@discordjs/voice/dist/index.mjs

Implementation of the Discord Voice API for Node.js

import { createRequire as topLevelCreateRequire } from "module";
const require = topLevelCreateRequire(import.meta.url);
var __defProp = Object.defineProperty;
var __name = (target, value) => __defProp(target, "name", { value, configurable: true });
var __require = /* @__PURE__ */ ((x) => typeof require !== "undefined" ? require : typeof Proxy !== "undefined" ? new Proxy(x, {
  get: (a, b) => (typeof require !== "undefined" ? require : a)[b]
}) : x)(function(x) {
  if (typeof require !== "undefined") return require.apply(this, arguments);
  throw Error('Dynamic require of "' + x + '" is not supported');
});

// src/VoiceConnection.ts
import { EventEmitter as EventEmitter7 } from "node:events";

// src/DataStore.ts
import { GatewayOpcodes } from "discord-api-types/v10";
function createJoinVoiceChannelPayload(config) {
  return {
    op: GatewayOpcodes.VoiceStateUpdate,
    // eslint-disable-next-line id-length
    d: {
      guild_id: config.guildId,
      channel_id: config.channelId,
      self_deaf: config.selfDeaf,
      self_mute: config.selfMute
    }
  };
}
__name(createJoinVoiceChannelPayload, "createJoinVoiceChannelPayload");
var groups = /* @__PURE__ */ new Map();
groups.set("default", /* @__PURE__ */ new Map());
function getOrCreateGroup(group) {
  const existing = groups.get(group);
  if (existing) return existing;
  const map = /* @__PURE__ */ new Map();
  groups.set(group, map);
  return map;
}
__name(getOrCreateGroup, "getOrCreateGroup");
function getGroups() {
  return groups;
}
__name(getGroups, "getGroups");
function getVoiceConnections(group = "default") {
  return groups.get(group);
}
__name(getVoiceConnections, "getVoiceConnections");
function getVoiceConnection(guildId, group = "default") {
  return getVoiceConnections(group)?.get(guildId);
}
__name(getVoiceConnection, "getVoiceConnection");
function untrackVoiceConnection(voiceConnection) {
  return getVoiceConnections(voiceConnection.joinConfig.group)?.delete(voiceConnection.joinConfig.guildId);
}
__name(untrackVoiceConnection, "untrackVoiceConnection");
function trackVoiceConnection(voiceConnection) {
  return getOrCreateGroup(voiceConnection.joinConfig.group).set(voiceConnection.joinConfig.guildId, voiceConnection);
}
__name(trackVoiceConnection, "trackVoiceConnection");
var FRAME_LENGTH = 20;
var audioCycleInterval;
var nextTime = -1;
var audioPlayers = [];
function audioCycleStep() {
  if (nextTime === -1) return;
  nextTime += FRAME_LENGTH;
  const available = audioPlayers.filter((player) => player.checkPlayable());
  for (const player of available) {
    player["_stepDispatch"]();
  }
  prepareNextAudioFrame(available);
}
__name(audioCycleStep, "audioCycleStep");
function prepareNextAudioFrame(players) {
  const nextPlayer = players.shift();
  if (!nextPlayer) {
    if (nextTime !== -1) {
      audioCycleInterval = setTimeout(() => audioCycleStep(), nextTime - Date.now());
    }
    return;
  }
  nextPlayer["_stepPrepare"]();
  setImmediate(() => prepareNextAudioFrame(players));
}
__name(prepareNextAudioFrame, "prepareNextAudioFrame");
function hasAudioPlayer(target) {
  return audioPlayers.includes(target);
}
__name(hasAudioPlayer, "hasAudioPlayer");
function addAudioPlayer(player) {
  if (hasAudioPlayer(player)) return player;
  audioPlayers.push(player);
  if (audioPlayers.length === 1) {
    nextTime = Date.now();
    setImmediate(() => audioCycleStep());
  }
  return player;
}
__name(addAudioPlayer, "addAudioPlayer");
function deleteAudioPlayer(player) {
  const index = audioPlayers.indexOf(player);
  if (index === -1) return;
  audioPlayers.splice(index, 1);
  if (audioPlayers.length === 0) {
    nextTime = -1;
    if (audioCycleInterval !== void 0) clearTimeout(audioCycleInterval);
  }
}
__name(deleteAudioPlayer, "deleteAudioPlayer");

// src/networking/Networking.ts
import { Buffer as Buffer4 } from "node:buffer";
import crypto from "node:crypto";
import { EventEmitter as EventEmitter3 } from "node:events";
import { VoiceOpcodes as VoiceOpcodes2 } from "discord-api-types/voice/v4";

