From f2729ded66feac2ca5b6acbb52137b076d29e9ef Mon Sep 17 00:00:00 2001
From: Jean-Marc Valin <jmvalin@jmvalin.ca>
Date: Fri, 2 Nov 2012 18:47:47 -0400
Subject: [PATCH] Fixes a fixed-point divide-by-zero issue

---
 celt/celt.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/celt/celt.c b/celt/celt.c
index e57cb11d..58cf88d9 100644
--- a/celt/celt.c
+++ b/celt/celt.c
@@ -372,7 +372,7 @@ static inline opus_val16 SIG2WORD16(celt_sig x)
       }
 #endif
 
-      mean=EPSILON;
+      mean=0;
       mem0=0;
       /*  Grouping by two to reduce complexity */
       len/=2;
@@ -407,7 +407,7 @@ static inline opus_val16 SIG2WORD16(celt_sig x)
          ratio */
 
       /* Inverse of the mean energy in Q15+6 */
-      norm = SHL32(EXTEND32(len),6+14)/SHR32(mean,1);
+      norm = SHL32(EXTEND32(len),6+14)/ADD32(EPSILON,SHR32(mean,1));
       /* Compute harmonic mean discarding the unreliable boundaries
          The data is smooth, so we only take 1/4th of the samples */
       unmask=0;