first commit

This commit is contained in:
Sergiu Toma 2022-07-23 10:32:54 +03:00
commit bb24a296ec
10 changed files with 28029 additions and 0 deletions

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.prettierrc Normal file
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{
"singleQuote": true,
"semi": true,
"jsxSingleQuote": true,
"printWidth": 120,
"bracketSpacing": true,
"bracketSameLine": false
}

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README.md Normal file
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Generate keys command:
openssl req -newkey rsa:2048 -new -nodes -x509 -days 3650 -keyout key.pem -out cert.pem

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import express from 'express'
const app = express()
import https from 'httpolyglot'
import fs from 'fs'
import path from 'path'
const __dirname = path.resolve()
// import { Server } from 'socket.io'
import Server from 'socket.io'
import mediasoup from 'mediasoup'
app.get('/', (req, res) => {
res.send('Hello from mediasoup app!')
})
app.use('/sfu', express.static(path.join(__dirname, 'public')))
// SSL cert for HTTPS access
const options = {
key: fs.readFileSync('./server/ssl/key.pem', 'utf-8'),
cert: fs.readFileSync('./server/ssl/cert.pem', 'utf-8')
}
const httpsServer = https.createServer(options, app)
httpsServer.listen(3000, () => {
console.log('listening on port: ' + 3000)
})
// const io = new Server(httpsServer)
const io = new Server(httpsServer)
const peers = io.of('/mediasoup')
/**
* Worker
* |-> Router(s)
* |-> Producer Transport(s)
* |-> Producer
* |-> Consumer Transport(s)
* |-> Consumer
**/
let worker
let routers = {}
let producerTransport
let consumerTransport
let producer
let consumer
const createWorker = async () => {
worker = await mediasoup.createWorker({
rtcMinPort: 2000,
rtcMaxPort: 2020,
})
console.log(`worker pid ${worker.pid}`)
worker.on('died', error => {
// This implies something serious happened, so kill the application
console.error('mediasoup worker has died')
setTimeout(() => process.exit(1), 2000) // exit in 2 seconds
})
return worker
}
// We create a Worker as soon as our application starts
worker = createWorker()
// This is an Array of RtpCapabilities
// https://mediasoup.org/documentation/v3/mediasoup/rtp-parameters-and-capabilities/#RtpCodecCapability
// list of media codecs supported by mediasoup ...
// https://github.com/versatica/mediasoup/blob/v3/src/supportedRtpCapabilities.ts
const mediaCodecs = [
{
kind: 'audio',
mimeType: 'audio/opus',
clockRate: 48000,
channels: 2,
},
{
kind: 'video',
mimeType: 'video/VP8',
clockRate: 90000,
parameters: {
'x-google-start-bitrate': 1000,
},
},
]
peers.on('connection', async socket => {
console.log('[connection]');
socket.emit('connection-success', {
socketId: socket.id
})
socket.on('disconnect', () => {
// do some cleanup
console.log('[disconnect]')
})
socket.on('create-router', async (data) => {
const routerId = data.assetId;
console.log('[create-router]', routerId)
routers[routerId] = await worker.createRouter({ mediaCodecs })
// console.log('🔴 Create routers', routers);
// for (const key in routers) {
// if (Object.hasOwnProperty.call(routers, key)) {
// const element = routers[key];
// console.log('🔴', key, element);
// }
// }
// Client emits a request for RTP Capabilities
// This event responds to the request
socket.on('getRtpCapabilities', (callback) => {
console.log('[getRtpCapabilities]')
const rtpCapabilities = routers[routerId].rtpCapabilities
// call callback from the client and send back the rtpCapabilities
callback({ rtpCapabilities })
})
// Client emits a request to create server side Transport
// We need to differentiate between the producer and consumer transports
socket.on('createWebRtcTransport', async ({ sender }, callback) => {
console.log(`Is this a sender request? ${sender}`)
// The client indicates if it is a producer or a consumer
// if sender is true, indicates a producer else a consumer
if (sender)
producerTransport = await createWebRtcTransport(routerId, callback)
else
consumerTransport = await createWebRtcTransport(routerId, callback)
})
// see client's socket.emit('transport-connect', ...)
socket.on('transport-connect', async ({ dtlsParameters }) => {
console.log('DTLS PARAMS... ', { dtlsParameters })
await producerTransport.connect({ dtlsParameters })
})
// see client's socket.emit('transport-produce', ...)
socket.on('transport-produce', async ({ kind, rtpParameters, appData }, callback) => {
// call produce based on the prameters from the client
producer = await producerTransport.produce({
kind,
rtpParameters,
})
console.log('Producer ID:', producer.id, producer.kind)
producer.on('transportclose', () => {
console.log('transport for this producer closed ')
producer.close()
})
// Send back to the client the Producer's id
callback({
id: producer.id
})
})
// see client's socket.emit('transport-recv-connect', ...)
socket.on('transport-recv-connect', async ({ dtlsParameters }) => {
console.log(`DTLS PARAMS: ${dtlsParameters}`)
await consumerTransport.connect({ dtlsParameters })
})
socket.on('consume', async ({ rtpCapabilities }, callback) => {
try {
console.log('[consume] Producer ID:', producer.id, producer.kind)
// check if the routers can consume the specified producer
if (routers[routerId].canConsume({
producerId: producer.id,
rtpCapabilities
})) {
// transport can now consume and return a consumer
consumer = await consumerTransport.consume({
producerId: producer.id,
rtpCapabilities,
paused: true,
})
consumer.on('transportclose', () => {
console.log('transport close from consumer')
})
consumer.on('producerclose', () => {
console.log('producer of consumer closed')
})
// 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 })
} else {
console.log("Can't consume!!!", routers[routerId].canConsume());
}
} catch (error) {
console.log(error.message)
callback({
params: {
error: error
}
})
}
})
socket.on('consumer-resume', async () => {
console.log('consumer resume')
await consumer.resume()
})
})
})
const createWebRtcTransport = async (routerId, callback) => {
try {
// https://mediasoup.org/documentation/v3/mediasoup/api/#WebRtcTransportOptions
const webRtcTransport_options = {
listenIps: [
{
ip: '0.0.0.0', // replace with relevant IP address
announcedIp: '127.0.0.1',
}
],
enableUdp: true,
enableTcp: true,
preferUdp: true,
}
// https://mediasoup.org/documentation/v3/mediasoup/api/#routers-createWebRtcTransport
let transport = await routers[routerId].createWebRtcTransport(webRtcTransport_options)
console.log(`transport id: ${transport.id}`)
transport.on('dtlsstatechange', dtlsState => {
if (dtlsState === 'closed') {
transport.close()
}
})
transport.on('close', () => {
console.log('transport closed')
})
// send back to the client the following prameters
callback({
// https://mediasoup.org/documentation/v3/mediasoup-client/api/#TransportOptions
params: {
id: transport.id,
iceParameters: transport.iceParameters,
iceCandidates: transport.iceCandidates,
dtlsParameters: transport.dtlsParameters,
}
})
return transport
} catch (error) {
console.log(error)
callback({
params: {
error: error
}
})
}
}

