WO2009155840A1

WO2009155840A1 - Method, system and device for realizing the sharing of group service

Info

Publication number: WO2009155840A1
Application number: PCT/CN2009/072345
Authority: WO
Inventors: 张德文; 漆宝剑; 施有铸; 张妮; 毛凌志
Original assignee: 华为技术有限公司
Priority date: 2008-06-24
Filing date: 2009-06-19
Publication date: 2009-12-30
Also published as: CN101616133A

Abstract

A method, system and device for realizing the sharing of group service are provided in the embodiment of the present invention, which are applied to the field of communication. The method includes the steps of: acquiring a request for sharing the operation of playing control, controlling the content viewing devices in the shared group to perform the sharing of group service based on the request for sharing the operation of playing control, and realizing the acquirement of same program contents at a plurality of content viewing devices in the shared group. The system includes: content viewing devices and (a) service distribution device(s). The service distribution device includes: an acquirement module and an implement module. Whichever manners that a media stream independently playing control and distribution manner, a media stream independently playing control and proxy manner, a media stream proxy and playing control proxy manner or a manner that media streams are associated to enhance the IPTV service adopted by the embodiment of the present invention, it is possible that the service requirement for sharing the service of playing control is satisfied and the shared group is achieved in IPTV system.

Description

Method, system and device for realizing shared group service

The present invention relates to the field of communications, and in particular, to a method, system and apparatus for implementing a shared group service. Background technique

IPTV (Internet Protocol Telephony) service is a service that integrates multiple technologies such as Internet, multimedia, and communication by using a broadband IP network. As a multi-service platform, it can not only carry out traditional audio-visual services (including Live broadcast services, VoD (Video On Demand), and IPTV featured audiovisual services (including time-shifted TV, TVoD (True Video On Demand), and associated TV) can also provide users with other value-added services. For example, games, information browsing, etc. Users can enjoy IPTV services using PC computers, network set-top boxes + ordinary TVs, and enjoy IPTV services through mobile terminals. IPTV uses TCP/IP (Transmitation Control Protocol/Internet Protocol) as the bearer protocol for unicast, broadcast or multicast video services, effectively combining the three fields of TV network, telephone network and Internet. Together, it is the most representative business of triple play, and it is receiving more and more attention from the industry.

With the development of IPTV technology, the inventors have found that the existing IPTV technology cannot meet the following requirements of the shared playback control service when implementing the present invention: For example, multiple users need to view the same content and share the same playback control. For example, multiple users watch sports games on their own IPTV terminals through time-shifted TVs. They want to share playback controls, that is, one of the users performs a trick mode operation (for example, performing a back-up operation, looking back The process of the wonderful goal), all other users' pictures are consistent with the user's picture, just as all users perform the same Trit Mode operation, all of these users can perform the shared Trit Mode operation. Or only a specified user can perform the Trit Mode operation. For example, in the IPTV home application, parents want to monitor the child's IPTV terminal and display it on the parent's IPTV terminal. The screen on the IPTV terminal of the child, when the monitored child changes the channel, the parent's IPTV terminal also automatically switches to the same channel, and the parent can perform the channel switching operation to switch the child's terminal to a certain TV. Channel. Summary of the invention

In order to meet the requirements of the shared broadcast control service and implement the shared group, the embodiments of the present invention provide a method, system and device for implementing a shared group service. The technical solution is as follows:

A method for implementing a shared group service, the method comprising:

Obtaining a shared play control operation request, and controlling the content viewing device in the sharing group to perform group service sharing according to the shared play control operation request, so that the plurality of content viewing devices in the shared group acquire the same program content.

A system for implementing a shared group service, the system comprising: a service distribution device and a content viewing device, wherein the content viewing device is a plurality of;

The service distribution device is configured to acquire a shared play control operation request from the content viewing device, and control a content viewing device in the shared group to perform group service sharing according to the shared play control operation request;

The content viewing device is configured to perform a shared playback control operation; and is further configured to implement group service sharing under the control of the service distribution device.

A service distribution device, the device comprising:

And an obtaining module, configured to acquire a shared playback control operation request from the content viewing device, and an execution module, configured to control the content viewing device in the shared group to perform group service sharing according to the shared playback control operation request acquired by the acquiring module.

A content providing server, the content providing server comprising:

a receiving module, configured to receive a play control operation request;

The processing module is configured to: the playback control operation request received by the receiving module is applied to the reference media stream to implement the same program content by all the content viewing devices in the shared group. A playback operation device, the device comprising:

a detecting module, configured to detect a playback control operation of the media content viewed by the content viewing device in the shared group;

And a triggering module, configured to send a shared play control operation request to the service distribution device after the detecting module detects the play control operation.

The beneficial effects of the technical solutions provided by the embodiments of the present invention are:

Controlling, by the preset shared group, the plurality of content viewing devices in the shared group to perform group service sharing according to the acquired shared playback control operation request, so that the plurality of content viewing devices in the shared group obtain the same program content, and satisfy Shared playback controls business needs and enables shared groups. DRAWINGS

1 is a schematic diagram of a system for implementing a shared group service according to an embodiment of the present invention;

2 is a flowchart of a method for implementing a shared group service according to an embodiment of the present invention;

3 is a flowchart of a method for implementing a shared group service according to Embodiment 1 of the present invention;

4 is a flowchart of a method for implementing a shared group service according to Embodiment 1 of the present invention;

FIG. 5 is a flowchart of a method for implementing a shared group service according to Embodiment 3 of the present invention; FIG.

6 is a flowchart of a method for implementing a shared group service according to Embodiment 4 of the present invention;

7 is a flowchart of a method for implementing a shared group service according to Embodiment 5 of the present invention;

8 is a flowchart of a method for implementing a shared group service according to Embodiment 6 of the present invention;

9 is a flowchart of a method for implementing a shared group service according to Embodiment 7 of the present invention;

10 is a flowchart of a method for implementing a shared group service according to Embodiment 8 of the present invention; FIG. 11 is a flowchart of a method for implementing a shared group service according to Embodiment 9 of the present invention; FIG. 12 is an implementation sharing provided by Embodiment 10 of the present invention. FIG. 13 is a flowchart of a method for implementing a shared group service according to Embodiment 11 of the present invention; FIG. 14 is a flowchart of a method for implementing a shared group service according to Embodiment 12 of the present invention; Embodiment 1 of the present invention provides a schematic diagram of a system for implementing a shared group service; 16 is a schematic diagram of a service distribution apparatus according to Embodiment 14 of the present invention;

Figure 17 is a schematic diagram of a content providing server according to Embodiment 15 of the present invention;

Figure 18 is a diagram showing the playback operation device provided in Embodiment 16 of the present invention. detailed description

The embodiments of the present invention will be further described in detail below with reference to the accompanying drawings.

In order to meet the requirements of the shared play control service and implement the shared group, the embodiment of the present invention provides a method, system and device for implementing a shared group service, that is, a shared play control service, that is, multiple users form a shared group and watch the same content. Share the same playback controls. The shared group may be referred to as a shared control group or a control group. For convenience of description, it will be simply referred to as a group hereinafter.

FIG. 1 is a schematic diagram of a system for implementing a shared group service according to an embodiment of the present invention, which mainly includes: a group management apparatus, a service distribution apparatus, a playback operation apparatus, and a content viewing apparatus;

1. A group management device for initiating a group management operation request to establish and revoke a group, and may initiate a request to join or leave the content viewing device.

In an IMS (IP Multimedia Subsystem) network, the group management device may be located in a User Equipment UE (User Equipment) or an Application Server AS (Appl I Server), or a Media Server MF (Media Function) or the like. The group management device may be located at the same or different physical entity as the content viewing device, may be located at the same or different physical entity as the playback operating device, or may be located at the same or different physical entity as the service distribution device.

The E1 interface can be connected between the group management device and the service distribution device. The E1 interface can be a direct interface or an indirect interface, for example, through an IMS Core (IMS core network). The E1 interface protocol includes but is not limited to: HTTP (Hypertext Transfer Protoco), SIP (Session Initiation Protocol), other standard protocols or proprietary protocols. 2. A service distribution device, configured to establish and maintain an association relationship between the content viewing device and the group to which it joins, manage sharing of the playback control operations within the group, and perform sharing of the playback control operations, so that the content viewing device of the same group is added Watch the same media content and share playback control operations.

Further, the service distribution device may include a play management module, a play execution module, and a content providing module, where

a), a play management module, configured to manage the sharing of the play control operation, control the play execution module to complete the execution of the play control operation sharing; or to receive the shared play control operation request of the play operation device, or instruct the play execution module to receive the play operation The device's shared playback controls the operation request.

b), a play execution module, configured to perform sharing of the play control operation under the control of the play management module, so that the play control operation finally acts on the content providing module to complete the play control operation of the media content. It is further configured to receive a shared play control operation request of the playback operating device under the instruction of the play management module. Wherein, one or more play execution modules may be included in one service distribution device to implement sharing of the play control operations under the control of the same play management module.

c), a content providing module, configured to acquire media content and provide media content to the content viewing device. The media content provided by the content providing module may be from other content sources such as an IPTV program content source. The content providing module may have one or more, and a content providing module may also provide media content to one or more content viewing devices. For example, each content viewing device within the group corresponds to a separate content providing module, or all content viewing devices within the group are provided with media content by the same content providing module.

In the IMS network, the service distribution device may be located in the user equipment UE or the media server MF, or the multicast media copy control point and the copy point ECF/EFF (Elementary Control Funct ion/Elementary Forwarding Funct ion) in the multicast service. . The service distribution device may also be located at the application server AS and the media server MF, or the application server AS and the user equipment UE, and the like.

Each module in the service distribution device may be located in multiple physical entities. For example, the play management module of the service distribution device may be located in the application server AS, and the play execution module may be located at the user. In the device UE. For another example, the play management module can be located in the application server AS, the play execution module can be located in the media server MF, and the like. The content providing module may be a media content distribution network composed of a plurality of media servers MF, and may be a single media server MF, and may further be a user equipment UE or a media multicast network.

3. The playback operating device is configured to initiate a shared playback control operation request to the service distribution device to trigger sharing of the playback control operation.

The E2 interface protocol may be implemented by using the E2 interface, including but not limited to: RTSP (Rea l Time Streaming Protocol), and IGMP (Internet Group Mul t icas t) Protocol, Internet Group Management Protocol), HTTP, SIP, etc. Also, there may be one or more playback operating devices, each of which is capable of initiating a shared playback control operation request.

In the IMS network, the playback operating device may be located at the user equipment UE, or may be located at the media server MF, the application server AS, or the like. The playback operating device may be located at the same or different physical entity as the group management device, may be located at the same or different physical entity as the content viewing device, or may be located at the same or different physical entity as the service distribution device. For example, the playback operating device and the content viewing device may be located in the same user equipment UE.

4. The content viewing device is configured to receive the media content from the service distribution device, and provide the output of the obtained media content to the user, and also send the group join request or receive and process the group join request from the group management device. To join the shared control group.

The E3 interface may be a direct interface or an indirect interface, for example, through an IMS Core, and the interface protocol includes but not limited to: SIP, RTSP, IGMP, other standard protocols, or Private agreement. The M1 interface is used as a media stream interface between the content viewing device and the service distribution device, and the M1 interface protocol includes but is not limited to: RTP/RTCP (Rea lt ime Transport Protocol/Rea lt ime Transport Control Protocol, real-time transmission protocol/ Real-time transmission control protocol). Wherein, there may be multiple content viewing devices, and multiple content viewing devices joining the same group view the same media content, and are After sharing the playback control operation, the same media content is still seen.

In the IMS network, the content viewing device may be located in the user equipment UE, and may be an IPTV service client that implements playing the IPTV program media content, and has a play control operation function, and can perform a playback control operation on the media content that is viewed by itself. Before joining the group, the content viewing device can perform a playback control operation on the media content that it views, and after joining the group, the playback control operation of the content viewing device is blocked, that is, the user's playback control operation request is not executed.

In summary, the embodiments of the present invention provide a system for implementing a shared group service, and each device and its modules in the system can implement a shared group to meet the requirements of the shared playback control service. Referring to FIG. 2, a method for implementing a shared group service by using the system provided by the embodiment of the present invention will be discussed. Step 101: The content viewing device joins the group.

