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author | Michael Niedermayer <michaelni@gmx.at> | 2012-11-29 15:18:17 +0100 |
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committer | Reinhard Tartler <siretart@tauware.de> | 2013-02-19 08:10:03 +0100 |
commit | 52b18c1fde65efac7f6e6104b76d39bf8d0a34ee (patch) | |
tree | 310248f2679dddf92e3afdfbec65613132c7c265 | |
parent | 0b2b8ab979624b0cce673d5e99255482d7c553ad (diff) | |
download | ffmpeg-52b18c1fde65efac7f6e6104b76d39bf8d0a34ee.tar.gz |
roqvideodec: check dimensions validity
Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
(cherry picked from commit 3ae610451170cd5a28b33950006ff0bd23036845)
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
(cherry picked from commit fee26d352a52eb9f7fcd8d9167fb4a5ba015b612)
CC: libav-stable@libav.org
Signed-off-by: Reinhard Tartler <siretart@tauware.de>
(cherry picked from commit 488f87be873506abb01d67708a67c10a4dd29283)
Signed-off-by: Reinhard Tartler <siretart@tauware.de>
-rw-r--r-- | libavcodec/roqvideodec.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/libavcodec/roqvideodec.c b/libavcodec/roqvideodec.c index 2543cecb27..3ee62c01b5 100644 --- a/libavcodec/roqvideodec.c +++ b/libavcodec/roqvideodec.c @@ -159,6 +159,13 @@ static av_cold int roq_decode_init(AVCodecContext *avctx) RoqContext *s = avctx->priv_data; s->avctx = avctx; + + if (avctx->width % 16 || avctx->height % 16) { + av_log(avctx, AV_LOG_ERROR, + "Dimensions must be a multiple of 16\n"); + return AVERROR_PATCHWELCOME; + } + s->width = avctx->width; s->height = avctx->height; s->last_frame = &s->frames[0]; |