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minor gstreamer tweaks

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This commit is contained in:
adam-m 2012-09-11 13:25:42 -04:00
parent 373b256058
commit 8f80324fa3
1 changed files with 92 additions and 75 deletions
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55
CoreComponents/src/org/sleuthkit/autopsy/corecomponents/DataContentViewerMedia.java
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@ -58,7 +58,7 @@ public class DataContentViewerMedia extends javax.swing.JPanel implements DataCo
private File currentFile;
private long durationMillis = 0;
private boolean autoTracking = false; // true if the slider is moving automatically
private final Object playbinLock = new Object(); // lock for synchronization
private final Object playbinLock = new Object(); // lock for synchronization of playbin2 player
/**
* Creates new form DataContentViewerVideo
@ -71,11 +71,10 @@ public class DataContentViewerMedia extends javax.swing.JPanel implements DataCo
private void customizeComponents() {
Gst.init();
progressSlider.addChangeListener(new ChangeListener() {
/**
* Should always try to synchronize any call to
* progressSlider.setValue() to avoid a different thread
* changing playbin while stateChanged() is processing
* progressSlider.setValue() to avoid a different thread changing
* playbin while stateChanged() is processing
*/
@Override
public void stateChanged(ChangeEvent e) {
@ -89,7 +88,6 @@ public class DataContentViewerMedia extends javax.swing.JPanel implements DataCo
}
}
}
});
}
@ -159,21 +157,21 @@ public class DataContentViewerMedia extends javax.swing.JPanel implements DataCo
private void pauseButtonActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_pauseButtonActionPerformed
synchronized (playbinLock) {
if(playbin2.getState().equals(State.PLAYING)){
State state = playbin2.getState();
if (state.equals(State.PLAYING)) {
playbin2.pause();
pauseButton.setText("►");
playbin2.setState(State.PAUSED);
} else if(playbin2.getState().equals(State.PAUSED)) {
} else if (state.equals(State.PAUSED)) {
playbin2.play();
pauseButton.setText("||");
playbin2.setState(State.PLAYING);
} else if(playbin2.getState().equals(State.READY)) {
} else if (state.equals(State.READY)) {
ExtractMedia em = new ExtractMedia(currentFile, getJFile(currentFile));
em.execute();
}
}
}//GEN-LAST:event_pauseButtonActionPerformed
// Variables declaration - do not modify//GEN-BEGIN:variables
private javax.swing.JButton pauseButton;
private javax.swing.JLabel progressLabel;
@ -185,10 +183,14 @@ public class DataContentViewerMedia extends javax.swing.JPanel implements DataCo
public void setNode(Node selectedNode) {
reset();
setComponentsVisibility(false);
if(selectedNode == null) { return; }
if (selectedNode == null) {
return;
}
File file = selectedNode.getLookup().lookup(File.class);
if(file == null) { return; }
if (file == null) {
return;
}
currentFile = file;
if (containsExt(file.getName(), IMAGES)) {
@ -200,6 +202,7 @@ public class DataContentViewerMedia extends javax.swing.JPanel implements DataCo
/**
* Initialize vars and display the image on the panel.
*
* @param file
*/
private void showImage(File file) {
@ -233,6 +236,7 @@ public class DataContentViewerMedia extends javax.swing.JPanel implements DataCo
/**
* Initialize all the necessary vars to play a video/audio file.
*
* @param file the File to play
*/
private void setupVideo(File file) {
@ -391,7 +395,9 @@ public class DataContentViewerMedia extends javax.swing.JPanel implements DataCo
ExtractMedia(org.sleuthkit.datamodel.File sFile, java.io.File jFile) {
this.sFile = sFile;
this.jFile = jFile;
};
}
;
@Override
protected Object doInBackground() throws Exception {
@ -438,13 +444,16 @@ public class DataContentViewerMedia extends javax.swing.JPanel implements DataCo
progressLabel.setText("Error buffering file");
return;
}
ClockTime dur = null;
synchronized (playbinLock) {
playbin2.play(); // must play, then pause and get state to get duration.
playbin2.pause();
playbin2.getState();
duration = playbin2.queryDuration().toString();
durationMillis = playbin2.queryDuration().toMillis();
dur = playbin2.queryDuration();
}
duration = dur.toString();
durationMillis = dur.toMillis();
progressSlider.setMaximum((int) durationMillis);
progressSlider.setMinimum(0);
final String finalDuration;
@ -460,17 +469,24 @@ public class DataContentViewerMedia extends javax.swing.JPanel implements DataCo
}
pauseButton.setText("||");
new Thread(new Runnable() {
private boolean isPlayBinReady() {
synchronized (playbinLock) {
return playbin2 != null && playbin2.getState().equals(State.NULL);
}
}
@Override
public void run() {
long positionMillis = 0;
while (positionMillis < durationMillis
&& playbin2 != null
&& !playbin2.getState().equals(State.NULL)) {
&& isPlayBinReady() ) {
ClockTime pos = null;
synchronized (playbinLock) {
position = playbin2.queryPosition().toString();
positionMillis = playbin2.queryPosition().toMillis();
pos = playbin2.queryPosition();
}
position = pos.toString();
positionMillis = pos.toMillis();
if (position.length() == 8) {
position = position.substring(3);
}
@ -480,7 +496,8 @@ public class DataContentViewerMedia extends javax.swing.JPanel implements DataCo
autoTracking = false;
try {
Thread.sleep(20);
} catch (InterruptedException ex) { }
} catch (InterruptedException ex) {
}
}
if (finalDuration.length() == 5) {
progressLabel.setText("00:00/" + finalDuration);