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/* -*- c++ -*- */
/*
* Copyright 2015,2016 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_DTV_DVBT_INNER_CODER_IMPL_H
#define INCLUDED_DTV_DVBT_INNER_CODER_IMPL_H
#include <gnuradio/dtv/dvbt_inner_coder.h>
#include "dvbt_configure.h"
namespace gr {
namespace dtv {
class dvbt_inner_coder_impl : public dvbt_inner_coder
{
private:
const dvbt_configure config;
static const int d_lookup_171[128];
static const int d_lookup_133[128];
int d_ninput;
int d_noutput;
int d_reg;
//counts the bits in the bytes
//in input stream
int d_bitcount;
// Code rate k/n
int d_k;
int d_n;
// Constellation with m
int d_m;
// input block size in bytes
int d_in_bs;
// bit input buffer
unsigned char * d_in_buff;
// output block size in bytes
int d_out_bs;
// bit output buffer
unsigned char * d_out_buff;
inline void generate_codeword(unsigned char in, int &x, int &y);
inline void generate_punctured_code(dvb_code_rate_t coderate, unsigned char * in, unsigned char * out);
public:
dvbt_inner_coder_impl(int ninput, int noutput, dvb_constellation_t constellation, dvbt_hierarchy_t hierarchy, dvb_code_rate_t coderate);
~dvbt_inner_coder_impl();
void forecast (int noutput_items, gr_vector_int &ninput_items_required);
int general_work (int noutput_items,
gr_vector_int &ninput_items,
gr_vector_const_void_star &input_items,
gr_vector_void_star &output_items);
};
} // namespace dtv
} // namespace gr
#endif /* INCLUDED_DTV_DVBT_INNER_CODER_IMPL_H */
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