[mythtv-users] Accuracy of HDTV processor requirements statement in HOWTO
kuphal at dls.net
Tue Feb 7 19:14:28 UTC 2006
Robert Kulagowski wrote:
> From the HOWTO:
> To playback HDTV content, plan on a powerful CPU. "How powerful?"
> depends on a number of factors, such as the capture resolution, whether
> the video is progressive or interlaced, and whether your display card
> has hardware-assist support for Linux. For 720p content (1280x720), a
> 2.4GHz P4 should be sufficient.
> For 1920x1080i->1920x1080p with the better deinterlacing methods
> done in real time a 2.4GHz CPU is taxed, but should work if you use "Bob
> and Weave" deinterlacing, or if you have an NVIDIA card with MPEG-2
> hardware acceleration. If you enable the hardware acceleration, you may
> be able to use a 1.8GHz processor.
> I'm looking for feedback from people that are running HDTV with
> lower-end processors; I've got a 2.4Ghz HT P4, nvidia 7676 and a 1080i
> program with XvMC still surges: about 2 seconds of regular speed, then
> a micropause of about .5 seconds, then repeat; not sure if this is tied
> into trac bug #1219 or if it's CPU bound. I'm even more concerned with
> the statement that a 1.8Ghz should be good enough.
My Athlon 2000 plays back the test 1080i clip I have perfectly fine with
Nvidia 7676 and XvMC on an MX440.
More information about the mythtv-users