/* -*- c++ -*- */
/*
 * Copyright 2009,2010,2012 Free Software Foundation, Inc.
 *
 * This file is part of GNU Radio
 *
 * GNU Radio 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.
 *
 * GNU Radio 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 GNU Radio; see the file COPYING.  If not, write to
 * the Free Software Foundation, Inc., 51 Franklin Street,
 * Boston, MA 02110-1301, USA.
 */

#ifndef INCLUDED_FILTER_PFB_CHANNELIZER_CCF_IMPL_H
#define INCLUDED_FILTER_PFB_CHANNELIZER_CCF_IMPL_H

#include <gnuradio/fft/fft.h>
#include <gnuradio/filter/fir_filter.h>
#include <gnuradio/filter/pfb_channelizer_ccf.h>
#include <gnuradio/filter/polyphase_filterbank.h>
#include <gnuradio/thread/thread.h>

namespace gr {
namespace filter {

class FILTER_API pfb_channelizer_ccf_impl : public pfb_channelizer_ccf,
                                            kernel::polyphase_filterbank
{
private:
    bool d_updated;
    float d_oversample_rate;
    int* d_idxlut;
    int d_rate_ratio;
    int d_output_multiple;
    std::vector<int> d_channel_map;
    gr::thread::mutex d_mutex; // mutex to protect set/work access

public:
    pfb_channelizer_ccf_impl(unsigned int nfilts,
                             const std::vector<float>& taps,
                             float oversample_rate);

    ~pfb_channelizer_ccf_impl();

    void set_taps(const std::vector<float>& taps);
    void print_taps();
    std::vector<std::vector<float>> taps() const;

    void set_channel_map(const std::vector<int>& map);
    std::vector<int> channel_map() const;

    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 filter */
} /* namespace gr */

#endif
