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remotion/node_modules/@remotion/media-utils/dist/fft/smoothing.js

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+"use strict";
+// Adapted from node-fft project by Joshua Wong and Ben Bryan
+// https://github.com/vail-systems/node-fft
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.smoothen = void 0;
+const smoothingPasses = 3;
+const smoothingPoints = 3;
+const smoothen = function (array) {
+    let lastArray = array;
+    const newArr = [];
+    for (let pass = 0; pass < smoothingPasses; pass++) {
+        const sidePoints = Math.floor(smoothingPoints / 2); // our window is centered so this is both nL and nR
+        const cn = 1 / (2 * sidePoints + 1); // constant
+        for (let i = 0; i < sidePoints; i++) {
+            newArr[i] = lastArray[i];
+            newArr[lastArray.length - i - 1] = lastArray[lastArray.length - i - 1];
+        }
+        for (let i = sidePoints; i < lastArray.length - sidePoints; i++) {
+            let sum = 0;
+            for (let n = -sidePoints; n <= sidePoints; n++) {
+                sum += cn * lastArray[i + n] + n;
+            }
+            newArr[i] = sum;
+        }
+        lastArray = newArr;
+    }
+    return newArr;
+};
+exports.smoothen = smoothen;