Clone DataSource - view video while transmitting - EXAMPLE no answer

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Thanks to me and captfoss, I create this application for all who want to understand how to clone DataSource.
Use this on SERVER side
* @(#)AVTransmit3.java     1.2 01/03/13
* Copyright (c) 1999-2001 Sun Microsystems, Inc. All Rights Reserved.
* Sun grants you ("Licensee") a non-exclusive, royalty free, license to use,
* modify and redistribute this software in source and binary code form,
* provided that i) this copyright notice and license appear on all copies of
* the software; and ii) Licensee does not utilize the software in a manner
* which is disparaging to Sun.
* This software is provided "AS IS," without a warranty of any kind. ALL
* EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND WARRANTIES, INCLUDING ANY
* IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE OR
* NON-INFRINGEMENT, ARE HEREBY EXCLUDED. SUN AND ITS LICENSORS SHALL NOT BE
* LIABLE FOR ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING
* OR DISTRIBUTING THE SOFTWARE OR ITS DERIVATIVES. IN NO EVENT WILL SUN OR ITS
* LICENSORS BE LIABLE FOR ANY LOST REVENUE, PROFIT OR DATA, OR FOR DIRECT,
* INDIRECT, SPECIAL, CONSEQUENTIAL, INCIDENTAL OR PUNITIVE DAMAGES, HOWEVER
* CAUSED AND REGARDLESS OF THE THEORY OF LIABILITY, ARISING OUT OF THE USE OF
* OR INABILITY TO USE SOFTWARE, EVEN IF SUN HAS BEEN ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGES.
* This software is not designed or intended for use in on-line control of
* aircraft, air traffic, aircraft navigation or aircraft communications; or in
* the design, construction, operation or maintenance of any nuclear
* facility. Licensee represents and warrants that it will not use or
* redistribute the Software for such purposes.
import java.awt.*;
import java.io.*;
import java.net.InetAddress;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.media.*;
import javax.media.protocol.*;
import javax.media.protocol.DataSource;
import javax.media.format.*;
import javax.media.control.TrackControl;
import javax.media.control.QualityControl;
import javax.media.rtp.*;
import javax.media.rtp.rtcp.*;
public class AVTransmit3 {
    // Input MediaLocator
    // Can be a file or http or capture source
    private MediaLocator locator;
    private String ipAddress;
    private int portBase;
    private Processor processor = null;
    private RTPManager rtpMgrs[];
    private DataSource dataOutput = null;
    private static boolean v = false;  
     private static DataSource ds = null;
    private static DataSource clone;
     private static DataSource cloned;       
    private String VFORMAT = "h263/rtp";   
    private String AFORMAT = "mpegaudio/rtp";   
    public AVTransmit3(MediaLocator locator,
                String ipAddress,
                String pb,
                Format format) {
     this.locator = locator;
     this.ipAddress = ipAddress;
     Integer integer = Integer.valueOf(pb);
     if (integer != null)
         this.portBase = integer.intValue();
     * Starts the transmission. Returns null if transmission started ok.
     * Otherwise it returns a string with the reason why the setup failed.
    public synchronized String start() {
     String result;
     // Create a processor for the specified media locator
     // and program it to output JPEG/RTP
     result = createProcessor();
     if (result != null)
         return result;
     // Create an RTP session to transmit the output of the
     // processor to the specified IP address and port no.
     result = createTransmitter();
     if (result != null) {
         processor.close();
         processor = null;
         return result;
     // Start the transmission
     processor.start();
     return null;
     * Stops the transmission if already started
    public void stop() {
     synchronized (this) {
         if (processor != null) {
          processor.stop();
          processor.close();
          processor = null;
          for (int i = 0; i < rtpMgrs.length; i++) {
              rtpMgrs.removeTargets( "Session ended.");
          rtpMgrs[i].dispose();
private String createProcessor() {
     if (locator == null)
     return "Locator is null";
     try {
     ds = javax.media.Manager.createDataSource(locator);
     } catch (Exception e) {
     return "Couldn't create DataSource";
//----------------------------------------------------Start
if(v)
/* Get a clonable version of our datasource */
ds = Manager.createCloneableDataSource(ds);
/* Make sure we got a clonable version before we try to clone it */
if (ds == null) {
System.err.println("Cannot get a clonable version of the datasource");
System.exit(0);
/* Create the clone of our original datasource */
DataSource dsClone = ((SourceCloneable)ds).createClone();
/* Make sure the clone happened successfully */
if (dsClone == null) {
System.err.println("Could not clone our datasource");
System.exit(0);
/* Create a new Clone class */
Clone cloneV = new Clone();
/* Open our clone class with our datasource clone */
if (! cloneV.open(dsClone))
System.exit(0);
//----------------------------------------------------End
     // Try to create a processor to handle the input media locator
     try {
     processor = javax.media.Manager.createProcessor(ds);
     } catch (NoProcessorException npe) {
     return "Couldn't create processor";
     } catch (IOException ioe) {
     return "IOException creating processor";
     // Wait for it to configure
     boolean result = waitForState(processor, Processor.Configured);
     if (result == false)
     return "Couldn't configure processor";
     // Get the tracks from the processor
     TrackControl [] tracks = processor.getTrackControls();
     // Do we have atleast one track?
