CN101626387A - System, method and terminal for treating media business - Google Patents
System, method and terminal for treating media business Download PDFInfo
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- CN101626387A CN101626387A CN200910166112A CN200910166112A CN101626387A CN 101626387 A CN101626387 A CN 101626387A CN 200910166112 A CN200910166112 A CN 200910166112A CN 200910166112 A CN200910166112 A CN 200910166112A CN 101626387 A CN101626387 A CN 101626387A
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- H04—ELECTRIC COMMUNICATION TECHNIQUE
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- H04L12/18—Arrangements for providing special services to substations for broadcast or conference, e.g. multicast
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Abstract
The invention discloses a system, a method and a terminal for treating a media business. The system comprises a relay module and one or more media service modules, wherein the relay module is used for receiving a code stream of media content and sending the code stream to one or more media service modules in a multicast mode; the media service modules are used for receiving a media service request from the terminal, converting the code stream sent in the multicast mode from the relay module and sending the converted code stream to the terminal in a unicast mode. The invention can provide media businesses for extensive user terminals.
Description
Technical field
The present invention relates to the communications field, in particular to a kind of media business treatment system, method and terminal.
Background technology
Stream media technology provide a kind of in network the mode of media contents such as transmission of video, audio frequency, picture, therefore,, particularly obtained in the mobile multi-media service using widely at multi-media service system.Simultaneously, along with the development of telecommunication network technology, in communication network, carry out multimedia service, for example, multimedia services such as Web TV (Internet Protocol TV abbreviates IPTV as) Web TV, video monitoring, mobile TV, mobile phone-downloaded become a kind of trend gradually.
In the mobile flow medium service system, usually, disposing a center steaming media platform and a plurality of marginal flow media platform forms, the center steaming media platform comprises all contents and medium living broadcast code stream, the marginal flow media platform need be come the code stream of media content from center steaming media platform relaying, then, program request and direct broadcast service are provided for again the user of marginal flow media platform.When the physical extent of center steaming media platform and marginal flow media platform was bigger, the medium code stream of center steaming media platform can only send to the marginal flow media platform by mode of unicast.At present in the correlation technique, user terminal apparatus is linked into operation system by wireless network, because the capabilities limits of user terminal apparatus, the grouping message transmissions of user terminal and core network device should not adopt the multicast message send mode, perhaps, if user terminal be in can't the network environment of receiving group in, adopt mode of unicast when then needing the user to receive the medium code stream of core network device usually.Therefore, require the marginal flow media platform service to be provided to large-scale user medium code stream relaying and amplification.But, lack in the correlation technique to medium code stream relaying and amplification, the solution of service is provided for large-scale user.
Summary of the invention
At bigger in the correlation technique in the system group network span, under the user access network transmittability constrained environment, lack and solve relaying, amplify the medium code stream and propose the present invention for large-scale consumer provides the problem of the solution of service, for this reason, main purpose of the present invention is to provide a kind of media business processing scheme, one of to address the above problem at least.
To achieve these goals, according to an aspect of the present invention, provide a kind of media business treatment system.
Media business treatment system according to the present invention comprises: trunk module is used for the code stream of receiving media content, and by multicast mode code stream is sent to one or more media services modules; One or more media services modules are used to receive the media service request of self terminal, and will changing and send to terminal in the mode of clean culture with multicast mode transmitted stream from trunk module.
Preferably, said system also comprises: the user access control module, be used to receive the redirect request of self terminal, from one or more media services modules, select a media services module that is used for providing code stream, and the information of the media services module selected is sent to terminal to terminal.
Preferably, the user access control module specifically is used for selecting to be used for providing to terminal according to the ability of one or more each media services modules of media services module the media services module of code stream, and wherein, ability comprises: the loading condition of media services module.
Preferably, said system also comprises: media content clean culture source module is used for mode of unicast the code stream of media content being sent to trunk module.
Preferably, trunk module comprises two network planes, and a network plane is connected with media content clean culture source module, and another network plane is connected with one or more media services modules.
To achieve these goals, according to a further aspect in the invention, provide a kind of terminal.
Terminal according to the present invention comprises: sending module is used for sending redirect request to the user access control module, so that obtain the information of the media services module that the user access control module selects from one or more media services modules; Receiver module is used to receive the information from the media services module of user access control module selection; Second sending module is used for sending media service request to the media services module of information indication, sets up media communication session; Second receiver module is used to receive the code stream of the media services module of self information indication.
To achieve these goals, in accordance with a further aspect of the present invention, provide a kind of media business processing method.
