init

2026-10-24 14:03:52 +07:00
commit 4fe046de58
4790 changed files with 311146 additions and 0 deletions
@@ -0,0 +1,61 @@
+class MovimJingleSessionAudioWorklet extends AudioWorkletProcessor {
+    static BUFFER_SIZE = 128 * 128;
+
+    constructor() {
+        super();
+        this.isMuteStep = 0;
+        this.remoteMaxLevel = 0;
+        this.buffer = new Float32Array(MovimJingleSessionAudioWorklet.BUFFER_SIZE);
+        this.offset = 0;
+    }
+
+    process(inputList, _outputList, _parameters) {
+        const input = inputList[0][0];
+
+        if (input != undefined) {
+            for (let i = 0; i < input.length; i++) {
+                this.buffer[i + this.offset] = input[i];
+            }
+
+            this.offset += input.length;
+
+            if (this.offset >= this.buffer.length - 1) {
+                this.flush();
+            }
+
+            return true;
+        }
+    }
+
+    flush() {
+        this.offset = 0;
+
+        var instant = 0.0;
+        var sum = 0.0;
+
+        for (var i = 0; i < this.buffer.length; ++i) {
+            sum += this.buffer[i] * this.buffer[i];
+        }
+
+        instant = Math.sqrt(sum / this.buffer.length);
+        this.remoteMaxLevel = Math.max(this.remoteMaxLevel, instant);
+
+        var base = (instant / this.remoteMaxLevel);
+        var level = (base > 0.05) ? base ** .3 : 0;
+
+        // Fallback in case we don't have the proper signalisation
+        if (level == 0) {
+            this.isMuteStep++;
+        } else {
+            this.isMuteStep = 0;
+        }
+
+        this.port.postMessage({
+            "isMuteStep": this.isMuteStep,
+            "level": level.toFixed(2),
+            "published": Date.now()
+        });
+    }
+}
+
+registerProcessor('jinglesession-audioworklet', MovimJingleSessionAudioWorklet);