0=DVR
1=Roku
2=Game
3=Aux
4=Game
5=PC
6=Unknown
7=Unknown
8=Unknown
9=Unknown
10=Unknown
11=Unknown
12=Unknown
13=Unknown
14=Unknown
15=Unknown
16=BluRay
17=Nvidia
18=Unknown
32=Tape1
33=Tape2
34=Phono
35=CD
36=FM
37=AM
38=Tuner
39=Music_Server
40=Internet_Radio
41=USB_Front
42=UDB_Back
43=Network
45=AirPlay
46=Unknown
48=Multich
50=Sirius
NULL=Unknown