Example: hwdrivers_capture_video_flycapture2

C++ example source code:

/* +------------------------------------------------------------------------+
   |                     Mobile Robot Programming Toolkit (MRPT)            |
   |                          https://www.mrpt.org/                         |
   |                                                                        |
   | Copyright (c) 2005-2024, Individual contributors, see AUTHORS file     |
   | See: https://www.mrpt.org/Authors - All rights reserved.               |
   | Released under BSD License. See: https://www.mrpt.org/License          |
   +------------------------------------------------------------------------+ */

#include <mrpt/gui/CDisplayWindow.h>
#include <mrpt/hwdrivers/CImageGrabber_FlyCapture2.h>
#include <mrpt/io/CFileGZOutputStream.h>
#include <mrpt/serialization/CArchive.h>
#include <mrpt/system/CTicTac.h>
#include <mrpt/system/os.h>

#include <iostream>

using namespace mrpt::hwdrivers;
using namespace mrpt::obs;
using namespace mrpt::gui;
using namespace mrpt::io;
using namespace mrpt::serialization;
using namespace mrpt::system;
using namespace std;

// ------------------------------------------------------
//              TestCapture_FlyCapture2
// ------------------------------------------------------

void TestCapture_FlyCapture2()
{
  cout << " FlyCapture2 version: " << CImageGrabber_FlyCapture2::getFC2version() << std::endl;

  // Create camera object:
  CImageGrabber_FlyCapture2 capture;

  // Open camera:
  TCaptureOptions_FlyCapture2 cam_options;

  cam_options.framerate = "FRAMERATE_30";
  cam_options.videomode = "VIDEOMODE_1280x960RGB";
  // cam_options.videomode="VIDEOMODE_1280x960Y8";

  capture.open(cam_options);

  CTicTac tictac;
  cout << "Press any key to stop capture to 'capture.rawlog'..." << endl;

  CFileGZOutputStream fil("./capture.rawlog");

  CDisplayWindow win("Capturing...");

  int cnt = 0;

  CObservationImage::Ptr obs = CObservationImage::Create();  // Memory will be freed
  // by SF
  // destructor in each loop.

  while (!mrpt::system::os::kbhit())
  {
    if ((cnt++ % 20) == 0)
    {
      if (cnt > 0)
      {
        double t = tictac.Tac();
        double FPS = 20 / t;
        printf("\n %f FPS\n", FPS);
      }
      tictac.Tic();
    }

    if (!capture.getObservation(*obs))
    {
      cerr << "Error retrieving images!" << endl;
      break;
    }

    cout << ".";
    cout.flush();
    if (win.isOpen()) win.showImage(obs->image);

    archiveFrom(fil) << obs;
  }
}

int main(int argc, char** argv)
{
  try
  {
    TestCapture_FlyCapture2();
    return 0;
  }
  catch (const std::exception& e)
  {
    std::cerr << "MRPT error: " << mrpt::exception_to_str(e) << std::endl;
    return -1;
  }
  catch (...)
  {
    printf("Another exception!!");
    return -1;
  }
}