source: src/io/ioutils.h @ 85e20fa

feature/autosinkfeature/constantqfeature/pitchshiftfeature/timestretch
Last change on this file since 85e20fa was 85e20fa, checked in by Paul Brossier <piem@piem.org>, 12 months ago

[io] add helpers to check source output sizes

  • Property mode set to 100644
File size: 3.4 KB
Line 
1/*
2  Copyright (C) 2016 Paul Brossier <piem@aubio.org>
3
4  This file is part of aubio.
5
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.
10
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/>.
18
19*/
20
21#ifndef AUBIO_IOUTILS_H
22#define AUBIO_IOUTILS_H
23
24/** \file
25
26  Simple utility functions to validate input parameters.
27
28*/
29
30#ifdef __cplusplus
31extern "C" {
32#endif
33
34/** validate samplerate
35
36  \param kind       the object kind to report on
37  \param path       the object properties to report on
38  \param samplerate the object properties to report on
39  \return  0 if ok, non-zero if validation failed
40
41 */
42uint_t aubio_io_validate_samplerate(const char_t *kind, const char_t *path,
43    uint_t samplerate);
44
45/** validate number of channels
46
47  \param kind       the object kind to report on
48  \param path       the object properties to report on
49  \param channels   the object properties to report on
50  \return  0 if ok, non-zero if validation failed
51
52 */
53uint_t aubio_io_validate_channels(const char_t *kind, const char_t *path,
54    uint_t channels);
55
56/** validate length of source output
57
58  \param kind       the object kind to report on
59  \param path       the path to report on
60  \param hop_size   number of frames to be read
61  \param read_data_length actual length of input
62
63  \return hop_size or the maximum number of frames that can be written
64*/
65uint_t
66aubio_source_validate_input_length(const char_t *kind, const char_t *path,
67    uint_t hop_size, uint_t read_data_length);
68
69/** validate height of source output
70
71  \param kind       the object kind to report on
72  \param path       the path to report on
73  \param source_channels maximum number of channels that can be written
74  \param read_data_height actual height of input
75
76  \return write_data_height or the maximum number of channels
77*/
78uint_t
79aubio_source_validate_input_channels(const char_t *kind, const char_t *path,
80    uint_t source_channels, uint_t read_data_height);
81
82/** validate length of sink input
83
84  \param kind       the object kind to report on
85  \param path       the path to report on
86  \param max_size   maximum number of frames that can be written
87  \param write_data_length actual length of input
88  \param write number of samples asked
89
90  \return write or the maximum number of frames that can be written
91*/
92uint_t
93aubio_sink_validate_input_length(const char_t *kind, const char_t *path,
94    uint_t max_size, uint_t write_data_length, uint_t write);
95
96/** validate height of sink input
97
98  \param kind       the object kind to report on
99  \param path       the path to report on
100  \param sink_channels maximum number of channels that can be written
101  \param write_data_height actual height of input matrix
102
103  \return write_data_height or the maximum number of channels
104*/
105uint_t
106aubio_sink_validate_input_channels(const char_t *kind, const char_t *path,
107    uint_t sink_channels, uint_t write_data_height);
108
109#ifdef __cplusplus
110}
111#endif
112
113#endif /* AUBIO_IOUTILS_H */
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