Mechanism for sharing control of a tuner amongst multiple video consuming entities

摘要: Automated sharing of control a single tuner amongst multiple video consuming entities. One the entities is assigned to be primary, thereby allowing seamless over channel tuned by tuner. Another secondary, which prohibits (at least while assignment secondary applies entity). Promotion rules are applied determine whether or not entity should promoted primary. The promotion only allow one at time as primary for If appropriate, then may enforce any desired policy regarding conflict resolution on