@openreplay/tracker-assist
Version:
Tracker plugin for screen assistance through the WebRTC
73 lines (72 loc) • 2.31 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.default = RequestLocalStream;
function RequestLocalStream(pc, toggleVideoCb) {
return navigator.mediaDevices
.getUserMedia({ audio: true, video: false })
.then((stream) => {
const aTrack = stream.getAudioTracks()[0];
if (!aTrack) {
throw new Error("No audio tracks provided");
}
stream.getTracks().forEach((track) => {
pc.addTrack(track, stream);
});
return new _LocalStream(stream, pc, toggleVideoCb);
});
}
class _LocalStream {
constructor(stream, pc, toggleVideoCb) {
this.mediaRequested = false;
this.onVideoTrackCb = null;
this.stream = stream;
this.pc = pc;
this.toggleVideoCb = toggleVideoCb;
}
toggleVideo() {
const videoTracks = this.stream.getVideoTracks();
if (!this.mediaRequested) {
return navigator.mediaDevices
.getUserMedia({ video: true })
.then((vStream) => {
const vTrack = vStream.getVideoTracks()[0];
if (!vTrack) {
throw new Error("No video track provided");
}
this.pc.addTrack(vTrack, this.stream);
this.stream.addTrack(vTrack);
if (this.toggleVideoCb) {
this.toggleVideoCb();
}
this.mediaRequested = true;
if (this.onVideoTrackCb) {
this.onVideoTrackCb(vTrack);
}
return true;
})
.catch((e) => {
// TODO: log
return false;
});
}
else {
videoTracks.forEach((track) => {
track.enabled = !track.enabled;
});
}
return Promise.resolve(videoTracks[0].enabled);
}
toggleAudio() {
let enabled = true;
this.stream.getAudioTracks().forEach((track) => {
track.enabled = enabled = enabled && !track.enabled;
});
return enabled;
}
onVideoTrack(cb) {
this.onVideoTrackCb = cb;
}
stop() {
this.stream.getTracks().forEach((t) => t.stop());
}
}