diff options
Diffstat (limited to 'libavcodec')
| -rw-r--r-- | libavcodec/vc1dec.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/libavcodec/vc1dec.c b/libavcodec/vc1dec.c index fd515c754e..c6cbfc1270 100644 --- a/libavcodec/vc1dec.c +++ b/libavcodec/vc1dec.c @@ -1048,6 +1048,11 @@ static void vc1_mc_4mv_chroma4(VC1Context *v) mquant = v->altpq; \ if ((edges&8) && s->mb_y == (s->mb_height - 1)) \ mquant = v->altpq; \ + if (!mquant || mquant > 31) { \ + av_log(v->s.avctx, AV_LOG_ERROR, \ + "Overriding invalid mquant %d\n", mquant); \ + mquant = 1; \ + } \ } /** |