Function at 0x491fe0
Capabilities:
Create thread
Resume thread

Disassembly:
mov eax, dword [esp + 8]
sub esp, 8
cmp eax, 0x24
push ebx
push ebp
push esi
push edi
jl 0x4920fd
mov edi, str.RIFF
or ecx, 0xffffffff
xor eax, eax
mov esi, dword [esp + 0x1c]
repne scasb al, byte es:[edi]
not ecx
dec ecx
push ecx
push str.RIFF
push esi
call fcn.004b1f00
add esp, 0xc
test eax, eax
jne 0x4920fd
mov eax, dword [esi + 4]
mov edi, str.WAVE
mov dword [esp + 0x14], eax
or ecx, 0xffffffff
xor eax, eax
add esi, 8
repne scasb al, byte es:[edi]
not ecx
dec ecx
push ecx
push str.WAVE
push esi
call fcn.004b1f00
add esp, 0xc
test eax, eax
jne 0x4920fd
mov ecx, dword [esp + 0x1c]
xor ebx, ebx
xor esi, esi
xor ebp, ebp
lea edi, [ecx + 0xc]
mov dword [esp + 0x10], edi
mov edx, dword [edi + 4]
push 4
push str.fmt
push edi
mov dword [esp + 0x28], edx
call fcn.004b1f00
add esp, 0xc
test eax, eax
jne 0x492083
test esi, esi
lea ebx, [edi + 8]
jne 0x4920ba
jmp 0x4920a2
push 4
push str.data
push edi
call fcn.004b1f00
add esp, 0xc
test eax, eax
jne 0x4920a2
mov ebp, dword [esp + 0x1c]
lea esi, [edi + 8]
test ebx, ebx
jne 0x4920be
mov eax, dword [esp + 0x1c]
mov edx, dword [esp + 0x10]
lea edi, [edi + eax + 8]
mov eax, dword [esp + 0x14]
mov ecx, edi
sub ecx, edx
cmp ecx, eax
jb 0x49205f
test ebx, ebx
je 0x4920fd
test esi, esi
je 0x4920fd
test ebp, ebp
jbe 0x4920fd
push 0x4c
call fcn.004c2e1a
mov dword [esp + 0x24], eax
mov dword [eax + 8], ebp
mov edx, dword [esp + 0x24]
mov eax, dword [edx + 8]
push eax
call fcn.004b3357
mov ecx, dword [esp + 0x28]
add esp, 8
mov dword [ecx], eax
mov eax, dword [esp + 0x20]
mov edi, dword [eax]
test edi, edi
jne 0x492107
push eax
call fcn.004c2e43
add esp, 4
pop edi
pop esi
pop ebp
xor eax, eax
pop ebx
add esp, 8
ret
mov ecx, ebp
push 0x14
mov edx, ecx
push 0x3c00
shr ecx, 2
rep movsd dword es:[edi], dword [esi]
mov ecx, edx
and ecx, 3
rep movsb byte es:[edi], byte [esi]
mov eax, dword [esp + 0x28]
mov ecx, dword [esp + 0x2c]
mov dword [eax + 0x48], ecx
mov edx, dword [esp + 0x28]
mov dword [edx + 0x1c], 0
call fcn.00491dd0
mov ecx, dword [esp + 0x28]
add esp, 8
push 0
push 0
push 1
push 0
mov dword [ecx + 0xc], eax
call dword [sym.imp.KERNEL32.dll_CreateEventA]
mov edx, dword [esp + 0x20]
push 0
push 0x14
push 0x14
push 0
mov dword [edx + 0x2c], eax
call dword [sym.imp.KERNEL32.dll_CreateSemaphoreA]
mov ecx, dword [esp + 0x20]
mov dword [ecx + 0x28], eax
mov edx, dword [esp + 0x20]
mov dword [edx + 0x14], 0
mov eax, dword [esp + 0x20]
mov dword [eax + 0x10], 0x14
mov ecx, dword [esp + 0x20]
add ecx, 0x30
push ecx
call dword [sym.imp.KERNEL32.dll_InitializeCriticalSection]
mov eax, dword [esp + 0x20]
push 0x492610
push eax
add eax, 4
push ebx
push eax
call fcn.00491e40
mov eax, dword [esp + 0x30]
add esp, 0x10
mov edi, 4