Media business processing method according to the present invention comprises: trunk module receives the code stream that sends media content with mode of unicast; Trunk module is changed code stream and by multicast mode code stream is sent to one or more media services modules; The media services module receives the media service request of self terminal, and the mode of code stream by clean culture sent to terminal.
Preferably, before media services module receiving media service request, said method also comprises: the user access control module is after the redirect request that receives self terminal, from one or more media services modules, select a media services module that is used for providing code stream, and the information of the media server selected is sent to terminal to terminal.
Preferably, select one to be used for providing the media services module of code stream to comprise to terminal: the user access control module is selected a media services module that is used for providing to terminal code stream according to the ability of media services module from the media services module, wherein, ability comprises: the loading condition of media services module.
Preferably, after the information of the media server that will select sends to terminal, said method also comprises: terminal is after the information that receives the media services module that is used for the selection of access control module, media services module to the information indication sends media service request, and receives the code stream of the media services module of self information indication.
By the present invention, adopt trunk module that media code stream is sent to the media services module by multicast, the media services module sends to terminal by the clean culture mould, solved in the system group network span bigger, unicast media code stream relaying under the user access network transmittability constrained environment, the problem of amplification, and then reached the effect that large-scale user terminal is provided media business.
Description of drawings
Accompanying drawing described herein is used to provide further understanding of the present invention, constitutes the application's a part, and illustrative examples of the present invention and explanation thereof are used to explain the present invention, do not constitute improper qualification of the present invention.In the accompanying drawings:
Fig. 1 is the structured flowchart according to the media business treatment system of the embodiment of the invention;
Fig. 2 is the structured flowchart concrete according to the media business treatment system of the embodiment of the invention;
Fig. 3 is the structured flowchart according to the terminal of the embodiment of the invention;
Fig. 4 is the flow chart according to the media business processing method of the embodiment of the invention;
Fig. 5 is the structured flowchart concrete according to the media business treatment system of the embodiment of the invention;
Fig. 6 is the flow chart of transmitting according to the code stream relaying of the embodiment of the invention;
Fig. 7 is the flow chart that the streaming media server performance according to the embodiment of the invention reports;
Fig. 8 is the flow chart according to user's program request of the embodiment of the invention.
Embodiment
Functional overview
The clean culture source that the embodiment of the invention provides content sends to trunk module in the mode of clean culture with the content code stream; Multicast content code stream on the limited multicast address of trunk module in core net is pushed to all streaming media servers with code stream; The user terminal module sends service request to the user access control module; The user access control module is distributed a media services module to the user, and user's request is redirected to this media services module; User terminal module and one of them media services module are mutual, the content clean culture code stream that the receiving media service module sends.
Need to prove that under the situation of not conflicting, embodiment and the feature among the embodiment among the application can make up mutually.Describe the present invention below with reference to the accompanying drawings and in conjunction with the embodiments in detail.
In following examples, can in computer system, carry out in the step shown in the flow chart of accompanying drawing such as a set of computer-executable instructions, and, though there is shown logical order in flow process, but in some cases, can carry out step shown or that describe with the order that is different from herein.
System embodiment
According to embodiments of the invention, a kind of media business treatment system is provided, Fig. 1 is the structured flowchart according to the media business treatment system of the embodiment of the invention, as shown in Figure 1, this system comprises: trunk module 12, one or more media services module 14 are described in detail this system below.
Trunk module 12 is used to receive the code stream with the media content of media business, and by multicast mode code stream is sent to one or more media services modules.Below this module is described in detail.
Trunk module 12 provides the relaying forwarding capability of clean culture code stream, the content clean culture code stream of trunk module receiving media, and with the clean culture code stream of media content conversion multicast code stream, and in core network, the multicast code stream of content being sent to all media services modules in limited multicast mode, this trunk module 12 is distributed in the core network plane.
One or more media services modules 14 are connected to trunk module 12, are used to receive the media service request of self terminal, and will send to terminal from the code stream of the trunk module mode by clean culture.Below this module is described in detail.
Fig. 2 is the structured flowchart concrete according to the media business treatment system of the embodiment of the invention, and as shown in Figure 2, this system also comprises:
Media content clean culture source module (being also referred to as content clean culture source module) 22, this module is as the transmission source of content clean culture code stream, its function is that media content is encoded into the code stream that can use the RTP transmission, and code stream sent to trunk module, the clean culture source module is distributed in the core network plane.
User access control module 24, terminal and media services module 24 are connected to user access control module 24, be used to receive the redirect request of self terminal, from one or more media services modules, select a media services module that is used for providing code stream, and the information of the media services module selected is sent to terminal to terminal.Below this module is described in detail.
