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}