Return to previous menu from video while it is playing

DVD SP 3 I want the person playing my project to be able to terminate his viewing of a video and return to the menu from where he has just come, wherever that is depending on where the viewer is.
Pressing the Return button in the Simulator and also while the (physical) DVD is playing have no effect. The button on the Simulator's remote control is greyed, and while the DVD is playing on a TV a flattened hand symbol appears on the screen. I have tried setting Disc Inspector > General Tab > Remote Control > Return: to "xyz Menu", but no effect, and in any case would not do what I want (please see italics above and below). (I know that nearby in the Disc Inspector I can set the Remote's Menu and Title buttons to go to suitable menus, which helps but ony a very little because the setting is fixed.)
Many DVDs have several long videos and surely there must be a way of terminating, perhaps after a mistake was made in choosing it, or boredom etc. and allowing the viewer to retun to his last menu which will sometimes be two or more depths below "xyz Menu" and different from it and indeed different every time, depending on where he is.
Any ideas please?
G5/2.0 GHz Mac OS X (10.3.9) 1 GB RAM, 150 GB HD, Sony DCR-HC96 mini DV, FCE HD 3.0 DVD SP 3

Steve - Drew has already got this covered, I'm sure... the answer is to use a simple set of scripts. The problem facing any author using multiple menus to access the same basic track asset is how to know which menu to go back to.
On some players, using the menu key will go to the last viewed menu, but not all will work this way - some manufacturers seem to invoke their own practices rather than the spec. guides.
What you do is really quite easy... every time that you send the viewer to a menu (be it the start up menu or whatever) you first of all send them to a script. In the script you set a value into a GPRM and that way you can keep track of where the user came from.
For example, your disc starts with a menu... but you set the first play to go to the following script:
mov GPRM0, 1
Jump Menu1
From the main menu you want to go to a features menu - set the button on menu1 to go to the following script:
mov GPRM0, 2
Jump Menu2
As you can see, GPRM0 (the memory space) has a new value in it. If you want to go back to the main menu from the features menu then set the button on menu2 to go to the first script. This will reset the GPRM value back to '1'.
Now, all you need to do is create a final script which you set to be the menu call and end jump for your track. You do this from the property inspector for the track - use the drop downs for 'Menu' to navigate to your scripts and choose the following script:
Jump Menu1 If (GPRM0 = 1)
Jump Menu2 If (GPRM0 = 2)
Now you have a system in place which will take the user to whatever menu they were last on regardless of anything else. You can expand this system indefinitely to accommodate many more menus, and also build it to send you back to the exact button you were last on as well. It's a flexible system!
Keep in mind that the menu button on your handset is intended to act as a resume function as well - don't fall into the trap of believing you can move from menu to menu by pressing using that handset button more than once - a second press will take you right back to the track you were last watching.

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Hi everyone, when I try to use AVTransmit3.java and Clone.java (example from sun) to see video from webcam while transmitting, an error occur:
{color:#ff0000}+java.lang.NullPointerException+
at com.sun.media.codec.video.colorspace.RGBConverter.process(RGBConverter.java:352)
at com.sun.media.BasicFilterModule.process(BasicFilterModule.java:322)
at com.sun.media.BasicModule.connectorPushed(BasicModule.java:69)
at com.sun.media.BasicOutputConnector.writeReport(BasicOutputConnector.java:120)
at com.sun.media.SourceThread.process(BasicSourceModule.java:655)
at com.sun.media.util.LoopThread.run(LoopThread.java:135){color}
So I'm only able to see in local my captured video, but cannot transmit.
I try to debug JMStudio to find how to do this(monitoring transmitted video), but I'm not able to debug it.
In method private String createProcessor() of AVTransmit3.java I added
//----------------------------------------------------Start
            clone = Manager.createCloneableDataSource(ds);
            if (clone == null) {
                System.err.println("Cannot clone the given DataSource");
                System.exit(0);
            Clone cloneV = new Clone();
            if (!cloneV.open(clone))
                System.exit(0);
//----------------------------------------------------End
     return null;
    }This is the clone.java from sun
/* Clone.java
* To change this template, choose Tools | Templates
* and open the template in the editor.
*import java.awt.*;
import javax.media.*;
import javax.media.protocol.DataSource;
public class Clone extends Frame implements ControllerListener {
    Player p;
    Object waitSync = new Object();
    boolean stateTransitionOK = true;
     * Given a DataSource, create a player and use that player
     * as a player to playback the media.
    public boolean open(DataSource ds) {
     System.err.println("create player for: " + ds.getContentType());
     try {
         p = Manager.createPlayer(ds);
     } catch (Exception e) {
         System.err.println("Failed to create a player from the given DataSource: " + e);
         return false;
     p.addControllerListener(this);
     // Realize the player.
     p.prefetch();
     if (!waitForState(p.Prefetched)) {
         System.err.println("Failed to realize the player.");
         return false;
     // Display the visual & control component if there's one.
     setLayout(new BorderLayout());
//     Component cc;
     Component vc;
     if ((vc = p.getVisualComponent()) != null) {
            vc.setSize(176, 144);
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//     if ((cc = p.getControlPanelComponent()) != null) {
//         add("South", cc);
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         synchronized (waitSync) {
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          waitSync.notifyAll();
     } else if (evt instanceof EndOfMediaEvent) {
         p.close();
         //System.exit(0);
     } else if (evt instanceof SizeChangeEvent) {
}Please can you tell me what is wrong?
thank you in advance

