[vdr] Necessity of Emergency Exits...

[Karsten Müller <kmu@ratio.de>]

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Hi List, hi Klaus :)

this weekend I added a third DVB-C card to my VDR box. No problem with that
at all :) But I noticed that especially due to the "nice" weather we had
this weekend the signal quality wasn't the best which resulted in *many*
messages like these

Jul 21 19:00:02 player vdr[2292]: ERROR: video data stream broken
Jul 21 19:00:02 player vdr[2292]: initiating emergency exit
Jul 21 19:00:02 player vdr[2267]: emergency exit requested - shutting down
Jul 21 19:00:02 player vdr[2267]: saved setup to
				  /usr/local/src/VDRtmp/setup.conf

[ ... approx. 30 repeats of these messages... ]

Jul 21 22:52:57 player vdr[4710]: ERROR: video data stream broken
Jul 21 22:52:57 player vdr[4710]: initiating emergency exit
Jul 21 22:52:57 player vdr[2612]: emergency exit requested - shutting down
Jul 21 22:52:57 player vdr[2612]: saved setup to
				  /usr/local/src/VDRtmp/setup.conf

Is it *really* necessary to shutdown the *whole* vdr just because the video
stream of *one* recording is broken for a second or two ?
Wouldn't it be *much* better to "record" just a black picture or whatever
until the signal is back ?

An "emergency exit" of course affects *all* recordings on *all* cards at
that time. So if a video data stream of *one* card fails, *all* recordings 
are stopped by this "emergency exit". This behaviour is very annoying and 
I really don't see the necessity of handling errors like this...?

As Klaus Schmidinger stated in an earlier eMail, a DVB card should be
able to jump on a data stream at *any* given time, wouldn't it be much better
to let the card just "sit and wait" until the signal comes back maybe with a
timeout of a minute or so (*and* leaving all the other recordings 
unaffected) ? 

I could live with an audio/video glitch or even a missing part in *one*
particular stream which actually *was* broken but not with missing 10-20
seconds in *all* recordings...

Hopefully this behaviour will be fixed/changed in the next "plugIn'ed" 
version of the VDR (?)

Anyone ?


PS: At the same time where VDR "emergency exits", my dbox f.e. just waits for
    a second, displaying a message like "signal lost, blah blah..." and then
    immediately continues working after the signal returns (mostly after 
    about 1 second)

PPS: Anyway, the VDR is still a *great* thing to have and surely beats all
of the commercial attempts of digital video recorders out there. Thanks a
lot for all your work Klaus (and all contributors of course)

- -- 
with best regards
- ---
Karsten Mueller
Softwaredevelopment / Keyaccount Manager
RATIO Entwicklungen GmbH
Admiralitaetstr. 59
20459 Hamburg
Email: mailto:kmu@ratio.de

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