Pausing the audio and video together using the skin

Hello,
I have coverted some avi files to flv and brought them into
captivate. The video itself has no audio associated with it. I used
Cp4 to record the audio and everything seems to be fine. What I
want to be able to do is use one of the video skins and be able to
pause both the audio and the video. Right now the video pauses, but
the audio continues.
Any ideas on how to do this?
Thanks,

Welcome to the Apple Community.
Which videos are you trying to play, video shot with the iPhone will stream using AirPlay without the need for other third party Apps.

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DO i need some extra hardware interface for receving both Audio and video

hi i m doing e-learning project. i have to capture video from webcam and voice from headphone and send to client.
but my code is working fine for either one at a time.
DO i need some extra hardware interface for receving both Audio and video. im using code AVTransmit and AVReceive found from this site only
After running TX
i give Dsound:// & vfw://0 in Media Locater only sound is received and no vedio
and when i give vfw://0 in Media Locater only live video is transmited.
im using JMF1.1.2e.
if any one know the method to run or cause of it plz reply me soon. i will be very thankfull
transmiter/server side code .first run TX on server
import java.io.*;
import java.awt.*;
import java.awt.event.*;
import java.net.*;
import java.util.*;
import javax.media.rtp.*;
import javax.swing.*;
import javax.swing.event.*;
import javax.swing.border.*;
public class Tx extends JFrame implements ActionListener, KeyListener,
MouseListener, WindowListener {
Vector targets;
JList list;
JButton startXmit;
JButton rtcp;
JButton update;
JButton expiration;
JButton statistics;
JButton addTarget;
JButton removeTarget;
JTextField tf_remote_address;
JTextField tf_remote_data_port;
JTextField tf_media_file;
JTextField tf_data_port;
TargetListModel listModel;
AVTransmitter avTransmitter;
RTCPViewer rtcpViewer;
JCheckBox cb_loop;
Config config;
public Tx() {
setTitle( "JMF/RTP Transmitter");
     config= new Config();
     GridBagLayout gridBagLayout= new GridBagLayout();
     GridBagConstraints gbc;
     JPanel p= new JPanel();
     p.setLayout( gridBagLayout);
     JPanel localPanel= createLocalPanel();
     gbc= new GridBagConstraints();
     gbc.gridx= 0;
     gbc.gridy= 0;
     gbc.gridwidth= 2;
     gbc.anchor= GridBagConstraints.CENTER;
     gbc.fill= GridBagConstraints.BOTH;
     gbc.insets= new Insets( 10, 5, 0, 0);
     ((GridBagLayout)p.getLayout()).setConstraints( localPanel, gbc);
     p.add( localPanel);
     JPanel targetPanel= createTargetPanel();
     gbc= new GridBagConstraints();
     gbc.gridx= 1;
     gbc.gridy= 1;
     gbc.weightx= 1.0;
     gbc.weighty= 1.0;
     gbc.anchor= GridBagConstraints.CENTER;
     gbc.fill= GridBagConstraints.BOTH;
     gbc.insets= new Insets( 10, 5, 0, 0);
     ((GridBagLayout)p.getLayout()).setConstraints( targetPanel, gbc);
p.add( targetPanel);
     JPanel mediaPanel= createMediaPanel();
     gbc= new GridBagConstraints();
     gbc.gridx= 1;
     gbc.gridy= 2;
     gbc.weightx= 1.0;
     gbc.weighty= 1.0;
     gbc.anchor= GridBagConstraints.CENTER;
     gbc.fill= GridBagConstraints.BOTH;
     gbc.insets= new Insets( 10, 5, 0, 0);
     ((GridBagLayout)p.getLayout()).setConstraints( mediaPanel, gbc);
p.add( mediaPanel);
JPanel buttonPanel= new JPanel();
rtcp= new JButton( "RTCP Monitor");
update= new JButton( "Transmission Status");
     update.setEnabled( false);
     rtcp.addActionListener( this);
     update.addActionListener( this);
     buttonPanel.add( rtcp);
     buttonPanel.add( update);
     gbc= new GridBagConstraints();
     gbc.gridx = 0;
     gbc.gridy = 3;
gbc.gridwidth= 2;
     gbc.weightx = 1.0;
     gbc.weighty = 0.0;
     gbc.anchor = GridBagConstraints.CENTER;
     gbc.fill = GridBagConstraints.HORIZONTAL;
