@audio/caf-decode

caf-decode

Decode Core Audio Format (CAF) audio to PCM float samples.

Part of audio-decode.

Install

npm i @audio/caf-decode

Usage

import decode from '@audio/caf-decode'

let { channelData, sampleRate } = await decode(cafBuffer)

Streaming

import { decoder } from '@audio/caf-decode'

let dec = await decoder()
let result = dec.decode(chunk)
dec.free()

API

decode(src): Promise<AudioData>

Whole-file decode. Accepts Uint8Array or ArrayBuffer.

decoder(): Promise<CAFDecoder>

Creates a decoder instance.

• dec.decode(data) — decode chunk, returns { channelData, sampleRate }
• dec.flush() — flush (returns empty — CAF is stateless)
• dec.free() — release resources

Formats

• lpcm — 8, 16, 24, 32-bit signed integer (LE/BE), 32/64-bit float (LE/BE)
• alaw — G.711 A-law
• ulaw — G.711 mu-law

License

MIT

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