114 lines
3.3 KiB
Groff
114 lines
3.3 KiB
Groff
.\" $NetBSD: dtv.4,v 1.9 2011/08/30 07:24:01 jruoho Exp $
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.\"
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.\" Copyright (c) 2011 The NetBSD Foundation, Inc.
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.\" All rights reserved.
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.\"
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.\" This code is derived from software contributed to The NetBSD Foundation
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.\" by Thomas Klausner.
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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 August 30, 2011
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.Dt DTV 4
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.Os
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.Sh NAME
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.Nm dtv
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.Nd interface for digital television
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.Sh SYNOPSIS
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.Cd "dtv* at dtvbus?"
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.Pp
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.In dev/dtv/dtvio.h
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.In dev/dtv/dtvio_demux.h
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.In dev/dtv/dtvio_frontend.h
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.Sh DESCRIPTION
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The machine-independent
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.Nm
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interface provides support for digital television
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.Pq Dv DTV .
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A subset of the Linux Digital Video Broadcasting
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.Pq Dv DVB
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.Dv APIs
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is supported.
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In particular,
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.Nm
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provides the DVB frontend and demodulator
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.Dv APIs .
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.Sh SUPPORTED DEVICES
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The following machine-independent devices are supported:
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.Bl -tag -width "auvitek(4) " -offset indent
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.It Xr auvitek 4
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Auvitek AU0828-based video capture cards
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.It Xr emdtv 4
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EM28XX-based DTV cards
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.\"
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.\" XXX: Uncomment once the stub-pages are actually installed.
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.\"
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.\" .It Xr coram 4
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.\" Hauppauge WinTV-HVR-1250
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.\" .It Xr cxdtv 4
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.\" Conexant CX2388X-based DTV cards
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.El
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.Pp
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Note that the
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.Nm
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device drivers are generally only available as kernel modules; see
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.Xr module 7
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and
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.Xr modload 8
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for additional details.
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Refer to
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.Xr dtviic 4
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for details about the supported demodulators and tuners.
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.Sh FILES
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.Bl -tag -width 28n
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.It Pa /dev/dvb/adapterN/frontend0
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The frontend device, for controlling the tuner and demodulator hardware.
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.It Pa /dev/dvb/adapterN/demux0
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The demux device, for controlling the hardware filters.
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.It Pa /dev/dvb/adapterN/dvr0
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Digital video recording device.
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.El
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.Sh SEE ALSO
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.Xr auvitek 4 ,
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.Xr dtviic 4 ,
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.Xr emdtv 4 ,
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.\" coram 4 ,
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.\" cxdtv 4 ,
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.Xr video 9
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.Pp
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.Pa pkgsrc/multimedia/dvb-apps ,
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.Pa pkgsrc/multimedia/mplayer
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.Rs
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.%T Linux Media Infrastructure API.
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.%T Part II. Linux DVB API
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.%D 2011
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.%U http://linuxtv.org/downloads/v4l-dvb-apis/dvbapi.html
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.Re
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.Sh HISTORY
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The
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.Nm
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interface first appeared in
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.Nx 6.0 .
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.Sh AUTHORS
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.An Jared D. McNeill
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.Aq jmcneill@invisible.ca
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