1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
|
/*
* ViSP, open source Visual Servoing Platform software.
* Copyright (C) 2005 - 2025 by Inria. All rights reserved.
*
* This software is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
* See the file LICENSE.txt at the root directory of this source
* distribution for additional information about the GNU GPL.
*
* For using ViSP with software that can not be combined with the GNU
* GPL, please contact Inria about acquiring a ViSP Professional
* Edition License.
*
* See https://visp.inria.fr for more information.
*
* This software was developed at:
* Inria Rennes - Bretagne Atlantique
* Campus Universitaire de Beaulieu
* 35042 Rennes Cedex
* France
*
* If you have questions regarding the use of this file, please contact
* Inria at visp@inria.fr
*
* This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
* WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
*
* Description:
* Images grabbing example.
*/
/*!
\file manGrabV4l2.cpp
\brief Images grabbing example with the vpV4l2Grabber class.
*/
/*!
\example manGrabV4l2.cpp
\brief Images grabbing example with the vpV4l2Grabber class.
*/
#include <visp3/core/vpConfig.h>
#include <visp3/core/vpImage.h>
#include <visp3/sensor/vpV4l2Grabber.h>
int main()
{
#ifdef ENABLE_VISP_NAMESPACE
using namespace VISP_NAMESPACE_NAME;
#endif
try {
vpImage<unsigned char> I; // Grey level image
#ifdef VISP_HAVE_V4L2
vpV4l2Grabber g;
g.setInput(2); // Input 2 on the board
g.setWidth(768); // Acquired images are 768 width
g.setHeight(576); // Acquired images are 576 height
g.setNBuffers(3); // 3 ring buffers to ensure real-time acquisition
g.open(I); // Open the grabber
for (;;)
g.acquire(I); // Acquire a 768x576 grey image
#endif
return EXIT_SUCCESS;
}
catch (const vpException &e) {
std::cout << "Catch an exception: " << e << std::endl;
return EXIT_FAILURE;
}
}
|
