50c4330ab1
- Replace static JSON imports with runtime manifest loading in pdf and whisper model modules for compatibility with ESM and bundlers - Refactor Next.js config to clarify compute mode logic and improve worker bundling conditions - Update test imports to use package entrypoints instead of relative paths - Remove redundant whisper alignment/model tests now covered elsewhere or by integration - No breaking changes to public API or model handling logic
34 lines
1.2 KiB
TypeScript
34 lines
1.2 KiB
TypeScript
import { test, expect } from '@playwright/test';
|
|
import { buildGoertzelCoefficients, goertzelPower } from '@openreader/compute-core';
|
|
|
|
function dftPower(samples: Float32Array, k: number): number {
|
|
const n = samples.length;
|
|
let re = 0;
|
|
let im = 0;
|
|
for (let i = 0; i < n; i += 1) {
|
|
const angle = (-2 * Math.PI * k * i) / n;
|
|
re += samples[i] * Math.cos(angle);
|
|
im += samples[i] * Math.sin(angle);
|
|
}
|
|
return (re * re) + (im * im);
|
|
}
|
|
|
|
test.describe('whisper spectral helpers', () => {
|
|
test('goertzel power matches direct DFT for non-power-of-two frame size', () => {
|
|
const frameSize = 400;
|
|
const bins = 201;
|
|
const coeffs = buildGoertzelCoefficients(bins, frameSize);
|
|
const samples = new Float32Array(frameSize);
|
|
for (let i = 0; i < frameSize; i += 1) {
|
|
samples[i] = Math.sin((2 * Math.PI * 37 * i) / frameSize) + (0.2 * Math.cos((2 * Math.PI * 91 * i) / frameSize));
|
|
}
|
|
|
|
const testBins = [0, 7, 37, 91, 150, 200];
|
|
for (const k of testBins) {
|
|
const expected = dftPower(samples, k);
|
|
const actual = goertzelPower(samples, coeffs[k]);
|
|
const rel = Math.abs(actual - expected) / Math.max(1, Math.abs(expected));
|
|
expect(rel).toBeLessThan(1e-5);
|
|
}
|
|
});
|
|
});
|