/* -*- c++ -*- */
/*
 * Copyright 2015 Free Software Foundation, Inc.
 *
 * This is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published
 * by the Free Software Foundation; either version 3, or (at your
 * option) any later version.
 *
 * This software is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this software; see the file COPYING.  If not, write to
 * the Free Software Foundation, Inc., 51 Franklin Street,
 * Boston, MA 02110-1301, USA.
 */

#ifndef INCLUDED_FEC_LDPC_BIT_FLIP_DECODER_IMPL_H
#define INCLUDED_FEC_LDPC_BIT_FLIP_DECODER_IMPL_H

#include <gnuradio/fec/ldpc_bit_flip_decoder.h>

namespace gr {
namespace fec {
namespace code {

class FEC_API ldpc_bit_flip_decoder_impl : public ldpc_bit_flip_decoder
{
private:
    // Plug into the generic FEC API:
    int get_input_size();  // n, # of bits in the received block
    int get_output_size(); // k, # of bits in the info word
    int d_input_size;
    int d_output_size;

    double d_rate;

    // FEC matrix object to use for decoding
    fec_mtrx_sptr d_mtrx;

    // Maximum number of iterations to do in decoding algorithm
    unsigned int d_max_iterations;

public:
    ldpc_bit_flip_decoder_impl(const fec_mtrx_sptr mtrx_obj, unsigned int max_iter = 100);
    ~ldpc_bit_flip_decoder_impl();

    void generic_work(void* inbuffer, void* outbuffer);
    bool set_frame_size(unsigned int frame_size);
    double rate();
};

} /* namespace code */
} /* namespace fec */
} /* namespace gr */

#endif /* INCLUDED_FEC_LDPC_BIT_FLIP_DECODER_IMPL_H */