// src/util/Secretbox.ts
import { Buffer as Buffer2 } from "node:buffer";
var libs = {
  "sodium-native": /* @__PURE__ */ __name((sodium) => ({
    crypto_aead_xchacha20poly1305_ietf_decrypt: /* @__PURE__ */ __name((cipherText, additionalData, nonce2, key) => {
      const message = Buffer2.alloc(cipherText.length - sodium.crypto_aead_xchacha20poly1305_ietf_ABYTES);
      sodium.crypto_aead_xchacha20poly1305_ietf_decrypt(message, null, cipherText, additionalData, nonce2, key);
      return message;
    }, "crypto_aead_xchacha20poly1305_ietf_decrypt"),
    crypto_aead_xchacha20poly1305_ietf_encrypt: /* @__PURE__ */ __name((plaintext, additionalData, nonce2, key) => {
      const cipherText = Buffer2.alloc(plaintext.length + sodium.crypto_aead_xchacha20poly1305_ietf_ABYTES);
      sodium.crypto_aead_xchacha20poly1305_ietf_encrypt(cipherText, plaintext, additionalData, null, nonce2, key);
      return cipherText;
    }, "crypto_aead_xchacha20poly1305_ietf_encrypt")
  }), "sodium-native"),
  sodium: /* @__PURE__ */ __name((sodium) => ({
    crypto_aead_xchacha20poly1305_ietf_decrypt: /* @__PURE__ */ __name((cipherText, additionalData, nonce2, key) => {
      return sodium.api.crypto_aead_xchacha20poly1305_ietf_decrypt(cipherText, additionalData, null, nonce2, key);
    }, "crypto_aead_xchacha20poly1305_ietf_decrypt"),
    crypto_aead_xchacha20poly1305_ietf_encrypt: /* @__PURE__ */ __name((plaintext, additionalData, nonce2, key) => {
      return sodium.api.crypto_aead_xchacha20poly1305_ietf_encrypt(plaintext, additionalData, null, nonce2, key);
    }, "crypto_aead_xchacha20poly1305_ietf_encrypt")
  }), "sodium"),
  "libsodium-wrappers": /* @__PURE__ */ __name((sodium) => ({
    crypto_aead_xchacha20poly1305_ietf_decrypt: /* @__PURE__ */ __name((cipherText, additionalData, nonce2, key) => {
      return sodium.crypto_aead_xchacha20poly1305_ietf_decrypt(null, cipherText, additionalData, nonce2, key);
    }, "crypto_aead_xchacha20poly1305_ietf_decrypt"),
    crypto_aead_xchacha20poly1305_ietf_encrypt: /* @__PURE__ */ __name((plaintext, additionalData, nonce2, key) => {
      return sodium.crypto_aead_xchacha20poly1305_ietf_encrypt(plaintext, additionalData, null, nonce2, key);
    }, "crypto_aead_xchacha20poly1305_ietf_encrypt")
  }), "libsodium-wrappers"),
  "@stablelib/xchacha20poly1305": /* @__PURE__ */ __name((stablelib) => ({
    crypto_aead_xchacha20poly1305_ietf_decrypt(plaintext, additionalData, nonce2, key) {
      const crypto3 = new stablelib.XChaCha20Poly1305(key);
      return crypto3.open(nonce2, plaintext, additionalData);
    },
    crypto_aead_xchacha20poly1305_ietf_encrypt(cipherText, additionalData, nonce2, key) {
      const crypto3 = new stablelib.XChaCha20Poly1305(key);
      return crypto3.seal(nonce2, cipherText, additionalData);
    }
  }), "@stablelib/xchacha20poly1305"),
  "@noble/ciphers/chacha": /* @__PURE__ */ __name((noble) => ({
    crypto_aead_xchacha20poly1305_ietf_decrypt(cipherText, additionalData, nonce2, key) {
      const chacha = noble.xchacha20poly1305(key, nonce2, additionalData);
      return chacha.decrypt(cipherText);
    },
    crypto_aead_xchacha20poly1305_ietf_encrypt(plaintext, additionalData, nonce2, key) {
      const chacha = noble.xchacha20poly1305(key, nonce2, additionalData);
      return chacha.encrypt(plaintext);
    }
  }), "@noble/ciphers/chacha")
};
var fallbackError = /* @__PURE__ */ __name(() => {
  throw new Error(
    `Cannot play audio as no valid encryption package is installed.
- Install one of:
  - sodium
  - libsodium-wrappers
  - @stablelib/xchacha20poly1305
  - @noble/ciphers.
- Use the generateDependencyReport() function for more information.
`
  );
}, "fallbackError");
var methods = {
  crypto_aead_xchacha20poly1305_ietf_encrypt: fallbackError,
  crypto_aead_xchacha20poly1305_ietf_decrypt: fallbackError
};
var secretboxLoadPromise = new Promise(async (resolve2) => {
  for (const libName of Object.keys(libs)) {
    try {
      const lib = await import(libName);
      if (libName === "libsodium-wrappers" && lib.ready) {
        await lib.ready;
      }
      Object.assign(methods, libs[libName](lib));
      break;
    } catch {
    }
  }
  resolve2();
});

// src/util/util.ts
var noop = /* @__PURE__ */ __name(() => {
}, "noop");

// src/networking/VoiceUDPSocket.ts
import { Buffer as Buffer3 } from "node:buffer";
import { createSocket } from "node:dgram";
import { EventEmitter } from "node:events";
import { isIPv4 } from "node:net";
function parseLocalPacket(message) {
  const packet = Buffer3.from(message);
  const ip = packet.slice(8, packet.indexOf(0, 8)).toString("utf8");
  if (!isIPv4(ip)) {
    throw new Error("Malformed IP address");
  }
  const port = packet.readUInt16BE(packet.length - 2);
  return { ip, port };
}
__name(parseLocalPacket, "parseLocalPacket");
var KEEP_ALIVE_INTERVAL = 5e3;
var MAX_COUNTER_VALUE = 2 ** 32 - 1;
var VoiceUDPSocket = class extends EventEmitter {
  static {
    __name(this, "VoiceUDPSocket");
  }
  /**
   * The underlying network Socket for the VoiceUDPSocket.
   */
  socket;
  /**
   * The socket details for Discord (remote)
   */
  remote;
  /**
   * The counter used in the keep alive mechanism.
   */
  keepAliveCounter = 0;
  /**
   * The buffer used to write the keep alive counter into.
   */
  keepAliveBuffer;
  /**
   * The Node.js interval for the keep-alive mechanism.
   */
  keepAliveInterval;
  /**
   * The time taken to receive a response to keep alive messages.
   *
   * @deprecated This field is no longer updated as keep alive messages are no longer tracked.
   */
  ping;
  /**
   * Creates a new VoiceUDPSocket.
   *
   * @param remote - Details of the remote socket
   */
  constructor(remote) {
    super();
    this.socket = createSocket("udp4");
    this.socket.on("error", (error) => this.emit("error", error));
    this.socket.on("message", (buffer) => this.onMessage(buffer));
    this.socket.on("close", () => this.emit("close"));
    this.remote = remote;
    this.keepAliveBuffer = Buffer3.alloc(8);
    this.keepAliveInterval = setInterval(() => this.keepAlive(), KEEP_ALIVE_INTERVAL);
    setImmediate(() => this.keepAlive());
  }
  /**
   * Called when a message is received on the UDP socket.
   *
   * @param buffer - The received buffer
   */
  onMessage(buffer) {
    this.emit("message", buffer);
  }
  /**
   * Called at a regular interval to check whether we are still able to send datagrams to Discord.
   */
  keepAlive() {
    this.keepAliveBuffer.writeUInt32LE(this.keepAliveCounter, 0);
    this.send(this.keepAliveBuffer);
    this.keepAliveCounter++;
    if (this.keepAliveCounter > MAX_COUNTER_VALUE) {
      this.keepAliveCounter = 0;
    }
  }
  /**
   * Sends a buffer to Discord.
   *
   * @param buffer - The buffer to send
   */
  send(buffer) {
    this.socket.send(buffer, this.remote.port, this.remote.ip);
  }
  /**
   * Closes the socket, the instance will not be able to be reused.
   */
  destroy() {
    try {
      this.socket.close();
    } catch {
    }
    clearInterval(this.keepAliveInterval);
  }
  /**
   * Performs IP discovery to discover the local address and port to be used for the voice connection.
   *
   * @param ssrc - The SSRC received from Discord
   */
  async performIPDiscovery(ssrc) {
    return new Promise((resolve2, reject) => {
      const listener = /* @__PURE__ */ __name((message) => {
        try {
          if (message.readUInt16BE(0) !== 2) return;
          const packet = parseLocalPacket(message);
          this.socket.off("message", listener);
          resolve2(packet);
        } catch {
        }
      }, "listener");
      this.socket.on("message", listener);
      this.socket.once("close", () => reject(new Error("Cannot perform IP discovery - socket closed")));
      const discoveryBuffer = Buffer3.alloc(74);
      discoveryBuffer.writeUInt16BE(1, 0);
      discoveryBuffer.writeUInt16BE(70, 2);
      discoveryBuffer.writeUInt32BE(ssrc, 4);
      this.send(discoveryBuffer);
    });
  }
};

