3 * Copyright 2007 Free Software Foundation, Inc.
5 * This file is part of GNU Radio
7 * GNU Radio is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 3, or (at your option)
12 * GNU Radio is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
17 * You should have received a copy of the GNU General Public License
18 * along with GNU Radio; see the file COPYING. If not, write to
19 * the Free Software Foundation, Inc., 51 Franklin Street,
20 * Boston, MA 02110-1301, USA.
28 #include <gr_io_signature.h>
32 gr_make_delay (size_t itemsize, int delay)
34 return gr_delay_sptr (new gr_delay (itemsize, delay));
37 gr_delay::gr_delay (size_t itemsize, int delay)
38 : gr_sync_block ("delay",
39 gr_make_io_signature (1, -1, itemsize),
40 gr_make_io_signature (1, -1, itemsize)),
47 gr_delay::work (int noutput_items,
48 gr_vector_const_void_star &input_items,
49 gr_vector_void_star &output_items)
51 assert(input_items.size() == output_items.size());
56 for(size_t i = 0; i < input_items.size(); i++) {
57 iptr = (const char *) input_items[i];
58 optr = (char *) output_items[i];
60 memcpy(optr, iptr, noutput_items*d_itemsize);