if(FRAME_MBAFF){
const int pair_xy = s->mb_x + (s->mb_y & ~1)*s->mb_stride;
const int top_pair_xy = pair_xy - s->mb_stride;
- const int top_mb_frame_flag = !IS_INTERLACED(s->current_picture.mb_type[top_pair_xy]);
- const int left_mb_frame_flag = !IS_INTERLACED(s->current_picture.mb_type[pair_xy-1]);
- const int curr_mb_frame_flag = !MB_FIELD;
+ const int top_mb_field_flag = IS_INTERLACED(s->current_picture.mb_type[top_pair_xy]);
+ const int left_mb_field_flag = IS_INTERLACED(s->current_picture.mb_type[pair_xy-1]);
+ const int curr_mb_field_flag = MB_FIELD;
const int bottom = (s->mb_y & 1);
- if (!curr_mb_frame_flag && (bottom || !top_mb_frame_flag)){
+ if (curr_mb_field_flag && (bottom || top_mb_field_flag)){
h->top_mb_xy -= s->mb_stride;
}
- if (left_mb_frame_flag != curr_mb_frame_flag) {
+ if (!left_mb_field_flag == curr_mb_field_flag) {
h->left_mb_xy[0] = pair_xy - 1;
}
} else if (FIELD_PICTURE) {