GNU Radio's DAB Package
unpuncture_ff_impl.h
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1 /* -*- c++ -*- */
2 /*
3  * Copyright 2017 Moritz Luca Schmid, Communications Engineering Lab (CEL) / Karlsruhe Institute of Technology (KIT).
4  *
5  * This is free software; you can redistribute it and/or modify
6  * it under the terms of the GNU General Public License as published by
7  * the Free Software Foundation; either version 3, or (at your option)
8  * any later version.
9  *
10  * This software is distributed in the hope that it will be useful,
11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13  * GNU General Public License for more details.
14  *
15  * You should have received a copy of the GNU General Public License
16  * along with this software; see the file COPYING. If not, write to
17  * the Free Software Foundation, Inc., 51 Franklin Street,
18  * Boston, MA 02110-1301, USA.
19  */
20 
21 #ifndef INCLUDED_DAB_UNPUNCTURE_FF_IMPL_H
22 #define INCLUDED_DAB_UNPUNCTURE_FF_IMPL_H
23 
24 #include <grdab/unpuncture_ff.h>
25 
26 namespace gr {
27  namespace dab {
28 /*! \brief unpuncturing of a stream sequence
29  *
30  * unpuncturing of a stream sequence according to the puncturing_vector (writing a stream element at a '1' and writing the fillval at a '0')
31  *
32  * @param puncturing_vector vector with puncturing sequence, length of puncturing_vector is length of a stream sequence
33  * @param fillval value to fill in for a zero of the puncturing vector
34  *
35  */
37  private:
38  unsigned int ones(const std::vector<unsigned char> &puncturing_vector);
39 
40  std::vector<unsigned char> d_puncturing_vector;
41  float d_fillval;
42  unsigned int d_vlen_in;
43  unsigned int d_vlen_out;
44 
45  public:
46  unpuncture_ff_impl(const std::vector<unsigned char> &puncturing_vector, float fillval);
47 
49 
50  // Where all the action really happens
51  void forecast(int noutput_items, gr_vector_int &ninput_items_required);
52 
53  int general_work(int noutput_items,
54  gr_vector_int &ninput_items,
55  gr_vector_const_void_star &input_items,
56  gr_vector_void_star &output_items);
57  };
58 
59  } // namespace dab
60 } // namespace gr
61 
62 #endif /* INCLUDED_DAB_UNPUNCTURE_FF_IMPL_H */
63 
void forecast(int noutput_items, gr_vector_int &ninput_items_required)
int general_work(int noutput_items, gr_vector_int &ninput_items, gr_vector_const_void_star &input_items, gr_vector_void_star &output_items)
Definition: unpuncture_ff.h:35
Definition: complex_to_interleaved_float_vcf.h:28
unpuncturing of a stream sequence
Definition: unpuncture_ff_impl.h:36
unpuncture_ff_impl(const std::vector< unsigned char > &puncturing_vector, float fillval)