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This is a set of console commands to simplify remote interaction with mpg123.


This requires that mpg123 is installed and some fifo pipes have been created.

On mac os x using homebrew, run:

brew install mpg123
mkfifo /tmp/mpg123in
mkfifo /tmp/mpg123out


In one console:

(mpg123 --remote --fifo /tmp/mpg123in 2> /dev/null > /tmp/mpg123out &) && mpg123_parse

This console will now show the current player status, current track, seconds remaining, etc.

The player can now be controller from any other console with the following commands:

Play a track in current directory

mpg123_play track01.mp3

pause or unpause player

mpg123_remote pause

stop the player

mpg123_remote stop

change volume

mpg123_remote volume 0
mpg123_remote volume 20
mpg123_remote volume 80
mpg123_remote volume 100

control pitch (speed)

mpg123_remote pitch +0.20
mpg123_remote pitch -0.20

control equaliser

mpg123 has a 32 band equaliser for each channel (left and right)

The eq command takes parameters:

  • 1 (left), 2 (right) or 3 (both)

  • 0-31

  • 1

    mpg123_remote eq 3 0 1.5 mpg123_remote eq 3 31 0.5

stream channel

mpg123_somafm secretagent

queue manager

To queue music, you first need to run redis and the queue daemon:

brew install redis
redis-server /usr/local/etc/redis.conf

Now you can enqueue any number of files or directories containing music:

bin/mpg123_queue ~/Music ~/Downloads/Music

The mpg123_parse application sends notifications to the queue daemon process when the player is started and paused. When a track finishes and there is music in the queue, the queue daemon process will automatically start the next track.


  1. Fork it ([my-github-username]/mpg123_remote/fork )
  2. Create your feature branch (git checkout -b my-new-feature)
  3. Commit your changes (git commit -am 'Add some feature')
  4. Push to the branch (git push origin my-new-feature)
  5. Create a new Pull Request