private int method_0(Class48 class480, long long6)
{
if (long6 > 0L)
{
long6 += _long0;
}
while (long6 <= 0L || _long0 < long6)
{
var num = _class520.method_3(class480);
if (num < 0)
{
_long0 -= num;
}
else
{
if (num != 0)
{
var result = (int)_long0;
_long0 += num;
return(result);
}
if (long6 == 0L)
{
return(Int6);
}
var num2 = method_7();
if (num2 == 0)
{
return(Int7);
}
if (num2 < 0)
{
return(Int9);
}
}
}
return(Int6);
}
private int method_11()
{
var oggClass5 = new OggClass5();
var class47 = new Class47();
var @class = new Class48();
var array = new int[1];
var num = method_2(oggClass5, class47, array, null);
var num2 = array[0];
var int_ = (int)_long0;
_class560.method_2();
if (num == -1)
{
return(-1);
}
_bool0 = true;
smethod_0(FileStream, 0L, Int5);
_long0 = smethod_1(FileStream);
var num3 = _long0;
num3 = method_1(@class);
if (@class.method_5() != num2)
{
if (method_13(0L, 0L, num3 + 1L, num2, 0) < 0)
{
method_22();
return(Int9);
}
}
else if (method_13(0L, num3, num3 + 1L, num2, 0) < 0)
{
method_22();
return(Int9);
}
method_3(oggClass5, class47, int_);
return(method_17(0));
}
private int method_1(Class48 class480)
{
var num = _long0;
var num2 = -1;
int num3;
while (num2 == -1)
{
num -= Int2;
if (num < 0L)
{
num = 0L;
}
method_8(num);
while (_long0 < num + Int2)
{
num3 = method_0(class480, num + Int2 - _long0);
if (num3 == Int9)
{
return(Int9);
}
if (num3 < 0)
{
break;
}
num2 = num3;
}
}
method_8(num2);
num3 = method_0(class480, Int2);
if (num3 < 0)
{
return(Int10);
}
return(num2);
}
public int method_3(Class48 class481)
{
var num = _int2;
var num2 = _int1 - _int2;
if (_int4 == 0)
{
if (num2 < 27)
{
return(0);
}
if (Byte0[num] == 79 && Byte0[num + 1] == 103 && Byte0[num + 2] == 103)
{
if (Byte0[num + 3] == 83)
{
var num3 = (Byte0[num + 26] & 255) + 27;
if (num2 < num3)
{
return(0);
}
for (var i = 0; i < (Byte0[num + 26] & 255); i++)
{
_int5 += Byte0[num + 27 + i] & 255;
}
_int4 = num3;
goto IL_11E;
}
}
_int4 = 0;
_int5 = 0;
var num4 = 0;
for (var j = 0; j < num2 - 1; j++)
{
if (Byte0[num + 1 + j] == 79)
{
num4 = num + 1 + j;
goto IL_108;
}
}
IL_108:
if (num4 == 0)
{
num4 = _int1;
}
_int2 = num4;
return(-(num4 - num));
}
IL_11E:
if (_int5 + _int4 > num2)
{
return(0);
}
lock (_byte1)
{
Buffer.BlockCopy(Byte0, num + 22, _byte1, 0, 4);
Byte0[num + 22] = 0;
Byte0[num + 23] = 0;
Byte0[num + 24] = 0;
Byte0[num + 25] = 0;
var @class = _class480;
@class.Byte0 = Byte0;
@class.Int0 = num;
@class.Int1 = _int4;
@class.Byte1 = Byte0;
@class.Int2 = num + _int4;
@class.Int3 = _int5;
@class.method_7();
if (_byte1[0] == Byte0[num + 22] && _byte1[1] == Byte0[num + 23] && _byte1[2] == Byte0[num + 24])
{
if (_byte1[3] == Byte0[num + 25])
{
goto IL_2B0;
}
}
Buffer.BlockCopy(_byte1, 0, Byte0, num + 22, 4);
_int4 = 0;
_int5 = 0;
var num4 = 0;
for (var k = 0; k < num2 - 1; k++)
{
if (Byte0[num + 1 + k] == 79)
{
num4 = num + 1 + k;
goto IL_28C;
}
}
IL_28C:
if (num4 == 0)
{
num4 = _int1;
}
_int2 = num4;
return(-(num4 - num));
}
IL_2B0:
num = _int2;
if (class481 != null)
{
class481.Byte0 = Byte0;
class481.Int0 = num;
class481.Int1 = _int4;
class481.Byte1 = Byte0;
class481.Int2 = num + _int4;
class481.Int3 = _int5;
}
_int3 = 0;
_int2 += (num2 = _int4 + _int5);
_int4 = 0;
_int5 = 0;
return(num2);
}
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);
}
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);
