GNU Radio's DAB Package
dab_puncture_vbb.h
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1/* -*- c++ -*- */
2/*
3 * Copyright 2004 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_DAB_PUNCTURE_VBB_H
24#define INCLUDED_DAB_PUNCTURE_VBB_H
25
26#include <gr_sync_block.h>
27
29
30typedef std::shared_ptr <dab_puncture_vbb> dab_puncture_vbb_sptr;
31
32dab_puncture_vbb_sptr
33dab_make_puncture_vbb(const std::vector<unsigned char> &puncturing_vector);
34
35/*!
36 * \brief Puncturing - remove bits, where the puncturing sequence is zero
37 * \ingroup DAB
38 * \param puncturing_vector describes, which bits are removed (1=keep, 0=remove)
39 *
40 * input: byte vector whose length equals the length of the puncturing vector
41 * output: byte vector whose length equeals the number of ones in the puncturing vector
42 */
43class dab_puncture_vbb : public gr_sync_block {
44private:
45 friend dab_puncture_vbb_sptr
46 dab_make_puncture_vbb(const std::vector<unsigned char> &puncturing_vector);
47
48 unsigned int ones(const std::vector<unsigned char> &puncturing_vector);
49
50 dab_puncture_vbb(const std::vector<unsigned char> &puncturing_vector); // private constructor
51
52 std::vector<unsigned char> d_puncturing_vector;
53 unsigned int d_vlen_in;
54 unsigned int d_vlen_out;
55
56public:
57 int work(int noutput_items,
58 gr_vector_const_void_star &input_items,
59 gr_vector_void_star &output_items);
60};
61
62#endif /* INCLUDED_DAB_PUNCTURE_VBB_H */
Puncturing - remove bits, where the puncturing sequence is zero.
Definition dab_puncture_vbb.h:43
int work(int noutput_items, gr_vector_const_void_star &input_items, gr_vector_void_star &output_items)
friend dab_puncture_vbb_sptr dab_make_puncture_vbb(const std::vector< unsigned char > &puncturing_vector)
dab_puncture_vbb_sptr dab_make_puncture_vbb(const std::vector< unsigned char > &puncturing_vector)