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*/
24 int aubio_process(smpl_t **input, smpl_t **output, int nframes);
25 int aubio_process(smpl_t **input, smpl_t **output, int nframes) {
26 unsigned int i; /*channels*/
27 unsigned int j; /*frames*/
28 for (j=0;j<(unsigned)nframes;j++) {
30 for (i=0;i<channels;i++) {
31 /* write input to datanew */
32 fvec_write_sample(ibuf, input[i][j], i, pos);
33 /* put synthnew in output */
34 output[i][j] = fvec_read_sample(obuf, i, pos);
38 if (pos == overlap_size-1) {
40 aubio_pvoc_do (pv,ibuf, fftgrain);
41 aubio_onsetdetection_do(o,fftgrain, onset);
42 isonset = aubio_peakpicker_do(parms, onset);
44 aubio_pitchdetection_do (pitchdet, ibuf, pitch_obuf);
45 pitch = fvec_read_sample(pitch_obuf, 0, 0);
47 note_append(note_buffer, pitch);
50 /* curlevel is negatif or 1 if silence */
51 curlevel = aubio_level_detection(ibuf, silence);
53 /* test for silence */
56 if (median) isready = 0;
58 send_noteon(curnote,0);
64 send_noteon(curnote,0);
65 /* get and send new one */
66 send_noteon(pitch,127+(int)floor(curlevel));
70 for (pos = 0; pos < overlap_size; pos++){
71 obuf->data[0][pos] = woodblock->data[0][pos];
78 if (isready == median)
81 send_noteon(curnote,0);
82 newnote = get_note(note_buffer, note_buffer2);
84 /* get and send new one */
86 send_noteon(curnote,127+(int)floor(curlevel));
90 for (pos = 0; pos < overlap_size; pos++)
91 obuf->data[0][pos] = 0.;
93 /* end of block loop */
94 pos = -1; /* so it will be zero next j loop */
101 void process_print (void);
102 void process_print (void) {
103 if (verbose) outmsg("%f\n",pitch);
106 int main(int argc, char **argv) {
107 examples_common_init(argc,argv);
108 examples_common_process(aubio_process, process_print);
109 examples_common_del();
110 debug("End of program.\n");