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node-av / webrtc / RTCPeerConnection

Class: RTCPeerConnection

Defined in: node_modules/werift/lib/webrtc/src/peerConnection.d.ts:13

Extends

  • EventTarget

Constructors

Constructor

new RTCPeerConnection(config?): RTCPeerConnection

Defined in: node_modules/werift/lib/webrtc/src/peerConnection.d.ts:46

Parameters

config?

Partial<PeerConfig>

Returns

RTCPeerConnection

Overrides

EventTarget.constructor

Properties

addEventListener

addEventListener: (type, listener) => void

Defined in: node_modules/werift/lib/webrtc/src/helper.d.ts:14

Parameters

type

string

listener

(...args) => void

Returns

void

Inherited from

EventTarget.addEventListener


cname

readonly cname: string

Defined in: node_modules/werift/lib/webrtc/src/peerConnection.d.ts:14


config

config: Required<PeerConfig>

Defined in: node_modules/werift/lib/webrtc/src/peerConnection.d.ts:15


connectionStateChange

readonly connectionStateChange: Event<["new" | "closed" | "disconnected" | "connected" | "failed" | "connecting"]>

Defined in: node_modules/werift/lib/webrtc/src/peerConnection.d.ts:30


iceConnectionStateChange

readonly iceConnectionStateChange: Event<["new" | "closed" | "disconnected" | "completed" | "connected" | "failed" | "checking"]>

Defined in: node_modules/werift/lib/webrtc/src/peerConnection.d.ts:28


iceGatheringStateChange

readonly iceGatheringStateChange: Event<["new" | "complete" | "gathering"]>

Defined in: node_modules/werift/lib/webrtc/src/peerConnection.d.ts:27


needRestart

needRestart: boolean

Defined in: node_modules/werift/lib/webrtc/src/peerConnection.d.ts:18


negotiationneeded

negotiationneeded: boolean

Defined in: node_modules/werift/lib/webrtc/src/peerConnection.d.ts:17


onconnectionstatechange?

optional onconnectionstatechange?: Callback

Defined in: node_modules/werift/lib/webrtc/src/peerConnection.d.ts:44


ondatachannel?

optional ondatachannel?: CallbackWithValue<RTCDataChannelEvent>

Defined in: node_modules/werift/lib/webrtc/src/peerConnection.d.ts:37


onDataChannel

readonly onDataChannel: Event<[RTCDataChannel]>

Defined in: node_modules/werift/lib/webrtc/src/peerConnection.d.ts:31


onicecandidate?

optional onicecandidate?: CallbackWithValue<RTCPeerConnectionIceEvent>

Defined in: node_modules/werift/lib/webrtc/src/peerConnection.d.ts:38


onIceCandidate

readonly onIceCandidate: Event<[RTCIceCandidate | undefined]>

Defined in: node_modules/werift/lib/webrtc/src/peerConnection.d.ts:34


onicecandidateerror?

optional onicecandidateerror?: CallbackWithValue<any>

Defined in: node_modules/werift/lib/webrtc/src/peerConnection.d.ts:39


oniceconnectionstatechange?

optional oniceconnectionstatechange?: Callback

Defined in: node_modules/werift/lib/webrtc/src/peerConnection.d.ts:45


onicegatheringstatechange?

optional onicegatheringstatechange?: CallbackWithValue<any>

Defined in: node_modules/werift/lib/webrtc/src/peerConnection.d.ts:40


onnegotiationneeded?

optional onnegotiationneeded?: CallbackWithValue<any>

Defined in: node_modules/werift/lib/webrtc/src/peerConnection.d.ts:41


onNegotiationneeded

readonly onNegotiationneeded: Event<[]>

Defined in: node_modules/werift/lib/webrtc/src/peerConnection.d.ts:35


onRemoteTransceiverAdded

readonly onRemoteTransceiverAdded: Event<[RTCRtpTransceiver]>

Defined in: node_modules/werift/lib/webrtc/src/peerConnection.d.ts:32


onsignalingstatechange?

optional onsignalingstatechange?: CallbackWithValue<any>

Defined in: node_modules/werift/lib/webrtc/src/peerConnection.d.ts:42


ontrack?

