| 摘要 |
A content source comprising a processor configured to generate a media presentation description (MPD) file, wherein the MPD file designates a dependent media content part to be assigned to at least one depended media content part, and wherein the MPD file indicates the dependent media content part is to be accessed by a client device when an access condition for the dependent media content part is satisfied, and a transmitter operably coupled to the processor and configured to transmit the MPD file to at least one of a content server, a control server, and the client device. |
