WO2010025675A1 - Procédé, système et dispositif de diffusion d’un contenu de service - Google Patents

Procédé, système et dispositif de diffusion d’un contenu de service Download PDF

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Publication number
WO2010025675A1
WO2010025675A1 PCT/CN2009/073720 CN2009073720W WO2010025675A1 WO 2010025675 A1 WO2010025675 A1 WO 2010025675A1 CN 2009073720 W CN2009073720 W CN 2009073720W WO 2010025675 A1 WO2010025675 A1 WO 2010025675A1
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WO
WIPO (PCT)
Prior art keywords
terminal
content
service content
service
playing
Prior art date
Application number
PCT/CN2009/073720
Other languages
English (en)
Chinese (zh)
Inventor
杨健
王雷
范姝男
董挺
张惠萍
陈国乔
Original Assignee
华为技术有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by 华为技术有限公司 filed Critical 华为技术有限公司
Publication of WO2010025675A1 publication Critical patent/WO2010025675A1/fr

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04H—BROADCAST COMMUNICATION
    • H04H60/00—Arrangements for broadcast applications with a direct linking to broadcast information or broadcast space-time; Broadcast-related systems
    • H04H60/09—Arrangements for device control with a direct linkage to broadcast information or to broadcast space-time; Arrangements for control of broadcast-related services
    • H04H60/14—Arrangements for conditional access to broadcast information or to broadcast-related services
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
    • H04L65/60—Network streaming of media packets
    • H04L65/61—Network streaming of media packets for supporting one-way streaming services, e.g. Internet radio
    • H04L65/613—Network streaming of media packets for supporting one-way streaming services, e.g. Internet radio for the control of the source by the destination
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/41—Structure of client; Structure of client peripherals
    • H04N21/414—Specialised client platforms, e.g. receiver in car or embedded in a mobile appliance
    • H04N21/41407—Specialised client platforms, e.g. receiver in car or embedded in a mobile appliance embedded in a portable device, e.g. video client on a mobile phone, PDA, laptop

Definitions

  • IPTV Internet Protocol Televiation
  • IPTV Internet Protocol Televiation
  • IPTV services in two ways at home: (1) computers, (2) network set-top boxes + regular TV sets. It can adapt well to the rapid development of today's networks and fully utilize network resources.
  • IPTV is an infrastructure that utilizes broadband cable television networks, with home televisions as the primary terminal electronics, providing a variety of digital media services, including television programming, through Internet Protocol.
  • Mobile Video Broadcasting is a new type of mobile service that delivers video content to mobile users over broadcast networks, mobile networks and mobile terminals. This kind of business is also called "mobile TV business”.
  • 0MA Open Mobi le Al l iance
  • BCAST Broadcast Service
  • the function of delay playback of the terminal is mainly to increase the buffering function of the media stream in the terminal software.
  • the main idea is to structure the corresponding storage area on the terminal where the mobile multimedia broadcast service can be performed.
  • the cache function of the media stream is added in the software.
  • the playback process if the program needs to be cached or paused, at this moment, the media stream received by the playback client will be directly buffered in the corresponding storage area, and the playback screen of the terminal is directly suspended.
  • the corresponding media stream is extracted from the storage area for playback.
  • the player plays the cached content, and the content being broadcasted is still directly buffered into the storage area through the receiving module. This process continues until the current playback is stopped.
  • the above implementation manner requires the terminal to locally buffer the received media stream, and needs to be able to encode the buffered media stream and store it in the corresponding storage area.
  • storage space that provides sufficient hardware to support long-delay playback.
  • Such considerations will require higher requirements for the terminal hardware, especially the RAM (Random Access Memory) and ROM (Read Only Memory).
  • the embodiment of the invention provides a method, a system and a device for playing a service content, so as to enable the terminal to obtain the same experience and feeling as the local service content when developing the multimedia broadcast service.
  • an embodiment of the present invention provides a method for playing a service content, which is applied to a mobile phone television field, and includes: acquiring playback control information of a service content playback control function; and performing the service content according to the playback control information. The playback is controlled.
  • an embodiment of the present invention further provides a service content playback control method, which is applied to the field of mobile TV, and includes:
  • an embodiment of the present invention provides a system for playing a service content, including: a terminal, configured to acquire playback control information of a service content playback control function, and control playback of the service content according to the playback control information ;
  • the media play control server is configured to provide play control information to the terminal, and control play of the service content of the terminal.
