GNU Radio Manual and C++ API Reference 3.7.14.0
The Free & Open Software Radio Ecosystem
tpc_encoder.h
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1/* -*- c++ -*- */
2/*
3 * Copyright 2015 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_TPC_ENCODER_H
24#define INCLUDED_TPC_ENCODER_H
25
28#include <map>
29#include <string>
30#include <vector>
31
32
33namespace gr {
34namespace fec {
35
37{
38
39 // private constructor
40 tpc_encoder(std::vector<int> row_polys,
41 std::vector<int> col_polys,
42 int krow,
43 int kcol,
44 int bval,
45 int qval);
46
47 // plug into the generic fec api
48 void generic_work(void* inBuffer, void* outbuffer);
49 int get_output_size();
50 int get_input_size();
51
52 std::vector<int> d_rowpolys;
53 std::vector<int> d_colpolys;
54
55 unsigned int d_krow;
56 unsigned int d_kcol;
57
58 unsigned int d_bval;
59 unsigned int d_qval;
60
61 // store the state transitions & outputs
62 int rowNumStates;
63 std::vector<std::vector<int> > rowOutputs;
64 std::vector<std::vector<int> > rowNextStates;
65 int colNumStates;
66 std::vector<std::vector<int> > colOutputs;
67 std::vector<std::vector<int> > colNextStates;
68
69 std::vector<int> rowTail;
70 std::vector<int> colTail;
71
72 int rowEncoder_K;
73 size_t rowEncoder_n;
74 int rowEncoder_m;
75 int colEncoder_K;
76 size_t colEncoder_n;
77 int colEncoder_m;
78 int outputSize;
79 int inputSize;
80
81 // memory allocated for processing
82 int inputSizeWithPad;
83 std::vector<unsigned char> inputWithPad;
84
85 std::vector<std::vector<uint8_t> > rowEncodedBits;
86 std::vector<unsigned char> rowToEncode;
87 size_t numRowsToEncode;
88 std::vector<uint8_t> rowEncoded_block;
89
90 std::vector<std::vector<uint8_t> > colEncodedBits;
91 std::vector<unsigned char> colToEncode;
92 int numColsToEncode;
93 std::vector<uint8_t> colEncoded_block;
94
95 void block_conv_encode(std::vector<uint8_t>& output,
96 std::vector<uint8_t> input,
97 std::vector<std::vector<int> > transOutputVec,
98 std::vector<std::vector<int> > transNextStateVec,
99 std::vector<int> tail,
100 size_t KK,
101 size_t nn);
102
103 FILE* fp;
104
105public:
107 static generic_encoder::sptr make(std::vector<int> row_poly,
108 std::vector<int> col_poly,
109 int krow,
110 int kcol,
111 int bval,
112 int qval);
113 double rate() { return (1.0 * get_input_size() / get_output_size()); }
114 bool set_frame_size(unsigned int) { return false; }
115};
116
117
118} // namespace fec
119} // namespace gr
120
121#endif /* INCLUDED_TPC_ENCODER_H */
Definition: generic_encoder.h:35
boost::shared_ptr< generic_encoder > sptr
Definition: generic_encoder.h:49
Definition: tpc_encoder.h:37
bool set_frame_size(unsigned int)
Definition: tpc_encoder.h:114
static generic_encoder::sptr make(std::vector< int > row_poly, std::vector< int > col_poly, int krow, int kcol, int bval, int qval)
double rate()
Definition: tpc_encoder.h:113
#define FEC_API
Definition: gr-fec/include/gnuradio/fec/api.h:30
Include this header to use the message passing features.
Definition: basic_block.h:45