     if (tracks == null || tracks.length < 1)
     return "Couldn't find tracks in processor";
     // Set the output content descriptor to RAW_RTP
     // This will limit the supported formats reported from
     // Track.getSupportedFormats to only valid RTP formats.
     ContentDescriptor cd = new ContentDescriptor(ContentDescriptor.RAW_RTP);
     processor.setContentDescriptor(cd);
     Format supported[];
     Format chosen = null;
     boolean atLeastOneTrack = false;
     // Program the tracks.
     for (int i = 0; i < tracks.length; i++)
AudioFormat aFormat = new AudioFormat(AFORMAT, 22050.00, 16, 1);
     Format format = tracks[i].getFormat();
     if (tracks[i].isEnabled())
          supported = tracks[i].getSupportedFormats();
          // We've set the output content to the RAW_RTP.
          // So all the supported formats should work with RTP.
          // We'll just pick the first one.
          if (supported.length > 0)
for(int k = 0; k < supported.length; k++)
if ((supported[k] instanceof VideoFormat) &&
(supported[k].getEncoding().equalsIgnoreCase(VFORMAT)))
// For video formats, we should double check the
// sizes since not all formats work in all sizes.
// Choose the H263rtp
chosen = checkForVideoSizes(tracks[i].getFormat(), supported[k]);
v = true;
break;
else if ((supported[k] instanceof AudioFormat) &&
(supported[k].matches(aFormat)))
// For audio formats
// Choose the H263rtp
// chosen = supported[3];
chosen = supported[k];
v = false;
break;
          tracks[i].setFormat(chosen);
          System.err.println("Track " + i + " is set to transmit as:");
          System.err.println(" " + chosen);
          atLeastOneTrack = true;
          } else
          tracks[i].setEnabled(false);
     } else
          tracks[i].setEnabled(false);
     if (!atLeastOneTrack)
     return "Couldn't set any of the tracks to a valid RTP format";
     // Realize the processor. This will internally create a flow
     // graph and attempt to create an output datasource for JPEG/RTP
     // audio frames.
     result = waitForState(processor, Controller.Realized);
     if (result == false)
     return "Couldn't realize processor";
     // Set the JPEG quality to .5.
     setJPEGQuality(processor, 0.5f);
     // Get the output data source of the processor
     dataOutput = processor.getDataOutput();
     return null;
* Use the RTPManager API to create sessions for each media
* track of the processor.
private String createTransmitter() {
     // Cheated. Should have checked the type.
     PushBufferDataSource pbds = (PushBufferDataSource)dataOutput;
     PushBufferStream pbss[] = pbds.getStreams();
     rtpMgrs = new RTPManager[pbss.length];
     SendStream sendStream;
     int port;
     SourceDescription srcDesList[];
     for (int i = 0; i < pbss.length; i++) {
     try {
          rtpMgrs[i] = RTPManager.newInstance();     
          port = portBase + 2*i;
          // Initialize the RTPManager with the RTPSocketAdapter
          rtpMgrs[i].initialize(new RTPSocketAdapter(
                         InetAddress.getByName(ipAddress),
                         port));
          System.err.println( "Created RTP session: " + ipAddress + " " + port);
          sendStream = rtpMgrs[i].createSendStream(dataOutput, i);          
          sendStream.start();
     } catch (Exception e) {
          return e.getMessage();
     return null;
* For JPEG and H263, we know that they only work for particular
* sizes. So we'll perform extra checking here to make sure they
* are of the right sizes.
