text: /* -*- c++ -*- */
  /*
   * Copyright 2006,2010 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.
   */
  
  #ifdef HAVE_CONFIG_H
  #include <config.h>
  #endif
  
  #include <gnuradio/atsc/ds_to_softds.h>
  #include <gnuradio/io_signature.h>
  #include <gnuradio/atsc/consts.h>
  
  
  atsc_ds_to_softds_sptr
  atsc_make_ds_to_softds()
  {
    return gnuradio::get_initial_sptr(new atsc_ds_to_softds());
  }
  
  atsc_ds_to_softds::atsc_ds_to_softds()
    : gr::sync_block("atsc_ds_to_softds",
  		  gr::io_signature::make(1, 1, sizeof(atsc_data_segment)),
  		  gr::io_signature::make(1, 1, sizeof(atsc_soft_data_segment)))
  {
    reset();
  }
  
  #define NELEM(x) (sizeof (x) / sizeof (x[0]))
  
  void
  atsc_ds_to_softds::map_to_soft_symbols (atsc_soft_data_segment &out,
                       const atsc_data_segment &in)
  {
    for (unsigned int i = 0; i < NELEM (in.data); i++){
      out.data[i] = in.data[i] * 2 - 7;
    }
  }
  
  
  int
  atsc_ds_to_softds::work (int noutput_items,
  		       gr_vector_const_void_star &input_items,
  		       gr_vector_void_star &output_items)
  {
    const atsc_data_segment *in = (const atsc_data_segment *) input_items[0];
    atsc_soft_data_segment *out = (atsc_soft_data_segment *) output_items[0];
  
    for (int i = 0; i < noutput_items; i++){
  
      out[i].pli = in[i].pli;			// copy pipeline info...
      map_to_soft_symbols(out[i], in[i]);
    }
  
    return noutput_items;
  }
  