Add lyrics from lrclib.net

CMakeLists.txt

@@ -701,6 +701,7 @@ set(SOURCES
   src/lyrics/elyricsnetlyricsprovider.cpp
   src/lyrics/letraslyricsprovider.cpp
   src/lyrics/lyricfindlyricsprovider.cpp
+  src/lyrics/lrcliblyricsprovider.cpp
 
   src/settings/settingsdialog.cpp
   src/settings/settingspage.cpp
@@ -997,6 +998,7 @@ set(HEADERS
   src/lyrics/elyricsnetlyricsprovider.h
   src/lyrics/letraslyricsprovider.h
   src/lyrics/lyricfindlyricsprovider.h
+  src/lyrics/lrcliblyricsprovider.h
 
   src/settings/settingsdialog.h
   src/settings/settingspage.h

README.md

@@ -66,7 +66,7 @@ Supporting open-source developers helps ensure continued maintenance and improve
 - Loudness analysis and EBU R128 normalization
 - Editing tags and fetching missing tags via [MusicBrainz](https://musicbrainz.org/)
 - Album art from: [Last.fm](https://www.last.fm/), [MusicBrainz](https://musicbrainz.org/), [Discogs](https://www.discogs.com/), [Musixmatch](https://www.musixmatch.com/), [Deezer](https://www.deezer.com/), [Tidal](https://www.tidal.com/), [Qobuz](https://www.qobuz.com/), [Spotify](https://www.spotify.com/)
-- Lyrics from: [Genius](https://genius.com/), [Musixmatch](https://www.musixmatch.com/), [ChartLyrics](http://www.chartlyrics.com/), [lyrics.ovh](https://lyrics.ovh/), [lololyrics](https://www.lololyrics.com/), [songlyrics](https://www.songlyrics.com/), [azlyrics](https://www.azlyrics.com/), [elyrics](https://www.elyrics.net/), [letras](https://www.letras.mus.br), [LyricFind](https://lyrics.lyricfind.com)
+- Lyrics from: [Genius](https://genius.com/), [Musixmatch](https://www.musixmatch.com/), [ChartLyrics](http://www.chartlyrics.com/), [lyrics.ovh](https://lyrics.ovh/), [lololyrics](https://www.lololyrics.com/), [songlyrics](https://www.songlyrics.com/), [azlyrics](https://www.azlyrics.com/), [elyrics](https://www.elyrics.net/), [letras](https://www.letras.mus.br), [LyricFind](https://lyrics.lyricfind.com) and [lrclib.net](https://lrclib.net/)
 - Audio analyzer and equalizer
 - Transfer music to USB, MTP and iPod devices
 - Scrobbling to [Last.fm](https://www.last.fm/) and [ListenBrainz](https://listenbrainz.org/)

debian/control

@@ -60,7 +60,7 @@ Description: music player and music collection organizer
   - Edit tags on audio files
   - Automatically retrieve tags from MusicBrainz
   - Album cover art from Last.fm, Musicbrainz, Discogs, Musixmatch, Deezer, Tidal, Qobuz and Spotify
-  - Song lyrics from Genius, Musixmatch, ChartLyrics, lyrics.ovh, lololyrics.com, songlyrics.com, azlyrics.com, elyrics.net, letras.mus.br and LyricFind
+  - Lyrics from multiple sources
   - Audio analyzer
   - Audio equalizer
   - Transfer music to mass-storage USB players, MTP compatible devices and iPod Nano/Classic

dist/unix/org.strawberrymusicplayer.strawberry.appdata.xml

@@ -31,7 +31,7 @@
       <li>Edit tags on audio files</li>
       <li>Automatically retrieve tags from MusicBrainz</li>
       <li>Album cover art from Last.fm, Musicbrainz, Discogs, Musixmatch, Deezer, Tidal, Qobuz and Spotify</li>
-      <li>Song lyrics from Genius, Musixmatch, ChartLyrics, lyrics.ovh, lololyrics.com, songlyrics.com, azlyrics.com, elyrics.net, letras.mus.br and LyricFind</li>
+      <li>Lyrics from multiple sources</li>
       <li>Audio analyzer and equalizer</li>
       <li>Transfer music to mass-storage USB players, MTP compatible devices and iPod Nano/Classic</li>
       <li>Scrobbler with support for Last.fm and ListenBrainz</li>

dist/unix/strawberry.1

@@ -29,9 +29,7 @@ Features:
 .br
 - Album cover art from Last.fm, Musicbrainz, Discogs, Musixmatch, Deezer, Tidal, Qobuz and Spotify
 .br
-- Song lyrics from Genius, Musixmatch, ChartLyrics, lyrics.ovh, lololyrics.com, songlyrics.com, azlyrics.com, elyrics.net, letras.mus.br and LyricFind
-.br
-- Support for multiple backends
+- Lyrics from multiple sources
 .br
 - Audio analyzer
 .br

