private void ClearProgram(TsProgramMapTable.ProgramMap program)
{
this._decoder.UnregisterHandler(program.Pid);
TsPacketizedElementaryStream elementaryStream = program.Stream;
if (null != elementaryStream)
{
elementaryStream.Clear();
}
Debug.Assert(this._programStreamMap.Remove(program.Pid));
}
protected override void ParseSection(TsPacket packet, int offset, int length)
{
if (length < 9)
{
return;
}
int index1 = offset;
byte[] buffer = packet.Buffer;
int num1 = (int)buffer[index1] << 8 | (int)buffer[index1 + 1];
int num2 = index1 + 2;
byte[] numArray1 = buffer;
int index2 = num2;
int num3 = 1;
int num4 = index2 + num3;
byte num5 = numArray1[index2];
bool flag = 0 != ((int)num5 & 1);
byte num6 = (byte)((uint)(byte)((uint)num5 >> 1) & 31U);
byte[] numArray2 = buffer;
int index3 = num4;
int num7 = 1;
int num8 = index3 + num7;
byte num9 = numArray2[index3];
byte[] numArray3 = buffer;
int index4 = num8;
int num10 = 1;
int index5 = index4 + num10;
byte num11 = numArray3[index4];
if ((int)num11 < (int)num9)
{
return;
}
uint num12 = (uint)buffer[index5] << 8 | (uint)buffer[index5 + 1];
int index6 = index5 + 2;
this._pcrPid = num12 & 8191U;
int num13 = (int)buffer[index6] << 8 | (int)buffer[index6 + 1];
int offset1 = index6 + 2;
int length1 = num13 & 4095;
if (offset1 - offset + length1 >= length)
{
return;
}
TsDescriptor[] tsDescriptorArray1 = (TsDescriptor[])null;
if (length1 > 0)
{
tsDescriptorArray1 = Enumerable.ToArray <TsDescriptor>(TsDescriptors.Parse(this._descriptorFactory, buffer, offset1, length1));
}
this._newProgramDescriptors = tsDescriptorArray1;
int num14 = offset1 + length1;
int num15 = offset + length;
while (num14 + 5 <= num15)
{
byte[] numArray4 = buffer;
int index7 = num14;
int num16 = 1;
int index8 = index7 + num16;
byte streamType1 = numArray4[index7];
uint num17 = (uint)buffer[index8] << 8 | (uint)buffer[index8 + 1];
int index9 = index8 + 2;
uint index10 = num17 & 8191U;
int num18 = (int)buffer[index9] << 8 | (int)buffer[index9 + 1];
int offset2 = index9 + 2;
int length2 = num18 & 4095;
if (offset2 + length2 > num15)
{
return;
}
TsDescriptor[] tsDescriptorArray2 = (TsDescriptor[])null;
if (length2 > 0)
{
tsDescriptorArray2 = Enumerable.ToArray <TsDescriptor>(TsDescriptors.Parse(this._descriptorFactory, buffer, offset2, length2));
}
num14 = offset2 + length2;
TsStreamType streamType2 = TsStreamType.FindStreamType(streamType1);
TsProgramMapTable.ProgramMap programMap = new TsProgramMapTable.ProgramMap()
{
Pid = index10,
StreamType = streamType2,
StreamDescriptors = tsDescriptorArray2
};
this._newProgramStreams[index10] = programMap;
}
if ((int)num9 != (int)num11)
{
return;
}
this.MapProgramStreams();
}