protected virtual int FindTSHeadFlag(byte[] data)
        {
            var ms   = new MemoryStream(data);
            var tsms = new TSProgramManage();
            int pos  = 0;

            while (pos++ < data.Length)
            {
                //    var index = ms.Position;
                if (ms.ReadByte() == 0x47)
                {
                    int offset = (int)ms.Position - 1;
                    if (!CheckOffsetIsPacketFlag(data, offset))
                    {
                        continue;
                    }
                    ms.Seek(-1, SeekOrigin.Current);
                    byte[] buf = new byte[188];
                    ms.Read(buf, 0, buf.Length);
                    try
                    {
                        TSPacket pack = new TSPacket()
                        {
                            ProgramManage = tsms
                        };
                        pack.SetBytes(buf);
                        pack.Decode();
                        ms.Seek(-188, SeekOrigin.Current);
                        return((int)ms.Position);
                    }
                    catch (Exception)
                    {
                        return(-1);
                    }
                }
            }
            return(-1);
        }
        protected virtual void TSStreamResolveThread()
        {
            byte[] buffer_ts = new byte[188 * 2];   //两个包的空间,这里需要读取两个188字节的ts packet 而不是读取一个的原因是,
            //读取两个,当可以检验前后ts packet标识字段是否为0x47,如果不是则当前位置不是处理ts packet的开头,
            //则需要重新找到ts packet的头
            byte[] part_ts = null;//当检测到当前ts packet错误的时候 part_ts用来保存正确的ts packet中的一部分
            while (_isworking)
            {
                int readSize = 188 * 2 - (part_ts != null ? part_ts.Length : 0);//如果上一次没有残留数据则长度为 2个ts packet 的长度
                if (_ioStream.Length >= readSize)
                {
                    if (part_ts != null)
                    {
                        Array.Copy(part_ts, 0, buffer_ts, 0, part_ts.Length);         //残留数据
                    }
                    _ioStream.Read(buffer_ts, buffer_ts.Length - readSize, readSize); //读取到缓冲区
                    if (buffer_ts[0] != 0x47)
                    {
                        //当前为非 ts packet的头,则找到下一个ts packet的头的偏移
                        int offset = FindTSHeadFlag(buffer_ts);
                        if (offset == -1)//没有找到头则返回起点
                        {
                            continue;
                        }
                        //从2*188字节中减去偏移,再减去一个ts packet的长度得到残余的数据长度
                        part_ts = new byte[buffer_ts.Length - 188 - offset];
                        Array.Copy(buffer_ts, offset + 188, part_ts, 0, part_ts.Length);

                        //新建一个临时的缓冲区,并将完整 的ts数据copy到这个临时缓冲区中
                        var tmp_buffer = new byte[188];
                        Array.Copy(buffer_ts, offset, tmp_buffer, 0, tmp_buffer.Length);
                        try
                        {
                            var pack = new TSPacket()
                            {
                                ProgramManage = _tsms
                            };
                            pack.SetBytes(tmp_buffer);
                            pack.Decode();
                            if (pack.PacketType == TSPacketType.DATA)
                            {
                                pack.ProgramManage.WriteMediaTSPacket(pack);
                            }
                        }
                        catch (Exception e)
                        {
                            _DebugEx.Trace("TSStreamInput", "解析TS失败 1" + e.ToString());
                        }
                    }
                    else
                    {
                        //当前为 ts packet的头,则找到下一个ts packet的头的偏移
                        try
                        {
                            //判断前后两个ts packet是否开头均正确
                            if (buffer_ts[0] == 0x47 && buffer_ts[188] == 0x47)
                            {
                                //将两个ts packet 分别解析
                                var tmp_buffer = new byte[188];
                                Array.Copy(buffer_ts, 0, tmp_buffer, 0, tmp_buffer.Length);
                                TSPacket pack = new TSPacket()
                                {
                                    ProgramManage = _tsms
                                };
                                pack.SetBytes(tmp_buffer);
                                pack.Decode();
                                if (pack.PacketType == TSPacketType.DATA)
                                {
                                    pack.ProgramManage.WriteMediaTSPacket(pack);
                                }

                                Array.Copy(buffer_ts, 188, tmp_buffer, 0, tmp_buffer.Length);
                                pack = new TSPacket()
                                {
                                    ProgramManage = _tsms
                                };
                                pack.SetBytes(tmp_buffer);
                                pack.Decode();
                                if (pack.PacketType == TSPacketType.DATA)
                                {
                                    pack.ProgramManage.WriteMediaTSPacket(pack);
                                }
                            }
                            else
                            {
                                _DebugEx.Trace("TSStreamInput", "TS Packet HeadFlag Error");
                                throw new Exception("TS Packet HeadFlag Error");
                            }
                        }
                        catch (Exception e)
                        {
                            _DebugEx.Trace("TSStreamInput", "解析TS失败 2" + e.ToString());
                        }
                        part_ts = null;
                    }
                }
                else
                {
                    Thread.Sleep(10);
                }
            }
        }