@techteamer/janus-api/dist/mjs/src/plugin/EchoJanusPlugin.js

Janus WebRTC-Gateway API

import JanusPlugin from '../JanusPlugin.js';
import SdpHelper from '../SdpHelper.js';
class EchoJanusPlugin extends JanusPlugin {
    constructor(logger, filterDirectCandidates = false) {
        super(logger);
        this.filterDirectCandidates = !!filterDirectCandidates;
        this.janusEchoBody = { audio: true, video: true };
        this.pluginName = 'janus.plugin.echotest';
        this.sdpHelper = new SdpHelper(this.logger);
    }
    mute(isMuted = false) {
        return this.transaction('message', { audio: !isMuted }, 'success').catch((err) => {
            this.logger.error('EchoJanusPlugin, cannot mute', err);
            throw err;
        });
    }
    connect() {
        return this.transaction('message', { body: this.janusEchoBody }, 'event').catch((err) => {
            this.logger.error('EchoJanusPlugin error during connect', err);
            throw err;
        });
    }
    onmessage(data, json) {
        if (data && data.echotest === 'event' && data.result === 'done') {
            // okay, so the echo test has ended
            this.janus.destroyPlugin(this).catch((err) => {
                this.logger.error('EchoJanusPlugin, destroyPlugin error in onmessage', err);
            });
        }
        else {
            this.logger.error('EchoJanusPlugin got unknown message', data, json);
        }
    }
    consume(data) {
        if (data.type === 'message') {
            const sendData = { jsep: data.message.jsep, body: this.janusEchoBody };
            return this.transaction('message', sendData, 'event').then((ret) => {
                const { json } = ret;
                if (!json || !json.jsep) {
                    this.logger.error('EchoJanusPlugin, no jsep in the transaction reply', ret);
                    return;
                }
                const jsep = json.jsep;
                if (this.filterDirectCandidates && jsep.sdp) {
                    jsep.sdp = this.sdpHelper.filterDirectCandidates(jsep.sdp);
                }
                this.emit('jsep', jsep);
            }).catch((err) => {
                this.logger.error('EchoJanusPlugin, message error in consume', err);
                throw err;
            });
        }
        else if (data.type === 'candidate') {
            if (this.filterDirectCandidates && data.message.candidate && this.sdpHelper.isDirectCandidate(data.message.candidate)) {
                return Promise.resolve();
            }
            return this.transaction('trickle', { candidate: data.message }).catch((err) => {
                this.logger.error('EchoJanusPlugin, candidate error in consume', err);
                throw err;
            });
        }
        else {
            this.logger.error('EchoTransportSession unknown data type', data);
            return Promise.reject(new Error('EchoTransportSession unknown data type'));
        }
    }
}
export default EchoJanusPlugin;