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