[MPlayer-dev-eng] Re: [PATCH] New video filter: deblendlogo

[Trent Piepho]

On Thu, 24 Feb 2005, D Richard Felker III wrote:
> if you premultiply and convert back to 8bit samples, a bit of
> precision is lost. don't know if it will be visible. converting
> everything to use fixed point, and keeping the logo image as 8.8 fixed
> point would probably make things a lot faster and keep all the
> accuracy.

He using floating point now.  So you would want to store the logo as either
floats or fixed point, with fixed point probably faster.  Of course this
operation is begging for a MMX and SSE implimentation, it would be so easy. 
It would be nice to be able to de-logo live TV.