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| author | Mashiat Sarker Shakkhar <shahriman_ams@yahoo.com> | 2012-03-24 15:49:34 -0700 |
|---|---|---|
| committer | Ronald S. Bultje <rsbultje@gmail.com> | 2012-03-26 17:48:13 -0700 |
| commit | 95b192de5d05f3e1542e7b2378cdefbc195f5185 (patch) | |
| tree | 92c0653d19740b9374783bc757834d912bc916dc /libavcodec/vc1.c | |
| parent | 2ad405548b754751a33f7d8532604eae7fe4ce54 (diff) | |
| download | ffmpeg-95b192de5d05f3e1542e7b2378cdefbc195f5185.tar.gz | |
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 <rsbultje@gmail.com>
Diffstat (limited to 'libavcodec/vc1.c')
| -rw-r--r-- | libavcodec/vc1.c | 2 |
1 files changed, 1 insertions, 1 deletions
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; } |