| 摘要 |
Methods and apparatus, including computer program products, for an expansion of a stream set and transcoding of Hypeliext Transfer Protocol (HTTP) adaptive streaming videos in a mobile network. A method includes, in a mobile content delivery network (CDN) server residing in a mobile network, maintaining a database of mobile subscriber information for mobile subscribers derived from the mobile network, receiving a mobile client request to download a video stream, ingesting a manifest file from a server in the network originating the requested video, deriving characteristics of a mobile device of the mobile client from mobile subscriber information, expanding a set of streams in the manifest file depending on the derived characteristics of the mobile device, transcoding the set of streams from the serve into alternate bit rates suitable for a current mobile network condition, and delivering the set of streams to the mobile client. |
