[vdr] frontend tuning timeouts break DD AC3 stream

Ondrej Wisniewski ondrej.wisniewski at ericsson.com
Fri Jan 26 13:47:15 CET 2007


I just want to add that I am experiencing the same problems here: short
DD AC3 stream breaks during playback and a frontend tuning timeout
message in the log at the same time. There is no problem with PCM audio
or live TV.

I am using a single card system with TT 1.6 DVB-s, VDR 1.4.5 and latest
Firmware F12623.

So I guess that my VDR does an EPG scan only during playback and that's
when I get the problem. I will try to disable the EPG scan and see if
anything changes.

Ondrej ...

Thomas Bartschies wrote:
> Hi,
> 
> I'm experiencing the usual DD A3 stream breaks here. Now I have discovered
> that the epg scan seems to trigger them, by tuning to some channels.
> 
> vdr logs frontend tuning timeouts synchronously to the stream breaks my
> AV Receiver displays. They can only be caused by a background job like
> the epg scan. Also the timeouts occur on the primary card, which seem
> to be sometimes used to make scans.
> 
> I'm not sure if the tuning timeouts were caused because the channels are
> encrypted, or by invalid data in the channels.conf. But that should have no
> meaning here.
> 
> The timeouts can be caused by the firmware or driver, or in vdr by tuner
> thread locking issues. I need help to sort this out.
> 
> I have a three FF card system. Why does vdr use the Primary Card for
> scans anyway? Shouldn't all of this occur on a non-primary card all of
> the time? How can I force vdr to not use the primary device for PID,EPG
> and all other scans? At least for further testing.
> 
> Best Regards,
> Thomas



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