[mythtv-users] CPU power and decoding

[Ciaran]

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.
True.
> 
> - 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.
True - 

> 
> - When watching a DVB broadcast, the decoding done in software via CPU
> will consume less than 1GHz of processing power.
True

> 
> - 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 :)