First, the so-called content viewing device joins the group, which means establishing an association relationship between the content viewing device and the group, and preparing for the sharing of the playback control. Among them, the content viewing device joins the group in the following two ways: the content viewing device passively joins and actively joins two ways:

First, the way of being powered by the mouth

The service distribution device sends a group join request message to the content viewing device through the E3 interface, and receives the group join response message returned by the content viewing device, thereby implementing the content viewing device to join the group; wherein the service distributing device is acquiring the group management device After the group join request message sent by the E1 interface, the group join request message is further forwarded to the content viewing device. This method can be called as follows: The content viewing device is passively added.

Second, the main power p into the way

The service distribution device receives the group join request message sent by the content viewing device via the E3 interface, and returns a group join response message to the content viewing device, thereby adding the content viewing device to the shared control group.

Further, the group join request message may carry the group information to be added, wherein, according to whether there is an independent group establishment process, the group information has the following two situations: 1. There is an independent group establishment process: the group management apparatus passes in advance The E1 interface sends a group establishment request message to the service distribution device, and the service distribution device processes the group establishment request message to create a shared control group to the group management device. The group establishment response message is sent to complete the establishment of the group. The group establishment request message may carry the group establishment indication information, the list information of the content viewing device identifier that is allowed or not allowed to join the sharing control group, and the playback operation authority information (for example, which content viewing devices have the playback control operation authority) , or which content viewing device does not have playback control operation rights), content source information of the group

(eg IPTV program content identification). The group establishment request message can be implemented by using an HTTP message, a SIP message, or the like. Since the group has successfully established the group in this case, the group information carried in the group join request message is already existing group information (for example, group identification information, etc.). 2. There is no independent establishment process: The group join request message indicates that a new shared control group is created, and the group to be joined is the newly created group. In this case, the group information carried in the group join request message is the indication information for creating a new shared control group.

Further, the group join request message may further carry content viewing device information requested to join the group, such as content viewing device identification information, and may carry a plurality of content viewing device information.

Further, the group join request message may further carry request originator information, such as group management device identification information, or content viewing device identification information.

Further, the group join request message may carry service distribution device information, such as service distribution device identification information.

Further, the group join request message may also carry content viewing device control information for controlling the content viewing device to automatically join the viewing of the specific content.

Further, the group join request message may further carry the play control right information, which is used to indicate the content viewing device with the play control right, may be the identifier of some specific content viewing devices or indicate that all the content viewing devices have the play control right. .

Further, the group join request message may further carry the group join request indication information, which is used to indicate that the message is specifically a group join request message.

As described above, the control group join request message may be implemented by "HTTP request message", "SIP Mes sage message", "SIP Info message", "SIP INVITE message", "SIP REFER message", and the like. It should be particularly noted that the group involved in this embodiment may be an explicit group, that is, There are clear group information, such as the presence of the identity of the shared control group, etc.; it can also be an implicit group, that is, there is no explicit shared control group related information, there is no group identity, but only the specific content that the content viewing device needs to watch. The media content, the specific media content may be direct media content information, such as an IPTV program content identifier, or may be indirect media content information, for example, with a certain content viewing device as a reference, requesting to view the same viewing by the content viewing device. Media content.

Step 102: The service distribution device performs playback control preparation.

In the above step 101, when the content viewing device joins the group, the service distribution device needs to complete the preparation for the playback control sharing. The media content viewed by each content viewing device in the group is independent. Accordingly, there are two basic ways to implement the playback control sharing: media stream independent mode and media stream association mode:

First, the media stream independent way

The media content viewed by the content viewing device is independent, that is, there is no association relationship between the media streams that are viewed by each other, and the content viewing device separately acquires the media content, for example, each independently acquires the IPTV service program content, and the media viewed by each content viewing device. The content can be provided by different content providing modules. In this way, the sharing of the playback control operations of these independent media streams needs to be completed under the control of the service distribution device;

Second, the media stream association method

The media content viewed by each content viewing device is provided by the same content providing module, and the media streams viewed by the respective content are associated with each other, for example, copied and distributed on the basis of the same content source (may be transcoded in between) The processing, for example, converting from one audio and video encoding to another, or changing the image size, etc., but the viewed media content itself is the same, and the media stream provided by the content source can be called Refer to the media stream). In this manner, the playback control operations corresponding to the plurality of content viewing devices need to be concentrated on the content providing module under the control of the service distribution device, that is, concentrated on the reference media stream, thereby realizing the sharing of the playback control operations.

The following describes the preparation of the playback control sharing in two modes. First, the media stream independent way

This method can be further divided into a play control distribution method and a play control proxy method. among them,

1, playback control distribution method

The play control distribution mode is a play control operation in which the content viewing device having the play control right of the group can perform the media content that the user is watching, and the play operation device detects the sharing of the play control after detecting the play control operation of the content viewing device. The service distribution device transmits a shared playback control operation request. In the service distribution device, the play management module determines the play execution module corresponding to the content viewing device according to the content viewing device of the joined group, and establishes an association relationship between the play execution module and the group. When receiving the shared playback control operation request of the playback operating device, the playback control operation is distributed to the playback execution module corresponding to the other content viewing devices participating in the group, and the playback control operations are respectively performed by the respective playback execution modules. Thus, the same playback control operation is performed for the media content viewed by other content viewing devices within the group.

The playback operating device may be configured to initiate a playback control operation, or a playback control operation during execution, or after the playback control operation is completed, detect the playback control operation, and trigger the sharing of the playback control.

The sharing of the above play control can be regarded as a passive play control sharing, that is, when a media content watched by a content viewing device plays a playback control operation, the sharing of the play control is triggered, and the distribution is controlled by the play control operation. The media content viewed by other content viewing devices performs the same playback control operation. For example, the content viewing device included in the group includes A, B, and C. It is assumed that A has the playback control right, and the user corresponding to A performs the channel change operation, and the playback operation device of A detects the channel change operation of A, and triggers the playback control. Sharing, sending a shared play control operation request to the service distribution device, and the play execution modules corresponding to B and C in the service distribution device respectively perform respective play control operations, thereby realizing the media content viewed by other content viewing devices in the group The same playback control operation was performed.

In addition, the content viewing device that does not have the playback control right may receive the playback control right indication sent by the service distribution device during the process of joining the group, and is used to indicate whether to block the user's play control. The operation control request, wherein the play control right indication may be sent to the content viewing device, to notify the content viewing device not to process the user's play control operation request, that is, not to send to the content providing module when receiving the user's play control operation request The content control module may be directly sent to the content providing module in the service distributing device corresponding to the content viewing device for notifying the content providing module not to execute the playback control operation request of the user sent by the content viewing device.

The play execution module may directly play control on the media stream of the content viewing device, for example, directly requesting the content control module corresponding to the content viewing device to perform a play control operation, or may send the play control operation request to the content viewing device for viewing by the content. The device completes the playback control operation, that is, after the content viewing device receives the playback control operation request from the playback execution module, it sends a playback control operation request to the content providing module.

The processing flow is as follows:

The service distribution device processes the content viewing device to join the shared control group, that is, the service distribution device sends the group join request message to the content viewing device through the E3 interface, receives the group join response message sent by the content viewing device, or the service distribution device passes The E3 interface receives the group join request message sent by the content viewing device, and the service distribution device records the association relationship between the content viewing device and the group, and determines the playback operation device corresponding to the content viewing device of the group, and indicates the playback operation through the E2 interface. The device detects a playback control operation of the media content viewed by the content viewing device, and transmits a shared playback control operation request to the playback management module upon detecting the playback control operation. In this step, the service distribution device may determine a play execution module corresponding to the content viewing device of the join group, and establish a play control relationship of the media content viewed by the content viewing device, so as to be triggered when the play control operation is triggered by other content viewing devices. When the play control sharing is performed, a play control operation request is sent to the play execution module corresponding to the content viewing device, so that the media content viewed by the content viewing device performs the same play control operation.

In this step, if the content viewing device does not have the playback control right of the shared playback control, the service distribution device may instruct the content viewing device to block the user's playback control operation request. The service distribution device may carry the group join request message sent to the content viewing device through the E3 interface Instructing information, or after transmitting the group join request message sent by the content viewing device through the E3 interface, transmitting the control group join response message to the content viewing device through the E3 interface, or transmitting the indication information to the content viewing device through the E3 interface Other messages indicating the information. Alternatively, the service distribution device (specifically, the play management module) directly instructs the content providing module corresponding to the content viewing device to block the user's play control operation request, that is, does not process the user's play control operation request sent by the service viewing device.

2, play control agent mode

The play control proxy mode is that, when the service distribution device processes the content viewing device to join the group, the content viewing device having the playback control right determines the playback operation device corresponding to the content viewing device, and the user of the content viewing device requests to perform the playback control. In operation, a shared playback control operation request is transmitted from the corresponding playback operating device to the service distribution device. In the service distribution device, the play management module establishes a play control relationship between the play execution module and the media stream viewed by the content viewing device according to the content viewing device of the joined group, and instructs the play execution module to receive the shared play control sent by the play operation device. The operation request applies the shared play control operation request to the media stream corresponding to each content viewing device, and performs sharing of the playback control of each media stream.

In the play control proxy mode, each content viewing device shields the user's playback control operation request under the instruction of the service distribution device, receives and processes the user's playback control operation request by the corresponding playback operation device, or the content viewing device receives The user's playback control operation request is sent to the corresponding playback operation device instead of being directly executed by the content viewing device in the original manner (directly requesting the content providing module to perform the playback control operation). After receiving the playback control operation request, the playback operation device sends the playback execution module to the proxy execution, that is, the playback execution module re-acts to the media content corresponding to each content viewing device.

The sharing of the above play control can be regarded as a kind of active play control sharing, which is not triggered passively when the media content viewed by a content viewing device is played, and is sent to the play execution module for unified agent execution. Complete sharing of playback controls. For example, the content viewing device within the group includes A, B, C, wherein, assuming that A has playback control, when the user of A executes In the channel changing operation, the playback operation device corresponding to A receives the channel change operation request, and transmits the channel change operation request to the play execution module agent corresponding to A, B, and C in the service distribution device, because the service is distributed inside the service distribution device. Establishing a play control relationship between the play execution module and the media stream viewed by the content viewing device, and the switch operation request can be applied to the media content corresponding to each content viewing device in the group, that is, corresponding to B, C On the media content, the content viewing device, B, C switching operation is realized.

The content viewing device that does not have the playback control right may not establish the correspondence of the playback operation device under the control of the playback management module during the process of joining the shared control group, or the corresponding playback operation device sends a shared playback control operation request, and the playback is performed. The module refused to execute.

The play execution module may directly perform a play control operation on the media stream viewed by the content viewing device, for example, directly requesting the content control module corresponding to the content viewing device to perform a play control operation, or may send the play control operation request to the content viewing device. The viewing device completes the playback control operation, that is, the content viewing device transmits a playback control operation request to the content providing module.

There may be multiple playback operation devices corresponding to different content viewing devices, but only one playback execution module exists, and a shared playback control operation request of multiple playback operation devices is sent to the playback execution module, and the playback execution module is A playback control operation of the media content corresponding to each content viewing device in the group is performed. The content viewing device is multiple, and the media content viewed by each content viewing device is independent, that is, there are multiple independent media streams, and the playing execution module records the playing control relationship of the media streams, and when the content has the playing control right, the content is viewed. When the playback operation device corresponding to the device transmits the shared playback control operation request, the playback execution module performs a playback control operation for the media streams of all the content viewing devices.

The play control proxy mode is to perform a play control proxy operation on all the media streams in the group by the same play execution module, and send the shared play control operation request of the play operation device to the play execution module under the control of the play management module. Agent execution.

The processing flow is as follows:

The service distribution device processes the content viewing device into the group, that is, the service distribution device passes The E3 interface sends a group join request message to the content viewing device, receives the group join response message sent by the content viewing device, or the service distribution device receives the control group join request message sent by the content viewing device through the E3 interface, and the service distribution device Recording the relationship between the content viewing device and the group, determining the play execution module, and determining the play operation device corresponding to the content viewing device, instructing the content viewing device to block the user's play control operation through the E3 interface, and changing to the corresponding play operation device Receiving processing, or instructing to send a user's playback control operation request to the playback operating device. This may be carried in the group join request message or the group join response message sent by the service distribution device to the content viewing device via the E3 interface, or by transmitting other additional message indications. The service distribution device may further instruct the playback operation device to receive the playback control operation request of the user through the E2 interface, and send a shared playback control operation request to the determined play execution module upon receiving the playback control operation request of the user.

