diff options
| -rw-r--r-- | libavcodec/vc1_block.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/libavcodec/vc1_block.c b/libavcodec/vc1_block.c index dfaaab700b..86320db959 100644 --- a/libavcodec/vc1_block.c +++ b/libavcodec/vc1_block.c @@ -207,7 +207,7 @@ static void vc1_put_blocks_clamped(VC1Context *v, int put_signed) if ((edges&8) && \ s->mb_y == ((s->mb_height >> v->field_mode) - 1)) \ mquant = -v->altpq; \ - if (!mquant || mquant > 31) { \ + if (!mquant || mquant > 31 || mquant < -31) { \ av_log(v->s.avctx, AV_LOG_ERROR, \ "Overriding invalid mquant %d\n", mquant); \ mquant = 1; \ |