diff -r c9ff263c29ad -r e684f11070d5 src/jlibrtp/RTCPAppIntf.java
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/jlibrtp/RTCPAppIntf.java	Sat Mar 14 22:15:41 2009 +0100
@@ -0,0 +1,118 @@
+/**
+ * Java RTP Library (jlibrtp)
+ * Copyright (C) 2006 Arne Kepp
+ * 
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library 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
+ * Lesser General Public License for more details.
+ * 
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+ */
+
+package jlibrtp;
+
+
+/**
+ * This is the callback interface for RTCP packets.
+ * 
+ * It is optional, you do not have to register it.
+ * 
+ * If there are specific events you wish to ignore,
+ * you can simply implement empty functions.
+ * 
+ * These are all syncrhonous, make sure to return quickly
+ * or do the handling in a new thread.
+ * 
+ * @author Arne Kepp
+ */
+public interface RTCPAppIntf {
+	
+	/**
+	 * This function is called whenever a Sender Report (SR) packet is received
+	 * and returns unmodified values.
+	 *  
+	 * A sender report may optionally include Receiver Reports (RR), 
+	 * which are returned as arrays. Index i corresponds to the same report
+	 * throughout all of the arrays.
+	 * 
+	 * @param ssrc the (SR) SSRC of the sender
+	 * @param ntpHighOrder (SR) NTP high order
+	 * @param ntpLowOrder (SR) NTP low order
+	 * @param rtpTimestamp (SR) RTP timestamp corresponding to the NTP timestamp
+	 * @param packetCount (SR) Packets sent since start of session
+	 * @param octetCount (SR) Octets sent since start of session
+	 * @param reporteeSsrc (RR) SSRC of sender the receiver is reporting in
+	 * @param lossFraction (RR) Loss fraction, see RFC 3550
+	 * @param cumulPacketsLost (RR) Cumulative number of packets lost
+	 * @param extHighSeq (RR) Extended highest sequence RTP packet received
+	 * @param interArrivalJitter (RR) Interarrival jitter, see RFC 3550
+	 * @param lastSRTimeStamp (RR) RTP timestamp when last SR was received 
+	 * @param delayLastSR (RR) Delay, in RTP, since last SR was received
+	 */
+	public void SRPktReceived(long ssrc, long ntpHighOrder, long ntpLowOrder, 
+			long rtpTimestamp, long packetCount, long octetCount,
+			// Get the receiver reports, if any
+			long[] reporteeSsrc, int[] lossFraction, int[] cumulPacketsLost, long[] extHighSeq, 
+			long[] interArrivalJitter, long[] lastSRTimeStamp, long[] delayLastSR);
+	
+	/**
+	 * This function is called whenever a Receiver Report (SR) packet is received
+	 * and returns unmodified values.
+	 * 
+	 * A receiver report may optionally include report blocks, 
+	 * which are returned as arrays. Index i corresponds to the same report
+	 * throughout all of the arrays.
+	 * 
+	 * @param reporterSsrc SSRC of the receiver reporting
+	 * @param reporteeSsrc (RR) SSRC of sender the receiver is reporting in
+	 * @param lossFraction (RR) Loss fraction, see RFC 3550
+	 * @param cumulPacketsLost (RR) Cumulative number of packets lost
+	 * @param extHighSeq (RR) Extended highest sequence RTP packet received
+	 * @param interArrivalJitter (RR) Interarrival jitter, see RFC 3550
+	 * @param lastSRTimeStamp (RR) RTP timestamp when last SR was received 
+	 * @param delayLastSR (RR) Delay, in RTP, since last SR was received
+	 */
+	public void RRPktReceived(long reporterSsrc, long[] reporteeSsrc, 
+			int[] lossFraction, int[] cumulPacketsLost, long[] extHighSeq, 
+			long[] interArrivalJitter, long[] lastSRTimeStamp, long[] delayLastSR);
+	
+	/**
+	 * This function is called whenever a Source Description (SDES) packet is received.
+	 * 
+	 * It currently returns the updated participants AFTER they have been updated.
+	 * 
+	 * @param relevantParticipants participants mentioned in the SDES packet
+	 */
+	public void SDESPktReceived(Participant[] relevantParticipants);
+	
+	/**
+	 * This function is called whenever a Bye (BYE) packet is received.
+	 * 
+	 * The participants will automatically be deleted from the participant
+	 * database after some time, but in the mean time the application may 
+	 * still receive RTP  packets from this source.
+	 * 
+	 * @param relevantParticipants participants whose SSRC was in the packet
+	 * @param reason the reason provided in the packet
+	 */
+	public void BYEPktReceived(Participant[] relevantParticipants, String reason);
+	
+	
+	/**
+	 * This function is called whenever an Application (APP) packet is received.
+	 * 
+	 * @param part the participant associated with the SSRC
+	 * @param subtype specified in the packet
+	 * @param name ASCII description of packet
+	 * @param data in the packet
+	 */
+	public void APPPktReceived(Participant part, int subtype, byte[] name, byte[] data);
+}
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