[mythtv-users] Deinterlacers with Atom/Ion + VDPAU?

TJ Harris tjharris at weaselworkz.com
Tue Nov 10 05:44:09 UTC 2009

On Mon, Nov 9, 2009 at 8:44 PM, Scott <list-mythtv at bluecamel.eml.cc> wrote:
> On Nov 9, 2009, at 10:57 PM, Johnny wrote:
>>> I have been really happy with my Ion-based Acer AspireRevo frontend.
>>> HD MPEG2 VDPAU decoding with one-field deinterlacing takes less than
>>> 10% CPU and looks great.
>>> I wanted to compare some of the other deinterlacing methods, but got
>>> choppy playback on any of the others I tried.
>>> Which deinterlacing methods are supported with the Ion chipset?
>> I don't have an ION but from what I have read on the list and from the
>> wiki (http://www.mythtv.org/wiki/VDPAU#Supported_Cards) the ION
>> (9400M) should be able to handle all of the VDPAU deinterlacers except
>> Advanced 2x.
> That's my experience as well. I have the ASRock 330 ION with the 9400M. For
> 1080i material I use the Temporal 2x. For 720p and DVDs the Advanced 2x
> works fine. There is a small pause/stutter as the OSD fades off the screen
> for 1080i material. I haven't looked or don't remember seeing it on 720p
> though. My CPU with 1080i and Temporal 2x is about 2% user according to top.

Hmm.. maybe it was a combination of factors rather than just the
deinterlacer settings.  I could reproduce the behavior by switching
deint settings, but I'll try tweaking other settings too.

Thanks for the responses.

More information about the mythtv-users mailing list