GNU Radio C++ API Reference: catv_randomizer_bb.h Source File

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catv_randomizer_bb.h
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1/* -*- c++ -*- */
2/*
3 * Copyright 2016,2017 Free Software Foundation, Inc.
4 *
5 * SPDX-License-Identifier: GPL-3.0-or-later
6 *
7 */
8
9#ifndef INCLUDED_DTV_CATV_RANDOMIZER_BB_H
10#define INCLUDED_DTV_CATV_RANDOMIZER_BB_H
11
12#include <gnuradio/dtv/api.h>
13#include <gnuradio/dtv/catv_config.h>
14#include <gnuradio/sync_block.h>
15
16namespace gr {
17namespace dtv {
18
19/*!
20 * \brief Randomizer, x^3 + x + alpha^3, 7-bit symbols.
21 * \ingroup dtv
22 *
23 * Input: Interleaved MPEG-2 + RS parity bitstream packets of 128 7-bit symbols.\n
24 * Output: Scrambled FEC Frame packets of 60 * 128 (64QAM) or 88 * 128 (256QAM) 7-bit
25 * symbols.
26 */
27 class DTV_API catv_randomizer_bb : virtual public gr::sync_block
28{
29public:
30 typedef std::shared_ptr<catv_randomizer_bb> sptr;
31
32 /*!
33 * \brief Create an ITU-T J.83B randomizer.
34 *
35 * \param constellation 64QAM or 256QAM constellation.
36 */
37 static sptr make(catv_constellation_t constellation);
38};
39
40} // namespace dtv
41} // namespace gr
42
43#endif /* INCLUDED_DTV_CATV_RANDOMIZER_BB_H */
catv_config.h
gr::dtv::catv_randomizer_bb
Randomizer, x^3 + x + alpha^3, 7-bit symbols.
Definition catv_randomizer_bb.h:28
gr::dtv::catv_randomizer_bb::make
static sptr make(catv_constellation_t constellation)
Create an ITU-T J.83B randomizer.
gr::dtv::catv_randomizer_bb::sptr
std::shared_ptr< catv_randomizer_bb > sptr
Definition catv_randomizer_bb.h:30
gr::sync_block
synchronous 1:1 input to output with history
Definition sync_block.h:26
api.h
DTV_API
#define DTV_API
Definition gr-dtv/include/gnuradio/dtv/api.h:18
gr::dtv
Definition atsc_consts.h:17
gr::dtv::catv_constellation_t
catv_constellation_t
Definition catv_config.h:14
gr
GNU Radio logging wrapper.
Definition basic_block.h:29
sync_block.h