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/* -*- c++ -*- */
/*
* Copyright 2007 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_delay.h>
#include <gr_io_signature.h>
#include <string.h>
gr_delay_sptr
gr_make_delay (size_t itemsize, int delay)
{
return gr_delay_sptr (new gr_delay (itemsize, delay));
}
gr_delay::gr_delay (size_t itemsize, int delay)
: gr_sync_block ("delay",
gr_make_io_signature (1, -1, itemsize),
gr_make_io_signature (1, -1, itemsize)),
d_itemsize(itemsize)
{
set_delay(delay);
}
int
gr_delay::work (int noutput_items,
gr_vector_const_void_star &input_items,
gr_vector_void_star &output_items)
{
assert(input_items.size() == output_items.size());
const char *iptr;
char *optr;
for(size_t i = 0; i < input_items.size(); i++) {
iptr = (const char *) input_items[i];
optr = (char *) output_items[i];
memcpy(optr, iptr, noutput_items*d_itemsize);
}
return noutput_items;
}
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