Using VDPAU drops the cpu requires to practically nothing. For
example, my weakest VDR box is running on an Intel Atom 230 1.6ghz
with ION gpu (1st gen). Watching 1080i with temporal-spatial
deinterlace, the cpu hovers around 12%. Even when using software
deinterlacing, it doesn't take a lot of cpu horsepower until you want
to use advanced/high quality deinterlacers.
That being said, it's hard to beat VDPAU. For the cost of about a $30
video card, you can turn an old piece of crap pc collecting dust in
your closet, into a full-blown htpc.
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