+-----------------------------------------------------+
   |                Custom Protocol (C Code)             |
   +-----------------------------------------------------+
   |                                                     |
   |  +---------------------+     +----------------+     |
   |  | Compression         |     | Decompression  |     |
   |  | Functions           |     | Functions      |     |
   |  +---------------------+     +----------------+     |
   |        |                        |       |            |
   |        |                        |       |            |
   |  +-----v---+           +------v---+   |            |
   |  | Send    |           | Receive  |   |            |
   |  | Command |           | MP4 Data |   |            |
   |  | Function|           | Function |   |            |
   |  +---------+           +----------+   |            |
   |        |                   |         |            |
   |        |                   |         |            |
   |  +-----v-------------------v---------v----+       |
   |  |          Main Protocol Handling           |       |
   |  |              (sw103k_proto_parse_pkt)       |       |
   |  +------------------------------------------+       |
   |        |                                          |
   |        |                                          |
   |  +-----v-------------------------------+         |
   |  |             merkelsw103k Tree            |         |
   |  |       Construction and Integrity   |         |
   |  |             Verification            |         |
   |  +-----------------------------------+         |
   |        |                                      |
   |        |                                      |
   |  +-----v----------------------------------+  |
   |  |          State Management               |  |
   |  |     and Custom Hash Calculations       |  |
   |  +----------------------------------------+  |
   |        |                                    |
   |        |                                    |
   +--------v------------------------------------+
            |
            |
   +--------v------------------------------------+
   |               File Handling                 |
   |  (Sending and Receiving MP4 Data, File I/O) |
   +--------------------------------------------+
            |
            |
   +--------v------------------------------------+
   |          Custom Hash Functions              |
   |      (Hash Calculation and Combination)     |
   +--------------------------------------------+