ref: 0536612b984ce2c8b8a40764dec0e670e5235230
dir: /examples/aubioquiet.c/
/* Copyright (C) 2003-2009 Paul Brossier <piem@aubio.org> This file is part of aubio. aubio is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version. aubio is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with aubio. If not, see <http://www.gnu.org/licenses/>. */ #include "utils.h" unsigned int pos = 0; /*frames%dspblocksize*/ sint_t wassilence = 1, issilence; int aubio_process(smpl_t **input, smpl_t **output, int nframes); int aubio_process(smpl_t **input, smpl_t **output, int nframes) { unsigned int i; /*channels*/ unsigned int j; /*frames*/ for (j=0;j<(unsigned)nframes;j++) { if(usejack) { for (i=0;i<channels;i++) { /* write input to datanew */ fvec_write_sample(ibuf, input[i][j], i, pos); /* put synthnew in output */ output[i][j] = fvec_read_sample(obuf, i, pos); } } /*time for fft*/ if (pos == overlap_size-1) { /* test for silence */ if (aubio_silence_detection(ibuf, silence)==1) { if (wassilence==1) issilence = 1; else issilence = 2; wassilence=1; } else { if (wassilence<=0) issilence = 0; else issilence = -1; wassilence=0; } /* end of block loop */ pos = -1; /* so it will be zero next j loop */ } pos++; } return 1; } static void process_print (void) { int curframes = (frames - 4) > 0 ? frames -4 : 0; if (issilence == -1) { outmsg("NOISY: %f\n",curframes*overlap_size/(float)samplerate); } else if (issilence == 2) { outmsg("QUIET: %f\n",curframes*overlap_size/(float)samplerate); } } int main(int argc, char **argv) { examples_common_init(argc,argv); examples_common_process(aubio_process,process_print); examples_common_del(); debug("End of program.\n"); fflush(stderr); return 0; }