src/jlibrtp/RtcpPktSR.java
changeset 214 2bf440c54ca5
parent 213 9bdff6cbd120
child 215 5db64229be69
--- a/src/jlibrtp/RtcpPktSR.java	Thu May 28 14:26:06 2009 +0200
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,178 +0,0 @@
-/**
- * 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;
-
-/**
- * RTCP packets for Sender Reports 
- * 
- * @author Arne Kepp
- */
-public class RtcpPktSR extends RtcpPkt {
-	/** NTP timestamp, MSB */
-	protected long ntpTs1 = -1; //32 bits
-	/** NTP timestamp, LSB */
-	protected long ntpTs2 = -1; //32 bits
-	/** RTP timestamp */
-	protected long rtpTs = -1; //32 bits
-	/** Senders packet count */
-	protected long sendersPktCount = -1; //32 bits
-	/** Senders octet count */
-	protected long sendersOctCount = -1; //32 bits
-	/** RR packet with receiver reports that we can append */
-	protected RtcpPktRR rReports = null;
-	
-	/**
-	 * Constructor for a new Sender Report packet
-	 * 
-	 * @param ssrc the senders SSRC, presumably from RTPSession
-	 * @param pktCount packets sent in this session
-	 * @param octCount octets sent in this session
-	 * @param rReports receiver reports, as RR packets, to be included in this packet
-	 */
-	protected RtcpPktSR(long ssrc, long pktCount, long octCount, RtcpPktRR rReports) {
-		// Fetch all the right stuff from the database
-		super.ssrc = ssrc;
-		super.packetType = 200;
-		sendersPktCount = pktCount;
-		sendersOctCount = octCount;
-		this.rReports = rReports;
-	}
-	
-	/**
-	 * Constructor that parses a received packet
-	 * 
-	 * @param aRawPkt the raw packet
-	 * @param start the position at which SR starts
-	 * @param length used to determine number of included receiver reports
-	 */
-	protected RtcpPktSR(byte[] aRawPkt, int start, int length) {
-		if(RTPSession.rtpDebugLevel > 9) {
-				System.out.println("  -> RtcpPktSR(rawPkt)");
-		}
-		
-		super.rawPkt = aRawPkt;
-
-		if(!super.parseHeaders(start) || packetType != 200 ) {
-			if(RTPSession.rtpDebugLevel > 2) {
-				System.out.println(" <-> RtcpPktSR.parseHeaders() etc. problem: "+ (!super.parseHeaders(start) ) + " " + packetType + " " + super.length);
-			}
-			super.problem = -200;
-		} else {
-			super.ssrc = StaticProcs.bytesToUIntLong(aRawPkt,4+start);
-			if(length > 11)
-				ntpTs1 = StaticProcs.bytesToUIntLong(aRawPkt,8+start);
-			if(length > 15)
-				ntpTs2 = StaticProcs.bytesToUIntLong(aRawPkt,12+start);
-			if(length > 19)
-				rtpTs = StaticProcs.bytesToUIntLong(aRawPkt,16+start);
-			if(length > 23)
-				sendersPktCount = StaticProcs.bytesToUIntLong(aRawPkt,20+start);
-			if(length > 27)
-				sendersOctCount = StaticProcs.bytesToUIntLong(aRawPkt,24+start);
-			
-			// RRs attached?
-			if(itemCount > 0) {
-				rReports = new RtcpPktRR(rawPkt,start,itemCount);
-			}
-		}
-		
-		if(RTPSession.rtpDebugLevel > 9) {
-			System.out.println("  <- RtcpPktSR(rawPkt)");
-		}
-	}
-	
-	/**
-	 * Encode the packet into a byte[], saved in .rawPkt
-	 * 
-	 * CompRtcpPkt will call this automatically
-	 */
-	protected void encode() {		
-		if(RTPSession.rtpDebugLevel > 9) {
-			if(this.rReports != null) {
-				System.out.println("  -> RtcpPktSR.encode() receptionReports.length: " + this.rReports.length );
-			} else {
-				System.out.println("  -> RtcpPktSR.encode() receptionReports: null");
-			}
-		}
-		
-		if(this.rReports != null) {
-			super.itemCount = this.rReports.reportees.length;
-						
-			byte[] tmp = this.rReports.encodeRR();
-			super.rawPkt = new byte[tmp.length+28];
-			//super.length = (super.rawPkt.length / 4) - 1;
-			
-			System.arraycopy(tmp, 0, super.rawPkt, 28, tmp.length);
-			
-		} else {
-			super.itemCount = 0;
-			super.rawPkt = new byte[28];
-			//super.length = 6;
-		}
-		//Write the common header
-		super.writeHeaders();
-		
-		// Convert to NTP and chop up
-		long timeNow = System.currentTimeMillis();
-		ntpTs1 = 2208988800L + (timeNow/1000);
-		long ms = timeNow % 1000;
-		double tmp = ((double)ms) / 1000.0;
-		tmp = tmp * (double)4294967295L;
-		ntpTs2 = (long) tmp;
-		rtpTs = System.currentTimeMillis();
-		
-		//Write SR stuff
-		byte[] someBytes;
-		someBytes = StaticProcs.uIntLongToByteWord(super.ssrc);
-		System.arraycopy(someBytes, 0, super.rawPkt, 4, 4);
-		someBytes = StaticProcs.uIntLongToByteWord(ntpTs1);
-		System.arraycopy(someBytes, 0, super.rawPkt, 8, 4);
-		someBytes = StaticProcs.uIntLongToByteWord(ntpTs2);
-		System.arraycopy(someBytes, 0, super.rawPkt, 12, 4);
-		someBytes = StaticProcs.uIntLongToByteWord(rtpTs);
-		System.arraycopy(someBytes, 0, super.rawPkt, 16, 4);
-		someBytes = StaticProcs.uIntLongToByteWord(sendersPktCount);
-		System.arraycopy(someBytes, 0, super.rawPkt, 20, 4);
-		someBytes = StaticProcs.uIntLongToByteWord(sendersOctCount);
-		System.arraycopy(someBytes, 0, super.rawPkt, 24, 4);
-		
-		if(RTPSession.rtpDebugLevel > 9) {
-			System.out.println("  <- RtcpPktSR.encode() ntpTs1: "
-					+ Long.toString(ntpTs1) + " ntpTs2: " + Long.toString(ntpTs2));
-		}
-	}
-
-	/**
-	 * Debug purposes only
-	 */
-	public void debugPrint() {
-		System.out.println("RtcpPktSR.debugPrint() ");
-		System.out.println("  SSRC:"+Long.toString(super.ssrc) +" ntpTs1:"+Long.toString(ntpTs1)
-				+" ntpTS2:"+Long.toString(ntpTs2)+" rtpTS:"+Long.toString(rtpTs)
-				+" senderPktCount:"+Long.toString(sendersPktCount)+" sendersOctetCount:"
-				+Long.toString(sendersOctCount));
-		if(this.rReports != null) {
-			System.out.print("  Part of Sender Report: ");	
-			this.rReports.debugPrint();
-			System.out.println("  End Sender Report");
-		} else {
-			System.out.println("No Receiver Reports associated with this Sender Report.");
-		}
-	}
-}