#include"ac.h"

extern "C" void filter(cv::Mat  &frame) {
    static constexpr int MAX = 8;
    static ac::MatrixCollection<MAX> collection;
    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);
            for(int q = 0; q < 3; ++q) {
                pixel[q] = static_cast<unsigned char>((0.5 * pixel[q]) + (0.5 * pix[q]));
            }
        }
        if(rand()%50 == 0) ++off;
        if(off > MAX-1) {
            off = 0;
        }
    }
}