From f22f69c4510ccb1d32d389597939ffbc140a4178 Mon Sep 17 00:00:00 2001 From: kaliko Date: Sun, 14 Nov 2021 18:51:40 +0100 Subject: [PATCH] doc: Add queue plugins examples --- doc/source/links.rst | 1 + doc/source/user/01_configurations.rst | 118 ++++++++++++++++++++++++-- 2 files changed, 112 insertions(+), 7 deletions(-) diff --git a/doc/source/links.rst b/doc/source/links.rst index cd326df..8c70b4b 100644 --- a/doc/source/links.rst +++ b/doc/source/links.rst @@ -6,3 +6,4 @@ .. _MusicBrainz: https://musicbrainz.org .. _`ID3 tags`: https://en.wikipedia.org/wiki/ID3 .. _last.fm: https://www.last.fm/ +.. _`MPD filter`: https://mpd.readthedocs.io/en/latest/protocol.html#filter-syntax diff --git a/doc/source/user/01_configurations.rst b/doc/source/user/01_configurations.rst index a5c9ba8..6819adf 100644 --- a/doc/source/user/01_configurations.rst +++ b/doc/source/user/01_configurations.rst @@ -10,7 +10,11 @@ Default configuration MPD_sima runs without explicit configuration as long as your MPD server is easy to discover (``localhost:6600`` or exposed via environment variables ``MPD_HOST``/``MPD_PORT``). -The default configuration is to run in *track mode* with suggestions from last.fm: +The default configuration is to run in *track mode* with suggestions from +last.fm. In addition to `Lastfm` plugin set in **[sima]** section (within *internal* +option) there is a `Crop` plugin (keeps 10 tracks behind the currently playing +track) and a `Random` plugin (acting as a fallback if `Lastfm` did not find any +track to queue). .. code:: ini @@ -43,14 +47,9 @@ The configuration of MPD_sima in ``sima`` section is also modified for ``queue_l .. code:: ini - [MPD] - # Change MPD server here - #host = mpdserver.example.org - #port = 6600 - [sima] internal = Crop, Lastfm, Random - history_duration = 8 + history_duration = 24 queue_length = 10 [crop] @@ -64,5 +63,110 @@ The configuration of MPD_sima in ``sima`` section is also modified for ``queue_l Offline auto-queuing -------------------- +In addition to LastFm there are other *plugins* you can mix together or use alone to have a specific queue mode. + +Genre auto-queuing +^^^^^^^^^^^^^^^^^^ +With this mode MPD_sima is trying to queue tracks with genre tag similar to previously played tracks. + +.. code:: ini + + [sima] + internal = Crop, Genre, Random + history_duration = 8 + + [genre] + queue_mode = track + track_to_add = 1 + + +Random queuing +^^^^^^^^^^^^^^ +This mode allows random queuing with different flavour **pure** (total +randomness) or **sensible** (use play history to filter chosen tracks). +The **sensible** flavour will then tend to play track not in recently played. + +The history duration is important for this plugin when running in **sensible** flavour since you might exhaust possible tracks to queue if the **history_duration** is larger than the total play time you have in your music library. + +.. code:: ini + + [sima] + internal = Crop, Random + history_duration = 168 + + [random] + flavour = sensible + +Tag queuing +^^^^^^^^^^^ + +This is the most complex and versatile offline mode. "Tags" plugin allows to queue track based on actual tags value. + +Here is an example to have MPD_sima to queue only electronic music tagged with genres **electonica** or **IDM** or **glitch**: + +.. code:: ini + + [sima] + internal = Crop, Tags + + [tags] + # Look for files with tagged with genre "electonica" OR "IDM" OR "glitch" + genre = electonica, IDM, glitch + +There are other supported tags, mainly **date**, **originaldate** or +**comment** (cf manual for the exact list). You can use more than one, entries +in tags sections are ANDed within a single MPD filter to look for titles. + +For instance setting "genre=rock" and +"date=1982,1983,1984,1985,1986,1987,1988,1989" will end up looking for track +tagged with genre rock and date within 1982 through 1989: + +.. code:: ini + + [sima] + internal = Crop, Tags + + [tags] + genre = rock + date = 1982,1983,1984,1985,1986,1987,1988,1989 + +In case you want to make complex search in MPD library you can provide an `MPD +filter`_. This is a powerful feature, it comes at the cost of a different syntax, some might find it more readable some wont :D + +For instance in the previous example you can simply replace **date** with the +current filter "`(date =~ '198[2-9]+')`": + +.. code:: ini + + [sima] + internal = Crop, Tags + + [tags] + genre = rock + filter = (date =~ '198[2-9]+') + +And even go further and merge genre in the filter using "`((genre == 'rock') AND +(date =~ '198[2-9]+'))`". + +.. code:: ini + + [sima] + internal = Crop, Tags + + [tags] + filter = (genre == 'rock' ) AND (date =~ '198[2-9]+')) + + +Since the setup for the filter can be tricky and it can be useful to validate +the syntax and have a look at what kind of artists the filter would return. + +You can call MPD_sima to controls the configuration file. For instance with a config in `sima.cfg` run: + +.. code:: bash + + ./mpd-sima --log-level info --config sima.cfg config-test + + +.. include:: ../links.rst .. vim: spell spelllang=en -- 2.39.5