Update 'app.js'
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app.js
598
app.js
@ -1,299 +1,301 @@
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import 'dotenv/config'
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/**
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* integrating mediasoup server with a node.js application
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*/
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/* Please follow mediasoup installation requirements */
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/* https://mediasoup.org/documentation/v3/mediasoup/installation/ */
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import express from 'express'
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const app = express()
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import https from 'httpolyglot'
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import fs from 'fs'
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import path from 'path'
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const __dirname = path.resolve()
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import Server from 'socket.io'
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import mediasoup, { getSupportedRtpCapabilities } from 'mediasoup'
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let worker
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let router = {}
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let producerTransport
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let consumerTransport
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let producer
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let consumer
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app.get('/', (_req, res) => {
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res.send('Hello from mediasoup app!')
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})
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app.use('/sfu', express.static(path.join(__dirname, 'public')))
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// SSL cert for HTTPS access
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const options = {
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key: fs.readFileSync('./server/ssl/key.pem', 'utf-8'),
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cert: fs.readFileSync('./server/ssl/cert.pem', 'utf-8')
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}
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const httpsServer = https.createServer(options, app)
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httpsServer.listen(process.env.PORT, () => {
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console.log('Listening on port:', process.env.PORT)
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})
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const io = new Server(httpsServer)
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// socket.io namespace (could represent a room?)
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const peers = io.of('/mediasoup')
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/**
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* Worker
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* |-> Router(s)
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* |-> Producer Transport(s)
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* |-> Producer
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* |-> Consumer Transport(s)
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* |-> Consumer
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**/
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const createWorker = async () => {
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worker = await mediasoup.createWorker({
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rtcMinPort: 2000,
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rtcMaxPort: 2020,
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})
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console.log(`[createWorker] worker pid ${worker.pid}`)
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worker.on('died', error => {
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// This implies something serious happened, so kill the application
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console.error('mediasoup worker has died', error)
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setTimeout(() => process.exit(1), 2000) // exit in 2 seconds
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})
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return worker
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}
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// We create a Worker as soon as our application starts
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worker = createWorker()
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// This is an Array of RtpCapabilities
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// https://mediasoup.org/documentation/v3/mediasoup/rtp-parameters-and-capabilities/#RtpCodecCapability
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// list of media codecs supported by mediasoup ...
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// https://github.com/versatica/mediasoup/blob/v3/src/supportedRtpCapabilities.ts
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const mediaCodecs = [
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{
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kind: 'audio',
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mimeType: 'audio/opus',
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clockRate: 48000,
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channels: 2,
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},
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{
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kind: 'video',
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mimeType: 'video/VP8',
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clockRate: 90000,
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parameters: {
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'x-google-start-bitrate': 1000,
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},
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},
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]
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peers.on('connection', async socket => {
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console.log('[connection] socketId:', socket.id)
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socket.emit('connection-success', {
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socketId: socket.id,
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existsProducer: producer ? true : false,
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})
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socket.on('disconnect', () => {
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// do some cleanup
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console.log('peer disconnected')
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})
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socket.on('createRoom', async ({ callId }, callback) => {
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console.log('[createRoom] callId', callId);
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console.log('Router length:', Object.keys(router).length);
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if (router[callId] === undefined) {
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// worker.createRouter(options)
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// options = { mediaCodecs, appData }
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// mediaCodecs -> defined above
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// appData -> custom application data - we are not supplying any
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// none of the two are required
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router[callId] = await worker.createRouter({ mediaCodecs })
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console.log(`[createRoom] Router ID: ${router[callId].id}`)
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}
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getRtpCapabilities(callId, callback)
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})
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const getRtpCapabilities = (callId, callback) => {
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const rtpCapabilities = router[callId].rtpCapabilities
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callback({ rtpCapabilities })
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}
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// Client emits a request to create server side Transport
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// We need to differentiate between the producer and consumer transports
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socket.on('createWebRtcTransport', async ({ sender, callId }, callback) => {
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console.log(`[createWebRtcTransport] Is this a sender request? ${sender} | callId ${callId}`)
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// The client indicates if it is a producer or a consumer
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// if sender is true, indicates a producer else a consumer
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if (sender)
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producerTransport = await createWebRtcTransportLayer(callId, callback)
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else
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consumerTransport = await createWebRtcTransportLayer(callId, callback)
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})
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// see client's socket.emit('transport-connect', ...)
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socket.on('transport-connect', async ({ dtlsParameters }) => {
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console.log('[transport-connect] DTLS PARAMS... ', { dtlsParameters })
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await producerTransport.connect({ dtlsParameters })
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})
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// see client's socket.emit('transport-produce', ...)
