ref: 23a44c142a08aeedde8c358f9e116ccaf86db4d2
dir: /examples/utils.c/
#include "aubio.h"
#ifndef JACK_SUPPORT
#define JACK_SUPPORT 0
#endif
#include <getopt.h>
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <math.h> /* for isfinite */
#include "utils.h"
/* not supported yet */
#ifdef LADCCA_SUPPORT
#include <ladcca/ladcca.h>
cca_client_t * aubio_cca_client;
#endif /* LADCCA_SUPPORT */
/* settings */
const char * output_filename = NULL;
const char * input_filename = NULL;
const char * onset_filename = "/usr/share/sounds/aubio/woodblock.aiff";
int frames = 0;
int verbose = 0;
int usejack = 0;
int usedoubled = 1;
/* energy,specdiff,hfc,complexdomain,phase */
aubio_onsetdetection_type type_onset = hfc;
aubio_onsetdetection_type type_onset2 = complexdomain;
smpl_t threshold = 0.3;
smpl_t threshold2 = -90.;
uint_t buffer_size = 1024;
uint_t overlap_size = 512;
uint_t channels = 1;
uint_t samplerate = 44100;
aubio_file_t * file = NULL;
aubio_file_t * fileout = NULL;
aubio_pvoc_t * pv;
fvec_t * ibuf;
fvec_t * obuf;
cvec_t * fftgrain;
fvec_t * woodblock;
aubio_onsetdetection_t *o;
aubio_onsetdetection_t *o2;
fvec_t *onset;
fvec_t *onset2;
int isonset = 0;
aubio_pickpeak_t * parms;
/* pitch objects */
smpl_t pitch = 0.;
aubio_pitchdetection_t * pitchdet;
aubio_pitchdetection_type mode = aubio_yin; // aubio_mcomb
uint_t median = 6;
fvec_t * note_buffer = NULL;
fvec_t * note_buffer2 = NULL;
smpl_t curlevel = 0.;
smpl_t maxonset = 0.;
/* midi objects */
aubio_midi_player_t * mplay;
aubio_midi_driver_t * mdriver;
aubio_midi_event_t * event;
smpl_t curnote = 0.;
smpl_t newnote = 0.;
uint_t isready = 0;
/* badly redeclare some things */
aubio_onsetdetection_type type_onset;
smpl_t threshold;
smpl_t averaging;
const char * prog_name;
void usage (FILE * stream, int exit_code)
{
fprintf(stream, "usage: %s [ options ] \n", prog_name);
fprintf(stream,
" -j --jack Use Jack.\n"
" -o --output Output type.\n"
" -i --input Input type.\n"
" -h --help Display this message.\n"
" -v --verbose Print verbose message.\n"
);
exit(exit_code);
}
int parse_args (int argc, char **argv) {
const char *options = "hvjo:i:O:t:a";
int next_option;
struct option long_options[] =
{
{"help", 0, NULL, 'h'},
{"verbose", 0, NULL, 'v'},
{"jack", 0, NULL, 'j'},
{"output", 0, NULL, 'o'},
{"input", 0, NULL, 'i'},
{"onset", 0, NULL, 'O'},
{"threshold", 0, NULL, 't'},
{"averaging", 0, NULL, 'a'},
{NULL, 0, NULL, 0}
};
prog_name = argv[0];
if( argc < 1 ) {
usage (stderr, 1);
return -1;
}
do {
next_option = getopt_long (argc, argv, options,
long_options, NULL);
switch (next_option) {
case 'o':
output_filename = optarg;
break;
case 'i':
input_filename = optarg;
break;
case 'h': /* help */
usage (stdout, 0);
return -1;
case 'v': /* verbose */
verbose = 1;
break;
case 'j': /* verbose */
usejack = 1;
break;
case 'O': /*onset type*/
if (strcmp(optarg,"energy") == 0)
type_onset = energy;
else if (strcmp(optarg,"specdiff") == 0)
type_onset = specdiff;
else if (strcmp(optarg,"hfc") == 0)
type_onset = hfc;
else if (strcmp(optarg,"complexdomain") == 0)
type_onset = complexdomain;
else if (strcmp(optarg,"phase") == 0)
type_onset = phase;
else {
debug("could not get onset type.\n");
abort();
}
usedoubled = 0;
break;
case 't': /* threshold value for onset */
threshold = (smpl_t)atof(optarg);
/*
if (!isfinite(threshold)) {
debug("could not get threshold.\n");
abort();
}
*/
break;
case 'a':
averaging = 1;
break;
case '?': /* unknown options */
usage(stderr, 1);
break;
case -1: /* done with options */
break;
default: /*something else unexpected */
abort ();
}
}
while (next_option != -1);
if (input_filename != NULL) {
debug ("Input file : %s\n", input_filename );
} else if (input_filename != NULL && output_filename != NULL) {
