動的適応型ハイパーテキスト転送プロトコルストリーミングにおけるメタデータ情報のシグナリングおよび搬送

摘要

A computer program product that when executed by a processor causes a network device to obtain a media presentation description (MPD) that comprises instructions for retrieving one or more segments from a plurality of adaptation sets, sending a first segment request for one or more segments from a first adaptation set in accordance with the instructions provided in the MPD, receiving the segment from the first adaptation set, selecting one or more segments from a second adaptation set based on the one or more segments from the first adaptation set, sending a second segment request that requests the one or more segments from the second adaptation set, and receiving the one or more segments from the second adaptation set in response to the second segment request, wherein the first adaptation set comprises timed metadata information, and wherein the second adaptation set comprises media content.