Re: SAA7111A YUV

From: Will (wv9557_at_yahoo.com)
Date: 04/05/04 

Date: 4 Apr 2004 20:40:37 -0700

Hans-Bernhard Broeker <broeker@physik.rwth-aachen.de> wrote in message news:<c4m6gj$ane$3@nets3.rz.RWTH-Aachen.DE>...
> Wang Feng <fwang11@pub3.fz.fj.cn> wrote:
>
> > I have stored YUV422 16 bit data from Philips SAA7111A. The Y data
> > and UV data in 2 files.
>
> Why two files? That's not going to make any of the work any easier.
>
> > Now hot to combine Y and UV into RGB format for display on PC?
>
> IMHO that's outside the topic of c.a.embedded. Google for Charles
> Poynton's Color FAQ or go over to comp.graphics.algorithms to find its
> regular posting.
>
> In short: you'll have to interpolate up from YUV422 to YUV444, then
> convert the result to RGB.
>
> Not that on most modern PCs, you don't even have to do that yourself.
> As most video content is in YUV format, the OS and even the graphics
> hardware now have support for this file format.

DirectX (DirectDraw) can display surfaces in YUV format. You might want to ask
this on Windows programming groups.

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