[**Red5 Pro WebRTC SDK v15.2.0**](../README.md) *** [Red5 Pro WebRTC SDK](../globals.md) / WHEPClient # Class: WHEPClient WHEP-based Subscriber. The `WHEPClient` - under the hood - is based on the [WebRTC-HTTP egress](https://www.ietf.org/archive/id/draft-ietf-wish-whep-03.html)(WHEP) protocol providing the ability to negotation and establish a connection using HTTP/S requests. This removes the requirement for a WebSocket, which historically has been used for the role of negotiation and connection. This provides a standardized - and _blazingly fast_ - way to establish and playback a live stream using WebRTC. ## Extends - [`PlaybackController`](PlaybackController.md) ## Extended by - [`LiveSeekClient`](LiveSeekClient.md) ## Constructors ### Constructor > **new WHEPClient**(`url?`, `element?`, `additionalOptions?`): `WHEPClient` Constructor for the WHEP-based Subscriber. #### Parameters ##### url? `string` Optional WHEP endpoint URL for the live stream. ##### element? `HTMLMediaElement` Optional HTMLMediaElement to use for live stream playback. ##### additionalOptions? [`RTCWhepSubscriberConfigType`](../type-aliases/RTCWhepSubscriberConfigType.md) Optional RTCWhepSubscriberConfigType to use for configuration. #### Returns `WHEPClient` #### Overrides [`PlaybackController`](PlaybackController.md).[`constructor`](PlaybackController.md#constructor) ## Accessors ### options #### Get Signature > **get** **options**(): `undefined` \| [`RTCWhepSubscriberConfigType`](../type-aliases/RTCWhepSubscriberConfigType.md) Get the options for the WHEP-based Subscriber. ##### Returns `undefined` \| [`RTCWhepSubscriberConfigType`](../type-aliases/RTCWhepSubscriberConfigType.md) ## Methods ### callServer() > **callServer**(`methodName`, `args`): `Promise`\<`any`\> Call a method on the Red5 Pro Server over the message transport (DataChannel). #### Parameters ##### methodName `string` The method name to call. ##### args `any` The arguments to call the method with. #### Returns `Promise`\<`any`\> *** ### disableStandby() > **disableStandby**(): `void` Disable standby mode for the WHEP-based Subscriber. This will signal to the server to resume audio and video. #### Returns `void` *** ### emit() > **emit**(`type`, `data`): `void` Emit an event on the WHEP-based Subscriber. #### Parameters ##### type `string` The type of event to emit. ##### data `any` The data to emit. #### Returns `void` *** ### enableStandby() > **enableStandby**(): `void` Enable standby mode for the WHEP-based Subscriber. This will signal to the server to hold back audio and video. #### Returns `void` *** ### getDataChannel() > **getDataChannel**(): `undefined` \| `RTCDataChannel` Get the data channel for the WHEP-based Subscriber. #### Returns `undefined` \| `RTCDataChannel` *** ### getMediaStream() > **getMediaStream**(): `undefined` \| `MediaStream` Get the media stream being played back by the subscriber. #### Returns `undefined` \| `MediaStream` *** ### getMessageTransport() > **getMessageTransport**(): `undefined` \| `MessageTransport` Get the message transport for the WHEP-based Subscriber. #### Returns `undefined` \| `MessageTransport` *** ### getOptions() > **getOptions**(): `undefined` \| [`RTCWhepSubscriberConfigType`](../type-aliases/RTCWhepSubscriberConfigType.md) Get the options for the WHEP-based Subscriber. #### Returns `undefined` \| [`RTCWhepSubscriberConfigType`](../type-aliases/RTCWhepSubscriberConfigType.md) *** ### getPeerConnection() > **getPeerConnection**(): `undefined` \| `RTCPeerConnection` Get the peer connection for the WHEP-based Subscriber. #### Returns `undefined` \| `RTCPeerConnection` *** ### getPlayer() > **getPlayer**(): `undefined` \| `HTMLMediaElement` Get the media element for the WHEP-based Subscriber. #### Returns `undefined` \| `HTMLMediaElement` *** ### getPubNubClient() > **getPubNubClient**(): `undefined` \| [`PubNubClient`](PubNubClient.md) Get the PubNub client for the WHEP-based Subscriber. #### Returns `undefined` \| [`PubNubClient`](PubNubClient.md) *** ### getType() > **getType**(): `string` Get the type of the WHEP-based Subscriber (RTC). #### Returns `string` *** ### getVolume() > **getVolume**(): `number` Get the volume of the media being delivered to the subscriber. #### Returns `number` #### Overrides [`PlaybackController`](PlaybackController.md).[`getVolume`](PlaybackController.md#getvolume) *** ### init() > **init**(`options`): `Promise`\<`WHEPClient`\> Initialize the WHEP-based Subscriber. #### Parameters ##### options [`RTCWhepSubscriberConfigType`](../type-aliases/RTCWhepSubscriberConfigType.md) RTCWhepSubscriberConfigType to use for configuration. #### Returns `Promise`\<`WHEPClient`\> *** ### monitorStats() > **monitorStats**(`stats?`, `renegotiationPolicy?`): `WHEPClient` Monitor the statistics of the media being delivered to the subscriber over the underlying RTCPeerConnection. #### Parameters ##### stats? [`StatsConfig`](../type-aliases/StatsConfig.md) The statistics configuration. ##### renegotiationPolicy? `RenegotiationPolicyType` The renegotiation policy configuration. #### Returns `WHEPClient` *** ### mute() > **mute**(): `void` Mute the audio playback on the media being delivered to the subscriber. #### Returns `void` #### Overrides [`PlaybackController`](PlaybackController.md).