1.\" $NetBSD: dtv.4,v 1.9 2011/08/30 07:24:01 jruoho Exp $ 2.\" 3.\" Copyright (c) 2011 The NetBSD Foundation, Inc. 4.\" All rights reserved. 5.\" 6.\" This code is derived from software contributed to The NetBSD Foundation 7.\" by Thomas Klausner. 8.\" 9.\" Redistribution and use in source and binary forms, with or without 10.\" modification, are permitted provided that the following conditions 11.\" are met: 12.\" 1. Redistributions of source code must retain the above copyright 13.\" notice, this list of conditions and the following disclaimer. 14.\" 2. Redistributions in binary form must reproduce the above copyright 15.\" notice, this list of conditions and the following disclaimer in the 16.\" documentation and/or other materials provided with the distribution. 17.\" 18.\" THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 19.\" ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 20.\" TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 21.\" PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 22.\" BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 23.\" CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 24.\" SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 25.\" INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 26.\" CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 27.\" ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 28.\" POSSIBILITY OF SUCH DAMAGE. 29.\" 30.Dd August 30, 2011 31.Dt DTV 4 32.Os 33.Sh NAME 34.Nm dtv 35.Nd interface for digital television 36.Sh SYNOPSIS 37.Cd "dtv* at dtvbus?" 38.Pp 39.In dev/dtv/dtvio.h 40.In dev/dtv/dtvio_demux.h 41.In dev/dtv/dtvio_frontend.h 42.Sh DESCRIPTION 43The machine-independent 44.Nm 45interface provides support for digital television 46.Pq Dv DTV . 47A subset of the Linux Digital Video Broadcasting 48.Pq Dv DVB 49.Dv APIs 50is supported. 51In particular, 52.Nm 53provides the DVB frontend and demodulator 54.Dv APIs . 55.Sh SUPPORTED DEVICES 56The following machine-independent devices are supported: 57.Bl -tag -width "auvitek(4) " -offset indent 58.It Xr auvitek 4 59Auvitek AU0828-based video capture cards 60.It Xr emdtv 4 61EM28XX-based DTV cards 62.\" 63.\" XXX: Uncomment once the stub-pages are actually installed. 64.\" 65.\" .It Xr coram 4 66.\" Hauppauge WinTV-HVR-1250 67.\" .It Xr cxdtv 4 68.\" Conexant CX2388X-based DTV cards 69.El 70.Pp 71Note that the 72.Nm 73device drivers are generally only available as kernel modules; see 74.Xr module 7 75and 76.Xr modload 8 77for additional details. 78Refer to 79.Xr dtviic 4 80for details about the supported demodulators and tuners. 81.Sh FILES 82.Bl -tag -width 28n 83.It Pa /dev/dvb/adapterN/frontend0 84The frontend device, for controlling the tuner and demodulator hardware. 85.It Pa /dev/dvb/adapterN/demux0 86The demux device, for controlling the hardware filters. 87.It Pa /dev/dvb/adapterN/dvr0 88Digital video recording device. 89.El 90.Sh SEE ALSO 91.Xr auvitek 4 , 92.Xr dtviic 4 , 93.Xr emdtv 4 , 94.\" coram 4 , 95.\" cxdtv 4 , 96.Xr video 9 97.Pp 98.Pa pkgsrc/multimedia/dvb-apps , 99.Pa pkgsrc/multimedia/mplayer 100.Rs 101.%T Linux Media Infrastructure API. 102.%T Part II. Linux DVB API 103.%D 2011 104.%U http://linuxtv.org/downloads/v4l-dvb-apis/dvbapi.html 105.Re 106.Sh HISTORY 107The 108.Nm 109interface first appeared in 110.Nx 6.0 . 111.Sh AUTHORS 112.An Jared D. McNeill 113.Aq jmcneill@invisible.ca 114