forked from um/web
15 lines
584 B
TypeScript
15 lines
584 B
TypeScript
import { Decrypt as RawDecrypt } from './raw';
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import { GetArrayBuffer } from '@/decrypt/utils';
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import { DecryptResult } from '@/decrypt/entity';
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const TM_HEADER = [0x00, 0x00, 0x00, 0x20, 0x66, 0x74, 0x79, 0x70];
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export async function Decrypt(file: File, raw_filename: string): Promise<DecryptResult> {
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const audioData = new Uint8Array(await GetArrayBuffer(file));
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for (let cur = 0; cur < 8; ++cur) {
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audioData[cur] = TM_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(musicData, raw_filename, 'm4a', false);
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}
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