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
|
/* -*- c++ -*- */
/*
* Copyright 2006,2008,2010 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 <atsc_depad.h>
#include <gr_io_signature.h>
#include <atsc_types.h>
atsc_depad_sptr
atsc_make_depad()
{
return gnuradio::get_initial_sptr(new atsc_depad());
}
atsc_depad::atsc_depad()
: gr_sync_interpolator("atsc_depad",
gr_make_io_signature(1, 1, sizeof(atsc_mpeg_packet)),
gr_make_io_signature(1, 1, sizeof(unsigned char)),
ATSC_MPEG_PKT_LENGTH)
{
reset();
}
int
atsc_depad::work (int noutput_items,
gr_vector_const_void_star &input_items,
gr_vector_void_star &output_items)
{
const atsc_mpeg_packet *in = (const atsc_mpeg_packet *) input_items[0];
unsigned char *out = (unsigned char *) output_items[0];
int i;
for (i = 0; i < noutput_items/ATSC_MPEG_PKT_LENGTH; i++){
memcpy(&out[i * ATSC_MPEG_PKT_LENGTH], in[i].data, ATSC_MPEG_PKT_LENGTH);
}
return i * ATSC_MPEG_PKT_LENGTH;
}
|