Changed the streaming to use UDP.

src/ve/ucv/ciens/ccg/nxtar/NxtARCore.java

@@ -78,7 +78,7 @@ public class NxtARCore implements ApplicationListener, NetworkConnectionListener
 		fps = new FPSLogger();
 		font = new BitmapFont();
 
-		//Gdx.app.setLogLevel(Application.LOG_NONE);
+		Gdx.app.setLogLevel(Application.LOG_DEBUG);
 
 		camera = new OrthographicCamera(1, h/w);
 		batch = new SpriteBatch();

src/ve/ucv/ciens/ccg/nxtar/network/VideoStreamingThread.java

@@ -15,17 +15,18 @@
  */
 package ve.ucv.ciens.ccg.nxtar.network;
 
+import java.io.ByteArrayInputStream;
 import java.io.IOException;
 import java.io.ObjectInputStream;
 import java.io.ObjectOutputStream;
+import java.net.DatagramPacket;
+import java.net.DatagramSocket;
 import java.net.ServerSocket;
 import java.net.Socket;
 
 import ve.ucv.ciens.ccg.networkdata.VideoFrameDataMessage;
-import ve.ucv.ciens.ccg.networkdata.VideoStreamingControlMessage;
 import ve.ucv.ciens.ccg.nxtar.interfaces.NetworkConnectionListener;
 import ve.ucv.ciens.ccg.nxtar.interfaces.Toaster;
-import ve.ucv.ciens.ccg.nxtar.network.protocols.VideoStreamingProtocol;
 import ve.ucv.ciens.ccg.nxtar.utils.ProjectConstants;
 
 import com.badlogic.gdx.Gdx;
@@ -39,6 +40,7 @@ public class VideoStreamingThread extends Thread {
 
 	private NetworkConnectionListener netListener;
 	private ServerSocket server;
+	private DatagramSocket socket;
 	private Toaster toaster;
 	private ProtocolState_t protocolState;
 	private boolean protocolStarted;
@@ -71,6 +73,7 @@ public class VideoStreamingThread extends Thread {
 
 		try{
 			server = new ServerSocket(ProjectConstants.SERVER_TCP_PORT_1);
+			socket = new DatagramSocket(ProjectConstants.SERVER_TCP_PORT_2);
 		}catch(IOException io){
 			Gdx.app.error(TAG, CLASS_NAME + ".VideoStreamingThread() :: Error creating server: " + io.getMessage(), io);
 		}
@@ -336,6 +339,77 @@ public class VideoStreamingThread extends Thread {
 		}
 	}
 
+	private int byteArray2Int(byte[] array){
+		int number = 0;
+		for(int i = 0; i < 4; i++){
+			number |= (array[3-i] & 0xff) << (i << 3);
+		}
+		return number;
+	}
+
+	private void receiveUdp(){
+		try{
+		int intSize;
+		byte[] size = new byte[4];
+		byte[] data;
+		DatagramPacket packet;
+		VideoFrameDataMessage dataMessage;
+		Object tmpMessage;
+
+		Gdx.app.debug(TAG, CLASS_NAME + ".receiveUdp() :: Reading message size from socket.");
+		try{
+			packet = new DatagramPacket(size, size.length);
+			socket.receive(packet);
+		}catch(IOException io){
+			Gdx.app.error(TAG, CLASS_NAME + ".receiveUdp() :: IOException receiving size " + io.getMessage());
+			return;
+		}
+
+		Gdx.app.debug(TAG, CLASS_NAME + ".receiveUdp() :: Creating buffers.");
+		intSize = byteArray2Int(size);
+		data = new byte[intSize];
+
+		Gdx.app.debug(TAG, CLASS_NAME + ".receiveUdp() :: Reading message from socket.");
+		try{
+			packet = new DatagramPacket(data, data.length);
+			socket.receive(packet);
+		}catch(IOException io){
+			Gdx.app.error(TAG, CLASS_NAME + ".receiveUdp() :: IOException receiving data " + io.getMessage());
+			return;
+		}
+
+		ByteArrayInputStream bais = new ByteArrayInputStream(data);
+
+		Gdx.app.debug(TAG, CLASS_NAME + ".receiveUdp() :: Saving message in monitor.");
+		try{
+			ObjectInputStream ois = new ObjectInputStream(bais);
+			tmpMessage = ois.readObject();
+
+			if(tmpMessage instanceof VideoFrameDataMessage){
+				Gdx.app.debug(TAG, CLASS_NAME + ".receiveUdp() :: Received a data message.");
+				dataMessage = (VideoFrameDataMessage) tmpMessage;
+
+				Gdx.app.debug(TAG, CLASS_NAME + ".receiveUdp() :: Received frame dimensions are: " +
+						Integer.toString(dataMessage.imageWidth) + "x" + Integer.toString(dataMessage.imageHeight));
+				frameMonitor.setFrameDimensions(dataMessage.imageWidth, dataMessage.imageHeight);
+				frameMonitor.setNewFrame(dataMessage.data);
+
+			}else{
+				Gdx.app.debug(TAG, CLASS_NAME + ".receiveUdp() :: Received something unknown.");
+			}
+		}catch(IOException io){
+			Gdx.app.error(TAG, CLASS_NAME + ".receiveUdp() :: IOException received deserializing message " + io.getMessage());
+			return;
+		}catch(ClassNotFoundException cn){
+			Gdx.app.error(TAG, CLASS_NAME + ".receiveUdp() :: ClassNotFoundException received " + cn.getMessage());
+			return;
+		}
+		}catch(Exception e){
+			Gdx.app.error(TAG, CLASS_NAME + ".receiveUdp() :: Exception received " + e.getMessage());
+			return;
+		}
+	}
+
 	public int getFps(){
 		return fps;
 	}
@@ -362,7 +436,9 @@ public class VideoStreamingThread extends Thread {
 		then = System.currentTimeMillis();
 
 		while(!done){
-			receiveImage();
+			//receiveImage();
+			Gdx.app.debug(TAG, CLASS_NAME + ".run() :: Receiving.");
+			receiveUdp();
 			frames++;
 			now = System.currentTimeMillis();
 			delta = now - then;