2 Copyright (C) 2003-2013 Paul Brossier <piem@aubio.org>
4 This file is part of aubio.
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.
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.
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/>.
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"
29 aubio_wavetable_t *wavetable;
33 void process_block(fvec_t *ibuf, fvec_t *obuf)
35 aubio_onset_do (o, ibuf, onset);
36 is_onset = fvec_get_sample(onset, 0);
37 if ( !usejack && ! sink_uri ) return;
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);
44 aubio_wavetable_stop ( wavetable );
47 aubio_wavetable_do (wavetable, ibuf, obuf);
49 aubio_wavetable_do (wavetable, obuf, obuf);
52 void process_print (void)
55 print_time(aubio_onset_get_last (o));
60 int main(int argc, char **argv) {
62 examples_common_init(argc,argv);
64 verbmsg ("using source: %s at %dHz\n", source_uri, samplerate);
65 verbmsg ("onset method: %s, ", onset_method);
66 verbmsg ("buffer_size: %d, ", buffer_size);
67 verbmsg ("hop_size: %d, ", hop_size);
68 verbmsg ("silence: %f, ", silence_threshold);
69 verbmsg ("threshold: %f\n", onset_threshold);
71 o = new_aubio_onset (onset_method, buffer_size, hop_size, samplerate);
72 if (o == NULL) { ret = 1; goto beach; }
73 if (onset_threshold != 0.)
74 aubio_onset_set_threshold (o, onset_threshold);
75 if (silence_threshold != -90.)
76 aubio_onset_set_silence (o, silence_threshold);
80 wavetable = new_aubio_wavetable (samplerate, hop_size);
81 aubio_wavetable_set_freq ( wavetable, 2450.);
82 //aubio_sampler_load (sampler, "/archives/sounds/woodblock.aiff");
84 examples_common_process((aubio_process_func_t)process_block, process_print);
86 // send a last note off
88 send_noteon (miditap_note, 0);
92 del_aubio_wavetable (wavetable);
96 examples_common_del();