[mythtv-users] High X CPU usage with 8400GS

[Boleslaw Ciesielski]

Jim Stichnoth wrote:
> I know that I'm not using VDPAU yet.  I'm just surprised that under
> non-VDPAU conditions, this VDPAU-capable 8400 card causes so much CPU
> load compared to the 7200 card.  I'm wondering if this is related to
> the fact that the 8400 is a PCI version -- maybe the CPU is maxed out
> by sending the decoded 720p video stream over the PCI bus, which
> presumably wouldn't happen when VDPAU is doing the decoding.

Yes, this is quite possible. PCI cards are really only good for VDPAU.