diff options
Diffstat (limited to 'libavcodec/mpeg12.c')
| -rw-r--r-- | libavcodec/mpeg12.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/libavcodec/mpeg12.c b/libavcodec/mpeg12.c index c675fe3e7b..96355dd578 100644 --- a/libavcodec/mpeg12.c +++ b/libavcodec/mpeg12.c @@ -2324,8 +2324,8 @@ static int mpeg_decode_slice(Mpeg1Context *s1, int mb_y, return -1; if(s->current_picture.motion_val[0] && !s->encoding){ //note motion_val is normally NULL unless we want to extract the MVs - const int wrap = field_pic ? 2*s->block_wrap[0] : s->block_wrap[0]; - int xy = s->mb_x*2 + 1 + (s->mb_y*2 +1)*wrap; + const int wrap = field_pic ? 2*s->b8_stride : s->b8_stride; + int xy = s->mb_x*2 + s->mb_y*2*wrap; int motion_x, motion_y, dir, i; if(field_pic && !s->first_field) xy += wrap/2; |