1#!/usr/bin/env python3
 2
 3class APID():
 4    def __init__(self, apid, sid):
 5        self.apid = apid
 6        self.sid = sid
 7
 8    @property
 9    def pid(self):
10        return self.apid >> 4
11
12    @property
13    def pcat(self):
14        return self.apid & 0xf
15
16    def pid_name(self):
17        pass
18
19    def pcat_name(self):
20        pass