source: src/lvec.h @ 4edba9d

feature/autosinkfeature/cnnfeature/cnn_orgfeature/constantqfeature/crepefeature/crepe_orgfeature/pitchshiftfeature/timestretchfix/ffmpeg5
Last change on this file since 4edba9d was 6f42c16, checked in by Paul Brossier <piem@piem.org>, 8 years ago

src/: change c header identifiers (see #35)

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File size: 2.5 KB
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[a3a01e1]1/*
[0683ee2]2  Copyright (C) 2003-2015 Paul Brossier <piem@aubio.org>
[a3a01e1]3
[a6db140]4  This file is part of aubio.
[a3a01e1]5
[a6db140]6  aubio is free software: you can redistribute it and/or modify
7  it under the terms of the GNU General Public License as published by
8  the Free Software Foundation, either version 3 of the License, or
9  (at your option) any later version.
[a3a01e1]10
[a6db140]11  aubio is distributed in the hope that it will be useful,
12  but WITHOUT ANY WARRANTY; without even the implied warranty of
13  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14  GNU General Public License for more details.
15
16  You should have received a copy of the GNU General Public License
17  along with aubio.  If not, see <http://www.gnu.org/licenses/>.
[a3a01e1]18
19*/
20
[6f42c16]21#ifndef AUBIO_LVEC_H
22#define AUBIO_LVEC_H
[a3a01e1]23
24#ifdef __cplusplus
25extern "C" {
26#endif
27
28/** \file
29
[f72364d]30  Vector of real-valued data in double precision
[a3a01e1]31
[f72364d]32  This file specifies the ::lvec_t buffer type, which is used in some places in
33  aubio to store a vector of ::lsmp_t.
34
35  Note: the lvec_t data type is required in some algorithms such as IIR filters
36  (see temporal/filter.h).
37
38  \example test-lvec.c
[a3a01e1]39
40*/
41
[78429de]42/** Buffer for real data in double precision */
43typedef struct {
[f72364d]44  uint_t length; /**< length of buffer */
45  lsmp_t *data;  /**< data array of size [length] */
[78429de]46} lvec_t;
47
[a3a01e1]48/** lvec_t buffer creation function
49
50  \param length the length of the buffer to create
51
52*/
[c7860af]53lvec_t * new_lvec(uint_t length);
[a3a01e1]54/** lvec_t buffer deletion function
55
56  \param s buffer to delete as returned by new_lvec()
57
58*/
59void del_lvec(lvec_t *s);
60
[6ede3ab]61/** read sample value in a buffer
[a3a01e1]62
63  \param s vector to read from
[0683ee2]64  \param position sample position to read from
[a3a01e1]65
66*/
[6ede3ab]67lsmp_t lvec_get_sample(lvec_t *s, uint_t position);
[a3a01e1]68
[6ede3ab]69/** write sample value in a buffer
[a3a01e1]70
[0683ee2]71  \param s vector to write to
[c7860af]72  \param data value to write in s->data[position]
[0683ee2]73  \param position sample position to write to
[a3a01e1]74
75*/
[6ede3ab]76void  lvec_set_sample(lvec_t *s, lsmp_t data, uint_t position);
[a3a01e1]77
78/** read data from a buffer
79
80  \param s vector to read from
81
82*/
[1120f86]83lsmp_t * lvec_get_data(const lvec_t *s);
[a3a01e1]84
[0683ee2]85/** print out lvec data
[79a01c5]86
[0683ee2]87  \param s vector to print out
[79a01c5]88
89*/
[1120f86]90void lvec_print(const lvec_t *s);
[79a01c5]91
[b849106]92/** set all elements to a given value
93
94  \param s vector to modify
95  \param val value to set elements to
96
97*/
[6ede3ab]98void lvec_set_all(lvec_t *s, smpl_t val);
[b849106]99
[0683ee2]100/** set all elements to zero
[b849106]101
102  \param s vector to modify
103
104*/
105void lvec_zeros(lvec_t *s);
106
[0683ee2]107/** set all elements to ones
[b849106]108
109  \param s vector to modify
110
111*/
112void lvec_ones(lvec_t *s);
113
[a3a01e1]114#ifdef __cplusplus
115}
116#endif
117
[6f42c16]118#endif /* AUBIO_LVEC_H */
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