Patent ID: 8224155

Claim:
A playback apparatus comprising: playback control means adapted to acquire second playback management information for managing playback of a content file including at least one stream comprising a plurality of play items and control playback of the content file in accordance with the acquired second playback management information, the second playback management information including at least one piece of first playback management information including information indicating a position, on a playback time axis, of the content file; and playback means for playing back the content file under the control of the playback control means, wherein: the second playback management information includes jump destination information indicating a destination of a playback position jump and first permission information indicating whether to accept a first user operation of requesting a jump of the playback position to a point in a stream whose playback is managed by the second playback management information in a state in which a stream whose playback is managed by another second playback management information is being played back; the first playback management information includes second permission information indicating whether to accept a second user operation of requesting a jump of the playback position to a point in a stream whose playback is managed by the first playback management information in a state in which a stream whose playback is managed by another first playback management information included in the same second playback management information is being played back; and when the second permission information indicates that a random access to content of a first play item from the plurality of play items is prohibited, and the second user operation requests a jump from a playback position located within content of a second play item from the plurality of play items to a position within the content of the first play item, the requested jump is not permitted and the playback position is permitted to be moved from the second play item to a beginning of the first play item.