package jp.sourceforge.qrcode.example.jmf;   import java.io.*;   import java.net.URL;   import java.net.MalformedURLException;   import java.awt.*;import java.awt.image.BufferedImage;import javax.swing.ImageIcon;   import javax.swing.JFileChooser;import javax.swing.JLabel;   import javax.media.*;   import javax.media.control.*;   import javax.media.protocol.*;   import javax.media.format.VideoFormat;import javax.swing.JOptionPane;   public class mainFrame extends javax.swing.JFrame {              private camDataSource dataSource;              private DataSource camSource;       private DataSource recordCamSource;       private DataSink dataSink;       private Processor processor;       private Processor recordProcessor;       private camStateHelper playhelper;              private JFileChooser movieChooser;              Thread decoderThread;              public mainFrame(camDataSource dataSource) {           this.dataSource = dataSource;           this.dataSource.setParent(this);           camSource = dataSource.cloneCamSource();           initComponents();           try{               processor = Manager.createProcessor(camSource);           }catch (IOException e) {               JOptionPane.showMessageDialog(this,                   "Exception creating processor: " + e.getMessage(), "Error", JOptionPane.WARNING_MESSAGE);               return;           }catch (NoProcessorException e) {               JOptionPane.showMessageDialog(this,                   "Exception creating processor: " + e.getMessage(), "Error", JOptionPane.WARNING_MESSAGE);               return;           }           playhelper = new camStateHelper(processor);           if(!playhelper.configure(10000)){               JOptionPane.showMessageDialog(this,                   "cannot configure processor", "Error", JOptionPane.WARNING_MESSAGE);               return;           }           checkIncoding(processor.getTrackControls());           processor.setContentDescriptor(null);           if(!playhelper.realize(10000)){               JOptionPane.showMessageDialog(this,                   "cannot realize processor", "Error", JOptionPane.WARNING_MESSAGE);               return;           }                      setJPEGQuality(processor, 1.0f);           processor.start();           processor.getVisualComponent().setBackground(Color.gray);           centerPanel.add(processor.getVisualComponent(), BorderLayout.CENTER);           centerPanel.add(processor.getControlPanelComponent(), BorderLayout.SOUTH);           QRCodeDecoderJMFExample decoder = new  QRCodeDecoderJMFExample(processor);           Thread decoderThread = new Thread(decoder);           decoderThread.start();       }                     private void initComponents() {//GEN-BEGIN:initComponents           northPanel = new javax.swing.JPanel();           messageLabel = new javax.swing.JLabel();           southPanel = new javax.swing.JPanel();           mainToolBar = new javax.swing.JToolBar();           recordButton = new javax.swing.JButton();           fileLabel = new javax.swing.JLabel();           centerPanel = new javax.swing.JPanel();           setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);           setTitle("My Webcam");           addWindowListener(new java.awt.event.WindowAdapter() {               public void windowClosing(java.awt.event.WindowEvent evt) {                   formWindowClosing(evt);               }           });           northPanel.setLayout(new java.awt.BorderLayout());           messageLabel.setText("Status");           northPanel.add(messageLabel, java.awt.BorderLayout.CENTER);           getContentPane().add(northPanel, java.awt.BorderLayout.NORTH);           southPanel.setLayout(new java.awt.BorderLayout());           recordButton.setText("Record");           recordButton.addActionListener(new java.awt.event.ActionListener() {               public void actionPerformed(java.awt.event.ActionEvent evt) {                   recordButtonActionPerformed(evt);               }           });           mainToolBar.add(recordButton);           fileLabel.setText("File:");           mainToolBar.add(fileLabel);           southPanel.add(mainToolBar, java.awt.BorderLayout.CENTER);           getContentPane().add(southPanel, java.awt.BorderLayout.SOUTH);           centerPanel.setLayout(new java.awt.BorderLayout());           getContentPane().add(centerPanel, java.awt.BorderLayout.CENTER);           pack();       }//GEN-END:initComponents              private void formWindowClosing(java.awt.event.WindowEvent evt) {          //GEN-FIRST:event_formWindowClosing           processor.close();       }//GEN-LAST:event_formWindowClosing              private void recordButtonActionPerformed(java.awt.event.ActionEvent evt) {          //GEN-FIRST:event_recordButtonActionPerformed           if(recordButton.getText().equals("Record")){               fileLabel.setText("File:");               if (movieChooser == null) movieChooser = new JFileChooser();               movieChooser.setDialogType(JFileChooser.SAVE_DIALOG);               //Add a custom file filter and disable the default               //(Accept All) file filter.               movieChooser.addChoosableFileFilter(new MOVFilter());               movieChooser.setAcceptAllFileFilterUsed(false);               movieChooser.setFileSelectionMode(JFileChooser.FILES_ONLY);               int returnVal = movieChooser.showDialog(this, "Record");               if (returnVal == JFileChooser.APPROVE_OPTION) {                   File file = movieChooser.getSelectedFile();                   if(!file.getName().endsWith(".mov")                      &&!file.getName().endsWith(".MOV")) file = new File(file.toString() + ".mov");                   recordToFile(file);                   fileLabel.setText("File:" + file.toString());                   recordButton.setText("Stop");               }           }else{               stopRecording();               recordButton.setText("Record");           }       }//GEN-LAST:event_recordButtonActionPerformed              void setJPEGQuality(Player p, float val) {           Control cs[] = p.getControls();           QualityControl qc = null;           VideoFormat jpegFmt = new VideoFormat(VideoFormat.JPEG);                      // Loop through the controls to find the Quality control for           // the JPEG encoder.           