For the content viewing device that does not have the playback control right of the shared control group, the service distribution device may not determine the playback operation device corresponding to the content viewing device, and only instruct the content viewing device to block the user's playback control operation request, or determine the corresponding playback operation. The device, but instructs the play execution module not to perform the play control operation request of the play operation device.

In this step, under the control of the play management module, the play execution module establishes a play control relationship with the media stream viewed by the content viewing device, so that when the shared play control operation request is received, the content viewing device can be executed. The playback control operation of the viewed media stream. The execution of the specific playback control operation may be that the play execution module sends a play control operation request to the content providing module corresponding to the content viewing device, or sends a play control operation request to the content viewing device, and the content viewing device performs the play control, that is, The content viewing device transmits a playback control operation request to the content providing module.

In this way, after the plurality of content viewing devices join the same group, in the service distribution device, the play execution module establishes a play control agent relationship under the control of the play management module, that is, records which play operation devices of the shared control group (further further Which playback controls can be recorded), which media content is required for the playback control operation. When receiving the shared play sent by the playback operation device When the operation request is controlled, the media content is applied to the sharing of the playback control.

In the media stream independent play control proxy mode, the media content viewed by the content viewing device can be independently obtained from the IPTV service, and the service distribution device and the IPTV service may be in one physical entity, or part of the service distribution device, such as a play management module. The IPTV service establishes an agent relationship of play control in a physical entity during the establishment of an IPTV media session by the content viewing device, or by modifying the media session, but still maintains the independence of the media content. For example, after the content viewing device joins the group process or joins the group, a playback control channel (referred to as a first playback control channel) between the playback operation device corresponding to the content viewing device and the playback execution module is established by establishing a new session, and the playback is established. a playback control channel (referred to as a second playback control channel) between the execution module and the content providing module corresponding to the content viewing device, and establishing an association relationship between the two control channels (ie, the first and second playback control channels), that is, Agency relationship. Or modifying the session, modifying the playback control channel between the established content viewing device and the content providing module to a playback control channel between the playback execution module and the content providing module (ie, the second playback control channel), establishing content viewing The playback control channel (ie, the first playback control channel) between the playback operation device and the playback execution module of the device is established, and the proxy relationship is established.

Second, the media stream association method

The content control device is shared by the content viewing device, and is uniformly provided by the service distribution device. Specifically, the content distribution module in the service distribution device completes the distribution of the media content, and the content viewing device receives and plays the obtained content. The media stream distributed by the content providing module. Due to the relationship between the media streams, for example, the content providing module performs copy distribution on the basis of the same content source (may be processed by transcoding, for example, from one audio and video encoding to another) The video encoding method, or the image size varies, but the viewed media content itself is the same, and the content source may be referred to as a reference content source, and accordingly, the media stream provided is referred to as a reference media stream, and each The playback operation corresponding to the content viewing device acts on the same content source, which is equivalent to simultaneously acting on each media stream, so that the same media content is seen on each content viewing device. Here, the content viewing device is to be viewed by the service distribution device. Media content, a media session needs to be established with the service distribution device to establish a media stream. This can be done by modifying an existing session, or by creating a new session. The modifying the existing session is a session in which the media content viewing has been established between the content viewing device and the service distribution device. For example, the service distribution device is located in the IPTV service entity, and the source of the media stream is modified by modifying the attributes of the session. Establish an association with the shared control group media stream. The content viewing device and the service distribution device re-negotiate the media stream parameters as needed. Establishing a new session is a session in which a new media content viewing is established between the content viewing device and the service distribution device, such that the content viewing device receives and plays the particular media content corresponding to the shared control group distributed from the service distribution device.

Whether you are modifying a session or creating a new session, you want to establish a connection between the session and the shared control group. It may be called joining a shared control group session. The content viewing device joins the shared control group session after joining the shared control group or joining the shared control group. Content viewing devices join a shared control group session in two ways:

(1) The content viewing device initiates a control group session join request to the service distribution device.

After receiving the group join request message sent by the group management device, the service distribution device sends a group join request message to the content viewing device through the E3 interface, and the content viewing device receives the group join request message through the E3 interface, and then sends the group join request message through the E3 interface. The service distribution device transmits a control group session join request message; or the content viewing device transmits a group join request message to the service distribution device via the E3 interface, and after receiving the group join response message sent by the service distribution device, the content viewing device transmits control to the service distribution device The group session join request message; or the content viewing device directly sends a control group session join request message to the service distribution device through the E3 interface, and the control group session join request message is simultaneously a group force p-in request message.

After the service distribution device processes the control group session join request, the control group session joins the response message, so that the content viewing device joins the control group session and establishes the association relationship of the media stream.

The control group session join request may be located in the group join response message, that is, the control group session join request message and the group join response message are the same message; the control group session join request may also be located in the group join request message, that is, the control group session join request The message and the group join request message are the same one. Interest.

(2) The service distribution device initiates a control group session join request to the content viewing device.

After receiving the group join request message sent by the group management device through the E1 interface, the service distribution device initiates a control group session join request to the content viewing device. At this time, the control group session join request may be located in the group that the service distribution device sends to the content viewing device. In the join request message, that is, the group join request sent by the service distribution device to the content viewing device and the control group session join request are the same message; or the service distribution device receives the control group join request message from the group management device through the E1 interface, Sending a group join request message to the content viewing device through the E3 interface, and after receiving the group join response message sent by the content viewing device through the E3 interface, the service distributing device initiates a control group session joining request to the content viewing device through the E3 interface; or After receiving the group join request message of the content viewing device through the E3 interface, the distribution device transmits a control group session join request message to the content viewing device.

In the two modes, the group join request message transmitted on the E3 interface may be inconsistent with the content of the group join request message transmitted on the E1 interface. For example, the service distribution device uses the shared control group information transmitted on the E1 interface by the indirect media content. The information is converted into direct media content information, for example, the media content with a certain content viewing device as a reference is converted into a corresponding media content identifier, and, for example, a service distribution is added to the group join request message transmitted on the E3 interface. Device information and so on.

In the above, the control group session join request message may be a "SIP INVITE message", or a "SIP REINVITE message" or the like. The message may carry the shared control group identifier, and the shared control group identifier may be carried in the request universal resource locator "Reques t URI" of the SIP message, or request the universal resource locator "Reques t URI" still according to the existing manner of the IPTV program. The message additionally carries the shared control group identifier, for example, carried in the header field or in the message body.

After the content viewing device joins the control group session, the media content from the service distribution device is received through the M1 interface, and the media content is specifically transmitted by the content providing module in the service distribution device. The manner in which the content providing module sends media content to the content viewing device includes unicast and multicast.

The media content provided by the content providing module may come from the content providing module itself, such as content The content module is an IPTV service media server, has stored media content or has acquired media content; or is obtained from other content sources, such as from an IPTV program content source, and the content providing module needs to obtain media content by establishing an IPTV program. In the latter case, the content providing module needs to separately establish a media stream with other content sources, which may be completed when the shared control group is established, that is, the service distributing device receives the group establishment request message sent by the group management device, and The message carries the content source information of the group, for example, the program content identifier, and the service distribution device establishes a relationship with the media stream of the content source in the process of establishing the group, and uses the media stream as the input of the media content of the group. The service distribution device may also establish the media stream when the first content viewing device joins the group and joins the control group session.

In the process of the content viewing device joining the shared control group session, for the content viewing device having the playback control, the media stream is established except that a new session is established or an existing session is modified to establish a media stream or modify an existing media stream. In addition to the association, a playback operation device corresponding to the content viewing device is also determined, and a playback control channel between the playback operation device and the service distribution device is established, specifically establishing a playback control channel with the playback execution module of the service distribution device, and Establishing an association relationship between the playback control channel and the group content source, so that the playback control operation will be applied to the content source of the shared control group. The content viewing device that does not have the playback control right is not sure of the corresponding playback operation, or may also determine the corresponding playback operation device, but the playback execution module does not process the playback control operation request of the playback operation device.

In this way, the media stream received by the content viewing device that joins the shared control group session comes from the copy distribution of the service distribution device on the same content source (possibly after transcoding, etc.), and the playback control operation also acts on the same content. On the source, the media content viewed by these content viewing devices remains the same.

In the media stream association mode, according to the relationship between the service distribution device and the IPTV service (for example, the LTV service and the VoD service), the method may further be divided into two modes: a media stream proxy and a play control proxy mode, and an IPTV service enhancement mode.

(1) Ways of media streaming agent and playback control agent The service distribution device is independent of the IPTV service, and the service distribution device acquires the media content from the IPTV service and copies and distributes the content to the content viewing device. When the service distribution device receives the playback control operation of the playback operation device corresponding to the content viewing device having the playback control right, The playback control operation is further requested to the IPTV service.

(2) IPTV service enhancement method

The service distribution device is located in the IPTV service entity (for example, in the LTV service entity, in the VoD service entity), and is an enhancement of the existing IPTV service, that is, establishing an association between the sessions of the content viewing device that joins the group in the IPTV service, and The association between media streams and playback controls.

Step 103: The playback operation device initiates a shared playback control operation request to the service distribution device. After the content viewing device joins the group and prepares for the shared playback control, when the user of the content viewing device having the playback control right requests to perform the playback control operation, the playback operation device corresponding to the content viewing device is distributed to the service through the E2 interface. The device sends a shared playback control operation request.

According to the foregoing description, in the present invention, the shared playback control has several different implementation manners, namely, media stream independent play control distribution mode, media stream independent play control proxy mode, media stream proxy and play control proxy mode, media stream association. The IPTV service enhancement method. Among them, the first method is a passive way, and the latter three are active methods.

1) in the passive mode, when the playback operation device corresponding to the content viewing device detects that the media content viewed by the content viewing device (ie, the content viewing device having the playback control right) has a playback control operation, triggering the sharing of the playback control, The service distribution device transmits a shared playback control operation request.

In this manner, the media content viewed by the content viewing device of the group is independently acquired from the IPTV service, and the content viewing device having the playback control right can also process the playback control operation request of the user, and request the media to be viewed by the IPTV service. The content playback control operation (the content viewing device that does not have the playback control right, and the user's playback control operation request is blocked under the instruction of the service distribution device). The playback operation device needs to detect the occurrence of the playback control requested by the user of the content viewing device, which may be that the content viewing device receives and processes the user's playback control operation request, or the content viewing device transmits the user's playback control operation request, or content viewing. The device receives the IPTV service to the user The response of the playback control operation, or the IPTV service receives the playback control operation request requested by the user, or the IPTV service performs the playback control operation requested by the user, or the IPTV service completes the execution of the playback control operation requested by the user, and the content viewing is detected. The playback control operation requested by the user of the device.

Another situation in which the media content of the content viewing device is subjected to the playback control operation is because there are other content viewing devices requesting the playback control operation, because the playback control sharing causes the media content viewed by the content viewing device itself to also undergo the same playback control operation. . This playback control operation due to sharing should not trigger the sharing of playback controls. Therefore, if the playback operation device can detect such a playback control operation, it is necessary to identify whether the playback control operation is caused by sharing, and if so, the sharing of the playback control is no longer triggered, that is, the shared playback control operation is not sent to the service distribution device. request. Otherwise, the sharing of the playback controls is triggered. Or, according to the system needs to be set to play, the operating device can only detect the playback control operation initiated by the content viewing device, and the playback control operation caused by the playback control sharing cannot be detected.

Wherein, when the playback operation device recognizes whether the playback control operation of the media content viewed by the content viewing device is caused by the play control sharing, the following may be implemented: identifying the source of the playback control operation request, for example, the playback control operation request is initiated by the user, or The playback execution module initiates; or the control carries an indication carried in the operation request, such as indicating whether the reason for the playback control operation is operated by the user or because of sharing.

2) In the active mode, the playback control operation request of the user of the content viewing device is received and processed by the corresponding playback operation device, or the content viewing device receives the playback control operation request from the user and sends it to the corresponding playback operation device for playback. The operating device transmits a shared playback control operation request to the service distribution device.

The shared play control operation request message may be "RTSP PLAY/PAUSE message", "IGMP leave/join message", "SIP REINVITE message", "HTTP request message" " Wait.

