P_MV1             624 libavcodec/motion_est.c         P_MV1[0]= mx;
P_MV1             625 libavcodec/motion_est.c         P_MV1[1]= my;
P_MV1             795 libavcodec/motion_est.c             P_MV1[0]= mx; //FIXME not correct if block != field_select
P_MV1             796 libavcodec/motion_est.c             P_MV1[1]= my / 2;
P_MV1            1022 libavcodec/motion_est_template.c         CHECK_MV(P_MV1[0]>>shift, P_MV1[1]>>shift)
P_MV1            1024 libavcodec/motion_est_template.c         CHECK_MV(P_MV1[0]>>shift, P_MV1[1]>>shift)