  • the embodiment of the present invention further provides a terminal, including:
  • the information acquisition module is configured to obtain the play control information of the service content play control function
  • the play control module is configured to control the play of the service content according to the play control information acquired by the information acquisition module.
  • the embodiment of the present invention further provides a media play control server, including: a sending module, configured to send, to a terminal, play control information for a service content play control function; and a control module, configured to receive content of the terminal Playing a control request, and controlling the media server or the broadcast server according to the content play control request;
  • a media play control server including: a sending module, configured to send, to a terminal, play control information for a service content play control function; and a control module, configured to receive content of the terminal Playing a control request, and controlling the media server or the broadcast server according to the content play control request;
  • the response module is configured to send a response message of the content play control request to the terminal, and carry the service content play control process result in the response message.
  • the network realizes the playing of the mobile multimedia service content, and the terminal controls the playing of the business content according to the obtained playing control information. Allow users to obtain the same user experience and experience as playing local business content when developing multimedia broadcasting services.
  • FIG. 1 is a flowchart of a method for playing a service content according to an embodiment of the present invention
  • FIG. 2 is a flowchart of a method for controlling playback of a service content according to an embodiment of the present invention
  • Embodiment 3 is a flowchart of Embodiment 1 of a method for playing a service content according to the present invention
  • Embodiment 4 is a flowchart of Embodiment 2 of a method for playing a service content according to the present invention
  • FIG. 5 is a flowchart of Embodiment 3 of a method for playing a service content according to the present invention.
  • Embodiment 4 is a flowchart of Embodiment 4 of a method for playing a service content according to the present invention
  • FIG. 7 is a structural diagram of a playback system of a service content according to an embodiment of the present invention.
  • FIG. 8 is a structural diagram of a terminal according to an embodiment of the present invention.
  • FIG. 9 is another structural diagram of a terminal according to an embodiment of the present invention.
  • FIG. 10 is a structural diagram of a media playback control server according to an embodiment of the present invention. detailed description
  • the embodiment of the invention provides a method for playing a service content, and enables the mobile multimedia service content to be played through the existing network, so that when the multimedia broadcast service is launched, the user can obtain the same user experience and feeling as the local service content.
  • Embodiments of the present invention combine a broadcast channel and an interactive channel to distribute content through different channels.
  • the method realizes the playback of the mobile multimedia broadcast service content.
  • Real-time media stream propagation is realized by utilizing the large-capacity characteristics of the broadcast channel.
  • For non-real-time/delay content playback a combination of a broadcast channel and an interactive channel is implemented.
  • the service provider will isolate the terminal's perception of the network configuration, that is, the terminal can only perceive the mobile multimedia broadcast service, but whether the broadcast channel or the interactive channel is used when the service content is transmitted. There is no relevant information perception for transmission.
  • Step S101 Acquire playback control information of a service content playback control function.
  • the play control information is provided by a service guide, and the play control information includes one or more of the following: an enable information of a service content play control function, an address information of a media play control server of a service content play control function, and a service content.
  • the function list information of the play control function and the broadcast service information associated with the service content play control function is provided by a service guide, and the play control information includes one or more of the following: an enable information of a service content play control function, an address information of a media play control server of a service content play control function, and a service content.
  • Step S102 Control playback of the service content according to the play control information.
  • the controlling the play of the service content according to the play control information may be: sending a content play control request to the media play control server through the interaction channel, requesting the media play control server to control the play of the service content; or
  • the broadcast service information associated with the playback control information is accessed by the broadcast server to control the playback of the service content.
  • the play information indicated by the service guide is parsed to determine whether the service content being played by the terminal provides a play control function, and is presented to the terminal.
  • the prompt information is carried in the Service and Content shards of the service guide.
  • the content play control request carries the play information prompted by the service guide, and the play control function information selected by the terminal, and the terminal passes the interactive channel according to the format of HTTP (Hy Per Text Transfer Protocol). Sending a content playback control request to the media playback control server.
  • HTTP Hyper Text Transfer Protocol
  • the media playback control server may perform authentication authentication on the terminal according to the content play control request, and ensure that the terminal has the right to perform the play control function requested by the terminal.
