124 lines
7.5 KiB
Markdown
124 lines
7.5 KiB
Markdown
# LMS - Lightweight Music Server
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[](https://github.com/epoupon/lms/releases)
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_LMS_ is a self-hosted music streaming software: access your music collection from anywhere using a web interface!
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A [demo instance](http://lms-demo.poupon.dev) is available. Note the administration settings are not available.
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## Main features
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* [Subsonic/OpenSubsonic API](SUBSONIC.md) support
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* Multi-valued tags: `genre`, `mood`, `artists`, ...
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* Artist relationships: `composer`, `conductor`, `lyricist`, `mixer`, `performer`, `producer`, `remixer`
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* [Release types](https://musicbrainz.org/doc/Release_Group/Type): `album`, `single`, `EP`, `compilation`, `live`, ...
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* [Release groups](https://musicbrainz.org/doc/Release_Group) support to show different versions of albums, such as remasters, reissues, etc.
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* [MusicBrainz Identifier](https://musicbrainz.org/doc/MusicBrainz_Identifier) support to handle duplicated artist and release names
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* [ListenBrainz](https://listenbrainz.org) support for:
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* Scrobbling and synchronizing listens
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* Synchronizing 'love' feedbacks
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* Recommendation engine
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* Multi-library support
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* ReplayGain support
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* Audio transcoding for compatibility and reduced bandwidth
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* User management, with several [authentication backends](INSTALL.md#authentication-backend)
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* Podcasts support
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* Playlists support
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* Lyrics support
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* [Jukebox](SUBSONIC.md#jukebox-support) support
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## Music discovery
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_LMS_ provides several ways to help you find the music you like:
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* Tag-based filters (ex: "_Rock_", "_Metal_ and _Aggressive_", "_Electronic_ and _Relaxed_", ...)
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* Recommendations for similar artists and albums
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* Radio mode, with endless filling of the play queue with tracks similar to what is there
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* Searches in album, artist and track names (including sort names)
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* Starred Albums/Artists/Tracks
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* Random/Starred/Most played/Recently played/Recently added for Artist/Albums/Tracks, allowing you to search for things like:
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* Recently added _Electronic_ artists
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* Random _Metal_ and _Aggressive_ albums
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* Most played _Relaxed_ tracks
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* Starred _Jazz_ albums
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* ...
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__Note__: depending on your database size and/or your hardware, the tag-based recommendation engine may significantly slow down the user interface. You can disable it in the administration settings.
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## About tags
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_LMS_ primarily relies on tags to organize your music collection but also supports browsing by directory using the [Subsonic/OpenSubsonic API](SUBSONIC.md).
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## Artist information folder
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_LMS_ supports an Artist information folder to manage metadata and images for artists. This folder can be placed anywhere within the scanned libraries but is best located in a dedicated `ArtistInfo` directory in the root of a media library for maximum compatibility with other softwares.
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The folder must follow a structure defined by Kodi, as detailed [here](https://kodi.wiki/view/Artist_information_folder). `artist.nfo` files are used to define additional artist information such as biography, sort name, and MusicBrainz ArtistID. See the format [here](https://kodi.wiki/view/NFO_files/Artists).
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The canonical artist name used by _LMS_ is the one specified in the `artist.nfo` file; If an `artist.nfo` exists but does not provide a name, the name of the containing folder is used.
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If no artist info file is provided, _LMS_ will pick the artist name found on the latest release.
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### Filtering
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It is possible to apply global filters on your collection using `genre`, `mood`, `grouping`, `language`, `codec`, and by music library. More tags, including custom ones, can be added in the database administration settings.
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__Note__: You can use the `lms-audioinfo` tool to get an idea of the tags parsed by _LMS_.
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### Multiple artists
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_LMS_ works best when using the default [Picard](https://picard.musicbrainz.org/) settings, where the `artist` tag contains a single display-friendly value, and the `artists` tag holds the actual artist names. This ensures a cleaner, more organized representation of artist names, when multiple artists are involved.
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### Multiple album artists
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While _LMS_ can manage multiple album artists using the `albumartist` tag, it works better when using the custom `albumartists` and `albumartistssort` tags, similar to how it handles regular artist tags.
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__Note__: if you use Picard, add this script to set up both artist and album artist tags:
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```
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$setmulti(artistssort,%_artists_sort%)
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$setmulti(albumartists,%_albumartists%)
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$setmulti(albumartistssort,%_albumartists_sort%)
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```
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### Album track grouping
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The recommended way to group tracks within an album is to use the `MUSICBRAINZ_ALBUMID` tag.
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When this tag is not present, _LMS_ will attempt to group them as best as possible: if the analyzed file contains a disc number and the total number of discs is greater than 1, sibling directories are also scanned to find a matching album.
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Otherwise, _LMS_ will only consider albums within the current directory.
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For an album to be considered a match, the following conditions must be met:
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* Same name
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* Same sort name
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* Same total number of discs
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* Identical 'compilation' flag value
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* Same record labels
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* Same barcode
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## Artist image lookup
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The recommended method is to name the artist image file using the artist's MusicBrainz ArtistID. This file can be placed anywhere within one of the scanned libraries.
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If no file with the MusicBrainz ArtistID is found, _LMS_ will first look for files named `folder` and then `thumb` in the artist information directory, where the corresponding `artist.nfo` file is located.
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If neither exists, it will then search for a file named `artist` (or another name configured in `lms.conf`) in the artist's directories, using this logic:
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1. Identify the artist's directory: _LMS_ selects all albums by the artist using the "AlbumArtist" link and determines the longest common path among them.
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2. Scan for the image: the directory is scanned starting from this common path, moving upwards if needed, until the artist image file is found.
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3. Fallback search: if no image is found, _LMS_ will then search within each individual album folder.
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## Disc image lookup
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_LMS_ automatically associates images with each disc in your collection. Name the image file after the disc's subtitle or another identifier configured in `lms.conf` (see the `medium-image-file-names` setting), and place it in the same directory as the disc's tracks. If no suitable image is found, LMS will also look for embedded images within the tracks of the disc.
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## Playlist support
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_LMS_ supports playlist files in `m3u` and `m3u8` formats. These playlists are synced during the scan process and are available as public shared playlists.
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## Lyrics support
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_LMS_ supports lyrics in `lrc` files, `txt` files, and embedded track metadata. Both synchronized and unsynchronized lyrics are supported.
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## Keyboard shortcuts
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* Play/pause: <kbd>Space</kbd>
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* Previous track: <kbd>Ctrl</kbd> + <kbd>Left</kbd>
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* Next track: <kbd>Ctrl</kbd> + <kbd>Right</kbd>
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* Decrease volume: <kbd>Ctrl</kbd> + <kbd>Down</kbd>
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* Increase volume: <kbd>Ctrl</kbd> + <kbd>Up</kbd>
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* Seek back by 5 seconds: <kbd>Ctrl</kbd> + <kbd>Shift</kbd> + <kbd>Left</kbd>
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* Seek forward by 5 seconds: <kbd>Ctrl</kbd> + <kbd>Shift</kbd> + <kbd>Right</kbd>
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## Installation
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See [INSTALL.md](INSTALL.md) file.
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## Contributing
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Any feedback is welcome:
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* feel free to participate in [discussions](https://github.com/epoupon/lms/discussions) if you have questions,
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* report any bug or request for new features in the [issue tracker](https://github.com/epoupon/lms/issues),
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* submit your pull requests based on the [develop](../../tree/develop) branch.
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