Step 104: The service distribution device receives and processes the shared play control operation request sent by the play operation device, and performs sharing of the play control operation in the group. In this step, the service distribution device receives the shared play control operation request sent by the play operation device through the Ε2 interface, and the service distribution device processes the shared play control operation request, for example, authenticates the shared play control operation request, and determines the corresponding content view. Whether the device has playback control right, and the playback control operation is performed after the authentication is passed. Among them, the playback control operation has at least three types as follows:

1. Switching to the station, that is, switching channels when watching live programs.

2, Switch between time shift/live stream, that is, when watching live programs that support time-shifted services, watch the content from the live broadcast, or move from time to time to watch the live content.

3, VCR (Video Ca s se t te Recorder) operation, that is, pause, fast forward, fast rewind, resume playback and other operations. VCR operations can be performed during live broadcast time shifting, or on-demand (e.g., VoD) program viewing.

For the four playback control sharing modes described above, the following describes the execution process of the playback control sharing separately:

1) Media stream independent playback control distribution method.

The play management module determines the play execution module corresponding to the content viewing device based on the content viewing device of the joined group. After receiving the shared playback control operation request of the playback operation device, the service distribution device receives the shared playback control operation request by the play management module in the service distribution device, according to the correspondence between the content viewing device and the playback operation device. Identifying a content viewing device corresponding to the playback operation device that transmits the shared playback control operation request, and distributing the playback control operation to the playback execution corresponding to the other content viewing devices participating in the group other than the playback execution module corresponding to the content viewing device Modules, which perform playback control operations by these playback execution modules, respectively. Thus, the media content viewed by other content viewing devices performs the same playback control operation.

The manner in which the playback execution module specifically performs the playback control operation may be that the playback control operation request is sent to the content viewing device, and the content viewing device completes the playback control operation. It is also possible to directly apply the playback control operation to the content providing module that provides the media content to the content viewing device, i.e., to send a playback control operation request to the corresponding content providing module.

2) The media stream independently plays the control proxy mode. In this manner, since the play control agent relationship between the play operation device and the play execution module is established, that is, which play operation devices of the group (further, which playback control rights can be recorded), which media content is required for the play control operation. The service distribution device receives the shared play control operation request, specifically, receives the shared play control operation request of the play operation device by the play execution module in the service distribution device, and performs playback of the media content corresponding to each of the content viewing devices of the join group. Control operation.

The playback execution module may, when processing the shared playback control operation request, sign the shared playback control operation request, and determine whether the content viewing device corresponding to the playback operation device that sends the shared playback control operation request has the playback control right. If there is no playback control, playback control is refused.

The play execution module specifically performs the play control operation, and may send a play control operation request to the content providing module corresponding to the content viewing device, or send the play control operation request to the content viewing device, and the content viewing device performs the play control.

3) Media streaming proxy and playback control proxy mode.

In this manner, the content viewing device establishes a proxy relationship between the media stream and the play control by joining the shared control group session, that is, the media content viewed by the content viewing device is uniformly provided by the service distributing device, and the playback control operation is also uniformly processed by the service distributing device. Specifically, the distribution of the media content is completed by the content providing module in the service distribution device, and the content viewing device receives and views the distributed media stream. These media streams are distributed and distributed by the content providing module on the basis of the same content source. The specific replication distribution may be copied and distributed by the media server, for example, distributed through the media content network or distributed on the source media server, and the process may be transcoded or processed; or through the bearer network multicast mode. Distribution.

The shared playback control operation request sent by the playback operation device corresponding to the content viewing device having the playback control right is sent to the playback execution module in the service distribution device, and is executed by the playback execution module. After receiving the shared playback control operation request, the play execution module acts on the content source, which is equivalent to simultaneously acting on each media stream, so that the same is seen on each content viewing device. Media content.

The service distribution device acquires the media content of the IPTV service by establishing an IPTV service, serves as a content source of the shared control group, and establishes a play control channel of the media content of the IPTV service, so as to enable a play control operation, thereby sharing the content source of the control group. Perform playback control operations. The process may be completed during the group establishment process in step 101, or the first content viewing device joins the group.

4) Media stream association IPTV service enhancement mode.

The method is similar to the above 3) media stream proxy and the play control proxy. The media content viewed by the content viewing device is uniformly provided by the service distributing device, and the playback control operation is also uniformly processed by the service distributing device, except that the mode is The service distribution device itself is located in the IPTV service entity, such as an LTV service entity, or a VoD service entity. Therefore, the process of obtaining the media content and performing the playback control by the service distribution device is different, and there is no media stream proxy relationship. On the basis of some IPTV services, the sharing of the playback control is realized through the association of the media streams and the association of the playback control, which can be regarded as an enhancement of the IPTV service itself, such as the enhancement of the LTV service or the enhancement of the VoD service.

In this manner, in step 101, the content viewing device establishes a relationship between the media stream and the play control by adding a shared control group session, specifically by modifying an existing session or creating a new session. Specifically, the distribution of the media content is completed by the content providing module in the service distribution device, and the content viewing device receives and views the distributed media stream. The media streams are derived from the same content providing module, and are distributed and distributed by the content providing module on the basis of the same content source, or are media sent to other content viewing devices by using the media stream corresponding to a certain content viewing device as a reference. The stream is a copy distribution based on this, and so on, so that the media content sent to these content viewing devices is the same.

The specific replication distribution may be copied and distributed by the media server, for example, distributed through the media content network or distributed on the source media server, may be transcoded, or distributed through the bearer network multicast mode.

Shared playback control sent by the playback operating device corresponding to the content viewing device having playback control rights The operation request is sent to the play execution module in the service distribution device.

After the playback execution module receives the request for the shared playback control operation, it acts on the content source, which is equivalent to simultaneously acting on each media stream, so that the same media content is seen on each content viewing device.

In summary, the embodiments of the present invention provide a method, a system, and a device for implementing a shared group service, where the four specific implementation manners (media stream independent play control distribution mode, media stream independent play control proxy mode, The media stream proxy and the broadcast control proxy method and the media stream associated IPTV service enhancement mode are described in detail.

For details, see the following specific embodiments, where

Embodiment 1 to Embodiment 5 are a method for implementing a shared group service by using a media stream independent play control distribution method, where the first embodiment and the third embodiment are a live television (Linear TV; LTV) service, for example. Embodiments 2, 4, and 5 are examples in which VoD services are taken as an example.

Embodiment 6 and Embodiment 7 are methods for implementing a shared group service by using a media stream independent play control proxy method, where Embodiment 6 is a VoD AS proxy playback control, and Embodiment 7 is a MCF (Medical Cont ro) l Func t ion , media control function) proxy playback control.

Embodiment 8 to Embodiment 10 are a method for implementing a shared group service by using a media stream proxy and a play control proxy method, where the embodiment 8 is an example of a VoD service, and the embodiment 9 and 10 are an example of an LTV service. .

Embodiment 11 and Embodiment 12 are a method for implementing a shared group service by using a media stream to associate an IPTV service enhancement manner, where the embodiment 1 is a VoD service, and the embodiment 12 is an LTV service.

Example 1

Referring to FIG. 3, an embodiment of the present invention provides a method for implementing a shared group service, where the media stream independent play control distribution mode is taken as an example. As shown in the figure, the user equipment UE1 and the user equipment UE2 are included. a shared control group application server Group AS and an LTV service entity, wherein the user equipment UE1 is both a content viewing device and a group management device and a playback operation device. a playback execution module in the service distribution device; the user equipment UE2 is both a content viewing device and a playback operation device, a play execution module; a shared control group application server Group AS as a play management module, and an LTV service entity (including LTV AS, ECF/ EFF, LTV MF) provides modules for content.

The application scenario of this embodiment is as follows: UE1 and UE2 are watching live TV programs, UE1 sends a request, establishes a shared control group and joins the shared control group, and UE2 joins the shared control group to keep watching the same LTV program, and both UE1 and UE2 can perform the exchange. Operations such as station, time-shift, time-shifted VCR, etc., are shared. The method is as follows:

1) UE1 and UE2 are both watching the same LTV program. UE1 requests the Group AS to establish a shared control group and joins the shared control group. It can also set which users are allowed to join the shared control group. For example, the user is allowed to join the UE2. Join the shared control group, or set the password to join the shared control group, etc., to limit the users who join the shared control group, or do not limit. The shared control group is created on the group AS, and is associated with the UE1, and the shared control group identifier is returned to the UE1. The shared control group identifier may directly use the identifier of UE1, or a group number/group name identifier.

2) UE2 requests the group AS to join the shared control group, and the join request message carries the shared control group identifier, wherein the acquisition of the shared control group identifier may be that the UE1 user notifies the UE2 by means of a phone call or a message. Further, if the group password is set in the above step, the password may be carried in the request message for authenticating the user joining the group. The Group AS verifies whether the UE2 user can join the shared control group, whether the authentication is implemented according to whether the password is consistent, or whether the UE2 is implemented within the range of the user list allowed to join the shared control group, and the like. After the verification is passed, UE2 is associated with the shared control group.

3) After the UE1 user performs the channel change operation, the new channel is reported to the Group AS. The Group AS sends a change notification to other users in the shared control group and carries the new channel. After receiving the channel change notification, UE2 switches to the designated channel.

For example, UE1 switches to CCTV1 (one central unit), and the information of the new channel (for example, the identifier of the new channel, etc.) is sent to the Group AS, and the group AS obtains the information of the new channel, and then notifies the group. Other users switch channels. 4) The UE2 user performs the operation of entering the time shift, and reports to the Group AS that the time shift has been entered. The Group AS sends notifications of incoming time shifts to other users within the shared control group. UE1 receives the notification of the incoming time shift and performs the operation of entering the time shift.

5) The UE1 user requests to perform a VCR operation, such as fast forward, rewind, pause, and the like. The VCR operation is reported to the Group AS, and the Group AS sends a VCR operation notification to other users in the shared control group. UE2 receives the VCR operation notification and performs the same VCR operation.

In this embodiment, the shared group service is implemented by means of media stream independent play control distribution, and the content to be viewed is an LTV program, and UE 1 and UE 2 each independently acquire program content from the LTV service entity. The content viewing device in UE1 (UE2) can perform respective playback control operations, but after the playback operation device in UE1 (UE2) detects the playback control operation, it sends a shared playback control operation request to the playback management module Group AS, 0 0^ ^8 distributes the playback control operation to the playback execution module in 1^2 (UE 1 ) to perform the same playback control operation. The Group AS and the LTV AS may be in the same physical entity or different physical entities. The method for implementing the shared group service by using the media stream independent play control distribution method provided by the embodiment of the present invention can satisfy the LTV service, share the play control service requirement, and realize the shared group.

Example 2

Referring to FIG. 4, an embodiment of the present invention provides a method for implementing a shared group service, where the media stream independent play control distribution mode is taken as an example, as shown in the figure, including user equipment.

The UE1, the user equipment UE2, the shared control group application server Group AS, and the VoD service entity, wherein the user equipment UE1 is both a content viewing device, a group management device, a playback operation device, and a play execution module in the service distribution device; The content control device is a play control device and a play execution module. The shared control group application server Group AS is a play management module in the service distribution device, and the VoD service entity (including VoD AS, VoD MF) is a content providing module.

The application scenario of this embodiment is as follows: UE1 is watching a VoD program, UE1 sends a request, establishes a shared control group, and joins the shared control group. The UE 1 sends a request (since the UE 1 is a group management device, has the function of group management, and can notify other users to join or leave the group), and joins the UE2 to the sharing control. After the group sends a confirmation message, UE2 joins the shared control group and starts watching the same VoD program from the current viewing point. UE1 / UE2 can perform VCR operations, and the content viewed by both parties remains the same. The method is as follows:

1) UE1 is watching the VoD program, and UE1 requests the Group AS to establish a shared control group and joins the shared control group.

2) UE1 requests the group AS to join UE2 to the shared control group, and the group AS further sends a control group join request to UE2, and obtains the UE2 confirmation and joins the shared control group. The Group AS notifies UE2 of the content and progress of the viewing, and UE2 initiates viewing of the same content to the VoD service entity.

3) The UE1 user requests to perform a VCR operation, such as fast forward, fast reverse, pause, and the like. The VCR operation is reported to the Group AS, and the Group AS sends a VCR operation notification to other users in the shared control group. UE2 receives the VCR operation notification and performs the same VCR operation to the VoD service entity.

