/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */
 
/*
 * Acceder2Frames.java
 *
 * Created on 30/06/2010, 10:15:01 PM
 */
 
package com.blogspot.rolandopalermo.sockets;
 
import java.awt.BorderLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.image.BufferedImage;
import java.io.ByteArrayOutputStream;
import java.io.EOFException;
import java.io.IOException;
import java.io.ObjectOutputStream;
import java.net.InetAddress;
import java.net.Socket;
import javax.imageio.ImageIO;
import javax.media.Buffer;
import javax.media.CaptureDeviceInfo;
import javax.media.CaptureDeviceManager;
import javax.media.Manager;
import javax.media.MediaLocator;
import javax.media.Player;
import javax.media.Processor;
import javax.media.control.FrameGrabbingControl;
import javax.media.format.VideoFormat;
import javax.media.util.BufferToImage;
import javax.swing.Timer;
 
/**
 *
 * @author Rolando
 */
public class Acceder2Frames extends javax.swing.JFrame {
 
    //Atributos necesarios para acceder a una cámara web
    private static Player player = null;
    private MediaLocator localizador = null;
    private Processor p;
    private CaptureDeviceInfo dispositivo = null;
    private static String source = "vfw:Microsoft WDM Image Capture (Win32):0";
    private Timer timer;
    private Buffer buffer;
    private BufferToImage buffer_image = null;
 
    /** Creates new form Acceder2Frames */
    public Acceder2Frames(String host) {
        initComponents();
        servidorChat = host;
        dispositivo = CaptureDeviceManager.getDevice(source);
        localizador = dispositivo.getLocator();
        timer = new Timer (1, new ActionListener () {   //Cada 1 milisegundo capturará el frame de video
            public void actionPerformed(ActionEvent e) {
                FrameGrabbingControl fgc = (FrameGrabbingControl)player.getControl("javax.media.control.FrameGrabbingControl");
                buffer = fgc.grabFrame();
                // Convert it to an image
                buffer_image = new BufferToImage((VideoFormat)buffer.getFormat());
                BufferedImage bufferedImage = (BufferedImage)buffer_image.createImage(buffer);
                ByteArrayOutputStream salidaImagen = new ByteArrayOutputStream();
                try {
                    ImageIO.write(bufferedImage, "jpg", salidaImagen);
                    byte[] bytesImagen = salidaImagen.toByteArray();
                    salida.writeObject( bytesImagen );
                    salida.flush();
                //                panelCaptura.setImage(img);
                } catch ( Exception excepcionEOF ) {
                    System.err.println( "El cliente termino la conexión" );
                }
            }
        });
        setLocationRelativeTo(null);
        setVisible(true);
    }
 
    private void iniciarCaptura() {
        try {
            player = Manager.createRealizedPlayer(localizador);
            player.start();
            if (player.getVisualComponent() != null) {
                panelVideo.add(player.getVisualComponent(), BorderLayout.CENTER);
                panelVideo.updateUI();
            }
        } catch (Exception e) {
            System.err.println(e.toString());
        }
    }
 
    public void acceso2Frames() {
        timer.start();
    }
 
    /** 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.
     */
    @SuppressWarnings("unchecked")
    // <editor-fold defaultstate="collapsed" desc="Generated Code">//GEN-BEGIN:initComponents
    private void initComponents() {
 
        panelVideo = new javax.swing.JPanel();
        panelOpciones = new javax.swing.JPanel();
        botonSalir = new javax.swing.JButton();
 
        setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);
        setTitle("Captura de Video - Transmisor de video");
 
        panelVideo.setLayout(new java.awt.BorderLayout());
 
        panelOpciones.setBackground(new java.awt.Color(204, 204, 204));
 
        botonSalir.setText("Cerrar");
        botonSalir.setOpaque(false);
        botonSalir.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                botonSalirActionPerformed(evt);
            }
        });
        panelOpciones.add(botonSalir);
 