  • the terminal reports the playing status of the terminal to the media playing control server, so that the media playing control server switches the service content from the on-demand mode of the interactive channel to the user according to the playing condition and the user information of the terminal.
  • On-demand mode of the broadcast channel is a mode of the broadcast channel.
  • the terminal may adopt one of the following ways:
  • the terminal submits a play request to the media play control server through the HTTP request mode, and receives the service content that is subsequently played by the media sent by the media play control server by using the HTTP mode.
  • the terminal When the terminal requests the media playback control server to pause the playback of the service content, the terminal receives the content of the data broadcast according to the parameter information of the data broadcast carried by the response message sent by the media playback control server, and the received data The content of the broadcast is cached in the storage space of the terminal, waiting to resume playback.
  • the terminal When the terminal requests the media playback control server to pause the playback of the service content, the terminal passes RTSP (Real Time Streaming Protocol), RTP (R eal-time Transport Protocol), RTCP. (Real-Time Transaction Control Protocol) or HTTP, obtain the service content cached by the cache server, and play the cached service content.
  • RTSP Real Time Streaming Protocol
  • RTP R eal-time Transport Protocol
  • RTCP Real-Time Transaction Control Protocol
  • HTTP Real-Time Transaction Control Protocol
  • the playing method of the foregoing service content realizes playing of the mobile multimedia service content through the existing network, and the terminal controls the playing of the service content according to the obtained playing control information. Allow users to get the same user experience and experience as playing local business content when developing multimedia broadcasting services.
  • FIG. 2 is a flowchart of a method for controlling a service content playing according to an embodiment of the present invention.
  • Step S201 Send, to the terminal, play control information for a service content play control function.
  • Step S202 Receive a service content play control request of the terminal, and control the media server or the broadcast server according to the service content play control request.
  • Step S203 Send a response message of the service content play control request to the terminal, and carry the service content play control process result in the response message.
  • the play control information is the same as that in the previous embodiment, and includes one or more of the following: an enable information of a service content play control function, an address information of a media play control server of a service content play control function, and a service content play.
  • the function list information of the control function and the broadcast service information associated with the service content play control function includes one or more of the following: an enable information of a service content play control function, an address information of a media play control server of a service content play control function, and a service content play.
  • the service content playback control processing result includes operation information for playing the terminal service content, for example, suspending, fast forwarding, etc. during playback of the terminal service content, or continuing to perform media service or broadcast server required for the service content playback.
  • the information for example, indicates that the terminal switches to the address information of the media server or the broadcast server, and the like.
  • the method further includes: switching the service content received by the terminal from the interaction channel to the broadcast channel; or switching the service content received by the terminal from the broadcast channel to the interaction channel.
  • the media play control server can implement control over the playback of the terminal service content, and when the broadcast cannot continue to play the service content, switch to the interactive channel, and continue the playback of the service content through the media server (or vice versa), so that the user When the multimedia broadcasting service is launched, the same user experience and feeling as the local service content can be obtained.
  • Embodiment 1 is an embodiment of a method for playing a service content under a BCAST service.
  • the first solution in the first embodiment is that a user is watching. In the real-time mobile multimedia broadcast service, it is necessary to suspend, fast forward, rewind, etc. the business content.
  • the first embodiment combines the content delivery method of the broadcast with the content mode of the interactive channel, and is supplemented by the service guide of the SG (Service Guide). There are related ways to report the information of the interactive channel to complete the related functions. According to the process of the business development, the first embodiment specifically includes:
  • Step S301 The terminal acquires the content and information of the service guide SG, and extracts the service content that the terminal pays attention from the content and information of the SG.
  • the terminal obtains the content and information of the relevant service guide SG according to the normal BCAST service acquisition process, and extracts the service content of the terminal from the related content and information of the SG. By browsing the contents of the SG, the terminal decides whether to subscribe/subscribe/view/schedule.
  • Step S302 The terminal configures parameters of the receiving device on the terminal, and receives related service content on the specified channel at a specified time.
  • the terminal After the terminal user selects the program content that the terminal needs to play through the SG, the terminal configures the parameters of the receiving device on the terminal according to the pre-configuration and the fragment data of the Access in the SG, and receives the specified channel on the specified time.