I post all the class I use in this project.
Copy and create your own project (SERVER side)
Then on other pc (CLIENT side) run JMStudio and open RTP transmission: you will receive data but on server you will have a black window.
I've modified only AVtransmit3.java -> look at Main() and modify dest-ip and port.
JFrameMain is a class with a button to close the application.
* @(#)AVTransmit3.java     1.2 01/03/13
* Copyright (c) 1999-2001 Sun Microsystems, Inc. All Rights Reserved.
* Sun grants you ("Licensee") a non-exclusive, royalty free, license to use,
* modify and redistribute this software in source and binary code form,
* provided that i) this copyright notice and license appear on all copies of
* the software; and ii) Licensee does not utilize the software in a manner
* which is disparaging to Sun.
* This software is provided "AS IS," without a warranty of any kind. ALL
* EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND WARRANTIES, INCLUDING ANY
* IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE OR
* NON-INFRINGEMENT, ARE HEREBY EXCLUDED. SUN AND ITS LICENSORS SHALL NOT BE
* LIABLE FOR ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING
* OR DISTRIBUTING THE SOFTWARE OR ITS DERIVATIVES. IN NO EVENT WILL SUN OR ITS
* LICENSORS BE LIABLE FOR ANY LOST REVENUE, PROFIT OR DATA, OR FOR DIRECT,
* INDIRECT, SPECIAL, CONSEQUENTIAL, INCIDENTAL OR PUNITIVE DAMAGES, HOWEVER
* CAUSED AND REGARDLESS OF THE THEORY OF LIABILITY, ARISING OUT OF THE USE OF
* OR INABILITY TO USE SOFTWARE, EVEN IF SUN HAS BEEN ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGES.
* This software is not designed or intended for use in on-line control of
* aircraft, air traffic, aircraft navigation or aircraft communications; or in
* the design, construction, operation or maintenance of any nuclear
* facility. Licensee represents and warrants that it will not use or
* redistribute the Software for such purposes.
import java.awt.*;
import java.io.*;
import java.net.InetAddress;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.media.*;
import javax.media.protocol.*;
import javax.media.protocol.DataSource;
import javax.media.format.*;
import javax.media.control.TrackControl;
import javax.media.control.QualityControl;
import javax.media.rtp.*;
import javax.media.rtp.rtcp.*;
import com.sun.media.rtp.*;
import java.util.Vector;
public class AVTransmit3 {
    // Input MediaLocator
    // Can be a file or http or capture source
    private MediaLocator locator;
    private String ipAddress;
    private int portBase;
    private Processor processor = null;
    private RTPManager rtpMgrs[];
    private DataSource dataOutput = null;
    private static boolean v = false;
     private static DataSource ds = null;
        private static DataSource clone;
     private static DataSource cloned;
    private String VFORMAT = "h263/rtp";
    private String AFORMAT = "mpegaudio/rtp";
    public AVTransmit3(MediaLocator locator,
                String ipAddress,
                String pb,
                Format format) {
     this.locator = locator;
     this.ipAddress = ipAddress;
     Integer integer = Integer.valueOf(pb);
     if (integer != null)
         this.portBase = integer.intValue();
     * Starts the transmission. Returns null if transmission started ok.
     * Otherwise it returns a string with the reason why the setup failed.
    public synchronized String start() {
     String result;
     // Create a processor for the specified media locator
     // and program it to output JPEG/RTP
     result = createProcessor();
     if (result != null)
         return result;
     // Create an RTP session to transmit the output of the
     // processor to the specified IP address and port no.
     result = createTransmitter();
     if (result != null) {
         processor.close();
         processor = null;
         return result;
     // Start the transmission
     processor.start();
     return null;
     * Stops the transmission if already started
    public void stop() {
     synchronized (this) {
         if (processor != null) {
          processor.stop();
          processor.close();
          processor = null;
          for (int i = 0; i < rtpMgrs.length; i++) {
              rtpMgrs.removeTargets( "Session ended.");
          rtpMgrs[i].dispose();
private String createProcessor() {
     if (locator == null)
     return "Locator is null";
     try {
     ds = javax.media.Manager.createDataSource(locator);
     } catch (Exception e) {
     return "Couldn't create DataSource";
     // Try to create a processor to handle the input media locator
     try {
     processor = javax.media.Manager.createProcessor(ds);
     } catch (NoProcessorException npe) {
     return "Couldn't create processor";
     } catch (IOException ioe) {
     return "IOException creating processor";
     // Wait for it to configure
     boolean result = waitForState(processor, Processor.Configured);
     if (result == false)
     return "Couldn't configure processor";
     // Get the tracks from the processor
     TrackControl [] tracks = processor.getTrackControls();
     // Do we have atleast one track?
     if (tracks == null || tracks.length < 1)
     return "Couldn't find tracks in processor";
     // Set the output content descriptor to RAW_RTP
     // This will limit the supported formats reported from
     // Track.getSupportedFormats to only valid RTP formats.
     ContentDescriptor cd = new ContentDescriptor(ContentDescriptor.RAW_RTP);
     processor.setContentDescriptor(cd);
     Format supported[];
     Format chosen = null;
     boolean atLeastOneTrack = false;
     // Program the tracks.
     for (int i = 0; i < tracks.length; i++)
AudioFormat aFormat = new AudioFormat(AFORMAT, 22050.00, 16, 1);
     Format format = tracks[i].getFormat();
     if (tracks[i].isEnabled())
          supported = tracks[i].getSupportedFormats();
          // We've set the output content to the RAW_RTP.
          // So all the supported formats should work with RTP.
          // We'll just pick the first one.
          if (supported.length > 0)
for(int k = 0; k < supported.length; k++)
if ((supported[k] instanceof VideoFormat) &&
(supported[k].getEncoding().equalsIgnoreCase(VFORMAT)))
// For video formats, we should double check the
// sizes since not all formats work in all sizes.
// Choose the H263rtp
chosen = checkForVideoSizes(tracks[i].getFormat(), supported[k]);
v = true;
break;
else if ((supported[k] instanceof AudioFormat) &&
(supported[k].matches(aFormat)))
// For audio formats
// Choose the H263rtp
// chosen = supported[3];
chosen = supported[k];
v = false;
break;
          tracks[i].setFormat(chosen);
          System.err.println("Track " + i + " is set to transmit as:");
          System.err.println(" " + chosen);
