Redesign voice receiving, still needs cleaning up

src/client/voice/VoiceConnection.js

@@ -3,7 +3,7 @@ const VoiceUDP = require('./VoiceUDPClient');
 const Util = require('../../util/Util');
 const { OPCodes, VoiceOPCodes, VoiceStatus } = require('../../util/Constants');
 const AudioPlayer = require('./player/AudioPlayer');
-const VoiceReceiver = require('./receiver/VoiceReceiver');
+const VoiceReceiver = require('./receiver/Receiver');
 const EventEmitter = require('events');
 const { Error } = require('../../errors');
 

src/client/voice/receiver/PacketHandler.js

@@ -1,8 +1,18 @@
 const nonce = Buffer.alloc(24);
+const Readable = require('./VoiceReadable');
+const secretbox = require('../util/Secretbox');
 
 class PacketHandler {
   constructor(receiver) {
     this.receiver = receiver;
+    this.streams = new Map();
+  }
+
+  makeStream(user) {
+    if (this.streams.has(user)) return this.streams.get(user);
+    const stream = new Readable();
+    this.streams.set(user, stream);
+    return stream;
   }
 
   parseBuffer(buffer) {
@@ -36,8 +46,11 @@ class PacketHandler {
     const ssrc = buffer.readUInt32BE(8);
     const user = this.userFromSSRC(ssrc);
     if (!user) return;
+    const stream = this.streams.get(user.id);
+    if (!stream) return;
     const opusPacket = this.parseBuffer(buffer);
     if (opusPacket instanceof Error) return;
+    stream.push(opusPacket);
   }
 }
 

src/client/voice/receiver/Receiver.js

@@ -1,15 +1,30 @@
 const EventEmitter = require('events');
+const prism = require('prism-media');
+const PacketHandler = require('./PacketHandler');
 
 class VoiceReceiver extends EventEmitter {
   constructor(connection) {
     super();
     this.connection = connection;
-    this.packets = new PacketHandler(this); 
+    this.packets = new PacketHandler(this);
     this.connection.sockets.udp.socket.on('message', buffer => this.packets.push(buffer));
   }
 
   createStream(user, pcm=false) {
+    user = this.connection.client.users.resolve(user);
+    if (!user) throw new Error('VOICE_USER_MISSING');
+    console.log('making stream for', user.tag);
+    const stream = this.packets.makeStream(user.id);
+    if (pcm) {
+      const decoder = new prism.opus.Decoder({ channels: 2, rate: 48000, frameSize: 1920 });
+      stream.pipe(decoder);
+      return decoder;
+    }
+    return stream;
+  }
 
+  stoppedSpeaking() {
+    console.log('remember to remove this :)');
   }
 }