ViSP  2.8.0
tutorial-grabber-v4l2.cpp
#include <visp/vpV4l2Grabber.h>
#include <visp/vpDisplayX.h>
#include <visp/vpImage.h>
int main()
{
#ifdef VISP_HAVE_V4L2
g.open(I);
std::cout << "Image size: " << I.getWidth() << " " << I.getHeight() << std::endl;
#ifdef VISP_HAVE_X11
vpDisplayX d(I);
#else
std::cout << "No image viewer is available..." << std::endl;
#endif
while(1) {
g.acquire(I);
if (vpDisplay::getClick(I, false)) break;
}
#endif
}