Adds event dispatching for changes of the remote source id in RTP streams

src/net/java/sip/communicator/impl/neomedia/MediaStreamImpl.java

@@ -1238,7 +1238,7 @@ public void update(ReceiveStreamEvent event)
                     logger.trace("Received new ReceiveStream with ssrc "
                                 + receiveStream.getSSRC());
 
-                this.remoteSourceID = Long.toString( receiveStream.getSSRC() );
+                setRemoteSourceID( Long.toString( receiveStream.getSSRC() ));
 
                 synchronized (receiveStreams)
                 {
@@ -1300,4 +1300,34 @@ public void update(SessionEvent event)
     {
         // TODO Auto-generated method stub
     }
+
+    /**
+     * Sets the local SSRC identifier and fires the corresponding
+     * <tt>PropertyChangeEvent</tt>.
+     *
+     * @param ssrc the SSRC identifier that this stream will be using in
+     * outgoing RTP packets from now on.
+     */
+    private void setLocalSourceID(String ssrc)
+    {
+        String oldValue = this.localSourceID;
+        this.localSourceID = ssrc;
+
+        firePropertyChange(PNAME_LOCAL_SSRC, oldValue, ssrc);
+    }
+
+    /**
+     * Sets the remote SSRC identifier and fires the corresponding
+     * <tt>PropertyChangeEvent</tt>.
+     *
+     * @param ssrc the SSRC identifier that this stream will be using in
+     * outgoing RTP packets from now on.
+     */
+    private void setRemoteSourceID(String ssrc)
+    {
+        String oldValue = this.remoteSourceID;
+        this.remoteSourceID = ssrc;
+
+        firePropertyChange(PNAME_REMOTE_SSRC, oldValue, ssrc);
+    }
 }

src/net/java/sip/communicator/service/neomedia/MediaStream.java

@@ -29,15 +29,13 @@ public interface MediaStream
      * The name of the property which indicates whether the remote SSRC is
      * currently available.
      */
-    public static final String PNAME_LOCAL_SSRC_AVAILABLE
-        = "localSSRCAvailable";
+    public static final String PNAME_LOCAL_SSRC = "localSSRCAvailable";
 
     /**
      * The name of the property which indicates whether the local SSRC is
      * currently available.
      */
-    public static final String PNAME_REMOTE_SSRC_AVAILABLE
-        = "remoteSSRCAvailable";
+    public static final String PNAME_REMOTE_SSRC = "remoteSSRCAvailable";
 
     /**
      * Starts capturing media from this stream's <tt>MediaDevice</tt> and then