blob: 6d3f8bb0ae806b6ff53d2dc480130cea509f2f86 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
|
/* -*- c++ -*- */
/*
* Copyright 2005-2011,2013 Free Software Foundation, Inc.
*
* This file is part of GNU Radio
*
* SPDX-License-Identifier: GPL-3.0-or-later
*
*/
#ifndef INCLUDED_GR_THROTTLE_H
#define INCLUDED_GR_THROTTLE_H
#include <gnuradio/blocks/api.h>
#include <gnuradio/sync_block.h>
namespace gr {
namespace blocks {
/*!
* \brief throttle flow of samples such that the average rate does
* not exceed samples_per_sec.
* \ingroup misc_blk
*
* \details
* input: one stream of itemsize; output: one stream of itemsize
*
* N.B. this should only be used in GUI apps where there is no
* other rate limiting block. It is not intended nor effective at
* precisely controlling the rate of samples. That should be
* controlled by a source or sink tied to sample clock. E.g., a
* USRP or audio card.
*/
class BLOCKS_API throttle : virtual public sync_block
{
public:
typedef boost::shared_ptr<throttle> sptr;
static sptr make(size_t itemsize, double samples_per_sec, bool ignore_tags = true);
//! Sets the sample rate in samples per second.
virtual void set_sample_rate(double rate) = 0;
//! Get the sample rate in samples per second.
virtual double sample_rate() const = 0;
};
} /* namespace blocks */
} /* namespace gr */
#endif /* INCLUDED_GR_THROTTLE_H */
|
