Homebrew PVR (was Beta vs VHS (was language...))
Jake Anderson email (remove spam text)
Alex Harford wrote:
> On Thu, Apr 3, 2008 at 9:25 PM, William Chops Westfield <mac.com> wrote: westfw
>> Hmm. I suppose the main reason is that I wasn't aware that the DIY
>> PVRs supported more than one tuner; I thought they were pretty
>> strapped out just doing compression/etc for a single video stream.
>> (I see that this got better when tuner cards started including their
>> own video compression logic.)
> Yup, they can support multiple tuners. MythTV even supports multiple
> tuners in multiple machines on the network! So in theory you're only
> limited by the size of your wallet. :)
The big thing is digital TV, if you are recieving digital then the tuner
just spits grabs the 2-12mbytes of data a second out of the air and myth
sticks it on disk. Mythbackend on my 2ghz core2 server uses about 6% of
one CPU when its recording 3 shows. Watching a HD show uses about 60%,
commercial flagging uses around 70%, its getting a little busy when its
commercial flagging 2 shows and we are watching a 3rd but other than the
hard drive light being "on" the only way to tell by is running top.
We have our commercial flagging running while its recording so we don't
need to manually time skip ;->
>> I do have a 2.x GHz Celeron Dell 2400 that's idled at the moment;
>> perhaps I should give things another look...
> That would be perfect for giving Myth a try. The PVR-150/500 cards
> can be found for relatively cheap nowadays.
That should be fine for standard definition but its borderline for HD i
Intel onboard graphics work well and the intel driver is open source so
it comes with most distro's out of the box.
There are a few motherboards out there with intel onboard video and HDMI
outputs which make life easy.
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