/*
- Copyright (C) 2003-2009 Paul Brossier <piem@aubio.org>
+ Copyright (C) 2003-2013 Paul Brossier <piem@aubio.org>
This file is part of aubio.
*/
-#include <aubio.h>
#include "utils.h"
-
-uint_t pos = 0; /* frames%dspblocksize */
-fvec_t * tempo_out = NULL;
-aubio_tempo_t * bt = NULL;
-smpl_t istactus = 0;
-smpl_t isonset = 0;
-
-static int aubio_process(smpl_t **input, smpl_t **output, int nframes) {
- unsigned int j; /*frames*/
- for (j=0;j<(unsigned)nframes;j++) {
- if(usejack) {
- /* write input to datanew */
- fvec_write_sample(ibuf, input[0][j], pos);
- /* put synthnew in output */
- output[0][j] = fvec_read_sample(obuf, pos);
- }
- /*time for fft*/
- if (pos == overlap_size-1) {
- /* block loop */
- aubio_tempo_do (bt,ibuf,tempo_out);
- istactus = fvec_read_sample (tempo_out, 0);
- isonset = fvec_read_sample (tempo_out, 1);
- if (istactus > 0.) {
- fvec_copy (woodblock, obuf);
- } else {
- fvec_zeros (obuf);
- }
- /* end of block loop */
- pos = -1; /* so it will be zero next j loop */
- }
- pos++;
+#define PROG_HAS_TEMPO 1
+#define PROG_HAS_ONSET 1
+#define PROG_HAS_SILENCE 1
+#define PROG_HAS_OUTPUT 1
+#define PROG_HAS_JACK 1
+#include "parse_args.h"
+
+aubio_tempo_t * tempo;
+aubio_wavetable_t *wavetable;
+fvec_t * tempo_out;
+smpl_t is_beat = 0.;
+uint_t is_silence = 0;
+
+void process_block(fvec_t * ibuf, fvec_t *obuf) {
+ aubio_tempo_do (tempo, ibuf, tempo_out);
+ is_beat = fvec_get_sample (tempo_out, 0);
+ if (silence_threshold != -90.)
+ is_silence = aubio_silence_detection(ibuf, silence_threshold);
+ if ( !usejack && ! sink_uri ) return;
+ fvec_zeros (obuf);
+ if ( is_beat && !is_silence ) {
+ aubio_wavetable_play ( wavetable );
+ /* send a midi tap (default to C0) out to the midi output */
+ if (usejack) send_noteon(miditap_note, miditap_velo);
+ } else {
+ aubio_wavetable_stop ( wavetable );
+ }
+ if (mix_input) {
+ aubio_wavetable_do (wavetable, ibuf, obuf);
+ } else {
+ aubio_wavetable_do (wavetable, obuf, obuf);
}
- return 1;
}
-static void process_print (void) {
- if (output_filename == NULL) {
- if (istactus) {
- outmsg("%f\n",((smpl_t)(frames*overlap_size)+(istactus-1.)*overlap_size)/(smpl_t)samplerate);
- }
- if (isonset && verbose)
- outmsg(" \t \t%f\n",(frames)*overlap_size/(float)samplerate);
- }
+void process_print (void) {
+ if ( is_beat && !is_silence ) {
+ print_time (aubio_tempo_get_last (tempo));
+ outmsg ("\n");
+ }
}
int main(int argc, char **argv) {
-
+ int ret = 0;
+ // override general settings from utils.c
buffer_size = 1024;
- overlap_size = 512;
- /* override default settings */
+ hop_size = 512;
+
examples_common_init(argc,argv);
- tempo_out = new_fvec(2);
- bt = new_aubio_tempo(onset_mode,buffer_size,overlap_size, samplerate);
- if (threshold != 0.) aubio_tempo_set_threshold (bt, threshold);
+ verbmsg ("using source: %s at %dHz\n", source_uri, samplerate);
+
+ verbmsg ("tempo method: %s, ", tempo_method);
+ verbmsg ("buffer_size: %d, ", buffer_size);
+ verbmsg ("hop_size: %d, ", hop_size);
+ verbmsg ("threshold: %f\n", onset_threshold);
- examples_common_process(aubio_process,process_print);
+ tempo_out = new_fvec(2);
+ tempo = new_aubio_tempo(tempo_method, buffer_size, hop_size, samplerate);
+ if (tempo == NULL) { ret = 1; goto beach; }
+ // set silence threshold very low to output beats even during silence
+ // aubio_tempo_set_silence(tempo, -1000.);
+ if (onset_threshold != 0.) aubio_tempo_set_threshold (tempo, onset_threshold);
+ if (onset_minioi != 0.) errmsg ("warning: minioio not supported yet\n");
+
+ wavetable = new_aubio_wavetable (samplerate, hop_size);
+ aubio_wavetable_set_freq ( wavetable, 2450.);
+ //aubio_sampler_load (sampler, "/archives/sounds/woodblock.aiff");
+
+ examples_common_process((aubio_process_func_t)process_block,process_print);
+
+ // send a last note off
+ if (usejack) {
+ send_noteon (miditap_note, 0);
+ }
- del_aubio_tempo(bt);
+ del_aubio_tempo(tempo);
+ del_aubio_wavetable (wavetable);
del_fvec(tempo_out);
+beach:
examples_common_del();
-
- debug("End of program.\n");
-
- fflush(stderr);
-
- return 0;
+ return ret;
}
-