2023-10-25 10:19:36 +02:00

245 lines
8.1 KiB
Vue

<template>
<div id="main-container" class="container">
<div id="join" v-if="!room">
<div id="img-div">
<img src="/assets/images/openvidu_grey_bg_transp_cropped.png" />
</div>
<div id="join-dialog" class="jumbotron vertical-center">
<h1>Join a video room</h1>
<div class="form-group">
<p>
<label>Participant</label>
<input v-model="myParticipantName" class="form-control" type="text" required />
</p>
<p>
<label>Session</label>
<input v-model="myRoomName" class="form-control" type="text" required />
</p>
<p class="text-center">
<button class="btn btn-lg btn-success" @click="joinRoom()">Join!</button>
</p>
</div>
</div>
</div>
<div id="room" v-if="room">
<div id="room-header">
<h1 id="room-title">{{ myRoomName }}</h1>
<input
class="btn btn-large btn-danger"
type="button"
id="buttonLeaveRoom"
@click="leaveRoom"
value="Leave room"
/>
</div>
<div v-if="mainPublication" id="main-video" class="col-md-6">
<p class="participant-name">{{ getParticipantName(mainPublication.trackSid) }}</p>
<OvVideo v-if="mainPublication.videoTrack" :track="mainPublication.videoTrack" />
</div>
<div
v-if="localPublication && localPublication.videoTrack"
id="video-container"
class="col-md-6"
>
<p class="participant-name">{{ myParticipantName }}</p>
<OvVideo
:track="localPublication.videoTrack"
@click="updateMainPublication(localPublication)"
/>
<div v-for="publication in remotePublications" :key="publication.trackSid">
<p v-if="publication.videoTrack" class="participant-name">
{{ getParticipantName(publication.trackSid) }}
</p>
<OvVideo
v-if="publication.videoTrack"
:track="publication.videoTrack"
@click="updateMainPublication(publication)"
/>
<OvAudio v-if="publication.audioTrack" :track="publication.audioTrack" />
</div>
</div>
</div>
</div>
</template>
<script>
import axios from 'axios'
import OvVideo from './components/OvVideo.vue'
import OvAudio from './components/OvAudio.vue'
import { Room, RoomEvent } from 'livekit-client'
axios.defaults.headers.post['Content-Type'] = 'application/json'
const APPLICATION_SERVER_URL = 'http://localhost:5000/'
export default {
name: 'App',
components: {
OvVideo,
OvAudio
},
data() {
return {
// OpenVidu objects
room: undefined,
mainPublication: undefined,
localPublication: undefined,
remotePublications: [],
// Join form
myRoomName: 'RoomA',
myParticipantName: 'Participant' + Math.floor(Math.random() * 100)
}
},
methods: {
joinRoom() {
// --- 1) Init a room ---
this.room = new Room()
// --- 2) Specify the actions when events take place in the room ---
// On every new Track received...
this.room.on(RoomEvent.TrackSubscribed, (track, publication, participant) => {
console.log('Track subscribed', track, publication, participant)
// Store the new publication in remotePublications array
this.remotePublications.push(publication)
})
// On every track destroyed...
this.room.on(RoomEvent.TrackUnsubscribed, (track, publication, participant) => {
console.log('Track unsubscribed', track, publication, participant)
// Remove the publication from 'remotePublications' array
this.deleteRemoteTrackPublication(publication)
})
// --- 3) Connect to the room with a valid access token ---
// Get a token from the application backend
this.getToken(this.myRoomName, this.myParticipantName).then(async (token) => {
const livekitUrl = this.getLivekitUrlFromMetadata(token)
// First param is the token. Second param can be retrieved by every user on event
// 'streamCreated' (property Stream.connection.data), and will be appended to DOM as the user's nickname
try {
await this.room.connect(livekitUrl, token)
// --- 4) Publish your local tracks ---
await this.room.localParticipant.setMicrophoneEnabled(true)
const videoPublication = await this.room.localParticipant.setCameraEnabled(true)
// Set the main video in the page to display our webcam and store our localPublication
this.localPublication = videoPublication
this.mainPublication = videoPublication
} catch (error) {
console.log('There was an error connecting to the room:', error.code, error.message)
}
})
window.addEventListener('beforeunload', this.leaveRoom)
},
leaveRoom() {
// --- 5) Leave the room by calling 'disconnect' method over the Session object ---
if (this.room) this.room.disconnect()
// Empty all properties...
this.room = undefined
this.mainPublication = undefined
this.localPublication = undefined
this.remotePublications = []
// Remove beforeunload listener
window.removeEventListener('beforeunload', this.leaveRoom)
},
getParticipantName(trackSid) {
if (!this.localPublication) return
const isLocalTrack = trackSid === this.localPublication.trackSid
if (isLocalTrack) {
// Return local participant name
return this.myParticipantName
}
// Find in remote participants the participant with the track and return his name
const remoteParticipant = Array.from(this.room.participants.values()).find((p) => {
return p.getTracks().some((t) => t.trackSid === trackSid)
})
return remoteParticipant?.identity
},
updateMainPublication(publication) {
this.mainPublication = publication
},
deleteRemoteTrackPublication(publication) {
let index = this.remotePublications.findIndex((p) => p.trackSid === publication.trackSid)
if (index > -1) {
this.remotePublications.splice(index, 1)
}
},
getLivekitUrlFromMetadata(token) {
if (!token) throw new Error('Trying to get metadata from an empty token')
try {
const base64Url = token.split('.')[1]
const base64 = base64Url.replace(/-/g, '+').replace(/_/g, '/')
const jsonPayload = decodeURIComponent(
window
.atob(base64)
.split('')
.map((c) => {
return '%' + ('00' + c.charCodeAt(0).toString(16)).slice(-2)
})
.join('')
)
const payload = JSON.parse(jsonPayload)
if (!payload?.metadata) throw new Error('Token does not contain metadata')
const metadata = JSON.parse(payload.metadata)
return metadata.livekitUrl
} catch (error) {
throw new Error('Error decoding and parsing token: ' + error)
}
},
/**
* --------------------------------------------
* GETTING A TOKEN FROM YOUR APPLICATION SERVER
* --------------------------------------------
* The methods below request the creation of a Token to
* your application server. This keeps your OpenVidu deployment secure.
*
* In this sample code, there is no user control at all. Anybody could
* access your application server endpoints! In a real production
* environment, your application server must identify the user to allow
* access to the endpoints.
*
* Visit https://docs.openvidu.io/en/stable/application-server to learn
* more about the integration of OpenVidu in your application server.
*/
async getToken(roomName, participantName) {
try {
const response = await axios.post(
APPLICATION_SERVER_URL + 'token',
{ roomName, participantName },
{
headers: { 'Content-Type': 'application/json' },
responseType: 'text'
}
)
return response.data
} catch (error) {
// Handle errors here
console.error('Error getting token:', error)
throw error
}
}
}
}
</script>