mic sorta working but aweful

public/rust_mic_worklet.js

@@ -0,0 +1,63 @@
+const SAMPLE_RATE = 48000;
+const PACKET_MS = 20;
+const PACKET_FRAMES = PACKET_MS / 1000 * SAMPLE_RATE;
+console.log("Frames per packet:", PACKET_FRAMES);
+
+class RustWorklet extends AudioWorkletProcessor {
+  constructor(options) {
+    super();
+    this.module = options.processorOptions;
+    this.timestamp = null;
+    this.buffer = new Float32Array(PACKET_FRAMES);
+    this.buffer_offset = 0;
+    if (sampleRate != SAMPLE_RATE) {
+      throw Error(`sample rate ${sampleRate} should be ${SAMPLE_RATE}`);
+    }
+
+    console.log('RustWorklet:', this);
+
+  }
+
+  do_send() {
+    const data = {
+      format: 'f32',
+      sampleRate: SAMPLE_RATE,
+      numberOfFrames: this.buffer_offset,
+      numberOfChannels: 1,
+      timestamp: this.timestamp,
+      data: this.buffer.slice(0, this.buffer_offset),
+    };
+    this.port.postMessage(data);
+    this.buffer_offset = 0;    
+    this.timestamp = null;
+   }
+
+  process(inputs) {
+    const input = inputs[0];
+    if (input.length == 0) {
+      return true
+    }
+
+    if (this.timestamp == null) {
+      this.timestamp = currentFrame / SAMPLE_RATE * 1e6;
+    }
+
+    const frames = input[0];
+
+    if (this.buffer_offset + frames.length > this.buffer.length) {
+      // too full, send now
+      this.do_send();
+    }
+
+    this.buffer.set(frames, this.buffer_offset);
+    this.buffer_offset += frames.length;
+
+    if (this.buffer_offset + 128 > this.buffer.length) {
+      // full enough, send now
+      this.do_send();
+    }
+    return true;
+  }
+};
+
+registerProcessor("rust_mic_worklet", RustWorklet);