Web camera fails to initialize, not in device manager

Hi,
I have a Satellite L650D with Windows 7 'Home Prem' and have recent issues with my webcam. All was running smoothly for a year or more until one day this error message appeared " Web camera initialization failed. Please restart application or computer ".
I also had trouble on Sykpe with the camera failing mid-conversation then not loading at all. I have un-installed and re-installed Skype in the hope that it was the problem...unfortunately not. Then after searching through the forum and Toshiba's website, I checked my application and Device Manager and was not even able to locate the device, it is not listed.
I am more than happy to try anything to fix this problem ( although I am not very computer literate! ) and would really appreciate any advice anyone can offer!
Many thanks =)

Satellite L650D/02Y (PSK1NA-02Y00T)
This site is for US computers.
The downloads for that Aussie model are here.
Support is here.
Suggested forums here..
Toshiba Support Forums Outside USA
-Jerry

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Hi!
I m doing a program tat can capture movie from available video capturing devices, i hav installed web-cam, but while searching for the devices available(Detecting the device) , it is not identifing the device. And still if i m giving direct the device info to the program("vfj//0")then movie is captured from web-cam.
Program is listed below which is not detecting the web-cam:
public void setMainSource(){
setProcessing(false);
VideoFormat vidformat = new VideoFormat(VideoFormat.YUV);
Vector devices = CaptureDeviceManager.getDeviceList(vidformat);
CaptureDeviceInfo di = null;
if (devices.size() > 0) di = (CaptureDeviceInfo) devices.elementAt(0);
else {
/* I got exception here */
JOptionPane.showMessageDialog(parent,
"Your camera is not connected", "No webcam found", JOptionPane.WARNING_MESSAGE);
return;
try {
ml = di.getLocator();
setMainCamSource(Manager.createDataSource(ml));
} catch (Exception e) {
JOptionPane.showMessageDialog(parent,
"Exception locating media: " + e.getMessage(), "Error", JOptionPane.WARNING_MESSAGE);
return;
Output:
Web cam not found....
So wht shd be the problem , nyone please explain the problem how to overcome from it.
Thank you

First of all sorry for spelling mistake i write ("vfj//0") rather then "vfw://0"
Yeh! i read your code n your code is also giving the same error
like
Web cam not detected/installed(like something this).
But still i hav attached cam n capturing movie from the code shown below:
//This will not detect the webcam n directly captures the movie, try it out so now wht to do so tat will detect the webcam properly....
CODE:
import javax.media.*;
import javax.media.util.*;
import javax.media.format.*;
import javax.swing.*;
import javax.swing.event.*;
import java.awt.*;
import java.awt.event.*;
import javax.media.control.*;
class testing extends JFrame implements ControllerListener,ActionListener
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     public JButton play=new JButton("Play");
     public JButton stop=new JButton("Stop");
     public JPanel p1=new JPanel();
     public JPanel p2=new JPanel();
     Container c;
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     boolean stateTransitionOK = true;
     Object waitSync = new Object();
     Processor p;
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     DataSink sink;
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          super("Video Capture Demo");
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          setupgui();
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          c.add(play);
          c.add(stop);
          addWindowListener(new WindowHandler());
          stop.addActionListener(this);
          play.addActionListener(this);
          setSize(350,350);
          setVisible(true);
          show();
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          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)
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          c=getContentPane();
          c.setLayout(new FlowLayout());
          try
               p = Manager.createProcessor(new MediaLocator("vfw://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)
               System.out.println(e);
          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[])
          testing t=new testing();
class WindowHandler extends WindowAdapter
     public void windowClosing(WindowEvent e)
          System.exit(0);
This is working properly........ so plz if other option plz notify me.
Thank you for helping me.......

No Question, just example web cam capture code

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I'm mainly posting this to spite Eka_Kupkova, who only visits this forum to shamelessly advertise a commercial Twain based package in every single posting on this forum which mentions web cams.
