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/>.
22 #define PROG_HAS_PITCH 1
23 #include "parse_args.h"
25 unsigned int pos = 0; /*frames%dspblocksize*/
28 aubio_wavetable_t *wavetable;
31 static int aubio_process(smpl_t **input, smpl_t **output, int nframes) {
32 unsigned int j; /*frames*/
33 for (j=0;j<(unsigned)nframes;j++) {
35 /* write input to datanew */
36 fvec_write_sample(ibuf, input[0][j], pos);
37 /* put synthnew in output */
38 output[0][j] = fvec_read_sample(obuf, pos);
41 if (pos == overlap_size-1) {
43 aubio_pitch_do (o, ibuf, pitch);
44 smpl_t freq = fvec_read_sample(pitch, 0);
45 aubio_wavetable_set_amp ( wavetable, aubio_level_lin (ibuf) );
47 aubio_wavetable_set_freq ( wavetable, freq );
49 aubio_wavetable_set_freq ( wavetable, 0.0 );
51 aubio_wavetable_do (wavetable, obuf, obuf);
52 /* end of block loop */
53 pos = -1; /* so it will be zero next j loop */
60 static void process_print (void) {
61 if (!verbose && usejack) return;
62 smpl_t pitch_found = fvec_read_sample(pitch, 0);
63 outmsg("%f %f\n",(frames)
64 *overlap_size/(float)samplerate, pitch_found);
67 int main(int argc, char **argv) {
68 examples_common_init(argc,argv);
70 o = new_aubio_pitch (pitch_method, buffer_size, overlap_size, samplerate);
73 wavetable = new_aubio_wavetable (samplerate, overlap_size);
74 aubio_wavetable_play ( wavetable );
76 examples_common_process(aubio_process,process_print);
79 del_aubio_wavetable (wavetable);
82 examples_common_del();
83 debug("End of program.\n");