ref: 9cba1ebbc1de8191dc6c8055e2c1a76cbd2ed4cf
dir: /examples/testforclam.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 <stdio.h>
#include <stdlib.h>
#include <stdarg.h>
#include <getopt.h>
#include <unistd.h>
#include "aubio.h"
#include "utils.h"
const char * output_filename = NULL;
const char * input_filename = NULL;
const char * onset_filename = "/usr/share/sounds/aubio/woodblock.aiff";
int verbose = 0;
int usejack = 0;
int aubio_process(float **input, float **output, int nframes);
/* settings */
/* energy,specdiff,hfc,complexdomain,phase */
aubio_onsetdetection_type type_onset;
smpl_t threshold = 0.1;
smpl_t threshold2 = -80.;
int buffer_size = 1024;
int overlap_size = 512;
int channels = 1;
int samplerate = 44100;
/* global objects */
aubio_pvoc_t * pv;
fvec_t * ibuf;
fvec_t * obuf;
cvec_t * fftgrain;
fvec_t * woodblock;
aubio_onsetdetection_t *o;
fvec_t *onset;
//fvec_t *onset_keep;
//fvec_t *onset_proc;
int post = 5;
int pre = 1;
int isonset = 0;
aubio_pickpeak_t * parms;
int aubio_process(float **input, float **output, int nframes) {
unsigned int i; /*channels*/
unsigned int j; /*frames*/
unsigned int pos = 0; /*frames%dspblocksize*/
//unsigned int ons = 0; /*onset counter*/
for (j=0;j<nframes;j++) {
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) {
aubio_pvoc_do (pv,ibuf, fftgrain);
aubio_onsetdetection(o,fftgrain, onset);
fprintf(stderr,"onsetfunc: %f\n",onset->data[0][0]);
isonset = aubio_peakpick_pimrt(onset,parms);
if (isonset) {
/* test for silence */
if (aubio_silence_detection(ibuf, threshold2)==1)
isonset=0;
else
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.;
}
//aubio_pvoc_rdo(pv,fftgrain, obuf);
pos = -1; /* so it will be zero next j loop */
}
pos++;
}
return 1;
}
int main (int argc, char **argv) {
int frames;
//int pos;
aubio_file_t * file = NULL;
aubio_file_t * fileout = NULL;
aubio_file_t * onsetfile = new_file_ro(onset_filename);
parse_args(argc, argv);
if(!usejack)
{
debug("Opening files ...\n");
file = new_file_ro (input_filename);
file_info(file);
channels = aubio_file_channels(file);
if (output_filename != NULL)
fileout = new_file_wo(file, output_filename);
}
ibuf = new_fvec(overlap_size, channels);
obuf = new_fvec(overlap_size, channels);
woodblock = new_fvec(buffer_size,1);
fftgrain = new_cvec(buffer_size, channels);
file_read(onsetfile, overlap_size, woodblock);
/* phase vocoder */
debug("Phase voc init ... \n");
pv = new_aubio_pvoc(buffer_size, overlap_size, channels);
/* onset init */
debug("type_onset: %d\n", (int)type_onset);
debug("threshold : %f\n", threshold);
parms = new_aubio_peakpicker(threshold);
o = new_aubio_onsetdetection(type_onset,buffer_size,channels);
/*onset = new_fvec(overlap_size, channels);
for (frames=0;frames<overlap_size;frames++){
onset->data[0][frames] = 0.;
}*/
onset = new_fvec(0, channels);
//onset_keep = new_fvec(post+pre+1, channels);
//onset_proc = new_fvec(post+pre+1, channels);
// command line argument parsing
if(usejack) {
#ifdef JACK_SUPPORT
aubio_jack_t * jack_setup;
debug("Jack init ...\n");
jack_setup = new_aubio_jack(channels, channels,
(aubio_process_func_t)aubio_process);
/* initialise fftgrain */
aubio_pvoc_do (pv,ibuf, fftgrain);
debug("Jack activation ...\n");
aubio_jack_activate(jack_setup);
debug("Processing (Ctrl+C to quit) ...\n");
pause();
aubio_jack_close(jack_setup);
#endif
} else {
fvec_t * inputbuf ;
fvec_t * outputbuf;
/* file objects */
inputbuf = new_fvec(overlap_size, channels);
outputbuf = new_fvec(overlap_size, channels);
/* phasevoc init */
debug("Processing ...\n");
/** \bug phasevoc not initialized yet */
/* initialise fftgrain and input bug */
for (frames=0;frames<2;frames++) {
aubio_pvoc_do (pv,inputbuf, fftgrain);
}
/** start filling the phasevoc */
//for (frames=0;frames<1;frames++) {
//file_read(file, overlap_size, inputbuf);
//aubio_pvoc_do (pv,inputbuf, fftgrain);
/** \bug onset is still badly initialized */
//aubio_onsetdetection(o,fftgrain, onset);
//}
//debug("coucou\n");
frames = 0;
while ((overlap_size == file_read(file, overlap_size, inputbuf)) )
{
isonset=0;
aubio_process(inputbuf->data, outputbuf->data, overlap_size);
if (isonset) {
/*output times in seconds*/
//errmsg("%f\n",(frames-1)*overlap_size/(float)samplerate);
errmsg("%f\n",(frames-3)*overlap_size/(float)samplerate);
}
if (output_filename != NULL)
file_write(fileout,overlap_size,outputbuf);
frames++;
}
debug("Processed %d frames of %d samples.\n", frames, buffer_size);
del_file(file);
if (output_filename != NULL)
del_file(fileout);
}
del_aubio_pvoc(pv);
del_fvec(obuf);
del_fvec(ibuf);
del_cvec(fftgrain);
//del_fvec(onset_keep);
//del_fvec(onset_proc);
del_fvec(onset);
debug("End of program.\n");
fflush(stderr);
return 0;
}