Abstract: A data transmission method and an electronic device are provided. One uplink interface and one downlink interface are deployed on each input device of the electronic device. The uplink interface is connected to a processor or an upper-level input device, and the downlink interface is connected to a lower-level input device. A processing module in each input device may process image data collected by the current-level device and data sent by a lower-level input device connected to a downlink interface, and then transmit processed data to the processor or an upper-level input device through an uplink interface. Thus the plurality of input devices are connected in a cascade manner, and only one of the plurality of input devices needs to be connected to the processor.

Abstract: A method includes: A first transmission unit packs, at a protocol layer of the first transmission unit, to-be-transmitted data of an application layer of the first transmission unit, to generate a data packet. The data packet includes data type information, the data type information indicates an application scenario of the data packet, and the application scenario includes any one of a camera scenario, a display scenario, and a storage scenario. The first transmission unit sends the data packet to a physical layer of the first transmission unit through the protocol layer of the first transmission unit. The first transmission unit sends the data packet to a second transmission unit through the physical layer of the first transmission unit.

Abstract: The present invention relates to the multimedia field, and discloses a method, a device, and a system for controlling content report behavior. The method includes: receiving a request for subscribing to a configuration update notification, in which the request is sent by the terminal or the media control function, and a configuration update request that is sent by an SCF and carries the new content report configuration information, and sending a configuration update notification message to the terminal or the media control function, where the configuration update notification message carries the new content report configuration information or acquiring information thereof. The method of the present invention avoids using the message body of the SIP message to transmit the content report configuration information, is compliant and compatible with logic for processing a SIP INFO message specified in the RFC 2976.

Abstract: Embodiments of the present invention disclose a method, apparatus and system for obtaining key information during fast channel switching. A fast channel switching request sent by a terminal is received; at least one data unit bearing key information is generated according to the fast channel switching request; a fast channel switching response message is sent to the terminal, where the response message carries an identifier of a first data unit bearing the key information and the number of data units bearing the key information; and the at least one data unit bearing the key information is sent to the terminal. When the key information is lost, the key information is retransmitted without a need to perform status maintenance, which improves scalability of fast channel switching.

Abstract: A method and an apparatus for supporting time shift playback in an adaptive Hypertext Transfer Protocol (HTTP) streaming transmission solution are disclosed. The method includes: sending a live media presentation description (MPD) request message to a media server; receiving a response message that includes MPD for a current time period, where the MPD further includes media presentation information for another time period; determining that a moment of a media segment to be requested currently exceeds a time range corresponding to the MPD; acquiring the corresponding MPD according to the media presentation information corresponding to the media segment, and requesting, according to the acquired corresponding MPD, the media segment. In this manner, a client supports time shift playback of a larger time range, and at the same time, the size of the MPD is capable of remaining in an acceptable range.

Abstract: A method for implementing fast playout includes receiving a fast playout request sent by a client, where the fast playout request comprises a Uniform Resource Locator (URL) corresponding to content of a media file with a specified multiple of regular playout rate by the client, and the specified multiple of regular playout rate is determined by the client according to obtained media presentation description; and obtaining a content segment corresponding to the media file with the specified multiple of regular playout rate according to the URL, and sending a fast playout response to the client, where the fast playout response comprises the content segment corresponding to the media file with the specified multiple of regular playout rate. Therefore, fast online playing is implemented, and user experience is improved at the same time.

Abstract: The present invention provides a method for acquiring machine-to-machine resources, including: receiving a resource acquisition request sent by a client, and acquiring multiple resource identifiers according to the resource acquisition request; acquiring resource data on resource devices corresponding to the multiple resource identifiers; and encapsulating the acquired resource data into a message and sending the message to the client. Therefore, multiple resource identifiers may be sent at a time, and the resource data returned by the resource devices corresponding to the multiple resource identifiers is sent to a requester by using one message. The resource data is acquired quickly and efficiency of acquiring the resource data is high.

Abstract: A method and an apparatus for supporting time shift playback in an adaptive Hypertext Transfer Protocol (HTTP) streaming transmission solution are disclosed. The method includes: sending a live media presentation description (MPD) request message to a media server; receiving a response message that includes MPD for a current time period, where the MPD further includes media presentation information for another time period; determining that a moment of a media segment to be requested currently exceeds a time range corresponding to the MPD; acquiring the corresponding MPD according to the media presentation information corresponding to the media segment, and requesting, according to the acquired corresponding MPD, the media segment. In this manner, a client supports time shift playback of a larger time range, and at the same time, the size of the MPD is capable of remaining in an acceptable range.

Abstract: The present invention discloses a media data control method and apparatus. The method includes: receiving a control request message sent by a terminal, where the control request message carries identification information of a substream and a uniform resource identifier URI of a media stream to which the substream belongs; obtaining the identification information of the substream and the URI of the media stream to which the substream belongs; determining, according to the identification information of the substream and the URI of the media stream to which the substream belongs, media data of the substream; and performing, based on the media data, a control operation requested by the terminal, for the substream. With the present invention, independent control can be implemented for data of different features under the same type in the case where the data of different features is transmitted through the same media stream.

Abstract: A method and an apparatus for supporting time shift playback in an adaptive HTTP streaming transmission solution are disclosed. The method includes: sending a live MPD request message to a media server; receiving a response message that includes MPD for a current time period, where the MPD further includes media presentation information for another time period; determining that a moment of a media segment to be requested currently exceeds a time range corresponding to the MPD; acquiring the corresponding MPD according to the media presentation information corresponding to the media segment, and requesting, according to the acquired corresponding MPD, the media segment. In this manner, a client supports time shift playback of a larger time range, and at the same time, the size of the MPD is capable of remaining in an acceptable range.

