[mythtv-users] Comcast Analog/Digital Future (was: Using Two DTAs with One PVR-500)

[Brian Wood]

On Wednesday 20 January 2010 04:47:32 pm Ben Kamen wrote:
> On 1/20/2010 5:02 PM, Karl Newman wrote:
> > I recently was forced through the Comcast digital strainer
> 
> This whole discussion has been very interesting as I've been contemplating
>  getting another PVR-xxx or so to record additional channels on Comcast.
>  But it sounds like with ComCast switching off the Analog, my PVR-350 might
>  be good for Composite/S-Video input at some point in my near future.
> 
> I think the only question there is: (since I don't know) -- Do the
>  non-tuner inputs pipe through the onboard MPEG encoder or do those video
>  inputs become high-cpu-usage video capture devices?
> 
> Answering this would finalize my motivation to avoid (like the plague) all
>  the suddenly available analog-only PVR cards showing up on ebay.

All inputs to PVR cards are encoded by the on-board hardware. There is no way 
to get frame-grabber like performance from a PVR.