[mythtv-users] one single channel stops working (DVB-C, both LiveTV and recordings)

[Jan Schneider]

http://svn.mythtv.org/trac/ticket/6369

Zitat von Jan Schneider <jan at horde.org>:

> Zitat von Joachim <joge at upb.de>:
>
>> Hello,
>>
>> crawling online resources I couldn't find a solution for my  
>> problem, not even anyone else experiencing the same issues.  
>> Hopefully someone of you can help me:
>
> Then you didn't look closely enough. ;-) I reported exactly the same  
> a few day ago. Good to see that I am not the only one, and that  
> there is a common scheme. See  
> http://mythtv.org/pipermail/mythtv-users/2009-March/250865.html
>
>> I had a perfectly working mythTV DVB-C (Germany) installation until  
>> end of february. Out of a sudden, without me chaning anything, one  
>> single channel (ZDF) stopped working. It doesn't work in LiveTV  
>> mode any more, nor do any recordings I made on this channel.  
>> 2-week-old recordings from this channel which I kept, however, are  
>> still working.
>
> Same here, also with ZDF only.
>
>> I figured out that, when recording something on this channel,  
>> recording works fine in the sense that the video data is recorded.  
>> The corresponding .mpg file stored on disk seems to be ok and plays  
>> perfectly when I manually play it with mplayer (also, it doesn't  
>> produce any errors, warnings or other unusual output when playing  
>> it with mplayer). BUT: mythTV can't play this recording! The  
>> preview icons both in mythfrontend and mythweb are just black (when  
>> they're created while displaying them the first time, the  
>> mythbackend process does something which causes load for several  
>> minutes but doesn't result in any debug output or a thumbnail  
>> icon). When trying to play the recording I just get a black screen  
>> and mythfrontend keeps printing "NVP: Prebuffer wait timed out 10  
>> times." -- just repeatedly this line, nothing more compared to the  
>> usual output. (When deinterlacing is disabled, mythfrontend stays  
>> reactive and playback can be cancelled using ESC; when  
>> deinterlacing is enabled however, I've to kill mythfrontend.)
>>
>> I just can't get the clue what's going on here. Old recordings from  
>> this channel reproducibly play and new ones don't. All other  
>> channels still work. I verified that the VID and service ID of that  
>> channel did not change. I also contacted the TV network and asked  
>> if they changed anything in the stream format or the stream  
>> headers. But they say that they didn't change anything lately.
>>
>> BTW: I'm running mythTV 0.21.0+fixes16838-0ubuntu3.1 on Ubuntu 8.04.
>
> Latest 0.21.0 weekly on Ubuntu 8.10 here.
>
> Jan.
>
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Jan.

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