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

/*

 * Copyright 2011 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 <vocoder_ulaw_encode_sb.h>

#include <gr_io_signature.h>

#include <limits.h>

extern "C" {

#include "g7xx/g72x.h"

}

vocoder_ulaw_encode_sb_sptr vocoder_make_ulaw_encode_sb()

{

  return gnuradio::get_initial_sptr(new vocoder_ulaw_encode_sb());

}

vocoder_ulaw_encode_sb::vocoder_ulaw_encode_sb()

  : gr_sync_block("vocoder_ulaw_encode_sb",

                  gr_make_io_signature (1, 1, sizeof(short)),

                  gr_make_io_signature (1, 1, sizeof(unsigned char)))

{

}

vocoder_ulaw_encode_sb::~vocoder_ulaw_encode_sb()

{

}

int 

vocoder_ulaw_encode_sb::work(int noutput_items,

                             gr_vector_const_void_star &input_items,

                             gr_vector_void_star &output_items)

{

  const short *in = (const short *)input_items[0];

  unsigned char *out = (unsigned char *)output_items[0];

  for(int i = 0; i < noutput_items; i++)

    out[i] = linear2ulaw(in[i]);

  return noutput_items;

}