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 #include "parse_args.h"
24 unsigned int pos = 0; /*frames%dspblocksize*/
25 sint_t wassilence = 1, issilence;
27 int aubio_process(smpl_t **input, smpl_t **output, int nframes);
28 int aubio_process(smpl_t **input, smpl_t **output, int nframes) {
29 unsigned int j; /*frames*/
30 for (j=0;j<(unsigned)nframes;j++) {
32 /* write input to datanew */
33 fvec_write_sample(ibuf, input[0][j], pos);
34 /* put synthnew in output */
35 output[0][j] = fvec_read_sample(obuf, pos);
38 if (pos == overlap_size-1) {
39 /* test for silence */
40 if (aubio_silence_detection(ibuf, silence)==1) {
41 if (wassilence==1) issilence = 1;
45 if (wassilence<=0) issilence = 0;
49 /* end of block loop */
50 pos = -1; /* so it will be zero next j loop */
57 static void process_print (void) {
58 int curframes = (frames - 4) > 0 ? frames -4 : 0;
59 if (issilence == -1) {
60 outmsg("NOISY: %f\n",curframes*overlap_size/(float)samplerate);
61 } else if (issilence == 2) {
62 outmsg("QUIET: %f\n",curframes*overlap_size/(float)samplerate);
66 int main(int argc, char **argv) {
67 examples_common_init(argc,argv);
68 examples_common_process(aubio_process,process_print);
69 examples_common_del();
70 debug("End of program.\n");