Visual Servoing Platform  version 3.2.0 under development (2018-12-11)
manGrabDirectShow.cpp

Images grabbing example with the vpDirectShowGrabber class.

/****************************************************************************
*
* This file is part of the ViSP software.
* Copyright (C) 2005 - 2017 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 http://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.
*
* Authors:
* Anthony Saunier
* Fabien Spindler
*
*****************************************************************************/
#include <visp3/core/vpConfig.h>
#include <visp3/core/vpImage.h>
#include <visp3/sensor/vpDirectShowGrabber.h>
int main()
{
try {
vpImage<unsigned char> I; // Grey level image
#ifdef VISP_HAVE_DIRECTSHOW
vpDirectShowGrabber g; // Create the grabber
if (g.getDeviceNumber() == 0) // test if a camera is connected
{
g.close();
return -1;
}
g.open(); // Initialize the grabber
g.setImageSize(640, 480); // If the camera supports 640x480 image size
g.setFramerate(30); // If the camera supports 30fps framerate
for (;;)
g.acquire(I); // Acquire an image
#endif
return EXIT_SUCCESS;
} catch (const vpException &e) {
std::cout << "Catch an exception: " << e << std::endl;
return EXIT_FAILURE;
}
}