[mythtv-users] CPU power and decoding
ciaranj at gmail.com
Thu Sep 30 09:08:30 EDT 2004
These may not be right, but I think they are, I'm sure someone will
pick me up if I'm wrong ;)
On Thu, 30 Sep 2004 14:40:59 +0200, Milos Prudek <prudek at bvx.cz> wrote:
> I would like to build a MythTV box (frontend/backend in one PC). Are the
> following sentences true or false?
> - DVB broadcasts in MPEG-2; consequently there is no encoding taking
> place when saving a DVB broadcast to disc.
> - When watching a DVB broadcast, the CPU must decode MPEG-2, or the DVB
> card's onboard hardware MPEG-2 decoding takes place.
Err this is a question. The CPU must decode an MPEG-2 stream, DVB
card's hardware not really involved.
> - When watching an analog TV broadcast, no significant decoding takes
> place and the burden on the CPU is very light.
False - The CPU will always have to decode whatever's put into the ring-buffer.
> - When recording an analog TV broadcast, the encoding done in software
> via CPU will consume less than 1GHz of processing power.
> - When watching a DVB broadcast, the decoding done in software via CPU
> will consume less than 1GHz of processing power.
> - When buying both a DVB card (the new SkyStar1 CI) and an analog
> terrestrial TV card, I will need only one remote control (for example
> the SkyStar's remote control), and I will be able to control the whole
> MythTV with it, i.e. both the DVB and analog card.
True - assuming you get the remote to work ;)
> - It is actually possible to have a wireless IR keyboard, wireless IR
> mouse and IR remote control, all working, not disrupting each other
> (equipment recommendations/buying advice welcome).
In theory I guess so :)
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