org.jivesoftware.smackx.jingleold.mediaimpl.jmf.AudioReceiver Maven / Gradle / Ivy
/**
*
* Copyright 2003-2006 Jive Software.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.jivesoftware.smackx.jingleold.mediaimpl.jmf;
import java.util.logging.Logger;
import javax.media.ControllerErrorEvent;
import javax.media.ControllerEvent;
import javax.media.ControllerListener;
import javax.media.Player;
import javax.media.RealizeCompleteEvent;
import javax.media.protocol.DataSource;
import javax.media.rtp.Participant;
import javax.media.rtp.RTPControl;
import javax.media.rtp.ReceiveStream;
import javax.media.rtp.ReceiveStreamListener;
import javax.media.rtp.SessionListener;
import javax.media.rtp.event.ByeEvent;
import javax.media.rtp.event.NewParticipantEvent;
import javax.media.rtp.event.NewReceiveStreamEvent;
import javax.media.rtp.event.ReceiveStreamEvent;
import javax.media.rtp.event.RemotePayloadChangeEvent;
import javax.media.rtp.event.SessionEvent;
import javax.media.rtp.event.StreamMappedEvent;
import org.jivesoftware.smackx.jingleold.media.JingleMediaSession;
/**
* This class implements receive methods and listeners to be used in AudioChannel.
*
* @author Thiago Camargo
*/
public class AudioReceiver implements ReceiveStreamListener, SessionListener,
ControllerListener {
private static final Logger LOGGER = Logger.getLogger(AudioReceiver.class.getName());
boolean dataReceived = false;
final Object dataSync;
JingleMediaSession jingleMediaSession;
public AudioReceiver(final Object dataSync, final JingleMediaSession jingleMediaSession) {
this.dataSync = dataSync;
this.jingleMediaSession = jingleMediaSession;
}
/**
* JingleSessionListener.
*/
@Override
public synchronized void update(SessionEvent evt) {
if (evt instanceof NewParticipantEvent) {
Participant p = ((NewParticipantEvent) evt).getParticipant();
LOGGER.fine(" - A new participant had just joined: " + p.getCNAME());
}
}
/**
* ReceiveStreamListener.
*/
@Override
public synchronized void update(ReceiveStreamEvent evt) {
Participant participant = evt.getParticipant(); // could be null.
ReceiveStream stream = evt.getReceiveStream(); // could be null.
if (evt instanceof RemotePayloadChangeEvent) {
LOGGER.severe(" - Received an RTP PayloadChangeEvent.");
LOGGER.severe("Sorry, cannot handle payload change.");
}
else if (evt instanceof NewReceiveStreamEvent) {
try {
stream = evt.getReceiveStream();
DataSource ds = stream.getDataSource();
// Find out the formats.
RTPControl ctl = (RTPControl) ds.getControl("javax.jmf.rtp.RTPControl");
if (ctl != null) {
LOGGER.severe(" - Received new RTP stream: " + ctl.getFormat());
}
else
LOGGER.severe(" - Received new RTP stream");
if (participant == null)
LOGGER.severe(" The sender of this stream had yet to be identified.");
else {
LOGGER.severe(" The stream comes from: " + participant.getCNAME());
}
// create a player by passing datasource to the Media Manager
Player p = javax.media.Manager.createPlayer(ds);
if (p == null)
return;
p.addControllerListener(this);
p.realize();
jingleMediaSession.mediaReceived(participant != null ? participant.getCNAME() : "");
// Notify initialize() that a new stream had arrived.
synchronized (dataSync) {
dataReceived = true;
dataSync.notifyAll();
}
}
catch (Exception e) {
LOGGER.severe("NewReceiveStreamEvent exception " + e.getMessage());
return;
}
}
else if (evt instanceof StreamMappedEvent) {
if (stream != null && stream.getDataSource() != null) {
DataSource ds = stream.getDataSource();
// Find out the formats.
RTPControl ctl = (RTPControl) ds.getControl("javax.jmf.rtp.RTPControl");
LOGGER.severe(" - The previously unidentified stream ");
if (ctl != null)
LOGGER.severe(" " + ctl.getFormat());
LOGGER.severe(" had now been identified as sent by: " + participant.getCNAME());
}
}
else if (evt instanceof ByeEvent) {
LOGGER.severe(" - Got \"bye\" from: " + participant.getCNAME());
}
}
/**
* ControllerListener for the Players.
*/
@Override
public synchronized void controllerUpdate(ControllerEvent ce) {
Player p = (Player) ce.getSourceController();
if (p == null)
return;
// Get this when the internal players are realized.
if (ce instanceof RealizeCompleteEvent) {
p.start();
}
if (ce instanceof ControllerErrorEvent) {
p.removeControllerListener(this);
LOGGER.severe("Receiver internal error: " + ce);
}
}
}