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/* -*- c++ -*- */
/*
* Copyright 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.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "interleaved_short_to_complex_impl.h"
#include "interleaved_short_array_to_complex.h"
#include <gnuradio/io_signature.h>
namespace gr {
namespace blocks {
interleaved_short_to_complex::sptr interleaved_short_to_complex::make(bool vector_input, bool swap)
{
return gnuradio::get_initial_sptr(new interleaved_short_to_complex_impl(vector_input, swap));
}
interleaved_short_to_complex_impl::interleaved_short_to_complex_impl(bool vector_input, bool swap)
: sync_decimator("interleaved_short_to_complex",
gr::io_signature::make (1, 1, (vector_input?2:1)*sizeof(short)),
gr::io_signature::make (1, 1, sizeof(gr_complex)),
vector_input?1:2),
d_vector_input(vector_input), d_swap(swap)
{
}
void interleaved_short_to_complex_impl::set_swap(bool swap)
{
d_swap = swap;
}
int
interleaved_short_to_complex_impl::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];
gr_complex *out = (gr_complex *) output_items[0];
interleaved_short_array_to_complex (in, out, 2 * noutput_items);
if (d_swap) {
float* p = (float*)output_items[0];
for (int i = 0; i < noutput_items; ++i) {
float f = p[2*i+1];
p[2*i+1] = p[2*i+0];
p[2*i+0] = f;
}
}
return noutput_items;
}
} /* namespace blocks */
}/* namespace gr */
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