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cheers,
Owen
import javax.swing.*;
import javax.swing.border.*;
import java.io.*;
import javax.media.*;
import javax.media.format.*;
import javax.media.util.*;
import javax.media.control.*;
import java.util.*;
import java.awt.*;
import java.awt.image.*;
import java.awt.event.*;
import com.sun.image.codec.jpeg.*;
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import com.sun.media.vfw.VFWCapture;
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     protected final static int MIN_HEIGHT = 240;
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    protected Dimension imageSize = null;
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    protected VideoFormat currentFormat = null;
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              System.out.println ("Note : Cannot load look and feel settings");
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         addComponentListener ( this );
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         statusBar = new JLabel ("Initialising...");
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         setSize ( 320, 260 ); // default size...
         setVisible ( true );
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     public boolean initialise ( )
          throws Exception
          return ( initialise ( autoDetect() ) );
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      * @returns true if web cam is detected
     public boolean initialise ( CaptureDeviceInfo _deviceInfo )
          throws Exception
          webCamDeviceInfo = _deviceInfo;
         if ( webCamDeviceInfo != null )
              statusBar.setText ( "Connecting to : " + webCamDeviceInfo.getName() );
              try
                    // setUpMenu ( );
                    setUpToolBar();
                    getContentPane().add ( toolbar, BorderLayout.NORTH );
                   ml = webCamDeviceInfo.getLocator();
                   if ( ml != null )
                      player = Manager.createRealizedPlayer ( ml );
                      if ( player != null )
                           formatControl = (FormatControl)player.getControl ( "javax.media.control.FormatControl" );
                                videoFormats = webCamDeviceInfo.getFormats();
                                setFormat ( (VideoFormat)videoFormats[0] );
                           // player.start();
                                visualComponent = player.getVisualComponent();
                                getContentPane().add ( visualComponent, BorderLayout.CENTER );
                                invalidate();
                                pack();
                                setSize ( imageSize.width, imageSize.height + statusBar.getHeight() + toolbar.getHeight() );
                            myFormatList = new MyVideoFormat[videoFormats.length];
                            for ( int i=0; i<videoFormats.length; i++ )
                                 myFormatList[i] = new MyVideoFormat ( (VideoFormat)videoFormats[i] );
                 else
                      statusBar.setText ( "No Media Locator for : " + webCamDeviceInfo.getName() );
                    return ( true );
               catch ( IOException ioEx )
                   statusBar.setText ( "Connecting to : " + webCamDeviceInfo.getName() );
                    return ( false );
               catch ( NoPlayerException npex )
                    statusBar.setText ("Cannot create player");
                    return ( false );
               catch ( CannotRealizeException nre )
                    statusBar.setText ( "Cannot realize player");
                    return ( false );
         else
              return ( false );
      * Dynamically create menu items
      * @returns the device info object if found, null otherwise
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          if ( formatControl != null )
               player.stop();
               statusBar.setText ( "Format : " + selectedFormat );
               imageSize = selectedFormat.getSize();
               formatControl.setFormat ( selectedFormat );
               currentFormat = selectedFormat;
               setSize ( imageSize.width, imageSize.height + statusBar.getHeight() + toolbar.getHeight() );
               player.start();
          else
               System.out.println ("Visual component not an instance of FormatControl");
               statusBar.setText ( "Visual component cannot change format" );
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          toolbar = new JToolBar();
          formatButton = new MyToolBarAction ( "Format", "BtnFormat.jpg" );
          captureButton = new MyToolBarAction ( "Capture", "BtnCapture.jpg" );
          if ( formatButton != null )
                toolbar.add ( formatButton );
          toolbar.add ( captureButton );
          getContentPane().add ( toolbar, BorderLayout.NORTH );
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          if ( actionBtn == formatButton )
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                  Object selected = JOptionPane.showInputDialog (this,
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                                                                 "Capture format selection",
