mirror of
https://github.com/vanitasvitae/Smack.git
synced 2024-10-31 17:25:58 +01:00
945561242a
JIngle Media Manager Refactoring. git-svn-id: http://svn.igniterealtime.org/svn/repos/smack/trunk@7361 b35dd754-fafc-0310-a699-88a17e54d16e
175 lines
6 KiB
Java
175 lines
6 KiB
Java
package org.jivesoftware.jingleaudio.jmf; /**
|
||
* $RCSfile$
|
||
* $Revision: $
|
||
* $Date: 08/11/2006
|
||
* <p/>
|
||
* Copyright 2003-2006 Jive Software.
|
||
* <p/>
|
||
* All rights reserved. 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
|
||
* <p/>
|
||
* http://www.apache.org/licenses/LICENSE-2.0
|
||
* <p/>
|
||
* 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.
|
||
*/
|
||
|
||
import org.jivesoftware.jingleaudio.jmf.AudioChannel;
|
||
import org.jivesoftware.jingleaudio.jmf.AudioFormatUtils;
|
||
import org.jivesoftware.smackx.jingle.media.JingleMediaSession;
|
||
import org.jivesoftware.smackx.jingle.media.PayloadType;
|
||
import org.jivesoftware.smackx.jingle.nat.TransportCandidate;
|
||
|
||
import javax.media.MediaLocator;
|
||
import javax.media.format.AudioFormat;
|
||
import java.io.IOException;
|
||
import java.net.ServerSocket;
|
||
|
||
/**
|
||
* This Class implements a complete JingleMediaSession.
|
||
* It sould be used to transmit and receive audio captured from the Mic.
|
||
* This Class should be automaticly controlled by JingleSession.
|
||
* But you could also use in any VOIP application.
|
||
* For better NAT Traversal support this implementation don´t support only receive or only transmit.
|
||
* To receive you MUST transmit. So the only implemented and functionally methods are startTransmit() and stopTransmit()
|
||
*
|
||
* @author Thiago Camargo
|
||
*/
|
||
public class AudioMediaSession extends JingleMediaSession {
|
||
|
||
private AudioFormat format;
|
||
private AudioChannel audioChannel;
|
||
private String locator = "javasound://";
|
||
|
||
/**
|
||
* Creates a org.jivesoftware.jingleaudio.jmf.AudioMediaSession with defined payload type, remote and local candidates
|
||
*
|
||
* @param payloadType Payload of the jmf
|
||
* @param remote The remote information. The candidate that the jmf will be sent to.
|
||
* @param local The local information. The candidate that will receive the jmf
|
||
*/
|
||
public AudioMediaSession(final PayloadType payloadType, final TransportCandidate remote,
|
||
final TransportCandidate local) {
|
||
this(payloadType, remote, local, "javasound://");
|
||
}
|
||
|
||
/**
|
||
* Creates a org.jivesoftware.jingleaudio.jmf.AudioMediaSession with defined payload type, remote and local candidates
|
||
*
|
||
* @param payloadType Payload of the jmf
|
||
* @param remote The remote information. The candidate that the jmf will be sent to.
|
||
* @param local The local information. The candidate that will receive the jmf
|
||
*/
|
||
public AudioMediaSession(final PayloadType payloadType, final TransportCandidate remote,
|
||
final TransportCandidate local, String locator) {
|
||
super(payloadType, remote, local);
|
||
if (locator != null && !locator.equals(""))
|
||
this.locator = locator;
|
||
initialize();
|
||
}
|
||
|
||
/**
|
||
* Initialize the Audio Channel to make it able to send and receive audio
|
||
*/
|
||
public void initialize() {
|
||
|
||
String ip;
|
||
String localIp;
|
||
int localPort;
|
||
int remotePort;
|
||
|
||
if (this.getLocal().getSymmetric() != null) {
|
||
ip = this.getLocal().getIp();
|
||
localIp = this.getLocal().getLocalIp();
|
||
localPort = getFreePort();
|
||
remotePort = this.getLocal().getSymmetric().getPort();
|
||
|
||
System.out.println(this.getLocal().getConnection() + " " + ip + ": " + localPort + "->" + remotePort);
|
||
|
||
}
|
||
else {
|
||
ip = this.getRemote().getIp();
|
||
localIp = this.getLocal().getLocalIp();
|
||
localPort = this.getLocal().getPort();
|
||
remotePort = this.getRemote().getPort();
|
||
}
|
||
|
||
audioChannel = new AudioChannel(new MediaLocator(locator), localIp, ip, localPort, remotePort, AudioFormatUtils.getAudioFormat(this.getPayloadType()));
|
||
}
|
||
|
||
/**
|
||
* Starts transmission and for NAT Traversal reasons start receiving also.
|
||
*/
|
||
public void startTrasmit() {
|
||
audioChannel.start();
|
||
}
|
||
|
||
/**
|
||
* Set transmit activity. If the active is true, the instance should trasmit.
|
||
* If it is set to false, the instance should pause transmit.
|
||
*
|
||
* @param active
|
||
*/
|
||
public void setTrasmit(boolean active) {
|
||
audioChannel.setTrasmit(active);
|
||
}
|
||
|
||
/**
|
||
* For NAT Reasons this method does nothing. Use startTransmit() to start transmit and receive jmf
|
||
*/
|
||
public void startReceive() {
|
||
// Do nothing
|
||
}
|
||
|
||
/**
|
||
* Stops transmission and for NAT Traversal reasons stop receiving also.
|
||
*/
|
||
public void stopTrasmit() {
|
||
if (audioChannel != null)
|
||
audioChannel.stop();
|
||
}
|
||
|
||
/**
|
||
* For NAT Reasons this method does nothing. Use startTransmit() to start transmit and receive jmf
|
||
*/
|
||
public void stopReceive() {
|
||
// Do nothing
|
||
}
|
||
|
||
/**
|
||
* Obtain a free port we can use.
|
||
*
|
||
* @return A free port number.
|
||
*/
|
||
protected int getFreePort() {
|
||
ServerSocket ss;
|
||
int freePort = 0;
|
||
|
||
for (int i = 0; i < 10; i++) {
|
||
freePort = (int) (10000 + Math.round(Math.random() * 10000));
|
||
freePort = freePort % 2 == 0 ? freePort : freePort + 1;
|
||
try {
|
||
ss = new ServerSocket(freePort);
|
||
freePort = ss.getLocalPort();
|
||
ss.close();
|
||
return freePort;
|
||
}
|
||
catch (IOException e) {
|
||
e.printStackTrace();
|
||
}
|
||
}
|
||
try {
|
||
ss = new ServerSocket(0);
|
||
freePort = ss.getLocalPort();
|
||
ss.close();
|
||
}
|
||
catch (IOException e) {
|
||
e.printStackTrace();
|
||
}
|
||
return freePort;
|
||
}
|
||
}
|