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socket.on('transport-produce', async ({ kind, rtpParameters, appData }) => {
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// call produce based on the prameters from the client
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producer = await producerTransport.produce({
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kind,
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rtpParameters,
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})
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console.log(`[transport-produce] Producer ID: ${producer.id} | kind: ${producer.kind}`)
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producer.on('transportclose', () => {
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console.log('transport for this producer closed', callId)
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// https://mediasoup.org/documentation/v3/mediasoup/api/#producer-close
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producer.close()
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// https://mediasoup.org/documentation/v3/mediasoup/api/#router-close
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router[callId].close()
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delete router[callId]
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})
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})
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// see client's socket.emit('transport-recv-connect', ...)
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socket.on('transport-recv-connect', async ({ dtlsParameters }) => {
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console.log(`[transport-recv-connect] DTLS PARAMS: ${dtlsParameters}`)
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await consumerTransport.connect({ dtlsParameters })
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})
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socket.on('consume', async ({ rtpCapabilities, callId }, callback) => {
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try {
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// console.log('consume', rtpCapabilities, callId);
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// check if the router can consume the specified producer
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if (router[callId].canConsume({
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producerId: producer.id,
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rtpCapabilities
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})) {
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// transport can now consume and return a consumer
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consumer = await consumerTransport.consume({
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producerId: producer.id,
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rtpCapabilities,
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paused: true,
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})
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consumer.on('transportclose', () => {
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console.log('transport close from consumer', callId)
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// https://mediasoup.org/documentation/v3/mediasoup/api/#router-close
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router[callId].close()
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delete router[callId]
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producer.close()
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consumer.close()
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})
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consumer.on('producerclose', () => {
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console.log('producer of consumer closed', callId)
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// https://mediasoup.org/documentation/v3/mediasoup/api/#router-close
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router[callId].close()
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delete router[callId]
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producer.close()
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consumer.close()
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})
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// from the consumer extract the following params
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// to send back to the Client
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const params = {
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id: consumer.id,
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producerId: producer.id,
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kind: consumer.kind,
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rtpParameters: consumer.rtpParameters,
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}
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// send the parameters to the client
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callback({ params })
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}
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} catch (error) {
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console.log(error.message)
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callback({
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params: {
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error: error
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}
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})
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}
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})
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socket.on('consumer-resume', async () => {
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console.log(`[consumer-resume]`)
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await consumer.resume()
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})
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})
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const createWebRtcTransportLayer = async (callId, callback) => {
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try {
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console.log('[createWebRtcTransportLayer] callId', callId);
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// https://mediasoup.org/documentation/v3/mediasoup/api/#WebRtcTransportOptions
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const webRtcTransport_options = {
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listenIps: [
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{
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ip: process.env.IP, // Listening IPv4 or IPv6.
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announcedIp: process.env.ANNOUNCED_IP, // Announced IPv4 or IPv6 (useful when running mediasoup behind NAT with private IP).
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}
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],
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enableUdp: true,
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enableTcp: true,
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preferUdp: true,
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}
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// console.log('webRtcTransport_options', webRtcTransport_options);
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// console.log('router', router, '| router[callId]', router[callId]);
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// https://mediasoup.org/documentation/v3/mediasoup/api/#router-createWebRtcTransport
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let transport = await router[callId].createWebRtcTransport(webRtcTransport_options)
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console.log(`callId: ${callId} | transport id: ${transport.id}`)
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transport.on('dtlsstatechange', dtlsState => {
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if (dtlsState === 'closed') {
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transport.close()
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}
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})
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transport.on('close', () => {
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console.log('transport closed')
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})
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const params = {
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id: transport.id,
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iceParameters: transport.iceParameters,
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iceCandidates: transport.iceCandidates,
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dtlsParameters: transport.dtlsParameters,
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}
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// console.log('params', params);
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// send back to the client the following prameters
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callback({
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// https://mediasoup.org/documentation/v3/mediasoup-client/api/#TransportOptions
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params
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})
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return transport
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} catch (error) {
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console.log('[createWebRtcTransportLayer] ERROR', JSON.stringify(error));
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callback({
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params: {
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error: error
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}
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})
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}
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import 'dotenv/config'
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/**
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* integrating mediasoup server with a node.js application
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*/
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/* Please follow mediasoup installation requirements */
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/* https://mediasoup.org/documentation/v3/mediasoup/installation/ */
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import express from 'express'
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const app = express()
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import https from 'httpolyglot'
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import fs from 'fs'
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import path from 'path'
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const __dirname = path.resolve()
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import Server from 'socket.io'
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import mediasoup, { getSupportedRtpCapabilities } from 'mediasoup'
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let worker
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let router = {}
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let producerTransport
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let consumerTransport
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let producer
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let consumer
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app.get('/', (_req, res) => {
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res.send('Hello from mediasoup app!')