optional ontrack?: CallbackWithValue<RTCTrackEvent>

Defined in: node_modules/werift/lib/webrtc/src/peerConnection.d.ts:43


onTrack

readonly onTrack: Event<[MediaStreamTrack]>

Defined in: node_modules/werift/lib/webrtc/src/peerConnection.d.ts:36


onTransceiverAdded

readonly onTransceiverAdded: Event<[RTCRtpTransceiver]>

Defined in: node_modules/werift/lib/webrtc/src/peerConnection.d.ts:33


removeEventListener

removeEventListener: (type, listener) => void

Defined in: node_modules/werift/lib/webrtc/src/helper.d.ts:15

Parameters

type

string

listener

(...args) => void

Returns

void

Inherited from

EventTarget.removeEventListener


signalingState

signalingState: "closed" | "stable" | "have-local-offer" | "have-remote-offer" | "have-local-pranswer" | "have-remote-pranswer"

Defined in: node_modules/werift/lib/webrtc/src/peerConnection.d.ts:16


signalingStateChange

readonly signalingStateChange: Event<["closed" | "stable" | "have-local-offer" | "have-remote-offer" | "have-local-pranswer" | "have-remote-pranswer"]>

Defined in: node_modules/werift/lib/webrtc/src/peerConnection.d.ts:29

Accessors

connectionState

Get Signature

get connectionState(): "new" | "closed" | "disconnected" | "connected" | "failed" | "connecting"

Defined in: node_modules/werift/lib/webrtc/src/peerConnection.d.ts:47

Returns

"new" | "closed" | "disconnected" | "connected" | "failed" | "connecting"


dtlsTransports

Get Signature

get dtlsTransports(): RTCDtlsTransport[]

Defined in: node_modules/werift/lib/webrtc/src/peerConnection.d.ts:51

Returns

RTCDtlsTransport[]


extIdUriMap

Get Signature

get extIdUriMap(): object

Defined in: node_modules/werift/lib/webrtc/src/peerConnection.d.ts:55

Returns

object


iceConnectionState

Get Signature

get iceConnectionState(): "new" | "closed" | "disconnected" | "completed" | "connected" | "failed" | "checking"

Defined in: node_modules/werift/lib/webrtc/src/peerConnection.d.ts:48

Returns

"new" | "closed" | "disconnected" | "completed" | "connected" | "failed" | "checking"


iceGathererState

Get Signature

get iceGathererState(): "new" | "complete" | "gathering"

Defined in: node_modules/werift/lib/webrtc/src/peerConnection.d.ts:49

Returns

"new" | "complete" | "gathering"


iceGatheringState

Get Signature

get iceGatheringState(): "new" | "complete" | "gathering"

Defined in: node_modules/werift/lib/webrtc/src/peerConnection.d.ts:50

Returns

"new" | "complete" | "gathering"


iceGeneration

Get Signature

get iceGeneration(): number

Defined in: node_modules/werift/lib/webrtc/src/peerConnection.d.ts:58

Returns

number


iceTransports

Get Signature

get iceTransports(): RTCIceTransport[]

Defined in: node_modules/werift/lib/webrtc/src/peerConnection.d.ts:54

Returns

RTCIceTransport[]


localDescription

Get Signature

get localDescription(): RTCSessionDescription | undefined

Defined in: node_modules/werift/lib/webrtc/src/peerConnection.d.ts:59

Returns

RTCSessionDescription | undefined


remoteDescription

Get Signature

get remoteDescription(): RTCSessionDescription | undefined

Defined in: node_modules/werift/lib/webrtc/src/peerConnection.d.ts:60

Returns

RTCSessionDescription | undefined


remoteIsBundled

Get Signature

get remoteIsBundled(): GroupDescription | undefined

Defined in: node_modules/werift/lib/webrtc/src/peerConnection.d.ts:61

Returns

GroupDescription | undefined


sctpRemotePort

Get Signature

get sctpRemotePort(): number | undefined

Defined in: node_modules/werift/lib/webrtc/src/peerConnection.d.ts:53

Returns

number | undefined


sctpTransport

Get Signature

get sctpTransport(): RTCSctpTransport | undefined

Defined in: node_modules/werift/lib/webrtc/src/peerConnection.d.ts:52

Returns

RTCSctpTransport | undefined

Methods

[captureRejectionSymbol]()?

