82 lines
2.9 KiB
TypeScript
82 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 {SDPStreamMetadataPurpose} from "./callEventTypes";
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import {Stream} from "../../platform/types/MediaDevices";
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import {SDPStreamMetadata} from "./callEventTypes";
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import {getStreamVideoTrack, getStreamAudioTrack} from "./common";
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export class LocalMedia {
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constructor(
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public readonly userMedia?: Stream,
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public readonly screenShare?: Stream,
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public readonly dataChannelOptions?: RTCDataChannelInit,
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) {}
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withUserMedia(stream: Stream) {
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return new LocalMedia(stream, this.screenShare, this.dataChannelOptions);
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}
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withScreenShare(stream: Stream) {
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return new LocalMedia(this.userMedia, stream, this.dataChannelOptions);
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}
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withDataChannel(options: RTCDataChannelInit): LocalMedia {
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return new LocalMedia(this.userMedia, this.screenShare, options);
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}
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/** @internal */
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replaceClone(oldClone: LocalMedia | undefined, oldOriginal: LocalMedia | undefined): LocalMedia {
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let userMedia;
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let screenShare;
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const cloneOrAdoptStream = (oldOriginalStream: Stream | undefined, oldCloneStream: Stream | undefined, newStream: Stream | undefined): Stream | undefined => {
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let stream;
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if (oldOriginalStream?.id === newStream?.id) {
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stream = oldCloneStream;
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} else {
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stream = newStream?.clone();
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getStreamAudioTrack(oldCloneStream)?.stop();
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getStreamVideoTrack(oldCloneStream)?.stop();
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}
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return stream;
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}
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return new LocalMedia(
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cloneOrAdoptStream(oldOriginal?.userMedia, oldClone?.userMedia, this.userMedia),
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cloneOrAdoptStream(oldOriginal?.screenShare, oldClone?.screenShare, this.screenShare),
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this.dataChannelOptions
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);
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}
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/** @internal */
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clone(): LocalMedia {
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return new LocalMedia(this.userMedia?.clone(),this.screenShare?.clone(), this.dataChannelOptions);
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}
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dispose() {
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this.stopExcept(undefined);
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}
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stopExcept(newMedia: LocalMedia | undefined) {
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if(newMedia?.userMedia?.id !== this.userMedia?.id) {
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getStreamAudioTrack(this.userMedia)?.stop();
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getStreamVideoTrack(this.userMedia)?.stop();
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}
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if(newMedia?.screenShare?.id !== this.screenShare?.id) {
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getStreamVideoTrack(this.screenShare)?.stop();
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}
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}
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}
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