examples/: also emit midi note from aubioonset, thanks to topas-rec (closes #62)

[aubio.git] / examples / aubioonset.c

diff --git a/examples/aubioonset.c b/examples/aubioonset.c
index 0a3094c..69e7bc9 100644 (file)
--- a/examples/aubioonset.c
+++ b/examples/aubioonset.c
@@ -29,13 +29,16 @@ aubio_wavetable_t *wavetable;
 fvec_t *onset;
 smpl_t is_onset;
 
-void
-process_block(fvec_t *ibuf, fvec_t *obuf) {
-  fvec_zeros(obuf);
+void process_block(fvec_t *ibuf, fvec_t *obuf)
+{
   aubio_onset_do (o, ibuf, onset);
   is_onset = fvec_get_sample(onset, 0);
+  if ( !usejack && ! sink_uri ) return;
+  fvec_zeros(obuf);
   if ( is_onset ) {
     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 );
   }
@@ -45,11 +48,11 @@ process_block(fvec_t *ibuf, fvec_t *obuf) {
     aubio_wavetable_do (wavetable, obuf, obuf);
 }
 
-void
-process_print (void)
+void process_print (void)
 {
   if ( is_onset ) {
-    outmsg ("%f\n", aubio_onset_get_last_s (o) );
+    print_time(aubio_onset_get_last (o));
+    outmsg ("\n");
   }
 }
 
@@ -77,6 +80,9 @@ int main(int argc, char **argv) {
 
   examples_common_process((aubio_process_func_t)process_block, process_print);
 
+  // send a last note off
+  send_noteon (miditap_note, 0);
+
   del_aubio_onset (o);
   del_aubio_wavetable (wavetable);
   del_fvec (onset);