1. A method for generating a digital stereoscopic video stream ( 101 ) comprising container frames (C), said container frames (C) comprising information about a right image (R) and a left image (L), characterised in that, when coding said digital stereoscopic video stream ( 101 ), at least one metadatum (M) is entered which is adapted to identify a region of a container frame (C) containing only one of said two images (L,R).