A method provides for delivering video content from a server to a plurality of media devices is disclosed that distributes accurately excess bandwidth. The method includes: determining, by the server, the bandwidth to allocate to each of the plurality of media devices using a hypertext transfer protocol-based live streaming client model or a need parameter vector and/or measured bandwidth limitations associated with each of the plurality of media devices and providing the allocated bandwidth to each of the plurality of media devices, wherein the video content is transmitted in a plurality of segments from the server, and wherein each segment is transmitted at a bitrate that may vary from segment to segment.

An electronic device includes a memory, a processor, and a communication interface configured to transmit audio packets to at least one sink device where the processor may determine bit rates of the audio packets based on at least one of a wireless transmission environment in which the audio packets are transmitted or a type of each of the audio packets, encode a broadcasting audio signal to the audio packets based on the bit rates of the audio packets, and repeatedly transmit the audio packets a predetermined number of times to the at least one sink device through a broadcasting channel.

An electronic device includes a memory, a processor, and a communication interface configured to transmit audio packets to at least one sink device where the processor may determine bit rates of the audio packets based on at least one of a wireless transmission environment in which the audio packets are transmitted or a type of each of the audio packets, encode a broadcasting audio signal to the audio packets based on the bit rates of the audio packets, and repeatedly transmit the audio packets a predetermined number of times to the at least one sink device through a broadcasting channel.

Disclosed is a method of managing congestion by a Policy Control and Charging Rules Function (PCRF). The method includes receiving at least one piece of video flow related information; receiving, from an evolved Node B (eNB), congestion state information for the eNB and at least one User Equipment (UE); determining a data transmission rate of at least one video flow on the basis of the received congestion state information and the received video flow related information; and adjusting the data transmission rate of the at least one video flow on the basis of the determined data transmission rate.

There is provided a method and devices for encoding and streaming a video sequence over a plurality of network connections. A video sequence is encoded (S04) in parallel into a number of encoded video sequences having different video properties. The encoded video sequences are then streamed (S06) in parallel over the plurality of network connections. Each encoded video sequence is streamed over at least one of the plurality of network connections, and, for each network connection, an encoded video sequence having video properties that match desired video properties of the network connection. In response to detecting (S08) that the desired video properties of one of the network connections have changed, the number of encoded video sequences is increased or decreased (S10).

A method of switching media output includes receiving a first variant of a media item with a player, transmitting the first variant to a secondary device, and upon determining a change in operating conditions, switching from the first variant of the media item to a second variant of the media item by estimating a time to perform the switch to the second variant, transmitting to the secondary device a notification of a time to switch from the first variant to the second variant, and transmitting the second variant to the secondary device.

A system is provided for publishing a disparate live media output stream manifest that includes one or more media segments corresponding to key events. A start and stop time is obtained for a pre-produced media asset from a live playout system synchronized to a reference clock. Based on a reference time of the reference clock and play events from the live playout system, a normalized event metadata is converted from a play time of pre-produced media asset metadata to the reference time. The play events exists for the pre-produced media asset as start and stop times per the pre-produced media asset support inclusion of non-programming content and restart of the pre-produced media asset during a playout. Start and end messages are transmitted for publishing the normalized event metadata each time the pre-produced media asset is started and stopped during the playout in a disparate live media output stream.

A method for transmitting a content by a terminal is provided. The method includes sending a request for multi-point transmission for the content to a display device, receiving information about a first transmission rate between the display device and an access point (AP) from the display device, determining a first content distribution ratio for the display device and a second content distribution ratio for the terminal based on a demanded transmission rate for transmission of the content and the first transmission rate, sending information about at least one of the first content distribution ratio and the second content distribution ratio to the display device, receiving a second content portion corresponding to the second content distribution ratio of the content from a content server, and sending the second content portion to the display device.

The present application discloses a data transmission method, including: receiving a screen mirroring request from a screen mirroring terminal device, and establishing an audio and video data connection channel with the screen mirroring terminal device; obtaining audio and video data through the audio and video data connection channel and playing the audio and video data; monitoring a network status of the audio and video data connection channel; and when the network status deteriorates, selecting a transmission mode from preset transmission strategies corresponding to an indicator value of the network status and performing the transmission mode.

A method for sending video over a cellular link includes obtaining from a modem layer an uplink buffer status metric. An indication derived from the metric is transmitted from the modem layer to a video source application. The indication is used to adjust a video bitrate.