2 Copyright (C) 2003-2009 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
23 #include "parse_args.h"
25 uint_t pos = 0; /*frames%dspblocksize*/
28 aubio_wavetable_t *wavetable;
31 static int aubio_process(smpl_t **input, smpl_t **output, int nframes) {
32 unsigned int j; /*frames*/
33 for (j=0;j<(unsigned)nframes;j++) {
35 /* write input to datanew */
36 fvec_write_sample(ibuf, input[0][j], pos);
37 /* put synthnew in output */
38 output[0][j] = fvec_read_sample(obuf, pos);
41 if (pos == overlap_size-1) {
44 aubio_onset_do (o, ibuf, onset);
45 if ( fvec_read_sample(onset, 0) ) {
46 aubio_wavetable_play ( wavetable );
48 aubio_wavetable_stop ( wavetable );
50 aubio_wavetable_do (wavetable, obuf, obuf);
51 /* end of block loop */
52 pos = -1; /* so it will be zero next j loop */
62 /* output times in seconds, taking back some delay to ensure the label is
63 * _before_ the actual onset */
64 if (!verbose && usejack)
66 smpl_t onset_found = fvec_read_sample (onset, 0);
68 outmsg ("%f\n", aubio_onset_get_last_s (o) );
72 int main(int argc, char **argv) {
73 examples_common_init(argc,argv);
75 o = new_aubio_onset (onset_method, buffer_size, overlap_size, samplerate);
76 if (onset_threshold != 0.) aubio_onset_set_threshold (o, onset_threshold);
79 wavetable = new_aubio_wavetable (samplerate, overlap_size);
80 aubio_wavetable_set_freq ( wavetable, 2450.);
81 //aubio_sampler_load (sampler, "/archives/sounds/woodblock.aiff");
83 examples_common_process(aubio_process,process_print);
86 del_aubio_wavetable (wavetable);
89 examples_common_del();
90 debug("End of program.\n");