3 * Copyright 2004 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.
27 #include <gr_interleave.h>
28 #include <gr_io_signature.h>
33 gr_make_interleave (size_t itemsize)
35 return gr_interleave_sptr (new gr_interleave (itemsize));
38 gr_interleave::gr_interleave (size_t itemsize)
39 : gr_sync_interpolator ("interleave",
40 gr_make_io_signature (1, gr_io_signature::IO_INFINITE, itemsize),
41 gr_make_io_signature (1, 1, itemsize),
47 gr_interleave::~gr_interleave ()
53 gr_interleave::check_topology (int ninputs, int noutputs)
55 set_interpolation (ninputs);
60 gr_interleave::work (int noutput_items,
61 gr_vector_const_void_star &input_items,
62 gr_vector_void_star &output_items)
64 size_t nchan = input_items.size ();
65 size_t itemsize = d_itemsize;
66 const char **in = (const char **) &input_items[0];
67 char *out = (char *) output_items[0];
69 for (int i = 0; i < noutput_items; i += nchan){
70 for (unsigned int n = 0; n < nchan; n++){
71 memcpy (out, in[n], itemsize);