public AdaptationField(byte[] buffer, int offset = 4)
{
var position = offset;
var length = Length = buffer[position++];
if (length <= 0)
{
return;
}
_flags = buffer[position++];
if (HasProgramClockReference)
{
_programClockReference = new byte[6];
Buffer.BlockCopy(buffer, position, _programClockReference, 0, 6);
position += 6;
Debug.WriteLine("Has Program Clock Reference: " + ProgramClockReference);
}
if (HasOriginalProgramClockReference)
{
Debug.WriteLine("Has Original Program Clock Reference.");
_originalProgramClockReference = new byte[6];
Buffer.BlockCopy(buffer, position, _originalProgramClockReference, 0, 6);
position += 6;
}
if (HasSpliceCountdown)
{
Debug.WriteLine("Has Splice Countdown.");
SpliceCountdown = (sbyte)buffer[position++];
}
if (HasPrivateData)
{
byte privateDataLength = buffer[position++];
Debug.WriteLine("Has " + privateDataLength + " byte of Private Data.");
if (position > TsPacket.Length)
{
privateDataLength = 0;
Debug.WriteLine("_position exceeds length by " + Math.Abs(buffer.Length - position) + " bytes.");
throw new FormatException("Invalid private data length.");
}
else if (position + privateDataLength > TsPacket.Length)
{
Debug.WriteLine(" Private data exceeds length by " +
Math.Abs(TsPacket.Length - position - privateDataLength) + " bytes!!!!!!!");
privateDataLength = (byte)(TsPacket.Length - position);
Debug.WriteLine("Reading " + privateDataLength + " bytes of Private Data.");
}
if (privateDataLength > 0)
{
var privateData = new byte[privateDataLength];
Buffer.BlockCopy(buffer, position, privateData, 0, privateDataLength);
PrivateData = privateData;
position += privateDataLength;
}
}
if (HasExtension)
{
Debug.WriteLine("Has Extension.");
Extension = new AdaptationFieldExtension(buffer, position);
position += Extension.Length;
}
int stuffingLength = length + 1 - (position - offset);
if (stuffingLength > 0)
{
Debug.WriteLine("Has " + stuffingLength + " bytes of Adaptation Field stuffing.");
Stuffing = new byte[stuffingLength];
Buffer.BlockCopy(buffer, position, Stuffing, 0, stuffingLength);
}
}
public AdaptationField(byte[] buffer, int offset = 4)
{
var position = offset;
var length = Length = buffer[position++];
if (length <= 0) return;
_flags = buffer[position++];
if (HasProgramClockReference)
{
_programClockReference = new byte[6];
Buffer.BlockCopy(buffer, position, _programClockReference, 0, 6);
position += 6;
Debug.WriteLine("Has Program Clock Reference: " + ProgramClockReference);
}
if (HasOriginalProgramClockReference)
{
Debug.WriteLine("Has Original Program Clock Reference.");
_originalProgramClockReference = new byte[6];
Buffer.BlockCopy(buffer, position, _originalProgramClockReference, 0, 6);
position += 6;
}
if (HasSpliceCountdown)
{
Debug.WriteLine("Has Splice Countdown.");
SpliceCountdown = (sbyte) buffer[position++];
}
if (HasPrivateData)
{
byte privateDataLength = buffer[position++];
Debug.WriteLine("Has " + privateDataLength + " byte of Private Data.");
if (position > TsPacket.Length)
{
privateDataLength = 0;
Debug.WriteLine("_position exceeds length by " + Math.Abs(buffer.Length - position) + " bytes.");
throw new FormatException("Invalid private data length.");
}
else if (position + privateDataLength > TsPacket.Length)
{
Debug.WriteLine(" Private data exceeds length by " +
Math.Abs(TsPacket.Length - position - privateDataLength) + " bytes!!!!!!!");
privateDataLength = (byte)(TsPacket.Length - position);
Debug.WriteLine("Reading " + privateDataLength + " bytes of Private Data.");
}
if (privateDataLength > 0)
{
var privateData = new byte[privateDataLength];
Buffer.BlockCopy(buffer, position, privateData, 0, privateDataLength);
PrivateData = privateData;
position += privateDataLength;
}
}
if (HasExtension)
{
Debug.WriteLine("Has Extension.");
Extension = new AdaptationFieldExtension(buffer, position);
position += Extension.Length;
}
int stuffingLength = length + 1 - (position - offset);
if (stuffingLength > 0)
{
Debug.WriteLine("Has " + stuffingLength + " bytes of Adaptation Field stuffing.");
Stuffing = new byte[stuffingLength];
Buffer.BlockCopy(buffer, position, Stuffing, 0, stuffingLength);
}
}