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_TAGGED_STREAM_MUX_IMPL_H
24 #define INCLUDED_TAGGED_STREAM_MUX_IMPL_H
25 
26 #include <gnuradio/blocks/tagged_stream_mux.h>
27 #include <vector>
28 
29 namespace gr {
30 namespace blocks {
31 
32 class tagged_stream_mux_impl : public tagged_stream_mux
33 {
34 private:
35     size_t d_itemsize;
36     unsigned int d_tag_preserve_head_pos;
37 
38 protected:
39     int calculate_output_stream_length(const gr_vector_int& ninput_items);
40 
41 public:
42     tagged_stream_mux_impl(size_t itemsize,
43                            const std::string& lengthtagname,
44                            unsigned int d_tag_preserve_head_pos);
45     ~tagged_stream_mux_impl();
46 
47     int work(int noutput_items,
48              gr_vector_int& ninput_items,
49              gr_vector_const_void_star& input_items,
50              gr_vector_void_star& output_items);
51 };
52 
53 } // namespace blocks
54 } // namespace gr
55 
56 #endif
57