[mythtvnz] cpu requirements for h.264

Rama Madhusudhan rama.madhusudhan at gmail.com
Tue Nov 9 02:28:59 GMT 2010


I have an Nvidia 7200 video card on my desktop system which doesn't do h.264
decode.  So I am reliant on the software decode.   I would say my
recordings/livetv pauses every 5 seconds or so making it unwatchable.
Anyway doesn't an Nvidia video card that is capable of h.264 decode do the
job without chewing cpu.  I am waiting to upgrade my TV to upgrade my video
card.  Admittedly upgrading video card on a laptop is not doable.

Rama

On Mon, Nov 8, 2010 at 10:46 PM, Jonathan Hoskin
<jonathan.hoskin at gmail.com>wrote:

> > quick query, i have a laptop with a dual-core T7500 CPU that I would like
> to use as a frontend.  It has an Intel X3100 graphics card, which won't help
> with H.264, so its purely software decoding.
> > Currently running Ubuntu 10.04 (x64).
> >
> > It appears to ALMOST play back TV1/2/3.  The picture/sound quality is
> excellent, but every 10-60 seconds there will be a brief 1/4 second pause.
>  Apart from this brief pause, everything else is fine.
> > It seems like i'm almost there, so is there anything I can do to slightly
> improve matters?
>
>
> With a 2.2Ghz C2D, you're maybe 600-800Mhz off the pace? My current
> notebook has a C2D T9900 (3.06Ghz) and it only just cuts it for
> software-only decode. And it gets *hot* doing so.
>
>
> --
> Jonathan
>
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