GNU Radio Manual and C++ API Reference 3.7.14.0
The Free & Open Software Radio Ecosystem
equalizer.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_EQUALIZER_H
24#define INCLUDED_ATSC_EQUALIZER_H
25
26#include <gnuradio/atsc/api.h>
28#include <gnuradio/sync_block.h>
29#include <vector>
30
31class atsc_equalizer;
32typedef boost::shared_ptr<atsc_equalizer> atsc_equalizer_sptr;
33
34atsc_equalizer_sptr ATSC_API atsc_make_equalizer();
35
36/*!
37 * \brief ATSC equalizer (float,syminfo --> float,syminfo)
38 * \ingroup atsc
39 *
40 * first inputs are data samples, second inputs are tags.
41 * first outputs are equalized data samples, second outputs are tags.
42 */
44{
45 friend ATSC_API atsc_equalizer_sptr atsc_make_equalizer();
46
48
49public:
50 void forecast(int noutput_items, gr_vector_int& ninput_items_required);
51
52 std::vector<double> taps() { return d_equalizer->taps(); }
53
54 int work(int noutput_items,
55 gr_vector_const_void_star& input_items,
56 gr_vector_void_star& output_items);
57
58 void reset()
59 { /* nop */
60 }
61
63
64
65protected:
67};
68
69
70#endif /* INCLUDED_ATSC_EQUALIZER_H */
ATSC equalizer (float,syminfo --> float,syminfo)
Definition: equalizer.h:44
std::vector< double > taps()
Definition: equalizer.h:52
void forecast(int noutput_items, gr_vector_int &ninput_items_required)
Estimate input requirements given output request.
friend ATSC_API atsc_equalizer_sptr atsc_make_equalizer()
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
void reset()
Definition: equalizer.h:58
atsci_equalizer * d_equalizer
Definition: equalizer.h:66
abstract base class for ATSC equalizer
Definition: equalizer_impl.h:34
synchronous 1:1 input to output with history
Definition: sync_block.h:38
atsc_equalizer_sptr ATSC_API atsc_make_equalizer()
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