Method and system for distributing an audiovisual content

A method for distributing an audiovisual content stored or produced live by a source to a display terminal in an audiovisual distribution system, said content being received by the terminal in the form of a succession of consecutive files, referred to as segments, each segment being distributed to the terminal following a transmission of a request by said terminal and being obtained by an application of a workflow to a portion of said content, wherein the method comprises a procedure for launching the workflow executed by the terminal or by an intermediate device situated between the terminal and the workflow comprising, for each segment:

• obtaining a list of at least one processing operation representing the workflow to be applied to a portion of the content in order to obtain said segment, the workflow being defined from a profile selected in a manifest comprising a set of profiles according in particular to transmission and processing constraints obtained by said terminal or the intermediate device;
• running through the list and, for each processing operation, choosing a module in a set of modules able to execute said processing operation and adding an identifier composed of an address and a port number of the module chosen in a request;
• the identifier appearing first in the request corresponding to a first module for which said request is intended;
• for each processing operation, adding to the request information representing the portion of the content and information representing configuration parameters of the corresponding module, the configuration parameters having been obtained from in particular the profile;
• and
• transmitting said request to the first destination module in order to launch the execution of the workflow.