4) The UE2 user requests to perform a VCR operation, such as fast forward, fast reverse, pause, and the like. The VCR operation is reported to the Group AS, and the Group AS sends a VCR operation notification to other users in the shared control group. UE1 receives the VCR operation notification and performs the same VCR operation to the VoD service entity.

In this embodiment, the media stream independent play control distribution manner is performed, and the VoD on-demand program is viewed, and UE1 and UE2 each independently acquire program content from the VoD service entity. The content viewing device in the UE1 (UE2) can perform a respective playback control operation, and when the playback operation device in the UE 1 (UE2) detects the playback control operation, sends a shared playback control operation request to the playback management module Group AS, Group AS A play control operation is distributed to the play execution module in UE2 (UE1) to perform the same play control operation. In this embodiment, the Group AS and the LTV AS may be located in the same physical entity or different physical entities. The method for implementing the shared group service by using the method of independently playing and controlling the distribution of the media stream provided by the embodiment of the present invention can meet the requirement of sharing the broadcast control service and realizing the shared group under the VoD service.

Example 3

Referring to FIG. 5, an embodiment of the present invention provides a method for implementing a shared group service, where the media stream independent play control distribution mode is taken as an example, as shown in the figure, including user equipment. UE1, user equipment UE2, user equipment UE3, and LTV service entity, wherein the user equipment UE1 is both a content viewing device, a group management device and a playback operation device, or a play management module, and a play execution module; the user equipment UE2/UE3 is The content viewing device is also a playback operating device and a play execution module; the LTV service entity (including LTV AS, ECF/EFF, LTV MF) is a content providing module. The application scenario in this embodiment is: UE1, UE2, and UE3 are watching the same LTV program. Since UE1 is a group management device, it invites UE2 and UE3 to share the play control. The method is as follows:

1) UE1 requests shared playback control from UE2, and obtains confirmation from UE2 to perform association. In the IMS network, the request message may be a "S IP Mes sage" message or the like, and is routed to UE2 via the IMS Core.

2) Similarly, UE1 requests shared playback control from UE3, and obtains confirmation from UE3 to perform association. In the IMS network, the request message may be a S IP Mes sage message or the like, and is routed to UE3 via the IMS Core.

3) If the UE2 user performs a channel change operation, reports a new channel to UE1, UE1 itself switches to a new channel, and notifies UE3 to perform a channel change operation, and UE3 also switches to the channel.

The UE1 needs to report the new channel to the UE1 after performing the channel change operation. Moreover, it is the responsibility of the UE 1 to notify other users in the group (other than UE2) to perform the channel change operation.

4) For example, UE1 user performs a channel change operation, UE1 notifies UE2 and UE3 of the channel change, and UE2 and UE3 perform a channel change operation to switch to the same channel.

5) If the UE3 user performs a time shift operation, reports the incoming time shift to the UE1, the UE1 itself enters the time shift, and notifies the UE2 to enter the time shift, and the UE2 performs the operation of entering the time shift.

6) If, during the viewing process after entering the time shift, the UE2 user performs a VCR operation, such as fast forward, fast reverse, pause, and the like. The VCR operation is reported to the UE1, and the UE1 performs the same VCR operation in addition to itself, and notifies the UE3 to perform the VCR operation, and the UE3 performs the same VCR operation.

In this embodiment, the media stream is independently broadcasted and controlled to be distributed, and the LTV live program is viewed. UE1, UE2, and UE3 each independently acquire program content from the LTV service entity, and the user equipment UE1 functions as a play management module. The content viewing devices in UE1 / UE2 / UE3 can perform respective playback control operations. However, after the playback operation device in the UE2 (UE3) detects the playback control operation, the shared playback control operation request is sent to the playback management module UE1, and the UE1 distributes the playback control operation to the playback execution module in the UE3 (UE2) to perform the same operation. In the playback control operation, the playback management module in UE1 simultaneously distributes the playback control operation to the playback execution module in UE1. After the content viewing device in the UE1 performs the playback control operation, the playback operation device in the UE1 detects the playback control operation, distributes the playback execution module in the UE2 and the UE3 through the playback management module in the UE1, and performs the same playback control operation. The method for implementing the shared group service by using the independent broadcast control and distribution method of the media stream provided by the embodiment of the present invention can satisfy the requirement of sharing the broadcast control service under the LTV service and realize the shared group.

Example 4

Referring to FIG. 6 , an embodiment of the present invention provides a method for implementing a shared group service, where the media stream independent play control distribution mode is taken as an example, as shown in the figure, including user equipment UE1 and user equipment UE2. The VoD service entity (including the VoD AS and the VoD MF), wherein the user equipment UE1 is both a content viewing device and a group management device; the user device UE2 is a content viewing device. VoD AS is a playback management module; VoD MF1 and VoD MF2 are both content providing modules, playback operating devices, and playback execution modules. The application scenario of this embodiment is as follows: UE1 establishes and joins a shared control group, and UE2 also joins the shared control group to view the same VoD program and share playback control. The content of the method ^ below:

1) While watching the VoD program, UE1 requests to establish and join the shared control group, and the VoD AS processes the control group join request of UE1, and notifies the media server MF1 that provides media content for UE1, requesting detection and reporting of the user's play control operation.

Wherein, since the VoD AS has the function of the play management module in the service distribution device, the VoD AS processes the group establishment request of the UE1.

2) UE2 requests to join the shared control group, VoD AS returns an acknowledgement message, and carries the recorded VoD program identification and progress. The UE2 initiates viewing of the program content, and the VoD AS sends a notification to join the sharing control group to the media server MF2 that provides media content for the UE2 during or after processing the viewing request of the UE2, requesting detection and reporting of the user's playback control operation. 3) If the UE1 user performs a VCR operation, such as fast forward, fast reverse, pause, and the like. The MF1 providing the media content to the UE1 reports the VCR operation to the VoD AS when performing the VCR operation, the VoD AS notifies that the MF2 providing the media content for the UE2 performs the same VCR operation, the MF2 performs the VCR operation, and the UE2 and the UE1 view the same program content.

4) If the UE2 user performs a VCR operation, such as fast forward, fast reverse, pause, and the like. The MF2 that provides the media content to the UE2 reports the VCR operation to the VoD AS when performing the VCR operation. The VoD AS notifies the MF1 that provides the media content for the UE1 to perform the same VCR operation, the MF1 performs the VCR operation, and the UE1 and the UE2 view the same program content.

This embodiment is a manner in which media stream independent play control is distributed, and a VoD on-demand program is viewed, and UE1 and UE2 each independently acquire program content. VoD AS acts as a playback management module, and VoD media servers MF1 and MF2 serve as playback operating devices and playback execution modules. After the MF1 / MF2 detects the playback control operation, it is reported to the VoD AS, and the other MFs are notified by the VoD AS to perform the same playback control operation, and the shared media service is implemented by using the independent media stream control and distribution method provided by the embodiment of the present invention. The method can meet the VoD business, share the playback control business needs, and realize the shared group.

Example 5

Referring to FIG. 7, an embodiment of the present invention provides a method for implementing a shared group service, where an independent broadcast control distribution mode is used as an example, as shown in the figure, including a user equipment.

The UE1, the user equipment UE2, and the VoD service entity (including the VoD AS and the VoD MF), wherein the user equipment UE1 is both a content viewing device and a group management device and a play execution module; the user equipment UE2 is both a content viewing device and a play execution. Module, VoD AS is the playback management module, VoD MF1 and VoD MF2 are playback operation devices. The application scenario of this embodiment is as follows: After UE 1 creates and joins the shared control group, UE2 joins the shared control group, watches the same program content, and shares the playback control. The content of the method is as follows:

1) When the UE1 is watching the VoD program, the UE1 requests to establish and join the shared control group, and the VoD AS processes the control group join request of the UE1, and sends a notification to the shared control group to the MF1 that provides the media content for the UE1, requesting detection and reporting. User's playback control operation. 2) UE2 requests to join the shared control group, VoD AS returns an acknowledgement message, and carries the recorded VoD program identification and progress. The UE2 initiates viewing of the program content, and the VoD AS notifies the MF2 that provides the media content to the UE2 to join the information of the shared control group during the process of processing the UE2's viewing request, and requests the detection and reporting of the user's playback control operation.

3) The UE1 user requests to perform a VCR operation, for example, requesting fast forward, fast rewind, pause, etc., the MF1 reports a VCR operation to the VoD AS when the VCR is processed, the VoD AS sends a VCR operation notification to the UE2, and the UE2 requests the MF2 to perform the same VCR operation. , keep watching the same program content. In this step, the MF2 needs to identify that the VCR operation requested by the UE2 is caused by the play control sharing, and the VCR operation is not reported to the VoD AS. This may be caused by the operation reason in the request message, and the indication is caused by the user request or sharing.

4) Similarly, the UE2 user requests to perform a VCR operation, such as requesting fast forward, fast rewind, pause, etc., when the MF2 processes the VCR operation, the VCR operation is performed on the VoD AS, the VoD AS sends a VCR operation notification to the UE1, and the UE1 requests the MF1. Perform the same VCR operation and keep watching the same program content.

In this embodiment, the media stream is independently played and controlled to be distributed. The UE1/UE2 views the VoD on-demand program, and the respective content viewing devices independently acquire the program content, and can perform the user's playback control operation according to the existing manner. The media server VoD MF reports a playback control operation to the VoD AS when processing the playback control operation request, and the VoD AS sends a VCR operation notification to other UEs in the shared control group, and the UE performs the same VCR operation after receiving the operation notification, and implements by using the present invention. The method for realizing shared group services by means of independent playback control and distribution of the media stream is provided, which can satisfy the demand of the shared playback control service under the VoD service and realize the shared group.

In summary, Embodiments 1 to 5 are methods for implementing a shared group service by using a media stream independent play control distribution method. In the following Embodiments 6 and 7, a shared media control independent proxy control proxy method is implemented to implement a shared group. The method of the service, in which the embodiment 6 is controlled by the VoD AS agent, and the embodiment 7 is controlled by the MCF agent.

Example 6

Referring to FIG. 8, an embodiment of the present invention provides a method for implementing a shared group service, The mobile device independent play control proxy mode is described as an example. As shown in the figure, the user equipment UE1, the user equipment UE2, and the VoD service entity (including VoD AS and VoD MF) are included, where the user equipment UE1 is both a content viewing device and Whether it is a group management device or a playback operation device; the user equipment UE2 is both a content viewing device and a playback operation device; the VoD AS is a play management module and a play execution module; VoD MF1 and VoD MF2 are content providing modules. The application scenario of this embodiment is as follows: After UE1 creates and joins the shared control group, UE2 joins the shared control group, watches the same program content, and shares the play control. The method is as follows:

1) When UE1 is watching the VoD program, request to establish and join the shared control group, VoD AS processes the control group establishment and join request of UE1, and modifies the RTSP channel for playback control operation between UE1 and MF1 to be VoD-based. The AS proxy, for example, the VoD AS establishes a playback control channel between the UE1 and the VoD AS by modifying the session with the MF1 and the UE1, and the RTSP channel between the UE1 and the MF1 is modified to be an RTSP channel between the VoD AS and the MF1. Establish a proxy relationship between the playback control channel and the RTSP channel.

2) UE2 requests to join the shared control group, VoD AS returns an acknowledgement message, and carries the watched VoD program identification and progress. The UE2 initiates viewing of the program content, and the VoD AS establishes a proxy relationship of the play control during the processing of the UE2's viewing request, that is, establishes a playback control channel between the UE2 and the VoD AS, and an RTSP channel between the VoD AS and the media server MF2. The playback control operation of UE2 will be sent to the VoD AS, which is executed by the VoD AS through the RTSP channel proxy. And establishing an association relationship between UE1 and UE2's playback control channel on the VoD AS, and the playback control of the two is shared.

3) If the UE1 user requests to perform a VCR operation, such as requesting fast forward, fast rewind, pause, etc., the playback control operation request is sent to the VoD AS through the established playback control channel with the VoD AS, by VoD AS Through the established RTSP channels respectively with MF1 and MF2, the corresponding VCR operations are requested to be performed to MF1 and MF2, respectively, so that the VCR operation acts on the media content viewed by UE1 and UE2, respectively, and keeps watching the same program content.

