blob: 10b1276e85e1492be84aa05711b27a3c997afe5a (
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
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
|
/* -*- c++ -*- */
/*
* Copyright 2008,2009,2013 Free Software Foundation, Inc.
*
* This file is part of GNU Radio
*
* SPDX-License-Identifier: GPL-3.0-or-later
*
*/
#ifndef INCLUDED_GR_WAVFILE_SINK_H
#define INCLUDED_GR_WAVFILE_SINK_H
#include <gnuradio/blocks/api.h>
#include <gnuradio/sync_block.h>
namespace gr {
namespace blocks {
/*!
* \brief Write stream to a Microsoft PCM (.wav) file.
* \ingroup audio_blk
*
* \details
* Values must be floats within [-1;1].
* Check gr_make_wavfile_sink() for extra info.
*/
class BLOCKS_API wavfile_sink : virtual public sync_block
{
public:
// gr::blocks::wavfile_sink::sptr
typedef boost::shared_ptr<wavfile_sink> sptr;
/*
* \param filename The .wav file to be opened
* \param n_channels Number of channels (2 = stereo or I/Q output)
* \param sample_rate Sample rate [S/s]
* \param bits_per_sample 16 or 8 bit, default is 16
*/
static sptr make(const char* filename,
int n_channels,
unsigned int sample_rate,
int bits_per_sample = 16);
/*!
* \brief Opens a new file and writes a WAV header. Thread-safe.
*/
virtual bool open(const char* filename) = 0;
/*!
* \brief Closes the currently active file and completes the WAV
* header. Thread-safe.
*/
virtual void close() = 0;
/*!
* \brief Set the sample rate. This will not affect the WAV file
* currently opened. Any following open() calls will use this new
* sample rate.
*/
virtual void set_sample_rate(unsigned int sample_rate) = 0;
/*!
* \brief Set bits per sample. This will not affect the WAV file
* currently opened (see set_sample_rate()). If the value is
* neither 8 nor 16, the call is ignored and the current value
* is kept.
*/
virtual void set_bits_per_sample(int bits_per_sample) = 0;
};
} /* namespace blocks */
} /* namespace gr */
#endif /* INCLUDED_GR_WAVFILE_SINK_H */
|
