[mythtv-users] 800 MHz P3 for HDTV

Brian Wood beww at beww.org
Sun Mar 4 02:15:08 UTC 2007

On Mar 3, 2007, at 6:48 PM, Bob wrote:

> Michael T. Dean wrote:
>> On 03/03/2007 04:39 PM, stan wrote:
>>> It seems if the display card is doing all the decoding work, than  
>>> all the
>>> cpu needs to do is move 8 GB of data per hour to the video card.
>> XvMC isn't decoding--it's simply doing some of the math on the video
>> card, rather than doing all the math and all the rest of decoding  
>> on the
>> CPU.
>> Mike
> Ding ding ding, if there *was* a video card that did full decoding you
> could resurrect that old Celeron 433 doorstop (come on we've *all* got
> one or two and there's only so many firewalls you can usefully  
> have) as
> a quasi-asymmetric multiprocessor High Definition Home Theater  
> Personal
> Computer (QASMP-HD-HTPC, thats a mouthful) which would save lodes of
> money and the environment along with making the manufacturer of the
> video~decoder~gpu~cpu AGP riser-card type thing, a fortune.

There *are* chips that actually do full decoding, Magic Eyes comes to  
mind, and it allows my 200Mhz ARM-based (no MMU or even FPU) GP2X to  
do a decent job of playback, even driving a full-sized TV set, not  
that this will help Myth users in the forseeable future though.

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