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authormetamuffin <metamuffin@disroot.org>2022-09-09 13:03:48 +0200
committermetamuffin <metamuffin@disroot.org>2022-09-09 13:03:48 +0200
commit0d4102fc2decaf2e1136bc55a261a9e85488791b (patch)
tree4c0eaef68c2785b0fca903f78e89bcb643642d0a /client-web/source/local_user.ts
parente9aa676207be6e1b11863778deddba59109d88fb (diff)
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diff --git a/client-web/source/local_user.ts b/client-web/source/local_user.ts
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-/// <reference lib="dom" />
-
-import { log } from "./logger.ts";
-import { PREFS } from "./preferences.ts";
-import { RemoteUser } from "./remote_user.ts";
-import { get_rnnoise_node } from "./rnnoise.ts";
-import { Room } from "./room.ts";
-import { TrackHandle } from "./track_handle.ts";
-import { User } from "./user.ts";
-
-export class LocalUser extends User {
- mic_gain?: GainNode
- default_gain: number = PREFS.microphone_gain
-
- constructor(room: Room, id: number) {
- super(room, id)
- this.el.classList.add("local")
- this.local = true
- this.create_controls()
- this.add_initial_tracks()
- log("usermodel", `added local user: ${this.display_name}`)
- }
-
- async add_initial_tracks() {
- if (PREFS.microphone_enabled) this.publish_track(await this.create_mic_track())
- if (PREFS.camera_enabled) this.publish_track(await this.create_camera_track())
- if (PREFS.screencast_enabled) this.publish_track(await this.create_screencast_track())
- }
-
- publish_track(t: TrackHandle) {
- this.room.remote_users.forEach(u => u.peer.addTrack(t.track))
- this.add_track(t)
- t.addEventListener("ended", () => {
- this.room.remote_users.forEach(u => {
- u.peer.getSenders().forEach(s => {
- if (s.track == t.track) u.peer.removeTrack(s)
- })
- })
- })
- }
-
- add_initial_to_remote(u: RemoteUser) {
- this.tracks.forEach(t => u.peer.addTrack(t.track))
- }
-
- create_controls() {
- const mic_toggle = document.createElement("input")
- const camera_toggle = document.createElement("input")
- const screen_toggle = document.createElement("input")
- mic_toggle.type = camera_toggle.type = screen_toggle.type = "button"
- mic_toggle.value = "Microphone"
- camera_toggle.value = "Camera"
- screen_toggle.value = "Screencast"
-
- const create = async (_e: HTMLElement, tp: Promise<TrackHandle>) => {
- log("media", "awaiting track")
- const t = await tp
- log("media", "got track")
- this.publish_track(t)
- }
-
- mic_toggle.addEventListener("click", () => create(mic_toggle, this.create_mic_track()))
- camera_toggle.addEventListener("click", () => create(camera_toggle, this.create_camera_track()))
- screen_toggle.addEventListener("click", () => create(screen_toggle, this.create_screencast_track()))
-
- const el = document.createElement("div")
- el.classList.add("local-controls")
- el.append(mic_toggle, camera_toggle, screen_toggle)
- document.body.append(el)
- }
-
- async create_camera_track() {
- log("media", "requesting user media (camera)")
- const user_media = await window.navigator.mediaDevices.getUserMedia({
- video: { facingMode: { ideal: PREFS.camera_facing_mode } }
- })
- return new TrackHandle(user_media.getVideoTracks()[0], true)
- }
-
- async create_screencast_track() {
- log("media", "requesting user media (screen)")
- const user_media = await window.navigator.mediaDevices.getDisplayMedia({ video: true })
- return new TrackHandle(user_media.getVideoTracks()[0], true)
- }
-
- async create_mic_track() {
- log("media", "requesting user media (audio)")
- const audio_contraints = PREFS.rnnoise ? {
- channelCount: { ideal: 1 },
- noiseSuppression: { ideal: false },
- echoCancellation: { ideal: true },
- autoGainControl: { ideal: true },
- } : {
- channelCount: { ideal: 1 },
- noiseSuppression: { ideal: false },
- echoCancellation: { ideal: true },
- autoGainControl: { ideal: true },
- };
-
- const user_media = await window.navigator.mediaDevices.getUserMedia({ audio: audio_contraints })
- const context = new AudioContext()
- const source = context.createMediaStreamSource(user_media)
- const destination = context.createMediaStreamDestination()
- const gain = context.createGain()
- gain.gain.value = this.default_gain
- this.mic_gain = gain
-
- let rnnoise: RNNoiseNode;
- if (PREFS.rnnoise) {
- rnnoise = await get_rnnoise_node(context)
- source.connect(rnnoise)
- rnnoise.connect(gain)
- } else {
- source.connect(gain)
- }
- gain.connect(destination)
-
- const t = new TrackHandle(destination.stream.getAudioTracks()[0], true)
-
- t.addEventListener("ended", () => {
- user_media.getTracks().forEach(t => t.stop())
- source.disconnect()
- if (rnnoise) rnnoise.disconnect()
- gain.disconnect()
- destination.disconnect()
- this.mic_gain = undefined
- })
-
- return t
- }
-}