.INFO, "Pausing.");
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this.pause();
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} else {
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logger.log(Level.INFO, "Playing");
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this.unPause();
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}
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}//GEN-LAST:event_pauseButtonActionPerformed
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@ -428,10 +488,23 @@ public class MediaViewVideoPanel extends javax.swing.JPanel implements FrameCapt
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private javax.swing.JPanel videoPanel;
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// End of variables declaration//GEN-END:variables
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void releaseVlcComponents() {
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if (vlcMediaPlayer != null) {
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vlcMediaPlayer.release();
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vlcMediaPlayer = null;
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}
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if (vlcVideoComponent != null) {
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vlcVideoComponent.release();
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vlcVideoComponent = null;
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}
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}
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private class VideoProgressWorker extends SwingWorker<Object, Object> {
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private String durationFormat = "%02d:%02d:%02d/%02d:%02d:%02d ";
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private long millisElapsed = 0;
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private float currentPosition = 0.0f;
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private final long INTER_FRAME_PERIOD_MS = 20;
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private final long END_TIME_MARGIN_MS = 50;
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private boolean hadError = false;
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@ -441,28 +514,23 @@ public class MediaViewVideoPanel extends javax.swing.JPanel implements FrameCapt
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}
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private void resetVideo() throws Exception {
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logger.log(Level.INFO, "Resetting video.");
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if (vlcMediaPlayer != null) {
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vlcMediaPlayer.stop();
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}
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pauseButton.setText("►");
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progressSlider.setValue(0);
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String durationStr = String.format(durationFormat, 0, 0, 0,
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totalHours, totalMinutes, totalSeconds);
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progressLabel.setText(durationStr);
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}
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/**
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* @return true while millisElapsed is greater than END_TIME_MARGIN_MS
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* from durationMillis. This is used to indicate when the video has
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* ended because for some videos the time elapsed never becomes equal to
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* the reported duration of the video.
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*/
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private boolean hasNotEnded() {
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boolean ended = (durationMillis - millisElapsed) > END_TIME_MARGIN_MS;
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return ended;
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}
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// /**
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// * @return true while millisElapsed is greater than END_TIME_MARGIN_MS
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// * from durationMillis. This is used to indicate when the video has
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// * ended because for some videos the time elapsed never becomes equal to
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// * the reported duration of the video.
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// */
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// private boolean hasNotEnded() {
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// boolean ended = (durationMillis - millisElapsed) > END_TIME_MARGIN_MS;
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// return ended;
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// }
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@Override
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protected Object doInBackground() throws Exception {
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@ -471,9 +539,10 @@ public class MediaViewVideoPanel extends javax.swing.JPanel implements FrameCapt
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progressSlider.setEnabled(true);
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int elapsedHours = -1, elapsedMinutes = -1, elapsedSeconds = -1;
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while (hasNotEnded() && isMediaPlayerReady() && !isCancelled()) {
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while (isMediaPlayerReady() && !isCancelled()) {
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millisElapsed = vlcMediaPlayer.getTime();
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currentPosition = vlcMediaPlayer.getPosition();
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// pick out the elapsed hours, minutes, seconds
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long secondsElapsed = millisElapsed / 1000;
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@ -489,7 +558,7 @@ public class MediaViewVideoPanel extends javax.swing.JPanel implements FrameCapt
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progressLabel.setText(durationStr);
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autoTracking = true;
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progressSlider.setValue((int) millisElapsed);
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progressSlider.setValue((int) (currentPosition * POS_FACTOR));
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autoTracking = false;
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try {
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@ -562,58 +631,41 @@ public class MediaViewVideoPanel extends javax.swing.JPanel implements FrameCapt
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logger.log(Level.SEVERE, "Fatal error during media buffering.", ex);
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} finally {
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progress.finish();
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isFileLoaded = true;
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if (!this.isCancelled()) {
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logger.log(Level.INFO, "Loaded media file");
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currentVideoFile = jFile;
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playMedia();
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}
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}
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}
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void playMedia() {
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if (jFile == null || !jFile.exists()) {
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progressLabel.setText("Error buffering file");
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return;
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}
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boolean mediaPrepared = vlcMediaPlayer.prepareMedia(jFile.getAbsolutePath());
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if (mediaPrepared) {
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vlcMediaPlayer.parseMedia();
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durationMillis = vlcMediaPlayer.getMediaMeta().getLength();
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logger.log(Level.INFO, "Media loaded correctly");
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} else {
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progressLabel.setText(MEDIA_PLAYER_ERROR_STRING);
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}
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// pick out the total hours, minutes, seconds
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long durationSeconds = (int) durationMillis / 1000;
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totalHours = (int) durationSeconds / 3600;
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durationSeconds -= totalHours * 3600;
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totalMinutes = (int) durationSeconds / 60;
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durationSeconds -= totalMinutes * 60;
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totalSeconds = (int) durationSeconds;
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SwingUtilities.invokeLater(new Runnable() {
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@Override
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public void run() {
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progressSlider.setMaximum((int) durationMillis);
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progressSlider.setMinimum(0);
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logger.log(Level.INFO, "Starting the media...");
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vlcMediaPlayer.start();
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pauseButton.setText("||");
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videoProgressWorker = new VideoProgressWorker();
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videoProgressWorker.execute();
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}
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});
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}
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}
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private class VlcMediaPlayerEventListener extends MediaPlayerEventAdapter {
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@Override
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public void finished(MediaPlayer mediaPlayer) {
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logger.log(Level.INFO, "Media Player finished playing the media");
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finished();
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}
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@Override
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public void error(MediaPlayer mediaPlayer) {
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logger.log(Level.INFO, "an Error occured.");
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}
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@Override
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public void mediaDurationChanged(MediaPlayer mediaPlayer, long newDuration) {
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logger.log(Level.INFO, "DURATION CHANGED: " + newDuration);
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}
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@Override
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public void mediaFreed(MediaPlayer mediaPlayer) {
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logger.log(Level.INFO, "Media was freed");
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}
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@Override
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public void lengthChanged(MediaPlayer mediaPlayer, long newLength) {
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logger.log(Level.INFO, "LENGTH CHANGED: " + newLength);
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}
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}
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}
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