ATI/AIW MPEG-2 Capture has Green Snow

[arDuck]

Y'all

I captured a few music videos via composite connection from my DishPVR using the ATI/AIW Radeon with a profile matching the 352x480 cartoon template in the guide posted by lordsmurf. No dropped frames, audio in sync and everything else happy except the captured file has green snow (like pixellation) in darker areas of the picture w/ both MediaPlayer and ATI File Player.

Any clues?

Thanks.

Computer: 2.4g P4, P4PE, 512MB PC2700, 17g w/60g capture hd.

[lordsmurf]

Are you using good wires? Sounds like errors from faulty wires being picked up as noise. Or the source image is so dark that you're getting black-level loss (present in all MPEG files, even the pro ones).

[arDuck]

I thought about changing to S-Video to see if there was any quality difference, but the preview looks fine, so hadn't done that yet. I only have one S-Video out of the DishPVR so I went with composite. I picked some of the best composite wires that I have to make the connection. I will experiment a little and see what happens.

BTW, thanks for your guides. I have never been this close to satisfaction with the AIW before (visually speaking of course)

[arDuck]

Are you using good wires? Sounds like errors from faulty wires being picked up as noise. Or the source image is so dark that you're getting black-level loss (present in all MPEG files, even the pro ones).

Swapped wires, re-routed wires, tried different capture templates, tinkered with gamma settings and still no joy. I'm beginning to think the ATI may be hosed. It does hardware MPEG compression doesn't it?

[Sartori]

Is it only on your captures that it does the green snow or are older videos doing it as well ? If my pc has a load of progs running , watching video then gives me something like what you are describing , but by closing down all my progs it brings all the colours back .


2.1 AMD AIW Radeon 160gigs HD

[arDuck]

Is it only on your captures that it does the green snow or are older videos doing it as well ? If my pc has a load of progs running , watching video then gives me something like what you are describing , but by closing down all my progs it brings all the colours back .

It is only on new captures with the AIW. Captures with the AverMedia card didn't exhibit that problem. As far as CPU load, I followed the optimization guides for XP linked elsewhere on the site (no network, manual start every non-essential service, turn off auto-recover, etc). I haven't watched CPU load in task manager while capturing, but I would expect dropped frames if the CPU was overloaded.

[Heavensent]

try to take the card out and put it in again.
maybe its not sitting exactly how it should.

[FOO]

At least it's not yellow snow