/* -*- c++ -*- */

/*

 * Copyright 2005,2012 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_FFT_FILTER_FFF_IMPL_H

#define INCLUDED_FILTER_FFT_FILTER_FFF_IMPL_H

#include <filter/api.h>

#include <filter/fft_filter.h>

#include <filter/fft_filter_fff.h>

namespace gr {

  namespace filter {

    class FILTER_API fft_filter_fff_impl : public fft_filter_fff

    {

    private:

      int d_nsamples;

      bool d_updated;

      kernel::fft_filter_fff *d_filter;

      std::vector<float> d_new_taps;

    public:

      fft_filter_fff_impl(int decimation,

                          const std::vector<float> &taps,

                          int nthreads=1);

      ~fft_filter_fff_impl();

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

      std::vector<float> taps() const;

      void set_nthreads(int n);

      int nthreads() const;

      int work(int noutput_items,

               gr_vector_const_void_star &input_items,

               gr_vector_void_star &output_items);

    };

  } /* namespace filter */

} /* namespace gr */

#endif /* INCLUDED_FILTER_FFT_FILTER_FFF_IMPL_H */