Function at 0x543220
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 0x54333d
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.005e0180
add esp, 0xc
test eax, eax
jne 0x54333d
mov eax, dword [esi + 4]
mov edi, 0xb0d3b4
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 0xb0d3b4
push esi
call fcn.005e0180
add esp, 0xc
test eax, eax
jne 0x54333d
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.005e0180
add esp, 0xc
test eax, eax
jne 0x5432c3
test esi, esi
lea ebx, [edi + 8]
jne 0x5432fa
jmp 0x5432e2
push 4
push 0xb0d3a4
push edi
call fcn.005e0180
add esp, 0xc
test eax, eax
jne 0x5432e2
mov ebp, dword [esp + 0x1c]
lea esi, [edi + 8]
test ebx, ebx
jne 0x5432fe
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 0x54329f
test ebx, ebx
je 0x54333d
test esi, esi
je 0x54333d
test ebp, ebp
jbe 0x54333d
push 0x4c
call fcn.005f3f46
mov dword [esp + 0x24], eax
mov dword [eax + 8], ebp
mov edx, dword [esp + 0x24]
mov eax, dword [edx + 8]
push eax
call fcn.005e1557
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 0x543347
push eax
call fcn.005f3f6f
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.00543010
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 0x543850
push eax
add eax, 4
push ebx
push eax
call fcn.00543080
mov eax, dword [esp + 0x30]
add esp, 0x10
mov edi, 4
lea edx, [eax + 0x24]
push edx
push edi
push eax
push 0x543600
push 0
push 0
call dword [sym.imp.KERNEL32.dll_CreateThread]
mov ecx, dword [esp + 0x20]
push 0xb31c20
mov dword [ecx + 0x20], eax
call dword [sym.imp.KERNEL32.dll_EnterCriticalSection]
mov eax, dword [0xb31c40]
mov edx, dword [0xb31c44]
sub edx, eax
mov esi, eax
sar edx, 2
cmp edx, 1
jae 0x543523
mov edx, dword [0xb31c3c]
test edx, edx
je 0x543452
mov ecx, eax
sub ecx, edx
sar ecx, 2
cmp ecx, 1
jbe 0x543452
mov ecx, eax
sub ecx, edx
sar ecx, 2
jmp 0x543457
mov ecx, 1
test edx, edx
jne 0x54345f
xor eax, eax
jmp 0x543464
sub eax, edx
sar eax, 2
add eax, ecx
test eax, eax
mov dword [esp + 0x1c], eax
jge 0x543470
xor eax, eax
lea edx, [eax*4]
push edx
call fcn.005f3f46
mov edi, dword [0xb31c3c]
add esp, 4
mov ebp, eax
cmp edi, esi
mov ebx, ebp
je 0x5434a2
push edi
push ebx
call fcn.00589960
add edi, 4
add esp, 8
add ebx, 4
cmp edi, esi
jne 0x54348e
lea eax, [esp + 0x20]
push eax
push ebx
call fcn.00589960
mov edi, dword [0xb31c40]
add esp, 8
add ebx, 4
cmp esi, edi
je 0x5434d1
push esi
push ebx
call fcn.00589960
add esi, 4
add esp, 8
add ebx, 4
cmp esi, edi
jne 0x5434bd
mov ecx, dword [0xb31c40]
mov edx, dword [0xb31c3c]
push ecx
push edx
mov ecx, 0xb31c38
call fcn.00530f30
mov eax, dword [0xb31c3c]
push eax
call fcn.005f3f6f
mov ecx, dword [esp + 0x20]
add esp, 4
lea edx, [ebp + ecx*4]
mov ecx, 0xb31c38
mov dword [0xb31c44], edx
call fcn.00589210
lea eax, [ebp + eax*4 + 4]
mov dword [0xb31c3c], ebp
mov dword [0xb31c40], eax
jmp 0x5435c0
mov ecx, eax
sub ecx, esi
sar ecx, 2
cmp ecx, 1
jae 0x54357d
lea edx, [esi + 4]
mov ecx, 0xb31c38
push edx
push eax
push esi
call fcn.00580460
lea eax, [esp + 0x20]
mov edx, 1
push eax
mov eax, dword [0xb31c40]
mov ecx, eax
sub ecx, esi
sar ecx, 2
sub edx, ecx
mov ecx, 0xb31c38
push edx
push eax
call fcn.005894e0
mov ecx, dword [0xb31c40]
mov eax, esi
cmp esi, ecx
je 0x5435ba
mov edx, dword [esp + 0x20]
mov dword [eax], edx
add eax, edi
cmp eax, ecx
jne 0x54356f
jmp 0x5435ba
push eax
push eax
add eax, 0xfffffffc
mov ecx, 0xb31c38
push eax
call fcn.00580460
mov eax, dword [0xb31c40]
mov ecx, eax
add eax, 0xfffffffc
cmp esi, eax
je 0x5435a7
sub eax, edi
sub ecx, edi
cmp eax, esi
mov edx, dword [eax]
mov dword [ecx], edx
jne 0x54359b
lea eax, [esi + 4]
cmp esi, eax
je 0x5435ba
mov ecx, dword [esp + 0x20]
mov dword [esi], ecx
add esi, edi
cmp esi, eax
jne 0x5435ae
add dword [0xb31c40], edi
push 0xb31c20
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