optional [captureRejectionSymbol](error, event, ...args): void

Defined in: node_modules/@types/node/events.d.ts:87

The Symbol.for('nodejs.rejection') method is called in case a promise rejection happens when emitting an event and captureRejections is enabled on the emitter. It is possible to use events.captureRejectionSymbol in place of Symbol.for('nodejs.rejection').

js
import { EventEmitter, captureRejectionSymbol } from 'node:events';

class MyClass extends EventEmitter {
  constructor() {
    super({ captureRejections: true });
  }

  [captureRejectionSymbol](err, event, ...args) {
    console.log('rejection happened for', event, 'with', err, ...args);
    this.destroy(err);
  }

  destroy(err) {
    // Tear the resource down here.
  }
}

Parameters

error

Error

event

string | symbol

args

...any[]

Returns

void

Since

v13.4.0, v12.16.0

Inherited from

EventTarget.[captureRejectionSymbol]


addIceCandidate()

addIceCandidate(candidateMessage): Promise<void>

Defined in: node_modules/werift/lib/webrtc/src/peerConnection.d.ts:91

Parameters

candidateMessage

RTCIceCandidate | RTCIceCandidateInit

Returns

Promise<void>


addListener()

addListener<E>(eventName, listener): this

Defined in: node_modules/@types/node/events.d.ts:92

Alias for emitter.on(eventName, listener).

Type Parameters

E

E extends string | symbol

Parameters

eventName

string | symbol

listener

(...args) => void

Returns

this

Since

v0.1.26

Inherited from

EventTarget.addListener


addTrack()

addTrack(track, ms?): RTCRtpSender

Defined in: node_modules/werift/lib/webrtc/src/peerConnection.d.ts:96

Parameters

track

MediaStreamTrack

ms?

MediaStream

todo impl

Returns

RTCRtpSender


addTransceiver()

addTransceiver(trackOrKind, options?): RTCRtpTransceiver

Defined in: node_modules/werift/lib/webrtc/src/peerConnection.d.ts:95

Parameters

trackOrKind

MediaStreamTrack | Kind

options?

Partial<TransceiverOptions>

Returns

RTCRtpTransceiver


close()

close(): Promise<void>

Defined in: node_modules/werift/lib/webrtc/src/peerConnection.d.ts:104

Returns

Promise<void>


createAnswer()

createAnswer(): Promise<RTCSessionDescription>

Defined in: node_modules/werift/lib/webrtc/src/peerConnection.d.ts:99

Returns

Promise<RTCSessionDescription>


createDataChannel()

createDataChannel(label, options?): RTCDataChannel

Defined in: node_modules/werift/lib/webrtc/src/peerConnection.d.ts:75

Parameters

label

string

options?

Partial<{ id?: number; maxPacketLifeTime?: number; maxRetransmits?: number; negotiated: boolean; ordered: boolean; protocol: string; }>

Returns

RTCDataChannel


createOffer()

createOffer(__namedParameters?): Promise<RTCSessionDescription>

Defined in: node_modules/werift/lib/webrtc/src/peerConnection.d.ts:71

Parameters

__namedParameters?
iceRestart?

boolean

Returns

Promise<RTCSessionDescription>


emit()

emit<E>(eventName, ...args): boolean

Defined in: node_modules/@types/node/events.d.ts:134

Synchronously calls each of the listeners registered for the event named eventName, in the order they were registered, passing the supplied arguments to each.

Returns true if the event had listeners, false otherwise.

js
import { EventEmitter } from 'node:events';
const myEmitter = new EventEmitter();

// First listener
myEmitter.on('event', function firstListener() {
  console.log('Helloooo! first listener');
});
// Second listener
myEmitter.on('event', function secondListener(arg1, arg2) {
  console.log(`event with parameters ${arg1}, ${arg2} in second listener`);
});
// Third listener
myEmitter.on('event', function thirdListener(...args) {
  const parameters = args.join(', ');
  console.log(`event with parameters ${parameters} in third listener`);
});

console.log(myEmitter.listeners('event'));

myEmitter.emit('event', 1, 2, 3, 4, 5);

