how to set time
hi,
i am wrote the code for displaying media from webcam .In the code i am using capture button, click this one frame is captured and save in to local system,but i want automatically save the frame for every requied time.i am sending code
pls help me
[code]
import javax.swing.*;
import javax.swing.event.*;
import java.io.*;
import javax.media.*;
import javax.media.format.*;
import javax.media.util.*;
import javax.media.control.*;
import javax.media.protocol.*;
import java.util.*;
import java.awt.*;
import java.awt.image.*;
import java.awt.event.*;
import com.sun.image.codec.jpeg.*;
class ting1 extends JFrame implements ControllerListener,ActionListener
{
//Variables for gui
public JButton play=new JButton("Play");
public JButton stop=new JButton("Stop");
public JButton cap = new JButton("cap");
public JPanel p1=new JPanel();
public JPanel p2=new JPanel();
public JPanel p3=new JPanel();
Container c;
//Variables for videocapturing
boolean stateTransitionOK = true;
Object waitSync = new Object();
Processor p;
public BufferToImage btoi = null;
//public int i=0;
public Buffer buf = null;
public Image img = null;
public VideoFormat vf = null;
///Variables required to store the movie
DataSink sink;
//try{
//System.out.println("how to storing");
MediaLocator dest = new MediaLocator("C:\new.jpg");
//System.out.println("ok");
//}
//catch(Exception e){
//e.printStackTrace();
//}
///methods
public ting1()
{
super("Video Capture Demo");
setupvideocapture();
setupgui();
}
public void setupgui()
{
c.add(play);
c.add(stop);
c.add(cap);
addWindowListener(new WindowHandler());
stop.addActionListener(this);
play.addActionListener(this);
cap.addActionListener(this);
setSize(350,350);
setVisible(true);
show();
}
public void actionPerformed(ActionEvent ae)
{
String str;
str=ae.getActionCommand();
if(str=="Play")
{
try
{
//Before starting capturing store the movie to the HDD
p.start();
sink = Manager.createDataSink(p.getDataOutput(), dest);
sink.open();
sink.start();
}
catch(Exception e)
{
}
}
else if(str=="Stop")
{
try
{
// sink.stop();
p.stop();
}
catch(Exception e)
{
}
}
else if(str=="cap")
{
JComponent c = (JComponent) ae.getSource();
if (c == cap)
{
// Grab a frame
FrameGrabbingControl fgc = (FrameGrabbingControl)
p.getControl("javax.media.control.FrameGrabbingControl");
buf = fgc.grabFrame();
// Convert it to an image
btoi = new BufferToImage((VideoFormat)buf.getFormat());
img = btoi.createImage(buf);
// save image
// saveJPG(img,"c:\\test"+i+".jpg");
saveJPG(img,"c:\\test.jpg");
//i++;
}
}
}
public void setupvideocapture()
{
c=getContentPane();
c.setLayout(new FlowLayout());
try
{
p = Manager.createProcessor(new MediaLocator("vfw:Microsoft WDM Image Capture (Win32):0"));
p.addControllerListener(this);
p.configure();
waitForState(p.Configured);
p.setContentDescriptor(null);
p.prefetch();
waitForState(p.Prefetched);
c.add(p.getVisualComponent());
///Intializing the saving procedure
}
catch(Exception e)
{
e.printStackTrace();
}
}
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)
{
System.out.println("ResourceUnavailable");
stateTransitionOK = false;
waitSync.notifyAll();
}
}
else if (evt instanceof EndOfMediaEvent)
{
p.close();
System.exit(0);
}
}
boolean waitForState(int state)
{
synchronized (waitSync)
{
try
{
while (p.getState() != state && stateTransitionOK)
waitSync.wait();
}
catch (Exception e) {}
}
return stateTransitionOK;
}
//Entry point
public static void main(String args[])
{
ting1 t=new ting1();
}
public static void saveJPG(Image img, String s)
{
BufferedImage bi = new BufferedImage(img.getWidth(null), img.getHeight(null),
BufferedImage.TYPE_INT_RGB);
Graphics2D g2 = bi.createGraphics();
g2.drawImage(img, null, null);
FileOutputStream out = null;
try
{
out = new FileOutputStream(s);
}
catch (java.io.FileNotFoundException io)
{
System.out.println("File Not Found");
}
JPEGImageEncoder encoder =
JPEGCodec.createJPEGEncoder(out);
JPEGEncodeParam param =
encoder.getDefaultJPEGEncodeParam(bi);
param.setQuality(0.5f,false);
encoder.setJPEGEncodeParam(param);
try
{
encoder.encode(bi);
out.close();
}
catch (java.io.IOException io)
{
System.out.println("IOException");
}
}
}
class WindowHandler extends WindowAdapter
{
public void windowClosing(WindowEvent e)
{
System.exit(0);
}
}
/code]
