initialize Electron desktop app and remove unused files

2026-10-25 01:09:01 +08:00
commit 01d9e301fc
877 changed files with 262513 additions and 0 deletions
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+import { describe, expect, it } from 'vitest'
+import {
+  decodeMcuImaAdpcm,
+  encodeMcuImaAdpcm,
+} from '../../packages/server/src/services/hermes/mcu-adpcm'
+
+function pcmBuffer(samples: number[]): Buffer {
+  const pcm = Buffer.alloc(samples.length * 2)
+  samples.forEach((sample, index) => pcm.writeInt16LE(sample, index * 2))
+  return pcm
+}
+
+describe('MCU IMA-ADPCM', () => {
+  it('round-trips mono PCM with the expected HADP framing', () => {
+    const pcm = pcmBuffer([0, 1200, 2400, 1000, -500, -2200, -800, 300, 1500])
+    const encoded = encodeMcuImaAdpcm(pcm, 16000)
+    const decoded = decodeMcuImaAdpcm(encoded)
+
+    expect(encoded.toString('ascii', 0, 4)).toBe('HADP')
+    expect(encoded.length).toBe(20 + Math.ceil((pcm.length / 2 - 1) / 2))
+    expect(decoded.sampleRate).toBe(16000)
+    expect(decoded.channels).toBe(1)
+    expect(decoded.pcm.length).toBe(pcm.length)
+    expect(decoded.pcm.readInt16LE(0)).toBe(pcm.readInt16LE(0))
+  })
+
+  it('rejects truncated HADP chunks before allocating decoded PCM', () => {
+    const encoded = encodeMcuImaAdpcm(pcmBuffer([0, 1000, 2000, 3000]), 16000)
+
+    expect(() => decodeMcuImaAdpcm(encoded.subarray(0, -1))).toThrow('size does not match')
+  })
+})