// src/networking/VoiceWebSocket.ts
import { EventEmitter as EventEmitter2 } from "node:events";
import { VoiceOpcodes } from "discord-api-types/voice/v4";
import WebSocket from "ws";
var VoiceWebSocket = class extends EventEmitter2 {
  static {
    __name(this, "VoiceWebSocket");
  }
  /**
   * The current heartbeat interval, if any.
   */
  heartbeatInterval;
  /**
   * The time (milliseconds since UNIX epoch) that the last heartbeat acknowledgement packet was received.
   * This is set to 0 if an acknowledgement packet hasn't been received yet.
   */
  lastHeartbeatAck;
  /**
   * The time (milliseconds since UNIX epoch) that the last heartbeat was sent. This is set to 0 if a heartbeat
   * hasn't been sent yet.
   */
  lastHeartbeatSend;
  /**
   * The number of consecutively missed heartbeats.
   */
  missedHeartbeats = 0;
  /**
   * The last recorded ping.
   */
  ping;
  /**
   * The debug logger function, if debugging is enabled.
   */
  debug;
  /**
   * The underlying WebSocket of this wrapper.
   */
  ws;
  /**
   * Creates a new VoiceWebSocket.
   *
   * @param address - The address to connect to
   */
  constructor(address, debug) {
    super();
    this.ws = new WebSocket(address);
    this.ws.onmessage = (err) => this.onMessage(err);
    this.ws.onopen = (err) => this.emit("open", err);
    this.ws.onerror = (err) => this.emit("error", err instanceof Error ? err : err.error);
    this.ws.onclose = (err) => this.emit("close", err);
    this.lastHeartbeatAck = 0;
    this.lastHeartbeatSend = 0;
    this.debug = debug ? (message) => this.emit("debug", message) : null;
  }
  /**
   * Destroys the VoiceWebSocket. The heartbeat interval is cleared, and the connection is closed.
   */
  destroy() {
    try {
      this.debug?.("destroyed");
      this.setHeartbeatInterval(-1);
      this.ws.close(1e3);
    } catch (error) {
      const err = error;
      this.emit("error", err);
    }
  }
  /**
   * Handles message events on the WebSocket. Attempts to JSON parse the messages and emit them
   * as packets.
   *
   * @param event - The message event
   */
  onMessage(event) {
    if (typeof event.data !== "string") return;
    this.debug?.(`<< ${event.data}`);
    let packet;
    try {
      packet = JSON.parse(event.data);
    } catch (error) {
      const err = error;
      this.emit("error", err);
      return;
    }
    if (packet.op === VoiceOpcodes.HeartbeatAck) {
      this.lastHeartbeatAck = Date.now();
      this.missedHeartbeats = 0;
      this.ping = this.lastHeartbeatAck - this.lastHeartbeatSend;
    }
    this.emit("packet", packet);
  }
  /**
   * Sends a JSON-stringifiable packet over the WebSocket.
   *
   * @param packet - The packet to send
   */
  sendPacket(packet) {
    try {
      const stringified = JSON.stringify(packet);
      this.debug?.(`>> ${stringified}`);
      this.ws.send(stringified);
    } catch (error) {
      const err = error;
      this.emit("error", err);
    }
  }
  /**
   * Sends a heartbeat over the WebSocket.
   */
  sendHeartbeat() {
    this.lastHeartbeatSend = Date.now();
    this.missedHeartbeats++;
    const nonce2 = this.lastHeartbeatSend;
    this.sendPacket({
      op: VoiceOpcodes.Heartbeat,
      // eslint-disable-next-line id-length
      d: nonce2
    });
  }
  /**
   * Sets/clears an interval to send heartbeats over the WebSocket.
   *
   * @param ms - The interval in milliseconds. If negative, the interval will be unset
   */
  setHeartbeatInterval(ms) {
    if (this.heartbeatInterval !== void 0) clearInterval(this.heartbeatInterval);
    if (ms > 0) {
      this.heartbeatInterval = setInterval(() => {
        if (this.lastHeartbeatSend !== 0 && this.missedHeartbeats >= 3) {
          this.ws.close();
          this.setHeartbeatInterval(-1);
        }
        this.sendHeartbeat();
      }, ms);
    }
  }
};

