--- a/src/jlibrtp/RTPReceiverThread.java Sat Jan 23 21:48:58 2010 +0100
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,369 +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;
-
-import java.io.IOException;
-import java.net.DatagramPacket;
-import java.net.InetSocketAddress;
-import java.net.SocketException;
-
-import org.sipdroid.net.tools.DatagramPool;
-import org.sipdroid.net.tools.RtpPktPool;
-
-/**
- * The RTP receiver thread waits on the designated UDP socket for new packets.
- *
- * Once one arrives, it is parsed and tested. We also check the ip-address of
- * the sender. If accepted, the packet is added onto the packet buffer of the
- * participant.
- *
- * A separate thread moves the packet from the packet buffer to the application.
- *
- * @author Arne Kepp
- */
-public class RTPReceiverThread extends Thread {
- /** Parent RTP Session */
- RTPSession rtpSession = null;
- DatagramPool datagramPool = null;
-
- RTPReceiverThread(RTPSession session) {
- rtpSession = session;
- datagramPool = DatagramPool.getInstance();
- if (RTPSession.rtpDebugLevel > 1) {
- System.out.println("<-> RTPReceiverThread created");
- }
- }
- public void init() {
- if (RTPSession.rtpDebugLevel > 1) {
- if (rtpSession.mcSession) {
- System.out.println("-> RTPReceiverThread.run() starting on MC "
- + rtpSession.rtpMCSock.getLocalPort());
- } else {
- System.out.println("-> RTPReceiverThread.run() starting on "
- + rtpSession.rtpSock.getLocalPort());
- }
- }
-
- android.os.Process.setThreadPriority(android.os.Process.THREAD_PRIORITY_AUDIO);
-
- DatagramPacket packet = datagramPool.borrowPacket();
- try {
- rtpSession.rtpSock.setSoTimeout(1);
- for (;;)
- rtpSession.rtpSock.receive(packet);
- } catch (SocketException e2) {
-
- } catch (IOException e) {
- }
- datagramPool.returnPacket(packet);
- try {
- rtpSession.rtpSock.setSoTimeout(1000);
- } catch (SocketException e2) {
- }
- }
-
- public void readPacketToBuffer() {
- if (RTPSession.rtpDebugLevel > 6) {
- if (rtpSession.mcSession) {
- System.out
- .println("-> RTPReceiverThread.run() waiting for MC packet on "
- + rtpSession.rtpMCSock.getLocalPort());
- } else {
- System.out
- .println("-> RTPReceiverThread.run() waiting for packet on "
- + rtpSession.rtpSock.getLocalPort());
- }
- }
-
- // Prepare a packet
- //DatagramPacket packet = new DatagramPacket(rawPkt, rawPkt.length);
- DatagramPacket packet = datagramPool.borrowPacket();
- // Wait for it to arrive
- if (!rtpSession.mcSession) {
- // Unicast
- try {
- rtpSession.rtpSock.receive(packet);
- } catch (IOException e) {
- if (!rtpSession.endSession) {
- e.printStackTrace();
- } else {
- return;
- }
- }
- } else {
- // Multicast
- try {
- rtpSession.rtpMCSock.receive(packet);
- } catch (IOException e) {
- if (!rtpSession.endSession) {
- e.printStackTrace();
- } else {
- return;
- }
- }
- }
- // Parse the received RTP (?) packet
- RtpPkt pkt = RtpPktPool.getInstance().borrowPkt();
- pkt.initPacket(packet.getData(), packet.getLength(), packet);
-
- // Check whether it was valid.
- if (pkt == null) {
- System.out.println("Received invalid RTP packet. Ignoring");
- return;
- }
-
- long pktSsrc = pkt.getSsrc();
-
- // Check for loops and SSRC collisions
- if (rtpSession.ssrc == pktSsrc)
- rtpSession.resolveSsrcConflict();
-
- long[] csrcArray = pkt.getCsrcArray();
- if (csrcArray != null) {
- for (int i = 0; i < csrcArray.length; i++) {
- if (csrcArray[i] == rtpSession.ssrc)
- ;
- rtpSession.resolveSsrcConflict();
- }
- }
-
- if (RTPSession.rtpDebugLevel > 17) {
- System.out
- .println("-> RTPReceiverThread.run() rcvd packet, seqNum "
- + pktSsrc);
- if (RTPSession.rtpDebugLevel > 10) {
- System.out.println("-> RTPReceiverThread.run() payload is "
- + pkt.getPayloadLength());
- }
- }
-
- // Find the participant in the database based on SSRC
- //Participant part = rtpSession.partDb.getParticipant(pktSsrc);
- Participant part = rtpSession.firstPart;
- if (part == null) {
- InetSocketAddress nullSocket = null;
- part = new Participant((InetSocketAddress) packet
- .getSocketAddress(), nullSocket, pkt.getSsrc());
- part.unexpected = true;
- rtpSession.partDb.addParticipant(1, part);
- }
-
- // Do checks on whether the datagram came from the expected source
- // for that SSRC.
-
- if (part.rtpAddress == null
- || packet.getAddress().equals(part.rtpAddress.getAddress())) {
- PktBuffer pktBuffer = part.pktBuffer;
-
- if (pktBuffer != null) {
- // A buffer already exists, append to it
- pktBuffer.addPkt(pkt);
- } else {
- // Create a new packet/frame buffer
- pktBuffer = new PktBuffer(this.rtpSession, part, pkt);
- part.pktBuffer = pktBuffer;
- }
- } else {
- System.out
- .println("RTPReceiverThread: Got an unexpected packet from "
- + pkt.getSsrc()
- + " the sending ip-address was "
- + packet.getAddress().toString()
- + ", we expected from "
- + part.rtpAddress.toString());
- }
-
- // Statistics for receiver report.