     gbc.insets = new Insets( 5,5,10,5);
     ((GridBagLayout)p.getLayout()).setConstraints( buttonPanel, gbc);
     p.add( buttonPanel);
getContentPane().add( p);
     list.addMouseListener( this);
     addWindowListener( this);
pack();
setVisible( true);
private JPanel createMediaPanel() {
JPanel p= new JPanel();
     GridBagLayout gridBagLayout= new GridBagLayout();
GridBagConstraints gbc;
     p.setLayout( gridBagLayout);
     JLabel label= new JLabel( "Media Locator:");
     gbc= new GridBagConstraints();
     gbc.gridx = 0;
     gbc.gridy = 0;
     gbc.weightx = 0.0;
     gbc.weighty = 0.0;
     gbc.anchor = GridBagConstraints.EAST;
     gbc.fill = GridBagConstraints.NONE;
     gbc.insets = new Insets( 5,5,10,5);
     ((GridBagLayout)p.getLayout()).setConstraints( label, gbc);
     p.add( label);
     tf_media_file= new JTextField( 35);
     gbc= new GridBagConstraints();
     gbc.gridx = 1;
     gbc.gridy = 0;
     gbc.weightx = 1.0;
     gbc.weighty = 0.0;
     gbc.anchor = GridBagConstraints.WEST;
     gbc.fill = GridBagConstraints.HORIZONTAL;
     gbc.insets = new Insets( 5,5,10,5);
     ((GridBagLayout)p.getLayout()).setConstraints( tf_media_file, gbc);
     p.add( tf_media_file);
     tf_media_file.setText( config.media_locator);
     cb_loop= new JCheckBox( "loop");
     startXmit= new JButton( "Start Transmission");
     startXmit.setEnabled( true);
     startXmit.addActionListener( this);
     gbc= new GridBagConstraints();
     gbc.gridx = 2;
     gbc.gridy = 0;
     gbc.weightx = 0.0;
     gbc.weighty = 0.0;
     gbc.anchor = GridBagConstraints.WEST;
     gbc.fill = GridBagConstraints.NONE;
     gbc.insets = new Insets( 5,5,10,5);
     ((GridBagLayout)p.getLayout()).setConstraints( cb_loop, gbc);
     p.add( cb_loop);
     cb_loop.setSelected( true);
     cb_loop.addActionListener( this);
     gbc= new GridBagConstraints();
     gbc.gridx = 1;
     gbc.gridy = 1;
     gbc.weightx = 0.0;
     gbc.weighty = 0.0;
     gbc.anchor = GridBagConstraints.CENTER;
     gbc.fill = GridBagConstraints.NONE;
     gbc.insets = new Insets( 5,5,10,5);
     ((GridBagLayout)p.getLayout()).setConstraints( startXmit, gbc);
     p.add( startXmit);
     TitledBorder titledBorder= new TitledBorder( new EtchedBorder(), "Source");
     p.setBorder( titledBorder);
     return p;
private JPanel createTargetPanel() {
JPanel p= new JPanel();
     GridBagLayout gridBagLayout= new GridBagLayout();
GridBagConstraints gbc;
     p.setLayout( gridBagLayout);
     targets= new Vector();
     for( int i= 0; i < config.targets.size(); i++) {
     targets.addElement( config.targets.elementAt( i));
listModel= new TargetListModel( targets);
list= new JList( listModel);
     list.addKeyListener( this);
     list.setPrototypeCellValue( "xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx");
JScrollPane scrollPane= new JScrollPane( list,
ScrollPaneConstants.VERTICAL_SCROLLBAR_AS_NEEDED,
ScrollPaneConstants.HORIZONTAL_SCROLLBAR_NEVER);
     gbc= new GridBagConstraints();
     gbc.gridx= 0;
     gbc.gridy= 0;
     gbc.weightx= 1.0;
     gbc.weighty= 1.0;
     gbc.anchor= GridBagConstraints.CENTER;
     gbc.fill= GridBagConstraints.BOTH;
     gbc.insets= new Insets( 10, 5, 0, 0);
     ((GridBagLayout)p.getLayout()).setConstraints( scrollPane, gbc);
     p.add( scrollPane);
JPanel p1= new JPanel();
     p1.setLayout( gridBagLayout);
     JLabel label= new JLabel( "IP Address:");
     gbc= new GridBagConstraints();
     gbc.gridx = 0;
     gbc.gridy = 0;
     gbc.weightx = 0.0;
     gbc.weighty = 0.0;
     gbc.anchor = GridBagConstraints.EAST;
     gbc.fill = GridBagConstraints.NONE;
     gbc.insets = new Insets( 5,5,0,5);
     ((GridBagLayout)p1.getLayout()).setConstraints( label, gbc);
     p1.add( label);
     tf_remote_address= new JTextField( 15);
     gbc= new GridBagConstraints();
     gbc.gridx = 1;
     gbc.gridy = 0;
     gbc.weightx = 0.0;
     gbc.weighty = 0.0;
