GNU Radio Manual and C++ API Reference 3.7.14.0
The Free & Open Software Radio Ecosystem
randomizer.h
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1/* -*- c++ -*- */
2/*
3 * Copyright 2006 Free Software Foundation, Inc.
4 *
5 * This file is part of GNU Radio
6 *
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)
10 * any later version.
11 *
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.
16 *
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.
21 */
22
23#ifndef INCLUDED_ATSC_RANDOMIZER_H
24#define INCLUDED_ATSC_RANDOMIZER_H
25
26#include <gnuradio/atsc/api.h>
28#include <gnuradio/sync_block.h>
29
30class atsc_randomizer;
31typedef boost::shared_ptr<atsc_randomizer> atsc_randomizer_sptr;
32
33ATSC_API atsc_randomizer_sptr atsc_make_randomizer();
34
35/*!
36 * \brief "Whiten" incoming mpeg transport stream packets
37 * \ingroup atsc
38 *
39 * input: atsc_mpeg_packet; output: atsc_mpeg_packet_no_sync
40 */
42{
43 friend ATSC_API atsc_randomizer_sptr atsc_make_randomizer();
44
45 atsci_randomizer d_rand;
46 bool d_field2; // user to init plinfo in output
47 int d_segno; // likewise
48
50
51public:
52 int work(int noutput_items,
53 gr_vector_const_void_star& input_items,
54 gr_vector_void_star& output_items);
55
56 void reset();
57};
58
59
60#endif /* INCLUDED_ATSC_RANDOMIZER_H */
"Whiten" incoming mpeg transport stream packets
Definition: randomizer.h:42
friend ATSC_API atsc_randomizer_sptr atsc_make_randomizer()
int work(int noutput_items, gr_vector_const_void_star &input_items, gr_vector_void_star &output_items)
just like gr::block::general_work, only this arranges to call consume_each for you
ATSC data "whitener".
Definition: randomizer_impl.h:37
synchronous 1:1 input to output with history
Definition: sync_block.h:38
std::vector< const void * > gr_vector_const_void_star
Definition: gnuradio-runtime/include/gnuradio/types.h:40
std::vector< void * > gr_vector_void_star
Definition: gnuradio-runtime/include/gnuradio/types.h:39
#define ATSC_API
Definition: gr-atsc/include/gnuradio/atsc/api.h:30
ATSC_API atsc_randomizer_sptr atsc_make_randomizer()