source: src/lvec.h @ 79a01c5

feature/autosinkfeature/constantqfeature/pitchshiftfeature/pydocstringsfeature/timestretchpitchshiftsamplertimestretchyinfft+
Last change on this file since 79a01c5 was 79a01c5, checked in by Paul Brossier <piem@piem.org>, 11 years ago

src/lvec.{c,h}: add lvec_print

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1/*
2   Copyright (C) 2003-2007 Paul Brossier <piem@piem.org>
3
4   This program is free software; you can redistribute it and/or modify
5   it under the terms of the GNU General Public License as published by
6   the Free Software Foundation; either version 2 of the License, or
7   (at your option) any later version.
8
9   This program is distributed in the hope that it will be useful,
10   but WITHOUT ANY WARRANTY; without even the implied warranty of
11   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
12   GNU General Public License for more details.
13
14   You should have received a copy of the GNU General Public License
15   along with this program; if not, write to the Free Software
16   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
17
18*/
19
20#ifndef _LVEC_H
21#define _LVEC_H
22
23#ifdef __cplusplus
24extern "C" {
25#endif
26
27/** \file
28
29  Real buffers
30
31  This file specifies the lvec_t buffer type, which is used in aubio to
32  store double precision real data.
33
34*/
35
36/** Sample buffer type */
37typedef struct _lvec_t lvec_t;
38/** Buffer for real values */
39struct _lvec_t {
40  uint_t length;   /**< length of buffer */
41  uint_t channels; /**< number of channels */
42  lsmp_t **data;   /**< data array of size [length] * [channels] */
43};
44/** lvec_t buffer creation function
45
46  \param length the length of the buffer to create
47  \param channels the number of channels in the buffer
48
49*/
50lvec_t * new_lvec(uint_t length, uint_t channels);
51/** lvec_t buffer deletion function
52
53  \param s buffer to delete as returned by new_lvec()
54
55*/
56void del_lvec(lvec_t *s);
57/** read sample value in a buffer
58
59  Note that this function is not used in the aubio library, since the same
60  result can be obtained using vec->data[channel][position]. Its purpose is to
61  access these values from wrappers, as created by swig.
62
63  \param s vector to read from
64  \param channel channel to read from
65  \param position sample position to read from
66
67*/
68lsmp_t lvec_read_sample(lvec_t *s, uint_t channel, uint_t position);
69/** write sample value in a buffer
70
71  Note that this function is not used in the aubio library, since the same
72  result can be obtained by assigning vec->data[channel][position]. Its purpose
73  is to access these values from wrappers, as created by swig.
74
75  \param s vector to write to
76  \param data value to write in s->data[channel][position]
77  \param channel channel to write to
78  \param position sample position to write to
79
80*/
81void  lvec_write_sample(lvec_t *s, lsmp_t data, uint_t channel, uint_t position);
82/** read channel vector from a buffer
83
84  Note that this function is not used in the aubio library, since the same
85  result can be obtained with vec->data[channel]. Its purpose is to access
86  these values from wrappers, as created by swig.
87
88  \param s vector to read from
89  \param channel channel to read from
90
91*/
92lsmp_t * lvec_get_channel(lvec_t *s, uint_t channel);
93/** write channel vector into a buffer
94
95  Note that this function is not used in the aubio library, since the same
96  result can be obtained by assigning vec->data[channel]. Its purpose is to
97  access these values from wrappers, as created by swig.
98
99  \param s vector to write to
100  \param data vector of [length] values to write
101  \param channel channel to write to
102
103*/
104void lvec_put_channel(lvec_t *s, lsmp_t * data, uint_t channel);
105/** read data from a buffer
106
107  Note that this function is not used in the aubio library, since the same
108  result can be obtained with vec->data. Its purpose is to access these values
109  from wrappers, as created by swig.
110
111  \param s vector to read from
112
113*/
114lsmp_t ** lvec_get_data(lvec_t *s);
115
116/** print out lvec data
117
118  \param s vector to print out
119
120*/
121void lvec_print(lvec_t *s);
122
123#ifdef __cplusplus
124}
125#endif
126
127#endif /* _LVEC_H */
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