[mythtv] #1058 - what now?

Isaac Richards ijr at case.edu
Fri Jan 27 16:40:32 UTC 2006

On Friday 27 January 2006 11:32, Ivor Hewitt wrote:
> On Friday 27 January 2006 16:28, Buzz wrote:
> > Would it be possible to scale the video down to the 'maximum XvImage
> > size' (or somewhere under it)?
> No. Well not that there's any point. :)
> Xv is what's providing the performance for scaling the video to your screen
> res.... if you scale the video before passing it to Xv then you're doing
> the scaling in software and there's not advantage to using Xv (ok, well
> apart from the colourspace conversion).

Furthermore, it's decoding directly into those XvImages.  Scaling first would 
be adding an extra huge frame-sized memcpy to every frame which would also 
negatively impact performance.

Jjust buy a real video card if you want to display HD.


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