- previous_frame[0] = pv->ref[0][k][back_2 + x];
- previous_frame[1] = pv->ref[0][k][back_1 + x];
- previous_frame[2] = pv->ref[0][k][current + x];
- previous_frame[3] = pv->ref[0][k][forward_1 + x];
- previous_frame[4] = pv->ref[0][k][forward_2 + x];
- next_frame[0] = pv->ref[2][k][back_2 + x];
- next_frame[1] = pv->ref[2][k][back_1 + x];
- next_frame[2] = pv->ref[2][k][current + x];
- next_frame[3] = pv->ref[2][k][forward_1 + x];
- next_frame[4] = pv->ref[2][k][forward_2 + x];
-
- if( abs( previous_frame[2] - current_frame[2] ) > mthresh &&
- abs( current_frame[1] - next_frame[1] ) > mthresh &&
- abs( current_frame[3] - next_frame[3] ) > mthresh )
+ if( abs( prev[0] - cur[0] ) > mthresh &&
+ abs( cur[up_1] - next[up_1] ) > mthresh &&
+ abs( cur[down_1] - next[down_1] ) > mthresh )