Zazama / node-id3

import { encodeSize } from "./ID3Util"

export function createId3Data(frames: Buffer) {

    const header = Buffer.alloc(10)

    header.fill(0)

    header.write("ID3", 0)              // File identifier

    header.writeUInt16BE(0x0300, 3)     // Version 2.3.0  --  03 00

    header.writeUInt16BE(0x0000, 5)     // Flags 00

    encodeSize(frames.length).copy(header, 6)

    return Buffer.concat([header, frames])

}