  • Related business content After receiving the relevant service content, the received service content is submitted to the client of the terminal, and is presented to the user by the client of the terminal, so that the user can receive the program that the user wishes to play.
  • Step S303 The terminal determines, according to the play information prompted by the SG, the provision of the play control function. During the process of playing the program in the terminal, the terminal needs to check the Service or Conte nt related fragments in the SG to determine whether the service content being played provides related playback control functions, such as: play, pause or fast forward. If the business system does not provide playback control, the playback control will not be open to the terminal. If the service system provides the playback control function, it will prompt the playback information in the relevant data fragment of the Service or Content of the SG; if the SG does not prompt the terminal for the relevant playback information, the terminal will process according to the normal playback process.
  • related playback control functions such as: play, pause or fast forward.
  • Step S304 The terminal initiates a content play control request to the server through the interaction channel.
  • the service system provides related play control functions, such as: play, pause, or fast forward
  • the address of the media play control server that carries the play control function in the Service and Content in the SG needs to be specified, and the terminal is required to be in the media.
  • Playback control server sends content
  • the content playback control requests the relevant format that should be taken.
  • the terminal submits a content play control request to the media play control server address according to the user's needs. For example, when the user needs to pause the playback of the service, the terminal needs to first obtain the time information of the currently played service content in the received TS (Transport Stream), and simultaneously correlate the previous Service and Content.
  • the information, as well as the Pause operation information that the terminal needs to use, are transmitted via HTTP, and the data is carried by XML (eXtensible Marked Language) data and submitted to the media playback control server.
  • XML eXtensible Marked Language
  • Step S305 The terminal performs an operation such as authentication and authentication with the media playback control server.
  • the media play control server may, according to the content play control request submitted by the media, request the user to provide the user name and password, and use PAP (Password Authentication Protocol).
  • PAP Password Authentication Protocol
  • the protocol is authenticated by CHAP (Chal lenge Handshake Authentication Protocol) to ensure that the terminal has the right to perform related playback control functions, and also provides related charging control functions for service providers.
  • Step S306 The media play control server responds to the content play control request sent by the terminal.
  • the media playback control server determines, according to the identity information of the terminal user, that the user has the right to perform the related content playback control request, and after determining that the service content can perform the related service control function according to the related program and operation information carried by the terminal user,
  • the media playback control server will send a response message to the terminal, for example: 200 0k, and the response message carries the success information to the terminal, and the service content played by the terminal is in a suspended state.
  • Step S307 The terminal acquires the played service content.
  • the terminal acquires related playback content through Real Time Streaming Protocol (RTSP) or HTTP.
  • RTSP Real Time Streaming Protocol
  • the terminal user submits the relevant playback to the media playback control server according to the three steps of step S304, step S305 and step S306 by means of HTTP request.
  • request. Server pass The HTTP method sends a SDP (Session Description Protocol) file of the service content to be played by the terminal to the terminal, and the terminal locally performs subsequent playback according to the information of the SDP file.
  • SDP Session Description Protocol
  • the terminal software requests an operation of playing the multi-service content from the server by means of RTSP.
  • the terminal acquires the relevant media stream through RTP/RTCP.
  • the terminal can use the SIP (Session Initiation Protocol) instead of the RTSP protocol to perform related playback processes.
  • SIP Session Initiation Protocol
  • the above process is an embodiment of a method of playing business content under the BCAST service.
  • the way it is implemented depends on the specific needs and the protocols used may vary.
  • the method for playing the above-mentioned service content realizes the playback of the mobile multimedia service content through the existing network, so that the user can obtain the same user experience and feeling as the local service content when developing the multimedia broadcast service.
  • the broadcast channel and the interactive channel are combined, and the content of the mobile multimedia broadcast service is played through different ways of content distribution.
  • Real-time media stream propagation is realized by utilizing the large-capacity characteristics of the broadcast channel.
  • a combination of a broadcast channel and an interactive channel is implemented.
  • Embodiment 2 is an embodiment of a method for playing a service content under a BCAST service.
  • a user is watching in real time.
  • the playing method of the service content used in the second embodiment combines the content delivery mode of the broadcast with the content mode of the interactive channel, and complements the service guide of the SG and the information reporting manner of the relevant interactive channel to complete the related functions.