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})
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app.use('/sfu', express.static(path.join(__dirname, 'public')))
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// SSL cert for HTTPS access
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const options = {
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key: fs.readFileSync('./server/ssl/key.pem', 'utf-8'),
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cert: fs.readFileSync('./server/ssl/cert.pem', 'utf-8')
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}
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const httpsServer = https.createServer(options, app)
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httpsServer.listen(process.env.PORT, () => {
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console.log('Listening on port:', process.env.PORT)
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})
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const io = new Server(httpServer, {
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allowEIO3: true
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});
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// socket.io namespace (could represent a room?)
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const peers = io.of('/mediasoup')
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/**
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* Worker
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* |-> Router(s)
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* |-> Producer Transport(s)
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* |-> Producer
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* |-> Consumer Transport(s)
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* |-> Consumer
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**/
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const createWorker = async () => {
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worker = await mediasoup.createWorker({
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rtcMinPort: 2000,
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rtcMaxPort: 2020,
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})
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console.log(`[createWorker] worker pid ${worker.pid}`)
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worker.on('died', error => {
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// This implies something serious happened, so kill the application
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console.error('mediasoup worker has died', error)
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setTimeout(() => process.exit(1), 2000) // exit in 2 seconds
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})
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return worker
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}
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// We create a Worker as soon as our application starts
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worker = createWorker()
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// This is an Array of RtpCapabilities
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// https://mediasoup.org/documentation/v3/mediasoup/rtp-parameters-and-capabilities/#RtpCodecCapability
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// list of media codecs supported by mediasoup ...
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// https://github.com/versatica/mediasoup/blob/v3/src/supportedRtpCapabilities.ts
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const mediaCodecs = [
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{
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kind: 'audio',
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mimeType: 'audio/opus',
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clockRate: 48000,
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channels: 2,
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},
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{
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kind: 'video',
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mimeType: 'video/VP8',
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clockRate: 90000,
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parameters: {
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'x-google-start-bitrate': 1000,
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},
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},
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]
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peers.on('connection', async socket => {
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console.log('[connection] socketId:', socket.id)
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socket.emit('connection-success', {
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socketId: socket.id,
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existsProducer: producer ? true : false,
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})
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socket.on('disconnect', () => {
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// do some cleanup
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console.log('peer disconnected')
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})
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socket.on('createRoom', async ({ callId }, callback) => {
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console.log('[createRoom] callId', callId);
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console.log('Router length:', Object.keys(router).length);
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if (router[callId] === undefined) {
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// worker.createRouter(options)
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// options = { mediaCodecs, appData }
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// mediaCodecs -> defined above
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// appData -> custom application data - we are not supplying any
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// none of the two are required
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router[callId] = await worker.createRouter({ mediaCodecs })
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console.log(`[createRoom] Router ID: ${router[callId].id}`)
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}
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getRtpCapabilities(callId, callback)
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})
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const getRtpCapabilities = (callId, callback) => {
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const rtpCapabilities = router[callId].rtpCapabilities
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callback({ rtpCapabilities })
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}
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// Client emits a request to create server side Transport
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// We need to differentiate between the producer and consumer transports
|
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socket.on('createWebRtcTransport', async ({ sender, callId }, callback) => {
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console.log(`[createWebRtcTransport] Is this a sender request? ${sender} | callId ${callId}`)
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// The client indicates if it is a producer or a consumer
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// if sender is true, indicates a producer else a consumer
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if (sender)
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producerTransport = await createWebRtcTransportLayer(callId, callback)
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else
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consumerTransport = await createWebRtcTransportLayer(callId, callback)
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})
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// see client's socket.emit('transport-connect', ...)
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socket.on('transport-connect', async ({ dtlsParameters }) => {
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console.log('[transport-connect] DTLS PARAMS... ', { dtlsParameters })
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await producerTransport.connect({ dtlsParameters })
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})
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// see client's socket.emit('transport-produce', ...)
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socket.on('transport-produce', async ({ kind, rtpParameters, appData }) => {
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// call produce based on the prameters from the client
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producer = await producerTransport.produce({
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kind,
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rtpParameters,
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})
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console.log(`[transport-produce] Producer ID: ${producer.id} | kind: ${producer.kind}`)
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producer.on('transportclose', () => {
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console.log('transport for this producer closed', callId)
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// https://mediasoup.org/documentation/v3/mediasoup/api/#producer-close
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producer.close()
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// https://mediasoup.org/documentation/v3/mediasoup/api/#router-close
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router[callId].close()
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delete router[callId]
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})
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})
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// see client's socket.emit('transport-recv-connect', ...)