// Prints:
// [
//   [Function: firstListener],
//   [Function: secondListener],
//   [Function: thirdListener]
// ]
// Helloooo! first listener
// event with parameters 1, 2 in second listener
// event with parameters 1, 2, 3, 4, 5 in third listener

Type Parameters

E

E extends string | symbol

Parameters

eventName

string | symbol

args

...any[]

Returns

boolean

Since

v0.1.26

Inherited from

EventTarget.emit


eventNames()

eventNames(): (string | symbol)[]

Defined in: node_modules/@types/node/events.d.ts:154

Returns an array listing the events for which the emitter has registered listeners.

js
import { EventEmitter } from 'node:events';

const myEE = new EventEmitter();
myEE.on('foo', () => {});
myEE.on('bar', () => {});

const sym = Symbol('symbol');
myEE.on(sym, () => {});

console.log(myEE.eventNames());
// Prints: [ 'foo', 'bar', Symbol(symbol) ]

Returns

(string | symbol)[]

Since

v6.0.0

Inherited from

EventTarget.eventNames


getConfiguration()

getConfiguration(): Required<PeerConfig>

Defined in: node_modules/werift/lib/webrtc/src/peerConnection.d.ts:70

Returns

Required<PeerConfig>


getMaxListeners()

getMaxListeners(): number

Defined in: node_modules/@types/node/events.d.ts:161

Returns the current max listener value for the EventEmitter which is either set by emitter.setMaxListeners(n) or defaults to events.defaultMaxListeners.

Returns

number

Since

v1.0.0

Inherited from

EventTarget.getMaxListeners


getReceivers()

getReceivers(): RTCRtpReceiver[]

Defined in: node_modules/werift/lib/webrtc/src/peerConnection.d.ts:68

Returns

RTCRtpReceiver[]


getSenders()

getSenders(): RTCRtpSender[]

Defined in: node_modules/werift/lib/webrtc/src/peerConnection.d.ts:67

Returns

RTCRtpSender[]


getStats()

getStats(selector?): Promise<RTCStatsReport>

Defined in: node_modules/werift/lib/webrtc/src/peerConnection.d.ts:103

Parameters

selector?

MediaStreamTrack | null

Returns

Promise<RTCStatsReport>


getTransceivers()

getTransceivers(): RTCRtpTransceiver[]

Defined in: node_modules/werift/lib/webrtc/src/peerConnection.d.ts:66

Returns

RTCRtpTransceiver[]


listenerCount()

listenerCount<E>(eventName, listener?): number

Defined in: node_modules/@types/node/events.d.ts:170

Returns the number of listeners listening for the event named eventName. If listener is provided, it will return how many times the listener is found in the list of the listeners of the event.

Type Parameters

E

E extends string | symbol

Parameters

eventName

string | symbol

The name of the event being listened for

listener?

(...args) => void

The event handler function

Returns

number

Since

v3.2.0

Inherited from

EventTarget.listenerCount


listeners()

listeners<E>(eventName): (...args) => void[]

Defined in: node_modules/@types/node/events.d.ts:186

Returns a copy of the array of listeners for the event named eventName.

js
server.on('connection', (stream) => {
  console.log('someone connected!');
});
console.log(util.inspect(server.listeners('connection')));
// Prints: [ [Function] ]

Type Parameters

E

E extends string | symbol

Parameters

eventName

string | symbol

Returns

(...args) => void[]

Since

v0.1.26

Inherited from

EventTarget.listeners


off()

off<E>(eventName, listener): this

Defined in: node_modules/@types/node/events.d.ts:191

Alias for emitter.removeListener().

Type Parameters

E

E extends string | symbol

Parameters

eventName

string | symbol

listener

(...args) => void

Returns

this

Since

v10.0.0

Inherited from

EventTarget.off


on()

on<E>(eventName, listener): this

Defined in: node_modules/@types/node/events.d.ts:225

Adds the listener function to the end of the listeners array for the event named eventName. No checks are made to see if the listener has already been added. Multiple calls passing the same combination of eventName and listener will result in the listener being added, and called, multiple times.

js
server.on('connection', (stream) => {
  console.log('someone connected!');
});

Returns a reference to the EventEmitter, so that calls can be chained.

