refactor: vendor content as regular files (remove git submodules) so CI builds don't need GitHub auth

vendor/discord-video-stream/src/media/AudioStream.ts

@@ -0,0 +1,18 @@
+import { BaseMediaStream } from "./BaseMediaStream.js";
+import type { WebRtcConnWrapper } from "../client/voice/WebRtcWrapper.js";
+
+export class AudioStream extends BaseMediaStream {
+  private _conn: WebRtcConnWrapper;
+
+  constructor(conn: WebRtcConnWrapper, noSleep = false) {
+    super("audio", noSleep);
+    this._conn = conn;
+  }
+
+  protected override async _sendFrame(
+    frame: Buffer,
+    frametime: number,
+  ): Promise<void> {
+    this._conn.sendAudioFrame(frame, frametime);
+  }
+}