From: Paul Brossier <piem@piem.org>
Date: Sat, 28 Dec 2013 23:39:05 +0000 (-0400)
Subject: examples/aubioonset.c: synth only when need be
X-Git-Tag: 0.4.1~102^2~21
X-Git-Url: https://git.aubio.org/?a=commitdiff_plain;h=822190cd6836d85b9a3cfad4e27031f6a20ac43e;p=aubio.git

examples/aubioonset.c: synth only when need be
---

diff --git a/examples/aubioonset.c b/examples/aubioonset.c
index 0a3094cf..814dea9c 100644
--- a/examples/aubioonset.c
+++ b/examples/aubioonset.c
@@ -31,9 +31,10 @@ smpl_t is_onset;
 
 void
 process_block(fvec_t *ibuf, fvec_t *obuf) {
-  fvec_zeros(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 );
   } else {