By default, event listeners are invoked in the order they are added. The emitter.prependListener() method can be used as an alternative to add the event listener to the beginning of the listeners array.

js
import { EventEmitter } from 'node:events';
const myEE = new EventEmitter();
myEE.on('foo', () => console.log('a'));
myEE.prependListener('foo', () => console.log('b'));
myEE.emit('foo');
// Prints:
//   b
//   a

Type Parameters

E

E extends string | symbol

Parameters

eventName

string | symbol

The name of the event.

listener

(...args) => void

The callback function

Returns

this

Since

v0.1.101

Inherited from

EventTarget.on


once()

once<E>(eventName, listener): this

Defined in: node_modules/@types/node/events.d.ts:256

Adds a one-time listener function for the event named eventName. The next time eventName is triggered, this listener is removed and then invoked.

js
server.once('connection', (stream) => {
  console.log('Ah, we have our first user!');
});

Returns a reference to the EventEmitter, so that calls can be chained.

By default, event listeners are invoked in the order they are added. The emitter.prependOnceListener() method can be used as an alternative to add the event listener to the beginning of the listeners array.

js
import { EventEmitter } from 'node:events';
const myEE = new EventEmitter();
myEE.once('foo', () => console.log('a'));
myEE.prependOnceListener('foo', () => console.log('b'));
myEE.emit('foo');
// Prints:
//   b
//   a

Type Parameters

E

E extends string | symbol

Parameters

eventName

string | symbol

The name of the event.

listener

(...args) => void

The callback function

Returns

this

Since

v0.3.0

Inherited from

EventTarget.once


prependListener()

prependListener<E>(eventName, listener): this

Defined in: node_modules/@types/node/events.d.ts:275

Adds the listener function to the beginning of the listeners array for the event named eventName. No checks are made to see if the listener has already been added. Multiple calls passing the same combination of eventName and listener will result in the listener being added, and called, multiple times.

js
server.prependListener('connection', (stream) => {
  console.log('someone connected!');
});

Returns a reference to the EventEmitter, so that calls can be chained.

Type Parameters

E

E extends string | symbol

Parameters

eventName

string | symbol

The name of the event.

listener

(...args) => void

The callback function

Returns

this

Since

v6.0.0

Inherited from

EventTarget.prependListener


prependOnceListener()

prependOnceListener<E>(eventName, listener): this

Defined in: node_modules/@types/node/events.d.ts:292

Adds a one-time listener function for the event named eventName to the beginning of the listeners array. The next time eventName is triggered, this listener is removed, and then invoked.

js
server.prependOnceListener('connection', (stream) => {
  console.log('Ah, we have our first user!');
});

Returns a reference to the EventEmitter, so that calls can be chained.

Type Parameters

E

E extends string | symbol

Parameters

eventName

string | symbol

The name of the event.

listener

(...args) => void

The callback function

Returns

this

Since

v6.0.0

Inherited from

EventTarget.prependOnceListener


rawListeners()

rawListeners<E>(eventName): (...args) => void[]

Defined in: node_modules/@types/node/events.d.ts:326

Returns a copy of the array of listeners for the event named eventName, including any wrappers (such as those created by .once()).

js
import { EventEmitter } from 'node:events';
const emitter = new EventEmitter();
emitter.once('log', () => console.log('log once'));

// Returns a new Array with a function `onceWrapper` which has a property
// `listener` which contains the original listener bound above
const listeners = emitter.rawListeners('log');
const logFnWrapper = listeners[0];

// Logs "log once" to the console and does not unbind the `once` event
logFnWrapper.listener();

// Logs "log once" to the console and removes the listener
logFnWrapper();

emitter.on('log', () => console.log('log persistently'));
// Will return a new Array with a single function bound by `.on()` above
const newListeners = emitter.rawListeners('log');

// Logs "log persistently" twice
newListeners[0]();
emitter.emit('log');

Type Parameters

E

E extends string | symbol

Parameters

eventName

string | symbol

Returns

(...args) => void[]

Since

v9.4.0

Inherited from

EventTarget.rawListeners


removeAllListeners()

removeAllListeners<E>(eventName?): this

Defined in: node_modules/@types/node/events.d.ts:338

Removes all listeners, or those of the specified eventName.

It is bad practice to remove listeners added elsewhere in the code, particularly when the EventEmitter instance was created by some other component or module (e.g. sockets or file streams).

