From: Paul Brossier <piem@piem.org>
Date: Thu, 29 Sep 2016 12:23:58 +0000 (+0200)
Subject: src/effects/timestretch_rubberband.c: invert stretch ratio
X-Git-Url: https://git.aubio.org/?a=commitdiff_plain;h=fb5bd55fc0e5517bf37b12311f7aaa86f2826f18;p=aubio.git

src/effects/timestretch_rubberband.c: invert stretch ratio
---

diff --git a/src/effects/timestretch_rubberband.c b/src/effects/timestretch_rubberband.c
index 2f259dfc..c2f383fc 100644
--- a/src/effects/timestretch_rubberband.c
+++ b/src/effects/timestretch_rubberband.c
@@ -31,7 +31,7 @@
 #include "rubberband/rubberband-c.h"
 
 #define MIN_STRETCH_RATIO 0.025
-#define MAX_STRETCH_RATIO 10.
+#define MAX_STRETCH_RATIO 40.
 
 /** generic time stretching structure */
 struct _aubio_timestretch_t
@@ -133,7 +133,7 @@ aubio_timestretch_set_stretch (aubio_timestretch_t * p, smpl_t stretch)
 {
   if (stretch >= MIN_STRETCH_RATIO && stretch <= MAX_STRETCH_RATIO) {
     p->stretchratio = stretch;
-    rubberband_set_time_ratio(p->rb, p->stretchratio);
+    rubberband_set_time_ratio(p->rb, 1./p->stretchratio);
     return AUBIO_OK;
   } else {
     AUBIO_ERR("timestretch: could not set stretch ratio to %.2f\n", stretch);