          atLeastOneTrack = true;
          } else
          tracks[i].setEnabled(false);
     } else
          tracks[i].setEnabled(false);
     if (!atLeastOneTrack)
     return "Couldn't set any of the tracks to a valid RTP format";
     // Realize the processor. This will internally create a flow
     // graph and attempt to create an output datasource for JPEG/RTP
     // audio frames.
     result = waitForState(processor, Controller.Realized);
     if (result == false)
     return "Couldn't realize processor";
     // Set the JPEG quality to .5.
     setJPEGQuality(processor, 0.5f);
     // Get the output data source of the processor
     dataOutput = processor.getDataOutput();
     return null;
* Use the RTPManager API to create sessions for each media
* track of the processor.
private String createTransmitter() {
     // Cheated. Should have checked the type.
     PushBufferDataSource pbds = (PushBufferDataSource)dataOutput;
     PushBufferStream pbss[] = pbds.getStreams();
     rtpMgrs = new RTPManager[pbss.length];
     SendStream sendStream;
     int port;
     SourceDescription srcDesList[];
     for (int i = 0; i < pbss.length; i++) {
     try {
          rtpMgrs[i] = RTPManager.newInstance();
          port = portBase + 2*i;
          // Initialize the RTPManager with the RTPSocketAdapter
          rtpMgrs[i].initialize(new RTPSocketAdapter(
                         InetAddress.getByName(ipAddress),
                         port));
          System.err.println( "Created RTP session: " + ipAddress + " " + port);
          sendStream = rtpMgrs[i].createSendStream(dataOutput, i);
          sendStream.start();
     } catch (Exception e) {
          return e.getMessage();
     return null;
* For JPEG and H263, we know that they only work for particular
* sizes. So we'll perform extra checking here to make sure they
* are of the right sizes.
Format checkForVideoSizes(Format original, Format supported) {
     int width, height;
     Dimension size = ((VideoFormat)original).getSize();
     Format jpegFmt = new Format(VideoFormat.JPEG_RTP);
     Format h263Fmt = new Format(VideoFormat.H263_RTP);
     if (supported.matches(jpegFmt)) {
     // For JPEG, make sure width and height are divisible by 8.
     width = (size.width % 8 == 0 ? size.width :
                    (int)(size.width / 8) * 8);
     height = (size.height % 8 == 0 ? size.height :
                    (int)(size.height / 8) * 8);
     } else if (supported.matches(h263Fmt)) {
     // For H.263, we only support some specific sizes.
     if (size.width < 128) {
          width = 128;
          height = 96;
     } else if (size.width < 176) {
          width = 176;
          height = 144;
     } else {
///mod          width = 352;
width = 176;
///mod          height = 288;
height = 144;
     } else {
     // We don't know this particular format. We'll just
     // leave it alone then.
     return supported;
     return (new VideoFormat(null,
                    new Dimension(width, height),
                    Format.NOT_SPECIFIED,
                    null,
                    Format.NOT_SPECIFIED)).intersects(supported);
* Setting the encoding quality to the specified value on the JPEG encoder.
* 0.5 is a good default.
void setJPEGQuality(Player p, float val) {
     Control cs[] = p.getControls();
     QualityControl qc = null;
     VideoFormat jpegFmt = new VideoFormat(VideoFormat.JPEG);
     // Loop through the controls to find the Quality control for
     // the JPEG encoder.
     for (int i = 0; i < cs.length; i++) {
     if (cs[i] instanceof QualityControl &&
          cs[i] instanceof Owned) {
          Object owner = ((Owned)cs[i]).getOwner();
          // Check to see if the owner is a Codec.
          // Then check for the output format.
          if (owner instanceof Codec) {
          Format fmts[] = ((Codec)owner).getSupportedOutputFormats(null);
          for (int j = 0; j < fmts.length; j++) {
               if (fmts[j].matches(jpegFmt)) {
               qc = (QualityControl)cs[i];
               qc.setQuality(val);
               System.err.println("- Setting quality to " +
                         val + " on " + qc);
               break;
          if (qc != null)
          break;
* Convenience methods to handle processor's state changes.
private Integer stateLock = new Integer(0);
private boolean failed = false;
Integer getStateLock() {
     return stateLock;
void setFailed() {
     failed = true;
private synchronized boolean waitForState(Processor p, int state) {
     p.addControllerListener(new StateListener());
     failed = false;
     // Call the required method on the processor
     if (state == Processor.Configured) {
     p.configure();
     } else if (state == Processor.Realized) {
     p.realize();
     // Wait until we get an event that confirms the
     // success of the method, or a failure event.
     // See StateListener inner class
     while (p.getState() < state && !failed) {
     synchronized (getStateLock()) {
          try {
          getStateLock().wait();
          } catch (InterruptedException ie) {
          return false;
     if (failed)
     return false;
     else
     return true;
* Inner Classes
class StateListener implements ControllerListener {
     public void controllerUpdate(ControllerEvent ce) {
     // If there was an error during configure or
     // realize, the processor will be closed
     if (ce instanceof ControllerClosedEvent)
          setFailed();
     // All controller events, send a notification
     // to the waiting thread in waitForState method.
     if (ce instanceof ControllerEvent) {
          synchronized (getStateLock()) {
          getStateLock().notifyAll();
* Sample Usage for AVTransmit3 class
public static void main(String [] args) {
     Format fmt = null;
     int i = 0;
String title = "Video";
AVTransmit3 at = new AVTransmit3(new MediaLocator("vfw://0"),
                         "192.168.0.5", "44350", fmt);
//View GUI
JFrameMain jfm = new JFrameMain(at);
jfm.setVisible(true);
jfm.setTitle(title);
if(title.equals("Video"))
jfm.setLocation(jfm.getX()+180, jfm.getY());
     // Start the transmission
     String result = at.start();
     // result will be non-null if there was an error. The return
     // value is a String describing the possible error. Print it.
     if (result != null) {
     System.err.println("Error : " + result);
     System.exit(0);
     System.err.println("Start transmission...");
try {
Thread.sleep(2000);
} catch (InterruptedException ex) {
Logger.getLogger(AVTransmit3.class.getName()).log(Level.SEVERE, null, ex);
if(v)
//----------------------------------------------------Start
/* Get a clonable version of our datasource */
clone = Manager.createCloneableDataSource(ds);
