libavcodec/motion_est_template.c:1174: error: Uninitialized Value
  The value read from xmin was never initialized.

libavcodec/motion_est_template.c:1174:9: 
1172.     }
1173.     if(dmin>64*4){
1174.         CHECK_CLIPPED_MV((last_mv[ref_mv_xy+1][0]*ref_mv_scale + (1<<15))>>16,
              ^
1175.                         (last_mv[ref_mv_xy+1][1]*ref_mv_scale + (1<<15))>>16)
1176.         if(s->mb_y+1<s->end_mb_y)  //FIXME replace at least with last_slice_line