Abstract: A method, an apparatus, and a system are disclosed for transmitting and processing media content. The method includes: encapsulating at least one media sample and metadata thereof to generate a sub-media segment, where a plurality of the sub-media segments constitute one media segment; and each time one sub-media segment is generated, pushing the sub-media segment to a live streaming server such that the live streaming server, upon receiving the sub-media segment, pushes the sub-media segment to a client side for playing. The solutions according to embodiments of the present disclosure reduce the end-to-end delay and improve real-time performance of the media content processing.

Abstract: The present invention discloses a method and device for applying parental control in media. Corresponding parental control rating information is set for media contents in different time periods in the single media presentation; the parental control rating information is sent to a client; and the client processes the media contents in the single media presentation according to the parental control rating information, so as to make the effect of the parental control accurate.

Abstract: In the field of media transmission technologies, a method and an apparatus for transmitting Hypertext Transfer Protocol (HTTP) media are provided, which solve a problem that a specific capability mode to be used cannot be determined when both a server and a client have enhanced functions. In the method and system for transmitting the HTTP media, the respective information of HTTP streaming media capabilities supported by the server and by the client are obtained. According to the obtained information of the HTTP streaming media capabilities supported by the server and supported by the client, the HTTP streaming media capability used by the server or the client in a subsequent media transmission procedure is determined. The server provides media services according to the determined HTTP streaming media capability; or the client obtains the media services according to the determined HTTP streaming media capability.

Abstract: A method for implementing fast playout includes receiving a fast playout request sent by a client, where the fast playout request comprises a Uniform Resource Locator (URL) corresponding to content of a media file with a specified multiple of regular playout rate by the client, and the specified multiple of regular playout rate is determined by the client according to obtained media presentation description; and obtaining a content segment corresponding to the media file with the specified multiple of regular playout rate according to the URL, and sending a fast playout response to the client, where the fast playout response comprises the content segment corresponding to the media file with the specified multiple of regular playout rate. Therefore, fast online playing is implemented, and user experience is improved at the same time.

Abstract: A method for hierarchically requesting contents in a HTTP streaming system is provided, which includes: receiving a service information obtaining request transmitted from a client; returning a service information obtaining request response comprising media presentation description information comprising URL corresponding to multi-level service content; receiving a service request message being a GET message transmitted from the client, wherein the service request message comprises the URL of the multi-level service content; and returning to the client a service request message response comprising the service content corresponding to the URL of the multi-level service content, so that the contents are searched for directly according to the URL, thereby improving processing efficiency.

Abstract: A method for implementing fast playout is provided, which comprises: receiving a fast playout request sent by a client, where the fast playout request comprises a Uniform Resource Locator (URL) corresponding to content of a media file with a specified multiple of regular playout rate by the client, and the specified multiple of regular playout rate is determined by the client according to obtained media presentation description; and obtaining a content segment corresponding to the media file with the specified multiple of regular playout rate according to the URL, and sending a fast playout response to the client, where the fast playout response comprises the content segment corresponding to the media file with the specified multiple of regular playout rate. Therefore, fast online playing is implemented, and user experience is improved at the same time.

Abstract: A method for processing graphics includes: receiving a graphic stream that carries a graphic type identifier; and obtaining the graphic type identifier, and displaying corresponding graphic content of the graphic stream if a graphic type is identifiable, or discarding the graphic stream if the graphic type is not identifiable. Because the graphic stream carries a graphic type identifier, when obtaining the graphic type identifier, the terminal judges whether the graphic type is identifiable, and displays the graphic content if the graphic type is identifiable or discards the graphic stream if the graphic type is not identifiable. In this way, if the terminal does not support the graphic type, the terminal can discard the graphic stream automatically, which enhances the terminal capability of processing graphics.

Abstract: In the field of media transmission technologies, a method and an apparatus for transmitting Hypertext Transfer Protocol (HTTP) media are provided, which solve a problem that a specific capability mode to be used cannot be determined when both a server and a client have enhanced functions. In the method and system for transmitting the HTTP media, the respective information of HTTP streaming media capabilities supported by the server and by the client are obtained. According to the obtained information of the HTTP streaming media capabilities supported by the server and supported by the client, the HTTP streaming media capability used by the server or the client in a subsequent media transmission procedure is determined. The server provides media services according to the determined HTTP streaming media capability; or the client obtains the media services according to the determined HTTP streaming media capability.

Abstract: Example embodiments provide a program recommendation mechanism that allows a user to recommend select portions of a media stream. For instance, one embodiment allows a terminal of a recommendation receiver to receive a recommendation message sent by a terminal of a recommendation originator, wherein the recommendation message includes a program identity (ID), an ID of a part of program stream recommended by the recommendation originator, or both. Further, an instruction message for instructing a media function (MF) server to deliver the part of program stream of the program is sent according to the program ID, the ID of the part of program stream, or both. Thereafter, the part of program stream delivered by the MF is received and played.

Abstract: A method for finding a visited Service Provider (SP) disclosed herein includes: after accessing a network, a terminal obtains current network information; and obtains the visited SP information through the home SP information preset on the terminal and the current network information. A method for finding a visited SP disclosed herein includes: after receiving a visited SP information request sent by a terminal, an SP server searches for the current network information, obtains the visited SP information, and sends the visited SP information to the terminal. Accordingly, a terminal for finding a visited SP and an SP server are disclosed. Through the present invention, a roaming terminal may find the visited SP conveniently.