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/* -*- c++ -*- */
/*
* Copyright 2011,2013 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 "alaw_decode_bs_impl.h"
#include <gr_io_signature.h>
#include <limits.h>
namespace gr {
namespace vocoder {
extern "C" {
#include "g7xx/g72x.h"
}
alaw_decode_bs::sptr
alaw_decode_bs::make()
{
return gnuradio::get_initial_sptr
(new alaw_decode_bs_impl());
}
alaw_decode_bs_impl::alaw_decode_bs_impl()
: gr_sync_block("vocoder_alaw_decode_bs",
gr_make_io_signature(1, 1, sizeof(unsigned char)),
gr_make_io_signature(1, 1, sizeof(short)))
{
}
alaw_decode_bs_impl::~alaw_decode_bs_impl()
{
}
int
alaw_decode_bs_impl::work(int noutput_items,
gr_vector_const_void_star &input_items,
gr_vector_void_star &output_items)
{
const unsigned char *in = (const unsigned char*)input_items[0];
short *out = (short*)output_items[0];
for(int i = 0; i < noutput_items; i++) {
out[i] = alaw2linear(in[i]);
}
return noutput_items;
}
} /* namespace vocoder */
} /* namespace gr */
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