GNU Radio C++ API Reference g90d26cb
The Free & Open Software Radio Ecosystem
 
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tagged_stream_multiply_length.h
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1/* -*- c++ -*- */
2/* Copyright 2013 Free Software Foundation, Inc.
3 *
4 * This file is part of GNU Radio
5 *
6 * SPDX-License-Identifier: GPL-3.0-or-later
7 *
8 */
9
10#ifndef INCLUDED_TAGGED_STREAM_MULTIPLY_LENGTH_H
11#define INCLUDED_TAGGED_STREAM_MULTIPLY_LENGTH_H
12
13#include <gnuradio/blocks/api.h>
15
16namespace gr {
17namespace blocks {
18
19/*!
20 * \brief Allows scaling of a tagged stream length tag
21 * \ingroup stream_operators_blk
22 *
23 * \details
24 * Searches for a specific tagged stream length tag and multiplies
25 * that length by a constant - for constant rate change blocks
26 * in a tagged stream
27 */
29{
30public:
31 typedef std::shared_ptr<tagged_stream_multiply_length> sptr;
32 virtual void set_scalar(double scalar) = 0;
33
34 /*!
35 * Make a tagged stream multiply_length block.
36 *
37 * \param itemsize Items size (number of bytes per item)
38 * \param lengthtagname Length tag key
39 * \param scalar value to scale length tag values by
40 */
41 static sptr make(size_t itemsize, const std::string& lengthtagname, double scalar);
42};
43
44} // namespace blocks
45} // namespace gr
46
47#endif /* INCLUDED_TAGGED_STREAM_MULTIPLY_LENGTH_H */
The abstract base class for all 'terminal' processing blocks.
Definition gnuradio-runtime/include/gnuradio/block.h:65
Allows scaling of a tagged stream length tag.
Definition tagged_stream_multiply_length.h:29
std::shared_ptr< tagged_stream_multiply_length > sptr
Definition tagged_stream_multiply_length.h:31
virtual void set_scalar(double scalar)=0
static sptr make(size_t itemsize, const std::string &lengthtagname, double scalar)
#define BLOCKS_API
Definition gr-blocks/include/gnuradio/blocks/api.h:18
GNU Radio logging wrapper.
Definition basic_block.h:29