From 95b192de5d05f3e1542e7b2378cdefbc195f5185 Mon Sep 17 00:00:00 2001 From: Mashiat Sarker Shakkhar Date: Sat, 24 Mar 2012 15:49:34 -0700 Subject: vc1: Do not read from array if index is invalid. Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind CC: libav-stable@libav.org Signed-off-by: Ronald S. Bultje --- libavcodec/vc1.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'libavcodec/vc1.c') diff --git a/libavcodec/vc1.c b/libavcodec/vc1.c index 433baa9862..0e218af759 100644 --- a/libavcodec/vc1.c +++ b/libavcodec/vc1.c @@ -492,7 +492,7 @@ static int decode_sequence_header_adv(VC1Context *v, GetBitContext *gb) int nr, dr; nr = get_bits(gb, 8); dr = get_bits(gb, 4); - if (nr && nr < 8 && dr && dr < 3) { + if (nr > 0 && nr < 8 && dr > 0 && dr < 3) { v->s.avctx->time_base.num = ff_vc1_fps_dr[dr - 1]; v->s.avctx->time_base.den = ff_vc1_fps_nr[nr - 1] * 1000; } -- cgit v1.2.3