GNU Radio Manual and C++ API Reference 3.7.14.0
The Free & Open Software Radio Ecosystem
field_sync_demux.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#ifndef INCLUDED_ATSC_FIELD_SYNC_DEMUX_H
23#define INCLUDED_ATSC_FIELD_SYNC_DEMUX_H
24
25#include <gnuradio/atsc/api.h>
26#include <gnuradio/atsc/types.h>
27#include <gnuradio/block.h>
28
30typedef boost::shared_ptr<atsc_field_sync_demux> atsc_field_sync_demux_sptr;
31
32ATSC_API atsc_field_sync_demux_sptr atsc_make_field_sync_demux();
33
34/*!
35 * \brief ATSC Field Sync Demux
36 *
37 * This class accepts 1 stream of floats (data), and 1 stream of tags (syminfo). * It
38 * outputs one stream of atsc_soft_data_segment packets \ingroup atsc
39 *
40 */
42{
43 friend ATSC_API atsc_field_sync_demux_sptr atsc_make_field_sync_demux();
44
46
47public:
48 void forecast(int noutput_items, gr_vector_int& ninput_items_required);
49
50 int general_work(int noutput_items,
51 gr_vector_int& ninput_items,
52 gr_vector_const_void_star& input_items,
53 gr_vector_void_star& output_items);
54
55
56 int work(int noutput_items,
57 gr_vector_const_void_star& input_items,
58 gr_vector_void_star& output_items);
59
60 void reset()
61 { /* nop */
62 }
63
64protected:
68 uint64_t d_next_input;
69 uint64_t d_lost_index; // diagnostic fluff
70
71 unsigned long long d_inputs0_index; // for inputs[0].index
72 unsigned long d_inputs0_size; // for inputs[0].size
74};
75
76
77#endif /* INCLUDED_ATSC_FIELD_SYNC_DEMUX_H */
ATSC Field Sync Demux.
Definition: field_sync_demux.h:42
unsigned long long d_inputs0_index
Definition: field_sync_demux.h:71
void forecast(int noutput_items, gr_vector_int &ninput_items_required)
Estimate input requirements given output request.
void reset()
Definition: field_sync_demux.h:60
int d_segment_number
Definition: field_sync_demux.h:67
uint64_t d_next_input
Definition: field_sync_demux.h:68
int d_consume
Definition: field_sync_demux.h:73
int general_work(int noutput_items, gr_vector_int &ninput_items, gr_vector_const_void_star &input_items, gr_vector_void_star &output_items)
compute output items from input items
int work(int noutput_items, gr_vector_const_void_star &input_items, gr_vector_void_star &output_items)
uint64_t d_lost_index
Definition: field_sync_demux.h:69
bool d_in_field2
Definition: field_sync_demux.h:66
friend ATSC_API atsc_field_sync_demux_sptr atsc_make_field_sync_demux()
bool d_locked
Definition: field_sync_demux.h:65
unsigned long d_inputs0_size
Definition: field_sync_demux.h:72
The abstract base class for all 'terminal' processing blocks.
Definition: block.h:66
ATSC_API atsc_field_sync_demux_sptr atsc_make_field_sync_demux()
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
std::vector< int > gr_vector_int
Definition: gnuradio-runtime/include/gnuradio/types.h:35
#define ATSC_API
Definition: gr-atsc/include/gnuradio/atsc/api.h:30