From eda57aa3868c6606eacb3580e0cf75fe48e2a26d Mon Sep 17 00:00:00 2001
From: Jean-Marc Valin <jmvalin@jmvalin.ca>
Date: Thu, 3 Dec 2015 14:12:01 -0500
Subject: [PATCH] Fixes the transient detector on silence
Previously silence would cause the divide approximation on 0/0 to return a
very large value, which would be interpreted as a transient
---
celt/celt_encoder.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/celt/celt_encoder.c b/celt/celt_encoder.c
index 1c9dbcb22..1bb468008 100644
--- a/celt/celt_encoder.c
+++ b/celt/celt_encoder.c
@@ -343,9 +343,9 @@ static int transient_analysis(const opus_val32 * OPUS_RESTRICT in, int len, int
{
int id;
#ifdef FIXED_POINT
- id = IMAX(0,IMIN(127,MULT16_32_Q15(tmp[i],norm))); /* Do not round to nearest */
+ id = MAX32(0,MIN32(127,MULT16_32_Q15(tmp[i]+EPSILON,norm))); /* Do not round to nearest */
#else
- id = IMAX(0,IMIN(127,(int)floor(64*norm*tmp[i]))); /* Do not round to nearest */
+ id = (int)MAX32(0,MIN32(127,floor(64*norm*(tmp[i]+EPSILON)))); /* Do not round to nearest */
#endif
unmask += inv_table[id];
}
--
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