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 */ 030package org.openimaj.demos.sitestuff; 031 032import java.io.File; 033import java.util.ArrayList; 034import java.util.List; 035 036import org.openimaj.demos.sandbox.image.gif.GifSequenceWriter; 037import org.openimaj.image.DisplayUtilities; 038import org.openimaj.image.Image; 039import org.openimaj.image.MBFImage; 040import org.openimaj.image.colour.ColourSpace; 041import org.openimaj.image.processing.resize.ResizeProcessor; 042import org.openimaj.video.VideoDisplay; 043import org.openimaj.video.VideoDisplayListener; 044import org.openimaj.video.capture.VideoCapture; 045import org.openimaj.video.capture.VideoCaptureException; 046 047public class VideoProcessingSiteDemo { 048 public static void main(String[] args) throws VideoCaptureException { 049 VideoCapture cap = new VideoCapture(640, 480); 050 final List<Image<?,?>> frames = new ArrayList<Image<?,?>>(); 051 VideoDisplay.createOffscreenVideoDisplay(cap).addVideoListener(new VideoDisplayListener<MBFImage>() { 052 MBFImage last; 053 int nWritten = 0; 054 @Override 055 public void beforeUpdate(MBFImage frame) { 056 if(frame==null) return; 057 MBFImage combined = new MBFImage(frame.getWidth()*2,frame.getHeight(),ColourSpace.RGB); 058 combined.drawImage(frame, 0, 0); 059 if(last != null){ 060 combined.drawImage( 061 frame.subtract(last).abs(), frame.getWidth(),0 062 ); 063 } 064 last = frame.clone(); 065 combined.processInplace(new ResizeProcessor(400, 300)); 066 DisplayUtilities.displayName(combined, "combined"); 067 frames.add(combined); 068 if(frames.size()%60 == 0){ 069 try { 070 File gifOut = new File("/Users/ss/Desktop/videoProc/"+ "out_" + nWritten + ".gif"); 071 GifSequenceWriter.writeGif(frames,200, true, gifOut); 072 frames.clear(); 073 System.out.println("GIF written: " + gifOut); 074 nWritten++; 075 } catch (Exception e) { 076 } 077 } 078 } 079 080 @Override 081 public void afterUpdate(VideoDisplay<MBFImage> display) { 082 083 } 084 }); 085 } 086}