/* Make sure we got a clonable version before we try to clone it */
if (clone == null) {
System.err.println("Cannot get a clonable version of the datasource");
System.exit(0);
/* Create the clone of our original datasource */
DataSource dsClone = ((SourceCloneable)clone).createClone();
/* Make our DS variable a clone too */
ds = ((SourceCloneable)clone).createClone();
/* Make sure the clone happened successfully */
if (dsClone == null) {
System.err.println("Could not clone our datasource");
System.exit(0);
/* Make sure the clone happened successfully */
if (ds == null) {
System.err.println("Could not clone our datasource");
System.exit(0);
/* Create a new Clone class */
Clone cloneV = new Clone();
/* Open our clone class with our datasource clone */
if (! cloneV.open(dsClone))
System.exit(0);
//----------------------------------------------------End
/* Clone.java
* To change this template, choose Tools | Templates
* and open the template in the editor.
import java.awt.*;
import javax.media.*;
import javax.media.protocol.DataSource;
public class Clone extends Frame implements ControllerListener {
Player p;
Object waitSync = new Object();
boolean stateTransitionOK = true;
* Given a DataSource, create a player and use that player
* as a player to playback the media.
public boolean open(DataSource ds) {
     System.err.println("create player for: " + ds.getContentType());
     try {
     p = Manager.createPlayer(ds);
     } catch (Exception e) {
     System.err.println("Failed to create a player from the given DataSource: " + e);
     return false;
     p.addControllerListener(this);
     // Realize the player.
     p.prefetch();
     if (!waitForState(p.Prefetched)) {
     System.err.println("Failed to realize the player.");
     return false;
     // Display the visual & control component if there's one.
     setLayout(new BorderLayout());
//     Component cc;
     Component vc;
     if ((vc = p.getVisualComponent()) != null) {
vc.setSize(176, 144);
     add("Center", vc);
//     if ((cc = p.getControlPanelComponent()) != null) {
//     add("South", cc);
     // Start the player.
     p.start();
this.setSize(176, 144);
     setVisible(true);
     return true;
public void addNotify() {
     super.addNotify();
     pack();
* Block until the player has transitioned to the given state.
* Return false if the transition failed.
boolean waitForState(int state) {
     synchronized (waitSync) {
     try {
          while (p.getState() < state && stateTransitionOK)
          waitSync.wait();
     } catch (Exception e) {}
     return stateTransitionOK;
* Controller Listener.
public void controllerUpdate(ControllerEvent evt) {
     if (evt instanceof ConfigureCompleteEvent ||
     evt instanceof RealizeCompleteEvent ||
     evt instanceof PrefetchCompleteEvent) {
     synchronized (waitSync) {
          stateTransitionOK = true;
          waitSync.notifyAll();
     } else if (evt instanceof ResourceUnavailableEvent) {
     synchronized (waitSync) {
          stateTransitionOK = false;
          waitSync.notifyAll();
     } else if (evt instanceof EndOfMediaEvent) {
     p.close();
     //System.exit(0);
     } else if (evt instanceof SizeChangeEvent) {
* JFrameMain.java
* Created on 23 maggio 2008, 17.28
* @author Giovanni
public class JFrameMain extends javax.swing.JFrame {
/** Creates new form JFrameMain */
public JFrameMain(AVTransmit3 avt) {
avTransmit = avt;
initComponents();
/** This method is called from within the constructor to
* initialize the form.
* WARNING: Do NOT modify this code. The content of this method is
* always regenerated by the Form Editor.
// <editor-fold defaultstate="collapsed" desc="Generated Code">
private void initComponents() {
jButtonFine = new javax.swing.JButton();
setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);
setResizable(false);
jButtonFine.setText("Fine Trasmissione");
jButtonFine.addMouseListener(new java.awt.event.MouseAdapter() {
public void mousePressed(java.awt.event.MouseEvent evt) {
jButtonFineMousePressed(evt);
javax.swing.GroupLayout layout = new javax.swing.GroupLayout(getContentPane());
getContentPane().setLayout(layout);
layout.setHorizontalGroup(
layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(layout.createSequentialGroup()
.addContainerGap()
.addComponent(jButtonFine, javax.swing.GroupLayout.DEFAULT_SIZE, 124, Short.MAX_VALUE)
.addContainerGap())
layout.setVerticalGroup(
layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(layout.createSequentialGroup()
.addContainerGap()
.addComponent(jButtonFine, javax.swing.GroupLayout.DEFAULT_SIZE, 32, Short.MAX_VALUE)
.addContainerGap())
setBounds(600, 110, 160, 90);
}// </editor-fold>
private void jButtonFineMousePressed(java.awt.event.MouseEvent evt) {
avTransmit.stop();
System.exit(0);
* @param args the command line arguments
public static void main(String args[]) {
java.awt.EventQueue.invokeLater(new Runnable() {
public void run() {
// new JFrameMain().setVisible(true);
// Variables declaration - do not modify
private javax.swing.JButton jButtonFine;
// End of variables declaration
private AVTransmit3 avTransmit = null;
* @(#)RTPSocketAdapter.java     1.2 01/03/13
* Copyright (c) 1999-2001 Sun Microsystems, Inc. All Rights Reserved.
* Sun grants you ("Licensee") a non-exclusive, royalty free, license to use,
* modify and redistribute this software in source and binary code form,
* provided that i) this copyright notice and license appear on all copies of
* the software; and ii) Licensee does not utilize the software in a manner
* which is disparaging to Sun.
* This software is provided "AS IS," without a warranty of any kind. ALL
* EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND WARRANTIES, INCLUDING ANY
* IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE OR
* NON-INFRINGEMENT, ARE HEREBY EXCLUDED. SUN AND ITS LICENSORS SHALL NOT BE
* LIABLE FOR ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING
* OR DISTRIBUTING THE SOFTWARE OR ITS DERIVATIVES. IN NO EVENT WILL SUN OR ITS
* LICENSORS BE LIABLE FOR ANY LOST REVENUE, PROFIT OR DATA, OR FOR DIRECT,
* INDIRECT, SPECIAL, CONSEQUENTIAL, INCIDENTAL OR PUNITIVE DAMAGES, HOWEVER
* CAUSED AND REGARDLESS OF THE THEORY OF LIABILITY, ARISING OUT OF THE USE OF
* OR INABILITY TO USE SOFTWARE, EVEN IF SUN HAS BEEN ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGES.
* This software is not designed or intended for use in on-line control of
* aircraft, air traffic, aircraft navigation or aircraft communications; or in
* the design, construction, operation or maintenance of any nuclear
* facility. Licensee represents and warrants that it will not use or
* redistribute the Software for such purposes.
import java.io.IOException;
import java.net.InetAddress;
import java.net.DatagramSocket;
import java.net.MulticastSocket;
