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b57e04419b
Signed-off-by: B. Watson <yalhcru@gmail.com> Signed-off-by: Willy Sudiarto Raharjo <willysr@slackbuilds.org>
277 lines
8.3 KiB
Text
277 lines
8.3 KiB
Text
.\" Manual page for jamulus
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.\" Copyright (c) 2021
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.\" mirabilos <tg@debian.org>
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.\" Published under the same terms as jamulus itself.
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.\"-
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.Dd December 7, 2021
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.Dt JAMULUS "1x" "SlackBuilds.org"
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.Os jamulus-3.8.1
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.Sh NAME
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.Nm jamulus
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.Nd real-time collaborative music session
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.Sh SYNOPSIS
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.Nm
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.Op Fl 6 | Fl \-enableipv6
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.Op Fl c | Fl \-connect Ar address
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.Op Fl d | Fl \-discononquit
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.Op Fl e | Fl \-directoryserver Ar hostname
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.Op Fl e | Fl \-directoryfile Ar filename
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.Op Fl F | Fl \-fastupdate
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.Op Fl f | Fl \-listfilter Ar filter
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.Op Fl h | Fl \&? | Fl \-help
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.Op Fl i | Fl \-inifile Ar file
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.Op Fl j | Fl \-nojackconnect
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.Op Fl L | Fl \-licence
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.Op Fl l | Fl \-log Ar file
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.Op Fl M | Fl \-mutestream
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.Op Fl m | Fl \-htmlstatus Ar file
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.Op Fl n | Fl \-nogui
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.Op Fl o | Fl \-serverinfo Ar info
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.Op Fl p | Fl \-port Ar number
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.Op Fl P | Fl \-delaypan
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.Op Fl Q | Fl \-qos Ar value
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.Op Fl R | Fl \-recording Ar directory
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.Op Fl s | Fl \-server
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.Op Fl T | Fl \-multithreading
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.Op Fl t | Fl \-notranslation
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.Op Fl u | Fl \-numchannels Ar channels
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.Op Fl v | Fl \-version
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.Op Fl w | Fl \-welcomemessage Ar message
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.Op Fl z | Fl \-startminimized
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.Op Fl \-clientname Ar name
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.Op Fl \-ctrlmidich Ar MIDISetup
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.Op Fl \-mutemyown
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.Op Fl \-norecord
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.Op Fl \-serverpublicip Ar ip
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.Op Fl \-showallservers
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.Op Fl \-showanalyzerconsole
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.Sh DESCRIPTION
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.Nm jamulus ,
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a low-latency audio client and server, enables musicians to perform real-time
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.Dq jam
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sessions over the internet.
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It is available across multiple platforms, so participants of any field
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can communicate without specialist setup requirements.
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This is not restricted to music, of course; other use
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.Pq perhaps conferencing?
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is also possible.
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.Pp
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One participant starts
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.Nm
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in server mode, ideally on a dedicated server (virtual) machine;
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all participants start the (graphical) client which transmits audio
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to the server, receiving back a mixed stream.
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Use of a metronome is recommended.
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Clients should be connected using ethernet, not wireless, and use
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proper headphone and microphone connections, not Bluetooth.
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The server should run on a low-latency system, ideally not a VM.
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.Pp
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Running
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.Nm
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without any extra options launches the full graphical client.
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.Pp
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The options are as follows:
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.Bl -tag -width Ds
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.It Fl 6 | Fl \-enableipv6
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enable IPv6 addressing (IPv4 is always enabled).
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.It Fl c | Fl \-connect Ar address
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.Pq client mode only
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connect to the given server
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.Ar address
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.Pq Ar hostname Ns Op Ar :port
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at startup
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.It Fl d | Fl \-discononquit
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.Pq server mode only
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disconnect all clients on quit
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.It Fl e | Fl \-directoryserver Ar hostname
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.Pq server mode only
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make the server public and set its genre by setting the address
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of the directory server to use to
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.Ar hostname ;
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see also
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.Fl o ;
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to be a directory server, use
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.Dq Li localhost
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.It Fl F | Fl \-fastupdate
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.Pq server mode only
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use 64 samples frame size mode, which reduces latency if clients connect with
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.Dq enable small network buffers
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turned on; requires a faster CPU to avoid dropouts and uses more bandwidth to
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connected clients
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.It Fl f | Fl \-listfilter Ar filter
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.Pq directory server mode only
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whitelist servers allowed to register on the server list;
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.Ar filter
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must consist of semicolon-separated IP addresses
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.It Fl h | Fl \&? | Fl \-help
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display a short help text and exit immediately
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.It Fl i | Fl \-inifile Ar file
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.Pq client and non-headless server mode only
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override default initialisation file with
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.Ar file
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.It Fl j | Fl \-nojackconnect
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.Pq client mode only
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do not automatically connect to JACK
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.It Fl L | Fl \-licence
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.Pq server mode only
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require clients to accept the agreement shown in the welcome message
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.Pq use Fl w No to set the text
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before they are allowed joining
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.It Fl l | Fl \-log Ar file
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.Pq server mode only
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enable logging to
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.Ar file
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.It Fl M | Fl \-mutestream
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.Pq client mode only
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start in muted state
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.It Fl m | Fl \-htmlstatus Ar file
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.Pq server mode only
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write server status and list of connected clients, in HTML format, to
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.Ar file
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periodically
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.It Fl n | Fl \-nogui
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disable the GUI
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.It Fl o | Fl \-serverinfo Ar info
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.Pq public servers only
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set server location details, formatted as
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.Sm off
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.Xo
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.Ar name Li \&;
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.Ar city Li \&;
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.Ar locale
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.Xc
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.Sm on
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where
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.Ar locale
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is the numeric value of a
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.Li QLocale ;
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see
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.Pa https://doc.qt.io/qt\-5/qlocale.html#Country\-enum
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for a list
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.It Fl p | Fl \-port Ar number
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set the local UDP port to use to
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.Ar number
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.Pq default: 22124
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.Op Fl P | Fl \-delaypan
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.Pq server mode only
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start with delay panning enabled.
