ambiser
/
openvidu
mirror of https://github.com/OpenVidu/openvidu.git
8
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

openvidu-browser: Publiser.replaceTrack may be used without publishing to Session

pull/419/head
pabloFuente 2020-04-01 17:48:22 +02:00
parent 8eb4ce6610
commit 9dcd8d73ae
1 changed files with 37 additions and 25 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

32
openvidu-browser/src/OpenVidu/Publisher.ts
View File

@ -290,7 +290,23 @@ export class Publisher extends StreamManager {
* @returns A Promise (to which you can optionally subscribe to) that is resolved if the track was successfully replaced and rejected with an Error object in other case * @returns A Promise (to which you can optionally subscribe to) that is resolved if the track was successfully replaced and rejected with an Error object in other case
*/ */
replaceTrack(track: MediaStreamTrack): Promise<any> { replaceTrack(track: MediaStreamTrack): Promise<any> {
const replaceMediaStreamTrack = () => {
const mediaStream: MediaStream = this.stream.displayMyRemote() ? this.stream.localMediaStreamWhenSubscribedToRemote : this.stream.getMediaStream();
let removedTrack: MediaStreamTrack;
if (track.kind === 'video') {
removedTrack = mediaStream.getVideoTracks()[0];
} else {
removedTrack = mediaStream.getAudioTracks()[0];
}
mediaStream.removeTrack(removedTrack);
removedTrack.stop();
mediaStream.addTrack(track);
}
return new Promise((resolve, reject) => { return new Promise((resolve, reject) => {
if (this.stream.isLocalStreamPublished) {
// Only if the Publisher has been published is necessary to call native Web API RTCRtpSender.replaceTrack
const senders: RTCRtpSender[] = this.stream.getRTCPeerConnection().getSenders(); const senders: RTCRtpSender[] = this.stream.getRTCPeerConnection().getSenders();
let sender: RTCRtpSender | undefined; let sender: RTCRtpSender | undefined;
if (track.kind === 'video') { if (track.kind === 'video') {
@ -307,20 +323,16 @@ export class Publisher extends StreamManager {
reject(new Error('Unknown track kind ' + track.kind)); reject(new Error('Unknown track kind ' + track.kind));
} }
(<any>sender).replaceTrack(track).then(() => { (<any>sender).replaceTrack(track).then(() => {
const mediaStream: MediaStream = this.stream.displayMyRemote() ? this.stream.localMediaStreamWhenSubscribedToRemote : this.stream.getMediaStream(); replaceMediaStreamTrack();
let removedTrack: MediaStreamTrack;
if (track.kind === 'video') {
removedTrack = mediaStream.getVideoTracks()[0];
} else {
removedTrack = mediaStream.getAudioTracks()[0];
}
mediaStream.removeTrack(removedTrack);
removedTrack.stop();
mediaStream.addTrack(track);
resolve(); resolve();
}).catch(error => { }).catch(error => {
reject(error); reject(error);
}); });
} else {
// Publisher not published. Simply modify local MediaStream tracks
replaceMediaStreamTrack();
resolve();
}
}); });
} }