source: examples/aubioquiet.c @ 4621cd6

feature/autosinkfeature/constantqfeature/pitchshiftfeature/pydocstringsfeature/timestretchpitchshiftsamplertimestretchyinfft+
Last change on this file since 4621cd6 was 4621cd6, checked in by Paul Brossier <piem@piem.org>, 10 years ago

examples: switch to mono

  • Property mode set to 100644
File size: 2.2 KB
RevLine 
[f41f5c4]1/*
[6a2478c]2  Copyright (C) 2003-2009 Paul Brossier <piem@aubio.org>
[f41f5c4]3
[6a2478c]4  This file is part of aubio.
[f41f5c4]5
[6a2478c]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.
10
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.
15
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/>.
[f41f5c4]18
19*/
20
21#include "utils.h"
22
23unsigned int pos = 0; /*frames%dspblocksize*/
24sint_t wassilence = 1, issilence;
25
[c423c3d]26int aubio_process(smpl_t **input, smpl_t **output, int nframes);
27int aubio_process(smpl_t **input, smpl_t **output, int nframes) {
[f41f5c4]28  unsigned int j;       /*frames*/
[af35ed0]29  for (j=0;j<(unsigned)nframes;j++) {
[f41f5c4]30    if(usejack) {
[4621cd6]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);
[f41f5c4]35    }
36    /*time for fft*/
37    if (pos == overlap_size-1) {         
38      /* test for silence */
[660cad22]39      if (aubio_silence_detection(ibuf, silence)==1) {
[4621cd6]40        if (wassilence==1) issilence = 1;
41        else issilence = 2;
[f41f5c4]42        wassilence=1;
43      } else { 
[4621cd6]44        if (wassilence<=0) issilence = 0;
45        else issilence = -1;
[f41f5c4]46        wassilence=0;
47      }
48      /* end of block loop */
49      pos = -1; /* so it will be zero next j loop */
50    }
51    pos++;
52  }
53  return 1;
54}
55
[d4c5de7]56static void process_print (void) {
[f41f5c4]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);
62      }
63}
64
65int 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");
70  fflush(stderr);
71  return 0;
72}
73
Note: See TracBrowser for help on using the repository browser.