/* -*- 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_DTV_DVBT2_P1INSERTION_CC_IMPL_H
#define INCLUDED_DTV_DVBT2_P1INSERTION_CC_IMPL_H

#include "../dvb/dvb_defines.h"

#include <gnuradio/dtv/dvbt2_p1insertion_cc.h>
#include <gnuradio/fft/fft.h>

namespace gr {
namespace dtv {

class dvbt2_p1insertion_cc_impl : public dvbt2_p1insertion_cc
{
private:
    int fft_size;
    int guard_interval;
    int frame_items;
    int insertion_items;
    int N_P2;
    int p1_randomize[384];
    int modulation_sequence[384];
    int dbpsk_modulation_sequence[385];
    gr_complex p1_freq[1024];
    gr_complex p1_freqshft[1024];
    gr_complex p1_time[1024];
    gr_complex p1_timeshft[1024];
    void init_p1_randomizer(void);

    int show_levels;
    float real_positive;
    float real_negative;
    float imag_positive;
    float imag_negative;
    float real_positive_threshold;
    float real_negative_threshold;
    float imag_positive_threshold;
    float imag_negative_threshold;
    int real_positive_threshold_count;
    int real_negative_threshold_count;
    int imag_positive_threshold_count;
    int imag_negative_threshold_count;

    fft::fft_complex* p1_fft;
    int p1_fft_size;

    const static int p1_active_carriers[384];
    const static unsigned char s1_modulation_patterns[8][8];
    const static unsigned char s2_modulation_patterns[16][32];

public:
    dvbt2_p1insertion_cc_impl(dvbt2_extended_carrier_t carriermode,
                              dvbt2_fftsize_t fftsize,
                              dvb_guardinterval_t guardinterval,
                              int numdatasyms,
                              dvbt2_preamble_t preamble,
                              dvbt2_showlevels_t showlevels,
                              float vclip);
    ~dvbt2_p1insertion_cc_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_DVBT2_P1INSERTION_CC_IMPL_H */
