View Javadoc

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  package org.openimaj.content.slideshow;
31  
32  import java.awt.Component;
33  import java.awt.Dimension;
34  import java.awt.GridBagLayout;
35  import java.io.File;
36  import java.io.IOException;
37  import java.net.URL;
38  
39  import javax.swing.JPanel;
40  
41  import org.apache.commons.io.FileUtils;
42  import org.openimaj.image.MBFImage;
43  import org.openimaj.video.VideoDisplay;
44  import org.openimaj.video.VideoDisplay.EndAction;
45  import org.openimaj.video.xuggle.XuggleAudio;
46  import org.openimaj.video.xuggle.XuggleVideo;
47  
48  /**
49   * Slide with audio and video
50   * 
51   * @author Jonathon Hare (jsh2@ecs.soton.ac.uk)
52   * 
53   */
54  public class AudioVideoSlide implements Slide {
55  
56  	private URL url;
57  	private EndAction endAction;
58  	private VideoDisplay<MBFImage> display;
59  
60  	/**
61  	 * Construct with the given video and {@link EndAction}
62  	 * 
63  	 * @param url
64  	 * @param endAction
65  	 * @throws IOException
66  	 */
67  	public AudioVideoSlide(URL url, EndAction endAction) throws IOException {
68  		if (url.getProtocol().startsWith("jar")) {
69  			final File tmp = File.createTempFile("movie", ".tmp");
70  			tmp.deleteOnExit();
71  			FileUtils.copyURLToFile(url, tmp);
72  			url = tmp.toURI().toURL();
73  		}
74  
75  		this.url = url;
76  		this.endAction = endAction;
77  	}
78  
79  	@Override
80  	public Component getComponent(int width, int height) throws IOException {
81  		final JPanel base = new JPanel();
82  		base.setOpaque(false);
83  		base.setPreferredSize(new Dimension(width, height));
84  		base.setLayout(new GridBagLayout());
85  
86  		try {
87  			final XuggleVideo video = new XuggleVideo(this.url, true);
88  			final XuggleAudio audio = new XuggleAudio(this.url);
89  
90  			display = VideoDisplay.createVideoDisplay(video, audio, base);
91  			display.setEndAction(this.endAction);
92  		} catch (final Exception e) {
93  			e.printStackTrace();
94  		}
95  
96  		return base;
97  	}
98  
99  	@Override
100 	public void close() {
101 		display.close();
102 	}
103 }