--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/jlibrtp/RTCPAVPFIntf.java	Fri Nov 20 19:29:42 2009 +0100
@@ -0,0 +1,102 @@
+/**
+ * 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 the AVPF profile (RFC 4585)
+ * 
+ * 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 RTCPAVPFIntf {
+
+	/**
+	 * This function is called when a Picture Loss Indication (PLI, FMT = 1) is
+	 * received
+	 * 
+	 * @param ssrcPacketSender
+	 *            the SSRC of the participant reporting loss of picture
+	 */
+	public void PSFBPktPictureLossReceived(long ssrcPacketSender);
+
+	/**
+	 * This function is called when a Slice Loss Indication (SLI, FMT=2) is
+	 * received
+	 * 
+	 * @param ssrcPacketSender
+	 *            the SSRC of the participant reporting loss of slice(s)
+	 * @param sliceFirst
+	 *            macroblock address of first macroblock
+	 * @param sliceNumber
+	 *            number of lost macroblocks, in scan order
+	 * @param slicePictureId
+	 *            the six least significant bits of the picture identifier
+	 */
+	public void PSFBPktSliceLossIndic(long ssrcPacketSender, int[] sliceFirst,
+			int[] sliceNumber, int[] slicePictureId);
+
+	/**
+	 * This function is called when a Reference Picture Selection Indication
+	 * (RPSI, FMT=3) is received
+	 * 
+	 * @param ssrcPacketSender
+	 *            the SSRC of the participant reporting the selection
+	 * @param rpsiPayloadType
+	 *            the RTP payload type related to the RPSI bit string
+	 * @param rpsiBitString
+	 *            the RPSI information as natively defined by the video codec
+	 * @param rpsiPaddingBits
+	 *            the number of padding bits at the end of the string
+	 */
+	public void PSFBPktRefPictureSelIndic(long ssrcPacketSender,
+			int rpsiPayloadType, byte[] rpsiBitString, int rpsiPaddingBits);
+
+	/**
+	 * This function is called when a Transport Layer Feedback Messages is
+	 * received
+	 * 
+	 * @param ssrcPacketSender
+	 * @param alfBitString
+	 */
+	public void PSFBPktAppLayerFBReceived(long ssrcPacketSender,
+			byte[] alfBitString);
+
+	/**
+	 * This function is called when a Transport Layer Feedback Messages is
+	 * received
+	 * 
+	 * @param ssrcPacketSender
+	 * @param FMT
+	 *            1: NACK, 0,2-30: unassigned, 31: reserved
+	 * @param packetID
+	 *            the RTP sequence number of the lost packet
+	 * @param bitmaskLostPackets
+	 *            the bitmask of following lost packets
+	 */
+	public void RTPFBPktReceived(long ssrcPacketSender, int FMT,
+			int[] packetID, int[] bitmaskLostPackets);
+}
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