From f18d2dff1194b34b79dc7641aafe54d1df349e40 Mon Sep 17 00:00:00 2001
From: Michael Niedermayer <michaelni@gmx.at>
Date: Sat, 4 May 2013 02:47:58 +0200
Subject: [PATCH] evrcdec: fix sign error
The specification wants round(abs(x))) * sign(x) which is
equivakent to round(x)
Fixes out of array access
Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
---
libavcodec/evrcdec.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/libavcodec/evrcdec.c b/libavcodec/evrcdec.c
index f0e594fdde7..f104e3313be 100644
--- a/libavcodec/evrcdec.c
+++ b/libavcodec/evrcdec.c
@@ -374,7 +374,7 @@ static void bl_intrp(EVRCContext *e, float *ex, float delay)
int offset, i, coef_idx;
int16_t t;
- offset = lrintf(fabs(delay));
+ offset = lrintf(delay);
t = (offset - delay + 0.5) * 8.0 + 0.5;
if (t == 8) {
--
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