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.\"
.IX Title "MPSTORE 1"
.TH MPSTORE 1 "2023-02-01" "perl v5.36.0" "mpstore"
.\" For nroff, turn off justification.  Always turn off hyphenation; it makes
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.nh
.SH "NAME"
mpstore \- store and transfer mpd state between daemons
.SH "SYNOPSIS"
.IX Header "SYNOPSIS"
mpstore [host] > file
.PP
mpload [host] < file
.PP
mpcp [src] dest
.PP
mpmv [src] dest
.PP
mpswap [A] B
.SH "DESCRIPTION"
.IX Header "DESCRIPTION"
These commands allow saving, loading, and transferring state between mpd
daemons running on different hosts.
.PP
\&\fBmpstore\fR dumps a daemon's state to stdout.
.PP
\&\fBmpload\fR loads a state dump from stdin and sends it to a daemon.
.PP
\&\fBmpcp\fR copies the state from the src daemon to the dest daemon, causing it
to begin to play the same song as the src daemon, at the same position.
.PP
\&\fBmpmv\fR moves the state, so the dest daemon is left playing what the src
daemon was playing, and the src daemon is paused.
.PP
\&\fBmpswap\fR exchanges the state of daemons A and B, swapping what they're
playing.
.PP
The first hostname passed to each command can be omitted, if it is then
the \s-1MPD_HOST\s0 environment variable will be used. Like the \s-1MPD_HOST\s0 variable,
the hostname can be of the form \*(L"password@hostname\*(R" to specify a password.
If any hostname is \*(L"\-\*(R", the \s-1MPD_HOST\s0 setting will be used.
.PP
The full list of state that is handled is:
.IP "the contents of the playlist" 4
.IX Item "the contents of the playlist"
.PD 0
.IP "the playback state (playing, paused, stopped)" 4
.IX Item "the playback state (playing, paused, stopped)"
.IP "the currently playing song" 4
.IX Item "the currently playing song"
.IP "the position within the playing song" 4
.IX Item "the position within the playing song"
.IP "the volume control" 4
.IX Item "the volume control"
.IP "the repeat, random, and cross fade settings" 4
.IX Item "the repeat, random, and cross fade settings"
.PD
.SH "LIMITATIONS"
.IX Header "LIMITATIONS"
The host that state is transferred to must have the playing song available
in its library, with the same filename. It's ok if some other songs in the
playlist are not available; such songs will be skipped.
.PP
\&\fBmpcp\fR cannot perfectly synchronise playback between the two daemons.
Network latency and timing prevent this. It should manage better than 0.5
second accuracy. If you need better accuracy of synchronised playback,
you should probably use Pulse Audio.
.SH "BUGS"
.IX Header "BUGS"
The file format is not the same that mpd uses for saving its own state,
which would be nice.
.SH "AUTHOR"
.IX Header "AUTHOR"
Copyright 2007 Joey Hess <joey@kitenet.net>
.PP
Licensed under the \s-1GNU GPL\s0 version 2 or higher.
.PP
http://kitenet.net/~joey/code/mpdtoys