ref: 4368223876c6727ac7a181f6e7f0ae9adfadf563
dir: /examples/aubiotrack.c/
/* Copyright (C) 2003 Paul Brossier This program 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 2 of the License, or (at your option) any later version. This program 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 this program; if not, write to the Free Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ #include <aubio.h> #include "utils.h" unsigned int pos = 0; /* frames%dspblocksize */ uint_t usepitch = 0; fvec_t * out = NULL; aubio_tempo_t * bt = NULL; uint_t istactus = 0; int aubio_process(float **input, float **output, int nframes); int aubio_process(float **input, float **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) { /* block loop */ aubio_tempo(bt,ibuf,out); if (out->data[0][0]==1) istactus = 1; else istactus = 0; if (istactus) { for (pos = 0; pos < overlap_size; pos++) obuf->data[0][pos] = woodblock->data[0][pos]; } else { for (pos = 0; pos < overlap_size; pos++) obuf->data[0][pos] = 0.; } /* end of block loop */ pos = -1; /* so it will be zero next j loop */ } pos++; } return 1; } void process_print (void); void process_print (void) { if (output_filename == NULL) { if (istactus) outmsg("%f\n",(frames)*overlap_size/(float)samplerate); if (isonset && verbose) outmsg(" \t \t%f\n",(frames)*overlap_size/(float)samplerate); } } int main(int argc, char **argv) { buffer_size = 1024; overlap_size = 512; /* override default settings */ examples_common_init(argc,argv); out = new_fvec(2,channels); bt = new_aubio_tempo(type_onset,buffer_size,overlap_size,channels); examples_common_process(aubio_process,process_print); del_aubio_tempo(bt); del_fvec(out); examples_common_del(); debug("End of program.\n"); fflush(stderr); return 0; }