15 lines
523 B
JavaScript
15 lines
523 B
JavaScript
const rawDecrypt = require("./raw");
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const util = require("./util");
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export {Decrypt}
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const header = [0x00, 0x00, 0x00, 0x20, 0x66, 0x74, 0x79, 0x70];
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async function Decrypt(file, raw_filename) {
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const fileBuffer = await util.GetArrayBuffer(file);
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const audioData = new Uint8Array(fileBuffer);
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for (let cur = 0; cur < 8; ++cur) {
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audioData[cur] = header[cur];
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}
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const musicData = new Blob([audioData], {type: "audio/mp4"});
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return await rawDecrypt.Decrypt(musicData, raw_filename, "m4a")
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}
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