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               if ( selected != null )
                    setFormat ( ((MyVideoFormat)selected).format );
          else if ( actionBtn == captureButton )
               Image photo = grabFrameImage ( );
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          Vector list = CaptureDeviceManager.getDeviceList ( null );
          CaptureDeviceInfo devInfo = null;
          if ( list != null )
               String name;
               for ( int i=0; i<list.size(); i++ )
                    devInfo = (CaptureDeviceInfo)list.elementAt ( i );
                    name = devInfo.getName();
                  if ( name.startsWith ("vfw:") )
                        break;
               if ( devInfo != null && devInfo.getName().startsWith("vfw:") )
                   return ( devInfo );
               else
                  for ( int i = 0; i < 10; i++ )
                       try
                           name = VFWCapture.capGetDriverDescriptionName ( i );
                           if (name != null && name.length() > 1)
                                   devInfo = com.sun.media.protocol.vfw.VFWSourceStream.autoDetect ( i );
                                   if ( devInfo != null )
                                        return ( devInfo );
                         catch ( Exception ioEx )
                              // ignore errors detecting device
                              statusBar.setText ( "AutoDetect failed : " + ioEx.getMessage() );
                   return ( null );
          else
               return ( null );
      * deviceInfo
      * @note outputs text information
     public void deviceInfo ( )
         if ( webCamDeviceInfo != null )
              Format[] formats = webCamDeviceInfo.getFormats();
              if ( ( formats != null ) && ( formats.length > 0 ) )
              for ( int i=0; i<formats.length; i++ )
                   Format aFormat = formats;
               if ( aFormat instanceof VideoFormat )
                    Dimension dim = ((VideoFormat)aFormat).getSize();
                    System.out.println ("Video Format " + i + " : " + formats[i].getEncoding() + ", " + dim.width + " x " + dim.height );
               else
                    System.out.println ("Format " + i + " : " + formats[i].getEncoding() );
     else
          System.out.println ("Error : No web cam detected");
     * grabs a frame's buffer from the web cam / device
     * @returns A frames buffer
     public Buffer grabFrameBuffer ( )
          if ( player != null )
FrameGrabbingControl fgc = (FrameGrabbingControl)player.getControl ( "javax.media.control.FrameGrabbingControl" );
Buffer buf = fgc.grabFrame();
return ( buf );
else
     return ( null );
     * grabs a frame's buffer, as an image, from the web cam / device
     * @returns A frames buffer as an image
     public Image grabFrameImage ( )
          Buffer buffer = grabFrameBuffer();
          if ( buffer != null )
// Convert it to an image
BufferToImage btoi = new BufferToImage ( (VideoFormat)buffer.getFormat() );
Image image = btoi.createImage ( buffer );
return ( image );
          else
               System.out.println ("Error : Buffer grabbed is null");
               return ( null );
     * Closes and cleans up the player
     public void playerClose ( )
          if ( player != null )
     player.close();
     player.deallocate();
     player = null;
     public void windowClosing ( WindowEvent e )
          playerClose();
          System.exit ( 1 );
     public void componentResized(ComponentEvent e)
          Dimension dim = getSize();
          boolean mustResize = false;
          if ( dim.width < MIN_WIDTH )
          dim.width = MIN_WIDTH;
          mustResize = true;
          if ( dim.height < MIN_HEIGHT )
               dim.height = MIN_HEIGHT;
               mustResize = true;
          if ( mustResize )
               setSize ( dim );
     public void windowActivated ( WindowEvent e )      {      }
     public void windowClosed ( WindowEvent e )      {      }
     public void windowDeactivated ( WindowEvent e )     {     }
     public void windowDeiconified ( WindowEvent e )     {     }
     public void windowIconified ( WindowEvent e )     {     }
     public void windowOpened ( WindowEvent e )          {     }
     public void componentHidden(ComponentEvent e)      {      }
     public void componentMoved(ComponentEvent e)     {     }
     public void componentShown(ComponentEvent e)     {     }
     protected void finalize     ( ) throws Throwable
          playerClose();
          super.finalize();
     class MyToolBarAction extends AbstractAction
          public MyToolBarAction ( String name, String imagefile )
               super ( name, new ImageIcon ( imagefile ) );
          public void actionPerformed ( ActionEvent event )
               toolbarHandler ( this );
     class MyVideoFormat
          public VideoFormat format;
          public MyVideoFormat ( VideoFormat _format )
               format = _format;
          public String toString ( )
               Dimension dim = format.getSize();
               return ( format.getEncoding() + " [ " + dim.width + " x " + dim.height + " ]" );
