RTPPeer To Peer live capture

Question

Hi I think I am doing what I have read in JMF documentation and examples but I am not able to see visual component in JFrame. I did selected Lightweight component in Manager. And I also see packets going back and forth in wireshark but I do not hear any audio.
Please see the following code and let me know if find anything wrong...Thanks in advance.
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package rtppeertopeer;
import java.util.Vector;
import java.net.InetAddress;
import java.awt.Component;
import javax.swing.JComponent;
import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.media.Buffer;
import javax.media.MediaLocator;
import javax.media.CaptureDeviceInfo;
import javax.media.CaptureDeviceManager;
import javax.media.Player;
import javax.media.ControllerEvent;
import javax.media.ControllerListener;
import javax.media.Processor;
import javax.media.rtp.Participant;
import javax.media.rtp.SendStream;
import javax.media.rtp.ReceiveStreamListener;
import javax.media.rtp.SessionListener;
import javax.media.rtp.event.*;
import javax.media.rtp.ReceiveStream;
import javax.media.Manager;
import javax.media.rtp.RTPManager;
import javax.media.format.AudioFormat;
import javax.media.protocol.ContentDescriptor;
import javax.media.protocol.DataSource;
import java.io.IOException;
import javax.media.format.UnsupportedFormatException;
import javax.media.NoPlayerException;
* @author lbana
public class RTPPeerToPeer extends JPanel
implements ReceiveStreamListener, SessionListener, ControllerListener {
private Processor m_capProcessor;
private Player m_player;
private DataSource m_dataSource;
private RTPManager m_rtpManager;
private RTPSocketAdapter m_rtpSock;
private SendStream m_sendStream;
private LocalProcessor m_localProcessor;
private JPanel m_jpanel;
private JFrame m_jframe;
public RTPPeerToPeer(String ipaddr, int port)
try
m_localProcessor = new LocalProcessor();
/* Server and Client uses same address */
InetAddress iaddr = InetAddress.getByName(ipaddr);
m_rtpManager = RTPManager.newInstance();
m_rtpSock = new RTPSocketAdapter(iaddr, port);
m_rtpManager.initialize(m_rtpSock);
m_sendStream = m_rtpManager.createSendStream(m_dataSource, 0);
registerManagerSessionListeners();
m_sendStream.start();
catch (UnsupportedFormatException exe)
exe.printStackTrace();
catch (IOException exe)
exe.printStackTrace();
public void setJFrame(JFrame frm)
m_jframe = frm;
public void registerManagerSessionListeners()
m_rtpManager.addReceiveStreamListener(this);
public void start()
m_capProcessor.start();
public void stop() throws IOException
m_capProcessor.stop();
m_sendStream.stop();
public void close()
m_capProcessor.close();
m_sendStream.close();
public void controllerUpdate(ControllerEvent evt)
public void update(ReceiveStreamEvent evt)
RTPManager mgr = (RTPManager)evt.getSource();
System.out.println(evt.toString());
if (evt instanceof ActiveReceiveStreamEvent)
ActiveReceiveStreamEvent arstrm = (ActiveReceiveStreamEvent)evt;
System.out.println(arstrm.toString());
else if (evt instanceof InactiveReceiveStreamEvent)
InactiveReceiveStreamEvent irstrm = (InactiveReceiveStreamEvent)evt;
System.out.println(irstrm.toString());
else if (evt instanceof NewReceiveStreamEvent)
NewReceiveStreamEvent nstrevt = (NewReceiveStreamEvent)evt;
ReceiveStream strm = nstrevt.getReceiveStream();
Participant participant = nstrevt.getParticipant();
DataSource ds = strm.getDataSource();
System.out.println(nstrevt.toString());
if (participant != null)
System.out.println(participant.toString());
try
* Player for inbound RTP packets.
m_player = Manager.createPlayer(ds);
m_player.addControllerListener(this);
Statehelper procHelper = new Statehelper(m_player);
procHelper.configure(1000);
procHelper.realize(5000);
JComponent visComp = (JComponent)m_player.getVisualComponent();
JComponent ctrlComp = null; //(JComponent)m_player.getControlPanelComponent();
if (visComp != null)
//add(visComp);
else
System.out.println("Component is NULL");
if (ctrlComp != null)
add(ctrlComp);
repaint();
catch (NoPlayerException exe)
exe.printStackTrace();
catch (IOException exe)
exe.printStackTrace();
else if (evt instanceof RemotePayloadChangeEvent)
else if (evt instanceof StreamMappedEvent)
else if (evt instanceof TimeoutEvent)
else
public void update(SessionEvent evt)
System.out.println(evt.toString());
if (evt instanceof LocalCollisionEvent)
LocalCollisionEvent levt = (LocalCollisionEvent)evt;
System.out.println(levt.toString());
else if (evt instanceof NewParticipantEvent)
RTPManager mgr = (RTPManager)evt.getSource();
NewParticipantEvent npart = (NewParticipantEvent)evt;
Participant nusr = npart.getParticipant();
System.out.println(nusr.getCNAME());
System.out.println(nusr.toString());
else
System.out.println("Unknown SessionEvent received.");
* Constructing Processor for Microphone.
class LocalProcessor
public LocalProcessor()
m_capProcessor = createProcessor();
m_dataSource = m_capProcessor.getDataOutput();
public Processor createProcessor()
Processor processor = null;
Statehelper procHelper = null;
AudioFormat frmt = new AudioFormat(AudioFormat.LINEAR,
44100, /* Sampling */
16, /* num of bits */
1); /* mono */
Vector<CaptureDeviceInfo> devList =
CaptureDeviceManager.getDeviceList(frmt);
for (int i = 0; i < devList.size(); i++)
System.out.println(devList.get(i).toString());
if (devList.size() == 0)
System.out.println("CaptureDeviceManager could not locate devinfo");
return null;
CaptureDeviceInfo cdev = devList.get(0);
try
/* Processor for transmitting captured source from Microphone. */
processor = Manager.createProcessor(cdev.getLocator());
procHelper= new Statehelper(processor);
procHelper.configure(1000);
processor.setContentDescriptor(new ContentDescriptor(ContentDescriptor.RAW_RTP));
procHelper.realize(1000);
catch (Exception exe)
exe.printStackTrace();
return processor;
}

Answer 1

Thanks for the response...I haven't pasted my complete source code. Statehelper.java is Sunjava jmf implementation. Here is my
main.
public static void constructGUI(String ipaddr, int port)
        JFrame.setDefaultLookAndFeelDecorated(true);
        JFrame    frame = new JFrame("My Frame");
        Dimension dim   = new Dimension(300, 600);
        frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        frame.setPreferredSize(dim);
        RTPPeerToPeer rtp = new RTPPeerToPeer(ipaddr, port);
        frame.getContentPane().add(rtp);
        //jmfc.createRecord();
        frame.pack();
        frame.setVisible(true);
        rtp.start();
    }Seems like I selected "code" but didn't look like it enabled in my previous post....pls ignore the previous.
sorry for the noise