examples/aubio{trac,onset}.c: add silence option

[aubio.git] / examples / aubioonset.c

diff --git a/examples/aubioonset.c b/examples/aubioonset.c
index d8c7987..09ce0e4 100644 (file)
--- a/examples/aubioonset.c
+++ b/examples/aubioonset.c
@@ -27,12 +27,17 @@
 aubio_onset_t *o;
 aubio_wavetable_t *wavetable;
 fvec_t *onset;
+smpl_t is_onset;
+uint_t is_silence = 0.;
 
 void
 process_block(fvec_t *ibuf, fvec_t *obuf) {
   fvec_zeros(obuf);
   aubio_onset_do (o, ibuf, onset);
-  if ( fvec_read_sample(onset, 0) ) {
+  if (silence_threshold != -90.)
+    is_silence = aubio_silence_detection(ibuf, silence_threshold);
+  is_onset = fvec_read_sample(onset, 0);
+  if ( is_onset && !is_silence ) {
     aubio_wavetable_play ( wavetable );
   } else {
     aubio_wavetable_stop ( wavetable );
@@ -46,8 +51,7 @@ process_block(fvec_t *ibuf, fvec_t *obuf) {
 void
 process_print (void)
 {
-  smpl_t onset_found = fvec_read_sample (onset, 0);
-  if (onset_found) {
+  if ( is_onset && !is_silence ) {
     outmsg ("%f\n", aubio_onset_get_last_s (o) );
   }
 }
@@ -59,6 +63,7 @@ int main(int argc, char **argv) {
   verbmsg ("onset method: %s, ", onset_method);
   verbmsg ("buffer_size: %d, ", buffer_size);
   verbmsg ("hop_size: %d, ", hop_size);
+  verbmsg ("threshold: %f, ", silence_threshold);
   verbmsg ("threshold: %f\n", onset_threshold);
 
   o = new_aubio_onset (onset_method, buffer_size, hop_size, samplerate);