--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/org/sipdroid/net/RtpSocket.java	Sat Dec 25 17:01:00 2010 +0100
@@ -0,0 +1,92 @@
+/*
+ * Copyright (C) 2009 The Sipdroid Open Source Project
+ * Copyright (C) 2005 Luca Veltri - University of Parma - Italy
+ * 
+ * This file is part of Sipdroid (http://www.sipdroid.org)
+ * 
+ * Sipdroid is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 3 of the License, or
+ * (at your option) any later version.
+ * 
+ * This source code is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ * 
+ * You should have received a copy of the GNU General Public License
+ * along with this source code; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ */
+
+package org.sipdroid.net;
+
+import java.net.InetAddress;
+import java.net.DatagramPacket;
+import java.io.IOException;
+
+
+
+/**
+ * RtpSocket implements a RTP socket for receiving and sending RTP packets.
+ * <p>
+ * RtpSocket is associated to a DatagramSocket that is used to send and/or
+ * receive RtpPackets.
+ */
+public class RtpSocket {
+    /** UDP socket */
+    SipdroidSocket socket;
+    DatagramPacket datagram;
+
+    /** Remote address */
+    InetAddress r_addr;
+
+    /** Remote port */
+    int r_port;
+
+    /** Creates a new RTP socket (only receiver) */
+    public RtpSocket(SipdroidSocket datagram_socket) {
+	socket = datagram_socket;
+	r_addr = null;
+	r_port = 0;
+	datagram = new DatagramPacket(new byte[1],1);
+    }
+
+    /** Creates a new RTP socket (sender and receiver) */
+    public RtpSocket(SipdroidSocket datagram_socket,
+	InetAddress remote_address, int remote_port) {
+	socket = datagram_socket;
+	r_addr = remote_address;
+	r_port = remote_port;
+	datagram = new DatagramPacket(new byte[1],1);
+    }
+
+    /** Returns the RTP SipdroidSocket */
+    public SipdroidSocket getDatagramSocket() {
+	return socket;
+    }
+
+    /** Receives a RTP packet from this socket */
+    public void receive(RtpPacket rtpp) throws IOException {
+	datagram.setData(rtpp.packet);
+	datagram.setLength(rtpp.packet.length);
+	socket.receive(datagram);
+	if (!socket.isConnected())
+	    socket.connect(datagram.getAddress(),datagram.getPort());
+	rtpp.packet_len = datagram.getLength();
+    }
+
+    /** Sends a RTP packet from this socket */
+    public void send(RtpPacket rtpp) throws IOException {
+	datagram.setData(rtpp.packet);
+	datagram.setLength(rtpp.packet_len);
+	datagram.setAddress(r_addr);
+	datagram.setPort(r_port);
+	socket.send(datagram);
+    }
+
+    /** Closes this socket */
+    public void close() { // socket.close();
+    }
+
+}