diff options
| -rw-r--r-- | libavcodec/ituh263dec.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/libavcodec/ituh263dec.c b/libavcodec/ituh263dec.c index e36521062f..98c8cfc137 100644 --- a/libavcodec/ituh263dec.c +++ b/libavcodec/ituh263dec.c @@ -750,6 +750,8 @@ int ff_h263_decode_mb(MpegEncContext *s, } if(IS_DIRECT(mb_type)){ + if (!s->pp_time) + return AVERROR_INVALIDDATA; s->mv_dir = MV_DIR_FORWARD | MV_DIR_BACKWARD | MV_DIRECT; mb_type |= ff_mpeg4_set_direct_mv(s, 0, 0); }else{ |