     class MySnapshot extends JFrame
          protected Image photo = null;
          protected int shotNumber;
          public MySnapshot ( Image grabbedFrame, Dimension imageSize )
               super ( );
               shotNumber = shotCounter++;
               setTitle ( "Photo" + shotNumber );
               photo = grabbedFrame;
               setDefaultCloseOperation ( WindowConstants.DO_NOTHING_ON_CLOSE );
               int imageHeight = photo.getWidth ( this );
               int imageWidth = photo.getHeight ( this );
               setSize ( imageSize.width, imageSize.height );
               final FileDialog saveDialog = new FileDialog ( this, "Save JPEG", FileDialog.SAVE );
               final JFrame thisCopy = this;
               saveDialog.setFile ( "Photo" + shotNumber );
               addWindowListener ( new WindowAdapter()
                         public void windowClosing ( WindowEvent e )
                              saveDialog.show();
                              String filename = saveDialog.getFile();
                              if ( filename != null )
                                   if ( saveJPEG ( filename ) )
                                        JOptionPane.showMessageDialog ( thisCopy, "Saved " + filename );
                                        setVisible ( false );
                                        dispose();
                                   else
                                        JOptionPane.showMessageDialog ( thisCopy, "Error saving " + filename );
                              else
                                   setVisible ( false );
                                   dispose();
               setVisible ( true );
          public void paint ( Graphics g )
               g.drawImage ( photo, 0, 0, getWidth(), getHeight(), this );
          * Saves an image as a JPEG
          * @params the image to save
          * @params the filename to save the image as
     public boolean saveJPEG ( String filename )
          boolean saved = false;
     BufferedImage bi = new BufferedImage ( photo.getWidth(null),
     photo.getHeight(null),
     BufferedImage.TYPE_INT_RGB );
     Graphics2D g2 = bi.createGraphics();
     g2.drawImage ( photo, null, null );
     FileOutputStream out = null;
     try
     out = new FileOutputStream ( filename );
          JPEGImageEncoder encoder = JPEGCodec.createJPEGEncoder ( out );
          JPEGEncodeParam param = encoder.getDefaultJPEGEncodeParam ( bi );
          param.setQuality ( 1.0f, false );
          encoder.setJPEGEncodeParam ( param );
          encoder.encode ( bi );
          out.close();
          saved = true;
     catch ( Exception ex )
     System.out.println ("Error saving JPEG : " + ex.getMessage() );
     return ( saved );
     }     // of MySnapshot
public static void main (String[] args )
     try
          JWebCam myWebCam = new JWebCam ( "TimeSlice Web Cam Capture" );
          if ( myWebCam.initialise() )
               // myWebCam.deviceInfo(); // outputs device info
          else
               System.out.println ("Web Cam not detected / initialised");
     catch ( Exception ex )
          ex.printStackTrace();

Doohhh... I posted an old version which didn't work.
I tried and tested this last night, and it runs grand using Ver 2.1.1e.
Tested under Windows 98, using an old Creative GO Camera.
Haven't tried it under Linux, but suspect you'd have to at least change an references to "vfw" to "v4l".
You'll need jmf.jar in your classpath to run it too.
cheers,
Owen
import javax.swing.*;
import javax.swing.border.*;
import java.io.*;
import javax.media.*;
import javax.media.datasink.*;
import javax.media.format.*;
import javax.media.protocol.*;
import javax.media.util.*;
import javax.media.control.*;
import java.util.*;
import java.awt.*;
import java.awt.image.*;
import java.awt.event.*;
import com.sun.image.codec.jpeg.*;
// import com.sun.media.vfw.VFWCapture;         // JMF 2.1.1c version
import com.sun.media.protocol.vfw.VFWCapture;   // JMF 2.1.1e version
public class JWebCam extends JFrame
    implements WindowListener, ComponentListener
    protected final static int MIN_WIDTH = 320;
    protected final static int MIN_HEIGHT = 240;
    protected static int shotCounter = 1;
    protected JLabel statusBar = null;
    protected JPanel visualContainer = null;
    protected Component visualComponent = null;
    protected JToolBar toolbar = null;
    protected MyToolBarAction formatButton    = null;
    protected MyToolBarAction captureButton   = null;
    protected Player player = null;
    protected CaptureDeviceInfo webCamDeviceInfo = null;
    protected MediaLocator ml = null;
    protected Dimension imageSize = null;
    protected FormatControl formatControl = null;
    protected VideoFormat currentFormat = null;
    protected Format[] videoFormats = null;
    protected MyVideoFormat[] myFormatList = null;
    protected boolean initialised = false;
     * Constructor
    public JWebCam ( String frameTitle )
        super ( frameTitle );
        try
            UIManager.setLookAndFeel("javax.swing.plaf.metal.MetalLookAndFeel");
        catch ( Exception cnfe )
            System.out.println ("Note : Cannot load look and feel settings");
        setSize ( 320, 260 ); // default size...
