230 lines
6.1 KiB
Groff
230 lines
6.1 KiB
Groff
.\" $NetBSD: fwctl.8,v 1.17 2014/03/18 18:20:46 riastradh Exp $
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.\"
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.\" Copyright (c) 2005 KIYOHARA Takashi
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.\" All rights reserved.
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.\"
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.\" Copyright (c) 2002 Hidetoshi Shimokawa
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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 AUTHOR ``AS IS'' AND ANY EXPRESS OR
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.\" IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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.\" WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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.\" DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
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.\" INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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.\" (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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.\" SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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.\" STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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.\" 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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.\" $FreeBSD: src/usr.sbin/fwcontrol/fwcontrol.8,v 1.21 2007/10/31 05:59:17 brueffer Exp $
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.\"
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.Dd August 24, 2010
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.Dt FWCTL 8
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.Os
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.Sh NAME
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.Nm fwctl
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.Nd IEEE1394 control utility
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.Sh SYNOPSIS
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.Nm
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.Op Fl prt
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.Op Fl b Ar pri_req
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.Op Fl c Ar node
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.Op Fl d Ar node
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.Op Fl g Ar gap_count
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.Op Fl l Ar file
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.Op Fl M Ar mode
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.Op Fl m Ar EUI64 | hostname
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.Op Fl o Ar node
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.Op Fl R Ar filename
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.Op Fl S Ar filename
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.Op Fl s Ar node
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.Op Fl u Ar bus_num
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.Sh DESCRIPTION
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The
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.Nm
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utility is designed to provide a way for users to access and control
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the
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.Nx
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IEEE1394 subsystem.
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Without options,
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.Nm
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will output a list of devices that are/were connected to the bus.
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.Pp
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The following options are available:
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.Bl -tag -width XmXEUI64XhostnameXX -offset indent
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.It Fl b Ar pri_req
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Set the
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.Dv PRIORITY_BUDGET
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register on all supported nodes.
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.It Fl c Ar node
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Show the configuration ROM on the node.
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.It Fl d Ar node
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Hex dump of the configuration ROM.
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.It Fl f Ar node
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Force specified
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.Ar node
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to be the root node on the next bus reset by sending a PHY config packet.
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Valid values are 0 - 63.
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.It Fl g Ar gap_count
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Broadcast new
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.Ar gap_count
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by phy_config packet.
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By default this value is 63 on all nodes.
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Valid values are 0 - 63.
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.It Fl i Ar pri_req
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Set the
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.Dv PRIORITY_BUDGET
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register on all supported nodes.
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.It Fl l Ar file
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Load hex dump file of the configuration ROM and parse it.
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.It Fl M Ar mode
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Explicitly specify either
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.Ar dv
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or
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.Ar mpeg
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mode for the incoming stream.
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Only meaningful in case of and must precede the
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.Fl R
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option.
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If not specified, the program will try to guess.
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In case of
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.Dq format 0x20
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error, try to force the
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.Ar mpeg
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mode.
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.It Fl m Ar EUI64 | hostname
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Set default fwmem target.
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Hostname will be converted to EUI64.
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.It Fl o Ar node
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Send a link-on PHY packet to the node.
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.It Fl p
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Dump PHY registers.
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.It Fl R Ar filename
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Receive DV or MPEG TS stream and dump it to a file.
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Use Ctrl-C to stop receiving.
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Some DV cameras seem not to send the stream if a bus manager exits.
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If you cannot get the stream, try the following commands:
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.Bd -literal -offset indent
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sysctl hw.ieee1394if.try_bmr=0
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fwctl -r
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.Ed
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.Pp
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The resulting file contains raw DV data excluding isochronous header
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and CIP header.
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It can be handled by the
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.Pa pkgsrc/multimedia/libdv
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package.
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The resulting MPEG TS stream can be played and sent over a network using
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the VideoLAN tool
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.Pa ( pkgsrc/multimedia/vlc ) .
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The stream can be piped directly to
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.Nm vlc ,
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see
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.Sx EXAMPLES .
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.It Fl r
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Initiate bus reset.
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.It Fl S Ar filename
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Send a DV file as isochronous stream.
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.It Fl s Ar node
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Write to the
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.Dv RESET_START
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register on the node.
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.It Fl t
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Show the topology map.
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.It Fl u Ar bus_num
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Specify the IEEE1394 bus number to be operated on.
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The default is bus 0.
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.El
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.Sh FILES
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.Bl -tag
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.It Pa /dev/fw0.0
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.El
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.Sh EXAMPLES
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Each DV frame has a fixed size and it is easy to edit the frame order.
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.Pp
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.Dl "fwctl -R original.dv"
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.Pp
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Receive a DV stream with DV camera attached.
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.Pp
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.Dl "dd if=original.dv of=first.dv bs=120000 count=30"
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.Pp
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Get first 30 frames (NTSC).
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.Pp
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.Dl "dd if=original.dv of=second.dv bs=120000 skip=30 count=30"
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.Pp
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Get second 30 frames (NTSC).
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.Pp
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.Dl "cat second.dv first.dv | fwctl -S /dev/stdin"
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.Pp
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Swap first and second 30 frames and send them to DV recorder.
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.Pp
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For PAL, replace
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.Dq Li bs=120000
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with
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.Dq Li bs=144000 .
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.Pp
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.Dl "fwctl -R file.m2t"
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.Pp
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Receive an MPEG TS stream from a camera producing MPEG transport stream.
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This has been tested with SONY HDR-FX1E camera that produces HD
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MPEG-2 stream at 25 Mbps bandwidth.
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.Pp
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To send the stream from the camera over the network using TCP (which
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surprisingly works better with vlc), you can use
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.Dl "fwctl -R - | nc 192.168.10.11 9000"
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with
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.Pa pkgsrc/net/netcat
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and to receive the stream, use
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.Dl nc -l -p 9000 | vlc -
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.Pp
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To netcast via UDP, you need to use
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.Pa pkgsrc/misc/buffer ,
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since vlc is not fast enough to read UDP packets from
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buffers and thus it experiences dropouts when run directly.
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The sending side can use
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.Dl "fwctl -R - | nc 192.168.10.11 9000"
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and to receive the stream, use
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.Dl nc -l -u -p 9000 | buffer -s 10k -b 1000 -m 20m -p 5 | vlc -
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.Pp
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For more information on how to work with
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.Nm vlc
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see its documentation.
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.Sh SEE ALSO
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.Xr mplayer 1 ,
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.Xr vlc 1 ,
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.Xr fwip 4 ,
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.Xr fwohci 4 ,
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.Xr ieee1394if 4 ,
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.Xr sbp 4
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.Sh HISTORY
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The
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.Nm
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command first appeared in
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.Fx 5.0 ,
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as
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.Ic fwcontrol .
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It was added to
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.Nx 4.0
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under its present name.
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.Sh AUTHORS
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.An Hidetoshi Shimokawa Aq Mt simokawa@FreeBSD.org
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.An Petr Holub Aq Mt hopet@ics.muni.cz
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- MPEG TS mode.
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.An KIYOHARA Takashi Aq Mt kiyohara@NetBSD.org
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.Sh BUGS
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This utility is still under development and provided for debugging
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purposes.
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Especially MPEG TS reception support is very rudimental and supports only
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high-bandwidth MPEG-2 streams (fn field in CIP header equals 3).
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