// 
// sub_581C4 from 0x581c4 to 0x5836c (424 bytes)
// 
// 3 xrefs:
// > sub_57F50 @ 0x58168
// > sub_762B0 @ 0x764a4
// > FMOD::ChannelGroup::addGroup @ 0xd20cc
// 
// This function is hookable on this platform!
// 
// Using BromaIDA 8.0.0 @ https://github.com/Stazzical/BromaIDA
// Using bindings at commit ba9f177b at Thu Jul 16 22:52:06 2026 from https://github.com/geode-sdk/bindings
// 

__int64 __fastcall sub_581C4(__int64 a1, _QWORD *a2, char a3, __int64 a4)
{
  unsigned int v4; // w23
  __int64 v7; // x8
  _QWORD *v10; // x9
  _QWORD *v11; // x24
  __int64 v13; // x0
  __int16 v14; // w8
  __int64 v15; // x8
  __int64 v16; // [xsp+0h] [xbp-50h] BYREF
  int v17; // [xsp+8h] [xbp-48h]
  char v18; // [xsp+Ch] [xbp-44h]
  __int64 v19; // [xsp+10h] [xbp-40h] BYREF
  __int64 v20; // [xsp+18h] [xbp-38h] BYREF

  v4 = 31;
  if ( a2 && a2 != (_QWORD *)a1 )
  {
    if ( a2[4] == a1 )
      return 0;
    v7 = *(_QWORD *)(a1 + 8);
    v18 = 0;
    v16 = v7;
    v17 = 2;
    sub_520A0((__int64)&v16);
    v10 = (_QWORD *)a2[48];
    v11 = a2 + 47;
    *v10 = a2[47];
    *(_QWORD *)(a2[47] + 8LL) = v10;
    a2[47] = a2 + 47;
    a2[48] = a2 + 47;
    v4 = sub_59358(a2, 0, &v20);
    if ( v4 )
      goto LABEL_5;
    v13 = a2[4];
    if ( v13 )
    {
      v19 = 0;
      v4 = sub_59358(v13, 4294967293LL, &v19);
      if ( v4 )
        goto LABEL_5;
      v14 = atomic_load((unsigned int *)(v19 + 100));
      if ( (v14 & 0x400) == 0 )
      {
        v4 = sub_CB928(v19, v20, 0, 0);
        if ( v4 )
          goto LABEL_5;
      }
    }
    v15 = *(_QWORD *)(a1 + 408);
    a2[47] = a1 + 400;
    a2[48] = v15;
    *(_QWORD *)(a1 + 408) = v11;
    *(_QWORD *)a2[48] = v11;
    a2[49] = a2;
    v4 = sub_59358(a1, 4294967293LL, &v19);
    if ( v4 )
      goto LABEL_5;
    if ( v20 )
    {
      v4 = sub_59400(v19, v20, a4, 0);
      if ( v4 )
      {
LABEL_5:
        sub_51F94((__int64)&v16);
        return v4;
      }
      if ( (a3 & 1) != 0 )
        sub_57C48((__int64)a2, (_OWORD *)(v19 + 8));
    }
    a2[4] = a1;
    sub_585B0(a2, (*(_DWORD *)(a1 + 72) >> 4) & 1);
    v4 = sub_57CC0((__int64)a2);
    if ( !v4 )
      sub_58828(a2);
    goto LABEL_5;
  }
  return v4;
}