// src/networking/Networking.ts
var CHANNELS = 2;
var TIMESTAMP_INC = 48e3 / 100 * CHANNELS;
var MAX_NONCE_SIZE = 2 ** 32 - 1;
var SUPPORTED_ENCRYPTION_MODES = ["aead_xchacha20_poly1305_rtpsize"];
if (crypto.getCiphers().includes("aes-256-gcm")) {
  SUPPORTED_ENCRYPTION_MODES.unshift("aead_aes256_gcm_rtpsize");
}
var nonce = Buffer4.alloc(24);
function stringifyState(state) {
  return JSON.stringify({
    ...state,
    ws: Reflect.has(state, "ws"),
    udp: Reflect.has(state, "udp")
  });
}
__name(stringifyState, "stringifyState");
function chooseEncryptionMode(options) {
  const option = options.find((option2) => SUPPORTED_ENCRYPTION_MODES.includes(option2));
  if (!option) {
    throw new Error(`No compatible encryption modes. Available include: ${options.join(", ")}`);
  }
  return option;
}
__name(chooseEncryptionMode, "chooseEncryptionMode");
function randomNBit(numberOfBits) {
  return Math.floor(Math.random() * 2 ** numberOfBits);
}
__name(randomNBit, "randomNBit");
var Networking = class extends EventEmitter3 {
  static {
    __name(this, "Networking");
  }
  _state;
  /**
   * The debug logger function, if debugging is enabled.
   */
  debug;
  /**
   * Creates a new Networking instance.
   */
  constructor(options, debug) {
    super();
    this.onWsOpen = this.onWsOpen.bind(this);
    this.onChildError = this.onChildError.bind(this);
    this.onWsPacket = this.onWsPacket.bind(this);
    this.onWsClose = this.onWsClose.bind(this);
    this.onWsDebug = this.onWsDebug.bind(this);
    this.onUdpDebug = this.onUdpDebug.bind(this);
    this.onUdpClose = this.onUdpClose.bind(this);
    this.debug = debug ? (message) => this.emit("debug", message) : null;
    this._state = {
      code: 0 /* OpeningWs */,
      ws: this.createWebSocket(options.endpoint),
      connectionOptions: options
    };
  }
  /**
   * Destroys the Networking instance, transitioning it into the Closed state.
   */
  destroy() {
    this.state = {
      code: 6 /* Closed */
    };
  }
  /**
   * The current state of the networking instance.
   */
  get state() {
    return this._state;
  }
  /**
   * Sets a new state for the networking instance, performing clean-up operations where necessary.
   */
  set state(newState) {
    const oldWs = Reflect.get(this._state, "ws");
    const newWs = Reflect.get(newState, "ws");
    if (oldWs && oldWs !== newWs) {
      oldWs.off("debug", this.onWsDebug);
      oldWs.on("error", noop);
      oldWs.off("error", this.onChildError);
      oldWs.off("open", this.onWsOpen);
      oldWs.off("packet", this.onWsPacket);
      oldWs.off("close", this.onWsClose);
      oldWs.destroy();
    }
    const oldUdp = Reflect.get(this._state, "udp");
    const newUdp = Reflect.get(newState, "udp");
    if (oldUdp && oldUdp !== newUdp) {
      oldUdp.on("error", noop);
      oldUdp.off("error", this.onChildError);
      oldUdp.off("close", this.onUdpClose);
      oldUdp.off("debug", this.onUdpDebug);
      oldUdp.destroy();
    }
    const oldState = this._state;
    this._state = newState;
    this.emit("stateChange", oldState, newState);
    this.debug?.(`state change:
from ${stringifyState(oldState)}
to ${stringifyState(newState)}`);
  }
  /**
   * Creates a new WebSocket to a Discord Voice gateway.
   *
   * @param endpoint - The endpoint to connect to
   */
  createWebSocket(endpoint) {
    const ws = new VoiceWebSocket(`wss://${endpoint}?v=4`, Boolean(this.debug));
    ws.on("error", this.onChildError);
    ws.once("open", this.onWsOpen);
    ws.on("packet", this.onWsPacket);
    ws.once("close", this.onWsClose);
    ws.on("debug", this.onWsDebug);
    return ws;
  }
  /**
   * Propagates errors from the children VoiceWebSocket and VoiceUDPSocket.
   *
   * @param error - The error that was emitted by a child
   */
  onChildError(error) {
    this.emit("error", error);
  }
  /**
   * Called when the WebSocket opens. Depending on the state that the instance is in,
   * it will either identify with a new session, or it will attempt to resume an existing session.
   */
  onWsOpen() {
    if (this.state.code === 0 /* OpeningWs */) {
      const packet = {
        op: VoiceOpcodes2.Identify,
        d: {
          server_id: this.state.connectionOptions.serverId,
          user_id: this.state.connectionOptions.userId,
          session_id: this.state.connectionOptions.sessionId,
          token: this.state.connectionOptions.token
        }
      };
      this.state.ws.sendPacket(packet);
      this.state = {
        ...this.state,
        code: 1 /* Identifying */
      };
    } else if (this.state.code === 5 /* Resuming */) {
      const packet = {
        op: VoiceOpcodes2.Resume,
        d: {
          server_id: this.state.connectionOptions.serverId,
          session_id: this.state.connectionOptions.sessionId,
          token: this.state.connectionOptions.token
        }
      };
      this.state.ws.sendPacket(packet);
    }
  }
  /**
   * Called when the WebSocket closes. Based on the reason for closing (given by the code parameter),
   * the instance will either attempt to resume, or enter the closed state and emit a 'close' event
   * with the close code, allowing the user to decide whether or not they would like to reconnect.
   *
   * @param code - The close code
   */
  onWsClose({ code }) {
    const canResume = code === 4015 || code < 4e3;
    if (canResume && this.state.code === 4 /* Ready */) {
      this.state = {
        ...this.state,
        code: 5 /* Resuming */,
        ws: this.createWebSocket(this.state.connectionOptions.endpoint)
      };
    } else if (this.state.code !== 6 /* Closed */) {
      this.destroy();
      this.emit("close", code);
    }
  }
  /**
   * Called when the UDP socket has closed itself if it has stopped receiving replies from Discord.
   */
  onUdpClose() {
    if (this.state.code === 4 /* Ready */) {
      this.state = {
        ...this.state,
        code: 5 /* Resuming */,
        ws: this.createWebSocket(this.state.connectionOptions.endpoint)
      };
    }
  }
  /**
   * Called when a packet is received on the connection's WebSocket.
   *
   * @param packet - The received packet
   */
  onWsPacket(packet) {
    if (packet.op === VoiceOpcodes2.Hello && this.state.code !== 6 /* Closed */) {
      this.state.ws.setHeartbeatInterval(packet.d.heartbeat_interval);
    } else if (packet.op === VoiceOpcodes2.Ready && this.state.code === 1 /* Identifying */) {
      const { ip, port, ssrc, modes } = packet.d;
      const udp = new VoiceUDPSocket({ ip, port });
      udp.on("error", this.onChildError);
      udp.on("debug", this.onUdpDebug);