lea edx, [eax + 0x24]
push edx
push edi
push eax
push 0x4923c0
push 0
push 0
call dword [sym.imp.KERNEL32.dll_CreateThread]
mov ecx, dword [esp + 0x20]
push 0x6aca70
mov dword [ecx + 0x20], eax
call dword [sym.imp.KERNEL32.dll_EnterCriticalSection]
mov eax, dword [0x6aca90]
mov edx, dword [0x6aca94]
sub edx, eax
mov esi, eax
sar edx, 2
cmp edx, 1
jae 0x4922e3
mov edx, dword [0x6aca8c]
test edx, edx
je 0x492212
mov ecx, eax
sub ecx, edx
sar ecx, 2
cmp ecx, 1
jbe 0x492212
mov ecx, eax
sub ecx, edx
sar ecx, 2
jmp 0x492217
mov ecx, 1
test edx, edx
jne 0x49221f
xor eax, eax
jmp 0x492224
sub eax, edx
sar eax, 2
add eax, ecx
test eax, eax
mov dword [esp + 0x1c], eax
jge 0x492230
xor eax, eax
lea edx, [eax*4]
push edx
call fcn.004c2e1a
mov edi, dword [0x6aca8c]
add esp, 4
mov ebp, eax
cmp edi, esi
mov ebx, ebp
je 0x492262
push edi
push ebx
call fcn.004926e0
add edi, 4
add esp, 8
add ebx, 4
cmp edi, esi
jne 0x49224e
lea eax, [esp + 0x20]
push eax
push ebx
call fcn.004926e0
mov edi, dword [0x6aca90]
add esp, 8
add ebx, 4
cmp esi, edi
je 0x492291
push esi
push ebx
call fcn.004926e0
add esi, 4
add esp, 8
add ebx, 4
cmp esi, edi
jne 0x49227d
mov ecx, dword [0x6aca90]
mov edx, dword [0x6aca8c]
push ecx
push edx
mov ecx, 0x6aca88
call fcn.00492670
mov eax, dword [0x6aca8c]
push eax
call fcn.004c2e43
mov ecx, dword [esp + 0x20]
add esp, 4
lea edx, [ebp + ecx*4]
mov ecx, 0x6aca88
mov dword [0x6aca94], edx
call fcn.00492650
lea eax, [ebp + eax*4 + 4]
mov dword [0x6aca8c], ebp
mov dword [0x6aca90], eax
jmp 0x492380
mov ecx, eax
sub ecx, esi
sar ecx, 2
cmp ecx, 1
jae 0x49233d
lea edx, [esi + 4]
mov ecx, 0x6aca88
push edx
push eax
push esi
call fcn.00492680
lea eax, [esp + 0x20]
mov edx, 1
push eax
mov eax, dword [0x6aca90]
mov ecx, eax
sub ecx, esi
sar ecx, 2
sub edx, ecx
mov ecx, 0x6aca88
push edx
push eax
call fcn.004926b0
mov ecx, dword [0x6aca90]
mov eax, esi
cmp esi, ecx
je 0x49237a
mov edx, dword [esp + 0x20]
mov dword [eax], edx
add eax, edi
cmp eax, ecx
jne 0x49232f
jmp 0x49237a
push eax
push eax
add eax, 0xfffffffc
mov ecx, 0x6aca88
push eax
call fcn.00492680
mov eax, dword [0x6aca90]
mov ecx, eax
add eax, 0xfffffffc
cmp esi, eax
je 0x492367
sub eax, edi
sub ecx, edi
cmp eax, esi
mov edx, dword [eax]
mov dword [ecx], edx
jne 0x49235b
lea eax, [esi + 4]
cmp esi, eax
je 0x49237a
mov ecx, dword [esp + 0x20]
mov dword [esi], ecx
add esi, edi
cmp esi, eax
jne 0x49236e
add dword [0x6aca90], edi
push 0x6aca70
call dword [sym.imp.KERNEL32.dll_LeaveCriticalSection]
mov edx, dword [esp + 0x20]
mov eax, dword [edx + 0x20]
push eax
call dword [sym.imp.KERNEL32.dll_ResumeThread]
mov ecx, dword [esp + 0x20]
push 0
push 0x14
mov edx, dword [ecx + 0x28]
push edx
call dword [sym.imp.KERNEL32.dll_ReleaseSemaphore]
pop edi
pop esi
pop ebp
mov eax, 1
pop ebx
add esp, 8
ret