import java.net.DatagramPacket;
import java.net.SocketException;
import javax.media.protocol.DataSource;
import javax.media.protocol.PushSourceStream;
import javax.media.protocol.ContentDescriptor;
import javax.media.protocol.SourceTransferHandler;
import javax.media.rtp.RTPConnector;
import javax.media.rtp.OutputDataStream;
* An implementation of RTPConnector based on UDP sockets.
public class RTPSocketAdapter implements RTPConnector {
DatagramSocket dataSock;
DatagramSocket ctrlSock;
InetAddress addr;
int port;
SockInputStream dataInStrm = null, ctrlInStrm = null;
SockOutputStream dataOutStrm = null, ctrlOutStrm = null;
public RTPSocketAdapter(InetAddress addr, int port) throws IOException {
     this(addr, port, 1);
public RTPSocketAdapter(InetAddress addr, int port, int ttl) throws IOException {
     try {
     if (addr.isMulticastAddress()) {
          dataSock = new MulticastSocket(port);
          ctrlSock = new MulticastSocket(port+1);
          ((MulticastSocket)dataSock).joinGroup(addr);
          ((MulticastSocket)dataSock).setTimeToLive(ttl);
          ((MulticastSocket)ctrlSock).joinGroup(addr);
          ((MulticastSocket)ctrlSock).setTimeToLive(ttl);
     } else {
          dataSock = new DatagramSocket(port, InetAddress.getLocalHost());
          ctrlSock = new DatagramSocket(port+1, InetAddress.getLocalHost());
     } catch (SocketException e) {
     throw new IOException(e.getMessage());
     this.addr = addr;
     this.port = port;
* Returns an input stream to receive the RTP data.
public PushSourceStream getDataInputStream() throws IOException {
     if (dataInStrm == null) {
     dataInStrm = new SockInputStream(dataSock, addr, port);
     dataInStrm.start();
     return dataInStrm;
* Returns an output stream to send the RTP data.
public OutputDataStream getDataOutputStream() throws IOException {
     if (dataOutStrm == null)
     dataOutStrm = new SockOutputStream(dataSock, addr, port);
     return dataOutStrm;
* Returns an input stream to receive the RTCP data.
public PushSourceStream getControlInputStream() throws IOException {
     if (ctrlInStrm == null) {
     ctrlInStrm = new SockInputStream(ctrlSock, addr, port+1);
     ctrlInStrm.start();
     return ctrlInStrm;
* Returns an output stream to send the RTCP data.
public OutputDataStream getControlOutputStream() throws IOException {
     if (ctrlOutStrm == null)
     ctrlOutStrm = new SockOutputStream(ctrlSock, addr, port+1);
     return ctrlOutStrm;
* Close all the RTP, RTCP streams.
public void close() {
     if (dataInStrm != null)
     dataInStrm.kill();
     if (ctrlInStrm != null)
     ctrlInStrm.kill();
     dataSock.close();
     ctrlSock.close();
* Set the receive buffer size of the RTP data channel.
* This is only a hint to the implementation. The actual implementation
* may not be able to do anything to this.
public void setReceiveBufferSize( int size) throws IOException {
     dataSock.setReceiveBufferSize(size);
* Get the receive buffer size set on the RTP data channel.
* Return -1 if the receive buffer size is not applicable for
* the implementation.
public int getReceiveBufferSize() {
     try {
     return dataSock.getReceiveBufferSize();
     } catch (Exception e) {
     return -1;
* Set the send buffer size of the RTP data channel.
* This is only a hint to the implementation. The actual implementation
* may not be able to do anything to this.
public void setSendBufferSize( int size) throws IOException {
     dataSock.setSendBufferSize(size);
* Get the send buffer size set on the RTP data channel.
* Return -1 if the send buffer size is not applicable for
* the implementation.
public int getSendBufferSize() {
     try {
     return dataSock.getSendBufferSize();
     } catch (Exception e) {
     return -1;
* Return the RTCP bandwidth fraction. This value is used to
* initialize the RTPManager. Check RTPManager for more detauls.
* Return -1 to use the default values.
public double getRTCPBandwidthFraction() {
     return -1;
* Return the RTCP sender bandwidth fraction. This value is used to
* initialize the RTPManager. Check RTPManager for more detauls.
* Return -1 to use the default values.
public double getRTCPSenderBandwidthFraction() {
     return -1;
* An inner class to implement an OutputDataStream based on UDP sockets.
class SockOutputStream implements OutputDataStream {
     DatagramSocket sock;
     InetAddress addr;
     int port;
     public SockOutputStream(DatagramSocket sock, InetAddress addr, int port) {
     this.sock = sock;
     this.addr = addr;
     this.port = port;
     public int write(byte data[], int offset, int len) {
     try {
          sock.send(new DatagramPacket(data, offset, len, addr, port));
     } catch (Exception e) {
          return -1;
     return len;
* An inner class to implement an PushSourceStream based on UDP sockets.
class SockInputStream extends Thread implements PushSourceStream {
     DatagramSocket sock;
     InetAddress addr;
     int port;
     boolean done = false;
     boolean dataRead = false;
     SourceTransferHandler sth = null;
     public SockInputStream(DatagramSocket sock, InetAddress addr, int port) {
     this.sock = sock;
     this.addr = addr;
     this.port = port;
     public int read(byte buffer[], int offset, int length) {
     DatagramPacket p = new DatagramPacket(buffer, offset, length, addr, port);
     try {
          sock.receive(p);
     } catch (IOException e) {
          return -1;
     synchronized (this) {
          dataRead = true;
          notify();
     return p.getLength();
     public synchronized void start() {
     super.start();
     if (sth != null) {
          dataRead = true;
          notify();
     public synchronized void kill() {
     done = true;
     notify();
     public int getMinimumTransferSize() {
     return 2 * 1024;     // twice the MTU size, just to be safe.
     public synchronized void setTransferHandler(SourceTransferHandler sth) {
     this.sth = sth;
     dataRead = true;
     notify();
     // Not applicable.
     public ContentDescriptor getContentDescriptor() {
     return null;
     // Not applicable.
     public long getContentLength() {
     return LENGTH_UNKNOWN;
     // Not applicable.
     public boolean endOfStream() {
     return false;
     // Not applicable.
     public Object[] getControls() {
     return new Object[0];
     // Not applicable.
     public Object getControl(String type) {
     return null;
     * Loop and notify the transfer handler of new data.
     public void run() {
     while (!done) {
          synchronized (this) {
          while (!dataRead && !done) {
               try {
               wait();
               } catch (InterruptedException e) { }
          dataRead = false;
          if (sth != null && !done) {
          sth.transferData(this);

