diff options
| -rw-r--r-- | libavcodec/vc1.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/libavcodec/vc1.c b/libavcodec/vc1.c index 51f2a7c1a3..77d6828936 100644 --- a/libavcodec/vc1.c +++ b/libavcodec/vc1.c @@ -2318,6 +2318,7 @@ static inline void vc1_pred_b_mv(VC1Context *v, int dmv_x[2], int dmv_y[2], int off = (s->mb_x == (s->mb_width - 1)) ? -2 : 2; B = s->current_picture.motion_val[0][xy - wrap*2 + off]; + if(!s->mb_x) C[0] = C[1] = 0; if(!s->first_slice_line) { // predictor A is not out of bounds if(s->mb_width == 1) { px = A[0]; @@ -2395,6 +2396,7 @@ static inline void vc1_pred_b_mv(VC1Context *v, int dmv_x[2], int dmv_y[2], int off = (s->mb_x == (s->mb_width - 1)) ? -2 : 2; B = s->current_picture.motion_val[1][xy - wrap*2 + off]; + if(!s->mb_x) C[0] = C[1] = 0; if(!s->first_slice_line) { // predictor A is not out of bounds if(s->mb_width == 1) { px = A[0]; |