Example: vision_create_video_file_example

C++ example source code:

/* +------------------------------------------------------------------------+
   |                     Mobile Robot Programming Toolkit (MRPT)            |
   |                          https://www.mrpt.org/                         |
   |                                                                        |
   | Copyright (c) 2005-2025, 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/img/CImage.h>
#include <mrpt/vision/CVideoFileWriter.h>

#include <iostream>

using namespace mrpt;
using namespace mrpt::vision;
using namespace mrpt::img;
using namespace std;

/* ------------------------------------------------------------------------
          Test_VideoFile
   ------------------------------------------------------------------------ */
void Test_VideoFile()
{
  CVideoFileWriter vid;

  cout << "Creating test.avi..." << endl;

  const int W = 352;
  const int H = 288;

  vid.open("test.avi", 15, TImageSize(W, H));  // Use default codec
  //    vid.open("test.avi",15,TImageSize(W,H),"XVID");

  for (int i = 1; i < 100; i++)
  {
    CImage img(W, H);

    img.rectangle(0, 0, 320, 200, TColor::black());

    img.drawCircle(160 + 50 * cos(0.05 * i), 120 + 50 * sin(0.05 * i), 30, TColor(255, 255, 255));

    vid << img;

    cout << "frame " << i << endl;
  }
  vid.close();

  cout << "Video closed " << endl;
}

// ------------------------------------------------------
//                      MAIN
// ------------------------------------------------------
int main(int argc, char** argv)
{
  try
  {
    Test_VideoFile();

    return 0;
  }
  catch (const std::exception& e)
  {
    std::cerr << "MRPT error: " << mrpt::exception_to_str(e) << std::endl;
    return -1;
  }
  catch (...)
  {
    printf("Untyped exception!");
    return -1;
  }
}