66 lines
2.3 KiB
Groff
66 lines
2.3 KiB
Groff
.\" $NetBSD: uvideo.4,v 1.8 2014/03/18 18:20:39 riastradh Exp $
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.\"
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.\" Copyright (c) 2008 Patrick Mahoney
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.\" All rights reserved.
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.\"
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.\" Redistribution and use in source and binary forms, with or without
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.\" modification, are permitted provided that the following conditions
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.\" are met:
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.\" 1. Redistributions of source code must retain the above copyright
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.\" notice, this list of conditions and the following disclaimer.
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.\" 2. Redistributions in binary form must reproduce the above copyright
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.\" notice, this list of conditions and the following disclaimer in the
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.\" documentation and/or other materials provided with the distribution.
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.\"
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.\" THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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.\" ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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.\" TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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.\" PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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.\" BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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.\" CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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.\" SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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.\" INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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.\" CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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.\" ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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.\" POSSIBILITY OF SUCH DAMAGE.
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.\"
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.Dd September 20, 2011
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.Dt UVIDEO 4
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.Os
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.Sh NAME
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.Nm uvideo
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.Nd USB video device driver
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.Sh SYNOPSIS
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.Cd "uvideo* at uhub?"
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.Cd "video* at videobus?"
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.Sh DESCRIPTION
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The
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.Nm
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driver provides support for
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.Tn USB
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video class devices.
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.Pp
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A
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.Tn USB
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video device consists of a number of components.
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Every device has one control interface.
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Each device optionally provides streaming interfaces (input or output).
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.Sh SEE ALSO
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.Xr usb 4 ,
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.Xr video 4 ,
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.Xr video 9
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.Rs
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.%T "USB Approved Class Specification Documents"
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.%U http://www.usb.org/developers/devclass_docs/
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.Re
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.Sh AUTHORS
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.An Patrick Mahoney Aq Mt pat@polycrystal.org
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.Sh BUGS
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Does not support all of UVC spec.
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Only supports the one streaming input interface.
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Does not support the interrupt endpoint for some controls.
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.Pp
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Exports the Video4Linux2 API via
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.Xr video 9 ,
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and V4L2 lacks support for some UVC features such as still images.
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