      udp.once("close", this.onUdpClose);
      udp.performIPDiscovery(ssrc).then((localConfig) => {
        if (this.state.code !== 2 /* UdpHandshaking */) return;
        this.state.ws.sendPacket({
          op: VoiceOpcodes2.SelectProtocol,
          d: {
            protocol: "udp",
            data: {
              address: localConfig.ip,
              port: localConfig.port,
              mode: chooseEncryptionMode(modes)
            }
          }
        });
        this.state = {
          ...this.state,
          code: 3 /* SelectingProtocol */
        };
      }).catch((error) => this.emit("error", error));
      this.state = {
        ...this.state,
        code: 2 /* UdpHandshaking */,
        udp,
        connectionData: {
          ssrc
        }
      };
    } else if (packet.op === VoiceOpcodes2.SessionDescription && this.state.code === 3 /* SelectingProtocol */) {
      const { mode: encryptionMode, secret_key: secretKey } = packet.d;
      this.state = {
        ...this.state,
        code: 4 /* Ready */,
        connectionData: {
          ...this.state.connectionData,
          encryptionMode,
          secretKey: new Uint8Array(secretKey),
          sequence: randomNBit(16),
          timestamp: randomNBit(32),
          nonce: 0,
          nonceBuffer: encryptionMode === "aead_aes256_gcm_rtpsize" ? Buffer4.alloc(12) : Buffer4.alloc(24),
          speaking: false,
          packetsPlayed: 0
        }
      };
    } else if (packet.op === VoiceOpcodes2.Resumed && this.state.code === 5 /* Resuming */) {
      this.state = {
        ...this.state,
        code: 4 /* Ready */
      };
      this.state.connectionData.speaking = false;
    }
  }
  /**
   * Propagates debug messages from the child WebSocket.
   *
   * @param message - The emitted debug message
   */
  onWsDebug(message) {
    this.debug?.(`[WS] ${message}`);
  }
  /**
   * Propagates debug messages from the child UDPSocket.
   *
   * @param message - The emitted debug message
   */
  onUdpDebug(message) {
    this.debug?.(`[UDP] ${message}`);
  }
  /**
   * Prepares an Opus packet for playback. This includes attaching metadata to it and encrypting it.
   * It will be stored within the instance, and can be played by dispatchAudio()
   *
   * @remarks
   * Calling this method while there is already a prepared audio packet that has not yet been dispatched
   * will overwrite the existing audio packet. This should be avoided.
   * @param opusPacket - The Opus packet to encrypt
   * @returns The audio packet that was prepared
   */
  prepareAudioPacket(opusPacket) {
    const state = this.state;
    if (state.code !== 4 /* Ready */) return;
    state.preparedPacket = this.createAudioPacket(opusPacket, state.connectionData);
    return state.preparedPacket;
  }
  /**
   * Dispatches the audio packet previously prepared by prepareAudioPacket(opusPacket). The audio packet
   * is consumed and cannot be dispatched again.
   */
  dispatchAudio() {
    const state = this.state;
    if (state.code !== 4 /* Ready */) return false;
    if (state.preparedPacket !== void 0) {
      this.playAudioPacket(state.preparedPacket);
      state.preparedPacket = void 0;
      return true;
    }
    return false;
  }
  /**
   * Plays an audio packet, updating timing metadata used for playback.
   *
   * @param audioPacket - The audio packet to play
   */
  playAudioPacket(audioPacket) {
    const state = this.state;
    if (state.code !== 4 /* Ready */) return;
    const { connectionData } = state;
    connectionData.packetsPlayed++;
    connectionData.sequence++;
    connectionData.timestamp += TIMESTAMP_INC;
    if (connectionData.sequence >= 2 ** 16) connectionData.sequence = 0;
    if (connectionData.timestamp >= 2 ** 32) connectionData.timestamp = 0;
    this.setSpeaking(true);
    state.udp.send(audioPacket);
  }
  /**
   * Sends a packet to the voice gateway indicating that the client has start/stopped sending
   * audio.
   *
   * @param speaking - Whether or not the client should be shown as speaking
   */
  setSpeaking(speaking) {
    const state = this.state;
    if (state.code !== 4 /* Ready */) return;
    if (state.connectionData.speaking === speaking) return;
    state.connectionData.speaking = speaking;
    state.ws.sendPacket({
      op: VoiceOpcodes2.Speaking,
      d: {
        speaking: speaking ? 1 : 0,
        delay: 0,
        ssrc: state.connectionData.ssrc
      }
    });
  }
  /**
   * Creates a new audio packet from an Opus packet. This involves encrypting the packet,
   * then prepending a header that includes metadata.
   *
   * @param opusPacket - The Opus packet to prepare
   * @param connectionData - The current connection data of the instance
   */
  createAudioPacket(opusPacket, connectionData) {
    const rtpHeader = Buffer4.alloc(12);
    rtpHeader[0] = 128;
    rtpHeader[1] = 120;
    const { sequence, timestamp, ssrc } = connectionData;
    rtpHeader.writeUIntBE(sequence, 2, 2);
    rtpHeader.writeUIntBE(timestamp, 4, 4);
    rtpHeader.writeUIntBE(ssrc, 8, 4);
    rtpHeader.copy(nonce, 0, 0, 12);
    return Buffer4.concat([rtpHeader, ...this.encryptOpusPacket(opusPacket, connectionData, rtpHeader)]);
  }
  /**
   * Encrypts an Opus packet using the format agreed upon by the instance and Discord.
   *
   * @param opusPacket - The Opus packet to encrypt
   * @param connectionData - The current connection data of the instance
   */
  encryptOpusPacket(opusPacket, connectionData, additionalData) {
    const { secretKey, encryptionMode } = connectionData;
    connectionData.nonce++;
    if (connectionData.nonce > MAX_NONCE_SIZE) connectionData.nonce = 0;
    connectionData.nonceBuffer.writeUInt32BE(connectionData.nonce, 0);
    const noncePadding = connectionData.nonceBuffer.subarray(0, 4);
    let encrypted;
    switch (encryptionMode) {
      case "aead_aes256_gcm_rtpsize": {
        const cipher = crypto.createCipheriv("aes-256-gcm", secretKey, connectionData.nonceBuffer);
        cipher.setAAD(additionalData);
        encrypted = Buffer4.concat([cipher.update(opusPacket), cipher.final(), cipher.getAuthTag()]);
        return [encrypted, noncePadding];
      }
      case "aead_xchacha20_poly1305_rtpsize": {
        encrypted = methods.crypto_aead_xchacha20poly1305_ietf_encrypt(
          opusPacket,
          additionalData,
          connectionData.nonceBuffer,
          secretKey
        );
        return [encrypted, noncePadding];
      }
      default: {
        throw new RangeError(`Unsupported encryption method: ${encryptionMode}`);
      }
    }
  }
};