}
private int method_13(long long6, long long7, long long8, int int24, int int25)
{
var num = long8;
var long9 = long8;
var @class = new Class48();
int num3;
while (long7 < num)
{
long num2;
if (num - long7 < Int2)
{
num2 = long7;
}
else
{
num2 = (long7 + num) / 2L;
}
method_8(num2);
num3 = method_0(@class, -1L);
if (num3 == Int9)
{
return(Int9);
}
if (num3 >= 0)
{
if (@class.method_5() == int24)
{
long7 = num3 + @class.Int1 + @class.Int3;
continue;
}
}
num = num2;
if (num3 >= 0)
{
long9 = num3;
}
}
method_8(long9);
num3 = method_0(@class, -1L);
if (num3 == Int9)
{
return(Int9);
}
if (long7 < long8)
{
if (num3 != -1)
{
num3 = method_13(long9, _long0, long8, @class.method_5(), int25 + 1);
if (num3 == Int9)
{
return(Int9);
}
goto IL_FF;
}
}
_int20 = int25 + 1;
_long1 = new long[int25 + 2];
_long1[int25 + 1] = long7;
IL_FF:
_long1[int25] = long6;
return(0);
}
private int method_6(int int24)
{
var @class = new Class48();
Class67 class2;
long num2;
while (true)
{
if (_bool1)
{
class2 = new Class67();
var num = _class560.method_5(class2);
if (num > 0)
{
num2 = class2.Long0;
if (_oggClass6.method_2(class2) == 0)
{
goto Block_11;
}
}
}
if (int24 == 0)
{
return(0);
}
if (method_0(@class, -1L) < 0)
{
return(0);
}
_float0 += @class.Int1 << 3;
if (_bool1 && _int22 != @class.method_5())
{
method_5();
}
if (!_bool1)
{
if (_bool0)
{
_int22 = @class.method_5();
var num3 = 0;
while (num3 < _int20 && _int21[num3] != _int22)
{
num3++;
}
if (num3 == _int20)
{
break;
}
_int23 = num3;
_class560.method_1(_int22);
_class560.method_7();
}
else
{
var array = new int[1];
var num4 = method_2(_oggClass5[0], _class470[0], array, @class);
_int22 = array[0];
if (num4 != 0)
{
return(num4);
}
_int23++;
}
method_4();
}
_class560.method_6(@class);
}
return(-1);
Block_11:
var num5 = _oggClass1.method_3();
_oggClass1.method_2(_oggClass6);
_float1 += _oggClass1.method_3() - num5;
_float0 += class2.Int1 * 8;
if (num2 != -1L && class2.Int3 == 0)
{
var num6 = _bool0 ? _int23 : 0;
var num7 = _oggClass1.method_3();
num2 -= num7;
for (var i = 0; i < num6; i++)
{
num2 += _long3[i];
}
_long4 = num2;
}
return(1);
}
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;
}
}
private int method_2(OggClass5 oggClass5, Class47 class471, int[] int24, Class48 class480)
{
var @class = new Class48();
var class67 = new Class67();
if (class480 == null)
{
var num = method_0(@class, Int2);
if (num == Int9)
{
return(Int9);
}
if (num < 0)
{
return(Int13);
}
class480 = @class;
}
if (int24 != null)
{
int24[0] = class480.method_5();
}
_class560.method_1(class480.method_5());
oggClass5.method_0();
class471.method_0();
var i = 0;
while (i < 3)
{
_class560.method_6(class480);
while (i < 3)
{
var num2 = _class560.method_5(class67);
if (num2 == 0)
{
break;
}
if (num2 == -1)
{
Console.Error.WriteLine("Corrupt header in logical bitstream.");
oggClass5.method_1();
class471.method_2();
_class560.method_2();
return(-1);
}
if (oggClass5.method_4(class471, class67) != 0)
{
Console.Error.WriteLine("Illegal header in logical bitstream.");
oggClass5.method_1();
class471.method_2();
_class560.method_2();
return(-1);
}
i++;
}
if (i < 3 && method_0(class480, 1L) < 0)
{
Console.Error.WriteLine("Missing header in logical bitstream.");
oggClass5.method_1();
class471.method_2();
_class560.method_2();
return(-1);
}
}
return(0);
}