I imported some 24P HD videos from my DSLR to Aperture but these videos do not show up in iMovie '09 for editing purposes. Although my previous 24P HD Videos from iPhoto '09 show up. Why can't I access these videos stored in Aperture library?

I imported some 24P HD videos from my DSLR to Aperture but these videos do not show up in iMovie '09 for editing purposes. Although my previous 24P HD Videos from iPhoto '09 show up. Why can't I access these videos stored in Aperture library? I assumed that like the videos in iPhoto, I would be able to access the videos in Aperture through iMovie. Come on Apple! I am starting to get frustrated with your products here. And this is saying a lot when I have been using and loving apple products for the last 4 years.

Hi. My camera is a Canon 600D. And yes my videos are stored in the Aperture library and they are not referenced. Even then I tried to select all the videos in Aperture and clicked 'consolidate masters' and there was a messge that said all 'none of the files are referenced',... so they didn't need consolidating.
I also tried preferences> export> external video editor > choose > iMovie. And then right click on the video to edit with imovie. Even then the video didn't show up in iMovie. It seems like the only option for me is to import the videos directly to iMovie which means there will be two versions of the same file stored in my computer eating up space.
APPLE. What are you doing?

ITunes 11 previously imported a video file, which I loaded on to my iPod Nano, but I removed the file from the iTunes library and now it won't (re-)import the same video. Any thoughts on why not?

