From 2a7063de547b1d8fb1cef523469390fb59fb2c50 Mon Sep 17 00:00:00 2001 From: Michael Niedermayer Date: Sat, 14 Apr 2012 14:50:25 +0200 Subject: [PATCH] wmalosslessdec: fix a get_bits(0) in decode_ac_filter Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind Signed-off-by: Michael Niedermayer --- libavcodec/wmalosslessdec.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/libavcodec/wmalosslessdec.c b/libavcodec/wmalosslessdec.c index 1904a1c625..a806c38a6f 100644 --- a/libavcodec/wmalosslessdec.c +++ b/libavcodec/wmalosslessdec.c @@ -407,7 +407,7 @@ static void decode_ac_filter(WmallDecodeCtx *s) s->acfilter_scaling = get_bits(&s->gb, 4); for (i = 0; i < s->acfilter_order; i++) - s->acfilter_coeffs[i] = get_bits(&s->gb, s->acfilter_scaling) + 1; + s->acfilter_coeffs[i] = (s->acfilter_scaling ? get_bits(&s->gb, s->acfilter_scaling) : 0) + 1; } static void decode_mclms(WmallDecodeCtx *s)