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socket.on('transport-recv-connect', async ({ dtlsParameters }) => {
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console.log(`[transport-recv-connect] DTLS PARAMS: ${dtlsParameters}`)
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await consumerTransport.connect({ dtlsParameters })
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})
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socket.on('consume', async ({ rtpCapabilities, callId }, callback) => {
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try {
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// console.log('consume', rtpCapabilities, callId);
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// check if the router can consume the specified producer
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if (router[callId].canConsume({
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producerId: producer.id,
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rtpCapabilities
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})) {
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// transport can now consume and return a consumer
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consumer = await consumerTransport.consume({
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producerId: producer.id,
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rtpCapabilities,
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paused: true,
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})
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consumer.on('transportclose', () => {
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console.log('transport close from consumer', callId)
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// https://mediasoup.org/documentation/v3/mediasoup/api/#router-close
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router[callId].close()
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delete router[callId]
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producer.close()
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consumer.close()
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})
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consumer.on('producerclose', () => {
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console.log('producer of consumer closed', callId)
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// https://mediasoup.org/documentation/v3/mediasoup/api/#router-close
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router[callId].close()
|
||||
delete router[callId]
|
||||
producer.close()
|
||||
consumer.close()
|
||||
})
|
||||
|
||||
// from the consumer extract the following params
|
||||
// to send back to the Client
|
||||
const params = {
|
||||
id: consumer.id,
|
||||
producerId: producer.id,
|
||||
kind: consumer.kind,
|
||||
rtpParameters: consumer.rtpParameters,
|
||||
}
|
||||
|
||||
// send the parameters to the client
|
||||
callback({ params })
|
||||
}
|
||||
} catch (error) {
|
||||
console.log(error.message)
|
||||
callback({
|
||||
params: {
|
||||
error: error
|
||||
}
|
||||
})
|
||||
}
|
||||
})
|
||||
|
||||
socket.on('consumer-resume', async () => {
|
||||
console.log(`[consumer-resume]`)
|
||||
await consumer.resume()
|
||||
})
|
||||
})
|
||||
|
||||
const createWebRtcTransportLayer = async (callId, callback) => {
|
||||
try {
|
||||
console.log('[createWebRtcTransportLayer] callId', callId);
|
||||
// https://mediasoup.org/documentation/v3/mediasoup/api/#WebRtcTransportOptions
|
||||
const webRtcTransport_options = {
|
||||
listenIps: [
|
||||
{
|
||||
ip: process.env.IP, // Listening IPv4 or IPv6.
|
||||
announcedIp: process.env.ANNOUNCED_IP, // Announced IPv4 or IPv6 (useful when running mediasoup behind NAT with private IP).
|
||||
}
|
||||
],
|
||||
enableUdp: true,
|
||||
enableTcp: true,
|
||||
preferUdp: true,
|
||||
}
|
||||
|
||||
// console.log('webRtcTransport_options', webRtcTransport_options);
|
||||
// console.log('router', router, '| router[callId]', router[callId]);
|
||||
|
||||
// https://mediasoup.org/documentation/v3/mediasoup/api/#router-createWebRtcTransport
|
||||
let transport = await router[callId].createWebRtcTransport(webRtcTransport_options)
|
||||
console.log(`callId: ${callId} | transport id: ${transport.id}`)
|
||||
|
||||
transport.on('dtlsstatechange', dtlsState => {
|
||||
if (dtlsState === 'closed') {
|
||||
transport.close()
|
||||
}
|
||||
})
|
||||
|
||||
transport.on('close', () => {
|
||||
console.log('transport closed')
|
||||
})
|
||||
|
||||
const params = {
|
||||
id: transport.id,
|
||||
iceParameters: transport.iceParameters,
|
||||
iceCandidates: transport.iceCandidates,
|
||||
dtlsParameters: transport.dtlsParameters,
|
||||
}
|
||||
|
||||
// console.log('params', params);
|
||||
|
||||
// send back to the client the following prameters
|
||||
callback({
|
||||
// https://mediasoup.org/documentation/v3/mediasoup-client/api/#TransportOptions
|
||||
params
|
||||
})
|
||||
|
||||
return transport
|
||||
|
||||
} catch (error) {
|
||||
console.log('[createWebRtcTransportLayer] ERROR', JSON.stringify(error));
|
||||
callback({
|
||||
params: {
|
||||
error: error
|
||||
}
|
||||
})
|
||||
}
|
||||
}
|
||||
Loading…
Reference in New Issue
Block a user