// src/receive/VoiceReceiver.ts
import { Buffer as Buffer6 } from "node:buffer";
import crypto2 from "node:crypto";
import { VoiceOpcodes as VoiceOpcodes3 } from "discord-api-types/voice/v4";

// src/receive/AudioReceiveStream.ts
import { Readable } from "node:stream";

// src/audio/AudioPlayer.ts
import { Buffer as Buffer5 } from "node:buffer";
import { EventEmitter as EventEmitter4 } from "node:events";

// src/audio/AudioPlayerError.ts
var AudioPlayerError = class extends Error {
  static {
    __name(this, "AudioPlayerError");
  }
  /**
   * The resource associated with the audio player at the time the error was thrown.
   */
  resource;
  constructor(error, resource) {
    super(error.message);
    this.resource = resource;
    this.name = error.name;
    this.stack = error.stack;
  }
};

// src/audio/PlayerSubscription.ts
var PlayerSubscription = class {
  static {
    __name(this, "PlayerSubscription");
  }
  /**
   * The voice connection of this subscription.
   */
  connection;
  /**
   * The audio player of this subscription.
   */
  player;
  constructor(connection, player) {
    this.connection = connection;
    this.player = player;
  }
  /**
   * Unsubscribes the connection from the audio player, meaning that the
   * audio player cannot stream audio to it until a new subscription is made.
   */
  unsubscribe() {
    this.connection["onSubscriptionRemoved"](this);
    this.player["unsubscribe"](this);
  }
};