     gbc.anchor = GridBagConstraints.WEST;
     gbc.fill = GridBagConstraints.NONE;
     gbc.insets = new Insets( 5,5,0,5);
     ((GridBagLayout)p1.getLayout()).setConstraints( tf_remote_address, gbc);
     p1.add( tf_remote_address);
     label= new JLabel( "Data Port:");
     gbc= new GridBagConstraints();
     gbc.gridx = 0;
     gbc.gridy = 1;
     gbc.weightx = 0.0;
     gbc.weighty = 0.0;
     gbc.anchor = GridBagConstraints.EAST;
     gbc.fill = GridBagConstraints.NONE;
     gbc.insets = new Insets( 5,5,0,5);
     ((GridBagLayout)p1.getLayout()).setConstraints( label, gbc);
     p1.add( label);
     tf_remote_data_port= new JTextField( 15);
     gbc= new GridBagConstraints();
     gbc.gridx = 1;
     gbc.gridy = 1;
     gbc.weightx = 0.0;
     gbc.weighty = 0.0;
     gbc.anchor = GridBagConstraints.WEST;
     gbc.fill = GridBagConstraints.NONE;
     gbc.insets = new Insets( 5,5,0,5);
     ((GridBagLayout)p1.getLayout()).setConstraints( tf_remote_data_port, gbc);
     p1.add( tf_remote_data_port);
JPanel p2= new JPanel();
addTarget= new JButton( "Add Target");
removeTarget= new JButton( "Remove Target");
     p2.add( addTarget);
     p2.add( removeTarget);
     addTarget.addActionListener( this);
     removeTarget.addActionListener( this);
     gbc= new GridBagConstraints();
     gbc.gridx = 0;
     gbc.gridy = 2;
     gbc.weightx = 1.0;
     gbc.weighty = 0.0;
     gbc.gridwidth= 2;
     gbc.anchor = GridBagConstraints.CENTER;
     gbc.fill = GridBagConstraints.HORIZONTAL;
     gbc.insets = new Insets( 20,5,0,5);
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     p1.add( p2);
     gbc= new GridBagConstraints();
     gbc.gridx= 1;
     gbc.gridy= 0;
     gbc.weightx= 1.0;
     gbc.weighty= 1.0;
     gbc.anchor= GridBagConstraints.CENTER;
     gbc.fill= GridBagConstraints.BOTH;
     gbc.insets= new Insets( 10, 5, 0, 0);
     ((GridBagLayout)p.getLayout()).setConstraints( p1, gbc);
     p.add( p1);
     TitledBorder titledBorder= new TitledBorder( new EtchedBorder(), "Targets");
     p.setBorder( titledBorder);
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private JPanel createLocalPanel() {
JPanel p= new JPanel();
     GridBagLayout gridBagLayout= new GridBagLayout();
GridBagConstraints gbc;
     p.setLayout( gridBagLayout);
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     gbc.gridx = 0;
     gbc.gridy = 0;
     gbc.weightx = 0.0;
     gbc.weighty = 0.0;
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     gbc.fill = GridBagConstraints.NONE;
     gbc.insets = new Insets( 5,5,0,5);
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     gbc.weighty = 0.0;
     gbc.anchor = GridBagConstraints.WEST;
     gbc.fill = GridBagConstraints.NONE;
     gbc.insets = new Insets( 5,5,0,5);
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     p.add( tf_local_host);
     try {
String host= InetAddress.getLocalHost().getHostAddress();
     tf_local_host.setText( host);
     } catch( UnknownHostException e) {
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     gbc.gridx = 0;
     gbc.gridy = 1;
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     gbc.weighty = 0.0;
     gbc.anchor = GridBagConstraints.EAST;
     gbc.fill = GridBagConstraints.NONE;
     gbc.insets = new Insets( 5,5,0,5);
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     gbc= new GridBagConstraints();
     gbc.gridx = 1;
     gbc.gridy = 1;
     gbc.weightx = 0.0;
     gbc.weighty = 0.0;
     gbc.anchor = GridBagConstraints.WEST;
     gbc.fill = GridBagConstraints.NONE;
     gbc.insets = new Insets( 5,5,10,5);
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     TitledBorder titledBorder= new TitledBorder( new EtchedBorder(), "Local Host");
     p.setBorder( titledBorder);
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public void actionPerformed( ActionEvent event) {
Object source= event.getSource();
     if( source == addTarget) {
