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 for (i=0;i<channels;i++) {
34 /* write input to datanew */
35 fvec_write_sample(ibuf, input[i][j], i, pos);
36 /* put synthnew in output */
37 output[i][j] = fvec_read_sample(obuf, i, pos);
41 if (pos == overlap_size-1) {
43 aubio_onset_do (o, ibuf, onset);
44 if (fvec_read_sample(onset, 0, 0)) {
45 fvec_copy (woodblock, obuf);
49 /* end of block loop */
50 pos = -1; /* so it will be zero next j loop */
57 static void process_print (void) {
58 /* output times in seconds, taking back some
59 * delay to ensure the label is _before_ the
61 if (!verbose && usejack) return;
62 smpl_t onset_found = fvec_read_sample(onset, 0, 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, channels,
79 if (threshold != 0.) aubio_onset_set_threshold (o, threshold);
80 onset = new_fvec (1, channels);
82 examples_common_process(aubio_process,process_print);
87 examples_common_del();
88 debug("End of program.\n");