// src/audio/AudioPlayer.ts
var SILENCE_FRAME = Buffer5.from([248, 255, 254]);
var NoSubscriberBehavior = /* @__PURE__ */ ((NoSubscriberBehavior2) => {
  NoSubscriberBehavior2["Pause"] = "pause";
  NoSubscriberBehavior2["Play"] = "play";
  NoSubscriberBehavior2["Stop"] = "stop";
  return NoSubscriberBehavior2;
})(NoSubscriberBehavior || {});
var AudioPlayerStatus = /* @__PURE__ */ ((AudioPlayerStatus2) => {
  AudioPlayerStatus2["AutoPaused"] = "autopaused";
  AudioPlayerStatus2["Buffering"] = "buffering";
  AudioPlayerStatus2["Idle"] = "idle";
  AudioPlayerStatus2["Paused"] = "paused";
  AudioPlayerStatus2["Playing"] = "playing";
  return AudioPlayerStatus2;
})(AudioPlayerStatus || {});
function stringifyState2(state) {
  return JSON.stringify({
    ...state,
    resource: Reflect.has(state, "resource"),
    stepTimeout: Reflect.has(state, "stepTimeout")
  });
}
__name(stringifyState2, "stringifyState");
var AudioPlayer = class extends EventEmitter4 {
  static {
    __name(this, "AudioPlayer");
  }
  /**
   * The state that the AudioPlayer is in.
   */
  _state;
  /**
   * A list of VoiceConnections that are registered to this AudioPlayer. The player will attempt to play audio
   * to the streams in this list.
   */
  subscribers = [];
  /**
   * The behavior that the player should follow when it enters certain situations.
   */
  behaviors;
  /**
   * The debug logger function, if debugging is enabled.
   */
  debug;
  /**
   * Creates a new AudioPlayer.
   */
  constructor(options = {}) {
    super();
    this._state = { status: "idle" /* Idle */ };
    this.behaviors = {
      noSubscriber: "pause" /* Pause */,
      maxMissedFrames: 5,
      ...options.behaviors
    };
    this.debug = options.debug === false ? null : (message) => this.emit("debug", message);
  }
  /**
   * A list of subscribed voice connections that can currently receive audio to play.
   */
  get playable() {
    return this.subscribers.filter(({ connection }) => connection.state.status === "ready" /* Ready */).map(({ connection }) => connection);
  }
  /**
   * Subscribes a VoiceConnection to the audio player's play list. If the VoiceConnection is already subscribed,
   * then the existing subscription is used.
   *
   * @remarks
   * This method should not be directly called. Instead, use VoiceConnection#subscribe.
   * @param connection - The connection to subscribe
   * @returns The new subscription if the voice connection is not yet subscribed, otherwise the existing subscription
   */
  // @ts-ignore
  subscribe(connection) {
    const existingSubscription = this.subscribers.find((subscription) => subscription.connection === connection);
    if (!existingSubscription) {
      const subscription = new PlayerSubscription(connection, this);
      this.subscribers.push(subscription);
      setImmediate(() => this.emit("subscribe", subscription));
      return subscription;
    }
    return existingSubscription;
  }
  /**
   * Unsubscribes a subscription - i.e. removes a voice connection from the play list of the audio player.
   *
   * @remarks
   * This method should not be directly called. Instead, use PlayerSubscription#unsubscribe.
   * @param subscription - The subscription to remove
   * @returns Whether or not the subscription existed on the player and was removed
   */
  // @ts-ignore
  unsubscribe(subscription) {
    const index = this.subscribers.indexOf(subscription);
    const exists = index !== -1;
    if (exists) {
      this.subscribers.splice(index, 1);
      subscription.connection.setSpeaking(false);
      this.emit("unsubscribe", subscription);
    }
    return exists;
  }
  /**
   * The state that the player is in.
   */
  get state() {
    return this._state;
  }
  /**
   * Sets a new state for the player, performing clean-up operations where necessary.
   */
  set state(newState) {
    const oldState = this._state;
    const newResource = Reflect.get(newState, "resource");
    if (oldState.status !== "idle" /* Idle */ && oldState.resource !== newResource) {
      oldState.resource.playStream.on("error", noop);
      oldState.resource.playStream.off("error", oldState.onStreamError);
      oldState.resource.audioPlayer = void 0;
      oldState.resource.playStream.destroy();
      oldState.resource.playStream.read();
    }
    if (oldState.status === "buffering" /* Buffering */ && (newState.status !== "buffering" /* Buffering */ || newState.resource !== oldState.resource)) {
      oldState.resource.playStream.off("end", oldState.onFailureCallback);
      oldState.resource.playStream.off("close", oldState.onFailureCallback);
      oldState.resource.playStream.off("finish", oldState.onFailureCallback);
      oldState.resource.playStream.off("readable", oldState.onReadableCallback);
    }
    if (newState.status === "idle" /* Idle */) {
      this._signalStopSpeaking();
      deleteAudioPlayer(this);
    }
    if (newResource) {
      addAudioPlayer(this);
    }
    const didChangeResources = oldState.status !== "idle" /* Idle */ && newState.status === "playing" /* Playing */ && oldState.resource !== newState.resource;
    this._state = newState;
    this.emit("stateChange", oldState, this._state);
    if (oldState.status !== newState.status || didChangeResources) {
      this.emit(newState.status, oldState, this._state);
    }
    this.debug?.(`state change:
from ${stringifyState2(oldState)}
to ${stringifyState2(newState)}`);
  }
  /**
   * Plays a new resource on the player. If the player is already playing a resource, the existing resource is destroyed
   * (it cannot be reused, even in another player) and is replaced with the new resource.
   *
   * @remarks
   * The player will transition to the Playing state once playback begins, and will return to the Idle state once
   * playback is ended.
   *
   * If the player was previously playing a resource and this method is called, the player will not transition to the
   * Idle state during the swap over.
   * @param resource - The resource to play
   * @throws Will throw if attempting to play an audio resource that has already ended, or is being played by another player
   */
  play(resource) {
    if (resource.ended) {
      throw new Error("Cannot play a resource that has already ended.");
    }
    if (resource.audioPlayer) {
      if (resource.audioPlayer === this) {
        return;
      }
      throw new Error("Resource is already being played by another audio player.");
    }
    resource.audioPlayer = this;
    const onStreamError = /* @__PURE__ */ __name((error) => {
      if (this.state.status !== "idle" /* Idle */) {
        this.emit("error", new AudioPlayerError(error, this.state.resource));
      }
      if (this.state.status !== "idle" /* Idle */ && this.state.resource === resource) {
        this.state = {
          status: "idle" /* Idle */
        };
      }
    }, "onStreamError");
    resource.playStream.once("error", onStreamError);
    if (resource.started) {
      this.state = {
        status: "playing" /* Playing */,
        missedFrames: 0,
        playbackDuration: 0,
        resource,
        onStreamError
      };
    } else {
      const onReadableCallback = /* @__PURE__ */ __name(() => {
        if (this.state.status === "buffering" /* Buffering */ && this.state.resource === resource) {
          this.state = {
            status: "playing" /* Playing */,
            missedFrames: 0,
            playbackDuration: 0,
            resource,
            onStreamError
          };
        }
      }, "onReadableCallback");
      const onFailureCallback = /* @__PURE__ */ __name(() => {
        if (this.state.status === "buffering" /* Buffering */ && this.state.resource === resource) {
          this.state = {
            status: "idle" /* Idle */
          };
        }
      }, "onFailureCallback");
      resource.playStream.once("readable", onReadableCallback);
      resource.playStream.once("end", onFailureCallback);
      resource.playStream.once("close", onFailureCallback);
      resource.playStream.once("finish", onFailureCallback);
      this.state = {
        status: "buffering" /* Buffering */,
        resource,
        onReadableCallback,
        onFailureCallback,
        onStreamError
      };
    }
  }
  /**
   * Pauses playback of the current resource, if any.
   *
   * @param interpolateSilence - If true, the player will play 5 packets of silence after pausing to prevent audio glitches
   * @returns `true` if the player was successfully paused, otherwise `false`
   */
  pause(interpolateSilence = true) {
    if (this.state.status !== "playing" /* Playing */) return false;
    this.state = {
      ...this.state,
      status: "paused" /* Paused */,
      silencePacketsRemaining: interpolateSilence ? 5 : 0
    };
    return true;
  }
  /**
   * Unpauses playback of the current resource, if any.
   *
   * @returns `true` if the player was successfully unpaused, otherwise `false`
   */
  unpause() {
    if (this.state.status !== "paused" /* Paused */) return false;
    this.state = {
      ...this.state,
      status: "playing" /* Playing */,
      missedFrames: 0
    };
    return true;
  }
  /**
   * Stops playback of the current resource and destroys the resource. The player will either transition to the Idle state,
   * or remain in its current state until the silence padding frames of the resource have been played.
   *
   * @param force - If true, will force the player to enter the Idle state even if the resource has silence padding frames
   * @returns `true` if the player will come to a stop, otherwise `false`
   */
  stop(force = false) {
    if (this.state.status === "idle" /* Idle */) return false;
    if (force || this.state.resource.silencePaddingFrames === 0) {
      this.state = {
        status: "idle" /* Idle */
      };
    } else if (this.state.resource.silenceRemaining === -1) {
      this.state.resource.silenceRemaining = this.state.resource.silencePaddingFrames;
    }
    return true;
  }
  /**
   * Checks whether the underlying resource (if any) is playable (readable)
   *
   * @returns `true` if the resource is playable, otherwise `false`
   */
  checkPlayable() {
    const state = this._state;
    if (state.status === "idle" /* Idle */ || state.status === "buffering" /* Buffering */) return false;
    if (!state.resource.readable) {
      this.state = {
        status: "idle" /* Idle */
      };
      return false;
    }
    return true;
  }
  /**
   * Called roughly every 20ms by the global audio player timer. Dispatches any audio packets that are buffered
   * by the active connections of this audio player.
   */
  // @ts-ignore
  _stepDispatch() {
    const state = this._state;
    if (state.status === "idle" /* Idle */ || state.status === "buffering" /* Buffering */) return;
    for (const connection of this.playable) {
      connection.dispatchAudio();
    }
  }
  /**
   * Called roughly every 20ms by the global audio player timer. Attempts to read an audio packet from the
   * underlying resource of the stream, and then has all the active connections of the audio player prepare it
   * (encrypt it, append header data) so that it is ready to play at the start of the next cycle.
   */
  // @ts-ignore
  _stepPrepare() {
    const state = this._state;
    if (state.status === "idle" /* Idle */ || state.status === "buffering" /* Buffering */) return;
    const playable = this.playable;
    if (state.status === "autopaused" /* AutoPaused */ && playable.length > 0) {
      this.state = {
        ...state,
        status: "playing" /* Playing */,
        missedFrames: 0
      };
    }
    if (state.status === "paused" /* Paused */ || state.status === "autopaused" /* AutoPaused */) {
      if (state.silencePacketsRemaining > 0) {
        state.silencePacketsRemaining--;
        this._preparePacket(SILENCE_FRAME, playable, state);
        if (state.silencePacketsRemaining === 0) {
          this._signalStopSpeaking();
        }
      }
      return;
    }
    if (playable.length === 0) {
      if (this.behaviors.noSubscriber === "pause" /* Pause */) {
        this.state = {
          ...state,
          status: "autopaused" /* AutoPaused */,
          silencePacketsRemaining: 5
        };
        return;
      } else if (this.behaviors.noSubscriber === "stop" /* Stop */) {
        this.stop(true);
      }
    }
    const packet = state.resource.read();
    if (state.status === "playing" /* Playing */) {
      if (packet) {
        this._preparePacket(packet, playable, state);
        state.missedFrames = 0;
      } else {
        this._preparePacket(SILENCE_FRAME, playable, state);
        state.missedFrames++;
        if (state.missedFrames >= this.behaviors.maxMissedFrames) {
          this.stop();
        }
      }
    }
  }
  /**
   * Signals to all the subscribed connections that they should send a packet to Discord indicating
   * they are no longer speaking. Called once playback of a resource ends.
   */
  _signalStopSpeaking() {
    for (const { connection } of this.subscribers) {
      connection.setSpeaking(false);
    }
  }
  /**
   * Instructs the given connections to each prepare this packet to be played at the start of the
   * next cycle.
   *
   * @param packet - The Opus packet to be prepared by each receiver
   * @param receivers - The connections that should play this packet
   */
  _preparePacket(packet, receivers, state) {
    state.playbackDuration += 20;
    for (const connection of receivers) {
      connection.prepareAudioPacket(packet);
    }
  }
};
function createAudioPlayer(options) {
  return new AudioPlayer(options);
}
__name(createAudioPlayer, "createAudioPlayer");