dist/unix/strawberry.spec.in

@@ -93,8 +93,7 @@ Features:
   - Edit tags on audio files
   - Automatically retrieve tags from MusicBrainz
   - Album cover art from Last.fm, Musicbrainz, Discogs, Musixmatch, Deezer, Tidal, Qobuz and Spotify
-  - Song lyrics from Genius, Musixmatch, ChartLyrics, lyrics.ovh, lololyrics.com, songlyrics.com, azlyrics.com, elyrics.net, letras.mus.br and LyricFind
-  - Support for multiple backends
+  - Lyrics from multiple sources
   - Audio analyzer
   - Audio equalizer
   - Scrobbler with support for Last.fm and ListenBrainz

src/core/application.cpp

@@ -74,6 +74,7 @@
 #include "lyrics/elyricsnetlyricsprovider.h"
 #include "lyrics/letraslyricsprovider.h"
 #include "lyrics/lyricfindlyricsprovider.h"
+#include "lyrics/lrcliblyricsprovider.h"
 
 #include "scrobbler/audioscrobbler.h"
 #include "scrobbler/lastfmscrobbler.h"
@@ -182,6 +183,7 @@ class ApplicationImpl {
           lyrics_providers->AddProvider(new ElyricsNetLyricsProvider(lyrics_providers->network()));
           lyrics_providers->AddProvider(new LetrasLyricsProvider(lyrics_providers->network()));
           lyrics_providers->AddProvider(new LyricFindLyricsProvider(lyrics_providers->network()));
+          lyrics_providers->AddProvider(new LrcLibLyricsProvider(lyrics_providers->network()));
           lyrics_providers->ReloadSettings();
           return lyrics_providers;
         }),