4) Similarly, if the UE2 user requests to perform a VCR operation, such as requesting fast forward, fast rewind, pause, etc., the playback control operation request is sent through the established playback control channel with the VoD AS. It is sent to the VoD AS. The VoD AS requests the MF1 and MF2 to perform the corresponding VCR operations through the established RTSP channels respectively with MF1 and MF2, so that the VCR operations respectively act on the media content viewed by UE1 and UE2, and keep watching. Go to the same program content.

In this embodiment, the media stream independently plays the control agent. The UE1/UE2 views the VoD on-demand program, and the respective content viewing devices independently acquire the program content, but the playback control is performed by the VoD AS unified agent, and is not directly applied to Media content (ie not directly affected by the UE to the MF). The VoD AS is used as the play management module and the play execution module, and the UE's play control operation request is sent to the VoD AS by the VoD AS agent to request execution from VoD MF1 and VoD MF2. The method for implementing the shared group service by using the media stream independent play control agent provided by the embodiment of the present invention can satisfy the VoD service, share the broadcast control service requirement, and realize the shared group.

Example 7

Referring to FIG. 9, an embodiment of the present invention provides a method for implementing a shared group service, which is described by taking an example of a media stream independent play control proxy mode. As shown in the figure, the method includes: user equipment UE1, user equipment UE2, and VoD. a service entity (VOD AS, a media control function MCF and a media delivery function MDF), wherein the user equipment UE1 is both a content viewing device and a group management device and a playback operation device; the user device UE2 is both a content viewing device and a playback operation device; The VoD AS is a play management module, the media control function MCF is a play execution module, and the media delivery functions MDF1 and MDF2 are content providing modules. The application scenario of this embodiment is as follows: After UE1 creates and joins the shared control group, UE2 joins the shared control group, views the same program content, and shares playback control. The content of the method is as follows:

1) When the UE1 is watching the VoD program, requesting to establish and join the shared control group, the VoD AS processes the control group join request of the UE1, and notifies the MC1 sharing control group joining information with the UE1 to establish the RTSP channel, indicating the RTSP channel and the shared control. Group association.

2) UE2 requests to join the shared control group, VoD AS returns an acknowledgement message, and carries the recorded VoD program identification and progress. The UE2 initiates viewing of the program content, and the VoD AS selects the same MCF as the UE2 in the process of processing the UE2's viewing request, and indicates the association relationship between the RTSP channel and the shared control group, thereby establishing the RTSP channel of the UE1 and the RTSP channel of the UE2. The relationship between them. 3) If the UE1 user requests to perform a VCR operation, such as requesting fast forward, fast rewind, pause, etc., the MCF processes the VCR operation, and according to the association relationship of the RTSP channel, the MCF respectively sends MDF1 corresponding to the RTSP channel of UE1 and UE2. Perform VCR operations with MDF2. The VCR operation acts on the media content viewed by UE1 and UE2, respectively, and keeps watching the same program content.

4) Similarly, if the UE2 user requests to perform a VCR operation, such as requesting fast forward, fast rewind, pause, etc., the MCF processes the VCR operation, and the association relationship of the RTSP channel is respectively corresponding to the MDF1 corresponding to the RTSP channel of UE1 and UE2. MDF2 performs VCR operations. The VCR operation acts on the media content viewed by UE1 and UE2, respectively, and keeps watching the same program content.

In this embodiment, the media stream independently plays the control agent. The UE1/UE2 views the VoD on-demand program, and the respective content viewing devices independently acquire the program content, but the playback control is performed by the MCF unified agent instead of being independently executed. . The VoD AS is used as the play management module, and the media control function MCF is used as the play execution module. Under the control of the VoD AS, the association relationship of the RTSP channel is established, and the VCR operation request of an RTSP channel is applied to the MDF corresponding to all the associated RTSP channels. Equivalent to each RTSP channel requesting the same VCR operation at the same time. The method for implementing the shared group service by using the media stream independent play control agent provided by the embodiment of the present invention can satisfy the demand of the shared play control service and realize the shared group under the VoD service.

In summary, Embodiments 6 and 7 discuss a method for implementing a shared group service by means of a media stream independent play control agent. The following uses Embodiment 8 to Embodiment 10 to discuss media media proxy and playback. The method of controlling the proxy mode to implement the shared group service is as follows. In the embodiment 8, the VoD service is taken as an example, and the embodiment 9 and 10 are the LTV service as an example.

Example 8

Referring to FIG. 10, an embodiment of the present invention provides a method for implementing a shared group service, which is described by taking a media stream independent play control proxy mode as an example. As shown in the figure, the method includes: user equipment UE1, user equipment UE2, The shared control group application server Group AS, the shared control group media server Group MF, and the VoD service entity, wherein the user equipment UE1 is both a content viewing device and a playback operation device and a group management device; the user device UE2 is both a content viewing device and a Playing an operating device; The shared control group application server Group AS is a play management module; the shared control group media server Group MF is both a play execution module and a content providing module. The application scenario of this embodiment is as follows: After UE1 creates and joins the shared control group, joins the shared control group session (new session), watches the VoD program, and UE2 joins the shared control group session (new session), watches the same program content, and shares the playback control. The method is as follows:

1) UE1 requests the Group AS to establish and join the shared control group.

2) UE1 requests the Group AS to establish a shared control group session and carries the VoD program content identifier that needs to be viewed. The Group AS requests the VoD service entity to establish a VoD program, establishes a media stream channel RTP channel and a playback control channel RTSP channel of the Group MF and VoD, and establishes a media stream channel RTP channel and a playback control channel RTSP channel of the UE1 and the Group MF, and an RTP channel. The relationship between channels and RTSP channels. Subsequently, the Group MF distributes the program media stream obtained from the VoD to the media channel RTP channel of the UE1, and applies the VCR operation request of the UE1 RTSP channel to the VoD program media stream through the RTSP channel between the VoD and the VoD.

Here, the media stream channel RTP channel between UE1 and Group MF can be unicast mode or multicast mode. In multicast mode, UE1 needs to join the corresponding multicast group.

In this step, when UE1 requests to establish a control group session, it may not carry the program information to be viewed. After the sharing control group session is established, the group AS may be requested to play the specified program content.

3) UE2 requests the group AS to join the shared control group session, where is the request for the new session, the media stream channel RTP channel and the playback control channel RTSP channel are established between the group MF and the UE2, and the established RTP channel with the VoD is established. And the association relationship of the RTSP channel. That is, the media content transmitted by the RTP channel between the UE2 and the Group MF is distributed from the media stream transmitted by the RTP channel between the Group MF and the VoD, and the UE2 passes the VCR operation of the RTSP channel, and the Group MF passes the RTSP channel between the Group and the VoD. Acts on the VoD program media stream.

Here, the media stream channel RTP channel between the UE2 and the Group MF may be a unicast mode or a multicast mode. In multicast mode, UE2 needs to join the corresponding multicast group. 4) If UE2 requests to perform a VCR operation, such as requesting fast forward, fast rewind, pause, etc., the VCR operation request is sent to the Group MF through the established RTSP channel with the Group MF, and the Group MF further passes between the VoD and the VoD. The RTSP channel requests VCR operations from VoD, acting on the program media stream. Since the program media stream received by UE1 and UE2 is obtained by copying and distributing the same media stream received by the Group MF from the VoD (which may have undergone transcoding), UE1 and UE2 will still see the same media after the VCR operation. content. In this step, UE2 requests to perform a P lay operation, and both UE1 and UE2 will start receiving media streams to play the output.

5) Similarly, if UE1 requests Pause from Group MF, the media streams received by UE1 and UE2 are suspended.

The embodiment is a media stream proxy and a play control proxy. UE1 and UE2 view a VoD on-demand program, and their respective content viewing devices establish a shared control group session, and receive media content sent by the shared control group media server Group MF. Media content can be sent unicast or multicast. The media content of the shared control group media server Group MF is derived from the VoD service entity, and the media content acquired from the VoD system is distributed to the content viewing device joining the shared control group session, and the playback control operation corresponding to each content viewing device is performed by the shared control group. The media server Group MF proxy executes, both acting on the same VoD program media stream. Since the media stream viewed by each content viewing device is distributed through the same program media stream, each content viewing device keeps viewing the same media content, and uses the media stream proxy and playback control provided by the embodiment of the present invention. The proxy method implements the shared group service method, and can satisfy the VoD service, share the playback control service requirements, and realize the shared group.

Example 9

Referring to FIG. 11 , an embodiment of the present invention provides a method for implementing a shared group service, which is described by taking a media stream independent play control proxy mode as an example. As shown in the figure, the method includes: user equipment UE1, user equipment UE2, and sharing. Control group application server Group AS, shared control group media server Group MF and LTV service entity (including LTV AS, ECF/EFF and LTV MF), wherein user equipment UE1 is both a content viewing device, a group management device, and a playback operation. Device; user equipment UE2 The shared control group application server Group AS and the shared control group media server Group MF serve as a service distribution device. Specifically, the shared control group application server Group AS is a play management module and a play execution module, and is shared. The control group media server Group MF is a play execution module and a content providing module. The application scenario of this embodiment is: UE1 creates and joins a shared control group, establishes a shared control group session, watches an LTV program, and UE2 joins a shared control group session, views the same program content, and shares playback control. The content of the method is as follows:

1) UE1 requests the Group AS to establish a shared control group session, here a request to establish a session, such as a "S IP Inv i te" request, and carries LTV program information to be viewed, such as an LTV channel number. The Group AS requests the LTV service entity to establish an LTV program, and establishes a media stream channel RTP channel of the Group MF and the LTV (here first enters the live broadcast state, establishes a multicast channel of the Group MF and the ECF/EFF, and the group MF group) Corresponding multicast group), and establish the association relationship between the media stream channel RTP channel and the play control channel of the UE1 and the Group MF, and between the RTP channel and the playback control channel. Subsequently, the Group MF distributes the program media stream obtained from the LTV to the media channel of the UE1, and the Group AS/Group MF receives the UE1 playback control operation request and acts on the LTV program media stream.

2) UE2 requests the group AS to join the shared control group session, and the group MF and UE2 establish a media stream channel RTP channel and a play control channel, and establish an association relationship with the RTP channel between the LTV. That is, the media content transmitted by the RTP channel between the UE2 and the Group MF is distributed from the media stream transmitted by the established RTP channel between the Group MF and the LTV, and the playback control operation of the UE2 is performed by the Group AS/Group MF to the LTV program. Media stream.

Here, the media stream channel RTP channel between UE2 and Group MF may be unicast, or more Broadcast mode. In multicast mode, UE2 needs to join the corresponding multicast group.

3) For example, UE1 requests a change of the group to the Group MF, and the Group MF further requests the switch to the LTV, for example, sends an "IGMP Leave/Jo in" operation to the ECF/EFF, and leaves the multicast group corresponding to the original channel, and joins the request. The multicast group corresponding to the new channel indicated in the medium receives the program media stream of the new channel. Since the media content received by UE1 and UE2 is distributed from the same LTV program media stream through Group MF, both UE1 and UE2 view the media content of the new channel.

4) If UE1 requests entry of time-shifted content, the request is sent to the Group AS, which further requests the LTV to enter the time shift, modified to receive the media content from the LTV MF. For example, by modifying the LTV session, the receiving multicast media stream is switched to receive the unicast media stream provided by the LTV MF. Since the media content received by UE1 and UE2 is distributed from the same LTV program media stream through Group MF, both UE1 and UE2 view the time-shifted media content.

5) If, during time-shifting, UE2 requests to perform a VCR operation, such as requesting fast forward, fast rewind, pause, etc., the VCR operation request is sent to the Group MF, and the Group MF further passes the RTSP channel established when entering the time shift. The LTV MF requests a VCR operation that acts on the program media stream. Since the media content received by UE1 and UE2 is distributed from the same LTV program media stream through Group MF, UE1 and UE2 both perform fast forward and backward, or both, after watching the same media content after the VCR operation. Both enter a pause and so on.

