/*
- Copyright (C) 2003 Paul Brossier
+ Copyright (C) 2003-2013 Paul Brossier <piem@aubio.org>
- 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 file is part of aubio.
- 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.
+ 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/>.
- 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"
-
-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 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_do (bt,ibuf,tempo_out);
- if (tempo_out->data[0][0]>0)
- istactus = tempo_out->data[0][0];
- else
- istactus = 0;
- if (tempo_out->data[0][1]>0)
- isonset = tempo_out->data[0][0];
- else
- isonset = 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++;
+#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 );
}
- return 1;
+ if (mix_input)
+ aubio_wavetable_do (wavetable, ibuf, obuf);
+ else
+ aubio_wavetable_do (wavetable, obuf, obuf);
}
-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,channels);
- bt = new_aubio_tempo(onset_mode,buffer_size,overlap_size,channels, samplerate);
+ verbmsg ("using source: %s at %dHz\n", source_uri, samplerate);
- examples_common_process(aubio_process,process_print);
+ verbmsg ("tempo method: %s, ", tempo_method);
+ verbmsg ("buffer_size: %d, ", buffer_size);
+ verbmsg ("hop_size: %d, ", hop_size);
+ verbmsg ("threshold: %f\n", onset_threshold);
- del_aubio_tempo(bt);
- del_fvec(tempo_out);
+ 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);
- examples_common_del();
+ wavetable = new_aubio_wavetable (samplerate, hop_size);
+ aubio_wavetable_set_freq ( wavetable, 2450.);
+ //aubio_sampler_load (sampler, "/archives/sounds/woodblock.aiff");
- debug("End of program.\n");
+ examples_common_process((aubio_process_func_t)process_block,process_print);
- fflush(stderr);
+ // send a last note off
+ if (usejack) {
+ send_noteon (miditap_note, 0);
+ }
- return 0;
-}
+ del_aubio_tempo(tempo);
+ del_aubio_wavetable (wavetable);
+ del_fvec(tempo_out);
+beach:
+ examples_common_del();
+ return ret;
+}
projects / aubio.git / blobdiff