Patent ID: 8583815
Filing Date: 2013-11-12
Classification: G06F

Abstract:
1. A method for generation of a description file, said description file describing a bitstream, and said bitstream being formed by a plurality of fields, wherein said method comprises, performing during reading of said bitstream: using a description schema describing a structure and allowing describing a content compliant with a predetermined format and comprising a set of attributes and elements; assigning at least one value of at least one identified field of said bitstream to at least one variable defined by an attribute of said description schema, called an assignment attribute, said variable being foreign to said description file; storing said at least one variable; determining with a processor at least one characteristic of at least one element of said description file from an evaluation of a conditional expression relating to said at least one value previously stored in said at least one variable; and generating a portion of said description file as a function of said characteristic or characteristics determined during said determining step, wherein said description file describes said bitstream.