internal override VorbisFloor.PacketData UnpackPacket(DataPacket packet, int blockSize)
{
VorbisFloor.Floor1.PacketData1 packetData1_1 = new VorbisFloor.Floor1.PacketData1();
packetData1_1.BlockSize = blockSize;
VorbisFloor.Floor1.PacketData1 packetData1_2 = packetData1_1;
if (packet.ReadBit())
{
try
{
int index1 = 2;
int[] numArray = ACache.Get <int>(64);
numArray[0] = (int)packet.ReadBits(this._yBits);
numArray[1] = (int)packet.ReadBits(this._yBits);
for (int index2 = 0; index2 < this._partitionClass.Length; ++index2)
{
int index3 = this._partitionClass[index2];
int num1 = this._classDimensions[index3];
int num2 = this._classSubclasses[index3];
int num3 = (1 << num2) - 1;
uint num4 = 0U;
if (num2 > 0)
{
num4 = (uint)this._classMasterbooks[index3].DecodeScalar(packet);
}
for (int index4 = 0; index4 < num1; ++index4)
{
VorbisCodebook vorbisCodebook = this._subclassBooks[index3][(long)num4 & (long)num3];
num4 >>= num2;
if (vorbisCodebook != null)
{
numArray[index1] = vorbisCodebook.DecodeScalar(packet);
}
++index1;
}
}
packetData1_2.Posts = numArray;
packetData1_2.PostCount = index1;
}
catch (EndOfStreamException ex)
{
}
}
return((VorbisFloor.PacketData)packetData1_2);
}
internal override void Apply(VorbisFloor.PacketData packetData, float[] residue)
{
VorbisFloor.Floor1.PacketData1 data = packetData as VorbisFloor.Floor1.PacketData1;
if (data == null)
{
throw new InvalidDataException("Incorrect packet data!");
}
if (data.Posts == null)
{
return;
}
bool[] buffer = this.UnwrapPosts(data);
int num1 = data.BlockSize / 2;
int x0 = 0;
int num2 = data.Posts[0] * this._multiplier;
for (int index1 = 1; index1 < data.PostCount; ++index1)
{
int index2 = this._sortIdx[index1];
if (buffer[index2])
{
int val1 = this._xList[index2];
int y1 = data.Posts[index2] * this._multiplier;
if (x0 < num1)
{
this.RenderLineMulti(x0, num2, Math.Min(val1, num1), y1, residue);
}
x0 = val1;
num2 = y1;
}
if (x0 >= num1)
{
break;
}
}
ACache.Return <bool>(ref buffer);
if (x0 < num1)
{
this.RenderLineMulti(x0, num2, num1, num2, residue);
}
ACache.Return <int>(ref data.Posts);
}
private bool[] UnwrapPosts(VorbisFloor.Floor1.PacketData1 data)
{
bool[] flagArray = ACache.Get <bool>(data.PostCount, false);
flagArray[0] = true;
flagArray[1] = true;
int[] buffer = ACache.Get <int>(data.PostCount);
buffer[0] = data.Posts[0];
buffer[1] = data.Posts[1];
for (int index1 = 2; index1 < data.PostCount; ++index1)
{
int index2 = this._lNeigh[index1];
int index3 = this._hNeigh[index1];
int num1 = this.RenderPoint(this._xList[index2], buffer[index2], this._xList[index3], buffer[index3], this._xList[index1]);
int num2 = data.Posts[index1];
int num3 = this._range - num1;
int num4 = num1;
int num5 = num3 >= num4 ? num4 * 2 : num3 * 2;
if (num2 != 0)
{
flagArray[index2] = true;
flagArray[index3] = true;
flagArray[index1] = true;
buffer[index1] = num2 < num5 ? (num2 % 2 != 1 ? num1 + num2 / 2 : num1 - (num2 + 1) / 2) : (num3 <= num4 ? num1 - num2 + num3 - 1 : num2 - num4 + num1);
}
else
{
flagArray[index1] = false;
buffer[index1] = num1;
}
}
for (int index = 0; index < data.PostCount; ++index)
{
data.Posts[index] = buffer[index];
}
ACache.Return <int>(ref buffer);
return(flagArray);
}
internal override VorbisFloor.PacketData UnpackPacket(DataPacket packet, int blockSize)
{
VorbisFloor.Floor1.PacketData1 packetData1_1 = new VorbisFloor.Floor1.PacketData1();
packetData1_1.BlockSize = blockSize;
VorbisFloor.Floor1.PacketData1 packetData1_2 = packetData1_1;
if (packet.ReadBit())
{
try
{
int index1 = 2;
int[] numArray = ACache.Get<int>(64);
numArray[0] = (int) packet.ReadBits(this._yBits);
numArray[1] = (int) packet.ReadBits(this._yBits);
for (int index2 = 0; index2 < this._partitionClass.Length; ++index2)
{
int index3 = this._partitionClass[index2];
int num1 = this._classDimensions[index3];
int num2 = this._classSubclasses[index3];
int num3 = (1 << num2) - 1;
uint num4 = 0U;
if (num2 > 0)
num4 = (uint) this._classMasterbooks[index3].DecodeScalar(packet);
for (int index4 = 0; index4 < num1; ++index4)
{
VorbisCodebook vorbisCodebook = this._subclassBooks[index3][(long) num4 & (long) num3];
num4 >>= num2;
if (vorbisCodebook != null)
numArray[index1] = vorbisCodebook.DecodeScalar(packet);
++index1;
}
}
packetData1_2.Posts = numArray;
packetData1_2.PostCount = index1;
}
catch (EndOfStreamException ex)
{
}
}
return (VorbisFloor.PacketData) packetData1_2;
}