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1   /**
2    * Copyright (c) 2011, The University of Southampton and the individual contributors.
3    * All rights reserved.
4    *
5    * Redistribution and use in source and binary forms, with or without modification,
6    * are permitted provided that the following conditions are met:
7    *
8    *   * 	Redistributions of source code must retain the above copyright notice,
9    * 	this list of conditions and the following disclaimer.
10   *
11   *   *	Redistributions in binary form must reproduce the above copyright notice,
12   * 	this list of conditions and the following disclaimer in the documentation
13   * 	and/or other materials provided with the distribution.
14   *
15   *   *	Neither the name of the University of Southampton nor the names of its
16   * 	contributors may be used to endorse or promote products derived from this
17   * 	software without specific prior written permission.
18   *
19   * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
20   * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
21   * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
22   * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
23   * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
24   * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
25   * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
26   * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
27   * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
28   * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29   */
30  /**
31   * 
32   */
33  package org.openimaj.demos.video;
34  
35  import java.io.IOException;
36  
37  import org.openimaj.image.MBFImage;
38  import org.openimaj.video.VideoDisplay;
39  import org.openimaj.video.VideoDisplayListener;
40  import org.openimaj.video.capture.VideoCapture;
41  
42  /**
43   *	
44   *
45   *	@author David Dupplaw <dpd@ecs.soton.ac.uk>
46   *  @created 20 Jun 2012
47   *	@version $Author$, $Revision$, $Date$
48   */
49  public class SimpleVideoSpeedTest
50  {
51  	public static void main( String[] args ) throws IOException
52  	{
53  		VideoCapture vc = new VideoCapture( 1280, 960 );
54  		VideoDisplay<MBFImage> vd = VideoDisplay.createVideoDisplay( vc );
55  		vd.addVideoListener( new VideoDisplayListener<MBFImage>()
56  		{
57  			long lastTime = 0;
58  			
59  			@Override
60  			public void afterUpdate( VideoDisplay<MBFImage> display )
61  			{
62  			}
63  
64  			@Override
65  			public void beforeUpdate( MBFImage frame )
66  			{
67  				long thisTime = System.currentTimeMillis();
68  				if( lastTime != 0 )
69  				{
70  					System.out.println( 1000/(System.currentTimeMillis()-lastTime) );
71  				}
72  				
73  				lastTime = thisTime;
74  			}
75  		} );
76  	}
77  }