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Adapter with multiple frontends

Open pa3knet opened this issue 7 years ago • 8 comments

Hi, I use Astrometa DVB-T2, https://www.linuxtv.org/wiki/index.php/Astrometa_DVB-T2 I don't have problem when I use direct for example with tvheadend. But when I use minisatip i see only one frontend. This stick has one tuner R828D but two demodulators one for dvb-t Realtek RTL2832P and one for dvb-t2 Panasonic MN88472. I have two frontends in /dev/dvb/adapter0

crw-rw---- 1 root plugdev 212, 68 Oct 23 21:34 demux0 crw-rw---- 1 root plugdev 212, 69 Oct 23 21:34 dvr0 crw-r--r-- 1 root plugdev 212, 67 Oct 23 21:34 frontend0 crw-r--r-- 1 root plugdev 212, 83 Oct 23 21:34 frontend1 crw-rw---- 1 root plugdev 212, 71 Oct 23 21:34 net0

But minisatip tests only demuxX, dvrX and frontendX with same number X. When I manually swap frontends I can use dvb-t2. But I cannot use both. I now it impossible to use in one moment because is only one tuner but I cannot send one request for dvb-t and after end of session send second for dvb-t2 :(.

Thanks I you will have a time for fixing it. Thanks.

pa3knet avatar Nov 27 '17 14:11 pa3knet

Here You have experimental workaround: https://linuxtv.org/pipermail/vdr/2017-December/029311.html. Maybe it'll help.

tmn505 avatar Dec 03 '17 17:12 tmn505

Thanks I have used similar solution few days ago. It is only workaround, but functional workaround ;).

pa3knet avatar Dec 03 '17 19:12 pa3knet

This problem is still not handled better than using this method (https://linuxtv.org/pipermail/vdr/2017-December/029311.html ) right people?

dnmnhat avatar May 31 '23 13:05 dnmnhat

I don't have hardware that exhibits this behavior so I can't test

Jalle19 avatar May 31 '23 18:05 Jalle19

This problem is still not handled better than using this method (https://linuxtv.org/pipermail/vdr/2017-December/029311.html ) right people?

The mentioned page isn't available, can you please post the workaround here?

sunsettrack4 avatar Jun 22 '24 22:06 sunsettrack4

The gist of it is that you need to move/symlink your /dev/dvb/adapterX/frontendY device files so they're swapped, since minisatip only uses the first one. This is something that would be nice to have fixed at some point, it's a bad workaround.

Jalle19 avatar Jun 25 '24 17:06 Jalle19

So there's actually no way to use both tuners in minisatip at the moment?

sunsettrack4 avatar Jun 25 '24 18:06 sunsettrack4

I will try to tackle this issue at some point

catalinii avatar Jun 25 '24 18:06 catalinii