static int16_t *wmv2_pred_motion(Wmv2Context *w, int *px, int *py){
MpegEncContext * const s= &w->s;
int xy, wrap, diff, type;
static int16_t *wmv2_pred_motion(Wmv2Context *w, int *px, int *py){
MpegEncContext * const s= &w->s;
int xy, wrap, diff, type;