[`mute`](PlaybackController.md#mute) *** ### muteAudio() > **muteAudio**(): `void` Mute the audio being delivered to the subscriber. #### Returns `void` *** ### muteVideo() > **muteVideo**(): `void` Mute the video being delivered to the subscriber. #### Returns `void` *** ### off() > **off**(`type`, `fn`): `void` Remove an event listener from the WHEP-based Subscriber. #### Parameters ##### type `string` The type of event to listen for. ##### fn (`event`) => `void` The function to call when the event is triggered. #### Returns `void` #### Overrides [`PlaybackController`](PlaybackController.md).[`off`](PlaybackController.md#off) *** ### on() > **on**(`type`, `fn`): `void` Add an event listener to the WHEP-based Subscriber. #### Parameters ##### type `string` The type of event to listen for. ##### fn (`event`) => `void` The function to call when the event is triggered. #### Returns `void` #### Overrides [`PlaybackController`](PlaybackController.md).[`on`](PlaybackController.md#on) *** ### pause() > **pause**(): `void` Pause the media being delivered to the subscriber. #### Returns `void` #### Overrides [`PlaybackController`](PlaybackController.md).[`pause`](PlaybackController.md#pause) *** ### play() > **play**(): `void` Play the media being delivered to the subscriber. #### Returns `void` #### Overrides [`PlaybackController`](PlaybackController.md).[`play`](PlaybackController.md#play) *** ### resume() > **resume**(): `void` Resume the media being delivered to the subscriber. #### Returns `void` #### Overrides [`PlaybackController`](PlaybackController.md).[`resume`](PlaybackController.md#resume) *** ### seekTo() > **seekTo**(`time`): `void` Seek to a specific time in the media being delivered to the subscriber. #### Parameters ##### time `number` The time to seek to. #### Returns `void` #### Overrides [`PlaybackController`](PlaybackController.md).[`seekTo`](PlaybackController.md#seekto) *** ### send() > **send**(`methodName`, `data`): `undefined` \| `Promise`\<`boolean`\> Send a message to the Red5 Pro Server over the message transport (DataChannel). #### Parameters ##### methodName `string` The method name to send. ##### data `any` The data to send. #### Returns `undefined` \| `Promise`\<`boolean`\> *** ### sendLog() > **sendLog**(`level`, `message`): `void` Send a log message to the Red5 Pro Server over the message transport (DataChannel). #### Parameters ##### level `string` The level of the log message. ##### message `any` The message to send. #### Returns `void` *** ### sendPubNub() > **sendPubNub**(`channel`, `message`): `Promise`\<`boolean`\> Send a message to the PubNub channel. #### Parameters ##### channel `string` The channel to send the message to. ##### message `any` The message to send. #### Returns `Promise`\<`boolean`\> *** ### setVolume() > **setVolume**(`value`): `void` Set the volume of the media being delivered to the subscriber. #### Parameters ##### value `number` The volume to set. #### Returns `void` #### Overrides [`PlaybackController`](PlaybackController.md).[`setVolume`](PlaybackController.md#setvolume) *** ### stop() > **stop**(): `void` Stop the media being delivered to the subscriber. #### Returns `void` #### Overrides [`PlaybackController`](PlaybackController.md).[`stop`](PlaybackController.md#stop) *** ### subscribe() > **subscribe**(): `Promise`\<`WHEPClient`\> Subscribe to the WHEP-based Subscriber. #### Returns `Promise`\<`WHEPClient`\> *** ### subscribePubNub() > **subscribePubNub**(`channel`, `options`): `Promise`\<`boolean`\> Subscribe to a PubNub channel. #### Parameters ##### channel `string` The channel to subscribe to. ##### options `any` The options to use for subscription. #### Returns `Promise`\<`boolean`\> *** ### toggleFullScreen() > **toggleFullScreen**(): `void` Toggle the full screen mode of the media being delivered to the subscriber. #### Returns `void` #### Overrides [`PlaybackController`](PlaybackController.md).[`toggleFullScreen`](PlaybackController.md#togglefullscreen) *** ### trigger() > **trigger**(`event`): `void` Trigger an event on the WHEP-based Subscriber. #### Parameters ##### event [`Event`](Event.md) The event to trigger. #### Returns `void` #### Overrides [`PlaybackController`](PlaybackController.md).[`trigger`](PlaybackController.md#trigger) *** ### unmonitorStats() > **unmonitorStats**(): `WHEPClient` Unmonitor the statistics of the media being delivered to the subscriber over the underlying RTCPeerConnection. #### Returns `WHEPClient` *** ### unmute() > **unmute**(): `void` Unmute the audio playback on the media being delivered to the subscriber. #### Returns `void` #### Overrides [`PlaybackController`](PlaybackController.md).[`unmute`](PlaybackController.md#unmute) *** ### unmuteAudio() > **unmuteAudio**(): `void` Unmute the audio being delivered to the subscriber. #### Returns `void` *** ### unmuteVideo() > **unmuteVideo**(): `void` Unmute the video being delivered to the subscriber. #### Returns `void` *** ### unsubscribe() > **unsubscribe**(`internal`): `Promise`\<`void`\> Unsubscribe from the WHEP-based Subscriber. #### Parameters ##### internal `boolean` = `false` Optional boolean to indicate if the unsubscribe is internal. #### Returns `Promise`\<`void`\> *** ### unsubscribePubNub() > **unsubscribePubNub**(`channel`): `Promise`\<`boolean`\> Unsubscribe from a PubNub channel. #### Parameters ##### channel `string` The channel to unsubscribe from. #### Returns `Promise`\<`boolean`\>