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.examples.video; 031 032import java.awt.event.KeyAdapter; 033import java.awt.event.KeyEvent; 034import java.io.IOException; 035 036import javax.swing.SwingUtilities; 037 038import org.openimaj.image.MBFImage; 039import org.openimaj.video.Video; 040import org.openimaj.video.VideoDisplay; 041import org.openimaj.video.VideoDisplayListener; 042import org.openimaj.video.capture.VideoCapture; 043import org.openimaj.video.xuggle.XuggleVideoWriter; 044 045/** 046 * Record the webcam to a file. 047 * 048 * @author Jonathon Hare (jsh2@ecs.soton.ac.uk) 049 */ 050public class VideoRecordingExample extends KeyAdapter implements VideoDisplayListener<MBFImage> { 051 private Video<MBFImage> video; 052 private VideoDisplay<MBFImage> display; 053 private XuggleVideoWriter writer; 054 private boolean close = false; 055 056 /** 057 * Default constructor 058 * 059 * @throws IOException 060 */ 061 public VideoRecordingExample() throws IOException { 062 // open webcam 063 video = new VideoCapture(320, 240); 064 065 // open display 066 display = VideoDisplay.createVideoDisplay(video); 067 068 // open a writer 069 writer = new XuggleVideoWriter("video.flv", video.getWidth(), video.getHeight(), 30); 070 071 // set this class to listen to video display events 072 display.addVideoListener(this); 073 074 // set this class to listen to keyboard events 075 SwingUtilities.getRoot(display.getScreen()).addKeyListener(this); 076 } 077 078 @Override 079 public void afterUpdate(VideoDisplay<MBFImage> display) { 080 // Do nothing 081 } 082 083 @Override 084 public void beforeUpdate(MBFImage frame) { 085 // write a frame 086 if (!close) { 087 writer.addFrame(frame); 088 } 089 } 090 091 @Override 092 public void keyPressed(KeyEvent key) { 093 // wait for the escape key to be pressed 094 close = key.getKeyCode() == KeyEvent.VK_ESCAPE; 095 } 096 097 /** 098 * Main method 099 * 100 * @param args 101 * ignored 102 * @throws IOException 103 */ 104 public static void main(String[] args) throws IOException { 105 new VideoRecordingExample(); 106 } 107}