     String ip= tf_remote_address.getText().trim();
     String port= tf_remote_data_port.getText().trim();
     String localPort= tf_data_port.getText().trim();
     addTargetToList( localPort, ip, port);
     if( avTransmitter != null) {
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     } else if( source == removeTarget) {
     int index= list.getSelectedIndex();
     if( index != -1) {
          Target target= (Target) targets.elementAt( index);
          if( avTransmitter != null) {
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          targets.removeElement( target);
          listModel.setData( targets);
     } else if( source == startXmit) {
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          avTransmitter.setLooping( cb_loop.isSelected());
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     } else if( startXmit.getLabel().equals( "Stop Transmission")) {
          avTransmitter.stop();
          avTransmitter= null;
          removeNonBaseTargets();
          listModel.setData( targets);
     startXmit.setLabel( "Start Transmission");
     } else if( source == rtcp) {
     if( rtcpViewer == null) {
     rtcpViewer= new RTCPViewer();
     } else {
          rtcpViewer.setVisible( true);
          rtcpViewer.toFront();
     } else if( source == cb_loop) {
     if( avTransmitter != null) {
          avTransmitter.setLooping( cb_loop.isSelected());
private void removeNonBaseTargets() {
     String localPort= tf_data_port.getText().trim();
     for( int i= targets.size(); i > 0;) {
     Target target= (Target) targets.elementAt( i - 1);
     if( !target.localPort.equals( localPort)) {
targets.removeElement( target);
     i--;
public void addTargetToList( String localPort,
                         String ip, String port) {
ListUpdater listUpdater= new ListUpdater( localPort, ip,
                              port, listModel, targets);
SwingUtilities.invokeLater( listUpdater);
public void rtcpReport( String report) {
     if( rtcpViewer != null) {
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public void windowClosing( WindowEvent event) {
     config.local_data_port= tf_data_port.getText().trim();
     config.targets= new Vector();
     for( int i= 0; i < targets.size(); i++) {
     Target target= (Target) targets.elementAt( i);
     if( target.localPort.equals( config.local_data_port)) {
          config.addTarget( target.ip, target.port);
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public void windowClosed( WindowEvent event) {
public void windowDeiconified( WindowEvent event) {
public void windowIconified( WindowEvent event) {
public void windowActivated( WindowEvent event) {
public void windowDeactivated( WindowEvent event) {
public void windowOpened( WindowEvent event) {
public void keyPressed( KeyEvent event) {
public void keyReleased( KeyEvent event) {
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     if( source == list) {
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public void keyTyped( KeyEvent event) {
public void mousePressed( MouseEvent e) {
public void mouseReleased( MouseEvent e) {
public void mouseEntered( MouseEvent e) {
public void mouseExited( MouseEvent e) {
public void mouseClicked( MouseEvent e) {
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          tf_remote_data_port.setText( target.port);
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public static void main( String[] args) {
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private Vector options;
public TargetListModel( Vector options) {
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public int getSize() {
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public Object getElementAt( int index) {
String name;
if( index < getSize()) {
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class ListUpdater implements Runnable {
String localPort, ip, port;
TargetListModel listModel;
