#include"ac.h"

extern "C" void filter(cv::Mat  &frame) {
    static constexpr int MAX = 16;
    static ac::MatrixCollection<MAX> collection;
  
    if(collection.empty()) {
        srand(static_cast<unsigned int>(time(0)));
        collection.shiftFrames(frame);
    }
    
    if (rand()%10 == 0)
        collection.shiftFrames(frame);
    static int off = 0;
    for(int z = 0; z < frame.rows; ++z) {
        for(int i = 0; i < frame.cols; ++i) {
            cv::Vec3b &pixel = frame.at<cv::Vec3b>(z, i);
            cv::Mat &f = collection.frames[off];
            cv::Vec3b pix = f.at<cv::Vec3b>(z, i);
            pixel = pix;
        }
        if(++off > MAX-1)
            off = 0;
    }
}