Visual Servoing Platform version 3.6.0
Loading...
Searching...
No Matches
manGrabDirectShow.cpp
1/****************************************************************************
2 *
3 * ViSP, open source Visual Servoing Platform software.
4 * Copyright (C) 2005 - 2023 by Inria. All rights reserved.
5 *
6 * This software is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
10 * See the file LICENSE.txt at the root directory of this source
11 * distribution for additional information about the GNU GPL.
12 *
13 * For using ViSP with software that can not be combined with the GNU
14 * GPL, please contact Inria about acquiring a ViSP Professional
15 * Edition License.
16 *
17 * See https://visp.inria.fr for more information.
18 *
19 * This software was developed at:
20 * Inria Rennes - Bretagne Atlantique
21 * Campus Universitaire de Beaulieu
22 * 35042 Rennes Cedex
23 * France
24 *
25 * If you have questions regarding the use of this file, please contact
26 * Inria at visp@inria.fr
27 *
28 * This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
29 * WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
30 *
31 * Description:
32 * Images grabbing example.
33 *
34*****************************************************************************/
48#include <visp3/core/vpConfig.h>
49
50#include <visp3/core/vpImage.h>
51#include <visp3/sensor/vpDirectShowGrabber.h>
52
53int main()
54{
55 try {
56 vpImage<unsigned char> I; // Grey level image
57
58#ifdef VISP_HAVE_DIRECTSHOW
59 vpDirectShowGrabber g; // Create the grabber
60 if (g.getDeviceNumber() == 0) // test if a camera is connected
61 {
62 g.close();
63 return EXIT_FAILURE;
64 }
65
66 g.open(); // Initialize the grabber
67
68 g.setImageSize(640, 480); // If the camera supports 640x480 image size
69 g.setFramerate(30); // If the camera supports 30fps framerate
70
71 for (;;)
72 g.acquire(I); // Acquire an image
73#endif
74
75 return EXIT_SUCCESS;
76 }
77 catch (const vpException &e) {
78 std::cout << "Catch an exception: " << e << std::endl;
79 return EXIT_FAILURE;
80 }
81}
class for windows direct show devices
void acquire(vpImage< unsigned char > &I)
bool setImageSize(unsigned int width, unsigned int height)
bool setFramerate(double framerate)
error that can be emitted by ViSP classes.
Definition vpException.h:59
Definition of the vpImage class member functions.
Definition vpImage.h:135