Method _encode

src/Module/Encoder/LDPC/DVBS2/Encoder_LDPC_DVBS2.cpp:30–63

template<typename B>
void
Encoder_LDPC_DVBS2<B>::_encode(const B* U_K, B* X_N, const size_t /*frame_id*/)
{
    std::copy(U_K, U_K + this->K, X_N);
    std::fill(X_N + this->K, X_N + this->N, 0);

    B* Px = X_N + this->K;
    const int* p = dvbs2.EncValues.data();
    int xPos = 0;

    for (int y = 0; y < dvbs2.N_LINES; y++)
    {
        int nbPos = (*p++);

        for (int l = 0; l < dvbs2.M; l++)
        {
            int bit = (int)U_K[xPos];
            if (bit == 1)
            {
                for (int q = 0; q < nbPos; q++)
                {
                    // int position  = (p[q] + (xPos % dvbs2.M) * dvbs2.Q) % dvbs2.NmK;
                    int position = (p[q] + l * dvbs2.Q) % dvbs2.NmK;
                    Px[position] ^= bit;
                }
            }
            xPos++;
        }
        p += nbPos;
    }

    for (int i = 1; i < dvbs2.NmK; i++)
        Px[i] = Px[i] ^ Px[i - 1];
}

// ==================================================================================== explicit template instantiation
#include "Tools/types.h"