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{
"name": "mediasoup",
"version": "1.0.0",
"description": "",
"main": "app.js",
"scripts": {
"test": "echo \"Error: no test specified\" && exit 1",
"start": "nodemon app.js",
"watch": "watchify public/index.js -o public/bundle.js -v"
},
"keywords": [],
"author": "",
"license": "ISC",
"type": "module",
"dependencies": {
"express": "^4.18.1",
"httpolyglot": "^0.1.2",
"mediasoup": "^3.10.4",
"mediasoup-client": "^3.6.54",
"socket.io": "^2.0.3",
"socket.io-client": "^2.0.3"
},
"devDependencies": {
"nodemon": "^2.0.19",
"watchify": "^4.0.0"
}
}

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<html>
<head>
<style>
tr {
vertical-align: top;
}
.video {
width: 360px;
background-color: black;
margin: 2px 0;
}
button {
margin: 2;
}
#sharedBtns {
padding: 5;
background-color: papayawhip;
display: flex;
justify-content: center;
}
</style>
</head>
<body>
<body>
<label for="assetId">My asset id:</label><br>
<input type="number" id="assetId" name="assetId"><br>
<div id="video">
<table>
<thead>
<th>Local Video</th>
<th>Remote Video</th>
</thead>
<tbody>
<tr>
<td>
<div id="sharedBtns">
<video id="localVideo" autoplay class="video" ></video>
</div>
</td>
<td>
<div id="sharedBtns">
<video id="remoteVideo" autoplay class="video" ></video>
</div>
</td>
</tr>
<tr>
<td>
<div id="sharedBtns">
<button id="btnLocalVideo">1. Get Local Video</button>
</div>
</td>
</tr>
<tr>
<td colspan="2">
<div id="sharedBtns">
<button id="btnRtpCapabilities">2. Get Rtp Capabilities</button>
<br />
<button id="btnDevice">3. Create Device</button>
</div>
</td>
</tr>
<tr>
<td>
<div id="sharedBtns">
<button id="btnCreateSendTransport">4. Create Send Transport</button>
<br />
<button id="btnConnectSendTransport">5. Connect Send Transport & Produce</button></td>
</div>
<td>
<div id="sharedBtns">
<button id="btnRecvSendTransport">6. Create Recv Transport</button>
<br />
<button id="btnConnectRecvTransport">7. Connect Recv Transport & Consume</button>
</div>
</td>
</tr>
</tbody>
</table>
</div>
</body>
</body>
<footer>
<script src="bundle.js"></script>
</footer>
</html>

