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Without this, the pipe would run empty very often, which may result in an xrun if the roundtrip to the PlayerThread and back takes too long. By waking up the PlayerThread before the pipe runs empty, we make MPD much more latency tolerant, which is a major optimization.
Music Player Daemon
A daemon for playing music of various formats. Music is played through the server's audio device. The daemon stores info about all available music, and this info can be easily searched and retrieved. Player control, info retrieval, and playlist management can all be managed remotely.
For basic installation information see the INSTALL file.
Users
Developers
Legal
MPD is released under the GNU General Public License version 2, which is distributed in the COPYING file.