FLAG_SIZE_MSB = 32, ///<if set, data_size_msb is at frame header, otherwise data_size_msb is 0
FLAG_CHECKSUM = 64, ///<if set, the frame header contains a checksum
FLAG_RESERVED = 128, ///<if set, reserved_count is coded in the frame header
+ FLAG_HEADER_IDX =1024, ///<If set, header_idx is coded in the frame header.
+ FLAG_MATCH_TIME =2048, ///<If set, match_time_delta is coded in the frame header
FLAG_CODED =4096, ///<if set, coded_flags are stored in the frame header
FLAG_INVALID =8192, ///<if set, frame_code is invalid
}flag_t;