debug ("Input file : %s\n", input_filename );
debug ("Output file : %s\n", output_filename );
} else {
if (JACK_SUPPORT)
{
debug ("Jack input output\n");
usejack = 1;
} else {
debug ("Error: Could not switch to jack mode\n aubio was compiled without jack support\n");
exit(1);
}
}
return 0;
}
void examples_common_init(int argc,char ** argv) {
aubio_file_t * onsetfile = new_file_ro(onset_filename);
/* parse command line arguments */
parse_args(argc, argv);
if(!usejack)
{
debug("Opening files ...\n");
file = new_file_ro (input_filename);
if (verbose) file_info(file);
channels = aubio_file_channels(file);
samplerate = aubio_file_samplerate(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);
if (usepitch) {
pitchdet = new_aubio_pitchdetection(buffer_size*4,
overlap_size, channels, samplerate, mode, aubio_freq);
if (median) {
note_buffer = new_fvec(median, 1);
note_buffer2= new_fvec(median, 1);
}
}
/* read the output sound once */
file_read(onsetfile, overlap_size, woodblock);
/* phase vocoder */
pv = new_aubio_pvoc(buffer_size, overlap_size, channels);
/* onsets */
parms = new_aubio_peakpicker(threshold);
o = new_aubio_onsetdetection(type_onset,buffer_size,channels);
onset = new_fvec(1, channels);
if (usedoubled) {
o2 = new_aubio_onsetdetection(type_onset2,buffer_size,channels);
onset2 = new_fvec(1 , channels);
}
}
void examples_common_del(void){
if (usepitch) {
send_noteon(curnote,0);
del_aubio_pitchdetection(pitchdet);
if (median) {
del_fvec(note_buffer);
del_fvec(note_buffer2);
}
}
del_aubio_pvoc(pv);
del_fvec(obuf);
del_fvec(ibuf);
del_cvec(fftgrain);
del_fvec(onset);
}
void examples_common_process(aubio_process_func_t process_func, aubio_print_func_t print ){
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)process_func);
if (usepitch) {
debug("Midi init ...\n");
mplay = new_aubio_midi_player();
mdriver = new_aubio_midi_driver("alsa_seq",
(handle_midi_event_func_t)aubio_midi_send_event, mplay);
event = new_aubio_midi_event();
}
debug("Jack activation ...\n");
aubio_jack_activate(jack_setup);
debug("Processing (Ctrl+C to quit) ...\n");
pause();
aubio_jack_close(jack_setup);
if (usepitch) {
send_noteon(curnote,0);
del_aubio_midi_driver(mdriver);
}
#else
usage(stderr, 1);
outmsg("Compiled without jack output, exiting.\n");
#endif
} else {
/* phasevoc */
debug("Processing ...\n");
frames = 0;
while (overlap_size == file_read(file, overlap_size, ibuf))
{
isonset=0;
process_func(ibuf->data, obuf->data, overlap_size);
print();
if (output_filename != NULL) {
file_write(fileout,overlap_size,obuf);
}
frames++;
}
debug("Processed %d frames of %d samples.\n", frames, buffer_size);
del_file(file);
if (output_filename != NULL)
del_file(fileout);
}
}
void send_noteon(int pitch, int velo)
{
smpl_t mpitch = (FLOOR)(freqtomidi(pitch)+.5);
/* we should check if we use midi here, not jack */
#if ALSA_SUPPORT
if (usejack) {
if (velo==0) {
aubio_midi_event_set_type(event,NOTE_OFF);
} else {
aubio_midi_event_set_type(event,NOTE_ON);
}
aubio_midi_event_set_channel(event,0);
aubio_midi_event_set_pitch(event,mpitch);
aubio_midi_event_set_velocity(event,velo);
aubio_midi_direct_output(mdriver,event);
} else
#endif
if (!verbose)
{
if (velo==0) {
outmsg("%f\n",frames*overlap_size/(float)samplerate);
} else {
outmsg("%f\t%f\t", mpitch,
frames*overlap_size/(float)samplerate);
}
}
}
void note_append(fvec_t * note_buffer, smpl_t curnote) {
uint_t i = 0;
for (i = 0; i < note_buffer->length - 1; i++) {
note_buffer->data[0][i] = note_buffer->data[0][i+1];
}
note_buffer->data[0][note_buffer->length - 1] = curnote;
return;
}
uint_t get_note(fvec_t *note_buffer, fvec_t *note_buffer2){
uint_t i = 0;
for (i = 0; i < note_buffer->length; i++) {
note_buffer2->data[0][i] = note_buffer->data[0][i];
}
return vec_median(note_buffer2);
}