equalizer.h

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/* -*- c++ -*- */
/*
 * Copyright 2006 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_ATSC_EQUALIZER_H
#define INCLUDED_ATSC_EQUALIZER_H

#include <gnuradio/atsc/api.h>
#include <gnuradio/sync_block.h>
#include <gnuradio/atsc/equalizer_impl.h>
#include <vector>

class atsc_equalizer;
typedef boost::shared_ptr<atsc_equalizer> atsc_equalizer_sptr;

atsc_equalizer_sptr ATSC_API atsc_make_equalizer();

/*!
 * \brief ATSC equalizer (float,syminfo --> float,syminfo)
 * \ingroup atsc
 *
 * first inputs are data samples, second inputs are tags.
 * first outputs are equalized data samples, second outputs are tags.
 */
class ATSC_API atsc_equalizer : public gr::sync_block
{
  friend ATSC_API atsc_equalizer_sptr atsc_make_equalizer();

  atsc_equalizer();

public:
  void forecast (int noutput_items, gr_vector_int &ninput_items_required);

  std::vector<double> taps() {
    return d_equalizer->taps();
  }

  int work (int noutput_items,
            gr_vector_const_void_star &input_items,
            gr_vector_void_star &output_items);

  void reset() { /* nop */ }

  ~atsc_equalizer ();


protected:
  atsci_equalizer       *d_equalizer;

};


#endif /* INCLUDED_ATSC_EQUALIZER_H */