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(float **input, float **output, int nframes);
25 int aubio_process(float **input, float **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(o,fftgrain, onset);
43 aubio_onsetdetection(o2,fftgrain, onset2);
44 onset->data[0][0] *= onset2->data[0][0];
46 isonset = aubio_peakpick_pimrt(onset,parms);
48 /* test for silence */
49 if (aubio_silence_detection(ibuf, silence)==1)
52 for (pos = 0; pos < overlap_size; pos++){
53 obuf->data[0][pos] = woodblock->data[0][pos];
56 for (pos = 0; pos < overlap_size; pos++)
57 obuf->data[0][pos] = 0.;
59 /* end of block loop */
60 pos = -1; /* so it will be zero next j loop */
67 void process_print (void);
68 void process_print (void) {
69 /* output times in seconds, taking back some
70 * delay to ensure the label is _before_ the
72 if (isonset && output_filename == NULL) {
74 outmsg("%f\n",(frames-frames_delay)*overlap_size/(float)samplerate);
75 } else if (frames < frames_delay) {
81 int main(int argc, char **argv) {
83 examples_common_init(argc,argv);
84 examples_common_process(aubio_process,process_print);
85 examples_common_del();
86 debug("End of program.\n");