Emacs user interface for Music Player Daemon (https://www.musicpd.org/), a flexible, powerful, server-side application for playing music.
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README.org

MPDel

<p> <a href="https://stable.melpa.org/#/mpdel"> <img alt="MELPA Stable" src=""/> </a>

<a href="https://melpa.org/#/mpdel"> <img alt="MELPA" src=""/> </a>

<a href="https://gitlab.petton.fr/mpdel/mpdel/commits/master"> <img alt="pipeline status" src="" /> </a> </p>

Summary

MPDel is an Emacs client for Music Player Daemon (MPD), a flexible, powerful, server-side application for playing music. MPDel provides an Emacs user interface to control playback (play, pause, next, volume up…) and to display and control the current playlist as well as your stored playlists (e.g., "my favorites", "wake me up", "make me dance", …).

This is a screenshot of the MPDel music browser and the current playlist buffer with the currently-playing song:

/jao/mpdel/src/branch/master/media/mpdel-browser.png

MPDel can show information about the currently playing song or any other song:

/jao/mpdel/src/branch/master/media/mpdel-song.png

With the additional package ivy-mpdel, you can navigate your music database and add songs to playlists with completion:

/jao/mpdel/src/branch/master/media/ivy-mpdel.png

Installing

Get mpdel from melpa or melpa stable. You also need to install libmpdel.

You need to install and (quickly) configure an MPD server if you don't have any yet. Don't worry, that's simple and you won't regret it.

Using

Start by adding these lines to your init.el file:

  (add-to-list 'load-path "~/.emacs.d/lib/mpdel")
  (require 'mpdel)
  (mpdel-mode)

Then, press C-x Z l to show the current playlist. The C-x Z global prefix is configurable with mpdel-prefix-key:

  (setq mpdel-prefix-key (kbd "C-. z"))

The following MPDel keybindings are available globally if mpdel-mode is active:

Binding Action
C-x Z SPC toggle between play and pause
C-x Z M-n play next song
C-x Z M-p play previous song
C-x Z P restart playing current song
C-x Z l open the current playlist
C-x Z L show stored playlists
C-x Z N navigate your database from artists
C-x Z : navigate your database from the browser
C-x Z v view current song
C-x Z s r search songs by artist name
C-x Z s l search songs by album name
C-x Z s s search songs by song title
C-x Z f go forward current song by mpdel-song-normal-increment
C-x Z F go forward current song by mpdel-song-small-increment
C-x Z M-f go forward current song by mpdel-song-large-increment
C-x Z b go backward current song by mpdel-song-normal-decrement
C-x Z B go backward current song by mpdel-song-small-decrement
C-x Z M-b go backward current song by mpdel-song-large-decrement

The last component of each keybinding can also be pressed in any MPDel buffer (e.g., press M-n in a playlist buffer to play the next song) to do the same. Additionally, the following keybindings are available in all MPDel buffers where they make sense:

Binding Action
a add item to current playlist
A add item to a stored playlist
r replace current playlist with item
R replace a stored playlist with item
P play selected items immediately
v view currently played song
RET open a buffer showing item at point
^ open item's parent
C-x C-j open a dired buffer on item at point
n move to next line
p move to previous line

Opening a dired buffer on the item at point requires configuring libmpdel-music-directory first.

Navigator

The keybinding C-x Z N (or just N in any MPDel buffer) opens a navigator on your database. You first get a list of all artists. From there, you can press a, A, r or R (see above) to add the item at point to a playlist. You can also press RET (the enter key) to "dive" into the selected item and display a list of the artist's albums. On the contrary, press ^ to go back to the item's parent (e.g., artist of the album at point). Keybindings are also available here to add albums to a playlist or dive into an album's songs. Diving into a song displays some information about it.

Playlists

Playlist buffers display either the current playlist (C-x Z l or just l) or any stored playlist (C-x Z L or just L). A playlist buffer lists songs and can be edited.

Here is a list of keybindings available for the current playlist buffer:

Binding Action
C-x C-s save current playlist in a new one
m mark the song at point
k remove marked song(s) from the playlist
M-up move marked song(s) up in the playlist
M-down move marked song(s) down in the playlist

When a command acts on the marked song(s) (such as k), the song at point is used if there is no marked song.

Playlist buffers are refreshed automatically when the MPD server refreshes them.

Browser

The MPDel Browser offers an overview of MPDel entry points (see above for a screenshot). To access the browser's top-level buffer, press C-x Z : (or call the interactive command mpdel-browser-open). By default, the top level buffer gives you access to your music directory, as well as the artist and albums navigators, playlists and available searches. Pressing RET on any line will open the corresponding item. In particular, Music directory will let you to navigate across directories: beyond local directories, some MPD servers, such as Mopidi, map remote services to virtual directories.

Regular MPDel keybindings work in the browser too.

Song

Song buffers display information about a song, either the currently played one (C-x Z v or just v) or the song at point (with V). When displaying the currently played song, the buffer also shows playback status (e.g., "Currently playing") and current playback position in song (e.g., "02:32 / 06:01"). Press ^ to open a navigator on the song's album.

Customizing

By default, MPDel just works and you don't have to customize anything. Nevertheless, there are a few customization options if you are that kind of person (and you probably are 😄).

Browser

It is possible to customize the layout of the browser's top-level buffer via the variable mpdel-browser-top-level-entries, and to filter or rearrange how children buffers show their contents with mpdel-browser-list-clean-up-function. Please see the customization group mpdel-browser for more details.

Communication with MPD

If you have only one MPD server, you can tell libmpdel how to communicate with it through the options libmpdel-hostname and libmpdel-port. If you have more than one server, configure them in libmpdel-profiles. In this case, change the active server profile with M-x libmpdel-connect-profile.

Keyboard

As discussed above, you might want to configure mpdel-prefix-key to control which global keybinding gives you access to MPDel. This prefix key is active when mpdel-mode is active.

There are several keybinding tables (i.e., keymaps) to modify to your taste:

Keymap variable Description
mpdel-core-map active globally
mpdel-nav-mode-map active in navigators
mpdel-playlist-mode-map active in current and stored playlists
mpdel-song-mode-map active in song buffers

Faces

MPDel defines several faces to customize the playlists:

Face name Description
mpdel-playlist-current-song-face currently-played song
mpdel-tablist-song-name-face song names
mpdel-tablist-track-face track numbers
mpdel-tablist-album-face album names
mpdel-tablist-disk-face disk numbers
mpdel-tablist-date-face dates
mpdel-tablist-artist-face artist names

Hooks

You can add functions to the hooks below to get your code executed on a particular occasion:

Hook name Occasion
libmpdel-current-playlist-changed-hook when the current playlist is modified
libmpdel-stored-playlist-changed-hook when a stored playlist is modified
libmpdel-player-changed-hook when the player status changes (start, stop, seek)
libmpdel-current-song-changed-hook when the current song changes

Extras

If your music files are hosted on the computer where MPDel is running, you can configure libmpdel-music-directory to navigate to a music file with C-x C-j from any MPDel buffer.

Filter Expressions

The command mpdel-core-search-by-filter can be used to search for songs using a MPD filter expression.

This requires a MPD version >= 0.21.

License

See COPYING. Copyright (c) 2018 Damien Cassou.

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