From 6ae5101fb43846dea3ae6613d6f8ce04e5294572 Mon Sep 17 00:00:00 2001
From: Jean-Marc Valin <jmvalin@jmvalin.ca>
Date: Fri, 11 May 2012 12:09:05 -0400
Subject: [PATCH] Fixes a fixed-point overflow by scaling pitch search more
conservatively
---
celt/pitch.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/celt/pitch.c b/celt/pitch.c
index c01ea55ef..37fec8a8c 100644
--- a/celt/pitch.c
+++ b/celt/pitch.c
@@ -114,7 +114,7 @@ void pitch_downsample(celt_sig * restrict x[], opus_val16 * restrict x_lp,
opus_val32 maxabs = MAX32(1, celt_maxabs32(x[0], len));
if (C==2)
maxabs = MAX32(maxabs, celt_maxabs32(x[1], len));
- shift = IMAX(0,celt_ilog2(maxabs)-11);
+ shift = IMAX(0,celt_ilog2(maxabs)-10);
if (C==2)
shift++;
#endif
--
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