DWORD CdStreamReadSizeReturn=0x156C425;
void _declspec(naked) CdStreamReadSize()
{
	_asm
	{
		xor		eax, eax
		shld	eax, esi, 11
		shl		esi, 11

		push    0
		push	eax
		push	esi

		jmp     CdStreamReadSizeReturn
	}
}

DWORD CdStreamReadSize2Return=0x156C3E7;
void _declspec(naked) CdStreamReadSize2()
{
	_asm
	{
		xor		edx, edx
		shld	edx, esi, 11
		shl		esi, 11

		mov     [ebp+eax+36], esi
		mov     [ebp+eax+40], edx
		mov     eax, [esp+32]

		jmp     CdStreamReadSize2Return
	}
}

HookInstall(0x156C420,(DWORD)CdStreamReadSize);
HookInstall(0x156C3DF,(DWORD)CdStreamReadSize2);

HookInstall jmp E9