iTunes 11 previously imported a video file, which I loaded on to my iPod Nano, but I removed the file from the iTunes library and now it won't (re-)import the same video.
I'm using 2 PCs, each with video files (.MP4) on their respective hard drives, and also one external drive with other video files on that I move between the two devices.
iTunes on one PC will (sometimes!) let me add video content from the external hard drive, which is clearly iTunes-compatible, because I can then copy it over to my iPod Nano. On the other PC, I couldn't load that same video from the external hard drive. But if I copied that same video on to the PC's internal hard drive first, then iTunes would let me import it. That was yesterday - now iTunes is refusing to load any files from the internal or external hard drive(s).
Any thoughts or suggestions, please?

So I tried copying the files from the external hard drive to a USB drive. I could import the video files from the USB drive!
So then I tried importing the same files on to my PC's internal hard drive again. I could import the video files from the internal hard drive!
So then I tried to import the very same files that failed to load on the very same PC previously. I could now import them!
I still can't import from the external hard drive directly, though.
I really don't think I like the process of importing things into iTunes very much... any suggestions on what's causing any of this behaviour would be very interesting.

I have bought an itunes card from germany while my apple id is registerd in the uk, can i return the card to the apple store in germany and get my money back ?

I have bought an itunes card from germany while my apple id is registerd in the uk, can i return the card to the apple store in germany and get my money back ?

You will have to contact the Apple Store you bought the card from and ask, but if you scratched off the coating to expose the redemption code, then no, they won't take it back.
Regards.

Removing menu from Flash video in Dreamweaver

I have used the Flash Encoder to convert some videos to FLA.
I am now using Dreamweaver, "Insert->Flash Video", to add a FLA
file to a web page. I got the video in fine and it plays on the
page just fine. I would like to remove the menu from the video, but
there is not an option in properties to select "none" for the flash
video menu. I also tried changing the attirbute
"&skinName=SteelExternalNoVol" to "&skinName=none" and that
made the flash video not show up.
I would also like to loop the video and that option is not
available in the Dreamweaver menu.
My code is
<script type="text/javascript">
AC_FL_RunContent( 'codebase','
http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=8,0,0,0','widt h','375','height','250','id','FLVPlayer','src','FLVPlayer_Progressive','flashvars','&MM_Co mponentVersion=1&skinName=SteelExternalNoVol&streamName=portfolio/videos/3d_graphics&autoP lay=true&autoRewind=true','quality','high','scale','noscale','name','FLVPlayer','salign',' lt','pluginspage','http://www.macromedia.com/go/getflashplayer','movie','FLVPlayer_Progres sive','wmode','transparent'
); //end AC code
</script>
<noscript>
<object
classid="clsid:D27CDB6E-AE6D-11cf-96B8-444553540000" codebase="
http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=8,0,0,0"
width="375" height="250" id="FLVPlayer">
<param name="movie" value="FLVPlayer_Progressive.swf"
/>
<param name="salign" value="lt" />
<param name="quality" value="high" />
<param name="wmode" value="transparent" />
<param name="scale" value="noscale" />
<param name="FlashVars"
value="&MM_ComponentVersion=1&skinName=SteelExternalNoVol&streamName=portfolio/videos/3d_ graphics&autoPlay=true&autoRewind=true"
/>
<embed src="FLVPlayer_Progressive.swf"
flashvars="&MM_ComponentVersion=1&skinName=SteelExternalNoVol&streamName=portfolio/videos /3d_graphics&autoPlay=true&autoRewind=true"
quality="high" scale="noscale" width="375" height="250"
name="FLVPlayer" salign="LT" type="application/x-shockwave-flash"
pluginspage="
http://www.macromedia.com/go/getflashplayer"
/>
</object>
</noscript>

Could someone tell me if I should be able to add parameters
to this code and get results. I have found mention of values like
<param name="loop" value="true" />
but when I used it nothing changed on playback.

