Files
flotilla/src/app/call/stores.ts
T

60 lines
1.9 KiB
TypeScript

import {Room as LiveKitRoom} from "livekit-client"
import {derived, writable} from "svelte/store"
import {type Room} from "@app/core/state"
export type VoiceSession = {
url: string
h: string
room: LiveKitRoom
cameraOn: boolean
screenShareOn: boolean
}
/** Mic mute state is separate so toggling it does not re-render video tiles. */
export const voiceMicMuted = writable(true)
export type Pubkey = string
export type VoiceParticipant = {pubkey?: Pubkey; identity: string}
export enum VoiceState {
Joining = "joining",
Connected = "connected",
Disconnected = "disconnected",
}
export const currentVoiceSession = writable<VoiceSession | undefined>(undefined)
export const voiceState = writable<VoiceState>(VoiceState.Disconnected)
export const currentVoiceRoom = writable<Room | undefined>(undefined)
export const participantPubkeyMap = writable<Map<string, Pubkey>>(new Map())
export const pubkeyFromLiveKitIdentity = (identity: string): string | undefined =>
/^[a-f0-9]{64}$/.test(identity.slice(0, 64)) ? identity.slice(0, 64) : undefined
export const participantFromLiveKitIdentity = (identity: string): VoiceParticipant => {
const pk = pubkeyFromLiveKitIdentity(identity)
return pk ? {pubkey: pk, identity} : {identity}
}
export const participantKey = (p: VoiceParticipant) => p.pubkey ?? p.identity
export const speakingParticipants = writable<VoiceParticipant[]>([])
export const isParticipantSpeaking = derived(
speakingParticipants,
$participants => (p: VoiceParticipant) =>
$participants.some(sp => participantKey(sp) === participantKey(p)),
)
export const isLocalSpeaking = derived(
[currentVoiceSession, speakingParticipants],
([$session, $speaking]) => {
if (!$session?.room) return false
const local = participantFromLiveKitIdentity($session.room.localParticipant.identity)
return $speaking.some(sp => participantKey(sp) === participantKey(local))
},
)