Minor music performance changes

bot.js

@@ -16,6 +16,7 @@ let presences = [],
 
 function main() {
     utils.Cleanup(() => {
+        guilding.destroyAll();
         client.destroy();
     });
     cmd.setLogger(logger);

lib/guilding.js

@@ -33,6 +33,11 @@ exports.GuildHandler = class {
         this.registerMusicCommands();
     }
 
+    destroy(){
+        this.dj.stop();
+        this.db.close();
+    }
+
     /**
      * Creates all tables needed in the Database.
      * These are at the moment:
@@ -299,4 +304,15 @@ exports.GuildHandler = class {
 exports.getHandler = function (guild, prefix) {
     if (!handlers[guild.id]) handlers[guild.id] = new this.GuildHandler(guild, prefix);
     return handlers[guild.id];
+};
+
+/**
+ * Destroy all handlers to safely end all sql3-clients.
+ */
+exports.destroyAll = function () {
+    logger.debug('Destroying all handlers...');
+    for (let key in Object.keys(handlers)) {
+        if (handlers[key])
+            handlers[key].destroy();
+    }
 };

lib/music.js

@@ -22,6 +22,7 @@ exports.DJ = class {
         this.repeat = false;
         this.volume = 0.5;
         this.voiceChannel = voiceChannel;
+        this.quality = 'lowest';
     }
 
     /**
@@ -130,8 +131,10 @@ exports.DJ = class {
         if (!this.playing || !this.disp) {
             logger.debug(`Playing ${url}`);
             this.disp = this.conn.playStream(ytdl(url, {
-                filter: "audioonly"
-            }), {seek: 0, volume: this.volume});
+                filter: 'audioonly',
+                quality: this.quality,
+                liveBuffer: 40000
+            }), {volume: this.volume});
             this.disp.on('end', (reason) => {
                 if (reason !== 'stop') {
                     this.playing = false;