for (int i = 0; i < cs.length; i++) {               if (cs[i] instanceof QualityControl && cs[i] instanceof Owned) {                   Object owner = ((Owned)cs[i]).getOwner();                   // Check to see if the owner is a Codec.                   // Then check for the output format.                   if (owner instanceof Codec) {                       Format fmts[] = ((Codec)owner).getSupportedOutputFormats(null);                       for (int j = 0; j < fmts.length; j++) {                           if (fmts[j].matches(jpegFmt)) {                               qc = (QualityControl)cs[i];                               qc.setQuality(val);                               break;                           }                       }                   }                   if (qc != null) break;               }           }       }              public void checkIncoding(TrackControl track[]){           for (int i = 0; i < track.length; i++) {               Format format = track[i].getFormat();               if (track[i].isEnabled() && format instanceof VideoFormat) {                   Dimension size = ((VideoFormat)format).getSize();                   float frameRate = ((VideoFormat)format).getFrameRate();                   int w = (size.width % 8 == 0 ? size.width :(int)(size.width / 8) * 8);                   int h = (size.height % 8 == 0 ? size.height :(int)(size.height / 8) * 8);                   VideoFormat jpegFormat = new VideoFormat(                      VideoFormat.JPEG_RTP, new Dimension(w, h), Format.NOT_SPECIFIED, Format.byteArray, frameRate);                   messageLabel.setText("Status: Video transmitted as: " + jpegFormat.toString());               }           }       }              public void recordToFile(File file){           URL movieUrl = null;           MediaLocator dest = null;           try{               movieUrl = file.toURL();               dest = new MediaLocator(movieUrl);           }catch(MalformedURLException e){                          }                      recordCamSource = dataSource.cloneCamSource();           try{               recordProcessor = Manager.createProcessor(recordCamSource);           }catch (IOException e) {               JOptionPane.showMessageDialog(this,                   "Exception creating record processor: " + e.getMessage(), "Error", JOptionPane.WARNING_MESSAGE);               return;           }catch (NoProcessorException e) {               JOptionPane.showMessageDialog(this,                   "Exception creating record processor: " + e.getMessage(), "Error", JOptionPane.WARNING_MESSAGE);               return;           }           playhelper = new camStateHelper(recordProcessor);           if(!playhelper.configure(10000)){               JOptionPane.showMessageDialog(this,                   "cannot configure record processor", "Error", JOptionPane.WARNING_MESSAGE);               return;           }                      VideoFormat vfmt = new VideoFormat(VideoFormat.CINEPAK);           (recordProcessor.getTrackControls())[0].setFormat(vfmt);           (recordProcessor.getTrackControls())[0].setEnabled(true);           recordProcessor.setContentDescriptor(new FileTypeDescriptor(FileTypeDescriptor.QUICKTIME));           Control control = recordProcessor.getControl("javax.media.control.FrameRateControl");           if ( control != null && control instanceof javax.media.control.FrameRateControl )              ((javax.media.control.FrameRateControl)control).setFrameRate(15.0f);           if(!playhelper.realize(10000)){               JOptionPane.showMessageDialog(this,                   "cannot realize processor", "Error", JOptionPane.WARNING_MESSAGE);               return;           }                      try {               if(recordProcessor.getDataOutput()==null){                   JOptionPane.showMessageDialog(this,                       "No Data Output", "Error", JOptionPane.WARNING_MESSAGE);                   return;               }               dataSink = Manager.createDataSink(recordProcessor.getDataOutput(), dest);               recordProcessor.start();               dataSink.open();               dataSink.start();           } catch (NoDataSinkException ex) {               JOptionPane.showMessageDialog(this,                   "No DataSink " + ex.getMessage(), "Error", JOptionPane.WARNING_MESSAGE);           } catch (IOException ex) {               JOptionPane.showMessageDialog(this,                   "IOException " + ex.getMessage(), "Error", JOptionPane.WARNING_MESSAGE);           }       }              public void stopRecording(){           try {               recordProcessor.close();               dataSink.stop();               dataSink.close();           } catch (IOException e) {               JOptionPane.showMessageDialog(this,                   "cannot stop recording " + e.getMessage(), "Error", JOptionPane.WARNING_MESSAGE);           }       }              // Variables declaration - do not modify//GEN-BEGIN:variables       private javax.swing.JPanel centerPanel;       private javax.swing.JLabel fileLabel;       private javax.swing.JToolBar mainToolBar;       private javax.swing.JLabel messageLabel;       private javax.swing.JPanel northPanel;       private javax.swing.JButton recordButton;       private javax.swing.JPanel southPanel;       // End of variables declaration//GEN-END:variables   }