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/* -*- c++ -*- */
/*
* Copyright 2008,2010 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 <gr_repeat.h>
#include <gr_io_signature.h>
#include <string.h>
gr_repeat_sptr
gr_make_repeat(size_t itemsize, int interp)
{
return gnuradio::get_initial_sptr(new gr_repeat(itemsize, interp));
}
gr_repeat::gr_repeat(size_t itemsize, int interp)
: gr_sync_interpolator("extend",
gr_make_io_signature(1, 1, itemsize),
gr_make_io_signature(1, 1, itemsize),
interp),
d_interp(interp),
d_itemsize(itemsize)
{
}
gr_repeat::~gr_repeat()
{
}
int
gr_repeat::work(int noutput_items,
gr_vector_const_void_star &input_items,
gr_vector_void_star &output_items)
{
const char *in = (const char *) input_items[0];
char *out = (char *)output_items[0];
for (int i = 0; i < noutput_items/d_interp; i++) {
for (int j = 0; j < d_interp; j++) {
memcpy(out, in, d_itemsize);
out += d_itemsize;
}
in += d_itemsize;
}
return noutput_items;
}
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