1 /* -*- c++ -*- */
2 /*
3  * Copyright 2004,2013,2018 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 
24 #ifndef MUTE_H
25 #define MUTE_H
26 
27 #include <gnuradio/blocks/api.h>
28 #include <gnuradio/sync_block.h>
29 #include <cstdint>
30 
31 namespace gr {
32 namespace blocks {
33 
34 /*!
35  * \brief output = input or zero if muted.
36  * \ingroup level_controllers_blk
37  */
38 template <class T>
39 class BLOCKS_API mute_blk : virtual public sync_block
40 {
41 public:
42     typedef boost::shared_ptr<mute_blk<T>> sptr;
43 
44     static sptr make(bool mute = false);
45 
46     virtual bool mute() const = 0;
47     virtual void set_mute(bool mute = false) = 0;
48 };
49 
50 typedef mute_blk<std::int16_t> mute_ss;
51 typedef mute_blk<std::int32_t> mute_ii;
52 typedef mute_blk<float> mute_ff;
53 typedef mute_blk<gr_complex> mute_cc;
54 } /* namespace blocks */
55 } /* namespace gr */
56 
57 #endif /* MUTE_H */
58