1 /* -*- c++ -*- */
2 /*
3  * Copyright 2012 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_INTERLEAVE_IMPL_H
24 #define INCLUDED_INTERLEAVE_IMPL_H
25 
26 #include <gnuradio/blocks/interleave.h>
27 
28 namespace gr {
29 namespace blocks {
30 
31 class BLOCKS_API interleave_impl : public interleave
32 {
33     size_t d_itemsize;
34     unsigned int d_blocksize;
35     unsigned int d_ninputs;
36 
37 public:
38     interleave_impl(size_t itemsize, unsigned int blocksize);
39 
40     bool check_topology(int ninputs, int noutputs);
41 
42     int fixed_rate_ninput_to_noutput(int ninput);
43 
44     int fixed_rate_noutput_to_ninput(int noutput);
45 
46     void forecast(int noutput_items, gr_vector_int& ninput_items_required);
47 
48     int general_work(int noutput_items,
49                      gr_vector_int& ninput_items,
50                      gr_vector_const_void_star& input_items,
51                      gr_vector_void_star& output_items);
52 
53     int work(int noutput_items,
54              gr_vector_const_void_star& input_items,
55              gr_vector_void_star& output_items);
56 };
57 
58 } /* namespace blocks */
59 } /* namespace gr */
60 
61 
62 #endif /* INCLUDED_INTERLEAVE_IMPL_H */
63