70 lines
2.6 KiB
TypeScript
70 lines
2.6 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 {SDPStreamMetadataPurpose} from "./callEventTypes";
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import {Track, AudioTrack, TrackType} from "../../platform/types/MediaDevices";
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import {SDPStreamMetadata} from "./callEventTypes";
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export class LocalMedia {
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constructor(
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public readonly cameraTrack?: Track,
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public readonly screenShareTrack?: Track,
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public readonly microphoneTrack?: AudioTrack
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) {}
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withTracks(tracks: Track[]) {
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const cameraTrack = tracks.find(t => t.type === TrackType.Camera) ?? this.cameraTrack;
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const screenShareTrack = tracks.find(t => t.type === TrackType.ScreenShare) ?? this.screenShareTrack;
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const microphoneTrack = tracks.find(t => t.type === TrackType.Microphone) ?? this.microphoneTrack;
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if (cameraTrack && microphoneTrack && cameraTrack.streamId !== microphoneTrack.streamId) {
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throw new Error("The camera and audio track should have the same stream id");
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}
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return new LocalMedia(cameraTrack, screenShareTrack, microphoneTrack as AudioTrack);
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}
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get tracks(): Track[] {
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const tracks: Track[] = [];
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if (this.cameraTrack) { tracks.push(this.cameraTrack); }
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if (this.screenShareTrack) { tracks.push(this.screenShareTrack); }
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if (this.microphoneTrack) { tracks.push(this.microphoneTrack); }
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return tracks;
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}
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getSDPMetadata(): SDPStreamMetadata {
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const metadata = {};
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const userMediaTrack = this.microphoneTrack ?? this.cameraTrack;
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if (userMediaTrack) {
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metadata[userMediaTrack.streamId] = {
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purpose: SDPStreamMetadataPurpose.Usermedia,
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audio_muted: this.microphoneTrack?.muted ?? false,
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video_muted: this.cameraTrack?.muted ?? false,
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};
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}
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if (this.screenShareTrack) {
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metadata[this.screenShareTrack.streamId] = {
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purpose: SDPStreamMetadataPurpose.Screenshare
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};
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}
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return metadata;
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}
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dispose() {
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this.cameraTrack?.stop();
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this.microphoneTrack?.stop();
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this.screenShareTrack?.stop();
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}
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}
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