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/>.
24 uint_t pos = 0; /* frames%dspblocksize */
25 fvec_t * tempo_out = NULL;
26 aubio_tempo_t * bt = NULL;
30 static int aubio_process(smpl_t **input, smpl_t **output, int nframes) {
31 unsigned int j; /*frames*/
32 for (j=0;j<(unsigned)nframes;j++) {
34 /* write input to datanew */
35 fvec_write_sample(ibuf, input[0][j], pos);
36 /* put synthnew in output */
37 output[0][j] = fvec_read_sample(obuf, pos);
40 if (pos == overlap_size-1) {
42 aubio_tempo_do (bt,ibuf,tempo_out);
43 istactus = fvec_read_sample (tempo_out, 0);
44 isonset = fvec_read_sample (tempo_out, 1);
46 fvec_copy (woodblock, obuf);
50 /* end of block loop */
51 pos = -1; /* so it will be zero next j loop */
58 static void process_print (void) {
59 if (sink_uri == NULL) {
61 outmsg("%f\n",((smpl_t)(frames*overlap_size)+(istactus-1.)*overlap_size)/(smpl_t)samplerate);
63 if (isonset && verbose)
64 outmsg(" \t \t%f\n",(frames)*overlap_size/(float)samplerate);
68 int main(int argc, char **argv) {
72 /* override default settings */
73 examples_common_init(argc,argv);
75 tempo_out = new_fvec(2);
76 bt = new_aubio_tempo(onset_mode,buffer_size,overlap_size, samplerate);
77 if (threshold != 0.) aubio_tempo_set_threshold (bt, threshold);
79 examples_common_process(aubio_process,process_print);
84 examples_common_del();
86 debug("End of program.\n");