public static Nalu Parse(byte[] data)
{
int sIndex = getStartCodeLen(data);
byte[] ndata = BytesHelper.SubBytes(data, sIndex);
Nalu a = new Nalu();
a.Header = NaluHeader.Parse(ndata[0]);
a.Payload = BytesHelper.SubBytes(ndata, 1);
return(a);
}
public static FragUnitA Parse(byte[] data)
{
FragUnitA fu = new FragUnitA();
fu.Indicator = NaluHeader.Parse(data[0]);
if (fu.Indicator.Type != NALU_TYPE)
{
throw new ArgumentException($"FU-B封包的指示字节的类型必须是{NALU_TYPE}，当前类型是:" + fu.Indicator.Type);
}
fu.Header = FuHeader.Parse(data[1]);
fu.Payload = BytesHelper.SubBytes(data, 2);
return(fu);
}
public static FragUnitB Parse(byte[] data)
{
FragUnitB fu = new FragUnitB();
fu.Indicator = NaluHeader.Parse(data[0]);
if (fu.Indicator.Type != NALU_TYPE)
{
throw new ArgumentException($"FU-B封包的指示字节的类型必须是{NALU_TYPE}，当前类型是:" + fu.Indicator.Type);
}
fu.Header = FuHeader.Parse(data[1]);
//TODO:我们暂时认为所有的字节序均为BigEndian,如果传输失败，再做改正。
byte[] donBytes = new byte[] { data[3], data[2] };
fu.Don = BitConverter.ToInt16(donBytes, 0);
fu.Payload = BytesHelper.SubBytes(data, 4);
return(fu);
}