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

Brad Templeton brad+myth at templetons.com
Sat Nov 14 19:51:37 UTC 2009

On Mon, Nov 09, 2009 at 11:44:10PM -0500, Scott 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.

Just a late note.   There is no deinterlacer used on 720p.  It is a progressive
format not an interlaced one.    Your DVDs are also progressive these days

You only use the deinterlacer on 1080i and 480i and some content you download
from the net.   The mpeg decoder you use on all content.

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