        javax.swing.GroupLayout layout = new javax.swing.GroupLayout(getContentPane());
        getContentPane().setLayout(layout);
        layout.setHorizontalGroup(
            layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(javax.swing.GroupLayout.Alignment.TRAILING, layout.createSequentialGroup()
                .addContainerGap()
                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.TRAILING)
                    .addComponent(panelVideo, javax.swing.GroupLayout.Alignment.LEADING, javax.swing.GroupLayout.DEFAULT_SIZE, 351, Short.MAX_VALUE)
                    .addComponent(panelOpciones, javax.swing.GroupLayout.Alignment.LEADING, javax.swing.GroupLayout.DEFAULT_SIZE, 351, Short.MAX_VALUE))
                .addContainerGap())
        );
        layout.setVerticalGroup(
            layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(javax.swing.GroupLayout.Alignment.TRAILING, layout.createSequentialGroup()
                .addContainerGap()
                .addComponent(panelVideo, javax.swing.GroupLayout.DEFAULT_SIZE, 278, Short.MAX_VALUE)
                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                .addComponent(panelOpciones, javax.swing.GroupLayout.PREFERRED_SIZE, 33, javax.swing.GroupLayout.PREFERRED_SIZE)
                .addContainerGap())
        );
 
        pack();
    }// </editor-fold>//GEN-END:initComponents
 
    private void botonSalirActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_botonSalirActionPerformed
        // TODO add your handling code here:
        if(player != null) {
            player.close();
            player.deallocate();
        }
        timer.stop();
        cerrarConexion();
        System.exit(0);
    }//GEN-LAST:event_botonSalirActionPerformed
 
    private void ejecutarCliente() {
        try {
            conectarAServidor(); // Paso 1: crear un socket para realizar la conexión
            salida = new ObjectOutputStream( cliente.getOutputStream() );
            salida.flush(); // vacíar búfer de salida para enviar información de encabezado
            acceso2Frames();
        } catch ( EOFException excepcionEOF ) {
            System.err.println( "El cliente termino la conexión" );
        } catch ( IOException excepcionES ) {
            excepcionES.printStackTrace();
        }
    } // fin del método ejecutarCliente
 
    // conectarse al servidor
    private void conectarAServidor() throws IOException {
        cliente = new Socket( InetAddress.getByName( servidorChat ), 12345 );
    }
 
    private void cerrarConexion() {
        System.out.println( "\nCerrando conexión" );
        try {
            salida.close();
            cliente.close();
        } catch( IOException excepcionES ) {
            excepcionES.printStackTrace();
        }
    }
 
    /**
    * @param args the command line arguments
    */
    public static void main(String args[]) {
        setDefaultLookAndFeelDecorated(true);
        Acceder2Frames ventana = new Acceder2Frames("127.0.0.1");
        ventana.iniciarCaptura();
        ventana.ejecutarCliente();
    }
 
    private ObjectOutputStream salida;
    private String servidorChat;
    private Socket cliente;
    // Variables declaration - do not modify//GEN-BEGIN:variables
    private javax.swing.JButton botonSalir;
    private javax.swing.JPanel panelOpciones;
    private javax.swing.JPanel panelVideo;
    // End of variables declaration//GEN-END:variables
 
}
 

	BufferedImage bufferedImage = new BufferedImage(image.getWidth(null), image.getHeight(null), BufferedImage.TYPE_INT_ARGB);  
		Graphics2D graphics2d = bufferedImage.createGraphics();  
		graphics2d.drawImage(image, 0, 0, null);  
		ByteArrayOutputStream byteArrayOutputStream=new ByteArrayOutputStream();
		try {
			ImageIO.write(bufferedImage, "png", byteArrayOutputStream);
			byte bytes[]=byteArrayOutputStream.toByteArray();
		} catch (FileNotFoundException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		} catch (IOException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}