Play video from video capture device

I tried fixing my running of out memory for the video buffers problem but could find a fix. I have tried code from a book and it doesn't work. I can only get the video feed to display the video from the capture device using JMStudio, so the device works fine. Maybe my coding methodology/process is incorrect.
Is there anyone out there that knows of some working code that plays live video in a window from a video capture device. Any other help regarding to displaying capture video would help. Please help.
Thanks in advance.

I am using the Belkin USB VideoBus II and it uses the video for windows drivers (vfw), so yet it is supported. And it works when I use JMStudio to play the live feed from the capture device. Thanks for the suggestion.
I also ran the code suggested above and I still get the same errors. Thanks for your suggestions. Any other help or suggestions would be appreciated.

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Playing video from a capture device - Out of memory for video buffers?

Hello guys, I'm having problems playing video from a video capture device when not using JMStudio. When I use JMStudio, the video plays real time with no problems, but when I use code taken from a java book which is a simple Media Player, I get the following error:
"Error is Error: Out of memory for video buffers."
My capture device is working and I don't know why i get this error when trying to watch the video feed from a program other than JMStudio. I also tried different code that has worked in the past with the same exact capture device and I still get the same error. Please help, I have no clue at this point. The code for the simple media player is below, it's taken out of the book "Java: How to Program (4th edition)":
Thanks in advance, I am very greatful
Miguel
device info: vfw:Microsoft WDM Image Capture (Win32):0
When I type the locator, I am typing vfw://0, I also tried just vfw://
and I get the same error.
// Fig. 22.1: SimplePlayer.java
// Opens and plays a media file from
// local computer, public URL, or an RTP session
// Java core packages
import java.awt.*;
import java.awt.event.*;
import java.io.*;
import java.net.*;
// Java extension packages
import javax.swing.*;
import javax.media.*;
public class SimplePlayer extends JFrame {
// Java media player
private Player player;
// visual content component
private Component visualMedia;
// controls component for media
private Component mediaControl;
// main container
private Container container;
// media file and media locations
private File mediaFile;
private URL fileURL;
// constructor for SimplePlayer
public SimplePlayer()
super( "Simple Java Media Player" );
container = getContentPane();
// panel containing buttons
JPanel buttonPanel = new JPanel();
container.add( buttonPanel, BorderLayout.NORTH );
// opening file from directory button
JButton openFile = new JButton( "Open File" );
buttonPanel.add( openFile );
// register an ActionListener for openFile events
openFile.addActionListener(
// anonymous inner class to handle openFile events
new ActionListener() {
// open and create player for file
public void actionPerformed( ActionEvent event )
mediaFile = getFile();
if ( mediaFile != null ) {
// obtain URL from file
try {
fileURL = mediaFile.toURL();
// file path unresolvable
catch ( MalformedURLException badURL ) {
badURL.printStackTrace();
showErrorMessage( "Bad URL" );
makePlayer( fileURL.toString() );
} // end actionPerformed
} // end ActionListener
); // end call to method addActionListener
// URL opening button
JButton openURL = new JButton( "Open Locator" );
buttonPanel.add( openURL );
// register an ActionListener for openURL events
openURL.addActionListener(
// anonymous inner class to handle openURL events
new ActionListener() {
// open and create player for media locator
public void actionPerformed( ActionEvent event )
String addressName = getMediaLocation();
if ( addressName != null )
makePlayer( addressName );
} // end ActionListener
); // end call to method addActionListener
// turn on lightweight rendering on players to enable
// better compatibility with lightweight GUI components
Manager.setHint( Manager.LIGHTWEIGHT_RENDERER,
Boolean.TRUE );
} // end SimplePlayer constructor
// utility method for pop-up error messages
public void showErrorMessage( String error )
JOptionPane.showMessageDialog( this, error, "Error",
JOptionPane.ERROR_MESSAGE );
// get file from computer
public File getFile()
JFileChooser fileChooser = new JFileChooser();
fileChooser.setFileSelectionMode(
JFileChooser.FILES_ONLY );
int result = fileChooser.showOpenDialog( this );
if ( result == JFileChooser.CANCEL_OPTION )
return null;
else
return fileChooser.getSelectedFile();
// get media location from user input
public String getMediaLocation()
String input = JOptionPane.showInputDialog(
this, "Enter URL" );
// if user presses OK with no input
if ( input != null && input.length() == 0 )
return null;
return input;
// create player using media's location
public void makePlayer( String mediaLocation )
// reset player and window if previous player exists
if ( player != null )
removePlayerComponents();
// location of media source
MediaLocator mediaLocator =
new MediaLocator( mediaLocation );
if ( mediaLocator == null ) {
showErrorMessage( "Error opening file" );
return;
// create a player from MediaLocator
try {
player = Manager.createPlayer( mediaLocator );
// register ControllerListener to handle Player events
player.addControllerListener(
new PlayerEventHandler() );
// call realize to enable rendering of player's media
player.realize();
// no player exists or format is unsupported
catch ( NoPlayerException noPlayerException ) {
noPlayerException.printStackTrace();
// file input error
catch ( IOException ioException ) {
ioException.printStackTrace();
} // end makePlayer method
// return player to system resources and
// reset media and controls
public void removePlayerComponents()
// remove previous video component if there is one
if ( visualMedia != null )
container.remove( visualMedia );
// remove previous media control if there is one
if ( mediaControl != null )
container.remove( mediaControl );
// stop player and return allocated resources
player.close();
// obtain visual media and player controls
public void getMediaComponents()
// get visual component from player
visualMedia = player.getVisualComponent();
// add visual component if present
if ( visualMedia != null )
container.add( visualMedia, BorderLayout.CENTER );
// get player control GUI
mediaControl = player.getControlPanelComponent();
// add controls component if present
if ( mediaControl != null )
container.add( mediaControl, BorderLayout.SOUTH );
} // end method getMediaComponents
// handler for player's ControllerEvents
private class PlayerEventHandler extends ControllerAdapter {
// prefetch media feed once player is realized
public void realizeComplete(
RealizeCompleteEvent realizeDoneEvent )
player.prefetch();
// player can start showing media after prefetching
public void prefetchComplete(
PrefetchCompleteEvent prefetchDoneEvent )
getMediaComponents();
// ensure valid layout of frame
validate();
// start playing media
player.start();
} // end prefetchComplete method
// if end of media, reset to beginning, stop play
public void endOfMedia( EndOfMediaEvent mediaEndEvent )
player.setMediaTime( new Time( 0 ) );
player.stop();
} // end PlayerEventHandler inner class
// execute application
public static void main( String args[] )
SimplePlayer testPlayer = new SimplePlayer();
testPlayer.setSize( 300, 300 );
testPlayer.setLocation( 300, 300 );
testPlayer.setDefaultCloseOperation( EXIT_ON_CLOSE );
testPlayer.setVisible( true );
} // end class SimplePlayer

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Developer-Hotline for MSDN Online Germany
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For further information please contact us per telephone through the MSDN-Entwickler-Hotline:
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Play video from video capture device

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