The embodiment is a media stream proxy and a play control proxy. UE1 and UE2 view the LTV program, and their respective content viewing devices establish a shared control group session, and receive the media content sent by the shared control group media server Group MF. The media content of Group MF comes from the LTV service (from ECF/EFF during live broadcast, from LTV MF when entering time shift), and distributes the media content acquired from the LTV service to the content viewing device that joins the shared control group session, each content The playback control operation corresponding to the viewing device is sent to the Group AS or the Group MF agent for execution (in this embodiment, the time shift/live switching operation is performed by the Group AS agent, the channel switching and the VCR operation are performed by the Group MF agent), and all acts on the LTV. Program media stream. Since the media streams viewed by the content viewing devices are distributed through the same program media stream, each content viewing device in the group can view the same media content. The method for realizing the shared group service by using the media stream proxy and the play control proxy provided by the embodiment of the present invention can satisfy the requirement of the shared broadcast control service and realize the shared group under the LTV service.

Example 10

Referring to FIG. 12, an embodiment of the present invention provides a method for implementing a shared group service, which is described by taking a media stream independent play control proxy mode as an example. As shown in the figure, the method includes: user equipment UE1, user equipment UE2, and sharing. Control group application server Group AS, shared control group media server Group MF and LTV service entity (including LTV AS, ECF/EFF and LTV MF), wherein user equipment UE1 is both a content viewing device, a playback operation device, and a play execution Module and content providing module; user equipment UE2 is both a content viewing device and a playback operating device; the shared control group application server Group AS is a playback management module. The application scenario of this embodiment is: UE2 requests to view the same program content as UE1, and shares the play control. The content of the method is as follows:

1) UE1 is watching a live TV program, UE2 requests the Group AS to view the same media content as UE1, and shares the playback control, the request being a session establishment request, such as a "S IP Inv i te" request. The group AS sends a shared play control operation request to the UE1. After the UE1 replies to the group AS, the group AS further replies to the UE2, and both UE1 and UE2 join the shared control group and establish a shared control group session. An RTP media channel and a playback control channel are established between UE2 and UE1. The UE1 receives the live TV program media stream, and sends the media stream to the UE2 through the RTP channel established between the UE2 and the UE2, which may be transcoded, for example, converted into another audio and video encoding algorithm, and prepared. Receiving a playback control request of UE2. UE2 and UE1 view the same program content. The media stream of the UE1 may be referred to as a reference media stream, and the reference media stream is copied (for example, transcoded) and the like, and then provided to the UE2.

Here, the media stream sent by UE1 to UE2 may use a unicast or multicast manner. If multicast is used, UE2 needs to join the corresponding multicast group. The media stream sent by UE1 to UE2 may also be distributed by the media server.

2) If UE1 requests to change channels, since the media content played by UE2 is sent from UE1, UE2 also views the media content of the new channel. 3) If the UE2 user requests to change channels, the channel change request is sent to the UE1, and the UE1 further requests the channel change to the LTV service. The UE1 receives the media content of the new channel after the channel change, and transmits the output to the UE2 while playing the output, and both UE1 and UE2 view the media content of the new channel.

4) For example, the UE2 user requests to enter the time shift, and the request for entering the time shift is sent to the UE1, and the UE1 further requests the time shift to the LTV service. The UE1 receives the time-shifted media content, and the playback output is sent to the UE2 to the media content, and both UE1 and UE2 view the time-shifted media content.

5) If the UE2 user requests a VCR operation, the VCR operation request is sent to the UE1, and the UE1 further requests the VTV operation to perform the VCR operation. The UE1 receives the media content after the VCR operation, and transmits the output to the UE2 while playing the output. Both UE1 and UE2 view the media content after the VCR operation.

This embodiment is a media stream proxy and a play control proxy. Specifically, one of the content viewing devices UE1 performs a media stream proxy and a play control proxy of other user equipments (here, UE2). The media content viewed by UE2 is sent by the UE1 proxy, and the playback control operation of UE2 is sent to UE1, and UE1 requests execution. UE1 and UE2 establish such an agent relationship under the control of the shared control group application server Group AS. The method for implementing the shared group service by using the media stream proxy and the play control proxy provided by the embodiment of the present invention can satisfy the requirement of sharing the broadcast control service and realizing the shared group under the LTV service.

In summary, in Embodiments 8 to 10, a method for implementing a shared group service by using a media stream proxy and a play control proxy method is discussed. Next, Embodiment 11 and Embodiment 12 discuss the implementation of the enhanced IPTV service associated with the media stream. A method for sharing a group service, where the embodiment 11 is an example of a VoD service, and the embodiment 12 is an example of an LTV service.

Example 11

Referring to FIG. 13 , an embodiment of the present invention provides a method for implementing a shared group service, which is described by taking an enhanced IPTV service as an example. As shown in the figure, the user equipment UE1 and the user equipment UE2 are included. a VoD service entity (VoD application server VoD AS, VoD media server VoD MF), wherein the user equipment UE1 is both a content viewing device, a group management device, and a playback operation. The user equipment UE2 is both a content viewing device and a playback operation device; the VoD AS is a play management module; the VoD MF is a play execution module and a content providing module. The application scenario of this embodiment is as follows: After UE1 creates and joins the shared control group, establishes a shared control group session, watches the VoD program, and UE2 joins the shared control group session, watches the same program content, and shares the play control. The method content is as follows: 1) UE1 requests to establish a shared control group and joins the shared control group.

2) UE1 requests to establish a shared control group session, here is a request for a new VoD session, and establishes an RTP channel and a playback control channel RTSP channel with the MF media stream channel. The request may carry the identity of the shared control group, or not carried, and the VoD AS determines that the user has joined the shared control group.

3) UE2 requests to join the shared control group session, here is the new VoD session. The request carries the shared control group identifier. The shared control group session join request is also a control group join request. The VoD AS joins the UE2 to the shared control group, that is, establishes the association relationship between the UE2 and the shared control group, and selects the same MF used by the shared control group, that is, provides the MF of the media stream to the UE1. Establishing a media stream channel RTP channel and a playback control channel RTSP channel between the UE2 and the MF, and indicating the association relationship of the media stream to the MF, for example, the media stream of the UE2 is a copy of the UE1 media stream (possibly after transcoding), and playing The control association, for example, the playback control of UE2 will act on the media stream of UE1. The media stream of UE1 serves as a reference media stream for the entire shared control group.

4) If UE2 requests to perform a VCR operation, here is an "RTSP P l ay" request, requesting to start playing the media stream, and the MF receives the VCR operation request, and according to the association relationship of the play control, the VCR operation is applied to the control group. Referring to the media stream, that is, the media stream corresponding to UE1, and the media stream of UE2 is distributed on the basis of the media stream of UE1, the media stream corresponding to UE1 and UE2 performs the VCR operation.

5) Similarly, if UE1 requests the MF to pause playback (Paus e), the pause operation acts on the reference media stream of the control group, and accordingly, the media streams received by UE1 and UE2 are suspended.

In this embodiment, the media stream is associated with the IPTV service enhancement mode, specifically the VoD service enhancement mode. Under the control of the VoD AS, the media streams received by the user equipments that join the shared control group session are from the same media server, and the media server. Associate these media streams, for example in the same media stream base The distribution is performed as a reference media stream of the shared control group, and the playback control operation for each content viewing device is uniformly processed by the MF, for example, by acting on the reference media stream, thereby acting on all media streams. The method for implementing the shared group service by using the IPTV service enhancement mode associated with the media stream provided by the embodiment of the present invention can satisfy the requirement of sharing the broadcast control service and realizing the shared group under the VoD service.

Example 12

Referring to FIG. 14 , an embodiment of the present invention provides a method for implementing a shared group service, which is described by taking a media stream association IPTV service enhancement mode as an example. As shown in the figure, the method includes: user equipment UE1, user equipment UE2, and LTV. a service entity (including an LTV application server LTV AS, an ECF/EFF, and an LTV media server LTV MF), wherein the user equipment UE1 is both a content viewing device, a group management device, and a playback operation device; the user device UE2 is both a content viewing device. It is also a playback operation device; the LTV AS is a play management module, and the LTV MF is a play execution module and a content providing module. The application scenario of this embodiment is: when the UE1 views the LTV program, creates and joins the shared control group, and joins the shared control group session, and the UE2 joins the shared control group and joins the shared control group session to watch the same program content as the UE1, and the shared play control. . The method is as follows:

1) UE1 and UE2 are watching the same live TV program, and UE1 requests the LTV AS to establish a shared control group and join the shared control group.

2) The LTV AS confirms that UE1 joins the shared control group and sends a control group session join request to UE1, here is a request for LTV session modification. UE1 sends a Control Group Session Join Response, which is a response to modify the session. Establish media stream channel RTP channel and play control channel of UE1 and media server MF. The LTV program media stream of UE1 is acquired from the MF, and the playback control operation is also sent to the MF.

3) UE2 requests to join the shared control group. The LTV AS processes the control group join request of the UE2, sends a control group join confirmation, and sends a control group session join request to the UE2, where is a request to modify the session, and the UE2 replies to the control group session join response, where is the response to modify the session. During the processing session modification process, the LTV AS selects the same media server MF as the UE1, establishes a media stream channel RTP channel and a playback control channel between the UE2 and the MF, and establishes a media stream channel and playback control with the UE1. The association relationship of the channel, for example, the media stream of UE2 is distributed on the basis of the media stream of UE1, and the play control operation of UE2 directly acts on the media stream of UE1.

4) If UE1 requests to change channels, the channel change request is sent to the MF, and the MF processes the channel change operation to modify the UE1 media stream channel to transmit the media content of the new channel. The media stream of UE2 is obtained on the basis of the UE1 media stream, and therefore, the media stream of UE2 also transmits the media content of the new channel.

5) For example, UE2 requests to enter time shift, and the time shift request is sent to the MF, and the MF performs time shift processing. According to the established association relationship, the time shift operation acts on the media stream of UE1, and the UE1 media stream channel is used. Modified to transfer time-shifted media content. The media stream of UE2 is obtained based on the distribution of the UE1 media stream. Therefore, the media stream of UE2 also transmits the corresponding time-shifted media content.

6) If UE1 requests to perform a VCR operation, such as suspend, fast forward, fast rewind, etc., the VCR operation request is sent to the MF, and the MF processes the VCR operation to act on the media stream of UE1. The media stream of UE2 is obtained based on the UE1 media stream. Therefore, the media stream viewed by UE2 also performs the same operation.

In this embodiment, the IPTV service enhancement mode associated with the media stream is specifically the LTV service enhancement mode. Under the control of the LTV AS, the media streams received by the user equipments that join the shared control group session are from the same media server, and the media server. The media streams are associated, for example, distributed on the same media stream as the reference media stream of the shared control group, and the playback control operations for the content viewing devices are uniformly processed by the MF, for example, on the reference media stream. Therefore, the method for implementing the shared group service by using the IPTV service enhancement method associated with the media stream provided by the embodiment of the present invention can be used to satisfy the demand of the shared broadcast control service and realize the shared group under the LTV service.

In summary, the embodiments of the present invention provide a method for implementing a shared group service, whether the media stream independent play control distribution mode, the media stream independent play control proxy mode, the media stream proxy, the play control proxy mode, or the media stream. The associated IPTV service enhancement mode can meet the needs of the shared playback control service in the IPTV system and realize the shared group.

Example 1 3

Referring to FIG. 15, an embodiment of the present invention provides a system for implementing a shared group service, where the system includes: a service distribution device and a content viewing device, and the content viewing device is multiple; a service distribution device, configured to acquire a shared play control operation request from the content viewing device, control a content viewing device in the shared group to perform group service sharing according to the shared play control operation request; and a content viewing device configured to perform a shared play control operation; It is also used to implement group service sharing under the control of the service distribution device.

(1) When the media stream is used to independently play the control distribution mode, the service distribution device specifically includes: a play management module, a play execution module, and a content providing module;

a play management module, configured to establish a shared group, the shared group includes a plurality of content viewing devices, and the content viewing device maintains an association relationship with the shared group; and is further configured to receive a shared playback control operation request from the content viewing device, and play the same The control operation request is distributed to a play execution module corresponding to another content viewing device in the shared group;

a play execution module, configured to receive a play control operation request distributed by the play management module, and perform a play control operation, so that other content viewing devices obtain the same program content as the content viewing device from the content providing module;

a content providing module, configured to provide program content corresponding to the media stream.