Format checkForVideoSizes(Format original, Format supported) {
     int width, height;
     Dimension size = ((VideoFormat)original).getSize();
     Format jpegFmt = new Format(VideoFormat.JPEG_RTP);
     Format h263Fmt = new Format(VideoFormat.H263_RTP);
     if (supported.matches(jpegFmt)) {
     // For JPEG, make sure width and height are divisible by 8.
     width = (size.width % 8 == 0 ? size.width :
                    (int)(size.width / 8) * 8);
     height = (size.height % 8 == 0 ? size.height :
                    (int)(size.height / 8) * 8);
     } else if (supported.matches(h263Fmt)) {
     // For H.263, we only support some specific sizes.
     if (size.width < 128) {
          width = 128;
          height = 96;
     } else if (size.width < 176) {
          width = 176;
          height = 144;
     } else {
          width = 352;
          height = 288;
     } else {
     // We don't know this particular format. We'll just
     // leave it alone then.
     return supported;
     return (new VideoFormat(null,
                    new Dimension(width, height),
                    Format.NOT_SPECIFIED,
                    null,
                    Format.NOT_SPECIFIED)).intersects(supported);
* Setting the encoding quality to the specified value on the JPEG encoder.
* 0.5 is a good default.
void setJPEGQuality(Player p, float val) {
     Control cs[] = p.getControls();
     QualityControl qc = null;
     VideoFormat jpegFmt = new VideoFormat(VideoFormat.JPEG);
     // Loop through the controls to find the Quality control for
     // the JPEG encoder.
     for (int i = 0; i < cs.length; i++) {
     if (cs[i] instanceof QualityControl &&
          cs[i] instanceof Owned) {
          Object owner = ((Owned)cs[i]).getOwner();
          // Check to see if the owner is a Codec.
          // Then check for the output format.
          if (owner instanceof Codec) {
          Format fmts[] = ((Codec)owner).getSupportedOutputFormats(null);
          for (int j = 0; j < fmts.length; j++) {
               if (fmts[j].matches(jpegFmt)) {
               qc = (QualityControl)cs[i];
               qc.setQuality(val);
               System.err.println("- Setting quality to " +
                         val + " on " + qc);
               break;
          if (qc != null)
          break;
* Convenience methods to handle processor's state changes.
private Integer stateLock = new Integer(0);
private boolean failed = false;
Integer getStateLock() {
     return stateLock;
void setFailed() {
     failed = true;
private synchronized boolean waitForState(Processor p, int state) {
     p.addControllerListener(new StateListener());
     failed = false;
     // Call the required method on the processor
     if (state == Processor.Configured) {
     p.configure();
     } else if (state == Processor.Realized) {
     p.realize();
     // Wait until we get an event that confirms the
     // success of the method, or a failure event.
     // See StateListener inner class
     while (p.getState() < state && !failed) {
     synchronized (getStateLock()) {
          try {
          getStateLock().wait();
          } catch (InterruptedException ie) {
          return false;
     if (failed)
     return false;
     else
     return true;
* Inner Classes
class StateListener implements ControllerListener {
     public void controllerUpdate(ControllerEvent ce) {
     // If there was an error during configure or
     // realize, the processor will be closed
     if (ce instanceof ControllerClosedEvent)
          setFailed();
     // All controller events, send a notification
     // to the waiting thread in waitForState method.
     if (ce instanceof ControllerEvent) {
          synchronized (getStateLock()) {
          getStateLock().notifyAll();
* Sample Usage for AVTransmit3 class
public static void main(String [] args) {
     // We need three parameters to do the transmission
     // For example,
     // java AVTransmit3 file:/C:/media/test.mov 129.130.131.132 42050
     Format fmt = null;
     int i = 0;
String title = "Video";
     // Create a audio transmit object with the specified params.
AVTransmit3 at = new AVTransmit3(new MediaLocator("vfw://0"),
                         "192.168.0.3", "12345", fmt);
//View GUI
JFrameMain jfm = new JFrameMain(at);
jfm.setVisible(true);
jfm.setTitle(title);
if(title.equals("Video"))
jfm.setLocation(jfm.getX()+180, jfm.getY());
v = true;
     // Start the transmission
     String result = at.start();
     // result will be non-null if there was an error. The return
     // value is a String describing the possible error. Print it.
     if (result != null) {
     System.err.println("Error : " + result);
     System.exit(0);
     System.err.println("Start transmission...");
try {
Thread.sleep(2000);
} catch (InterruptedException ex) {
Logger.getLogger(AVTransmit3.class.getName()).log(Level.SEVERE, null, ex);
/* Clone.java
* To change this template, choose Tools | Templates
* and open the template in the editor.
import java.awt.*;
import javax.media.*;
import javax.media.protocol.DataSource;
public class Clone extends Frame implements ControllerListener {
Player p;
Object waitSync = new Object();
boolean stateTransitionOK = true;
* Given a DataSource, create a player and use that player
* as a player to playback the media.
public boolean open(DataSource ds) {
     System.err.println("create player for: " + ds.getContentType());
     try {
     p = Manager.createPlayer(ds);
     } catch (Exception e) {
     System.err.println("Failed to create a player from the given DataSource: " + e);
     return false;
     p.addControllerListener(this);
     // Realize the player.
     p.prefetch();
     if (!waitForState(p.Prefetched)) {
     System.err.println("Failed to realize the player.");
     return false;
     // Display the visual & control component if there's one.
     setLayout(new BorderLayout());
//     Component cc;
     Component vc;
     if ((vc = p.getVisualComponent()) != null) {
     add("Center", vc);
//     if ((cc = p.getControlPanelComponent()) != null) {
//     add("South", cc);
     // Start the player.
     p.start();
     setVisible(true);
     return true;
public void addNotify() {
     super.addNotify();
     pack();
* Block until the player has transitioned to the given state.
* Return false if the transition failed.
boolean waitForState(int state) {
     synchronized (waitSync) {
     try {
          while (p.getState() < state && stateTransitionOK)
          waitSync.wait();
     } catch (Exception e) {}
     return stateTransitionOK;
* Controller Listener.
public void controllerUpdate(ControllerEvent evt) {
     if (evt instanceof ConfigureCompleteEvent ||
     evt instanceof RealizeCompleteEvent ||
     evt instanceof PrefetchCompleteEvent) {
     synchronized (waitSync) {
          stateTransitionOK = true;
          waitSync.notifyAll();
     } else if (evt instanceof ResourceUnavailableEvent) {
     synchronized (waitSync) {
          stateTransitionOK = false;
          waitSync.notifyAll();
     } else if (evt instanceof EndOfMediaEvent) {
     p.close();
     //System.exit(0);
     } else if (evt instanceof SizeChangeEvent) {
* @(#)RTPSocketAdapter.java     1.2 01/03/13
* Copyright (c) 1999-2001 Sun Microsystems, Inc. All Rights Reserved.
* Sun grants you ("Licensee") a non-exclusive, royalty free, license to use,
* modify and redistribute this software in source and binary code form,
* provided that i) this copyright notice and license appear on all copies of
* the software; and ii) Licensee does not utilize the software in a manner
* which is disparaging to Sun.
* This software is provided "AS IS," without a warranty of any kind. ALL
* EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND WARRANTIES, INCLUDING ANY
* IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE OR
* NON-INFRINGEMENT, ARE HEREBY EXCLUDED. SUN AND ITS LICENSORS SHALL NOT BE
* LIABLE FOR ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING
* OR DISTRIBUTING THE SOFTWARE OR ITS DERIVATIVES. IN NO EVENT WILL SUN OR ITS
* LICENSORS BE LIABLE FOR ANY LOST REVENUE, PROFIT OR DATA, OR FOR DIRECT,
* INDIRECT, SPECIAL, CONSEQUENTIAL, INCIDENTAL OR PUNITIVE DAMAGES, HOWEVER
* CAUSED AND REGARDLESS OF THE THEORY OF LIABILITY, ARISING OUT OF THE USE OF
* OR INABILITY TO USE SOFTWARE, EVEN IF SUN HAS BEEN ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGES.