        addWindowListener ( this );
        addComponentListener ( this );
        getContentPane().setLayout ( new BorderLayout() );
        visualContainer = new JPanel();
        visualContainer.setLayout ( new BorderLayout() );
        getContentPane().add ( visualContainer, BorderLayout.CENTER );
        statusBar = new JLabel ("");
        statusBar.setBorder ( new EtchedBorder() );
        getContentPane().add ( statusBar, BorderLayout.SOUTH );
     * Initialise
     * @returns true if web cam is detected
    public boolean initialise ( )
        throws Exception
        return ( initialise ( autoDetect() ) );
     * Initialise
     * @params _deviceInfo, specific web cam device if not autodetected
     * @returns true if web cam is detected
    public boolean initialise ( CaptureDeviceInfo _deviceInfo )
        throws Exception
        statusBar.setText ( "Initialising...");
        webCamDeviceInfo = _deviceInfo;
        if ( webCamDeviceInfo != null )
            statusBar.setText ( "Connecting to : " + webCamDeviceInfo.getName() );
            try
                setUpToolBar();
                getContentPane().add ( toolbar, BorderLayout.NORTH );
                ml = webCamDeviceInfo.getLocator();
                if ( ml != null )
                    player = Manager.createRealizedPlayer ( ml );
                    if ( player != null )
                        player.start();
                        formatControl = (FormatControl)player.getControl ( "javax.media.control.FormatControl" );
                        videoFormats = webCamDeviceInfo.getFormats();
                        visualComponent = player.getVisualComponent();
                        if ( visualComponent != null )
                            visualContainer.add ( visualComponent, BorderLayout.CENTER );
                            myFormatList = new MyVideoFormat[videoFormats.length];
                            for ( int i=0; i<videoFormats.length; i++ )
                                myFormatList[i] = new MyVideoFormat ( (VideoFormat)videoFormats[i] );
                            Format currFormat = formatControl.getFormat();
                            if ( currFormat instanceof VideoFormat )
                                 currentFormat = (VideoFormat)currFormat;
                                 imageSize = currentFormat.getSize();
                                 visualContainer.setPreferredSize ( imageSize );
                                 setSize ( imageSize.width, imageSize.height + statusBar.getHeight() + toolbar.getHeight() );
                            else
                                System.err.println ("Error : Cannot get current video format");
                            invalidate();
                            pack();
                            return ( true );
                        else
                            System.err.println ("Error : Could not get visual component");
                            return ( false );
                    else
                        System.err.println ("Error : Cannot create player");
                        statusBar.setText ( "Cannot create player" );
                        return ( false );
                else
                    System.err.println ("Error : No MediaLocator for " + webCamDeviceInfo.getName() );
                    statusBar.setText ( "No Media Locator for : " + webCamDeviceInfo.getName() );
                    return ( false );
            catch ( IOException ioEx )
                statusBar.setText ( "Connecting to : " + webCamDeviceInfo.getName() );
                return ( false );
            catch ( NoPlayerException npex )
                statusBar.setText ("Cannot create player");
                return ( false );
            catch ( CannotRealizeException nre )
                statusBar.setText ( "Cannot realize player");
                return ( false );
        else
            return ( false );
     * Dynamically create menu items
     * @returns the device info object if found, null otherwise
    public void setFormat ( VideoFormat selectedFormat )
        if ( formatControl != null )
            player.stop();
            imageSize = selectedFormat.getSize();
            formatControl.setFormat ( selectedFormat );
            player.start();
            statusBar.setText ( "Format : " + selectedFormat );
            currentFormat = selectedFormat;
            visualContainer.setPreferredSize ( currentFormat.getSize() );