  • the second embodiment specifically includes:
  • Step S401 The terminal acquires the content and information of the service guide SG, and extracts the service content that the terminal pays attention from the content and information of the SG.
  • the terminal obtains the content and information of the related service guide SG according to the normal BCAST service acquisition process, and extracts the program content of the terminal from the related content and information of the SG.
  • the terminal determines whether to subscribe/subscribe/view/by browsing the contents of the SG. Scheduled playback and other functions.
  • Step S402 The terminal configures parameters of the receiving device on the terminal, and receives related service content on the specified channel at a specified time.
  • the terminal After the terminal user selects the service content that the terminal needs to play through the SG, the terminal configures the parameters of the receiving device on the terminal according to the pre-configuration and the fragment data of the Access in the SG, and receives the specified channel on the specified time.
  • Related business content When the end user conducts business content selection, he or she selects two types of business content. One is that all users view the same business content by means of broadcasting; the other is that each user individually selects the business content that he or she likes to watch. , enjoy the business content through the interactive channel, this is called the business content of the on-demand.
  • Step S403 The terminal reports the playing status of the service content.
  • the terminal When the terminal plays the service content, it also browses through the SG to access the related business content.
  • the terminal reports the local play status to the media play control server during the process of playing the service content, and the media play control server also records the play status of the terminal when sending the service content to the terminal.
  • the terminal plays the business content of the on-demand.
  • Step S404 the media play control server determines whether to switch the transmission of the media stream to the manner of broadcasting.
  • the media play control server detects that the service content played by the terminal is the same as the content played in the broadcast channel, the media play control server determines, according to the user information, whether the service needs to be switched from the on-demand mode of the interactive channel to the broadcast channel.
  • the user information includes the user's selection, as well as the user's terminal parameters and the like.
  • Step S405 The media playback control server switches the interactive channel to the broadcast channel.
  • the media playback control server notifies the terminal by using a push mode or other signaling manner, such as SIP, to enable the terminal to start the receiving device of the broadcast channel, and simultaneously displays the received service content in the final step S406, and the user views the on-demand through the broadcast channel.
  • a push mode or other signaling manner such as SIP
  • the terminal completes the alignment work of the media stream through the time stamp of the media stream, and presents the service content to the user, so as to ensure that the user smoothly views the service content.
  • the subsequent playback action is the same as that described in the first embodiment.
  • the method for playing the above-mentioned service content realizing the playing of the mobile multimedia service content through the existing network, and determining whether to switch the service from the on-demand mode of the interactive channel to the broadcast channel according to the playing condition of the service content reported by the terminal and the user information , allowing users to view the on-demand business content through the broadcast channel. Therefore, when the user conducts the multimedia broadcasting service, the user can obtain the same user experience and feeling as the local service content.
  • the broadcast channel and the interactive channel are combined, and the content of the mobile multimedia broadcast service content is realized through different ways of content distribution.
  • Embodiment 3 is an embodiment of a method for playing a service content under a BCAST service
  • Embodiment 3 is a mobile multimedia device for watching a user in real time.
  • the basic method adopted in the third embodiment is to combine the content delivery method of the broadcast and the content delivery mode of the interactive channel, and supplement the SG service guide to complete the related functions.
  • the third embodiment specifically includes:
  • Step S501 The terminal acquires the content and information of the service guide SG, and extracts the service content of the terminal from the content and information of the SG.
  • the terminal obtains the content and information of the related service guide SG according to the normal BCAST service acquisition process, and extracts the service content of the terminal from the content and information of the SG. By browsing the contents of the SG, the terminal decides whether to subscribe/subscribe/view/schedule and other functions.
  • Step S502 The terminal configures parameters of the receiving device on the terminal, and receives related service content on the specified channel at a specified time.
  • the terminal After the terminal user selects the content of the program that needs to be played by the SG, the terminal configures the parameters of the receiving device on the terminal according to the pre-configuration and the fragmentation data of the Access in the SG, and The specified time, the relevant service content is received on the specified channel.
  • the service content the end user selects two types of programs. One is to broadcast the same content for all users. The other is to select each user's favorite program to watch. The way of the channel to appreciate the business content, this is called the business content of the on-demand.
  • Step S503 The terminal determines, according to the play information indicated by the SG, whether the play of the service content can be controlled.
