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manGrabDirectShow.cpp
1 /****************************************************************************
2  *
3  * $Id: manGrabDirectShow.cpp 4056 2013-01-05 13:04:42Z fspindle $
4  *
5  * This file is part of the ViSP software.
6  * Copyright (C) 2005 - 2013 by INRIA. All rights reserved.
7  *
8  * This software is free software; you can redistribute it and/or
9  * modify it under the terms of the GNU General Public License
10  * ("GPL") version 2 as published by the Free Software Foundation.
11  * See the file LICENSE.txt at the root directory of this source
12  * distribution for additional information about the GNU GPL.
13  *
14  * For using ViSP with software that can not be combined with the GNU
15  * GPL, please contact INRIA about acquiring a ViSP Professional
16  * Edition License.
17  *
18  * See http://www.irisa.fr/lagadic/visp/visp.html for more information.
19  *
20  * This software was developed at:
21  * INRIA Rennes - Bretagne Atlantique
22  * Campus Universitaire de Beaulieu
23  * 35042 Rennes Cedex
24  * France
25  * http://www.irisa.fr/lagadic
26  *
27  * If you have questions regarding the use of this file, please contact
28  * INRIA at visp@inria.fr
29  *
30  * This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
31  * WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
32  *
33  *
34  * Description:
35  * Images grabbing example.
36  *
37  * Authors:
38  * Anthony Saunier
39  * Fabien Spindler
40  *
41  *****************************************************************************/
55 #include <visp/vpConfig.h>
56 
57 #include <visp/vpImage.h>
58 #include <visp/vpDirectShowGrabber.h>
59 
60 int main()
61 {
62  vpImage<unsigned char> I; // Grey level image
63 
64 #ifdef VISP_HAVE_DIRECTSHOW
65  vpDirectShowGrabber g; // Create the grabber
66  if(g.getDeviceNumber() == 0) //test if a camera is connected
67  {
68  g.close();
69  return -1;
70  }
71 
72  g.open(); // Initialize the grabber
73 
74  g.setImageSize(640,480); // If the camera supports 640x480 image size
75  g.setFramerate(30); // If the camera supports 30fps framerate
76 
77  for ( ; ; )
78  g.acquire(I); // Acquire an image
79 #endif
80 
81  return 0;
82 }