Abstract: Embodiments of the present invention provide a method and an apparatus for transmitting a data file to a client. The method mainly includes: storing a data file with different bit rates or resolutions in a server, obtaining state information of a network resource between a client and the server, and sending bit rate or resolution adjustment indication information to the client according to the state information of the network resource, so that the client can request the server for a data file with a bit rate or resolution matching the state information of the network resource. By using the present invention, the client can request the server for a data file with a bit rate or resolution level matching the network resource, thereby increasing resource utilization of the server.

Abstract: Embodiments of the present invention disclose a processing method, distribution server, client and system for streaming media. The method comprises: receiving content segment request information sent by a client; acquiring resource information of a wireless network where the client is located; predicting a data transmission rate of the wireless network according to the resource information; selecting a content segment matching the data transmission rate; and sending the content segment to the client.