src/lyrics/lrcliblyricsprovider.cpp

@@ -0,0 +1,168 @@
+/*
+ * Strawberry Music Player
+ * Copyright 2025, Jonas Kvinge <jonas@jkvinge.net>
+ *
+ * Strawberry is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * Strawberry is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with Strawberry.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+#include "config.h"
+
+#include <QApplication>
+#include <QThread>
+#include <QByteArray>
+#include <QVariant>
+#include <QString>
+#include <QUrl>
+#include <QUrlQuery>
+#include <QRegularExpression>
+#include <QNetworkRequest>
+#include <QNetworkReply>
+#include <QJsonObject>
+#include <QJsonArray>
+
+#include "core/logging.h"
+#include "core/networkaccessmanager.h"
+#include "jsonlyricsprovider.h"
+#include "lyricssearchrequest.h"
+#include "lyricssearchresult.h"
+#include "lrcliblyricsprovider.h"
+
+using namespace Qt::Literals::StringLiterals;
+using std::make_shared;
+
+namespace {
+constexpr char kApiUrl[] = "https://lrclib.net/api/get";
+}  // namespace
+
+LrcLibLyricsProvider::LrcLibLyricsProvider(const SharedPtr<NetworkAccessManager> network, QObject *parent) : JsonLyricsProvider(u"LrcLib"_s, true, false, network, parent) {}
+
+void LrcLibLyricsProvider::StartSearch(const int id, const LyricsSearchRequest &request) {
+
+  Q_ASSERT(QThread::currentThread() != qApp->thread());
+
+  const QUrl url(QString::fromUtf8(kApiUrl));
+  QUrlQuery url_query;
+  url_query.addQueryItem(u"track_name"_s, QString::fromLatin1(QUrl::toPercentEncoding(request.title)));
+  url_query.addQueryItem(u"artist_name"_s, QString::fromLatin1(QUrl::toPercentEncoding(request.artist)));
+  url_query.addQueryItem(u"album_name"_s, QString::fromLatin1(QUrl::toPercentEncoding(request.album)));
+  url_query.addQueryItem(u"duration"_s, QString::number(request.duration));
+  QNetworkReply *reply = CreateGetRequest(url, url_query);
+  QObject::connect(reply, &QNetworkReply::finished, this, [this, reply, id, request]() { HandleSearchReply(reply, id, request); });
+
+  qLog(Debug) << "LrcLibLyrics: Sending request for" << url << url_query.toString();
+
+}
+
+LrcLibLyricsProvider::JsonObjectResult LrcLibLyricsProvider::ParseJsonObject(QNetworkReply *reply) {
+
+  if (reply->error() != QNetworkReply::NoError && reply->error() < 200) {
+    return JsonObjectResult(ErrorCode::NetworkError, QStringLiteral("%1 (%2)").arg(reply->errorString()).arg(reply->error()));
+  }
+
+  JsonObjectResult result(ErrorCode::Success);
+  result.network_error = reply->error();
+  if (reply->attribute(QNetworkRequest::HttpStatusCodeAttribute).isValid()) {
+    result.http_status_code = reply->attribute(QNetworkRequest::HttpStatusCodeAttribute).toInt();
+  }
+
+  const QByteArray data = reply->readAll();
+  if (!data.isEmpty()) {
+    QJsonParseError json_parse_error;
+    const QJsonDocument json_document = QJsonDocument::fromJson(data, &json_parse_error);
+    if (json_parse_error.error == QJsonParseError::NoError) {
+      const QJsonObject json_object = json_document.object();
+      if (json_object.contains("statusCode"_L1) && json_object.contains("name"_L1) && json_object.contains("message"_L1)) {
+        const int code = json_object["statusCode"_L1].toInt();
+        const QString name = json_object["name"_L1].toString();
+        const QString message = json_object["message"_L1].toString();
+        result.error_code = ErrorCode::APIError;
+        result.error_message = QStringLiteral("%1 (%2) (%3)").arg(code).arg(name, message);
+        result.api_error = code;
+      }
+      else {
+        result.json_object = json_object;
+      }
+    }
+    else {
+      result.error_code = ErrorCode::ParseError;
+      result.error_message = json_parse_error.errorString();
+    }
+  }
+
+  if (result.error_code != ErrorCode::APIError) {
+    if (reply->error() != QNetworkReply::NoError) {
+      result.error_code = ErrorCode::NetworkError;
+      result.error_message = QStringLiteral("%1 (%2)").arg(reply->errorString()).arg(reply->error());
+    }
+    else if (result.http_status_code != 200) {
+      result.error_code = ErrorCode::HttpError;
+      result.error_message = QStringLiteral("Received HTTP code %1").arg(result.http_status_code);
+    }
+  }
+
+  return result;
+
+}
+
+void LrcLibLyricsProvider::HandleSearchReply(QNetworkReply *reply, const int id, const LyricsSearchRequest &request) {
+
+  Q_ASSERT(QThread::currentThread() != qApp->thread());
+
+  LyricsSearchResults results;
+  const QScopeGuard end_search = qScopeGuard([this, id, request, &results]() { EndSearch(id, request, results); });
+
+  if (!replies_.contains(reply)) return;
+  replies_.removeAll(reply);
+  QObject::disconnect(reply, nullptr, this, nullptr);
+  reply->deleteLater();
+
+  const JsonObjectResult json_object_result = ParseJsonObject(reply);
+  if (!json_object_result.success()) {
+    if (json_object_result.api_error != 404) {
+      Error(json_object_result.error_message);
+    }
+    return;
+  }
+
+  const QJsonObject &json_object = json_object_result.json_object;
+  if (json_object.isEmpty() ||
+      !json_object.contains("trackName"_L1) ||
+      !json_object.contains("artistName"_L1) ||
+      !json_object.contains("albumName"_L1) ||
+      !json_object.contains("plainLyrics"_L1)) {
+    return;
+  }
+
+  LyricsSearchResult result;
+  result.artist = json_object["artistName"_L1].toString();
+  result.album = json_object["albumName"_L1].toString();
+  result.title = json_object["trackName"_L1].toString();
+  result.lyrics = json_object["plainLyrics"_L1].toString();
+  results << result;
+
+}
+
+void LrcLibLyricsProvider::EndSearch(const int id, const LyricsSearchRequest &request, const LyricsSearchResults &results) {
+
+  if (results.isEmpty()) {
+    qLog(Debug) << name_ << "No lyrics for" << request.artist << request.album << request.title;
+  }
+  else {
+    qLog(Debug) << name_ << "Got lyrics for" << request.artist << request.album << request.title;
+  }
+
+  Q_EMIT SearchFinished(id, results);
+
+}

src/lyrics/lrcliblyricsprovider.h

@@ -0,0 +1,51 @@
+/*
+ * Strawberry Music Player
+ * Copyright 2025, Jonas Kvinge <jonas@jkvinge.net>
+ *
+ * Strawberry is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * Strawberry is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with Strawberry.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+#ifndef LRCLIBLYRICSPROVIDER_H
+#define LRCLIBLYRICSPROVIDER_H
+
+#include "config.h"
+
+#include <QString>
+
+#include "jsonlyricsprovider.h"
+#include "lyricssearchrequest.h"
+#include "lyricssearchresult.h"
+
+class QNetworkReply;
+class NetworkAccessManager;
+
+class LrcLibLyricsProvider : public JsonLyricsProvider {
+  Q_OBJECT
+
+ public:
+  explicit LrcLibLyricsProvider(const SharedPtr<NetworkAccessManager> network, QObject *parent = nullptr);
+
+ private:
+  JsonObjectResult ParseJsonObject(QNetworkReply *reply);
+  void EndSearch(const int id, const LyricsSearchRequest &request, const LyricsSearchResults &results);
+
+ protected Q_SLOTS:
+  void StartSearch(const int id, const LyricsSearchRequest &request) override;
+
+ private Q_SLOTS:
+  void HandleSearchReply(QNetworkReply *reply, const int id, const LyricsSearchRequest &request);
+};
+
+#endif  // LRCLIBLYRICSPROVIDER_H