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.
21 unsigned int pos = 0; /*frames%dspblocksize*/
26 static int aubio_process(smpl_t **input, smpl_t **output, int nframes) {
27 unsigned int i; /*channels*/
28 unsigned int j; /*frames*/
29 for (j=0;j<(unsigned)nframes;j++) {
31 for (i=0;i<channels;i++) {
32 /* write input to datanew */
33 fvec_write_sample(ibuf, input[i][j], i, pos);
34 /* put synthnew in output */
35 output[i][j] = fvec_read_sample(obuf, i, pos);
39 if (pos == overlap_size-1) {
41 aubio_pitch_do (o, ibuf, pitch);
42 if (fvec_read_sample(pitch, 0, 0)) {
43 for (pos = 0; pos < overlap_size; pos++){
44 // TODO, play sine at this freq
49 /* end of block loop */
50 pos = -1; /* so it will be zero next j loop */
57 static void process_print (void) {
58 if (!verbose && usejack) return;
59 smpl_t pitch_found = fvec_read_sample(pitch, 0, 0);
60 outmsg("%f %f\n",(frames)
61 *overlap_size/(float)samplerate, pitch_found);
64 int main(int argc, char **argv) {
65 examples_common_init(argc,argv);
67 o = new_aubio_pitch (onset_mode, buffer_size, overlap_size, channels,
69 pitch = new_fvec (1, channels);
71 examples_common_process(aubio_process,process_print);
76 examples_common_del();
77 debug("End of program.\n");