[emms-help] MusicPD backend news

[Michael Olson]

We have been getting some valuable new additions to EMMS lately,
namely: emms-browser.el, emms-cache.el, and emms-volume.el.  Some
patches are on the way that make emms-player-mpd.el play nicely with
them.

* Volume

emms-player-mpd already had volume-raising and volume-lowering
functions.  To make them blend more seamlessly with emms-volume.el,
I've renamed them to `emms-volume-mpd-raise' and
`emms-volume-mpd-lower', respectively.  Set
`emms-volume-raise-function' and `emms-volume-lower-function' to these
values if you want to use emms-volume.el.

(setq emms-volume-raise emms-volume-mpd-raise
      emms-volume-lower emms-volume-mpd-lower)

On a related note, the new name for the generic emms-player-mpd.el
volume-change function is `emms-volume-mpd-change'.

* Cache and browser

With the addition of emms-cache.el, all player backends can now match
the speed of information lookup that emms-player-mpd.el has.  It is
still relevant for those who use emms-player-mpd.el, however, since
emms-browser.el is implemented using the cache data.

Once you do (require 'emms-cache) and (require 'emms-browser),
subsequent calls to M-x emms-browser will only show albums that you
have played (or retrieved info for) since starting to use emms-cache.
If you would like to "prime" the cache with all of the track data
stored in MusicPD, do M-x emms-cache-set-from-mpd-all.  To add only
one directory and its subdirectories, do M-x
emms-cache-set-from-mpd-directory.

-- 
Michael Olson -- FSF Associate Member #652 -- http://www.mwolson.org/
Interests: Emacs Lisp, text markup, protocols -- Jabber: mwolson_at_hcoop.net
  /` |\ | | | IRC: mwolson on freenode.net: #hcoop, #muse, #PurdueLUG
 |_] | \| |_| Project involvement: Emacs, Muse, Planner, ERC, EMMS

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