source: examples/aubiotrack.c @ 466dff3

feature/autosinkfeature/constantqfeature/pitchshiftfeature/pydocstringsfeature/timestretchpitchshiftsamplertimestretchyinfft+
Last change on this file since 466dff3 was 466dff3, checked in by Paul Brossier <piem@piem.org>, 6 years ago

examples/: large refactoring, improve option management, remove old stuff, move blocking logic to jackio

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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_TEMPO 1
23#include "parse_args.h"
24
25aubio_tempo_t * tempo;
26aubio_wavetable_t *wavetable;
27fvec_t * tempo_out;
28smpl_t istactus = 0;
29smpl_t isonset = 0;
30
31void process_block(fvec_t * ibuf, fvec_t *obuf) {
32  aubio_tempo_do (tempo, ibuf, tempo_out);
33  istactus = fvec_read_sample (tempo_out, 0);
34  isonset = fvec_read_sample (tempo_out, 1);
35  fvec_zeros (obuf);
36  if (istactus > 0.) {
37    aubio_wavetable_play ( wavetable );
38  } else {
39    aubio_wavetable_stop ( wavetable );
40  }
41  aubio_wavetable_do (wavetable, obuf, obuf);
42}
43
44void process_print (void) {
45  if (istactus) {
46    outmsg("%f\n", aubio_tempo_get_last_s(tempo) );
47  }
48  //if (isonset && verbose)
49  //  outmsg(" \t \t%f\n",(blocks)*hop_size/(float)samplerate);
50}
51
52int main(int argc, char **argv) {
53  // override general settings from utils.c
54  buffer_size = 1024;
55  hop_size = 512;
56
57  examples_common_init(argc,argv);
58
59  verbmsg ("using source: %s at %dHz\n", source_uri, samplerate);
60
61  verbmsg ("tempo method: %s, ", tempo_method);
62  verbmsg ("buffer_size: %d, ", buffer_size);
63  verbmsg ("hop_size: %d, ", hop_size);
64  verbmsg ("threshold: %f\n", onset_threshold);
65
66  tempo_out = new_fvec(2);
67  tempo = new_aubio_tempo(tempo_method, buffer_size, hop_size, samplerate);
68  if (onset_threshold != 0.) aubio_tempo_set_threshold (tempo, onset_threshold);
69
70  wavetable = new_aubio_wavetable (samplerate, hop_size);
71  aubio_wavetable_set_freq ( wavetable, 2450.);
72  //aubio_sampler_load (sampler, "/archives/sounds/woodblock.aiff");
73
74  examples_common_process((aubio_process_func_t)process_block,process_print);
75
76  del_aubio_tempo(tempo);
77  del_aubio_wavetable (wavetable);
78  del_fvec(tempo_out);
79
80  examples_common_del();
81  return 0;
82}
83
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