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
69
70
71
|
/* -*- c++ -*- */
/*
* Copyright 2006,2009 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_copy.h>
#include <gr_io_signature.h>
#include <string.h>
gr_copy_sptr
gr_make_copy(size_t itemsize)
{
return gnuradio::get_initial_sptr(new gr_copy(itemsize));
}
gr_copy::gr_copy(size_t itemsize)
: gr_block ("copy",
gr_make_io_signature (1, 1, itemsize),
gr_make_io_signature (1, 1, itemsize)),
d_itemsize(itemsize),
d_enabled(true)
{
}
bool
gr_copy::check_topology(int ninputs, int noutputs)
{
return ninputs == noutputs;
}
int
gr_copy::general_work(int noutput_items,
gr_vector_int &ninput_items,
gr_vector_const_void_star &input_items,
gr_vector_void_star &output_items)
{
const uint8_t *in = (const uint8_t *) input_items[0];
uint8_t *out = (uint8_t *) output_items[0];
int n = std::min<int>(ninput_items[0], noutput_items);
int j = 0;
if (d_enabled) {
memcpy(out, in, n*d_itemsize);
j = n;
}
consume_each(n);
return j;
}
|