Vector targets;
public ListUpdater( String localPort, String ip, String port,
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     this.ip= ip;
     this.port= port;
     this.listModel= listModel;
     this.targets= targets;
public void run() {
Target target= new Target( localPort, ip, port);
     if( !targetExists( localPort, ip, port)) {
     targets.addElement( target);
listModel.setData( targets);
public boolean targetExists( String localPort, String ip, String port) {
     boolean exists= false;
     for( int i= 0; i < targets.size(); i++) {
     Target target= (Target) targets.elementAt( i);
     if( target.localPort.equals( localPort)
     && target.ip.equals( ip)
          && target.port.equals( port)) {
          exists= true;
     break;
     return exists;
>>>>>>>>>>>>>>>>>
import java.awt.*;
import java.io.*;
import java.net.InetAddress;
import java.util.*;
import javax.media.*;
import javax.media.protocol.*;
import javax.media.format.*;
import javax.media.control.TrackControl;
import javax.media.control.QualityControl;
import javax.media.rtp.*;
import javax.media.rtp.event.*;
import javax.media.rtp.rtcp.*;
public class AVTransmitter implements ReceiveStreamListener, RemoteListener,
ControllerListener {
// 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 int localPorts[];
private DataSource dataOutput = null;
private int local_data_port;
private Tx tx;
public AVTransmitter( Tx tx, int data_port) {
     this.tx= tx;
     local_data_port= data_port;
* 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 filename, Vector targets) {
     String result;
     locator= new MediaLocator( filename);
     // 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( targets);
     if (result != null) {
     processor.close();
     processor = null;
     return result;
     // Start the transmission
     processor.start();
     return null;
* Use the RTPManager API to create sessions for each media
* track of the processor.
private String createTransmitter( Vector targets) {
     // Cheated. Should have checked the type.
     PushBufferDataSource pbds = (PushBufferDataSource)dataOutput;
     PushBufferStream pbss[] = pbds.getStreams();
     rtpMgrs = new RTPManager[pbss.length];
     localPorts = new int[ pbss.length];
     SessionAddress localAddr, destAddr;
     InetAddress ipAddr;
     SendStream sendStream;
     int port;
     SourceDescription srcDesList[];
     for (int i = 0; i < pbss.length; i++) {
     // for (int i = 0; i < 1; i++) {
     try {
          rtpMgrs[i] = RTPManager.newInstance();
          port = local_data_port + 2*i;
          localPorts[ i]= port;
          localAddr = new SessionAddress( InetAddress.getLocalHost(),
                              port);
          rtpMgrs.initialize( localAddr);
          rtpMgrs[i].addReceiveStreamListener(this);
          rtpMgrs[i].addRemoteListener(this);
     for( int k= 0; k < targets.size(); k++) {
          Target target= (Target) targets.elementAt( k);
          int targetPort= new Integer( target.port).intValue();
          addTarget( localPorts[ i], rtpMgrs[ i], target.ip, targetPort + 2*i);
          sendStream = rtpMgrs[i].createSendStream(dataOutput, i);
          sendStream.start();
     } catch (Exception e) {
          e.printStackTrace();
          return e.getMessage();
     return null;
public void addTarget( String ip, String port) {
     for (int i= 0; i < rtpMgrs.length; i++) {
     int targetPort= new Integer( port).intValue();
     addTarget( localPorts[ i], rtpMgrs[ i], ip, targetPort + 2*i);
public void addTarget( int localPort, RTPManager mgr, String ip, int port) {
     try {
     SessionAddress addr= new SessionAddress( InetAddress.getByName( ip),
                              new Integer( port).intValue());
     mgr.addTarget( addr);
     tx.addTargetToList( localPort + "", ip, port + "");
     } catch( Exception e) {
     e.printStackTrace();
