From ed80243aefbb12d789fde6fb1bb4312c3d92867b Mon Sep 17 00:00:00 2001
From: Paul Brossier <piem@piem.org>
Date: Thu, 6 Dec 2018 13:17:47 +0100
Subject: [PATCH] [awhitening] use shortest length available (closes gh-216)

---
 src/spectral/awhitening.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/spectral/awhitening.c b/src/spectral/awhitening.c
index 812bb207..1543544c 100644
--- a/src/spectral/awhitening.c
+++ b/src/spectral/awhitening.c
@@ -43,7 +43,8 @@ void
 aubio_spectral_whitening_do (aubio_spectral_whitening_t * o, cvec_t * fftgrain)
 {
   uint_t i = 0;
-  for (i = 0; i < o->peak_values->length; i++) {
+  uint_t length = MIN(fftgrain->length, o->peak_values->length);
+  for (i = 0; i < length; i++) {
     smpl_t tmp = MAX(o->r_decay * o->peak_values->data[i], o->floor);
     o->peak_values->data[i] = MAX(fftgrain->norm[i], tmp);
     fftgrain->norm[i] /= o->peak_values->data[i];
-- 
2.11.0