Methods and server for controlling aggregation of multimedia contents based on requirements of a content producer and of user(s) of communication equipment(s)

A server (SS) is intended for controlling aggregation of multimedia contents to be transmitted to at least one communication equipment (CE1) of a user, and comprises: - means (OM) for obtaining a model of aggregated multimedia contents representing first requirements defined by a content aggregation producer, - means (HM) for handling different sources (S1-S3) of multimedia contents concerned by this obtained model, - means (DM) for receiving, from the communication equipment (CE1), second requirements defined by its user, and for defining an aggregated multimedia content stream corresponding to the obtained model, modified by the second requirements and taking into account at least network constraints.