vesktop-stereo-mic

True stereo Discord voice on macOS/Linux via Vesktop — a Vencord userplugin.
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console-snippet.js (2274B)

      1 // StereoMic — quick-test version. Paste into Vesktop/web-Discord DevTools console
      2 // (Cmd/Ctrl+Opt+I), then LEAVE and REJOIN voice. Feed a stereo source into your input.
      3 // This is the same logic as the plugin (stereoMic/index.ts), for testing before you build.
      4 (() => {
      5   if (window.__stereoMic) { console.log("[StereoMic] already active (reload to re-apply)"); return; }
      6   window.__stereoMic = true;
      7   const BITRATE = 320000; // Opus avg bitrate. Max 510000.
      8 
      9   function munge(sdp, tag) {
     10     if (!sdp || !/opus/i.test(sdp)) return sdp;
     11     const m = sdp.match(/a=rtpmap:(\d+)\s+opus\/48000\/2/i);
     12     if (!m) return sdp;
     13     const pt = m[1], lines = sdp.split(/\r?\n/);
     14     let touched = false;
     15     for (let i = 0; i < lines.length; i++) {
     16       if (lines[i].startsWith(`a=fmtp:${pt} `)) {
     17         let p = lines[i].slice(`a=fmtp:${pt} `.length);
     18         const set = (k, v) => { p = new RegExp(`${k}=[^;]*`).test(p)
     19           ? p.replace(new RegExp(`${k}=[^;]*`), `${k}=${v}`) : p + `;${k}=${v}`; };
     20         set("stereo", 1); set("sprop-stereo", 1); set("maxaveragebitrate", BITRATE);
     21         lines[i] = `a=fmtp:${pt} ${p}`; touched = true;
     22       }
     23     }
     24     if (touched) console.log("[StereoMic] munged " + tag + " (pt " + pt + ")");
     25     return lines.join("\r\n");
     26   }
     27 
     28   for (const name of ["setLocalDescription", "setRemoteDescription"]) {
     29     const orig = RTCPeerConnection.prototype[name];
     30     RTCPeerConnection.prototype[name] = function (desc, ...r) {
     31       try {
     32         if (desc && desc.sdp) {
     33           const sdp = munge(desc.sdp, name);
     34           desc = (typeof desc.toJSON === "function") ? { type: desc.type, sdp } : Object.assign({}, desc, { sdp });
     35         }
     36       } catch (e) { console.warn("[StereoMic] munge err", e); }
     37       return orig.call(this, desc, ...r);
     38     };
     39   }
     40 
     41   const md = navigator.mediaDevices, gum = md.getUserMedia.bind(md);
     42   md.getUserMedia = function (c) {
     43     if (c && c.audio) {
     44       const a = (typeof c.audio === "object") ? Object.assign({}, c.audio) : {};
     45       a.channelCount = 2; a.echoCancellation = false; a.noiseSuppression = false; a.autoGainControl = false;
     46       c = Object.assign({}, c, { audio: a });
     47     }
     48     return gum(c);
     49   };
     50   console.log("[StereoMic] console patch active — leave & rejoin voice.");
     51 })();