Screenshare with Audio

Screenshare with Audio on Discord
当前为 2021-11-24 提交的版本，查看最新版本。
换行
// ==UserScript==
// @name         Screenshare with Audio
// @namespace    https://github.com/edisionnano
// @version      0.2
// @description  Screenshare with Audio on Discord
// @author       Guest271314 and Samantas5855
// @match        https://*.discord.com/*
// @icon         https://www.google.com/s2/favicons?domain=discord.com
// @grant        none
// @license      MIT
// ==/UserScript==
navigator.mediaDevices.chromiumGetDisplayMedia =
  navigator.mediaDevices.getDisplayMedia;

const getDisplayMedia = async () => {
  let captureSystemAudioStream = await navigator.mediaDevices.getUserMedia({
    audio: {
      // We add our audio constraints here, to get a list of supported constraints use navigator.mediaDevices.getSupportedConstraints();
      // We must capture a microphone, we use default since its the only deviceId that is the same for every Chromium user
      deviceId: { exact: "default" },
      // We want auto gain control, noise cancellation and noise suppression disabled so that our stream won't sound bad
      autoGainControl: false,
      echoCancellation: false,
      noiseSuppression: false
      // By default Chromium sets channel count for audio devices to 1, we want it to be stereo in case we find a way for Discord to accept stereo screenshare too
      //channelCount: 2,
      // You can set more audio constraints here, bellow are some examples
      //latency: 0,
      //sampleRate: 48000,
      //sampleSize: 16,
      //volume: 1.0
    }
  });
  let [track] = captureSystemAudioStream.getAudioTracks();
  const gdm = await navigator.mediaDevices.chromiumGetDisplayMedia({
    video: true,
    audio: true
  });
  gdm.addTrack(track);
  return gdm;
};
navigator.mediaDevices.getDisplayMedia = getDisplayMedia;
navigator.mediaDevices
  .getDisplayMedia({
    audio: true,
    video: true
  })
  .then((gdm) => {
    //Stop the fake screenshare after getting permission
    gdm.getTracks().forEach((track) => track.stop());
  });
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