From: Steven Walter <srwalter@yahoo.com>
To: Pavel Machek <pavel@suse.cz>
Cc: linux-kernel@vger.kernel.org
Subject: Re: v4l interface questions
Date: Mon, 27 Aug 2001 20:39:49 -0500 [thread overview]
Message-ID: <20010827203949.B19422@hapablap.dyn.dhs.org> (raw)
In-Reply-To: <20010827231126.A21664@bug.ucw.cz>
In-Reply-To: <20010827231126.A21664@bug.ucw.cz>; from pavel@suse.cz on Mon, Aug 27, 2001 at 11:11:26PM +0200
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
next prev parent reply other threads:[~2001-08-28 1:41 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2001-08-27 21:11 v4l interface questions Pavel Machek
2001-08-28 1:39 ` Steven Walter [this message]
2001-08-28 7:14 ` Gerd Knorr
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