MediaWiki extensions manual - list

Release status: stable

Implementation Tag
Description Tag extension to render musical scores with LilyPond
Author(s) GrafZahlTalk
Last version 0.2 (23 April 2013)
MediaWiki 1.18+ (v0.1)
PHP 5.3+ (v0.1)
Database changes<abbr/> No
License GPL3
Download Version
Version 0.1.tgz


$wgScoreLilyPond, $wgScoreAbc2Ly, $wgScoreTimidity, $wgScoreTrim

Hooks used
Check usage and version matrix
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The Score extension can render musical scores as PNG images using LilyPond and can also transform them into audio and MIDI files.

The documentation on this page refers to the current master of the Score extension. If you download version 0.1, refer to the README file.

Acknowledgements Edit

Usage Edit

After setup, you can embed simple LilyPond notation into your wikitext using the score tags. For example:

<score>\relative c' { f d f a d f e d cis a cis e a g f e }</score>


<score>\relative c' { f d f a d f e d cis a cis e a g f e }</score>

You may also specify attributes to the score tags in the general form

<score attribute1="value1" attribute2="value2"></score>.

For example:

<score vorbis="1">\relative c' { f d f a d f e d cis a cis e a g f e }</score>


<score vorbis="1">\relative c' { f d f a d f e d cis a cis e a g f e }</score>

The following attributes are available:

Attribute Allowed values Effect
lang ABC, lilypond (default) Sets the score language. For example, to provide a score in ABC notation, you might use
<score lang="ABC">
C, D, E, F,|G, A, B, C|D E F G|A B c d|
e f g a|b c' d' e'|f' g' a' b'|]
midi 0 (default), 1 If set to 1, the rendered image(s) will be embedded into a hyperlink to an appropriate MIDI file.
override_midi Known file name, that is, if override_midi="name" is given, [[File:name]] does not yield a red link. Uses the specified MIDI file instead of generating one with LilyPond. Use this attribute together with the midi attribute (see above) or the vorbis attribute (see below). This attribute is useful if you already have a MIDI file whose quality is superior to what would be generated by LilyPond.
override_ogg Known file name, that is, if override_ogg="name" is given, [[File:name]] does not yield a red link. Embeds the media specified by the file name in the HTML after the score image(s). This is an alternative to the vorbis attribute (see further). It can, for example, be useful if you have a suitable Ogg/Vorbis file of superior quality compared with the auto-generated Ogg/Vorbis file the vorbis attribute yields. Of course, you can still omit both attributes in this case and add the file manually to the page, if you prefer.
raw 0 (default), 1 If set to 1, the score code is interpreted as a complete LilyPond file. Use this option if you want to create more complex scores. If the score language (lang attribute) is not set to lilypond, this attribute is ignored.
vorbis 0 (default), 1 If set to 1, an Ogg/Vorbis file will be generated for the score, provided you installed and configured Extension:OggHandler. An Ogg/Vorbis player will be embedded in the HTML after the score image(s).

Prerequisites Edit

This extension uses LilyPond to render score images, so you need a working LilyPond installation. If you want the extension to trim the score files for you, you will also need ImageMagick.

The extension is also capable of creating Ogg/Vorbis files from the MIDI files generated by LilyPond. If you want to make use of this functionality, you need to have Extension:OggHandler installed.

Version 0.1 of this extension was tested with MediaWiki 1.18.0 and LilyPond 2.12.3. The current SVN snapshot might require a newer version of MediaWiki and/or LilyPond.

Download instructions Edit

Use the extension distributor. You can also download a tarball from GitHub: [1]; or as a zipped file: [2]. The score master branch on GitHub works with a stable version of MediaWiki, but may not yet have the newest features in it.

Installation Edit

  1. Change to the extensions directory of your MediaWiki installation.
  2. Create a new subdirectory named Score.
  3. Copy the files Score.php, Score.body.php and Score.i18n.php from the distribution into the new subdirectory. Make sure they are readable by your Web server. If you do not create this directory, the Score extension will attempt to create it for you with the rights available to it.
  4. Create a subdirectory named lilypond in your $wgUploadDirectory (usually the directory named images in in your MediaWiki directory). Make sure the directory is writable by your Web server.
  5. Add the following to LocalSettings.php:
$wgScoreLilyPond = '/path/to/your/lilypond/executable'; /* required */
$wgScoreAbc2Ly = '/path/to/your/abc2ly/executable'; /* if you want ABC to LilyPond conversion */
$wgScoreTimidty = '/path/to/your/timidty/executable'; /* if you want MIDI to Vorbis conversion */
$wgScoreTrim = true; /* Set to false if you don't want score trimming */

Configuration parameters Edit

Currently, the extension has the following global configuration parameters.

$wgScoreLilyPond Edit

Set $wgScoreLilyPond to the path to your LilyPond executable (typically /usr/bin/lilypond or /usr/local/bin/lilypond).

$wgScoreTrim Edit

The $wgScoreTrim is a boolean which defaults to the value of $wgUseImageMagick. If true, the resulting score PNG images are trimmed with ImageMagick. If you don't want trimming, or don't want to install ImageMagick, set $wgScoreTrim to false.

$wgScoreAbc2Ly Edit

Set $wgScoreAbc2Ly to the path of your ABC to LilyPond converter executable (typically /usr/bin/abc2ly or /usr/local/bin/abc2ly).

$wgScoreTimidity Edit

Set $wgScoreTimidity to the path of your TiMidity++ executable (typically /usr/bin/timidity or /usr/local/bin/timidity).

Remarks Edit

This extension runs various binaries on a shell. You may have to increase $wgMaxShellMemory if you get out of memory errors.

Finding scores Edit

Pages with scores on them will have the "score" page property set. Using Special:PagesWithProp, you can find pages that have scores. (Example query for the English Wikipedia.)

See also Edit

External links Edit

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