[mythtv] DVB Stability problems with watching live TV

Tim Ansell mithro at mithis.net
Mon Aug 9 06:28:30 EDT 2004

On Mon, 2004-08-09 at 18:42, Damian Ivereigh wrote:
> Hi guys,
> Has anyone else experienced stability/crashing problems when watching
> Live-TV with DVB cards?
> I have been using mythtv with a couple of Australian Nova-T DVB cards
> for the last few months. The recording and playback works great, rock
> solid.

I'm here in Australia too!

> However I have found a couple of wierd problems when watching live TV:-
> 1) When switching channels, sometimes the player never gets up to speed,
> staying at that slow speed it uses when trying to get the video and
> audio in sync.

I have experienced this problem. It only ever seems to happen on Channel
7. I'm in Adelaide, South Australia and am using a Vision Plus card.

> 2) When the signal quality is a bit flaky (and the card temporarily
> loses sync), I have seen both the front and backend crash (at different
> times). I realise that the solution is to fix the signal quality, but I
> would prefer myth to handle this situation a bit better.

I have also experienced this problem. Sadly it seems signal quality is
kinda lacking here in Australia, which is the whole reason I went
digital instead of Analog.

> I am not looking for a fix (unless someone has one), rather to know if
> anyone else has experienced it. If so I will have a go at debugging and
> fixing it.
> One simple change I would like to make is make the timeouts *much*
> shorter. Right now if you unplug the aerial, mythtv hangs for almost a
> minute. Frankly if you can't get sync in 5 secs, you may as well give
> up. What would be great would be an error message and allow you to
> change to a new channel.
> Comments?
> Damian 
Tim Ansell <mithro at mithis.net>

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