[mythtv-users] 8 seconds to change channel on a PVR350? normal

jose rubio debian at nc.rr.com
Mon Mar 8 07:49:34 EST 2004


On Sun, 2004-03-07 at 00:38, Darren Richards wrote:
> > I know this issue has been beaten to death so many times that it's not
> > funny, but I just wanted to ask if a 7-8 second delay is normal for
> > changing channels on a PVR350? Reading the archives make me believe it
> > should be in the 2-3 seconds range... but I also find (like many others)
> > that I simply cannot fast-forward to any point further than 4-5 seconds
> > behind real time, which I assume is the cause of the first problem and
> > also a safety delay for software encoders. If so, is this changeable
> > somewhere in the settings, or defined in a header file somewhere?
> >
> > Of major importance here is that the 350 is hooked directly to my analogue
> > cable, so there's no delay for external tuners.
> >
> > This is all on v0.14 BTW. Simply haven't had enough free time from
> > work'n'stuff to even attempt the CVS yet. :)
> >
> > Also, I just read in the archives (which is a goldmine with well-hidden
> > nuggets) that switching from ext3 (which I currently use) to f.x. ReiserFS
> > can make a big difference here, as well as save quite a few bytes on the
> > /mnt/myth/store partition... which will have to wait until tomorrow since
> > it's currently 3 in the morning and experience tells me not to change
> > filesystems on 140GB partitions when the brain is not all there. =)
> >
> > Sorry for rambling on, but maybe all of this can be helpful for someone
> > else...
> >
> > / Niklas
> 
> 7-8 seconds seems a little long.  I recently switched from using the pvr350
> tv-out to a gf4mx tv-out.  I'm still using the 350 for capture.  With the
> 350 tv-out, changing channels took 4-5 seconds.  Now it takes about 2
> seconds.  I'm using ext3.
> 
> -darren
> 
> ----
yeah, i don't think it's the filesystem.  i've used ext2 and now ext3
with both a 250 and a 350 together using the 350 tv-out and my channel
change time is always been about 2-4 seconds.  I run myth-cvs though...


-jose-



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