Project

General

Profile

All muxes keep failing

Added by ilja leiko over 6 years ago

Hey all.

I have a problem that all muxes keeps failing.

I have HTS Tvheadend 4.2.5 running on Raspberry Pi 2(Jessie) with USB Dvb-T+DAB+FM RTL2832U dongle.
Tvheadend sees USB dongle normally, but when i configure and select "Default" muxes all of them fails.

I am currently in Africa, Rwanda and i need to receive local analog TV. I dont know local tv frequencies, that's why i am trying to use default muxes.

Any help will be highly appreciated!


Replies (12)

RE: All muxes keep failing - Added by Mark Clarkstone over 6 years ago

Analog TV doesn't work with Tvheadend 4.x.

RE: All muxes keep failing - Added by ilja leiko over 6 years ago

Ou shut... But i did make it work some time ago on 4.0.something.
Maybe i dont know what i m talking about when i say "analog" tv. What i meant to say is the TV signal broadcasted wirelessly. :D :/
Can you please suggest what can i do? Downgrade?

RE: All muxes keep failing - Added by Mark Clarkstone over 6 years ago

ilja leiko wrote:

Ou shut... But i did make it work some time ago on 4.0.something.
Maybe i dont know what i m talking about when i say "analog" tv. What i meant to say is the TV signal broadcasted wirelessly. :D :/
Can you please suggest what can i do? Downgrade?

3.6 still has analogue capabilities, but it's no longer supported.

RE: All muxes keep failing - Added by ilja leiko over 6 years ago

Mark, thank you for your replies.

I am afraid I was totally off when i have told the word "analog", sorry.

I am working with DVB-T, which is indeed digital.

So, the problem is even though I have learned that i m working with digital, it is still not discovering any muxes :/

RE: All muxes keep failing - Added by Mark Clarkstone over 6 years ago

In that case 4.2 should work, are you able to get any frequencies using w_scan (stop tvh first)? I think running something like "w_scan -ft -cza" should do it.

RE: All muxes keep failing - Added by ilja leiko over 6 years ago

Thank you for a good lead. I am not sure what I am looking for, but there is one band or frequency where it shows the signal is OK. Please take a look https://i.imgur.com/GU73c6O.png

RE: All muxes keep failing - Added by Mark Clarkstone over 6 years ago

ilja leiko wrote:

Thank you for a good lead. I am not sure what I am looking for, but there is one band or frequency where it shows the signal is OK. Please take a look https://i.imgur.com/GU73c6O.png

Garbage data means the signal is there but it's weak, you need a booster.

RE: All muxes keep failing - Added by ilja leiko over 6 years ago

Does that mean that my receiver is getting signal on 8MHz bandwidth, frequency 50600?
I have antenna hooked up, but i ll try to find a better one.

RE: All muxes keep failing - Added by ilja leiko over 6 years ago

Mark, thank you for your patience and help so far. Please bare with me a little more.

Have tried multiple versions - didn't help. Got back to 4.2.5.

After that, I have got a better antenna, using w_scan tool found out that 8MHz bandwidth and 490MHz frequencies is what i need. So i manually added a MUX with these values. So far so good, it started finding services, but while searching for them it was writing weird entries to log file, like "unsubscribing" and "scan no data, failed". And when I have tried mapping them - all 58 found services have failed to map.

I am attaching log file, please see that

Document.rtf (65.7 KB) Document.rtf tvheadend log

RE: All muxes keep failing - Added by saen acro over 6 years ago

w_scan -f t -F -t 3 -v 2>&1 | tee w_scan.log

scan with this, will take long time.

post result https://paste.ubuntu.com and post link

RE: All muxes keep failing - Added by ilja leiko over 6 years ago

Thank you, saen acro, for discovering a new tool for me(paste.ubuntu.com).

I have run the scan command and that's what I get as output: https://paste.ubuntu.com/p/GsfgnqhmNY/

RE: All muxes keep failing - Added by ilja leiko over 6 years ago

--SOLVED--

I have run w_scan command as suggested previously and were able to identefy the bandwidth and frequency, which are working around my district. Adding that to manually as mux to tvheadend helped and multiple services were discovered.

Thank you all

    (1-12/12)