I also have the same issue..whenever i turn the 60 fps mode on the camera freezes while switching from video to any other mode...does everyone have the same issue?

My 6 plus camera freezes while switching from video to other modes after 60 fps is enabled....does everyone else have the same issue?

Yup, i have the same issue, i reported this with apple and there is ticket opened for me with
the engineering section. more that month still not solved. I was hope after update to IOS 8.1.3 to fix!
But not fixed yet.
YOu should to report also with apple bro.

Is it possible to play audio from video in the background while using a different app?

I would like to be ale to play audio from a video file in videos (or av player hd) in the background whie using a diffent app in my iPad 2. (ie watching a video while taking notes on the content or highlighting an e-textbook).
Is this possible? Either through the original iPad functionality or by downloading a separate app?
Thanks,
mji

Is it important that the music come from a video, or are you just looking to listen to music in the background, while doing something else. If the later, you can certainly play music from the Music App, Pandora, or iHeart Radio, etc., and with the music playing, tap your home button to go to your home page and open anything else you want and the music will continue.
I don't have any videos to try out right now, but you try the same thing out and if the music continues, it works. If it doesn't, it doesn't.

Removing menu from Flash video

I am using Dreamweaver to add a fla file to a web page. I got
the video in fine and it plays on the page just fine. I would like
to remove the menu from the video, but there is not an option in
properties to select none for the flash video menu. I also tried
changing the attirbute "&skinName=SteelExternalNoVol" to
"&skinName=none" and that made the flash video not show up.
thanks
Allen

I have left the question in the Flash forum for almost a
week, but not even a "Hey get a book and a clue"
I am posting it back in Dreamweaver to see if someone has any
ideas. Right now I just would like to loop the video. I found a
small menu that is not too obstructive.
I have used the Flash Encoder to convert some videos to FLA.
I am now using Dreamweaver, "Insert->Flash Video", to add a FLA
file to a web page. I got the video in fine and it plays on the
page just fine. I would like to remove the menu from the video, but
there is not an option in properties to select "none" for the flash
video menu. I also tried changing the attirbute
"&skinName=SteelExternalNoVol" to "&skinName=none" and that
made the flash video not show up.
I would also like to loop the video and that option is not
available in the Dreamweaver menu.
My code is
<script type="text/javascript">
AC_FL_RunContent( 'codebase','
http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=8,0,0,0','widt h','375','height','250','id','FLVPlayer','src','FLVPlayer_Progressive','flashvars','&MM_Co mponentVersion=1&skinName=SteelExternalNoVol&streamName=portfolio/videos/3d_graphics&autoP lay=true&autoRewind=true','quality','high','scale','noscale','name','FLVPlayer','salign',' lt','pluginspage','http://www.macromedia.com/go/getflashplayer','movie','FLVPlayer_Progres sive','wmode','transparent'
); //end AC code
</script>
<noscript>
<object
classid="clsid:D27CDB6E-AE6D-11cf-96B8-444553540000" codebase="
http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=8,0,0,0"
width="375" height="250" id="FLVPlayer">
<param name="movie" value="FLVPlayer_Progressive.swf"
/>
<param name="salign" value="lt" />
<param name="quality" value="high" />
<param name="wmode" value="transparent" />
<param name="scale" value="noscale" />
<param name="FlashVars"
value="&MM_ComponentVersion=1&skinName=SteelExternalNoVol&streamName=portfolio/videos/3d_ graphics&autoPlay=true&autoRewind=true"
/>
<embed src="FLVPlayer_Progressive.swf"
flashvars="&MM_ComponentVersion=1&skinName=SteelExternalNoVol&streamName=portfolio/videos /3d_graphics&autoPlay=true&autoRewind=true"
quality="high" scale="noscale" width="375" height="250"
name="FLVPlayer" salign="LT" type="application/x-shockwave-flash"
pluginspage="
http://www.macromedia.com/go/getflashplayer"
/>
</object>
</noscript>

Why does Quicktime tell me it can't play certain videos created with my Phantom 2 v3 drone ? I fly it and switch back and forth from video to still pics and while I may have filmed four videos sometimes Quicktime tells me that one of them can't be pl

Why does Quicktime tell me it can't play certain videos created with my Phantom 2 v3 drone ? I fly the drone and switch back and forth from video to still pics and while I may have filmed four videos , sometimes Quicktime tells me that one of them can't be played . Checking the info shows that each of the unplayed videos was saved in the same mp4 format as the playable ones yet some of my most important videos won't play . It's getting very frustrating .

first; I use Perian, that helps even though it is no longer supported, (must have for avi files)
the apple-cores at apple have gotten very sloppy -- quicktime is a bit finicky and flakey.
example,   occasionally (when copy file from quad's card to hard drive) the avi will show up as a 'mov' file and qt plays it no problem and no conversion.
but that is very occasionally, most of the time qt won't convert the file,   -- iMovie won't open an avi without Perian installed , I don't know how that effects qt.
qt 7"pro" is no good either, (qt 10 does everything it does and for NOT the extra $35)
I have gone to VLC and MPlayerX for direct playback for drones and cameras.

Return to previous menu from video while it is playing

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