Improved lyric syncing, fetch

- uses a somewhat more sane way to parse lyrics and teardown timeouts
- adds 'seeked' to setCurrentTime to make detecting seeks in lyric much easier
- adds ability to fetch lyrics from genius/netease (desktop only)

src/main/preload/lyrics.ts

@@ -0,0 +1,17 @@
+import { IpcRendererEvent, ipcRenderer } from 'electron';
+import { QueueSong } from '/@/renderer/api/types';
+
+const fetchLyrics = (song: QueueSong) => {
+  ipcRenderer.send('lyric-fetch', song);
+};
+
+const getLyrics = (
+  cb: (event: IpcRendererEvent, songName: string, source: string, lyric: string) => void,
+) => {
+  ipcRenderer.on('lyric-get', cb);
+};
+
+export const lyrics = {
+  fetchLyrics,
+  getLyrics,
+};

src/main/preload/mpv-player.ts

@@ -78,6 +78,10 @@ const quit = () => {
   ipcRenderer.send('player-quit');
 };
 
+const getCurrentTime = async () => {
+  return ipcRenderer.invoke('player-get-time');
+};
+
 const rendererAutoNext = (cb: (event: IpcRendererEvent, data: PlayerData) => void) => {
   ipcRenderer.on('renderer-player-auto-next', cb);
 };
@@ -157,6 +161,7 @@ const rendererError = (cb: (event: IpcRendererEvent, data: string) => void) => {
 export const mpvPlayer = {
   autoNext,
   currentTime,
+  getCurrentTime,
   initialize,
   mute,
   next,