From owner-freebsd-multimedia  Fri Jun 26 08:34:33 1998
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Date: Fri, 26 Jun 1998 17:33:42 +0200
From: Eivind Eklund <eivind@yes.no>
To: Roger Hardiman <roger@cs.strath.ac.uk>,
        Amancio Hasty <hasty@rah.star-gate.com>
Cc: freebsd-multimedia@FreeBSD.ORG
Subject: Re: Improvements to the bt848 driver - SW Pan and Zoom.
References: <199806260910.CAA00703@rah.star-gate.com> <35937185.27CF@cs.strath.ac.uk>
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In-Reply-To: <35937185.27CF@cs.strath.ac.uk>; from Roger Hardiman on Fri, Jun 26, 1998 at 11:01:41AM +0100
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On Fri, Jun 26, 1998 at 11:01:41AM +0100, Roger Hardiman wrote:
> Hi all.
> 
> I've been thinking about an improvement to the bt848 driver.
> The same could be made to the meteor driver too.
> 
> I'd like to grab from a sub-section of the video image.
[...]
> Now all these things can be performed by grabbing a full image and
> then copying the parts you need. However, the hardware still
> has to cope with moving a full video image around.
> 
> For the bt848 this needs some new IOCTLS and changes to the
> dma_progs.
> 
> Any comments on this?

I think it sounds like a good capability to use, if it can be done
without totally re-structuring the driver (or you're offering to both
do the work and coordinate with everybody else that work on the driver
:-)

Eivind.


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