Visual Servoing Platform
version 3.3.0
manGrabDirectShow.cpp
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/****************************************************************************
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*
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* ViSP, open source Visual Servoing Platform software.
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* Copyright (C) 2005 - 2019 by Inria. All rights reserved.
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*
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* This software is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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* See the file LICENSE.txt at the root directory of this source
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* distribution for additional information about the GNU GPL.
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*
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* For using ViSP with software that can not be combined with the GNU
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* GPL, please contact Inria about acquiring a ViSP Professional
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* Edition License.
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*
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* See http://visp.inria.fr for more information.
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*
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* This software was developed at:
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* Inria Rennes - Bretagne Atlantique
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* Campus Universitaire de Beaulieu
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* 35042 Rennes Cedex
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* France
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*
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* If you have questions regarding the use of this file, please contact
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* Inria at visp@inria.fr
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*
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* This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
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* WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
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*
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* Description:
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* Images grabbing example.
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*
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* Authors:
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* Anthony Saunier
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* Fabien Spindler
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*
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*****************************************************************************/
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#include <visp3/core/vpConfig.h>
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#include <visp3/core/vpImage.h>
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#include <visp3/sensor/vpDirectShowGrabber.h>
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int
main()
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{
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try
{
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vpImage<unsigned char>
I;
// Grey level image
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#ifdef VISP_HAVE_DIRECTSHOW
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vpDirectShowGrabber
g;
// Create the grabber
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if
(g.
getDeviceNumber
() == 0)
// test if a camera is connected
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{
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g.
close
();
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return
-1;
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}
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g.
open
();
// Initialize the grabber
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g.
setImageSize
(640, 480);
// If the camera supports 640x480 image size
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g.
setFramerate
(30);
// If the camera supports 30fps framerate
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for
(;;)
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g.
acquire
(I);
// Acquire an image
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#endif
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return
EXIT_SUCCESS;
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}
catch
(
const
vpException
&e) {
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std::cout <<
"Catch an exception: "
<< e << std::endl;
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return
EXIT_FAILURE;
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}
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}
vpDirectShowGrabber::acquire
void acquire(vpImage< unsigned char > &I)
Definition:
vpDirectShowGrabber.cpp:91
vpDirectShowGrabber::close
void close()
Definition:
vpDirectShowGrabber.cpp:106
vpDirectShowGrabber::open
void open()
Definition:
vpDirectShowGrabber.cpp:69
vpDirectShowGrabber
class for windows direct show devices
Definition:
vpDirectShowGrabber.h:62
vpImage< unsigned char >
vpDirectShowGrabber::getDeviceNumber
unsigned int getDeviceNumber()
Definition:
vpDirectShowGrabber.cpp:112
vpDirectShowGrabber::setFramerate
bool setFramerate(double framerate)
Definition:
vpDirectShowGrabber.cpp:143
vpDirectShowGrabber::setImageSize
bool setImageSize(unsigned int width, unsigned int height)
Definition:
vpDirectShowGrabber.cpp:133
vpException
error that can be emited by ViSP classes.
Definition:
vpException.h:70
example
manual
image-manipulation
manGrabDirectShow.cpp
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