/// <summary>
///
/// </summary>
/// <param name="stream"></param>
public void Load(System.IO.Stream stream)
{
mHead.Clear();
mData.Clear();
mAvaiableDataLen = 48;
if (stream.Length < TagTotalCount * 8)
{
return;
}
byte[] bvals = System.Buffers.ArrayPool <byte> .Shared.Rent(4);
//var br = new System.IO.BinaryReader(stream);
stream.Read(bvals, 0, 4);
var datasize = BitConverter.ToInt32(bvals, 0);
mHead.ReadFromStream(stream, datasize);
stream.Read(bvals, 0, 4);
datasize = BitConverter.ToInt32(bvals, 0);
mData.ReadFromStream(stream, datasize);
mAvaiableDataLen = datasize;
System.Buffers.ArrayPool <byte> .Shared.Return(bvals);
}
/// <summary>
///
/// </summary>
/// <param name="start"></param>
/// <param name="len"></param>
/// <returns></returns>
public override MarshalMemoryBlock Read(long start, int len)
{
MarshalMemoryBlock re = new MarshalMemoryBlock(len, len);
mStream.Position = start;
re.ReadFromStream(mStream, len);
return(re);
}