            setSize ( imageSize.width, imageSize.height + statusBar.getHeight() + toolbar.getHeight() );
        else
            System.out.println ("Visual component not an instance of FormatControl");
            statusBar.setText ( "Visual component cannot change format" );
    public VideoFormat getFormat ( )
        return ( currentFormat );
    protected void setUpToolBar ( )
        toolbar = new JToolBar();
        // Note : If you supply the 16 x 16 bitmaps then you can replace
        // the commented line in the MyToolBarAction constructor
        formatButton    = new MyToolBarAction ( "Resolution", "BtnFormat.jpg" );
        captureButton   = new MyToolBarAction ( "Capture",    "BtnCapture.jpg" );
        toolbar.add ( formatButton );
        toolbar.add ( captureButton );
        getContentPane().add ( toolbar, BorderLayout.NORTH );
    protected void toolbarHandler ( MyToolBarAction actionBtn )
        if ( actionBtn == formatButton )
            Object selected = JOptionPane.showInputDialog (this,
                                                           "Select Video format",
                                                           "Capture format selection",
                                                           JOptionPane.INFORMATION_MESSAGE,
                                                           null,        // Icon icon,
                                                           myFormatList, // videoFormats,
                                                           currentFormat );
            if ( selected != null )
                setFormat ( ((MyVideoFormat)selected).format );
        else if ( actionBtn == captureButton )
            Image photo = grabFrameImage ( );
            if ( photo != null )
                MySnapshot snapshot = new MySnapshot ( photo, new Dimension ( imageSize ) );
            else
                System.err.println ("Error : Could not grab frame");
     * autoDetects the first web camera in the system
     * searches for video for windows ( vfw ) capture devices
     * @returns the device info object if found, null otherwise
    public CaptureDeviceInfo autoDetect ( )
        Vector list = CaptureDeviceManager.getDeviceList ( null );
        CaptureDeviceInfo devInfo = null;
        if ( list != null )
            String name;
            for ( int i=0; i<list.size(); i++ )
                devInfo = (CaptureDeviceInfo)list.elementAt ( i );
                name = devInfo.getName();
                if ( name.startsWith ("vfw:") )
                    break;
            if ( devInfo != null && devInfo.getName().startsWith("vfw:") )
                return ( devInfo );
            else
                for ( int i = 0; i < 10; i++ )
                    try
                        name = VFWCapture.capGetDriverDescriptionName ( i );
                        if (name != null && name.length() > 1)
                            devInfo = com.sun.media.protocol.vfw.VFWSourceStream.autoDetect ( i );
                            if ( devInfo != null )
                                return ( devInfo );
                    catch ( Exception ioEx )
                        // ignore errors detecting device
                        statusBar.setText ( "AutoDetect failed : " + ioEx.getMessage() );
                return ( null );
        else
            return ( null );
     * deviceInfo
     * @note outputs text information
    public void deviceInfo ( )
        if ( webCamDeviceInfo != null )
            Format[] formats = webCamDeviceInfo.getFormats();
            if ( ( formats != null ) && ( formats.length > 0 ) )
            for ( int i=0; i<formats.length; i++ )
                Format aFormat = formats;
if ( aFormat instanceof VideoFormat )
Dimension dim = ((VideoFormat)aFormat).getSize();
// System.out.println ("Video Format " + i + " : " + formats[i].getEncoding() + ", " + dim.width + " x " + dim.height );
else
System.out.println ("Error : No web cam detected");
* grabs a frame's buffer from the web cam / device
* @returns A frames buffer
public Buffer grabFrameBuffer ( )
if ( player != null )
FrameGrabbingControl fgc = (FrameGrabbingControl)player.getControl ( "javax.media.control.FrameGrabbingControl" );
if ( fgc != null )
return ( fgc.grabFrame(); );
else
System.err.println ("Error : FrameGrabbingControl is null");
return ( null );
else
System.err.println ("Error : Player is null");
return ( null );
* grabs a frame's buffer, as an image, from the web cam / device
* @returns A frames buffer as an image
