GNU Radio Manual and C++ API Reference 3.7.14.0
The Free & Open Software Radio Ecosystem
field_sync_mux.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_FIELD_SYNC_MUX_H
24#define INCLUDED_ATSC_FIELD_SYNC_MUX_H
25
26#include <gnuradio/atsc/api.h>
27#include <gnuradio/atsc/types.h>
28#include <gnuradio/sync_block.h>
29
31typedef boost::shared_ptr<atsc_field_sync_mux> atsc_field_sync_mux_sptr;
32
33ATSC_API atsc_field_sync_mux_sptr atsc_make_field_sync_mux();
34
35/*!
36 * \brief Insert ATSC Field Syncs as required (atsc_data_segment --> atsc_data_segment)
37 * \ingroup atsc
38 *
39 * input: atsc_data_segment; output: atsc_data_segment
40 */
42{
43 friend ATSC_API atsc_field_sync_mux_sptr atsc_make_field_sync_mux();
44
46
47public:
48 void forecast(int noutput_items, gr_vector_int& ninput_items_required);
49 int general_work(int noutput_items,
50 gr_vector_int& ninput_items,
51 gr_vector_const_void_star& input_items,
52 gr_vector_void_star& output_items);
53
54
55 static const int N_SAVED_SYMBOLS = 12;
56
57 void reset() { d_already_output_field_sync = false; }
58
59protected:
61 unsigned char d_saved_symbols[N_SAVED_SYMBOLS];
62};
63
64
65#endif /* INCLUDED_ATSC_FIELD_SYNC_MUX_H */
Insert ATSC Field Syncs as required (atsc_data_segment --> atsc_data_segment)
Definition: field_sync_mux.h:42
void forecast(int noutput_items, gr_vector_int &ninput_items_required)
Estimate input requirements given output request.
friend ATSC_API atsc_field_sync_mux_sptr atsc_make_field_sync_mux()
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
bool d_already_output_field_sync
Definition: field_sync_mux.h:60
void reset()
Definition: field_sync_mux.h:57
The abstract base class for all 'terminal' processing blocks.
Definition: block.h:66
ATSC_API atsc_field_sync_mux_sptr atsc_make_field_sync_mux()
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