MV_P_FOR           62 libavfilter/vf_codecview.c         CONST("pf", "forward predicted MVs of P-frames",  MV_P_FOR,  "mv"),
MV_P_FOR          270 libavfilter/vf_codecview.c                     if ((direction == 0 && (s->mv & MV_P_FOR)  && frame->pict_type == AV_PICTURE_TYPE_P) ||