public void removeTarget( String ip, String port) {
     try {
     SessionAddress addr= new SessionAddress( InetAddress.getByName( ip),
                              new Integer( port).intValue());
     for (int i= 0; i < rtpMgrs.length; i++) {
     rtpMgrs[ i].removeTarget( addr, "target removed from transmitter.");
     } catch( Exception e) {
     e.printStackTrace();
boolean looping= true;
public void controllerUpdate( ControllerEvent ce) {
     System.out.println( ce);
     if( ce instanceof DurationUpdateEvent) {
     Time duration= ((DurationUpdateEvent) ce).getDuration();
     System.out.println( "duration: " + duration.getSeconds());
     } else if( ce instanceof EndOfMediaEvent) {
     System.out.println( "END OF MEDIA - looping=" + looping);
     if( looping) {
     processor.setMediaTime( new Time( 0));
          processor.start();
public void setLooping( boolean flag) {
     looping= flag;
public void update( ReceiveStreamEvent event) {
     String timestamp= getTimestamp();
     StringBuffer sb= new StringBuffer();
     if( event instanceof InactiveReceiveStreamEvent) {
     sb.append( timestamp + " Inactive Receive Stream");
     } else if( event instanceof ByeEvent) {
     sb.append( timestamp + " Bye");
     } else {
     System.out.println( "ReceiveStreamEvent: "+ event);
     tx.rtcpReport( sb.toString());
public void update( RemoteEvent event) {
     String timestamp= getTimestamp();
     if( event instanceof ReceiverReportEvent) {
     ReceiverReport rr= ((ReceiverReportEvent) event).getReport();
     StringBuffer sb= new StringBuffer();
     sb.append( timestamp + " RR");
     if( rr != null) {
          Participant participant= rr.getParticipant();
          if( participant != null) {
          sb.append( " from " + participant.getCNAME());
          sb.append( " ssrc=" + rr.getSSRC());
          } else {
          sb.append( " ssrc=" + rr.getSSRC());
          tx.rtcpReport( sb.toString());
     } else {
     System.out.println( "RemoteEvent: " + event);
private String getTimestamp() {
     String timestamp;
     Calendar calendar= Calendar.getInstance();
     int hour= calendar.get( Calendar.HOUR_OF_DAY);
     String hourStr= formatTime( hour);
     int minute= calendar.get( Calendar.MINUTE);
     String minuteStr= formatTime( minute);
     int second= calendar.get( Calendar.SECOND);
     String secondStr= formatTime( second);
     timestamp= hourStr + ":" + minuteStr + ":" + secondStr;
     return timestamp;
private String formatTime( int time) {
     String timeStr;
     if( time < 10) {
     timeStr= "0" + time;
     } else {
     timeStr= "" + time;
     return timeStr;
* 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[ i].removeTargets( "Session ended.");
          rtpMgrs[ i].dispose();
public String createProcessor() {
     if (locator == null) {
     return "Locator is null";
     DataSource ds;
     DataSource clone;
     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);
     processor.addControllerListener( this);
     } 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;
     boolean atLeastOneTrack = false;
     // Program the tracks.
     for (int i = 0; i < tracks.length; i++) {
     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) {
          if (supported[0] instanceof VideoFormat) {
               // For video formats, we should double check the
               // sizes since not all formats work in all sizes.
               chosen = checkForVideoSizes(tracks[i].getFormat(),
                                   supported[0]);
          } else
               chosen = supported[0];
          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;
static SessionAddress destAddr1, destAddr2;
* 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 {
          width = 352;
          height = 288;
     } 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
     // realiz

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