LyricsKit

Lyrics submodule for LyricsX.

Supported Sources

• NetEase Music
• QQ Music
• Kugou Music
• TTPod
• Gecimi
• Syair
• Xiami Music (discontinued)
• ViewLyrics (not working anymore)

Usage

Search lyrics from the internet

import LyricsService

// create a search request
let song = "Tranquilize"
let artist = "The Killers"
let duration = 225.2
let searchReq = LyricsSearchRequest(
    searchTerm: .info(title: song, artist: artist),
    duration: duration
)

// choose a lyrics service provider
let provider = LyricsProviders.Kugou()
// or search from multiple sources
let provider = LyricsProviders.Group(service: [.kugou, .netease, .qq])

// search
provider.lyricsPublisher(request: searchReq).sink { lyrics in
    print(lyrics)
}

License

LyricsKit is part of LyricsX and licensed under MPL 2.0. See the LICENSE file.

LRCX file

Specification

<lrcx>              ::= <line> (NEWLINE <line>)*
<line>              ::= <id tag>
                      | <lyric line>
                      | <lyric attachment>
                      | ""

<id tag>            ::= <tag>
<tag>               ::= "[" <tag content> "]"
<tag content>       ::= <tag key>
                      | <tag key> ":" <tag value>
<tag key>           ::= [0-9a-zA-Z_-]+
<tag value>         ::= <character except NEWLINE or "]">+

<lyric line>        ::= <time tag> <character except NEWLINE>*
<lyric attachment>  ::= <time tag> <attachment tag> <attachment body>

<time tag>          ::= "[" (<minute> ":")* <second> ("." <millisecond>)* "]"

<attachment tag>            ::= <tag>
<attachment body>           ::= <plain text attachment>
                              | <index based attachment>
                              | <range based attachment>
<plain text attachment>     ::= <character except NEWLINE>+
<index based attachment>    ::= <index based segment>+
<range based attachment>    ::= <range based segment>+
<index based segment>       ::= "<" <segment value> "," <segment index> ">"
<range based segment>       ::= "<" <segment value> "," <segment range> ">"
<segment value>             ::= <characters except NEWLINE, "," or ">">
<segment index>             ::= <number>
<segment range>             ::= <lowerBound> "," <upperBound>

Predefined tags

Predefined ID tags:

Tag	Key	Value Type	Description
title	ti	string
album	al	string
artist	ar	string
offset	offset	integer
length	length	decimal

Predefind attachment tags:

Tag	Key	Value Type	Attachment type	Description
translation	tr	RFC 4646	plain text
word time tag	tt	no value	index based (with timestamp in millisecond)
furigana	fu	no value	range based
romaji	ro	no value	range based