- part.updateRRStats(packet.getLength(), pkt);
- // Upate liveness
- part.lastRtpPkt = System.currentTimeMillis();
-
- if (RTPSession.rtpDebugLevel > 5) {
- System.out
- .println("<-> RTPReceiverThread signalling pktBufDataReady");
- }
-
- // Signal the thread that pushes data to application
- /*rtpSession.pktBufLock.lock();
- try {
- rtpSession.pktBufDataReady.signalAll();
- } finally {
- rtpSession.pktBufLock.unlock();
- }*/
- }
-
- public void run() {
- if (RTPSession.rtpDebugLevel > 1) {
- if (rtpSession.mcSession) {
- System.out.println("-> RTPReceiverThread.run() starting on MC "
- + rtpSession.rtpMCSock.getLocalPort());
- } else {
- System.out.println("-> RTPReceiverThread.run() starting on "
- + rtpSession.rtpSock.getLocalPort());
- }
- }
-
- android.os.Process.setThreadPriority(android.os.Process.THREAD_PRIORITY_AUDIO);
-
- DatagramPacket packet = datagramPool.borrowPacket();
- try {
- rtpSession.rtpSock.setSoTimeout(1);
- for (;;)
- rtpSession.rtpSock.receive(packet);
- } catch (SocketException e2) {
-
- } catch (IOException e) {
- }
- datagramPool.returnPacket(packet);
- try {
- rtpSession.rtpSock.setSoTimeout(0);
- } catch (SocketException e2) {
- }
- while (!rtpSession.endSession) {
- if (RTPSession.rtpDebugLevel > 6) {
- if (rtpSession.mcSession) {
- System.out
- .println("-> RTPReceiverThread.run() waiting for MC packet on "
- + rtpSession.rtpMCSock.getLocalPort());
- } else {
- System.out
- .println("-> RTPReceiverThread.run() waiting for packet on "
- + rtpSession.rtpSock.getLocalPort());
- }
- }
-
- // Prepare a packet
- //DatagramPacket packet = new DatagramPacket(rawPkt, rawPkt.length);
- packet = datagramPool.borrowPacket();
- // Wait for it to arrive
- if (!rtpSession.mcSession) {
- // Unicast
- try {
- rtpSession.rtpSock.receive(packet);
- } catch (IOException e) {
- if (!rtpSession.endSession) {
- e.printStackTrace();
- } else {
- continue;
- }
- }
- } else {
- // Multicast
- try {
- rtpSession.rtpMCSock.receive(packet);
- } catch (IOException e) {
- if (!rtpSession.endSession) {
- e.printStackTrace();
- } else {
- continue;
- }
- }
- }
- // Parse the received RTP (?) packet
- RtpPkt pkt = RtpPktPool.getInstance().borrowPkt();
- pkt.initPacket(packet.getData(), packet.getLength(), packet);
-
- // Check whether it was valid.
- if (pkt == null) {
- System.out.println("Received invalid RTP packet. Ignoring");
- continue;
- }
-
- long pktSsrc = pkt.getSsrc();
-
- // Check for loops and SSRC collisions
- if (rtpSession.ssrc == pktSsrc)
- rtpSession.resolveSsrcConflict();
-
- long[] csrcArray = pkt.getCsrcArray();
- if (csrcArray != null) {
- for (int i = 0; i < csrcArray.length; i++) {
- if (csrcArray[i] == rtpSession.ssrc)
- ;
- rtpSession.resolveSsrcConflict();
- }
- }
-
- if (RTPSession.rtpDebugLevel > 17) {
- System.out
- .println("-> RTPReceiverThread.run() rcvd packet, seqNum "
- + pktSsrc);
- if (RTPSession.rtpDebugLevel > 10) {
- System.out.println("-> RTPReceiverThread.run() payload is "
- + pkt.getPayloadLength());
- }
- }
-
- // Find the participant in the database based on SSRC
- Participant part = rtpSession.partDb.getParticipant(pktSsrc);
-
- if (part == null) {
- InetSocketAddress nullSocket = null;
- part = new Participant((InetSocketAddress) packet
- .getSocketAddress(), nullSocket, pkt.getSsrc());
- part.unexpected = true;
- rtpSession.partDb.addParticipant(1, part);
- }
-
- // Do checks on whether the datagram came from the expected source
- // for that SSRC.
- if (part.rtpAddress == null
- || packet.getAddress().equals(part.rtpAddress.getAddress())) {
- PktBuffer pktBuffer = part.pktBuffer;
-
- if (pktBuffer != null) {
- // A buffer already exists, append to it
- pktBuffer.addPkt(pkt);
- } else {
- // Create a new packet/frame buffer
- pktBuffer = new PktBuffer(this.rtpSession, part, pkt);
- part.pktBuffer = pktBuffer;
- }
- } else {
- System.out
- .println("RTPReceiverThread: Got an unexpected packet from "
- + pkt.getSsrc()
- + " the sending ip-address was "
- + packet.getAddress().toString()
- + ", we expected from "
- + part.rtpAddress.toString());
- }
-
- // Statistics for receiver report.
- part.updateRRStats(packet.getLength(), pkt);
- // Upate liveness
- part.lastRtpPkt = System.currentTimeMillis();
-
- if (RTPSession.rtpDebugLevel > 5) {
- System.out
- .println("<-> RTPReceiverThread signalling pktBufDataReady");
- }
-
- // Signal the thread that pushes data to application
- rtpSession.pktBufLock.lock();
- try {
- rtpSession.pktBufDataReady.signalAll();
- } finally {
- rtpSession.pktBufLock.unlock();
- }
-
- }
- }
-
-}