// src/receive/AudioReceiveStream.ts
var EndBehaviorType = /* @__PURE__ */ ((EndBehaviorType2) => {
  EndBehaviorType2[EndBehaviorType2["Manual"] = 0] = "Manual";
  EndBehaviorType2[EndBehaviorType2["AfterSilence"] = 1] = "AfterSilence";
  EndBehaviorType2[EndBehaviorType2["AfterInactivity"] = 2] = "AfterInactivity";
  return EndBehaviorType2;
})(EndBehaviorType || {});
function createDefaultAudioReceiveStreamOptions() {
  return {
    end: {
      behavior: 0 /* Manual */
    }
  };
}
__name(createDefaultAudioReceiveStreamOptions, "createDefaultAudioReceiveStreamOptions");
var AudioReceiveStream = class extends Readable {
  static {
    __name(this, "AudioReceiveStream");
  }
  /**
   * The end behavior of the receive stream.
   */
  end;
  endTimeout;
  constructor({ end, ...options }) {
    super({
      ...options,
      objectMode: true
    });
    this.end = end;
  }
  push(buffer) {
    if (buffer && (this.end.behavior === 2 /* AfterInactivity */ || this.end.behavior === 1 /* AfterSilence */ && (buffer.compare(SILENCE_FRAME) !== 0 || this.endTimeout === void 0))) {
      this.renewEndTimeout(this.end);
    }
    return super.push(buffer);
  }
  renewEndTimeout(end) {
    if (this.endTimeout) {
      clearTimeout(this.endTimeout);
    }
    this.endTimeout = setTimeout(() => this.push(null), end.duration);
  }
  _read() {
  }
};

// src/receive/SSRCMap.ts
import { EventEmitter as EventEmitter5 } from "node:events";
var SSRCMap = class extends EventEmitter5 {
  static {
    __name(this, "SSRCMap");
  }
  /**
   * The underlying map.
   */
  map;
  constructor() {
    super();
    this.map = /* @__PURE__ */ new Map();
  }
  /**
   * Updates the map with new user data
   *
   * @param data - The data to update with
   */
  update(data) {
    const existing = this.map.get(data.audioSSRC);
    const newValue = {
      ...this.map.get(data.audioSSRC),
      ...data
    };
    this.map.set(data.audioSSRC, newValue);
    if (!existing) this.emit("create", newValue);
    this.emit("update", existing, newValue);
  }
  /**
   * Gets the stored voice data of a user.
   *
   * @param target - The target, either their user id or audio SSRC
   */
  get(target) {
    if (typeof target === "number") {
      return this.map.get(target);
    }
    for (const data of this.map.values()) {
      if (data.userId === target) {
        return data;
      }
    }
    return void 0;
  }
  /**
   * Deletes the stored voice data about a user.
   *
   * @param target - The target of the delete operation, either their audio SSRC or user id
   * @returns The data that was deleted, if any
   */
  delete(target) {
    if (typeof target === "number") {
      const existing = this.map.get(target);
      if (existing) {
        this.map.delete(target);
        this.emit("delete", existing);
      }
      return existing;
    }
    for (const [audioSSRC, data] of this.map.entries()) {
      if (data.userId === target) {
        this.map.delete(audioSSRC);
        this.emit("delete", data);
        return data;
      }
    }
    return void 0;
  }
};

// src/receive/SpeakingMap.ts
import { EventEmitter as EventEmitter6 } from "node:events";
var SpeakingMap = class _SpeakingMap extends EventEmitter6 {
  static {
    __name(this, "SpeakingMap");
  }
  /**
   * The delay after a packet is received from a user until they're marked as not speaking anymore.
   */
  static DELAY = 100;
  /**
   * The currently speaking users, mapped to the milliseconds since UNIX epoch at which they started speaking.
   */
  users;
  speakingTimeouts;
  constructor() {
    super();
    this.users = /* @__PURE__ */ new Map();
    this.speakingTimeouts = /* @__PURE__ */ new Map();
  }
  onPacket(userId) {
    const timeout = this.speakingTimeouts.get(userId);
    if (timeout) {
      clearTimeout(timeout);
    } else {
      this.users.set(userId, Date.now());
      this.emit("start", userId);
    }
    this.startTimeout(userId);
  }
  startTimeout(userId) {
    this.speakingTimeouts.set(
      userId,
      setTimeout(() => {
        this.emit("end", userId);
        this.speakingTimeouts.delete(userId);
        this.users.delete(userId);
      }, _SpeakingMap.DELAY)
    );
  }
};

// src/receive/VoiceReceiver.ts
var HEADER_EXTENSION_BYTE = Buffer6.from([190, 222]);
var UNPADDED_NONCE_LENGTH = 4;
var AUTH_TAG_LENGTH = 16;
var VoiceReceiver = class {
  static {
    __name(this, "VoiceReceiver");
  }
  /**
   * The attached connection of this receiver.
   */
  voiceConnection;
  /**
   * Maps SSRCs to Discord user ids.
   */
  ssrcMap;
  /**
   * The current audio subscriptions of this receiver.
   */
  subscriptions;
  /**
   * The connection data of the receiver.
   *
   * @internal
   */
  connectionData;
  /**
   * The speaking map of the receiver.
   */
  speaking;
  constructor(voiceConnection) {
    this.voiceConnection = voiceConnection;
    this.ssrcMap = new SSRCMap();
    this.speaking = new SpeakingMap();
    this.subscriptions = /* @__PURE__ */ new Map();
    this.connectionData = {};
    this.onWsPacket = this.onWsPacket.bind(this);
    this.onUdpMessage = this.onUdpMessage.bind(this);
  }
  /**
   * Called when a packet is received on the attached connection's WebSocket.
   *
   * @param packet - The received packet
   * @internal
   */
  onWsPacket(packet) {
    if (packet.op === VoiceOpcodes3.ClientDisconnect && typeof packet.d?.user_id === "string") {
      this.ssrcMap.delete(packet.d.user_id);
    } else if (packet.op === VoiceOpcodes3.Speaking && typeof packet.d?.user_id === "string" && typeof packet.d?.ssrc === "number") {
      this.ssrcMap.update({ userId: packet.d.user_id, audioSSRC: packet.d.ssrc });
    } else if (packet.op === VoiceOpcodes3.ClientConnect && typeof packet.d?.user_id === "string" && typeof packet.d?.audio_ssrc === "number") {
      this