[mythtv-users] HDTV playback & GF4

[Doug Larrick]

Kent Williams wrote:
> I was wondering how much of a benefit the Geforce 4 MX is for HDTV
> playback?
> My Frontend is a HT p4 2.8ghz with a Geforce 2 (using the Nvidia
> drivers) and it can't seem to playback any HDTV channels correctly.
> 
> The backend has two nova dvb-t cards and the hdds are dma enabled. It
> also happens on HDTV shows I have recorded previously and am just
> playing back.
> The network is 100Mbps full duplex and doesn't appear to be a problem.
> The CPU usage on the frontend is sitting up close to 100% (96% +).
> 
> If I went out and bought a GeForce 4 MX, is the CPU usage likely to drop
> significantly?

What version of Myth?

What's your current video card?  Does it support the XVideo extension?

You might also try compiling Myth yourself, adding the '-mpentium4' 
compiler flag to the libs/libavcodec settings.pro file -- I found this 
helped a lot.

-Doug
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