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*/
22 sint_t wassilence = 1, issilence;
25 int aubio_process(float **input, float **output, int nframes);
26 int aubio_process(float **input, float **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) {
40 /* test for silence */
41 if (aubio_silence_detection(ibuf, silence)==1) {
42 if (wassilence==1) issilence = 1;
46 if (wassilence<=0) issilence = 0;
50 /* end of block loop */
51 pos = -1; /* so it will be zero next j loop */
58 void process_print (void);
59 void process_print (void) {
60 int curframes = (frames - 4) > 0 ? frames -4 : 0;
61 if (issilence == -1) {
62 outmsg("NOISY: %f\n",curframes*overlap_size/(float)samplerate);
63 } else if (issilence == 2) {
64 outmsg("QUIET: %f\n",curframes*overlap_size/(float)samplerate);
68 int main(int argc, char **argv) {
69 examples_common_init(argc,argv);
70 examples_common_process(aubio_process,process_print);
71 examples_common_del();
72 debug("End of program.\n");