From 20c1b014fe502370edc733a6d8a756c9c1602f85 Mon Sep 17 00:00:00 2001
From: MetaMuffin <metamuffin@yandex.com>
Date: Fri, 6 Aug 2021 14:08:51 +0200
Subject: updated readme, implemented rnnoise, added parameters

---
 source/client/rnnoise.ts | 45 +++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 45 insertions(+)
 create mode 100644 source/client/rnnoise.ts

(limited to 'source/client/rnnoise.ts')

diff --git a/source/client/rnnoise.ts b/source/client/rnnoise.ts
new file mode 100644
index 0000000..6bd632e
--- /dev/null
+++ b/source/client/rnnoise.ts
@@ -0,0 +1,45 @@
+import { log } from "./logger"
+
+declare global {
+    class RNNoiseNode extends AudioWorkletNode {
+        static register(context: AudioContext): Promise<void>
+        constructor(context: AudioContext)
+        onstatus: (data: any) => void
+        update(something: boolean): void
+    }
+}
+
+
+export async function rnnoise_track(track: MediaStreamTrack): Promise<MediaStreamTrack> {
+    log("misc", "rnnoise enabled")
+    const context = new AudioContext({ sampleRate: 48000 })
+    //@ts-ignore
+    let RNNoiseNode: typeof RNNoiseNode = window.RNNoiseNode;
+    
+    let script: HTMLScriptElement;
+    if (!RNNoiseNode) {
+        log("misc", "loading rnnoise...")
+        script = document.createElement("script")
+        script.src = "/static/rnnoise/rnnoise-runtime.js"
+        script.defer = true
+        document.head.appendChild(script)
+        //@ts-ignore
+        while (!window.RNNoiseNode) await new Promise<void>(r => setTimeout(() => r(), 100))
+        //@ts-ignore
+        RNNoiseNode = window.RNNoiseNode;
+        log("misc", "rnnoise loaded")
+    }
+
+    await RNNoiseNode.register(context)
+    const source_stream = new MediaStream()
+    source_stream.addTrack(track)
+    const source = context.createMediaStreamSource(source_stream)
+    const destination = context.createMediaStreamDestination()
+    const rnnoise = new RNNoiseNode(context)
+    source.connect(rnnoise)
+    rnnoise.connect(destination)
+    // rnnoise.onstatus = console.log
+    // rnnoise.update(true)
+
+    return destination.stream.getAudioTracks()[0]
+}
\ No newline at end of file
-- 
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