Processing of video elementary streams, e.g. splicing of video streams, manipulating MPEG-4 scene graphs involving video stream encryption {by partially encrypting, e.g. encrypting the ending portion of a movie}
Processing of video elementary streams, e.g. splicing of video streams, manipulating MPEG-4 scene graphs involving video stream encryption {by partially encrypting, e.g. encrypting the ending portion of a movie}