*We send and receive RTP data using RTPpacket.
import javax.media.rtp.*;
import javax.media.rtp.rtcp.*;
import javax.media.rtp.event.*;
import javax.media.*;
import javax.media.protocol.*;
import java.net.InetAddress;
import javax.media.format.AudioFormat;
import com.sun.media.ui.*;
import java.util.Vector;
public class RTPSourceStream<RTPPlayerWindow> implements ReceiveStreamListener,
ControllerListener
{
@SuppressWarnings("rawtypes")
Vector playerlist = new Vector();
@SuppressWarnings("deprecation")
SessionManager mgr = null;
boolean terminatedbyClose = false;
@SuppressWarnings("deprecation")
public SessionManager createManager(String address,
String sport,
String sttl,
boolean listener,
boolean sendlistener)
{
return createManager(address,
new Integer(sport).intValue(),
new Integer(sttl).intValue(),
listener,
sendlistener);
}
@SuppressWarnings("deprecation")
public SessionManager createManager(String address,
int port,
int ttl,
boolean listener,
boolean sendlistener)
{
mgr = (SessionManager)new com.sun.media.rtp.RTPSessionMgr();
if (mgr == null) return null;
mgr.addFormat(new AudioFormat(AudioFormat.DVI_RTP,44100, 4,1),18);
if (listener) mgr.addReceiveStreamListener(this);
// if (sendlistener) new RTPSendStreamWindow(mgr);
// ask RTPSM to generate the local participants CNAME
String cname = mgr.generateCNAME();
String username = null;
try {
username = System.getProperty("user.name");
} catch (SecurityException e){
username = "jmf-user";
}
// create our local Session Address
SessionAddress localaddr = new SessionAddress();
try{
InetAddress destaddr = InetAddress.getByName(address);
SessionAddress sessaddr = new SessionAddress(destaddr,
port,
destaddr,
port + 1);
SourceDescription[] userdesclist= new SourceDescription[]
{
new SourceDescription(SourceDescription
.SOURCE_DESC_EMAIL,
"[email protected]",
1,
false),
new SourceDescription(SourceDescription
.SOURCE_DESC_CNAME,
cname,
1,
false),
new
SourceDescription(SourceDescription.SOURCE_DESC_TOOL,"JMF RTP Player v2.0",
1,
false) };
mgr.initSession(localaddr,
userdesclist,
0.05,
0.25);
mgr.startSession(sessaddr,ttl,null);
} catch (Exception e) {
System.err.println(e.getMessage());
return null;
}
return mgr;
}
public void update(ReceiveStreamEvent event)
{
Player newplayer = null;
RTPPacket playerWindow = null;
// find the sourceRTPSM for this event
SessionManager source = (SessionManager)event.getSource();
// create a new player if a new recvstream is detected
if (event instanceof NewReceiveStreamEvent)
{
String cname = "Java Media Player";
ReceiveStream stream = null;
try
{
// get a handle over the ReceiveStream
stream =((NewReceiveStreamEvent)event)
.getReceiveStream();
Participant part = stream.getParticipant();
if (part != null) cname = part.getCNAME();
// get a handle over the ReceiveStream datasource
DataSource dsource = stream.getDataSource();
// create a player by passing datasource to the
// Media Manager
newplayer = Manager.createPlayer(dsource);
System.out.println("created player " + newplayer);
} catch (Exception e) {
System.err.println("NewReceiveStreamEvent exception "
+ e.getMessage());
return;
}
if (newplayer == null) return;
playerlist.addElement(newplayer);
newplayer.addControllerListener(this);
// send this player to player GUI
playerWindow = new RTPPacket(newplayer, cname);
}
}
public void controllerUpdate(ControllerEvent evt)
{
// get a handle over controller, remove it from the player
// list.
// if player list is empty, close the sesssion manager.
if ((evt instanceof ControllerClosedEvent) ||
(evt instanceof ControllerErrorEvent) ||
(evt instanceof DeallocateEvent)){
Player p = (Player)evt.getSourceController();
if (!terminatedbyClose){
if (playerlist.contains(p))
playerlist.removeElement(p);
if ((playerlist.size() == 0) && (mgr != null))
mgr.closeSession("All players are closed");
}
}
}
public void closeManager()
{
terminatedbyClose = true;
// first close all the players
for (int i = 0; i < playerlist.size(); i++) {
((Player)playerlist.elementAt(i)).close();
}
if (mgr != null) {
mgr.closeSession("RTP Session Terminated");
mgr = null;
}
}
class RTPPacket extends RTPSourceStream
{
public RTPPacket(Player newplayer, String cname) {
// TODO Auto-generated constructor stub
}
}
}*
हे लोग मुझे कुछ विचार दे कृपया एसआईपी स्टैक पर आरटीपी का उपयोग करके वॉयस स्ट्रीम भेजने के लिए कैसे संभव है, मैं सिप्ड्रॉइड आरटीपीएसेंडर और रिसीवर क्लास के साथ प्रयास कर रहा हूं, लेकिन सफल नहीं हूं .. – Satyam