Function at 0x477de0
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 0x477efd
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.004c89b0
add esp, 0xc
test eax, eax
jne 0x477efd
mov eax, dword [esi + 4]
mov edi, 0x6340a4
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 0x6340a4
push esi
call fcn.004c89b0
add esp, 0xc
test eax, eax
jne 0x477efd
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.004c89b0
add esp, 0xc
test eax, eax
jne 0x477e83
test esi, esi
lea ebx, [edi + 8]
jne 0x477eba
jmp 0x477ea2
push 4
push 0x634094
push edi
call fcn.004c89b0
add esp, 0xc
test eax, eax
jne 0x477ea2
mov ebp, dword [esp + 0x1c]
lea esi, [edi + 8]
test ebx, ebx
jne 0x477ebe
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 0x477e5f
test ebx, ebx
je 0x477efd
test esi, esi
je 0x477efd
test ebp, ebp
jbe 0x477efd
push 0x4c
call fcn.004ecc5a
mov dword [esp + 0x24], eax
mov dword [eax + 8], ebp
mov edx, dword [esp + 0x24]
mov eax, dword [edx + 8]
push eax
call fcn.004c9d77
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 0x477f07
push eax
call fcn.004ecc83
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.00477bd0
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 0x478410
push eax
add eax, 4
push ebx
push eax
call fcn.00477c40
mov eax, dword [esp + 0x30]
add esp, 0x10
mov edi, 4
lea edx, [eax + 0x24]
push edx
push edi
push eax
push 0x4781c0
push 0
push 0
call dword [sym.imp.KERNEL32.dll_CreateThread]
mov ecx, dword [esp + 0x20]
push 0x65cd68
mov dword [ecx + 0x20], eax
call dword [sym.imp.KERNEL32.dll_EnterCriticalSection]
mov eax, dword [0x65cd88]
mov edx, dword [0x65cd8c]
sub edx, eax
mov esi, eax
sar edx, 2
cmp edx, 1
jae 0x4780e3
mov edx, dword [0x65cd84]
test edx, edx
je 0x478012
mov ecx, eax
sub ecx, edx
sar ecx, 2
cmp ecx, 1
jbe 0x478012
mov ecx, eax
sub ecx, edx
sar ecx, 2
jmp 0x478017
mov ecx, 1
test edx, edx
jne 0x47801f
xor eax, eax
jmp 0x478024
sub eax, edx
sar eax, 2
add eax, ecx
test eax, eax
mov dword [esp + 0x1c], eax
jge 0x478030
xor eax, eax
lea edx, [eax*4]
push edx
call fcn.004ecc5a
mov edi, dword [0x65cd84]
add esp, 4
mov ebp, eax
cmp edi, esi
mov ebx, ebp
je 0x478062
push edi
push ebx
call fcn.004784b0
add edi, 4
add esp, 8
add ebx, 4
cmp edi, esi
jne 0x47804e
lea eax, [esp + 0x20]
push eax
push ebx
call fcn.004784b0
mov edi, dword [0x65cd88]
add esp, 8
add ebx, 4
cmp esi, edi
je 0x478091
push esi
push ebx
call fcn.004784b0
add esi, 4
add esp, 8
add ebx, 4
cmp esi, edi
jne 0x47807d
mov ecx, dword [0x65cd88]
mov edx, dword [0x65cd84]
push ecx
push edx
mov ecx, 0x65cd80
call fcn.004784a0
mov eax, dword [0x65cd84]
push eax
call fcn.004ecc83
mov ecx, dword [esp + 0x20]
add esp, 4
lea edx, [ebp + ecx*4]
mov ecx, 0x65cd80
mov dword [0x65cd8c], edx
call fcn.00478450
lea eax, [ebp + eax*4 + 4]
mov dword [0x65cd84], ebp
mov dword [0x65cd88], eax
jmp 0x478180
mov ecx, eax
sub ecx, esi
sar ecx, 2
cmp ecx, 1
jae 0x47813d
lea edx, [esi + 4]
mov ecx, 0x65cd80
push edx
push eax
push esi
call fcn.00493ab0
lea eax, [esp + 0x20]
mov edx, 1
push eax
mov eax, dword [0x65cd88]
mov ecx, eax
sub ecx, esi
sar ecx, 2
sub edx, ecx
mov ecx, 0x65cd80
push edx
push eax
call fcn.00493ae0
mov ecx, dword [0x65cd88]
mov eax, esi
cmp esi, ecx
je 0x47817a
mov edx, dword [esp + 0x20]
mov dword [eax], edx
add eax, edi
cmp eax, ecx
jne 0x47812f
jmp 0x47817a
push eax
push eax
add eax, 0xfffffffc
mov ecx, 0x65cd80
push eax
call fcn.00493ab0
mov eax, dword [0x65cd88]
mov ecx, eax
add eax, 0xfffffffc
cmp esi, eax
je 0x478167
sub eax, edi
sub ecx, edi
cmp eax, esi
mov edx, dword [eax]
mov dword [ecx], edx
jne 0x47815b
lea eax, [esi + 4]
cmp esi, eax
je 0x47817a
mov ecx, dword [esp + 0x20]
mov dword [esi], ecx
add esi, edi
cmp esi, eax
jne 0x47816e
add dword [0x65cd88], edi
push 0x65cd68
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