From: Wolfgang Denk <wd@denx.de>
To: Federico Lucifredi <flucifredi@acm.org>
Cc: "Linux-ppc \[mailing list\]" <linuxppc-embedded@ozlabs.org>
Subject: Re: Frame Buffer and Y Cb Cr
Date: Fri, 07 Jan 2005 23:30:07 +0100 [thread overview]
Message-ID: <20050107223012.8C3A6C14E3@atlas.denx.de> (raw)
In-Reply-To: Your message of "Fri, 07 Jan 2005 16:13:45 EST." <41DEFB89.5060404@acm.org>
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
prev parent reply other threads:[~2005-01-07 22:30 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-01-07 21:13 Frame Buffer and Y Cb Cr Federico Lucifredi
2005-01-07 22:30 ` Wolfgang Denk [this message]
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20050107223012.8C3A6C14E3@atlas.denx.de \
--to=wd@denx.de \
--cc=flucifredi@acm.org \
--cc=linuxppc-embedded@ozlabs.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).