public Image grabFrameImage ( )
Buffer buffer = grabFrameBuffer();
if ( buffer != null )
// Convert it to an image
BufferToImage btoi = new BufferToImage ( (VideoFormat)buffer.getFormat() );
if ( btoi != null )
Image image = btoi.createImage ( buffer );
if ( image != null )
return ( image );
else
System.err.println ("Error : BufferToImage cannot convert buffer");
return ( null );
else
System.err.println ("Error : cannot create BufferToImage instance");
return ( null );
else
System.out.println ("Error : Buffer grabbed is null");
return ( null );
* Closes and cleans up the player
public void playerClose ( )
if ( player != null )
player.close();
player.deallocate();
player = null;
public void windowClosing ( WindowEvent e )
playerClose();
System.exit ( 1 );
public void componentResized ( ComponentEvent e )
Dimension dim = getSize();
boolean mustResize = false;
if ( dim.width < MIN_WIDTH )
dim.width = MIN_WIDTH;
mustResize = true;
if ( dim.height < MIN_HEIGHT )
dim.height = MIN_HEIGHT;
mustResize = true;
if ( mustResize )
setSize ( dim );
public void windowActivated ( WindowEvent e ) {   }
public void windowClosed ( WindowEvent e ) {   }
public void windowDeactivated ( WindowEvent e ) {   }
public void windowDeiconified ( WindowEvent e ) {   }
public void windowIconified ( WindowEvent e ) {   }
public void windowOpened ( WindowEvent e ) {   }
public void componentHidden(ComponentEvent e) {   }
public void componentMoved(ComponentEvent e) {   }
public void componentShown(ComponentEvent e) {   }
protected void finalize ( ) throws Throwable
playerClose();
super.finalize();
class MyToolBarAction extends AbstractAction
public MyToolBarAction ( String name, String imagefile )
// Note : Use version this if you supply your own toolbar icons
// super ( name, new ImageIcon ( imagefile ) );
super ( name );
public void actionPerformed ( ActionEvent event )
toolbarHandler ( this );
class MyVideoFormat
public VideoFormat format;
public MyVideoFormat ( VideoFormat _format )
format = _format;
public String toString ( )
Dimension dim = format.getSize();
return ( format.getEncoding() + " [ " + dim.width + " x " + dim.height + " ]" );
class MySnapshot extends JFrame
protected Image photo = null;
protected int shotNumber;
public MySnapshot ( Image grabbedFrame, Dimension imageSize )
super ( );
shotNumber = shotCounter++;
setTitle ( "Photo" + shotNumber );
photo = grabbedFrame;
setDefaultCloseOperation ( WindowConstants.DISPOSE_ON_CLOSE );
int imageHeight = photo.getWidth ( this );
int imageWidth = photo.getHeight ( this );
setSize ( imageSize.width, imageSize.height );
final FileDialog saveDialog = new FileDialog ( this, "Save JPEG", FileDialog.SAVE );
final JFrame thisCopy = this;
saveDialog.setFile ( "Photo" + shotNumber );
addWindowListener ( new WindowAdapter()
public void windowClosing ( WindowEvent e )
saveDialog.show();
String filename = saveDialog.getFile();
if ( filename != null )
if ( saveJPEG ( filename ) )
JOptionPane.showMessageDialog ( thisCopy, "Saved " + filename );
setVisible ( false );
dispose();
else
JOptionPane.showMessageDialog ( thisCopy, "Error saving " + filename );
else
setVisible ( false );
dispose();
setVisible ( true );
public void paint ( Graphics g )
g.drawImage ( photo, 0, 0, getWidth(), getHeight(), this );
* Saves an image as a JPEG
* @params the image to save
* @params the filename to save the image as
public boolean saveJPEG ( String filename )
boolean saved = false;
BufferedImage bi = new BufferedImage ( photo.getWidth(null),
photo.getHeight(null),
BufferedImage.TYPE_INT_RGB );
Graphics2D g2 = bi.createGraphics();
g2.drawImage ( photo, null, null );
FileOutputStream out = null;
try
out = new FileOutputStream ( filename );
JPEGImageEncoder encoder = JPEGCodec.createJPEGEncoder ( out );
JPEGEncodeParam param = encoder.getDefaultJPEGEncodeParam ( bi );
param.setQuality ( 1.0f, false ); // 100% high quality setting, no compression
encoder.setJPEGEncodeParam ( param );
encoder.encode ( bi );
out.close();
saved = true;
catch ( Exception ex )
System.out.println ("Error saving JPEG : " + ex.getMessage() );
return ( saved );
} // of MySnapshot
public static void main (String[] args )
try
JWebCam myWebCam = new JWebCam ( "TimeSlice Web Cam Capture" );
myWebCam.setVisible ( true );
if ( !myWebCam.initialise() )
System.out.println ("Web Cam not detected / initialised");
catch ( Exception ex )
ex.printStackTrace();

Web camera fails to initialize, not in device manager

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