2 Copyright (C) 2003 Paul Brossier
4 This program is free software; you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation; either version 2 of the License, or
7 (at your option) any later version.
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
14 You should have received a copy of the GNU General Public License
15 along with this program; if not, write to the Free Software
16 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
22 unsigned int pos = 0; /* frames%dspblocksize */
25 aubio_tempo_t * bt = NULL;
28 int aubio_process(float **input, float **output, int nframes);
29 int aubio_process(float **input, float **output, int nframes) {
30 unsigned int i; /*channels*/
31 unsigned int j; /*frames*/
32 for (j=0;j<(unsigned)nframes;j++) {
34 for (i=0;i<channels;i++) {
35 /* write input to datanew */
36 fvec_write_sample(ibuf, input[i][j], i, pos);
37 /* put synthnew in output */
38 output[i][j] = fvec_read_sample(obuf, i, pos);
42 if (pos == overlap_size-1) {
44 aubio_tempo(bt,ibuf,out);
45 if (out->data[0][0]==1)
50 for (pos = 0; pos < overlap_size; pos++)
51 obuf->data[0][pos] = woodblock->data[0][pos];
53 for (pos = 0; pos < overlap_size; pos++)
54 obuf->data[0][pos] = 0.;
56 /* end of block loop */
57 pos = -1; /* so it will be zero next j loop */
64 void process_print (void);
65 void process_print (void) {
66 if (output_filename == NULL) {
68 outmsg("%f\n",(frames)*overlap_size/(float)samplerate);
69 if (isonset && verbose)
70 outmsg(" \t \t%f\n",(frames)*overlap_size/(float)samplerate);
74 int main(int argc, char **argv) {
78 /* override default settings */
79 examples_common_init(argc,argv);
81 out = new_fvec(2,channels);
82 bt = new_aubio_tempo(type_onset,buffer_size,overlap_size,channels);
84 examples_common_process(aubio_process,process_print);
89 examples_common_del();
91 debug("End of program.\n");