From 6dfe865aed25b52b181afddd37e1622d34f57d0b Mon Sep 17 00:00:00 2001 From: "Ronald S. Bultje" Date: Mon, 5 Mar 2012 17:03:32 -0800 Subject: svq3: protect against negative quantizers. Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind CC: libav-stable@libav.org (cherry picked from commit 11b940a1a8e7e5d5b212935a3ce78aeda577f5f2) Signed-off-by: Reinhard Tartler --- libavcodec/svq3.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'libavcodec/svq3.c') diff --git a/libavcodec/svq3.c b/libavcodec/svq3.c index 662d74d6fb..ec9d791295 100644 --- a/libavcodec/svq3.c +++ b/libavcodec/svq3.c @@ -649,7 +649,7 @@ static int svq3_decode_mb(SVQ3Context *svq3, unsigned int mb_type) if (IS_INTRA16x16(mb_type) || (s->pict_type != AV_PICTURE_TYPE_I && s->adaptive_quant && cbp)) { s->qscale += svq3_get_se_golomb(&s->gb); - if (s->qscale > 31){ + if (s->qscale > 31u){ av_log(h->s.avctx, AV_LOG_ERROR, "qscale:%d\n", s->qscale); return -1; } -- cgit v1.2.3