  • the terminal determines whether the playback of the service content can be controlled according to the playback information indicated by the SG.
  • the playback control involved in the third embodiment is mainly the playback control in which the service content is suspended, and the playback of the service content can be resumed by broadcasting.
  • Step S504 The terminal sends a content play control request to the media play control server through the interaction channel.
  • the service system provides a related play control function, that is, provides a play control function similar to the play pause, and then needs to carry the media play control server address of the play control function in the Service and Content in the SG, and specifies that the terminal is in the direction
  • the media play control server sends a content play control request
  • the content play control request should take the relevant format.
  • the terminal submits a content playback control request to the media play control server address according to the judgment of the user. If the user needs to pause the playback of the service.
  • the terminal needs to first obtain the current playing time information in the received TS stream, and simultaneously pass the information about the previous Service and the C ontent, and the Pause operation information that the terminal needs to adopt, by using the HTTP method, and carrying the data by using the XML data.
  • Related information submitted to the media playback control server.
  • Step S505 The terminal performs an operation such as authentication and authentication with the media playback control server.
  • the media playback control server may play the control request according to the content submitted by the terminal, and may require the terminal user to provide the user name and password, and perform authentication authentication by using PAP or CHAP to ensure that the terminal has the right to perform related playback control functions, and also for the service.
  • the provider provides relevant billing control functions.
  • Step S506 the media play control server responds to the content play control request provided by the terminal.
  • the media play control server determines, according to the identity information of the terminal user, that the user has the right to make a related request, and after determining that the service content can perform related service control functions according to the related service content and operation information carried by the terminal user, the media play control
  • the server sends a response message to the terminal, for example: 200 0k, and the response message carries the success information to the terminal, and the service content played by the terminal is in a suspended state.
  • Step S507 The terminal receives the content of the data broadcast delivered by the media play control server through the data broadcast.
  • the media playback control server carries related parameter information related to the data broadcast in the response message, including access parameters, decrypted keys, and the like. Through these parameters, the terminal receives the related content of the data broadcast while suspending the playing of the service content.
  • the relevant content of the data broadcast is the data delivery form of the business content, that is, the encoded business content. By playing the service content of the data broadcast, the terminal can perform actions similar to the content of the terminal playing the service.
  • Step S508 The terminal resumes playing of the service content. After receiving the data broadcast content, the terminal caches the data broadcast content in the local storage space, and waits for the end user to resume the playback of the service content. Considering the achievability problem, the receiving time of the data broadcast content may be limited by a certain length, which is not considered in the embodiments of the present invention.
  • Step S509 The terminal plays the service content received through the data broadcast, and the data broadcast continues.
  • the terminal plays the service content received by the data broadcast, and displays the service content locally at the terminal.
  • the temporary content related to the playback is deleted.
  • Step S510 The terminal finishes playing the service content and exits the service content.
  • the broadcast control function is implemented by multiplexing the broadcast service, the local coding requirement is reduced, and the requirement for the terminal capability is greatly reduced.
  • Embodiment 4 is an embodiment of a method for playing a service content under a BCAST service
  • Embodiment 4 is a mobile multimedia device for watching a user in real time.
  • the basic method adopted in the fourth embodiment is to combine the content transmission method of the broadcast and the content transmission method of the interactive channel, and supplemented by the service finger of the SG. South to complete the relevant functions.
  • the fourth embodiment specifically includes: Step S601: The terminal acquires the content and information of the service guide SG, and extracts the service content of the terminal from the content and information of the SG.
  • the terminal obtains the content and information of the relevant service guide SG according to the normal BCAST service acquisition process, and extracts the program content of the terminal from the content and information of the SG. By browsing the contents of the SG, the terminal decides whether to subscribe/subscribe/view/schedule and other functions.
  • Step S602 The terminal configures parameters of the receiving device on the terminal, and receives related service content on the specified channel at a specified time.
  • the terminal After the terminal user selects the program content that the terminal needs to play through the SG, the terminal configures the parameters of the receiving device on the terminal according to the pre-configuration and the fragment data of the Access in the SG, and receives the specified channel on the specified time.
  • Related business content When the end user performs business content selection, two types of programs are selected, one is that all users watch the same business content by means of broadcasting; the other is that each user individually selects the business content that the user likes to watch. , enjoy the business content through the interactive channel, this is called the business content of the on-demand.
