average.cpp

#include <opencv2/opencv.hpp>
#include <iostream>
#include <vector>
#include <string>
#include <sstream>
#include "rapidcsv.h"
#include <numeric>
int main()
{
    std::string doc_file = "C:\\Users\\ME\\source\\repos\\opencv-test\\opencv-test\\test.csv";
    rapidcsv::Document doc(doc_file);
    std::vector<int> isDupeFrame = doc.GetColumn<int>("bDupeFrame");
    std::cout << "Read " << isDupeFrame.size() << " values from " << doc_file << "\n";
    std::vector<int> fps_list(60, 0);
    std::vector<double> fps_graph(60, 0.0);
    double fps = 0.0;
    // https://github.com/AndrewKeYanzhe/frametime-analyser/blob/afe51142f6436c143e4767191c384e300d05bf4e/Frametime%20Analyser.py#L96
    // for average calc based on dupe frames in vector [ 0, 0, 1, 1, 0 ,1 ,0 ]
    for (int i = 0; i < isDupeFrame.size(); i++)
    {
        if (isDupeFrame[i])
        {
            fps_list.erase(fps_list.begin());
            fps_list.push_back(0);
        }
        else
        {
            fps_list.erase(fps_list.begin());
            fps_list.push_back(1);
        }

        fps = std::accumulate(fps_list.begin(), fps_list.end(), 0.0);

        if (i < 60)
        {
            fps_graph[i] = fps;
        }
        else
        {
            std::rotate(fps_graph.begin(), fps_graph.begin() + 1, fps_graph.end());
            fps_graph[59] = fps;
        }

        std::cout << fps << '\n';
    }
    return 0;
}