[mythtv] DVB lock up - mythtv unusable

[David Whyte]

I have to agree that it is a little annoying to get stuck in the
frozen blank screen.  I normally frantically hit the esc key on my
keyboard and I eventually get out, but a screen that states that we
couldn't get any data after say 10 (or some configurable amount of)
seconds would be a major improvement IMO.

That said, I am going to watch the recordings my baby did for me while
I was busy tonight.  Bless my Myth box :P


On Tue, 1 Mar 2005 12:32:05 +0100, Leandro Dardini <ldardini at tiscali.it> wrote:
> This is a long standing problem and I hope someone can finally write a good
> solution.
> With DVB if you tune a channel and for whatever reason (it is encrypted, it
> is not broadcasting, signal is weak....)
> backend can't read data from the capture card, mythtv frozen and you cannot
> change channel.
> >From mythtv-backend I get:
> 
> 2005-03-01 12:31:19.083 DVB#0 Status: LOCK.
> 2005-03-01 12:31:19.083 DVB#0 Multiplex Locked
> 2005-03-01 12:31:20.827 DVB#0 Successfully tuned to channel 33.
> 2005-03-01 12:31:20.857 DVB#0 Data read from DMX - This is for debugging
> with transform.c
> 2005-03-01 12:31:35.851 Couldn't read data from the capture card in 15
> seconds. Stopping.
> 
> On the mythtv-frontend I get:
> 
> 2005-03-01 12:31:25.860 taking too long to be allowed to read..
> 2005-03-01 12:31:30.861 taking too long to be allowed to read..
> 2005-03-01 12:31:39.853 Waited 4 seconds for data to become available,
> waiting again...
> 2005-03-01 12:31:43.854 Waited 4 seconds for data to become available,
> waiting again...
> 2005-03-01 12:31:47.855 Waited 4 seconds for data to become available,
> waiting again...
> 2005-03-01 12:31:51.857 Waited 4 seconds for data to become available,
> waiting again...
> 2005-03-01 12:31:55.858 Waited 4 seconds for data to become available,
> waiting again...
> 2005-03-01 12:31:59.860 Waited 4 seconds for data to become available,
> waiting again...
> 2005-03-01 12:32:03.861 Waited 4 seconds for data to become available,
> waiting again...
> 2005-03-01 12:32:07.862 Waited 4 seconds for data to become available,
> waiting again...
> 2005-03-01 12:32:07.862 Waited 14 seconds for data to become available,
> aborting
> 
> DVB card is now tuned on channel 33, but while I cannot read data, I cannot
> escape from it. Changing channel is not possible.
> 
> What possible solution can be found to what to me seem to limit the use of
> DVB on mythtv?
> 
> On my DVB set-top-box, if I tune an encrypted channel, a sign appears saying
> me "it is an encrypted channel". If the signal is weak, a red dot appears on
> the right corner, and so on for every possible malfunction. Can be possible
> a similar behaviour also in mythtv? Can the backend outputs a fake stream of
> data when it receives no data so the frontend can continue to play and
> change channel?
> 
> Thank you
> 
> Leandro
> 
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