diff options
Diffstat (limited to 'libavcodec')
| -rw-r--r-- | libavcodec/h263.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/libavcodec/h263.c b/libavcodec/h263.c index d6da47ad48..316751269a 100644 --- a/libavcodec/h263.c +++ b/libavcodec/h263.c @@ -2499,6 +2499,11 @@ static int mpeg4_decode_video_packet_header(MpegEncContext *s) fprintf(stderr, "illegal mb_num in video packet (%d %d) \n", mb_num, s->mb_num); return -1; } + if(s->pict_type == B_TYPE){ + while(s->next_picture.mbskip_table[ mb_num ]) mb_num++; + if(mb_num >= s->mb_num) return -1; // slice contains just skiped MBs which where allready decoded + } + s->mb_x= mb_num % s->mb_width; s->mb_y= mb_num / s->mb_width; |