[dvblast-devel] CA device addressing

Doychin Dokov dokov at silistra.tv
Mon Aug 10 11:59:27 CEST 2015


I believe TBS cards are not capable of what you want to achieve - each CA
slot is hardwired to the appropriate tuner and not routable the way you
want it.

- D.

2015-08-10 12:50 GMT+03:00 Kompan Kolia <kompan at yandex.ru>:

> Sorry for repeating, but previous letter was in HTML format, and I don`t
> receive any comments.
>
>
>
> Hello All :)
>
> I have system with few TBS (TBS 6991SE) with two inputs.
>
> This cards are made like two tuners on one board.
> Each card consists of two tuners and two CI slots
>
>
> After system boot in /dev/dvb folder looks like that:
>
> /dev/dvb/adapter0:
> total 0
> crw-rw---T 1 root video 212, 53 Jul 13 17:25 ca0
> crw-rw---T 1 root video 212, 50 Jul 13 17:25 demux0
> crw-rw---T 1 root video 212, 51 Jul 13 17:25 dvr0
> crw-rw---T 1 root video 212, 54 Jul 13 17:25 frontend0
> crw-rw---T 1 root video 212, 52 Jul 13 17:25 net0
>
> /dev/dvb/adapter1:
> total 0
> crw-rw---T 1 root video 212, 58 Jul 13 17:25 ca0
> crw-rw---T 1 root video 212, 55 Jul 13 17:25 demux0
> crw-rw---T 1 root video 212, 56 Jul 13 17:25 dvr0
> crw-rw---T 1 root video 212, 59 Jul 13 17:25 frontend0
> crw-rw---T 1 root video 212, 57 Jul 13 17:25 net0
>
>
> We want to achieve following:
>
> First instance of dvblast:
> 1 Receives encrypted DVB-S2 signal from the first input
> (/dev/dvb/adapter0/frontend0)
> 2 CA0 (/dev/dvb/adapter0/ca0) decrypts it.
>
> Second instance of dvblast:
> 1 Receives encrypted DVB-S2 signal from the same FIRST input
> (/dev/dvb/adapter0/frontend0)  (the same transponder)
> 2 CA0 from second card (/dev/dvb/adapter1/ca0) decrypts it.
>
> Third instance of dvblast:
> Receives unencrypted FTA DVB-S2 signal from second input
> (/dev/dvb/adapter1/frontend0) from some other transponder.
>
> We know about -y (--ca) feature, but it does not work for us, because
> second CA (adapter1/ca0) assigned to other DVB-tuner (adapter1) during boot.
>
>
> Is there any solution or workaround for specifying input source for
> receive stream and CA to decode it.
>
> Example:
>
> ######### For First Input #################
>
> dvblast  -a 0 -f xxxxx -s xxxxxx -v 13 -c /dvblast.cfg
>
> ------------ dvblast.cfg ------------
>
> # Channel 1, /adapter0/frondend0, /adapter0/ca0
>
> 224.5.5.1:1234 1 216
>
>
>
> # Channel 2, /adapter0/frondend0, /adapter1/ca0
> 224.5.5.2:1234/ca=/adapter1/ca0 1 217
>
> ------- end of dvblast.cfg ----------
>
> ######### END For First Input #################
>
> ######### For Second Input #################
>
> dvblast  -a 0 -f xxxxx -s xxxxxx -v 13 -c /dvblast.cfg
>
> ------------ dvblast.cfg ------------
> # Channel 1, /adapter1/frondend0
>
> 224.5.5.1:1234 0 210
>
> ------- end of dvblast.cfg ----------
>
> ######### END For Second Input #################
>
>
> or something else.
>
>
> Thank for advise.
> _______________________________________________
> dvblast-devel mailing list
> dvblast-devel at videolan.org
> https://mailman.videolan.org/listinfo/dvblast-devel
>
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