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NAME

       mpstore - store and transfer mpd state between daemons

SYNOPSIS

       mpstore [host] > file

       mpload [host] < file

       mpcp [src] dest

       mpmv [src] dest

       mpswap [A] B

DESCRIPTION

       These commands allow saving, loading, and transferring state between
       mpd daemons running on different hosts.

       mpstore dumps a daemon's state to stdout.

       mpload loads a state dump from stdin and sends it to a daemon.

       mpcp 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.

       mpmv moves the state, so the dest daemon is left playing what the src
       daemon was playing, and the src daemon is paused.

       mpswap exchanges the state of daemons A and B, swapping what they're
       playing.

       The first hostname passed to each command can be omitted, if it is then
       the MPD_HOST environment variable will be used. Like the MPD_HOST
       variable, the hostname can be of the form "password@hostname" to
       specify a password.  If any hostname is "-", the MPD_HOST setting will
       be used.

       The full list of state that is handled is:

       the contents of the playlist
       the playback state (playing, paused, stopped)
       the currently playing song
       the position within the playing song
       the volume control
       the repeat, random, and cross fade settings

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.

       mpcp 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.

BUGS

       The file format is not the same that mpd uses for saving its own state,
       which would be nice.

AUTHOR

       Copyright 2007 Joey Hess <joey@kitenet.net>

       Licensed under the GNU GPL version 2 or higher.

       http://kitenet.net/~joey/code/mpdtoys



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