GNU Radio Manual and C++ API Reference  3.7.9.2
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dummy_decoder.h
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1 /* -*- c++ -*- */
2 /*
3  * Copyright 2014 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,
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21  */
22 
23 #ifndef INCLUDED_FEC_DUMMY_DECODER_H
24 #define INCLUDED_FEC_DUMMY_DECODER_H
25 
26 #include <gnuradio/fec/api.h>
28 #include <map>
29 #include <string>
30 
31 namespace gr {
32  namespace fec {
33  namespace code {
34 
35  /*!
36  * \brief Dummy Decoding class.
37  * \ingroup error_coding_blk
38  *
39  * \details
40  * A dummy decoder class that simply passes the input to the
41  * output. It is meant to allow us to easily use the FEC API
42  * encoder and decoder blocks in an application with no coding.
43  */
44  class FEC_API dummy_decoder : virtual public generic_decoder
45  {
46  public:
47 
48  /*!
49  * Build a dummy decoding FEC API object.
50  *
51  * \param frame_size Number of bits per frame. If using in the
52  * tagged stream style, this is the maximum allowable
53  * number of bits per frame.
54  */
55  static generic_decoder::sptr make(int frame_size);
56 
57  /*!
58  * Sets the uncoded frame size to \p frame_size. If \p
59  * frame_size is greater than the value given to the
60  * constructor, the frame size will be capped by that initial
61  * value and this function will return false. Otherwise, it
62  * returns true.
63  */
64  virtual bool set_frame_size(unsigned int frame_size) = 0;
65 
66  /*!
67  * Returns the coding rate of this encoder (it will always be 1).
68  */
69  virtual double rate() = 0;
70 
71  };
72 
73  } /* namespace code */
74  } /* namespace fec */
75 } /* namespace gr */
76 
77 #endif /* INCLUDED_FEC_DUMMY_DECODER_H */
Parent class for FECAPI objects.
Definition: generic_decoder.h:60
Dummy Decoding class.
Definition: dummy_decoder.h:44
Include this header to use the message passing features.
Definition: logger.h:131
#define FEC_API
Definition: gr-fec/include/gnuradio/fec/api.h:30
boost::shared_ptr< generic_decoder > sptr
Definition: generic_decoder.h:75