Add highWaterMark

src/client/voice/VoiceConnection.js

@@ -439,8 +439,11 @@ class VoiceConnection extends EventEmitter {
    * @property {number} [passes=1] How many times to send the voice packet to reduce packet loss
    * @property {number} [plp] Expected packet loss percentage
    * @property {boolean} [fec] Enabled forward error correction
-   * @property {number|string} [bitrate=96] The bitrate (quality) of the audio in kbps
+   * @property {number|string} [bitrate=96] The bitrate (quality) of the audio in kbps.
    * If set to 'auto', the voice channel's bitrate will be used
+   * @property {number} [highWaterMark=8] The maximum number of opus packets to make and store before they are
+   * actually needed. See https://nodejs.org/en/docs/guides/backpressuring-in-streams/. Setting this value to
+   * 1 means that changes in volume will be more instant.
    */
 
   /**

src/client/voice/dispatcher/StreamDispatcher.js

@@ -29,8 +29,11 @@ nonce.fill(0);
  * @extends {stream.Writable}
  */
 class StreamDispatcher extends Writable {
-  constructor(player, { seek = 0, volume = 1, passes = 1, fec, plp, bitrate = 96 } = {}, streams) {
-    const streamOptions = { seek, volume, passes, fec, plp, bitrate };
+  constructor(
+    player,
+    { seek = 0, volume = 1, passes = 1, fec, plp, bitrate = 96, highWaterMark = 8 } = {},
+    streams) {
+    const streamOptions = { seek, volume, passes, fec, plp, bitrate, highWaterMark };
     super(streamOptions);
     /**
      * The Audio Player that controls this dispatcher