ATI X1300 Video Card and HD at 100%

[WeidnerJ]

All,

I have a AMD 3.2 x64 PC with 1 gig RAM, 160 gig SATA-I hard drive using 64k block size and still get 100% CPU while watching HD video under Windows XP. Doesn't matter it is being tuned on a PVR-950 or HD Homerun tuner.

From what I can tell is that HD uses 1920 x 1080 video format and my PC is choking on it. Now the question is what MPEG decoder should I use to use the build in MPEG decoding function on my ATI video card? I know that Nvidia has there Purevideo solution but is ATI's version? Avivo doesn't show up under Sage TV as an MPEG option. Any help would greatly be appriciated!

[jlabrue]

I use NVidia and Sonic Cinemaster decoders for my X1300 and it plays HD flawlessly with a AMD64 2800 with 1Gb ram. My complaint about the X1300 is the quality of SD material. I got this X1300 to replace and ATI 9550 for better HD performance and I got that but my SD is absolutely horrendous. I have major ghosting during action scenes so bad it is almost unwatchable. My 9550 played SD superbly but the X1300 sucks! As someone moves the image stays on the screen for a second and usually I have two or three "trails" behind the actual object in the scene. I never see this with HD though. My CPU runs around 10-20% during HD playback with either decoder at 1920x1080i.

[jkohn]

WeidnerJ,

I've found the PowerDVD 7 video decoder to be the best match for ATI cards. I can't get SPDIF from their audio decoder though so I use AC3Filter 1.11 (free download) for audio. I also use Reclock, which seems to have fixed some stuttering problems I was having with 1080i.

[jkohn]

jlabrue,

the problem you're describing sounds like the temporal denoising that ATI added to the more recent driver sets. There's a registry setting you can use to disabled it, see this thread

[flavius]

Looks like ATI still doesn't give a sh*t.

[jlabrue]

Originally Posted by jkohn

jlabrue,

the problem you're describing sounds like the temporal denoising that ATI added to the more recent driver sets. There's a registry setting you can use to disabled it, see this thread

Thank, I'll five that a try. ANYTHING is better than the crappy picture I am getting now.

[jlabrue]

Originally Posted by jkohn

jlabrue,

the problem you're describing sounds like the temporal denoising that ATI added to the more recent driver sets. There's a registry setting you can use to disabled it, see this thread

Dude, you are my freakin hero! It worked like a charm! I have wasted the last two months tolerating that crappy picture thinking it was a HW issue since I didn't get it until I replaced my card. It looks like it maybe a combination of HW and driver. Maybe the 9550 doesn't have the ability to TRDenoise like the X1300. Thanks again

[jkohn]

Glad it worked for you.

[WeidnerJ]

I found out why I was having so much trouble. The issue was the I replaced the video card from a Nvidia TI4600 video card to a ATI x1300 card. I reloaded the PC and the processor utilization dropped to about 20% or so.

[jlabrue]

Sweet, glad you're fixed as well.