Re: v4l interface questions

From: Steven Walter (srwalter@yahoo.com)
Date: Mon Aug 27 2001 - 20:39:49 EST


On Mon, Aug 27, 2001 at 11:11:26PM +0200, Pavel Machek wrote:
> I have device (vicam == usb 3com homeconnect camera), which would like to
> fit into v4l framework. But... mmap is not really native operation for
> usb. Should I emulate it, or just return unsupported and expect
> applications to use read()?
>
> Similar problem is there with formats. vicam has some really strange
> formats. Should I do conversion in kernel?

Don't do conversion in the kernel.

> Is there some usermode program that can handle camera without mmap
> ability and can support arbitrary screen sizes + 16bpp grayscale?

-- 
-Steven
In a time of universal deceit, telling the truth is a revolutionary act.
			-- George Orwell
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