package ca.bc.webarts.tools;

/*
 *  javac livesave.java
 *  java livesave
 *  Check the path is found
 *  String path1="file:///c:\\sam.avi"  path where the file has to be saved.
 *  Install device driver and java media frame work before running this
 *  program
 */

import java.applet.*;
import java.awt.*;
import java.awt.event.*;
import java.util.*;
import javax.media.*;
import javax.media.Buffer;
import javax.media.control.*;
import javax.media.format.*;
import javax.media.protocol.*;
import javax.media.protocol.BufferTransferHandler;
import javax.media.protocol.PushBufferDataSource;
import javax.media.protocol.PushBufferStream;




/**
 *  Description of the Class
 *
 * @author    tgutwin
 */
public class LiveWebCam
{
  /**
   *  Description of the Method
   *
   * @param  arg  Description of the Parameter
   */
  public static void main( String arg[] )
  {
    WebCam2 l1 = new WebCam2();
    l1.setVisible( true );
    l1.addWindowListener(
          new WindowAdapter()
          {
            public void windowClosing( WindowEvent we )
            {
              System.exit( 0 );
            }
          } );
  }
}


/**
 *  Description of the Class
 *
 * @author    tgutwin
 */
class WebCam2 extends Frame
{


  /**  Description of the Field */
  Player aplayer, vplayer;
  /**  Description of the Field */
  Panel panel;
  /**  Description of the Field */
  CaptureDeviceInfo audiodevice;
  /**  Description of the Field */
  CaptureDeviceInfo videodevice, deviceinfo;
  /**  Description of the Field */
  Format videoaudioformat = null;
  /**  Description of the Field */
  String devicename[] = new String[10];
  /**  Description of the Field */
  Format audioformat = null;
  /**  Description of the Field */
  Format videoformat = null;
  /**  Description of the Field */
  Processor processor1, processor2;
  /**  Description of the Field */
  ProcessorModel processormodel;
  /**  Description of the Field */
  Object state = new Object();
  /**  Description of the Field */
  DataSource ds;
  /**  Description of the Field */
  int a = 1;
  /**  Description of the Field */
  MediaLocator videolocator, audiolocator;
  /**  Description of the Field */
  DataSource datasource[] = new DataSource[2];
  /**  Description of the Field */
  Vector devicelist;


  /**  Constructor for the LiveWebCam object */
  public WebCam2()
  {
    try
    {
      System.out.print("Getting Device List ");
      devicelist = CaptureDeviceManager.getDeviceList( videoaudioformat );
      System.out.println("("+devicelist.size()+")");
      for ( int i = 0; i < devicelist.size(); i++ )
      {
        deviceinfo = (CaptureDeviceInfo)devicelist.elementAt( i );
        devicename[i] = deviceinfo.getName();
        System.out.println( "Device name is " + devicename[i] );
        Format sfmt[] = deviceinfo.getFormats();
        for ( int i1 = 0; i1 < sfmt.length; i1++ )
        {
          if ( sfmt[i1] instanceof VideoFormat )
          {
            videodevice = CaptureDeviceManager.getDevice( devicename[i] );
            videoformat = sfmt[i1];
          }
          if ( sfmt[i1] instanceof AudioFormat )
          {
            audiodevice = CaptureDeviceManager.getDevice( devicename[i] );
            audioformat = sfmt[i1];
          }
        }
      }
      MediaLocator m = videodevice.getLocator();
      System.out.println( "Video device is " + m );
      MediaLocator m1 = audiodevice.getLocator();
      System.out.println( "Audio device is " + m1 );

      videolocator = videodevice.getLocator();
      System.out.println( videolocator );
      MediaLocator audiolocator = audiodevice.getLocator();
      System.out.println( audiolocator );

      datasource[0] = Manager.createDataSource( videolocator );
      datasource[1] = Manager.createDataSource( audiolocator );
      ds = Manager.createMergingDataSource( datasource );

      processor1 = Manager.createProcessor( ds );

      processor1.configure();
      while ( processor1.getState() < processor1.Configured )
      {
        synchronized ( state )
        {
          state.wait( 100 );
        }
      }

      processor1.setContentDescriptor( new FileTypeDescriptor( FileTypeDescriptor.MSVIDEO ) );
      TrackControl[] tcs1 = processor1.getTrackControls();
      for ( int i = 0; i < tcs1.length; i++ )
      {
        Format frmt = tcs1[i].getFormat();
        System.out.println( "Format of track " + i + " is " + frmt );
        if ( tcs1[i] instanceof VideoFormat )
        {
          tcs1[i].setFormat( new VideoFormat( VideoFormat.JPEG ) );
          System.out.println( "The Format of track " + i + " is " + frmt );
        }
        if ( tcs1[i] instanceof AudioFormat )
        {
          tcs1[i].setFormat( new AudioFormat( AudioFormat.LINEAR ) );
          System.out.println( "The Format of track " + i + " is " + frmt );
        }
      }

      processor1.realize();
      while ( processor1.getState() < processor1.Realized )
      {
        synchronized ( state )
        {
          state.wait( 100 );
        }
      }

      processor1.prefetch();
      while ( processor1.getState() < processor1.Prefetched )
      {
        synchronized ( state )
        {
          state.wait( 100 );
        }
      }

      DataSource ds1 = processor1.getDataOutput();

      System.out.println( "Data Source Content Type " + ds1.getContentType() );
      System.out.println( "Data Source Content Type " + ds.getContentType() );

      DataSink datasink;
      MediaLocator out;
      String path1 = "file:///c:\\sam.avi";
      out = new MediaLocator( path1 );
      datasink = Manager.createDataSink( ds1, out );
      datasink.open();
      datasink.start();
      ds1.start();
      processor1.start();
      /*
       *  processor1.close();
       *  datasink.close();
       *  ds1.stop();
       *  System.exit(0);
       */
    }
    catch ( Exception e )
    {
      System.out.println( e.getMessage() );
    }
  }

}