Add files

src/main/features/core/player/index.ts

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+import { ipcMain } from 'electron';
+import uniq from 'lodash/uniq';
+import MpvAPI from 'node-mpv';
+import { store } from '/@/main/features/core/settings';
+import { getMainWindow } from '/@/main/main';
+import { PlayerData } from '/@/renderer/store';
+
+declare module 'node-mpv';
+
+const BINARY_PATH = store.get('mpv_path') as string | undefined;
+const MPV_PARAMETERS = store.get('mpv_parameters') as Array<string> | undefined;
+const DEFAULT_MPV_PARAMETERS = () => {
+  const parameters = [];
+  if (
+    !MPV_PARAMETERS?.includes('--gapless-audio=weak') ||
+    !MPV_PARAMETERS?.includes('--gapless-audio=no') ||
+    !MPV_PARAMETERS?.includes('--gapless-audio=yes') ||
+    !MPV_PARAMETERS?.includes('--gapless-audio')
+  ) {
+    parameters.push('--gapless-audio=yes');
+  }
+
+  if (
+    !MPV_PARAMETERS?.includes('--prefetch-playlist=no') ||
+    !MPV_PARAMETERS?.includes('--prefetch-playlist=yes') ||
+    !MPV_PARAMETERS?.includes('--prefetch-playlist')
+  ) {
+    parameters.push('--prefetch-playlist=yes');
+  }
+
+  return parameters;
+};
+
+const mpv = new MpvAPI(
+  {
+    audio_only: true,
+    auto_restart: true,
+    binary: BINARY_PATH || '',
+    time_update: 1,
+  },
+  MPV_PARAMETERS
+    ? uniq([...DEFAULT_MPV_PARAMETERS(), ...MPV_PARAMETERS])
+    : DEFAULT_MPV_PARAMETERS(),
+);
+
+mpv.start().catch((error) => {
+  console.log('error', error);
+});
+
+mpv.on('status', (status) => {
+  if (status.property === 'playlist-pos') {
+    if (status.value !== 0) {
+      getMainWindow()?.webContents.send('renderer-player-auto-next');
+    }
+  }
+});
+
+// Automatically updates the play button when the player is playing
+mpv.on('resumed', () => {
+  getMainWindow()?.webContents.send('renderer-player-play');
+});
+
+// Automatically updates the play button when the player is stopped
+mpv.on('stopped', () => {
+  getMainWindow()?.webContents.send('renderer-player-stop');
+});
+
+// Automatically updates the play button when the player is paused
+mpv.on('paused', () => {
+  getMainWindow()?.webContents.send('renderer-player-pause');
+});
+
+mpv.on('quit', () => {
+  console.log('mpv quit');
+});
+
+// Event output every interval set by time_update, used to update the current time
+mpv.on('timeposition', (time: number) => {
+  getMainWindow()?.webContents.send('renderer-player-current-time', time);
+});
+
+// Starts the player
+ipcMain.on('player-play', async () => {
+  await mpv.play();
+});
+
+// Pauses the player
+ipcMain.on('player-pause', async () => {
+  await mpv.pause();
+});
+
+// Stops the player
+ipcMain.on('player-stop', async () => {
+  await mpv.stop();
+});
+
+// Goes to the next track in the playlist
+ipcMain.on('player-next', async () => {
+  await mpv.next();
+});
+
+// Goes to the previous track in the playlist
+ipcMain.on('player-previous', async () => {
+  await mpv.prev();
+});
+
+// Seeks forward or backward by the given amount of seconds
+ipcMain.on('player-seek', async (_event, time: number) => {
+  await mpv.seek(time);
+});
+
+// Seeks to the given time in seconds
+ipcMain.on('player-seek-to', async (_event, time: number) => {
+  await mpv.goToPosition(time);
+});
+
+// Sets the queue in position 0 and 1 to the given data. Used when manually starting a song or using the next/prev buttons
+ipcMain.on('player-set-queue', async (_event, data: PlayerData) => {
+  if (data.queue.current) {
+    await mpv.load(data.queue.current.streamUrl, 'replace');
+  }
+
+  if (data.queue.next) {
+    await mpv.load(data.queue.next.streamUrl, 'append');
+  }
+});
+
+// Replaces the queue in position 1 to the given data
+ipcMain.on('player-set-queue-next', async (_event, data: PlayerData) => {
+  const size = await mpv.getPlaylistSize();
+
+  if (size > 1) {
+    await mpv.playlistRemove(1);
+  }
+
+  if (data.queue.next) {
+    await mpv.load(data.queue.next.streamUrl, 'append');
+  }
+});
+
+// Sets the next song in the queue when reaching the end of the queue
+ipcMain.on('player-auto-next', async (_event, data: PlayerData) => {
+  // Always keep the current song as position 0 in the mpv queue
+  // This allows us to easily set update the next song in the queue without
+  // disturbing the currently playing song
+  await mpv.playlistRemove(0);
+
+  if (data.queue.next) {
+    await mpv.load(data.queue.next.streamUrl, 'append');
+  }
+});
+
+// Sets the volume to the given value (0-100)
+ipcMain.on('player-volume', async (_event, value: number) => {
+  mpv.volume(value);
+});
+
+// Toggles the mute status
+ipcMain.on('player-mute', async () => {
+  mpv.mute();
+});