Merge with master
This commit is contained in:
commit
28497fda91
175
app.js
175
app.js
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@ -15,14 +15,28 @@ 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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import mediasoup 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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/**
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* videoCalls
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* |-> Router
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* |-> Producer
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* |-> Consumer
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* |-> Producer Transport
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* |-> Consumer Transport
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*
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* '<callId>': {
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* router: Router,
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* producer: Producer,
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* producerTransport: Producer Transport,
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* consumer: Consumer,
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* consumerTransport: Consumer Transport
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* }
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*
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**/
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let videoCalls = {}
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let socketDetails = {}
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app.get('/', (_req, res) => {
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res.send('Hello from mediasoup app!')
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@ -42,22 +56,13 @@ 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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allowEIO3: true
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const io = new Server(httpsServer, {
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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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@ -98,40 +103,50 @@ const mediaCodecs = [
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},
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]
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const closeCall = (callId) => {
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if (videoCalls[callId]) {
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videoCalls[callId].producer?.close();
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videoCalls[callId].consumer?.close();
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videoCalls[callId]?.consumerTransport.close();
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videoCalls[callId]?.producerTransport.close();
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videoCalls[callId].router.close();
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delete videoCalls[callId].router;
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}
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}
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const getRtpCapabilities = (callId, callback) => {
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console.log('[getRtpCapabilities] callId', callId);
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const rtpCapabilities = videoCalls[callId].router.rtpCapabilities;
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callback({ rtpCapabilities });
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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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socketId: socket.id
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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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console.log('peer disconnected | socket.id', socket.id)
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delete socketDetails[socket.id];
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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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if (callId) {
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console.log(`[createRoom] socket.id ${socket.id} callId ${callId}`);
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if (!videoCalls[callId]) {
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console.log('[createRoom] callId', callId);
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videoCalls[callId] = { router: await worker.createRouter({ mediaCodecs }) }
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console.log(`[createRoom] Router ID: ${videoCalls[callId].router.id}`);
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}
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socketDetails[socket.id] = callId;
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getRtpCapabilities(callId, callback);
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} else {
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console.log(`[createRoom] missing callId ${callId}`);
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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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@ -139,93 +154,95 @@ peers.on('connection', async socket => {
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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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videoCalls[callId].producerTransport = await createWebRtcTransportLayer(callId, callback)
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else
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consumerTransport = await createWebRtcTransportLayer(callId, callback)
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videoCalls[callId].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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const callId = socketDetails[socket.id];
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console.log(`[transport-connect] socket.id ${socket.id} | callId ${callId} | DTLS PARAMS... ${dtlsParameters}`)
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await videoCalls[callId].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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const callId = socketDetails[socket.id];
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console.log('[transport-produce] | socket.id', socket.id, '| callId', callId);
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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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videoCalls[callId].producer = await videoCalls[callId].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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console.log(`[transport-produce] Producer ID: ${videoCalls[callId].producer.id} | kind: ${videoCalls[callId].producer.kind}`)
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producer.on('transportclose', () => {
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videoCalls[callId].producer.on('transportclose', () => {
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const callId = socketDetails[socket.id];
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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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closeCall(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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const callId = socketDetails[socket.id];
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console.log(`[transport-recv-connect] socket.id ${socket.id} | callId ${callId} | DTLS PARAMS: ${dtlsParameters}`);
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await videoCalls[callId].consumerTransport.connect({ dtlsParameters })
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})
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socket.on('consume', async ({ rtpCapabilities, callId }, callback) => {
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socket.on('consume', async ({ rtpCapabilities }, callback) => {
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const callId = socketDetails[socket.id];
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console.log('[consume] callId', callId);
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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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if (videoCalls[callId].router.canConsume({
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producerId: videoCalls[callId].producer.id,
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rtpCapabilities
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})) {
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console.log('[consume] Can consume', callId);
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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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videoCalls[callId].consumer = await videoCalls[callId].consumerTransport.consume({
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producerId: videoCalls[callId].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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videoCalls[callId].consumer.on('transportclose', () => {
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const callId = socketDetails[socket.id];
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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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videoCalls[callId].producer.close()
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videoCalls[callId].consumer.close()
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delete videoCalls[callId].router
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})
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consumer.on('producerclose', () => {
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videoCalls[callId].consumer.on('producerclose', () => {
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const callId = socketDetails[socket.id];
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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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closeCall()
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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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id: videoCalls[callId].consumer.id,
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producerId: videoCalls[callId].producer.id,
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kind: videoCalls[callId].consumer.kind,
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rtpParameters: videoCalls[callId].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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} else {
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console.log('[canConsume] Can\'t consume')
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}
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} catch (error) {
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console.log(error.message)
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console.log('[consume] Error', error.message)
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callback({
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params: {
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error: error
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@ -235,8 +252,9 @@ peers.on('connection', async socket => {
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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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const callId = socketDetails[socket.id];
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console.log(`[consumer-resume] callId ${callId}`)
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await videoCalls[callId].consumer.resume()
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})
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})
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@ -257,10 +275,9 @@ const createWebRtcTransportLayer = async (callId, callback) => {
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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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let transport = await videoCalls[callId].router.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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@ -280,8 +297,6 @@ const createWebRtcTransportLayer = async (callId, callback) => {
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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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