(2) When the media stream is used to independently play the control proxy mode, the service distribution device specifically includes: a play management module, a play execution module, and a content providing module;

a play management module, configured to establish a shared group, the shared group includes a plurality of content viewing devices, and the content viewing device maintains an association relationship with the shared group; and establishes a play between each content viewing device and the control proxy device in the shared group Controlling the proxy relationship; and further configured to acquire a play control operation request from the content viewing device, and notify the play execution module according to the play control operation request and the play control agent relationship;

a play execution module, configured to receive, according to the notification of the play management module, media content corresponding to all content viewing devices in the shared group, and realize that all content viewing devices in the shared group obtain the same program content;

(3) When using the media stream proxy and the broadcast control proxy mode, the service distribution device specifically includes: a play management module, a play execution module, and a content providing module; wherein

a play management module, configured to establish a shared group, the shared group includes a plurality of content viewing devices, the content viewing device maintains an association relationship with the shared group, and establishes a play control agent relationship between the content viewing device and the play execution module; Establishing a media stream proxy relationship between the content viewing device and the playback execution module;

a play execution module, configured to acquire a play control operation request from the content viewing device, apply a play control operation to the content source of the shared control group according to the play control operation request and the play control agent relationship, and the media stream proxy relationship, and implement the shared group The content viewing device within the device acquires the same program content;

The content providing module is configured to establish a shared control group content source under the control of the play management module, and distribute the obtained media content to the content viewing device.

(4) When the media stream is associated with the IPTV service enhancement mode, the service distribution device specifically includes: a play management module, a play execution module, and a content providing module;

a play management module, configured to establish a shared group, the shared group includes a plurality of content viewing devices, the content viewing device maintains an association relationship with the shared group, and establishes a play control agent relationship between the content viewing device and the play execution module;

a play execution module, configured to control a content viewing device in the shared group to receive program content from the same content providing module, and establish an association relationship between the content viewing device and the program content; and to receive a playback control operation from the content viewing device The play control operation is applied to the content providing module. Correspondingly, the content providing module is configured to, after receiving the playback control operation request, act on the reference media stream, so that all the content viewing devices in the shared group obtain the same program content.

The embodiment of the present invention provides a method for implementing a shared group service, whether the media stream independent play control distribution mode, the media stream independent play control proxy mode, the media stream proxy and the play control proxy mode, or the media stream associated IPTV service enhancement mode. It can meet the needs of the shared playback control service in the IPTV system and realize the shared group.

Example 14 Referring to FIG. 16, an embodiment of the present invention provides a service distribution apparatus, where the apparatus includes: an acquisition module, configured to acquire a shared playback control operation request from a content viewing device; and an execution module, configured to perform a shared playback control operation according to the acquisition module. Requesting, controlling the content viewing device within the shared group to perform group service sharing.

(1) When the media stream is used to independently play the control distribution mode, the device specifically includes a play management module, a play execution module, and a content providing module:

(2) When the media stream is used to independently play the control proxy mode, the device specifically includes a play management module, a play execution module, and a content providing module:

(3) When using media stream proxy and playback control proxy mode, the device specifically includes playback management Module, play execution module and content providing module:

(4) When the media stream is associated with the IPTV service enhancement mode, the device specifically includes a play management module, a play execution module, and a content providing module:

The embodiment of the invention provides a service distribution device, which can use the media stream independent play control distribution mode, the media stream independent play control proxy mode, the media stream proxy and the play control proxy mode, or the media stream associated IPTV service enhancement mode. To achieve the IPTV system, share the requirements of the shared playback control service, and realize the shared group.

Example 15 Referring to FIG. 17, an embodiment of the present invention provides a content providing server, where the content providing server includes:

a receiving module, configured to receive a play control operation request;

The processing module is configured to: the playback control operation request received by the receiving module is applied to the reference media stream to implement the same program content by all the content viewing devices in the shared group.

The content providing server provided by the embodiment of the present invention realizes the enhancement of the service of each content viewing device in the group on the basis of the original content providing entity, and realizes the enhancement of the IPTV service under the media stream association, and thus can To achieve the IPTV system, share the requirements of the shared playback control service, and realize the shared group. The content providing server provided by the embodiment of the present invention may specifically implement the functions of the content providing module in any embodiment of the present invention.

Example 16

Referring to FIG. 18, an embodiment of the present invention provides a playback operation device, where the device includes: a detection module, configured to detect a playback control operation of a media content viewed by a content viewing device in a shared group;

The triggering module is configured to send a shared play control operation request to the service distribution device after the detecting module detects the play control operation.

Further, the detecting module provided by the embodiment of the present invention may further detect whether the play control operation is initiated by the content viewing device or is caused by sharing of the play control in the shared control group, that is, due to other content viewing devices in the shared control group. After the playback control operation, the content viewing device shares the operation and causes the content viewing device to perform the same playback control operation.

The playback operation device provided by the embodiment of the present invention triggers a shared playback control operation request by detecting a media content playback control operation viewed by the content viewing device in the shared group, thereby achieving the requirement of the shared playback control service in the IPTV system. Implement a shared group.

The above is only the preferred embodiment of the present invention, and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc., which are within the spirit and scope of the present invention, should be included in the protection of the present invention. Within the scope.

Claims

Claim

A method for implementing a shared group service, the method comprising: acquiring a shared play control operation request, controlling a content viewing device in a shared group to perform group service sharing according to the shared play control operation request, A plurality of content viewing devices within the shared group acquire the same program content.

2. The method according to claim 1, wherein the method is specifically:

Establishing a shared group, the shared group includes a plurality of content viewing devices, and the content viewing device maintains an association relationship with the shared group;

Generating a shared playback control operation request after detecting a play control operation of the content viewing device in the shared group;

And controlling, according to the shared play control operation request, another content viewing device in the shared group to perform group service sharing, so that the plurality of content viewing devices in the shared group acquire the same program content.

The method according to claim 1 or 2, wherein, when the media streams of the content viewing devices in the shared group are independent, the method is specifically:

Obtaining a shared play control operation request of the content viewing device, where the shared play control operation request is: after detecting a play control operation of the content viewing device in the shared group;

And according to the acquired shared play control operation request, notifying other content viewing devices in the shared group to perform the play control operation correspondingly, so that the other content viewing device acquires the same program content as the content viewing device.

Establishing a shared group, the shared group includes a plurality of content viewing devices, the content viewing device maintains an association relationship with the shared group; and each content viewing device in the shared group is established Controlling a play control agent relationship between the proxy devices;

The control agent device acquires a play control operation request from the content viewing device, and according to the play control operation request and the play control agent relationship, notifies all content viewing devices in the shared group to perform a play control operation correspondingly, thereby realizing All content viewing devices within the shared group acquire the same program content.

The method according to claim 1 or 2, wherein, when the media streams of the content viewing devices in the shared group are associated, the method is specifically:

Establishing a shared group, the shared group includes a plurality of content viewing devices, the content viewing device maintains an association relationship with the shared group, and establishes a play control agent relationship between the content viewing device and the control proxy device And establishing a media stream proxy relationship between the content viewing device and the media stream proxy device;

Receiving, by the control proxy device, a playback control operation request from the content viewing device, notifying the media streaming proxy device according to the playback control operation request and the playback control proxy relationship; the media streaming proxy device receiving the Notification, according to the media stream proxy relationship between the content viewing device and the media stream proxy device, acting on the media stream acquired by the content viewing device in the shared group, and realizing the content viewing device in the shared group to acquire the same program content.

Establishing a shared group, the shared group includes a plurality of content viewing devices, the content viewing device maintains an association relationship with the shared group, and establishes a play control agent relationship between the content viewing device and the control proxy device The control proxy device controls the content viewing device in the shared group to receive the program content from the same content providing module, and establishes an association relationship between the content viewing device and the program content;

After the content providing module obtains the shared play control operation request, the shared play control operation request is: after detecting the play control operation of the content viewing device in the shared group, according to the association relationship, acting on the a reference media stream of the shared group, the reference media stream For the media stream viewed by the content viewing device, other content viewing devices within the shared group are enabled to obtain the same program content as viewed by the content viewing device.

The system for implementing a shared group service according to claim 7, wherein the service distribution device comprises: a play management module, a play execution module, and a content providing module; wherein the play management module is configured to: Establishing a shared group, the shared group includes a plurality of content viewing devices, the content viewing device maintains an association relationship with the shared group; and is further configured to receive a shared playback control operation request from the content viewing device, and play the same The control operation request is distributed to a play execution module corresponding to another content viewing device in the shared group;

The play execution module is configured to receive a play control operation request distributed by the play management module, and perform a play control operation, so that the other content viewing device acquires the same program as the content viewing device from the content providing module. Content

The system for implementing a shared group service according to claim 7, wherein the service distribution device comprises: a play management module, a play execution module, and a content providing module; wherein the play management module is configured to: Establishing a shared group, the shared group includes a plurality of content viewing devices, and the content viewing device maintains an association relationship with the shared group; and establishing between each content viewing device and the control proxy device in the shared group a play control agent relationship; further configured to obtain a play control operation request from the content viewing device, and notify the play execution module according to the play control operation request and the play control agent relationship; The play execution module is configured to receive, according to the notification of the play management module, media content corresponding to all content viewing devices in the shared group, so that all content viewing devices in the shared group obtain the same Program content;

The content providing module is configured to provide program content corresponding to the media stream.

The system for implementing a shared group service according to claim 7, wherein the service distribution device comprises: a play management module, a play execution module, and a content providing module; wherein the play management module is configured to: Establishing a shared group, the shared group includes a plurality of content viewing devices, the content viewing device maintains an association relationship with the shared group, and establishes a play control between the content viewing device and the play execution module An agent relationship; and establishing a media stream proxy relationship between the content viewing device and the play execution module;

The play execution module is configured to acquire a play control operation request from the content viewing device, and play a play control operation according to the play control operation request and the play control agent relationship, and the media stream proxy relationship Sharing the content source of the group, and implementing the content viewing device in the shared group to obtain the same program content;

The content providing module is configured to establish a shared group content source under the control of the play management module, and distribute the acquired media content to the content viewing device.

The system for implementing a shared group service according to claim 7, wherein the service distribution device comprises: a play management module, a play execution module, and a content providing module; wherein the play management module is configured to: Establishing a shared group, the shared group includes a plurality of content viewing devices, the content viewing device maintains an association relationship with the shared group, and establishes a play control between the content viewing device and the play execution module Agency relationship

The play execution module is configured to control a content viewing device in the shared group to receive program content from the same content providing module, and establish an association relationship between the content viewing device and the program content; a playback control operation from the content viewing device, applying the playback control operation to the content providing module;

Correspondingly, the content providing module is configured to receive a play control operation request, and then act on the parameter All content viewing devices within the shared group are obtained by the media stream to obtain the same program content.

12. A service distribution device, the device comprising:

The device according to claim 12, wherein the device specifically includes a play management module, a play execution module, and a content providing module.

The play management module is configured to establish a shared group, where the shared group includes a plurality of content viewing devices, the content viewing device maintains an association relationship with the shared group, and is further configured to receive a share from the content viewing device. Playing a control operation request, and distributing the play control operation request to a play execution module corresponding to another content viewing device in the shared group;

The play management module is configured to establish a shared group, where the shared group includes a plurality of content viewing devices, and the content viewing device maintains an association relationship with the shared group; and each content in the shared group is established a playback control proxy relationship between the viewing device and the control proxy device; a method for acquiring a playback control operation request from the content viewing device, and notifying the playback execution module according to the playback control operation request and the playback control proxy relationship;

The play execution module is configured to receive, according to the notification of the play management module, media content corresponding to all content viewing devices in the shared group, so that all content viewing devices in the shared group obtain the same Program content;

The play management module is configured to establish a shared group, the shared group includes a plurality of content viewing devices, the content viewing device maintains an association relationship with the shared group, and the content viewing device and the Playing a play control agent relationship between the execution modules; and establishing a media stream proxy relationship between the content viewing device and the play execution module;

The play management module is configured to establish a shared group, the shared group includes a plurality of content viewing devices, the content viewing device maintains an association relationship with the shared group, and the content viewing device and the Playing a playback control agent relationship between execution modules;

Correspondingly, the content providing module is configured to, after receiving the playback control operation request, act on the reference media stream to implement that all content viewing devices in the shared group acquire the same program content.

A content providing server, wherein the content providing server comprises: a receiving module, configured to receive a play control operation request;

a processing module, configured to apply a playback control operation request received by the receiving module to the parameter All the content viewing devices in the shared group are obtained by the media stream to obtain the same program content.

18. A playback operating device, the device comprising: