A method for encapsulating encoded media data corresponding to a wide view of a scene, the method comprising:
obtaining a projected picture from the wide view of the scene;
splitting the projected picture into at least one sub-picture;
encoding the at least one sub-picture into a plurality of tracks;
generating descriptive metadata associated with the encoded tracks, the descriptive metadata comprise a first information associated with each track being indicative of a spatial relationship between the at least one sub-picture encoded in the track and a reference picture;
wherein the descriptive metadata further comprises a second information indicating the reference picture.