  • Step S603 The user pauses the playing of the business content.
  • the terminal uses the playback information indicated by the SG to determine whether the playback of the service content can be controlled.
  • the playback control function involved in the fourth embodiment mainly suspends the playback of the service content, and at the same time, the playback of the service content can be resumed by the storage server on the network side.
  • Step S604 The terminal initiates a temporary storage request to the network server by using an interaction channel.
  • the terminal determines whether the service can provide a related play control function, that is, in the fourth embodiment, whether the service provides a function for the network storage server to cache the service content.
  • the address of the media play control server of the play control function needs to be carried in the Service and Content of the SG, and the terminal is required to send the content play control request to the media play control server.
  • the terminal plays the control to the media according to the judgment of the user.
  • the server address submits a content playback control request. If the user needs to cache the playback of the service.
  • the terminal needs to first obtain the current playing time information in the received TS stream, and simultaneously use the related information of the previous Service and Content, and the Pause operation information that the terminal needs to adopt, and use the XML data to carry the relevant information.
  • Information submitted to the media playback control server.
  • Step S605 The terminal performs an operation such as authentication and authentication with the media playback control server.
  • the media playback control server may require the user to provide a user name and password according to the temporary storage request submitted by the terminal, and perform authentication authentication by using PAP or CHAP to ensure that the terminal has the right to perform related media playback content caching.
  • the media playback control server determines, according to the identity information of the terminal user, that the terminal user has the right to perform the relevant temporary storage request, and determines whether the service content can be cached according to the related service content and operation information carried by the terminal user.
  • the media playback control server will carry the success message to the terminal through the response message of 200 Ok, and the service content played by the terminal is in a suspended state.
  • Step S606 After the network side server completes the corresponding authorization and request, the service content is cached.
  • Step S607 After restoring the process of playing the service content, the terminal retrieves the cached service content from the cache server through the related protocol.
  • These protocols can be protocols such as RTSP/RTP/RTCP, or download protocols such as HTTP.
  • Step S608 The terminal locally plays the cached service content.
  • Step S609 After ending the playing of the service content, the terminal notifies the cache server to stop caching the related service content by using a protocol such as HTTP. If a program stops playing, the cache server can also automatically stop caching the business content according to the settings of the terminal.
  • a protocol such as HTTP
  • the playing method of the foregoing service content performs playback control by means of buffering the service content on the network side.
  • the playback control of the cache can be performed in this manner. This method saves the local storage space of the terminal and the calculation amount of the codec, and is more suitable for the playback control of the mobile terminal.
  • the foregoing storage server and cache server may be the same server for storing multimedia service content.
  • a structural diagram of a playback system for a service content includes: a terminal 71, configured to acquire playback control information of a service content playback control function, and perform playback of the service content according to the playback control information.
  • the media playback control server 72 is configured to provide playback control information to the terminal 71 to control playback of the service content of the terminal 71.
  • the terminal 71 realizes the playing of the mobile multimedia service content through the existing network, and the terminal 71 controls the playing of the service content according to the obtained playing control information. Allow users to obtain the same user experience and experience as playing local business content when developing multimedia broadcasting services.
  • FIG. 8 it is a structural diagram of a terminal according to an embodiment of the present invention, including:
  • the information acquisition module 711 is configured to obtain the play control information of the service content play control function
  • the play control module 712 is configured to control the play of the service content according to the play control information acquired by the information acquisition module 711.
  • the terminal 71 may further include:
  • the function determining module 713 is configured to determine the terminal by parsing the play information prompted by the service guide.
  • the function prompting module 714 is configured to prompt the determination result of the function determining module 713 to the terminal 71.
  • the content selection module 715 is configured to select the service content played by the terminal 71 according to the content and information of the service guide;
  • the content receiving module 716 is configured to configure the parameters of the receiving device on the terminal 71 according to the pre-configuration and the data of the Access fragment in the service guide, and receive the service content selected by the terminal 71 to be played on the specified channel at a specified time.
  • the terminal 71 may further include: a play situation reporting module 717, configured to report the play status of the terminal 71 to the media play control server 72 during the process of playing the service content by the terminal 71, for The media play control server 72 switches the service content from the on-demand mode of the interactive channel to the on-demand mode of the broadcast channel according to the play status of the terminal 71 and the user information.
  • a play situation reporting module 717 configured to report the play status of the terminal 71 to the media play control server 72 during the process of playing the service content by the terminal 71, for The media play control server 72 switches the service content from the on-demand mode of the interactive channel to the on-demand mode of the broadcast channel according to the play status of the terminal 71 and the user information.
  • the terminal 71 may further include: a play recovery module 718, configured to resume the play function of the service content being played by the terminal 71.
  • the play recovery module 718 can include:
  • the HTTP recovery sub-module 7181 is configured to submit a play request to the media play control server 72 by using an HTTP request mode, and receive the service content that is subsequently played by the terminal 71 sent by the media play control server 72 by using the HTTP request mode.
  • the play recovery module 718 can also include:
  • the data broadcast recovery sub-module 7182 is configured to receive the content of the data broadcast according to the parameter information of the data broadcast carried by the response message sent by the media play control server 72, and cache the content of the received data broadcast in the storage space of the terminal 71, waiting Resume playback.
  • the play recovery module 718 can also include:
  • the cache recovery sub-module 7183 is configured to obtain the service content cached by the cache server through RTSP, RTP, RTCP, or HTTP, and play the cached business content.
  • the play recovery module 718 includes at least one of the HTTP recovery submodule 7181, the data broadcast recovery submodule 7182, and the cache recovery submodule 7183.
  • the terminal 71 performs the playback of the mobile multimedia service content through the existing network, and the play control module 712 controls the play of the service content according to the play control information acquired by the information acquisition module 711. Allow users to obtain the same user experience and feeling as playing local business content when developing multimedia broadcasting services.
  • FIG. 10 is a schematic structural diagram of a media playback control server according to an embodiment of the present invention.
  • the sending module 7201 is configured to send, to the terminal, play control information for the service content play control function;
  • the control module 7202 is configured to receive a service content play control request of the terminal, and control the media server or the broadcast server according to the service content play control request;
  • the response module 7203 is configured to send a response message of the service content playback control request to the terminal, where the service content playback control processing result is carried in the response message.
  • the switching unit 7204 is further configured to: switch the service content received by the terminal from the interactive channel to the broadcast channel; or switch the service content received by the terminal from the broadcast channel to the interaction channel.
  • the media play control server can implement control over the playback of the terminal service content, and when the broadcast cannot continue to play the service content, switch to the interactive channel, and continue the playback of the service content through the media server (or vice versa), so that the user When the multimedia broadcasting service is launched, the same user experience and feeling as the local service content can be obtained.
  • the present invention can be implemented by hardware, or by software plus necessary general hardware platform.
  • the technical solution of the present invention may be embodied in the form of a software product, which may be stored in a non-volatile storage medium (which may be a CD-ROM, a USB flash drive, a mobile hard disk, etc.), including several The instructions are for causing a computer device (which may be a personal computer, server, or network device, etc.) to perform the methods described in various embodiments of the present invention.
  • modules in the apparatus in the embodiments may be distributed in the apparatus of the embodiment according to the description of the embodiments, or may be correspondingly changed in one or more apparatuses different from the embodiment.
  • the modules of the above embodiments may be combined into one module, or may be further divided into a plurality of sub-modules.

Abstract

L’invention concerne un procédé, un système et un dispositif de diffusion d’un contenu de service, ledit procédé étant applicable dans le champ de la télévision mobile. Selon ledit procédé, une information de commande de diffusion d’une fonction de commande de diffusion d’un contenu de service est acquise; ladite diffusion d’un contenu de service est commandée en fonction de ladite information de commande de diffusion. L’invention permet à un terminal de commander la diffusion d’un contenu de service en fonction d’une information de commande de diffusion acquise et permet à permet à un utilisateur utilisant un service de diffusion multimédia d’avoir la même expérience utilisateur et les sensations que lors de la diffusion d’un contenu de service local.
PCT/CN2009/073720 2008-09-03 2009-09-03 Procédé, système et dispositif de diffusion d’un contenu de service WO2010025675A1 (fr)

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CN200810146556.6A CN101668172B (zh) 2008-09-03 2008-09-03 一种业务内容的播放方法、系统和装置

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CN101668172B (zh) 2012-06-27

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