GNU Radio's DAB Package
dab_concatenate_signals.h
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1 /* -*- c++ -*- */
2 /*
3  * Copyright 2008 Free Software Foundation, Inc.
4  *
5  * This file is part of GNU Radio
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7  * GNU Radio is free software; you can redistribute it and/or modify
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10  * any later version.
11  *
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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_DAB_CONCATENATE_SIGNALS_H
24 #define INCLUDED_DAB_CONCATENATE_SIGNALS_H
25 
26 #include <gr_block.h>
27 
29 typedef std::shared_ptr<dab_concatenate_signals> dab_concatenate_signals_sptr;
30 
31 dab_concatenate_signals_sptr dab_make_concatenate_signals (size_t itemsize);
32 
33 /*!
34  * \brief Concatenate all input signals in time
35  *
36  * \ingroup flow
37  * \param itemsize size of input and output items
38  *
39  * output: first input stream, as long as it has samples, then second input stream, etc...
40  *
41  * Note: Altough this block works with simple vectors, it seems that samples
42  * get lost when more complicated blocks are used.
43  */
44 class dab_concatenate_signals : public gr_block
45 {
46  private:
47  friend dab_concatenate_signals_sptr dab_make_concatenate_signals (size_t itemsize);
48 
49  dab_concatenate_signals (size_t itemsize);
50 
51  size_t d_itemsize;
52  unsigned int d_current_signal;
53  unsigned int d_callmetwice;
54 
55  public:
56 
57  void forecast (int noutput_items, gr_vector_int &ninput_items_required);
58  int general_work(int noutput_items,
59  gr_vector_int &ninput_items,
60  gr_vector_const_void_star &input_items,
61  gr_vector_void_star &output_items);
62  void reset() { d_current_signal=0; }
63 };
64 
65 #endif
Concatenate all input signals in time.
Definition: dab_concatenate_signals.h:45
int general_work(int noutput_items, gr_vector_int &ninput_items, gr_vector_const_void_star &input_items, gr_vector_void_star &output_items)
friend dab_concatenate_signals_sptr dab_make_concatenate_signals(size_t itemsize)
void reset()
Definition: dab_concatenate_signals.h:62
void forecast(int noutput_items, gr_vector_int &ninput_items_required)
dab_concatenate_signals_sptr dab_make_concatenate_signals(size_t itemsize)