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| author | Ronald S. Bultje <rsbultje@gmail.com> | 2012-03-05 17:03:32 -0800 |
|---|---|---|
| committer | Reinhard Tartler <siretart@tauware.de> | 2012-03-08 22:07:55 +0100 |
| commit | 7b676935ee885d66d106436ec1acabdb8e335eca (patch) | |
| tree | 225aac492b41b08a98c159ae14de69ff9a3510bd | |
| parent | 9550c631963bbae78e9d33fa7f05f7138518dc8e (diff) | |
| download | ffmpeg-7b676935ee885d66d106436ec1acabdb8e335eca.tar.gz | |
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 <siretart@tauware.de>
| -rw-r--r-- | libavcodec/svq3.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/libavcodec/svq3.c b/libavcodec/svq3.c index eeb8ed7051..49ca456bef 100644 --- a/libavcodec/svq3.c +++ b/libavcodec/svq3.c @@ -651,7 +651,7 @@ 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; } |