[mythtv-users] New system configuration

Christopher Kerr mythtv at theseekerr.com
Wed Apr 14 21:56:58 UTC 2010


On Thu, Apr 15, 2010 at 2:59 AM, Greg Cope <gregcope at gmail.com> wrote:
> On 14 Apr 2010, at 11:40, Christopher Kerr <mythtv at theseekerr.com> wrote:
>>> No, not really - the Ion boxes don't make very good backends -
>>> recording DVB streams is generally fine (provided you use a desktop
>>> drive, not a smaller, slower laptop drive), but tasks like commercial
>>> flagging will be very slow.
>
> My revo r3610 dual core atom comm flags at 56fps on high biteate sd content.
>  Is that slow?  I thought it was near real time?

All depends on your workload, I suppose. 56fps is certainly acceptable
if you're only recording 1 SD stream. But on a dual tuner system with
multirec, I'm occasionally recording 4 programs from 2 multiplexes,
and the user expectation in this house is that they'll be able to sit
down 45 minutes after their show starts, and watch it through to the
end without ads.

As far as I can tell, commercial flagger speed seems to scale
proportional to resolution - HD commflagging on my (couple of year old
core 2 duo) master backend seems to be about 1/3 the speed of SD.

- Chris


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