[mythtv-users] please explain XvMC

[J. Donavan Stanley]

Alexander Petkov wrote:

>I have a Dual VGA setup with a recent NVIDIA card, and an analog bttv capture card.
>
>What are the benefits, if any, of compiling Myth with XvMC support enabled? I think I have only seen references to people using hardware encoder cards.
>  
>

XvMC accelerates some of the MPEG2 decoding in your video cards 
hardware.  The advantage is that it takes less CPU power to do the 
decoding.  The big disadvantage is that you can't use any filters (like 
deinterlacing) with it.