source: examples/aubioonset.c @ 49e40cc

feature/autosinkfeature/cnnfeature/cnn_orgfeature/constantqfeature/crepefeature/crepe_orgfeature/pitchshiftfeature/pydocstringsfeature/timestretchfix/ffmpeg5pitchshiftsamplertimestretchyinfft+
Last change on this file since 49e40cc was ce6186a, checked in by Paul Brossier <piem@piem.org>, 11 years ago

examples/aubio{trac,onset}.c: add silence option

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File size: 2.4 KB
Line 
1/*
2  Copyright (C) 2003-2013 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 "utils.h"
22#define PROG_HAS_ONSET 1
23#define PROG_HAS_OUTPUT 1
24#define PROG_HAS_JACK 1
25#include "parse_args.h"
26
27aubio_onset_t *o;
28aubio_wavetable_t *wavetable;
29fvec_t *onset;
30smpl_t is_onset;
31uint_t is_silence = 0.;
32
33void
34process_block(fvec_t *ibuf, fvec_t *obuf) {
35  fvec_zeros(obuf);
36  aubio_onset_do (o, ibuf, onset);
37  if (silence_threshold != -90.)
38    is_silence = aubio_silence_detection(ibuf, silence_threshold);
39  is_onset = fvec_read_sample(onset, 0);
40  if ( is_onset && !is_silence ) {
41    aubio_wavetable_play ( wavetable );
42  } else {
43    aubio_wavetable_stop ( wavetable );
44  }
45  if (mix_input)
46    aubio_wavetable_do (wavetable, ibuf, obuf);
47  else
48    aubio_wavetable_do (wavetable, obuf, obuf);
49}
50
51void
52process_print (void)
53{
54  if ( is_onset && !is_silence ) {
55    outmsg ("%f\n", aubio_onset_get_last_s (o) );
56  }
57}
58
59int main(int argc, char **argv) {
60  examples_common_init(argc,argv);
61
62  verbmsg ("using source: %s at %dHz\n", source_uri, samplerate);
63  verbmsg ("onset method: %s, ", onset_method);
64  verbmsg ("buffer_size: %d, ", buffer_size);
65  verbmsg ("hop_size: %d, ", hop_size);
66  verbmsg ("threshold: %f, ", silence_threshold);
67  verbmsg ("threshold: %f\n", onset_threshold);
68
69  o = new_aubio_onset (onset_method, buffer_size, hop_size, samplerate);
70  if (onset_threshold != 0.) aubio_onset_set_threshold (o, onset_threshold);
71  onset = new_fvec (1);
72
73  wavetable = new_aubio_wavetable (samplerate, hop_size);
74  aubio_wavetable_set_freq ( wavetable, 2450.);
75  //aubio_sampler_load (sampler, "/archives/sounds/woodblock.aiff");
76
77  examples_common_process((aubio_process_func_t)process_block, process_print);
78
79  del_aubio_onset (o);
80  del_aubio_wavetable (wavetable);
81  del_fvec (onset);
82
83  examples_common_del();
84  return 0;
85}
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