public int method_18(long long6)
{
var num = method_15(-1);
if (!_bool0)
{
return(-1);
}
if (long6 < 0L || long6 > num)
{
_long4 = -1L;
method_5();
return(-1);
}
int i;
for (i = _int20 - 1; i >= 0; i--)
{
num -= _long3[i];
if (long6 >= num)
{
break;
}
}
var num2 = long6 - num;
var num3 = _long1[i + 1];
var num4 = _long1[i];
var int_ = (int)num4;
var @class = new Class48();
while (num4 < num3)
{
long num5;
if (num3 - num4 < Int2)
{
num5 = num4;
}
else
{
num5 = (num3 + num4) / 2L;
}
method_8(num5);
var num6 = method_0(@class, num3 - num5);
if (num6 == -1)
{
num3 = num5;
}
else
{
var num7 = @class.method_4();
if (num7 < num2)
{
int_ = num6;
num4 = _long0;
}
else
{
num3 = num5;
}
}
}
if (method_17(int_) != 0)
{
_long4 = -1L;
method_5();
return(-1);
}
if (_long4 >= long6)
{
_long4 = -1L;
method_5();
return(-1);
}
if (long6 > method_15(-1))
{
_long4 = -1L;
method_5();
return(-1);
}
while (_long4 < long6)
{
var num8 = (int)(long6 - _long4);
var num9 = _oggClass1.method_3();
if (num9 > num8)
{
num9 = num8;
}
_oggClass1.method_6(num9);
_long4 += num9;
if (num9 < num8 && method_6(1) == 0)
{
_long4 = method_15(-1);
}
}
return(0);
}
public bool method_6(Class48 class480)
{
var array = class480.Byte0;
var num = class480.Int0;
var src = class480.Byte1;
var num2 = class480.Int2;
var num3 = class480.Int3;
var i = 0;
var num4 = class480.method_0();
var num5 = class480.method_1();
var num6 = class480.method_2();
var num7 = class480.method_3();
var num8 = class480.method_4();
var num9 = class480.method_5();
var num10 = class480.method_6();
var num11 = array[num + 26] & 255;
var num12 = _int7;
var num13 = _int2;
if (num13 != 0)
{
_int1 -= num13;
if (_int1 != 0)
{
Buffer.BlockCopy(_byte0, num13, _byte0, 0, _int1);
}
_int2 = 0;
}
if (num12 != 0)
{
if (_int5 - num12 != 0)
{
Buffer.BlockCopy(_int3, num12 << 2, _int3, 0, _int5 - num12 << 2);
Buffer.BlockCopy(_long0, num12 << 3, _long0, 0, _int5 - num12 << 3);
}
_int5 -= num12;
_int6 -= num12;
_int7 = 0;
}
if (num9 != _int11)
{
return(false);
}
if (num4 > 0)
{
return(false);
}
method_4(num11 + 1);
if (num10 != _int12)
{
for (var j = _int6; j < _int5; j++)
{
_int1 -= (_int3[j] & 255);
}
_int5 = _int6;
if (_int12 != -1)
{
_int3[_int5++] = 1024;
_int6++;
}
if (num5 != 0)
{
num6 = 0;
while (i < num11)
{
var num14 = array[num + 27 + i] & 255;
num2 += num14;
num3 -= num14;
if (num14 < 255)
{
i++;
break;
}
i++;
}
}
}
if (num3 != 0)
{
method_3(num3);
Buffer.BlockCopy(src, num2, _byte0, _int1, num3);
_int1 += num3;
}
var num15 = -1;
while (i < num11)
{
var num16 = array[num + 27 + i] & 255;
_int3[_int5] = num16;
_long0[_int5] = -1L;
if (num6 != 0)
{
_int3[_int5] |= 256;
num6 = 0;
}
if (num16 < 255)
{
num15 = _int5;
}
_int5++;
i++;
if (num16 < 255)
{
_int6 = _int5;
}
}
if (num15 != -1)
{
_long0[num15] = num8;
}
if (num7 != 0)
{
Int9 = 1;
if (_int5 > 0)
{
_int3[_int5 - 1] |= 512;
}
}
_int12 = num10 + 1;
return(true);
}
private void method_3(OggClass5 class491, Class47 class471, int int24)
{
var @class = new Class48();
_oggClass5 = new OggClass5[_int20];
_class470 = new Class47[_int20];
_long2 = new long[_int20];
_long3 = new long[_int20];
_int21 = new int[_int20];
var i = 0;
while (i < _int20)
{
if (class491 != null && class471 != null && i == 0)
{
_oggClass5[i] = class491;
_class470[i] = class471;
_long2[i] = int24;
}
else
{
method_8(_long1[i]);
if (method_2(_oggClass5[i], _class470[i], null, null) == -1)
{
Console.Error.WriteLine("Error opening logical bitstream #" + (i + 1) + "\n");
_long2[i] = -1L;
}
else
{
_long2[i] = _long0;
_class560.method_2();
}
}
var long_ = _long1[i + 1];
method_8(long_);
long num2;
while (true)
{
var num = method_1(@class);
if (num == -1)
{
goto Block_6;
}
num2 = @class.method_4();
if (num2 != -1L)
{
goto Block_5;
}
}
IL_189:
i++;
continue;
Block_5:
_int21[i] = @class.method_5();
_long3[i] = num2;
goto IL_189;
Block_6:
Console.Error.WriteLine("Could not find last page of logical bitstream #" + i + "\n");
_oggClass5[i].method_1();
_class470[i].method_2();
goto IL_189;
}
}