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.It Fl Q | Fl \-qos Ar value
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set the QoS value. Default is 128. Disable with 0.
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.It Fl R | Fl \-recording Ar directory
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.Pq server mode only
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enable recording
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.Pq but see Fl \-norecord
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storing tracks in
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.Ar directory
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.It Fl s | Fl \-server
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start in server mode
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.It Fl T | Fl \-multithreading
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.Pq server mode only
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use multithreading to make better use of multi-core CPUs and
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support more clients
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.It Fl t | Fl \-notranslation
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disable translations, use built-in English strings
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.It Fl u | Fl \-numchannels Ar channels
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.Pq server mode only
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set maximum number of channels
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.Pq and , therefore , users ;
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default is 10, maximum is 150
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.It Fl v | Fl \-version
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display version information and exit immediately
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.It Fl w | Fl \-welcomemessage Ar message
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.Pq server mode only
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show
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.Ar message
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.Pq may contain HTML and inline CSS
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to users on connect
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.It Fl z | Fl \-startminimized
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.Pq server mode only
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start with minimised window
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.It Fl \-clientname Ar name
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.Pq client mode only
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set window title and JACK client name
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.It Fl \-ctrlmidich Ar MIDISetup
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.Pq client mode only
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set MIDI controller channel to listen on, control number offset and
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consecutive CC numbers (channels); format:
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.Sm off
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.Xo
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.Ar channel
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.Op Li \&;f Ar off Li \&* Ar nchans
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.Op Li \&;p Ar off Li \&* Ar nchans
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.Op Li \&;s Ar off Li \&* Ar nchans
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.Op Li \&;m Ar off Li \&* Ar nchans
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.Xc
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.Sm on
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.Pp
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The first semicolon-separated element sets the MIDI channel
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.Nm
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listens on for control messages.
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The other elements specify the items to control by their
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first literal letter (f\ =\ volume fader, p\ =\ pan, m\ =\ mute,
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s\ =\ solo) directly followed by the offset (CC number) to start from,
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a literal asterisk, and the amount of consecutive CC numbers to assign.
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Fader strips in the mixer window are controlled in ascending order from
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left to right.
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.Nm
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does not provide feedback as to the current state of the Solo and Mute
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buttons so the controller must track and signal their state locally.
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.Op Fl e | Fl \-directoryfile Ar filename
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.Pq server mode only
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enable server list persistence, set file name.
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.It Fl \-mutemyown
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.Pq headless client only
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mute my channel in my personal mix
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.It Fl \-norecord
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.Pq server mode only
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do not automatically start recording even if configured with
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.Fl R
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.It Fl \-serverpublicip Ar ip
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.Pq server mode only
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configure public Legacy IP address when both the directory server
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and the actual server are situated behind the same NAT, so that
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clients can connect
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.It Fl \-showallservers
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.Pq client mode only
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show all registered servers in the serverlist regardless whether a ping
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to the server is possible or not
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.Pq debugging command
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.It Fl \-showanalyzerconsole
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.Pq client mode only
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show analyser console to debug network buffer properties
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.Pq debugging command
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.El
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.Pp
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Note that the debugging commands are not intended for general use.
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.Pp
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.Nm jamulus
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knows four modes of operation: client mode and three kinds of server
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.Pq private , public , directory .
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A private server is unlisted, clients can only connect if given
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the address (IP address and port).
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A public server will contact a directory server (whose address must be
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given at server startup) and show up in that server's list; clients
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can retrieve a list of public servers from the directory server.
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Several directory servers are operated by the Jamulus project; there is
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a directory server for each genre, which is how public servers are
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categorised into genres.
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.Sh SEE ALSO
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.Xr qjackctl 1
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.Bl -tag -width Ds
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.It Pa https://jamulus.io/wiki/
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The full Jamulus documentation.
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.El
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.Sh AUTHORS
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.An -nosplit
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.An mirabilos Aq tg@debian.org
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wrote this manual page for the Debian project,
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but it may be used elsewhere as well.
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.An B. Watson Aq yalhcru@gmail.com
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modified this man page slightly for the SlackBuilds.org project and
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jamulus 3.8.1.
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.Sh BUGS
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This manual page was derived from the source code and summarises
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some of the information from the website, but it could be more helpful.
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.Pp
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Some of the networking code seems to assume Legacy IP
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.Pq IPv4 .
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