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To: Federico Lucifredi <flucifredi@acm.org>
From: Wolfgang Denk <wd@denx.de>
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In-reply-to: Your message of "Fri, 07 Jan 2005 16:13:45 EST."
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Date: Fri, 07 Jan 2005 23:30:07 +0100
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Cc: "Linux-ppc \[mailing list\]" <linuxppc-embedded@ozlabs.org>
Subject: Re: Frame Buffer and Y Cb Cr 
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In message <41DEFB89.5060404@acm.org> you wrote:
> 
>     My trouble is: Linux sends me R G B and the hardware expects Y Cb 
> Cr. As things work through a memory-mapped file, I am at a loss for an 
> "intelligent" way to intercept and convert these values.

Have a look at the arch/ppc/8xx_io/viedo* files in our old  linux-2.4
tree  on the CVS server - this driver is for the video contoller on a
MPC823 wich needs YCbCr.

Best regards,

Wolfgang Denk

-- 
Software Engineering:  Embedded and Realtime Systems,  Embedded Linux
Phone: (+49)-8142-66989-10 Fax: (+49)-8142-66989-80 Email: wd@denx.de
Sometimes a feeling is all we humans have to go on.
	-- Kirk, "A Taste of Armageddon", stardate 3193.9