[mythtv-users] Record only HD or prefer HD over SD

Simon Hobson linux at thehobsons.co.uk
Wed Feb 3 16:47:29 UTC 2010

Michael T. Dean wrote:

>Yes, you can set priorities on inputs and on channels--but you shouldn't
>do either.
>Why even leave the standard-def channels in the list?

Because the SD channels carry programmes that aren't on the HD 
channels. That's what the OP said, and that would be the situation 
here in the UK if I could afford a new tuner (and optionally dish) to 
get our HD channels on Freeview or freesat.

EG, BBC HD is not a duplicate of any other channel, but carries a 
different set of programs. Many of them are actually simulcast with 
SD on one of the other channels, but not all.

>... or if you do
>change channel priorities, make the standard def priorities negative,
>rather than making the high-def priorities positive.
>See http://www.gossamer-threads.com/lists/mythtv/users/419180#419180
>(whole thread) for why priorities are probably not the answer you want.

I've read that. Of course, in my case I'd have one card/input with 
both SD and HD content - so adding inputs/cards in a specific order 
wouldn't work.

I note the comment in that thread about missing recordings if the 
schedule changes. That will **always** be a problem unless you have 
lots of available inputs or not many recording rules. If you don't 
have the resources to record the first showing of a program then you 
are always at the mercy of the broadcasters changing the schedules so 
that a later showing no longer exists. That isn't much of a problem 
in my experience (I can imagine that may be different for others) - 
far more of a problem is when programs get changed with no notice 
(sports event over-runs, big news event, etc), so Myth records the 
wrong content and by the time you sit down to watch, it's too late to 
have it record a later repeat.

Is there any practical difference between setting a positive priority 
on HD channels, vs setting a negative priority on SD channels ?
Simon Hobson

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