[mythtv-users] Setting up myth with ATSC and Cable Tuners

Bish, Tim Tim.Bish at Sensis.com
Wed Jun 7 17:36:57 UTC 2006


> On 6/2/06, Bish, Tim <Tim.Bish at sensis.com> wrote:
> > I'm trying to get a myth install working, running with SVN HEAD.
> 
> try FIXES instead, unless theres a specific reason for using HEAD you
> should be fine with FIXES. I have a similar setup and FIXES works
> fine.

I was trying HEAD because I was having trouble with the 0.19 from atrpms
stalling in the mythfilldatabase, I will try reverting to FIXES and see
if that works for me.

> 
> 
> > The issue that I'm running into is that I want to configure two
fusion
> HDTV
> > 5 Gold's and a PVR150.  The Fusion's will be tuning ATSC channels,
and
> for
> > the moment the PVR150 will be tuning Cable.  I've run through the
setup
> and
> > add devices for both cards.  I can scan and find all the channels
for
> them,
> > and get listings from zap2it in setup.  I then go out and start a
> backend
> > and run mythfilldatabase.  Everything seems ok, although I noticed
some
> logs
> > from the backend on start indicating that it was trying to set the
> device at
> > /dev/video0 to ATSC, but that is my PVR 150 so that seems wrong.
> 
> in mythtv-setup set your default to NTSC, it should not affect the
> ATSC tuners, its how I have it in my setup.
> 
> 
> > When I start the front-end and go to live tv I find that generally
only
> the
> > ATSC channels are present nothing for the Cable channels.  I can
> manually
> > enter a Cable channel and it will work, but when I restart its gone.
> What
> > am I doing wrong in the setup?  Perhaps someone could shed some
light on
> the
> > right options to pick.
> 
> Are you browsing the channels or using the guide? the guide shows all
> channels, browse shows the channels on the current tuner.
> 
> > I've also notice some stuttering on the HDTV channels.  I've
switched to
> > libmpeg2 but that didn't seem to help.  Also, sometimes when I'm
> switching
> > to a new ATSC channel previous channel's image freezes on screen.  I
can
> > then pick another channel and everything starts working again.
> 
> stuttering could be due to a number of things. check top to see what
> your wa% is (should be under 5% normally with spikes up to 20%
> occasionally being ok. Also if your noticing this with live tv try
> playing back a recording.
> 

I will give that a try too.  I don't remember seeing any problems in the
atrpms 0.19 version so I will give that a shot first.  I have upgraded
to the NVidia 8762 driver since then though.

> 
> > My system specs are
> > AMD Athlon64 x2
> 
> decent ;-)
> 
> > Two Seagate 300gig Sata drives
> 
> are you using RAID? I find that for my 3xATSC and 1xPVR150 even my 4
> drive RAID10 has trouble keeping up with everything going.
> 

No RAID, just using them both for storage, I was planning on setting up
a separate file server machine later with a RAID array.  


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