77 lines
2.9 KiB
TypeScript
77 lines
2.9 KiB
TypeScript
/*
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Copyright 2022 The Matrix.org Foundation C.I.C.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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import {Track, Stream} from "./MediaDevices";
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import {SDPStreamMetadataPurpose} from "../../matrix/calls/callEventTypes";
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export interface WebRTC {
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createPeerConnection(handler: PeerConnectionHandler, forceTURN: boolean, turnServers: RTCIceServer[], iceCandidatePoolSize): PeerConnection;
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}
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export interface StreamSender {
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get stream(): Stream;
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get audioSender(): TrackSender | undefined;
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get videoSender(): TrackSender | undefined;
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}
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export interface StreamReceiver {
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get stream(): Stream;
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get audioReceiver(): TrackReceiver | undefined;
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get videoReceiver(): TrackReceiver | undefined;
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}
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export interface TrackReceiver {
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get track(): Track;
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get enabled(): boolean;
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enable(enabled: boolean); // this modifies the transceiver direction
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}
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export interface TrackSender extends TrackReceiver {
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/** replaces the track if possible without renegotiation. Can throw. */
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replaceTrack(track: Track): Promise<void>;
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/** make any needed adjustments to the sender or transceiver settings
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* depending on the purpose, after adding the track to the connection */
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prepareForPurpose(purpose: SDPStreamMetadataPurpose): void;
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}
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export interface PeerConnectionHandler {
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onIceConnectionStateChange(state: RTCIceConnectionState);
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onLocalIceCandidate(candidate: RTCIceCandidate);
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onIceGatheringStateChange(state: RTCIceGatheringState);
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onRemoteStreamRemoved(stream: Stream);
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onRemoteTracksAdded(receiver: TrackReceiver);
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onRemoteDataChannel(dataChannel: any | undefined);
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onNegotiationNeeded();
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}
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export interface PeerConnection {
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get iceGatheringState(): RTCIceGatheringState;
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get signalingState(): RTCSignalingState;
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get localDescription(): RTCSessionDescription | undefined;
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get localStreams(): ReadonlyArray<StreamSender>;
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get remoteStreams(): ReadonlyArray<StreamReceiver>;
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createOffer(): Promise<RTCSessionDescriptionInit>;
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createAnswer(): Promise<RTCSessionDescriptionInit>;
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setLocalDescription(description?: RTCSessionDescriptionInit): Promise<void>;
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setRemoteDescription(description: RTCSessionDescriptionInit): Promise<void>;
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addIceCandidate(candidate: RTCIceCandidate): Promise<void>;
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addTrack(track: Track): TrackSender | undefined;
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removeTrack(track: TrackSender): void;
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createDataChannel(options: RTCDataChannelInit): any;
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dispose(): void;
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close(): void;
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}
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