Returns a reference to the EventEmitter, so that calls can be chained.

Type Parameters

E

E extends string | symbol

Parameters

eventName?

string | symbol

Returns

this

Since

v0.1.26

Inherited from

EventTarget.removeAllListeners


removeListener()

removeListener<E>(eventName, listener): this

Defined in: node_modules/@types/node/events.d.ts:425

Removes the specified listener from the listener array for the event named eventName.

js
const callback = (stream) => {
  console.log('someone connected!');
};
server.on('connection', callback);
// ...
server.removeListener('connection', callback);

removeListener() will remove, at most, one instance of a listener from the listener array. If any single listener has been added multiple times to the listener array for the specified eventName, then removeListener() must be called multiple times to remove each instance.

Once an event is emitted, all listeners attached to it at the time of emitting are called in order. This implies that any removeListener() or removeAllListeners() calls after emitting and before the last listener finishes execution will not remove them from emit() in progress. Subsequent events behave as expected.

js
import { EventEmitter } from 'node:events';
class MyEmitter extends EventEmitter {}
const myEmitter = new MyEmitter();

const callbackA = () => {
  console.log('A');
  myEmitter.removeListener('event', callbackB);
};

const callbackB = () => {
  console.log('B');
};

myEmitter.on('event', callbackA);

myEmitter.on('event', callbackB);

// callbackA removes listener callbackB but it will still be called.
// Internal listener array at time of emit [callbackA, callbackB]
myEmitter.emit('event');
// Prints:
//   A
//   B

// callbackB is now removed.
// Internal listener array [callbackA]
myEmitter.emit('event');
// Prints:
//   A

Because listeners are managed using an internal array, calling this will change the position indexes of any listener registered after the listener being removed. This will not impact the order in which listeners are called, but it means that any copies of the listener array as returned by the emitter.listeners() method will need to be recreated.

When a single function has been added as a handler multiple times for a single event (as in the example below), removeListener() will remove the most recently added instance. In the example the once('ping') listener is removed:

js
import { EventEmitter } from 'node:events';
const ee = new EventEmitter();

function pong() {
  console.log('pong');
}

ee.on('ping', pong);
ee.once('ping', pong);
ee.removeListener('ping', pong);

ee.emit('ping');
ee.emit('ping');

Returns a reference to the EventEmitter, so that calls can be chained.

Type Parameters

E

E extends string | symbol

Parameters

eventName

string | symbol

listener

(...args) => void

Returns

this

Since

v0.1.26

Inherited from

EventTarget.removeListener


removeTrack()

removeTrack(sender): void

Defined in: node_modules/werift/lib/webrtc/src/peerConnection.d.ts:83

Parameters

sender

RTCRtpSender

Returns

void


restartIce()

restartIce(): void

Defined in: node_modules/werift/lib/webrtc/src/peerConnection.d.ts:93

Returns

void


setConfiguration()

setConfiguration(config): void

Defined in: node_modules/werift/lib/webrtc/src/peerConnection.d.ts:69

Parameters

config

Partial<PeerConfig>

Returns

void


setLocalDescription()

setLocalDescription(sessionDescription?): Promise<SessionDescription>

Defined in: node_modules/werift/lib/webrtc/src/peerConnection.d.ts:86

Parameters

sessionDescription?
sdp

string

type

"offer" | "answer"

Returns

Promise<SessionDescription>


setMaxListeners()

setMaxListeners(n): this

Defined in: node_modules/@types/node/events.d.ts:436

By default EventEmitters will print a warning if more than 10 listeners are added for a particular event. This is a useful default that helps finding memory leaks. The emitter.setMaxListeners() method allows the limit to be modified for this specific EventEmitter instance. The value can be set to Infinity (or 0) to indicate an unlimited number of listeners.

Returns a reference to the EventEmitter, so that calls can be chained.

Parameters

n

number

Returns

this

Since

v0.3.5

Inherited from

EventTarget.setMaxListeners


setRemoteDescription()

setRemoteDescription(sessionDescription): Promise<void>

Defined in: node_modules/werift/lib/webrtc/src/peerConnection.d.ts:94

Parameters

sessionDescription

RTCSessionDescriptionInit

Returns

Promise<void>