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const io = require("socket.io-client");
const mediasoupClient = require('mediasoup-client')
const ASSET_ID = 71
const ACCOUNT_ID = 1
let hub = io('https://hub.dev.linx.safemobile.com/', {
reconnect: false,
transports: ['websocket'],
})
hub.on('connect', async () => {
console.log('hub.connected', hub.connected);
hub.emit(
'ars',
JSON.stringify({
ars: true,
asset_id: ASSET_ID,
account_id: ACCOUNT_ID,
})
);
});
hub.on("connect_error", (error) => {
console.log('connect_error', error);
});
hub.on('connection', async socket => {
console.log('connection')
})
hub.on('disconnect', async socket => {
console.log('disconnect')
})
// ------------------------------------------------
const mediasoup = io('/mediasoup')
mediasoup.on('connection-success', ({ socketId }) => {
console.log('mediasoup.connected', mediasoup.connected)
mediasoup.emit('create-router', {
assetId: ASSET_ID
})
})
let device
let rtpCapabilities
let producerTransport
let consumerTransport
let producer
let consumer
// https://mediasoup.org/documentation/v3/mediasoup-client/api/#ProducerOptions
// https://mediasoup.org/documentation/v3/mediasoup-client/api/#transport-produce
let params = {
// mediasoup params
encodings: [
{
rid: 'r0',
maxBitrate: 100000,
scalabilityMode: 'S1T3',
},
{
rid: 'r1',
maxBitrate: 300000,
scalabilityMode: 'S1T3',
},
{
rid: 'r2',
maxBitrate: 900000,
scalabilityMode: 'S1T3',
},
],
// https://mediasoup.org/documentation/v3/mediasoup-client/api/#ProducerCodecOptions
codecOptions: {
videoGoogleStartBitrate: 1000
}
}
const streamSuccess = async (stream) => {
localVideo.srcObject = stream
const track = stream.getVideoTracks()[0]
params = {
track,
...params
}
}
const getLocalStream = () => {
navigator.getUserMedia({
audio: false,
video: {
width: {
min: 640,
max: 1920,
},
height: {
min: 400,
max: 1080,
}
}
}, streamSuccess, error => {
console.log(error.message)
})
}
// A device is an endpoint connecting to a Router on the
// server side to send/recive media
const createDevice = async () => {
try {
device = new mediasoupClient.Device()
// https://mediasoup.org/documentation/v3/mediasoup-client/api/#device-load
// Loads the device with RTP capabilities of the Router (server side)
await device.load({
// see getRtpCapabilities() below
routerRtpCapabilities: rtpCapabilities
})
console.log('RTP Capabilities', device.rtpCapabilities)
} catch (error) {
console.log(error)
if (error.name === 'UnsupportedError')
console.warn('browser not supported')
}
}
const getRtpCapabilities = () => {
// make a request to the server for Router RTP Capabilities
// see server's socket.on('getRtpCapabilities', ...)
// the server sends back data object which contains rtpCapabilities
mediasoup.emit('getRtpCapabilities', (data) => {
console.log(`Router RTP Capabilities... ${data.rtpCapabilities}`)
// we assign to local variable and will be used when
// loading the client Device (see createDevice above)
rtpCapabilities = data.rtpCapabilities
})
}
const createSendTransport = () => {
// see server's socket.on('createWebRtcTransport', sender?, ...)
// this is a call from Producer, so sender = true
mediasoup.emit('createWebRtcTransport', { sender: true }, ({ params }) => {
// The server sends back params needed
// to create Send Transport on the client side
if (params.error) {
console.log(params.error)
return
}
console.log(params)
// creates a new WebRTC Transport to send media
// based on the server's producer transport params
// https://mediasoup.org/documentation/v3/mediasoup-client/api/#TransportOptions
producerTransport = device.createSendTransport(params)
// https://mediasoup.org/documentation/v3/communication-between-client-and-server/#producing-media
// this event is raised when a first call to transport.produce() is made
// see connectSendTransport() below
producerTransport.on('connect', async ({ dtlsParameters }, callback, errback) => {
try {
// Signal local DTLS parameters to the server side transport
// see server's socket.on('transport-connect', ...)
await mediasoup.emit('transport-connect', {
dtlsParameters,
})
// Tell the transport that parameters were transmitted.
callback()
} catch (error) {
errback(error)
}
})
