1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
|
/* -*- c++ -*- */
/*
* Copyright 2012 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 "vector_to_streams_impl.h"
#include <gr_io_signature.h>
namespace gr {
namespace blocks {
vector_to_streams::sptr vector_to_streams::make(size_t itemsize, size_t nstreams)
{
return gnuradio::get_initial_sptr(new vector_to_streams_impl(itemsize, nstreams));
}
vector_to_streams_impl::vector_to_streams_impl(size_t itemsize, size_t nstreams)
: gr_sync_block ("vector_to_streams",
gr_make_io_signature (1, 1, nstreams * itemsize),
gr_make_io_signature (nstreams, nstreams, itemsize))
{
}
int
vector_to_streams_impl::work(int noutput_items,
gr_vector_const_void_star &input_items,
gr_vector_void_star &output_items)
{
size_t itemsize = output_signature()->sizeof_stream_item(0);
int nstreams = output_items.size();
const char *in = (const char *) input_items[0];
char **outv = (char **) &output_items[0];
for (int i = 0; i < noutput_items; i++){
for (int j = 0; j < nstreams; j++){
memcpy(outv[j], in, itemsize);
outv[j] += itemsize;
in += itemsize;
}
}
return noutput_items;
}
} /* namespace blocks */
} /* namespace gr */
|
