fanxu1218/qqmusicunlock
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Update qmccache cpp code

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This commit is contained in:
xhacker-zzz 2022-11-24 04:54:48 +08:00
parent e51c7b81b1
commit 986e02f182
2 changed files with 2 additions and 5 deletions
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5
src/QmcWasm/qmc.hpp
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@ -192,10 +192,7 @@ void QmcDecode::DecodeCache()
{ {
for (size_t i = 0; i < blobData.size(); i++) { for (size_t i = 0; i < blobData.size(); i++) {
blobData[i] ^= 0xf4; blobData[i] ^= 0xf4;
if (blobData[i] <= 0x3f) blobData[i] = blobData[i] * 4; blobData[i] = ((blobData[i] & 0b0011_1111) << 2) | (blobData[i] >> 6); // rol 2
else if (blobData[i] <= 0x7f) blobData[i] = (blobData[i] - 0x40) * 4 + 1;
else if (blobData[i] <= 0xbf) blobData[i] = (blobData[i] - 0x80) * 4 + 2;
else blobData[i] = (blobData[i] - 0xc0) * 4 + 3;
} }
} }

2
src/decrypt/qmccache.ts
View File

@ -22,7 +22,7 @@ export async function Decrypt(file: Blob, raw_filename: string, raw_ext: string)
console.log('qmc: using wasm decoder'); console.log('qmc: using wasm decoder');
const qmcDecrypted = await DecryptQmcWasm(buffer, raw_ext); const qmcDecrypted = await DecryptQmcWasm(buffer, raw_ext);
// 若 wasm 失败，降级到 js 再尝试一次 // 若 wasm 失败，使用 js 再尝试一次
if (qmcDecrypted.success) { if (qmcDecrypted.success) {
musicDecoded = qmcDecrypted.data; musicDecoded = qmcDecrypted.data;
console.log('qmc wasm decoder suceeded'); console.log('qmc wasm decoder suceeded');