001/**
002 * Copyright (c) 2011, The University of Southampton and the individual contributors.
003 * All rights reserved.
004 *
005 * Redistribution and use in source and binary forms, with or without modification,
006 * are permitted provided that the following conditions are met:
007 *
008 *   *  Redistributions of source code must retain the above copyright notice,
009 *      this list of conditions and the following disclaimer.
010 *
011 *   *  Redistributions in binary form must reproduce the above copyright notice,
012 *      this list of conditions and the following disclaimer in the documentation
013 *      and/or other materials provided with the distribution.
014 *
015 *   *  Neither the name of the University of Southampton nor the names of its
016 *      contributors may be used to endorse or promote products derived from this
017 *      software without specific prior written permission.
018 *
019 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
020 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
021 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
022 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
023 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
024 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
025 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
026 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
027 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
028 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
029 */
030/**
031 * 
032 */
033package org.openimaj.demos.video;
034
035import java.io.IOException;
036
037import org.openimaj.image.MBFImage;
038import org.openimaj.video.VideoDisplay;
039import org.openimaj.video.VideoDisplayListener;
040import org.openimaj.video.capture.VideoCapture;
041
042/**
043 *      
044 *
045 *      @author David Dupplaw <dpd@ecs.soton.ac.uk>
046 *  @created 20 Jun 2012
047 *      @version $Author$, $Revision$, $Date$
048 */
049public class SimpleVideoSpeedTest
050{
051        public static void main( String[] args ) throws IOException
052        {
053                VideoCapture vc = new VideoCapture( 1280, 960 );
054                VideoDisplay<MBFImage> vd = VideoDisplay.createVideoDisplay( vc );
055                vd.addVideoListener( new VideoDisplayListener<MBFImage>()
056                {
057                        long lastTime = 0;
058                        
059                        @Override
060                        public void afterUpdate( VideoDisplay<MBFImage> display )
061                        {
062                        }
063
064                        @Override
065                        public void beforeUpdate( MBFImage frame )
066                        {
067                                long thisTime = System.currentTimeMillis();
068                                if( lastTime != 0 )
069                                {
070                                        System.out.println( 1000/(System.currentTimeMillis()-lastTime) );
071                                }
072                                
073                                lastTime = thisTime;
074                        }
075                } );
076        }
077}