@techteamer/janus-api
Version:
Janus WebRTC-Gateway API
97 lines (96 loc) • 3.7 kB
JavaScript
import JanusPlugin from '../JanusPlugin.js';
import SdpHelper from '../SdpHelper.js';
class VideoCallPlugin extends JanusPlugin {
constructor(display, logger, filterDirectCandidates = false) {
super(logger);
this.display = display;
this.pluginName = 'janus.plugin.videocall';
this.filterDirectCandidates = !!filterDirectCandidates;
this.sdpHelper = new SdpHelper(this.logger);
}
/**
* registered user list
*/
onlineList() {
const body = { request: 'list' };
return this.transaction('message', { body }, 'event').then(data => {
if (data.result && data.result.list) {
return data.result.list;
}
return [];
});
}
register() {
const body = { request: 'register', username: this.display };
return this.transaction('message', { body }, 'event').catch(err => {
this.logger.error('VideoCallPlugin cant register', err);
throw err;
});
}
doCall(jsep, callId) {
const body = { request: 'call', username: callId };
return this.transaction('message', { body, jsep }, 'event').catch(err => {
this.logger.error('VideoCallPlugin cant call', err);
throw err;
});
}
doAnswer(jsep) {
const body = { request: 'accept' };
return this.transaction('message', { body, jsep }, 'event').catch(err => {
this.logger.error('VideoCallPlugin cant accept', err);
throw err;
});
}
/**
* @see https://janus.conf.meetecho.com/docs/videocall.html
* @param {Object} set
* - "audio" : true|false,
* - "video" : true|false,
* - "bitrate" : <numeric bitrate value>,
* - "record" : true|false,
* - "filename" : <base path/filename to use for the recording>,
* - "substream" : <substream to receive (0-2), in case simulcasting is enabled>,
* - "temporal" : <temporal layers to receive (0-2), in case simulcasting is enabled>,
* - "fallback" : <How much time (in us, default 250000) without receiving packets will make us drop to the substream below>
*/
configure(set) {
const request = { request: 'set' };
const body = Object.assign({}, request, set);
return this.transaction('message', { body }, 'event');
}
hangup() {
super.hangup();
this.janus.destroyPlugin(this).catch(err => {
this.logger.error('VideoRoomListenerJanusPlugin, destroyPlugin error in hangup', err);
});
}
onmessage(data, json) {
const { videocall } = data || {};
if (!data || !videocall) {
this.logger.error('VideoCallJanusPlugin got unknown message', json);
return;
}
if (videocall === 'event' && data.result && data.result.event) {
const event = data.result.event;
if (event === 'accepted') {
const { jsep } = json || {};
this.emit('accepted', data.result.username, jsep);
}
else if (event === 'hangup') {
// do from super
}
else if (event === 'incomingcall') {
const { jsep } = json || {};
this.emit('incomingcall', data.result.username, jsep);
}
else if (event === 'slow_link') {
this.logger.debug('VideoCallJanusPlugin got slow_link', data);
this.slowLink();
}
else {
this.logger.error('VideoCallJanusPlugin got unknown event', json);
}
}
}
}
export default VideoCallPlugin;