From ce6f652fdaa4e0aacb39cba4193020eea7a4cf14 Mon Sep 17 00:00:00 2001
From: Paul Brossier <piem@piem.org>
Date: Fri, 31 Jul 2015 22:25:30 +0200
Subject: [PATCH] src/tempo/tempo.c: add silence detection (closes #23), add
 old behavior in examples/aubiotrack.c

---
 examples/aubiotrack.c | 2 ++
 src/tempo/tempo.c     | 2 --
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/examples/aubiotrack.c b/examples/aubiotrack.c
index 8bae20d2..ab0c2d7d 100644
--- a/examples/aubiotrack.c
+++ b/examples/aubiotrack.c
@@ -70,6 +70,8 @@ int main(int argc, char **argv) {
 
   tempo_out = new_fvec(2);
   tempo = new_aubio_tempo(tempo_method, buffer_size, hop_size, samplerate);
+  // 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);
 
   wavetable = new_aubio_wavetable (samplerate, hop_size);
diff --git a/src/tempo/tempo.c b/src/tempo/tempo.c
index c2b297bb..929076eb 100644
--- a/src/tempo/tempo.c
+++ b/src/tempo/tempo.c
@@ -109,11 +109,9 @@ void aubio_tempo_do(aubio_tempo_t *o, fvec_t * input, fvec_t * tempo)
     if (o->blockpos == FLOOR(o->out->data[i])) {
       tempo->data[0] = o->out->data[i] - FLOOR(o->out->data[i]); /* set tactus */
       /* test for silence */
-      /*
       if (aubio_silence_detection(input, o->silence)==1) {
         tempo->data[0] = 0; // unset beat if silent
       }
-      */
       o->last_beat = o->total_frames + (uint_t)ROUND(tempo->data[0] * o->hop_size);
     }
   }
-- 
2.11.0