package jp.sourceforge.qrcode.example.jmf;   import java.io.*;   import java.util.*;   import java.awt.Component;import java.awt.Dimension;   import javax.swing.JOptionPane;   import javax.media.*;   import javax.media.protocol.*;import javax.media.format.VideoFormat;import jmapps.util.JMFUtils;   public class camDataSource {              private Component parent;              private DataSource mainCamSource;       private MediaLocator ml;       private Processor processor;       private boolean processing;              public camDataSource(Component parent) {           this.parent = parent;           setProcessing(false);       }              public void setMainSource(){           setProcessing(false);           VideoFormat vidformat = new VideoFormat(VideoFormat.RGB);           Vector devices = CaptureDeviceManager.getDeviceList(vidformat);           CaptureDeviceInfo di = null;           if (devices.size() > 0) {        	   di = (CaptureDeviceInfo) devices.elementAt(0);           }           else {               JOptionPane.showMessageDialog(parent,                   "Your camera is not connected", "No webcam found", JOptionPane.WARNING_MESSAGE);       return;   }     try {       ml = di.getLocator();       setMainCamSource(Manager.createDataSource(ml));       // for VGA size capture (on my envirionment)/*   		setMainCamSource(JMFUtils.createCaptureDataSource(null, null, 		   "vfw:Microsoft WDM Image Capture (Win32):0", 		   di.getFormats()[di.getFormats().length-1]));*/   } catch (Exception e) {       JOptionPane.showMessageDialog(parent,           "Exception locating media: " + e.getMessage(), "Error", JOptionPane.WARNING_MESSAGE);           return;       }   }      public void makeDataSourceCloneable(){       // turn our data source to a cloneable data source       setMainCamSource(Manager.createCloneableDataSource(getMainCamSource()));          }      public void startProcessing(){              try{           processor = Manager.createProcessor(getMainCamSource());       }catch (IOException e) {           JOptionPane.showMessageDialog(parent,               "IO Exception creating processor: " + e.getMessage(), "Error", JOptionPane.WARNING_MESSAGE);       return;   }catch (NoProcessorException e) {       JOptionPane.showMessageDialog(parent,           "Exception creating processor: " + e.getMessage(), "Error", JOptionPane.WARNING_MESSAGE);       return;   }      camStateHelper playhelper = new camStateHelper(processor);   if(!playhelper.configure(10000)){       JOptionPane.showMessageDialog(parent,           "cannot configure processor", "Error", JOptionPane.WARNING_MESSAGE);       return;   }   processor.setContentDescriptor(null);   if(!playhelper.realize(10000)){       JOptionPane.showMessageDialog(parent,           "cannot realize processor", "Error", JOptionPane.WARNING_MESSAGE);       return;   }  // In order for or your clones to start, you must start the original source           processor.start();           setProcessing(true);       }              public DataSource cloneCamSource(){           if(!getProcessing()) setMainSource();           return ((SourceCloneable)getMainCamSource()).createClone();       }              public DataSource getMainCamSource(){           return mainCamSource;       }              public void setMainCamSource(DataSource mainCamSource){           this.mainCamSource = mainCamSource;       }              public void setMl(MediaLocator ml){           this.ml = ml;       }              public MediaLocator getMl(){           return ml;       }              public boolean getProcessing(){           return processing;       }              public void setProcessing(boolean processing){           this.processing = processing;                  }              public void setParent(Component parent){           this.parent = parent;       }              public Component getParent(){           return parent;       }   }