[mythtv-users] CPU not enough to drive 1080P? Core2duo
Mark Hutchinson
mark at onnow.net
Wed Feb 6 01:00:53 UTC 2008
On 5-Feb-08, at 5:52 PM, Robert McNamara wrote:
> It's very unlikely that this particular C2D will have the oomph to
> play 1080p at anything over a low bitrate. Yes, cue all the people
> talking about how their lower-spec processor is able to play 1080p
> stuff, etc., etc. I have this argument in the IRC channel on a
> near daily basis. Stuff people download is *not* high bitrate and
> tends to be around 10 Mbit/s. Real 1080p material *starts* at about
> twice that (18 Mbit) and Blu-ray's spec goes up to 40 Mbit/s.
>
> That said, it's very very very doubtful that anything you're getting
> from television is 1080p. It's far more likely that it's 1080i and
> that material should be fairly easy for this machine to handle. I
> have heard rumblings about xv-blit being problematic with 8600
> series nvidia cards. Have you tried the OpenGL video renderer for
> this material? It may work much better in this case. Since you are
> running SVN, you need to have compiled with --enable-opengl-video,
> and you can then adjust your playback profiles to make opengl the
> renderer across the board.
>
> Let me know.
You are right, from the HD Settop box, it is 1080i. Would it be
better to get a better vid card ( not the 8600 ) or recompile? If I
do recompile, how do I enable that for playback profiles? I am not
familiar with that?
Thank you,
Mark
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