[mythtv-users] Slowest processor for software HDTV decoding

[Joe Barnhart]

--- Seth Heckard <seth.lists at gmail.com> wrote:

> Basically, I am asking for the slowest (and theroretically cheapest)
> processor that can decode all HD formats, and ideally have headroom
> left over for things like commercial flagging and deinterlacing if
> required.

I think you also have to specify the final output size.  I get the
impression that 1280x720p output is easier than 1920x1080i.  Note, the
SOURCE material could be in either format, but the size of the DISPLAY
resolution is what I'm talking about here (i.e. the "modeline" you're
using).

I use a 1080i modeline and I could not use an Athlon XP 2800 and get
satisfactory output.  I had to go to a 3GHz P4 with hyperthreading to
get the headroom you speak of.  (Recently I discovered that 512M wasn't
enough, either. I have two HD-3000 cards, and comm flagging was killing
me at 512M.)


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