From cb0415db6f21cc0df0293b63e15f6a17b71457ef Mon Sep 17 00:00:00 2001
From: Paul Brossier <piem@piem.org>
Date: Thu, 6 Sep 2007 18:04:08 +0200
Subject: [PATCH] tempo.{c,h}: add aubio_tempo_get_bpm, which for now just
 calls aubio_beattracking_get_bpm, also update test-tempo.c

---
 examples/tests/test-tempo.c | 6 ++++++
 src/tempo.c                 | 4 ++++
 src/tempo.h                 | 9 +++++++++
 3 files changed, 19 insertions(+)

diff --git a/examples/tests/test-tempo.c b/examples/tests/test-tempo.c
index c7a9bd0d..84e1e32d 100644
--- a/examples/tests/test-tempo.c
+++ b/examples/tests/test-tempo.c
@@ -9,8 +9,14 @@ int main(){
         aubio_tempo_t * o  = new_aubio_tempo(aubio_onset_complex, win_s, win_s/4, channels);
         uint_t i = 0;
 
+        smpl_t curtempo;
+
         while (i < 1000) {
           aubio_tempo(o,in,out);
+          curtempo = aubio_tempo_get_bpm(o);
+          if (curtempo != 0.) {
+            fprintf(stdout,"%f\n",curtempo);
+          }
           i++;
         };
 
diff --git a/src/tempo.c b/src/tempo.c
index e077898b..328a7e7e 100644
--- a/src/tempo.c
+++ b/src/tempo.c
@@ -123,6 +123,10 @@ aubio_tempo_t * new_aubio_tempo (aubio_onsetdetection_type type_onset,
   return o;
 }
 
+smpl_t aubio_tempo_get_bpm(aubio_tempo_t *o) {
+  return aubio_beattracking_get_bpm(o->bt);
+}
+
 void del_aubio_tempo (aubio_tempo_t *o)
 {
   del_aubio_onsetdetection(o->od);
diff --git a/src/tempo.h b/src/tempo.h
index c2c835df..f3faf6e5 100644
--- a/src/tempo.h
+++ b/src/tempo.h
@@ -49,6 +49,15 @@ void aubio_tempo_set_silence(aubio_tempo_t * o, smpl_t silence);
 /** set tempo detection peak picking threshold  */
 void aubio_tempo_set_threshold(aubio_tempo_t * o, smpl_t threshold);
 
+/** get current tempo
+
+  \param bt beat tracking object
+
+  Returns the currently observed tempo, or 0 if no consistent value is found
+
+*/
+smpl_t aubio_tempo_get_bpm(aubio_tempo_t * bt);
+
 /** delete tempo detection object */
 void del_aubio_tempo(aubio_tempo_t * o);
 
-- 
2.26.2