public TsPacket(byte[] buffer, int offset = 0)
{
int position = offset;
if (buffer.Length - offset < Length)
{
throw new ArgumentOutOfRangeException("Buffer must contain at least " + Length + " bytes.");
}
if (buffer[position++] != SyncByte)
{
throw new ArgumentException("Packet does not begin with 0x" + SyncByte.ToString("X2") + " sync byte.");
}
_header1 = (ushort)((buffer[position++] << 8) | buffer[position++]);
_header2 = buffer[position++];
if (HasAdaptationField)
{
_adaptationField = new AdaptationField(buffer, position);
position += AdaptationField.Length + 1;
}
if (HasPayload)
{
int payloadLength = Length - (position - offset);
_payload = new byte[payloadLength];
Buffer.BlockCopy(buffer, position, _payload, 0, payloadLength);
position += payloadLength;
}
int stuffingLength = Length - (position - offset);
if (stuffingLength > 0)
{
Debug.WriteLine("Has " + stuffingLength + " bytes of Transport Packet stuffing.");
Stuffing = new byte[stuffingLength];
}
}
public TsPacket(byte[] buffer, int offset=0)
{
int position = offset;
if (buffer.Length - offset < Length)
throw new ArgumentOutOfRangeException("Buffer must contain at least " + Length + " bytes.");
if (buffer[position++] != SyncByte)
throw new ArgumentException("Packet does not begin with 0x" + SyncByte.ToString("X2") + " sync byte.");
_header1 = (ushort)((buffer[position++] << 8) | buffer[position++]);
_header2 = buffer[position++];
if(HasAdaptationField)
{
_adaptationField = new AdaptationField(buffer, position);
position += AdaptationField.Length + 1;
}
if (HasPayload)
{
int payloadLength = Length - (position - offset);
_payload = new byte[payloadLength];
Buffer.BlockCopy(buffer, position, _payload, 0, payloadLength);
position += payloadLength;
}
int stuffingLength = Length - (position - offset);
if (stuffingLength > 0)
{
Debug.WriteLine("Has " + stuffingLength + " bytes of Transport Packet stuffing.");
Stuffing = new byte[stuffingLength];
}
}