source: src/io/ioutils.c @ b5de3a9

feature/autosinkfeature/constantqfeature/pitchshiftfeature/timestretch
Last change on this file since b5de3a9 was b5de3a9, checked in by Paul Brossier <piem@piem.org>, 6 months ago

[io] add helpers to validate input

  • Property mode set to 100644
File size: 2.7 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#include "aubio_priv.h"
22
23uint_t
24aubio_io_validate_samplerate(const char_t *kind, const char_t *path, uint_t samplerate)
25{
26  if ((sint_t)(samplerate) <= 0) {
27    AUBIO_ERR("%s: failed creating %s, samplerate should be positive, not %d\n",
28        kind, path, samplerate);
29    return AUBIO_FAIL;
30  }
31  if ((sint_t)samplerate > AUBIO_MAX_SAMPLERATE) {
32    AUBIO_ERR("%s: failed creating %s, samplerate %dHz is too large\n",
33        kind, path, samplerate);
34    return AUBIO_FAIL;
35  }
36  return AUBIO_OK;
37}
38
39uint_t
40aubio_io_validate_channels(const char_t *kind, const char_t *path, uint_t channels)
41{
42  if ((sint_t)(channels) <= 0) {
43    AUBIO_ERR("sink_%s: failed creating %s, channels should be positive, not %d\n",
44        kind, path, channels);
45    return AUBIO_FAIL;
46  }
47  if (channels > AUBIO_MAX_CHANNELS) {
48    AUBIO_ERR("sink_%s: failed creating %s, too many channels (%d but %d available)\n",
49        kind, path, channels, AUBIO_MAX_CHANNELS);
50    return AUBIO_FAIL;
51  }
52  return AUBIO_OK;
53}
54
55uint_t
56aubio_sink_validate_input_length(const char_t *kind, const char_t *path,
57    uint_t max_size, uint_t write_data_length, uint_t write)
58{
59  uint_t can_write = write;
60
61  if (write > max_size) {
62    AUBIO_WRN("%s: partial write to %s, trying to write %d frames,"
63        " at most %d can be written at once\n", kind, path, write, max_size);
64    can_write = max_size;
65  }
66
67  if (can_write > write_data_length) {
68    AUBIO_WRN("%s: partial write to %s, trying to write %d frames,"
69        " but found input of length %d\n", kind, path, write,
70        write_data_length);
71    can_write = write_data_length;
72  }
73
74  return can_write;
75}
76
77uint_t
78aubio_sink_validate_input_channels(const char_t *kind, const char_t *path,
79    uint_t sink_channels, uint_t write_data_height)
80{
81  uint_t channels = sink_channels;
82  if (write_data_height < sink_channels) {
83    AUBIO_WRN("%s: partial write to %s, trying to write %d channels,"
84        " but found input of height %d\n", kind, path, sink_channels,
85        write_data_height);
86    channels = write_data_height;
87  }
88  return channels;
89}
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