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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  /**
31   * 
32   */
33  package org.openimaj.video.processing.shotdetector;
34  
35  import org.openimaj.image.Image;
36  import org.openimaj.video.timecode.VideoTimecode;
37  
38  /**
39   * 	A class that represents a keyframe of a video. Encapsualtes the image
40   * 	representing the keyframe as well as the timecode at which the keyframe
41   * 	occurs in the video.
42   * 
43   *  @author David Dupplaw (dpd@ecs.soton.ac.uk)
44   *	
45   * 	@param <T> the {@link Image} type 
46   *	@created 1 Jun 2011
47   */
48  public class VideoKeyframe<T extends Image<?,T>>
49  {
50  	/** An image at the shot boundary */
51  	public T imageAtBoundary = null;
52  	
53  	/** The timecode of the keyframe */
54  	public VideoTimecode timecode = null;
55  	
56  	/**
57  	 * 	Constructor that allows construction of an image-based shot
58  	 * 	boundary.
59  	 * 
60  	 *  @param timecode The timecode of the shot boundary
61  	 *  @param img The image at the shot boundary
62  	 */
63  	public VideoKeyframe( VideoTimecode timecode, T img )
64  	{
65  	    this.imageAtBoundary = img;
66  	    this.timecode = timecode;
67      }
68  	
69  	/**
70  	 * 	Return the image at the shot boundary.
71  	 *  @return The image at the shot boundary.
72  	 */
73  	public T getImage()
74  	{
75  		return imageAtBoundary;
76  	}
77  	
78  	/**
79  	 * 	Returns the timecode of this keyframe.
80  	 *	@return The timecode of the keyframe in the video.
81  	 */
82  	public VideoTimecode getTimecode()
83  	{
84  		return this.timecode;
85  	}
86  	
87  	/**
88  	 *	{@inheritDoc}
89  	 */
90  	@Override
91  	public VideoKeyframe<T> clone()
92  	{
93  		return new VideoKeyframe<T>( this.timecode.clone(), 
94  				this.imageAtBoundary.clone() );
95  	}
96  }