Initial commit

assets/userscript.js

@@ -0,0 +1,62 @@
+// ==UserScript==
+// @name         Screenshare with Audio
+// @namespace    https://github.com/edisionnano
+// @version      0.4
+// @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==
+
+/* jshint esversion: 8 */
+
+navigator.mediaDevices.chromiumGetDisplayMedia =
+  navigator.mediaDevices.getDisplayMedia;
+
+const getAudioDevice = async (nameOfAudioDevice) => {
+  await navigator.mediaDevices.getUserMedia({
+    audio: true,
+  });
+  let devices = await navigator.mediaDevices.enumerateDevices();
+  let audioDevice = devices.find(({ label }) => label === nameOfAudioDevice);
+  return audioDevice;
+};
+
+const getDisplayMedia = async (...args) => {
+  var id;
+  try {
+    let myDiscordAudioSink = await getAudioDevice(
+      "discord-screenaudio-virtmic"
+    );
+    id = myDiscordAudioSink.deviceId;
+  } catch (error) {
+    id = "default";
+  }
+  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: id,
+      },
+      // 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(...args);
+  gdm.addTrack(track);
+  return gdm;
+};
+navigator.mediaDevices.getDisplayMedia = getDisplayMedia;