source: src/io/ioutils.c @ 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: 4.1 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_source_validate_input_length(const char_t *kind, const char_t *path,
57    uint_t hop_size, uint_t read_data_length)
58{
59  uint_t length = hop_size;
60  if (hop_size < read_data_length) {
61    AUBIO_WRN("%s: partial read from %s, trying to read %d frames, but"
62        " hop_size is %d\n", kind, path, read_data_length, hop_size);
63  } else if (hop_size > read_data_length) {
64    AUBIO_WRN("%s: partial read from %s, trying to read %d frames into"
65        " a buffer of length %d\n", kind, path, hop_size, read_data_length);
66    length = read_data_length;
67  }
68  return length;
69}
70
71uint_t
72aubio_source_validate_input_channels(const char_t *kind, const char_t *path,
73    uint_t source_channels, uint_t read_data_height)
74{
75  uint_t channels = source_channels;
76  if (read_data_height < source_channels) {
77    AUBIO_WRN("%s: partial read from %s, trying to read %d channels,"
78        " but found output of height %d\n", kind, path, source_channels,
79        read_data_height);
80    channels = read_data_height;
81  } else if (read_data_height > source_channels) {
82    // do not show a warning when trying to read into more channels than
83    // the input source.
84#if 0
85    AUBIO_WRN("%s: partial read from %s, trying to read %d channels,"
86        " but found output of height %d\n", kind, path, source_channels,
87        read_data_height);
88#endif
89    channels = source_channels;
90  }
91  return channels;
92}
93
94uint_t
95aubio_sink_validate_input_length(const char_t *kind, const char_t *path,
96    uint_t max_size, uint_t write_data_length, uint_t write)
97{
98  uint_t can_write = write;
99
100  if (write > max_size) {
101    AUBIO_WRN("%s: partial write to %s, trying to write %d frames,"
102        " at most %d can be written at once\n", kind, path, write, max_size);
103    can_write = max_size;
104  }
105
106  if (can_write > write_data_length) {
107    AUBIO_WRN("%s: partial write to %s, trying to write %d frames,"
108        " but found input of length %d\n", kind, path, write,
109        write_data_length);
110    can_write = write_data_length;
111  }
112
113  return can_write;
114}
115
116uint_t
117aubio_sink_validate_input_channels(const char_t *kind, const char_t *path,
118    uint_t sink_channels, uint_t write_data_height)
119{
120  uint_t channels = sink_channels;
121  if (write_data_height < sink_channels) {
122    AUBIO_WRN("%s: partial write to %s, trying to write %d channels,"
123        " but found input of height %d\n", kind, path, sink_channels,
124        write_data_height);
125    channels = write_data_height;
126  }
127  return channels;
128}
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