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/>.
23 unsigned int pos = 0; /*frames%dspblocksize*/
28 static int aubio_process(smpl_t **input, smpl_t **output, int nframes) {
29 unsigned int i; /*channels*/
30 unsigned int j; /*frames*/
31 for (j=0;j<(unsigned)nframes;j++) {
33 /* write input to datanew */
34 fvec_write_sample(ibuf, input[0][j], pos);
35 /* put synthnew in output */
36 output[0][j] = fvec_read_sample(obuf, pos);
39 if (pos == overlap_size-1) {
41 aubio_onset_do (o, ibuf, onset);
42 if ( fvec_read_sample(onset, 0) ) {
43 fvec_copy (woodblock, obuf);
47 /* end of block loop */
48 pos = -1; /* so it will be zero next j loop */
58 /* output times in seconds, taking back some delay to ensure the label is
59 * _before_ the actual onset */
60 if (!verbose && usejack)
62 smpl_t onset_found = fvec_read_sample (onset, 0);
65 outmsg ("%f\n", (frames - frames_delay + onset_found)
66 * overlap_size / (float) samplerate);
67 } else if (frames < frames_delay) {
73 int main(int argc, char **argv) {
75 examples_common_init(argc,argv);
77 o = new_aubio_onset (onset_mode, buffer_size, overlap_size, samplerate);
78 if (threshold != 0.) aubio_onset_set_threshold (o, threshold);
81 examples_common_process(aubio_process,process_print);
86 examples_common_del();
87 debug("End of program.\n");