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/* -*- c++ -*- */
/*
* Copyright 2004 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.
*/
/*
* config.h is generated by configure. It contains the results
* of probing for features, options etc. It should be the first
* file included in your .cc file.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <gnuradio/io_signature.h>
#include "unpuncture_vff_impl.h"
namespace gr {
namespace dab {
unpuncture_vff::sptr
unpuncture_vff::make(const std::vector<unsigned char> &puncturing_vector, float fillval)
{
return gnuradio::get_initial_sptr
(new unpuncture_vff_impl(puncturing_vector, fillval));
}
unsigned int unpuncture_vff_impl::ones (const std::vector<unsigned char> &puncturing_vector) {
unsigned int onescount = 0;
for (unsigned int i=0; i<puncturing_vector.size(); i++) {
if (puncturing_vector[i]==1)
onescount++;
}
return onescount;
}
unpuncture_vff_impl::unpuncture_vff_impl(const std::vector<unsigned char> &puncturing_vector, float fillval)
: gr::sync_block("unpuncture_vff",
gr::io_signature::make (1, 1, sizeof(float)*ones(puncturing_vector)),
gr::io_signature::make (1, 1, sizeof(float)*puncturing_vector.size())),
d_puncturing_vector(puncturing_vector), d_fillval(fillval)
{
d_vlen_in = ones(puncturing_vector);
d_vlen_out = puncturing_vector.size();
}
int
unpuncture_vff_impl::work(int noutput_items,
gr_vector_const_void_star &input_items,
gr_vector_void_star &output_items)
{
int i;
unsigned int j;
const float *in = (const float *) input_items[0];
float *out = (float *) output_items[0];
for (i=0; i<noutput_items; i++) {
for (j=0;j<d_vlen_out;j++) {
if (d_puncturing_vector[j]==1)
*out++ = *in++;
else
*out++ = d_fillval;
}
}
return noutput_items;
}
}
}
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