[mythtv-users] rebuffering after livetv channel change

Stefan Haflidason styrmis at googlemail.com
Thu Mar 23 00:50:58 UTC 2006

On 3/23/06, Jesse Guardiani <jesse at wingnet.net> wrote:
> Hello,
> This isn't the same as the prebuffering pause issue with XvMC/HD.
> I'm just running SD TV and no XvMC.
> I just switched from using the Svid input of my PVR 350 card from
> a Dish feed to using the RF tuner input with a Charter Cable feed.
> It's crazy how fast the tuner changes channels compared to the
> Dish connection + IR Blaster channel change script. It's a full
> second or two faster. However, that speed seems to have come
> with a penalty. When I change channels on the tuner input in LiveTV,
> I instantly start getting rebuffering errors in my frontend's stdout/
> stderr output and the video playback gets choppy. (it's a combined
> front/backend box, so network isn't an issue.) If I pause the playback
> for about 3 seconds then play again, the rebuffering errors go away.
> I assume this is because LiveTV is somehow butting up against the
> MPEG video output speed of the PVR350. Pausing gives it enough buffer
> to work with.
> Is there any way to force a 3 second playback pause after a channel
> change on a tuner input?
> I'm running 0.19 SVN (fixes) revision 9263 and ivtv SVN revision 3060.
> --
> Jesse Guardiani
> Programmer/Sys Admin
> jesse at wingnet.net
> _______________________________________________
> mythtv-users mailing list
> mythtv-users at mythtv.org
> http://mythtv.org/cgi-bin/mailman/listinfo/mythtv-users

The thread that made me (in the same situation as you) breathe a sigh of
relief: http://www.gossamer-threads.com/lists/mythtv/users/186011

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