How can I run an applet to access the camera to PC

Hello
I'm working on my thesis. I like topic - face recognition. Subjects must be identified in a webcam/PC camera, installed locally. I mean a USB camera. The application I developed so far is a web application and I have all the necessary code, access to the camera in Swing, in a JFrame.
Even if I am not able to transfer this code to an applet to work inside my web application.
I dug into it for a few weeks. The best result I got was an empty applet frame.
Others reported different exceptions, missing as part of JMF, or (my best friend) classes of the applet class could not be found.
The applet code I have is

import java.applet.Applet;
import impossible;
to import java.awt.Dimension;
import java.awt.event.ActionEvent;
java.awt.event.ActionListener import;

Import javax.media.Format;
Import javax.media.Manager;
Import javax.media.MediaLocator;
Import javax.media.Player;
Import javax.media.control.FormatControl;
Import javax.media.format.VideoFormat;
Import javax.media.protocol.CaptureDevice;
Import javax.media.protocol.DataSource;
to import javax.swing.JButton;
to import javax.swing.JFrame;
to import javax.swing.JPanel;


SerializableAttribute public class WebcamSimpleApplet extends Applet {}
/**
*
*/
private static final long serialVersionUID = 1 L;
int width, height;

public void init()
{
Super.init ();
width = getSize () .width;
height = getSize () .height;
JFrame f = new JFrame();
setSize (400, 300);
f.setSize (500, 400);
Add (f.getContentPane () .add (WebcamPlayer())) new;
}
}

class WebcamPlayer extends JPanel implements ActionListener {

/**
*
*/
private static final long serialVersionUID = 1 L;

private static String PLAY_COMMAND = "play";
private static String STOP_COMMAND = "stop";
private static String EXIT_COMMAND = "exit";


protected size imageSize = null;
protected player player = null;
DataSource ds = null;

public WebcamPlayer () {}
Super (new BorderLayout());
System.out.println ("MyPlayer ()");
getCam();
createGUI();
}

public void getCam() {}
try {}

MediaLocator ml = new MediaLocator ("vfw:Microsoft WDM Capture of Image (Win32)" :/ / 0 ' ");
DS = Manager.createDataSource (ml);
requestFormatResolution (ds);
Player = Manager.createRealizedPlayer (ds);


} catch (Exception e) {}

DS. Disconnect();
Player.Close ();
Player.DEALLOCATE ();

e.printStackTrace ();
} {Finally

}
} / / getCam

Private Sub createGUI () {}

If (player.getVisualComponent ()! = null)
This.Add (Player.getVisualComponent (), BorderLayout.CENTER);

Buttons
Play JButton = new JButton (WebcamPlayer.PLAY_COMMAND);
play.setBorderPainted (true);
play.setBounds (1, 1, 20, 10);
play.setActionCommand (PLAY_COMMAND);
play.addActionListener (this);

Stop JButton = new JButton (WebcamPlayer.STOP_COMMAND);
stop.setBorderPainted (true);
stop.setBounds (2, 1, 20, 10);
stop.setActionCommand (STOP_COMMAND);
stop.addActionListener (this);

Exit JButton = new JButton (WebcamPlayer.EXIT_COMMAND);
exit.setBorderPainted (true);
exit.setBounds (3, 1, 20, 10);
exit.setActionCommand (EXIT_COMMAND);
exit.addActionListener (this);

JPanel southPanel = new JPanel();
southPanel.add (play);
southPanel.add (stop);

This.Add (southPanel, BorderLayout.SOUTH);

this.setVisible (true);
this.setSize (320, 240);
}

Private boolean requestFormatResolution (DataSource ds) {}
If (ds instanceof CaptureDevice) {}
[FormatControl] fcs = (ds) .getFormatControls () (CaptureDevice);
for (FormatControl fc: fcs) {}
The formats [] = (CF) .getSupportedFormats ((FormatControl));
for (Format format: formats) {}
If ((format instanceof VideoFormat)
& & ((Format) .getSize () .getHeight () (VideoFormat) < = 240)
(& & ((Format) .getSize () .getWidth () (VideoFormat) < = 320)) {}
If (instanceof VideoFormat size) {}
(CF) .setFormat (format) (FormatControl);
imageSize = (format) .getSize () (VideoFormat);
Returns true;
}
}
}
}
}

Returns false;
}

public void actionPerformed (ActionEvent e) {}

If {(e.getActionCommand (.equalsIgnoreCase (EXIT_COMMAND)))
System.out.println ("EXIT_COMMAND");
free resources
DS. Disconnect();
Player.Close ();
Player.DEALLOCATE ();
Reader = null;
System.Exit (0);
}

If (e.getActionCommand () .equalsIgnoreCase (PLAY_COMMAND)) {}
System.out.println ("PLAY_COMMAND");
Player.Start ();
try {}
Thread.currentThread ();
delay in the initialization process
Thread.Sleep (1000);

} catch (InterruptedException e1) {}
Generative TODO catch block
E1. PrintStackTrace();
}
}

If (e.getActionCommand () .equalsIgnoreCase (STOP_COMMAND)) {}

System.out.println ("STOP_COMMAND");
Player.Stop ();
}

}
}

and works fine if I run it in Eclipse-> run as a Java applet.

The question is:
Could you point me to a good tutorial or show me something not working?
I will really appreciate if you can give something for Dummies or non-cerveau webcam Java applet programmer.

Thank you

user985724 wrote:
Well, I got it. But I will REALLY appreciate any advice.

You said earlier "I know I should package the applet into a jar file and the sign, but I have not yet had no chance." which means you try running it without signing (which is strange since you posted this in the forum "Signed Applets" which implies that you know that you have to sign). You must sign the Applet, if any Jo will be able to run it without making any configuration changes that will be detrimental to the overall security of his computer and you can register only jar files and not unique class files. So my advice - spend some time to learn about how in the container of your Applet and how to sign the jar file.

P.S. for test purposes you can "auto sign."

Tags: Java

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