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List:       linux-video
Subject:    Re: [video4linux] Alex: channels
From:       Bill Dirks <dirks () rendition ! com>
Date:       1998-07-28 18:06:39
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Alan Cox wrote:
> > What about ordinary read() calls? This is the basic functionality. IMHO,
> > anything that claims to be a video capture card should support this. > 
> There are devices that can analog overlay but not capture. Othwerwise yes

We agree.

> > I haven't spec'ed pan-tilt-zoom in, but I hope it's at least be possible
> > without violating the spec. Something for us to think about.
> 
> Adding the subfield you want to capture covers that

Yes. We have to define the subfield in a device-independent way, and an
interlace-independent way.

Bill.
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