[mythtv-users] wierd mpeg2video behavior

Michael T. Dean mtdean at thirdcontact.com
Sat Nov 19 20:04:17 EST 2005


chris at cpr.homelinux.net wrote:

>On Sat, Nov 19, 2005 at 12:58:30PM -0500, dave sailer wrote:
>  
>
>>ha ha. right. I've played around and it seems certain recordings are 
>>giving these errors. I can quickly go thru using preview and figure out 
>>which ones but I'm not sure what steps to take next. Can I tell which of 
>>my two cards recorded a file? What other tools can I use to analyze the 
>>files?
>>    
>>
>I've seen these errors occasionally, and think it may be a case where 
>the machine was i/o bound and ivtv was generating data faster than Myth 
>could record it to disk.  Sometimes the video is still watchable, 
>although with lots of artifacts and occasional pauses.  The only real 
>solution I've found is to schedule it for re-recording.
>
>The first 4 characters of the filename are the channel ID.  You can look
>up that channel in the mythconverg database using:
>
>    select capturecard.cardid,videodevice,inputname from channel \
>    join cardinput on cardinput.sourceid=channel.sourceid \
>    join capturecard on capturecard.cardid=cardinput.cardid \
>    where chanid=9999;
>
>Substitute the channel ID from the filename in place of 9999, of course.
>  
>
Of course, this won't help if you have the same source assigned to 
multiple capture cards.  The only sure-fire way (that I've ever heard) 
to know which card recorded a show is to look at the logs.

Mike


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