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
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
|
/* -*- c++ -*- */
/*
* Copyright 2006,2009,2013 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 "copy_impl.h"
#include <gr_io_signature.h>
#include <string.h>
namespace gr {
namespace blocks {
copy::sptr
copy::make(size_t itemsize)
{
return gnuradio::get_initial_sptr
(new copy_impl(itemsize));
}
copy_impl::copy_impl(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)
{
}
copy_impl::~copy_impl()
{
}
void
copy_impl::forecast(int noutput_items, gr_vector_int &ninput_items_required)
{
unsigned ninputs = ninput_items_required.size();
for (unsigned i = 0; i < ninputs; i++)
ninput_items_required[i] = noutput_items;
}
bool
copy_impl::check_topology(int ninputs, int noutputs)
{
return ninputs == noutputs;
}
int
copy_impl::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 = 0;
if(d_enabled) {
int ninputs = input_items.size();
for(int i = 0; i < ninputs; i++) {
memcpy(out[i], in[i], noutput_items*d_itemsize);
}
n = noutput_items;
}
consume_each(noutput_items);
return n;
}
} /* namespace blocks */
} /* namespace gr */
|