producerTransport.on('produce', async (parameters, callback, errback) => {
console.log(parameters)
try {
// tell the server to create a Producer
// with the following parameters and produce
// and expect back a server side producer id
// see server's socket.on('transport-produce', ...)
await mediasoup.emit('transport-produce', {
kind: parameters.kind,
rtpParameters: parameters.rtpParameters,
appData: parameters.appData,
}, ({ id }) => {
// Tell the transport that parameters were transmitted and provide it with the
// server side producer's id.
callback({ id })
})
} catch (error) {
errback(error)
}
})
})
}
const connectSendTransport = async () => {
// we now call produce() to instruct the producer transport
// to send media to the Router
// https://mediasoup.org/documentation/v3/mediasoup-client/api/#transport-produce
// this action will trigger the 'connect' and 'produce' events above
producer = await producerTransport.produce(params)
producer.on('trackended', () => {
console.log('track ended')
// close video track
})
producer.on('transportclose', () => {
console.log('transport ended')
// close video track
})
}
const createRecvTransport = async () => {
// see server's socket.on('consume', sender?, ...)
// this is a call from Consumer, so sender = false
await mediasoup.emit('createWebRtcTransport', { sender: false }, ({ params }) => {
// The server sends back params needed
// to create Send Transport on the client side
if (params.error) {
console.log(params.error)
return
}
console.log(params)
// creates a new WebRTC Transport to receive media
// based on server's consumer transport params
// https://mediasoup.org/documentation/v3/mediasoup-client/api/#device-createRecvTransport
consumerTransport = device.createRecvTransport(params)
// https://mediasoup.org/documentation/v3/communication-between-client-and-server/#producing-media
// this event is raised when a first call to transport.produce() is made
// see connectRecvTransport() below
consumerTransport.on('connect', async ({ dtlsParameters }, callback, errback) => {
try {
// Signal local DTLS parameters to the server side transport
// see server's socket.on('transport-recv-connect', ...)
await mediasoup.emit('transport-recv-connect', {
dtlsParameters,
})
// Tell the transport that parameters were transmitted.
callback()
} catch (error) {
// Tell the transport that something was wrong
errback(error)
}
})
})
}
const connectRecvTransport = async () => {
console.log('connectRecvTransport');
// for consumer, we need to tell the server first
// to create a consumer based on the rtpCapabilities and consume
// if the router can consume, it will send back a set of params as below
await mediasoup.emit('consume', {
rtpCapabilities: device.rtpCapabilities,
}, async ({ params }) => {
if (params.error) {
console.log('Cannot Consume')
return
}
console.log('params', params)
// then consume with the local consumer transport
// which creates a consumer
consumer = await consumerTransport.consume({
id: params.id,
producerId: params.producerId,
kind: params.kind,
rtpParameters: params.rtpParameters
})
// destructure and retrieve the video track from the producer
const { track } = consumer
remoteVideo.srcObject = new MediaStream([track])
// the server consumer started with media paused
// so we need to inform the server to resume
console.log('consumer-resume');
mediasoup.emit('consumer-resume')
})
}
btnLocalVideo.addEventListener('click', getLocalStream)
btnRtpCapabilities.addEventListener('click', getRtpCapabilities)
btnDevice.addEventListener('click', createDevice)
btnCreateSendTransport.addEventListener('click', createSendTransport)
btnConnectSendTransport.addEventListener('click', connectSendTransport)
btnRecvSendTransport.addEventListener('click', createRecvTransport)
btnConnectRecvTransport.addEventListener('click', connectRecvTransport)

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-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

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-----BEGIN PRIVATE KEY-----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Iq0b2LvNmBlAniSe2QXJrLGY/E/71gViRd0up16sgthkq4y/Nc7EVa3ELVXrAenV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-----END PRIVATE KEY-----