The present invention relates to a method for processing a three-dimensional video content, wherein a video stream processor (2) is inputted with a video stream (Fi) comprising video images and/or data images arranged within single frames according to a determined transport configuration and adapted to produce a three-dimensional display, wherein said video stream processor (2) generates, in response to a control signal (8) sent by a control module (5), a video signal (9,13) reproduceable on an associated visualisation apparatus (4) comprising at least one portion of said images, as arranged in each single frame for at least one of said single frames, so as to support the user in recognising said determined transport configuration.