* This software is not designed or intended for use in on-line control of
* aircraft, air traffic, aircraft navigation or aircraft communications; or in
* the design, construction, operation or maintenance of any nuclear
* facility. Licensee represents and warrants that it will not use or
* redistribute the Software for such purposes.
import java.io.IOException;
import java.net.InetAddress;
import java.net.DatagramSocket;
import java.net.MulticastSocket;
import java.net.DatagramPacket;
import java.net.SocketException;
import javax.media.protocol.DataSource;
import javax.media.protocol.PushSourceStream;
import javax.media.protocol.ContentDescriptor;
import javax.media.protocol.SourceTransferHandler;
import javax.media.rtp.RTPConnector;
import javax.media.rtp.OutputDataStream;
* An implementation of RTPConnector based on UDP sockets.
public class RTPSocketAdapter implements RTPConnector {
DatagramSocket dataSock;
DatagramSocket ctrlSock;
InetAddress addr;
int port;
SockInputStream dataInStrm = null, ctrlInStrm = null;
SockOutputStream dataOutStrm = null, ctrlOutStrm = null;
public RTPSocketAdapter(InetAddress addr, int port) throws IOException {
     this(addr, port, 1);
public RTPSocketAdapter(InetAddress addr, int port, int ttl) throws IOException {
     try {
     if (addr.isMulticastAddress()) {
          dataSock = new MulticastSocket(port);
          ctrlSock = new MulticastSocket(port+1);
          ((MulticastSocket)dataSock).joinGroup(addr);
          ((MulticastSocket)dataSock).setTimeToLive(ttl);
          ((MulticastSocket)ctrlSock).joinGroup(addr);
          ((MulticastSocket)ctrlSock).setTimeToLive(ttl);
     } else {
          dataSock = new DatagramSocket(port, InetAddress.getLocalHost());
          ctrlSock = new DatagramSocket(port+1, InetAddress.getLocalHost());
     } catch (SocketException e) {
     throw new IOException(e.getMessage());
     this.addr = addr;
     this.port = port;
* Returns an input stream to receive the RTP data.
public PushSourceStream getDataInputStream() throws IOException {
     if (dataInStrm == null) {
     dataInStrm = new SockInputStream(dataSock, addr, port);
     dataInStrm.start();
     return dataInStrm;
* Returns an output stream to send the RTP data.
public OutputDataStream getDataOutputStream() throws IOException {
     if (dataOutStrm == null)
     dataOutStrm = new SockOutputStream(dataSock, addr, port);
     return dataOutStrm;
* Returns an input stream to receive the RTCP data.
public PushSourceStream getControlInputStream() throws IOException {
     if (ctrlInStrm == null) {
     ctrlInStrm = new SockInputStream(ctrlSock, addr, port+1);
     ctrlInStrm.start();
     return ctrlInStrm;
* Returns an output stream to send the RTCP data.
public OutputDataStream getControlOutputStream() throws IOException {
     if (ctrlOutStrm == null)
     ctrlOutStrm = new SockOutputStream(ctrlSock, addr, port+1);
     return ctrlOutStrm;
* Close all the RTP, RTCP streams.
public void close() {
     if (dataInStrm != null)
     dataInStrm.kill();
     if (ctrlInStrm != null)
     ctrlInStrm.kill();
     dataSock.close();
     ctrlSock.close();
* Set the receive buffer size of the RTP data channel.
* This is only a hint to the implementation. The actual implementation
* may not be able to do anything to this.
public void setReceiveBufferSize( int size) throws IOException {
     dataSock.setReceiveBufferSize(size);
* Get the receive buffer size set on the RTP data channel.
* Return -1 if the receive buffer size is not applicable for
* the implementation.
public int getReceiveBufferSize() {
     try {
     return dataSock.getReceiveBufferSize();
     } catch (Exception e) {
     return -1;
* Set the send buffer size of the RTP data channel.
* This is only a hint to the implementation. The actual implementation
* may not be able to do anything to this.
public void setSendBufferSize( int size) throws IOException {
     dataSock.setSendBufferSize(size);
* Get the send buffer size set on the RTP data channel.
* Return -1 if the send buffer size is not applicable for
* the implementation.
public int getSendBufferSize() {
     try {
     return dataSock.getSendBufferSize();
     } catch (Exception e) {
     return -1;
* Return the RTCP bandwidth fraction. This value is used to
* initialize the RTPManager. Check RTPManager for more detauls.
* Return -1 to use the default values.
public double getRTCPBandwidthFraction() {
     return -1;
* Return the RTCP sender bandwidth fraction. This value is used to
* initialize the RTPManager. Check RTPManager for more detauls.
