source: examples/aubioonset.c @ 7b711b3

feature/autosinkfeature/constantqfeature/pitchshiftfeature/pydocstringsfeature/timestretchsampler
Last change on this file since 7b711b3 was 7b711b3, checked in by Paul Brossier <piem@piem.org>, 3 years ago

examples/aubioonset.c: also display awhitening and compression

  • Property mode set to 100644
File size: 2.9 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_SILENCE 1
25#define PROG_HAS_JACK 1
26#include "parse_args.h"
27
28aubio_onset_t *o;
29aubio_wavetable_t *wavetable;
30fvec_t *onset;
31smpl_t is_onset;
32
33void process_block(fvec_t *ibuf, fvec_t *obuf)
34{
35  aubio_onset_do (o, ibuf, onset);
36  is_onset = fvec_get_sample(onset, 0);
37  if ( !usejack && ! sink_uri ) return;
38  fvec_zeros(obuf);
39  if ( is_onset ) {
40    aubio_wavetable_play ( wavetable );
41    /* send a midi tap (default to C0) out to the midi output */
42    if (usejack) send_noteon(miditap_note, miditap_velo);
43  } else {
44    aubio_wavetable_stop ( wavetable );
45  }
46  if (mix_input) {
47    aubio_wavetable_do (wavetable, ibuf, obuf);
48  } else {
49    aubio_wavetable_do (wavetable, obuf, obuf);
50  }
51}
52
53void process_print (void)
54{
55  if ( is_onset ) {
56    print_time(aubio_onset_get_last (o));
57    outmsg ("\n");
58  }
59}
60
61int main(int argc, char **argv) {
62  int ret = 0;
63  examples_common_init(argc,argv);
64
65  o = new_aubio_onset (onset_method, buffer_size, hop_size, samplerate);
66  if (o == NULL) { ret = 1; goto beach; }
67  if (onset_threshold != 0.)
68    aubio_onset_set_threshold (o, onset_threshold);
69  if (silence_threshold != -90.)
70    aubio_onset_set_silence (o, silence_threshold);
71  if (onset_minioi != 0.)
72    aubio_onset_set_minioi_s (o, onset_minioi);
73
74  verbmsg ("using source: %s at %dHz\n", source_uri, samplerate);
75  verbmsg ("onset method: %s, ", onset_method);
76  verbmsg ("buffer_size: %d, ", buffer_size);
77  verbmsg ("hop_size: %d, ", hop_size);
78  verbmsg ("silence: %f, ", aubio_onset_get_silence(o));
79  verbmsg ("threshold: %f, ", aubio_onset_get_threshold(o));
80  verbmsg ("awhitening: %f, ", aubio_onset_get_awhitening(o));
81  verbmsg ("compression: %f\n", aubio_onset_get_compression(o));
82
83  onset = new_fvec (1);
84
85  wavetable = new_aubio_wavetable (samplerate, hop_size);
86  aubio_wavetable_set_freq ( wavetable, 2450.);
87  //aubio_sampler_load (sampler, "/archives/sounds/woodblock.aiff");
88
89  examples_common_process((aubio_process_func_t)process_block, process_print);
90
91  // send a last note off
92  if (usejack) {
93    send_noteon (miditap_note, 0);
94  }
95
96  del_aubio_onset (o);
97  del_aubio_wavetable (wavetable);
98  del_fvec (onset);
99
100beach:
101  examples_common_del();
102  return ret;
103}
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