Multimedia server for an onboard entertainment system, onboard entertainment system comprising such a server, method for controlling storage in such a server and associated computer program

A media server for an on-board entertainment system comprising entertainment user terminals for a passenger transport vehicle, said media server being intended to be carried on board said mobile vehicle and to be connected to at least one on-board entertainment user terminal via anon-board local area network, the media server comprising:

• a storage module configured to store media content;
• a distribution module configured to distribute, via the on-board local area network, to at least one user terminal at least one item of media content stored in the storage space;
• a storage control module, configured to control the storage of the media content in the storage module;
• wherein the storage control module is configured to collect values relating to the media content and representative of the numbers of accesses via the user terminals to the respective media content by passengers, to calculate the current value of a retention parameter relating to each item of media content stored in the storage module as a function of said collected representative values relating to said content, and to automatically trigger the continued retention of said media content in the storage module or its deletion as a function of at least said calculated current value;
• and
• wherein the storage control module is configured to calculate the current value of the retention parameter relating to the media content as a function of a value representative of a transport time by the vehicle divided by said number of accesses to said content during said time.