* Return -1 to use the default values.
public double getRTCPSenderBandwidthFraction() {
     return -1;
* An inner class to implement an OutputDataStream based on UDP sockets.
class SockOutputStream implements OutputDataStream {
     DatagramSocket sock;
     InetAddress addr;
     int port;
     public SockOutputStream(DatagramSocket sock, InetAddress addr, int port) {
     this.sock = sock;
     this.addr = addr;
     this.port = port;
     public int write(byte data[], int offset, int len) {
     try {
          sock.send(new DatagramPacket(data, offset, len, addr, port));
     } catch (Exception e) {
          return -1;
     return len;
* An inner class to implement an PushSourceStream based on UDP sockets.
class SockInputStream extends Thread implements PushSourceStream {
     DatagramSocket sock;
     InetAddress addr;
     int port;
     boolean done = false;
     boolean dataRead = false;
     SourceTransferHandler sth = null;
     public SockInputStream(DatagramSocket sock, InetAddress addr, int port) {
     this.sock = sock;
     this.addr = addr;
     this.port = port;
     public int read(byte buffer[], int offset, int length) {
     DatagramPacket p = new DatagramPacket(buffer, offset, length, addr, port);
     try {
          sock.receive(p);
     } catch (IOException e) {
          return -1;
     synchronized (this) {
          dataRead = true;
          notify();
     return p.getLength();
     public synchronized void start() {
     super.start();
     if (sth != null) {
          dataRead = true;
          notify();
     public synchronized void kill() {
     done = true;
     notify();
     public int getMinimumTransferSize() {
     return 2 * 1024;     // twice the MTU size, just to be safe.
     public synchronized void setTransferHandler(SourceTransferHandler sth) {
     this.sth = sth;
     dataRead = true;
     notify();
     // Not applicable.
     public ContentDescriptor getContentDescriptor() {
     return null;
     // Not applicable.
     public long getContentLength() {
     return LENGTH_UNKNOWN;
     // Not applicable.
     public boolean endOfStream() {
     return false;
     // Not applicable.
     public Object[] getControls() {
     return new Object[0];
     // Not applicable.
     public Object getControl(String type) {
     return null;
     * Loop and notify the transfer handler of new data.
     public void run() {
     while (!done) {
          synchronized (this) {
          while (!dataRead && !done) {
               try {
               wait();
               } catch (InterruptedException e) { }
          dataRead = false;
          if (sth != null && !done) {
          sth.transferData(this);
* JFrameMain.java
* @author Giovanni
public class JFrameMain extends javax.swing.JFrame {
/** Creates new form JFrameMain */
public JFrameMain(AVTransmit3 avt) {
avTransmit = avt;
initComponents();
/** This method is called from within the constructor to
* initialize the form.
* WARNING: Do NOT modify this code. The content of this method is
* always regenerated by the Form Editor.
// <editor-fold defaultstate="collapsed" desc="Generated Code">
private void initComponents() {
jButtonFine = new javax.swing.JButton();
setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);
setResizable(false);
jButtonFine.setText("Fine Trasmissione");
jButtonFine.addMouseListener(new java.awt.event.MouseAdapter() {
public void mousePressed(java.awt.event.MouseEvent evt) {
jButtonFineMousePressed(evt);
javax.swing.GroupLayout layout = new javax.swing.GroupLayout(getContentPane());
getContentPane().setLayout(layout);
layout.setHorizontalGroup(
layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(layout.createSequentialGroup()
.addContainerGap()
.addComponent(jButtonFine, javax.swing.GroupLayout.DEFAULT_SIZE, 124, Short.MAX_VALUE)
.addContainerGap())
layout.setVerticalGroup(
layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(layout.createSequentialGroup()
.addContainerGap()
.addComponent(jButtonFine, javax.swing.GroupLayout.DEFAULT_SIZE, 32, Short.MAX_VALUE)
.addContainerGap())
setBounds(600, 110, 160, 90);
}// </editor-fold>
private void jButtonFineMousePressed(java.awt.event.MouseEvent evt) {                                        
avTransmit.stop();
System.exit(0);
* @param args the command line arguments
public static void main(String args[]) {
java.awt.EventQueue.invokeLater(new Runnable() {
public void run() {
// new JFrameMain().setVisible(true);
// Variables declaration - do not modify
private javax.swing.JButton jButtonFine;
// End of variables declaration
private AVTransmit3 avTransmit = null;
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  

Answer 1

It's shake and bake, and I helped...