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Add Tag Edit Function & Wasm for Qmc & Kgm

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xhacker-zzz
2022-11-20 22:30:56 +08:00
parent 97cd7afc44
commit de14ccb0b3
24 changed files with 699 additions and 120 deletions
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15
src/decrypt/qmc.ts
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@@ -3,7 +3,7 @@ import { AudioMimeType, GetArrayBuffer, SniffAudioExt } from '@/decrypt/utils';
import { DecryptResult } from '@/decrypt/entity';
import { QmcDeriveKey } from '@/decrypt/qmc_key';
import { DecryptQMCWasm } from '@/decrypt/qmc_wasm';
import { DecryptQmcWasm } from '@/decrypt/qmc_wasm';
import { extractQQMusicMeta } from '@/utils/qm_meta';
interface Handler {
@@ -24,9 +24,9 @@ export const HandlerMap: { [key: string]: Handler } = {
qmcflac: { ext: 'flac', version: 2 },
qmcogg: { ext: 'ogg', version: 2 },
qmc0: { ext: 'mp3', version: 1 },
qmc2: { ext: 'ogg', version: 1 },
qmc3: { ext: 'mp3', version: 1 },
qmc0: { ext: 'mp3', version: 2 },
qmc2: { ext: 'ogg', version: 2 },
qmc3: { ext: 'mp3', version: 2 },
bkcmp3: { ext: 'mp3', version: 1 },
bkcflac: { ext: 'flac', version: 1 },
tkm: { ext: 'm4a', version: 1 },
@@ -49,13 +49,14 @@ export async function Decrypt(file: Blob, raw_filename: string, raw_ext: string)
if (version === 2 && globalThis.WebAssembly) {
console.log('qmc: using wasm decoder');
const v2Decrypted = await DecryptQMCWasm(fileBuffer);
const v2Decrypted = await DecryptQmcWasm(fileBuffer, raw_ext);
// 若 v2 检测失败，降级到 v1 再尝试一次
if (v2Decrypted.success) {
musicDecoded = v2Decrypted.data;
musicID = v2Decrypted.songId;
console.log('qmc wasm decoder suceeded');
} else {
console.warn('qmc2-wasm failed with error %s', v2Decrypted.error || '(no error)');
console.warn('QmcWasm failed with error %s', v2Decrypted.error || '(no error)');
}
}
@@ -151,7 +152,7 @@ export class QmcDecoder {
} else {
const sizeView = new DataView(last4Byte.buffer, last4Byte.byteOffset);
const keySize = sizeView.getUint32(0, true);
if (keySize < 0x300) {
if (keySize < 0x400) {
this.audioSize = this.size - keySize - 4;
const rawKey = this.file.subarray(this.audioSize, this.size - 4);
this.setCipher(rawKey);