User access control module 24 is carried out access control to the terminal in the system, is used for the service redirection request of receiving terminal, and the media services module of service is provided to terminal distribution; A plurality of media services modules in core network, the user access control module is used for the ability of receiving media service module, and carry out load balancing according to the ability of each media services module, it is mutual that the user access control module is in the edge and the user terminal module on core network plane.
Device embodiment
According to embodiments of the invention, a kind of terminal is provided, and Fig. 3 is the structured flowchart according to the terminal of the embodiment of the invention, as shown in Figure 3, this terminal comprises: sending module 32, receiver module 34, second sending module 36, second receiver module 38 are described in detail this structure below.
Sending module 32 is used for sending redirect request to user access control module 24, so that obtain the information of the media services module that user access control module 24 selects from one or more media services modules 14; Receiver module 34 is connected to sending module 32, is used to receive the information of the media services module of selecting from user access control module 24; Second sending module 36 is connected to receiver module 34, is used for sending media service request to the media services module 14 of information indication; Second receiver module 38 is connected to second sending module 36, is used to receive the code stream of the media services module 14 of self information indication.
Above-mentioned sending module 32, receiver module 34, second sending module 36, second receiver module 38 can be referred to as the user terminal module, this module sends the medium redirect request to the user access control module, after obtaining the information of media services module of user access control module assignment, the user terminal module sends media service request to the media services module, and the clean culture code stream that can the receiving media service module sends, the user terminal module belongs to the user network plane, carries out alternately with user access control module and media services module.
Method embodiment
According to embodiments of the invention, a kind of media business processing method is provided, Fig. 4 is the flow chart according to the media business processing method of the embodiment of the invention, as shown in Figure 4, this method comprises that following step S402 is to step S404:
Step S402, the media services module receives from the code stream of trunk module by the media content of multicast mode transmission.
Step S404, the media services module receives the media service request of self terminal, and the mode of code stream by clean culture sent to terminal.
Before step S402, trunk module receives the code stream of the media content that sends with mode of unicast, and this code stream is changed by multicast mode this code stream is sent to one or more media services modules.
Receive in the media services module before the media service request of self terminal, the user access control module is after the redirect request that receives self terminal, from one or more media services modules, select a media services module that is used for providing code stream, and the information of the media server selected is sent to terminal to terminal.Wherein, the user access control module is selected a media services module that is used for providing to terminal code stream according to the ability of media services module from the media services module.Promptly, the media services module sends to the user access control module with the ability of itself, and wherein, described ability can comprise the loading condition of media server, wherein, loading condition can include but not limited to one of following: the user terminal number of the current service of media services module, the network bandwidth etc.
Terminal is obtained after the information of media server of selection, and terminal sends redirect request to the user access control module, so that obtain the information of the media services module that the user access control module selects; Terminal is after the information that receives the media services module that is used for the selection of access control module, and to the media services module transmission media service request of information indication, and reception comes the code stream of the media services module of self information indication.
Below in conjunction with the media business treatment system among Fig. 2 present embodiment is described in detail.
Step S201, content clean culture source module 22 are encoded into the code stream that can use the RTP transmission as the transmission source of media content clean culture code stream with media content, and code stream is sent to trunk module 12.
Step S202, trunk module 12 receives the content clean culture code stream that sends from the clean culture source module, and with the clean culture code stream of media content conversion multicast code stream, and in core network, the multicast code stream of content being sent to all media services modules 14 in limited multicast mode, the characteristics of limited multicast are that network message only sends in the core network plane.Media services modules 14 all in the system add limited multicast, receive the content multicast code stream that trunk module 12 sends, and use a certain size buffer memory to preserve the multicast code stream of content.
Step S203, all media services module 14 is periodically to the performance parameter of user access control module 24 oneself in the system, performance parameter is used for the performance consumption degree to current each the media services module 14 of user access control module 24 indications, inserts the foundation of load balancing as the user.
Step S204, user access control module 24 is gathered the media capabilities parameter that all media module report, and preserves.
Step S205, user access control module 24 is waited for the redirect request that begins to receive the user, simultaneously, all media services modules 14 are waited for and are received the user media service request in the system.
Following steps are the process that terminal is obtained the medium code stream.
Step S206, the user terminal module sends the media services redirect request to user access control module 24.
Step S207, user access control module 24 is according to the performance parameter of media services modules 14 all in the current system, select a media services module 14 that performance is best, and return redirect response for the user terminal module, redirect response returns to the user terminal module with the information of this media services module 14.
Step S208, the user terminal module receives the redirect response that user access control module 24 is returned, and obtains the information of the media services module 14 in the redirect response.
Step S209, the user terminal module sends media service request to media services module 14, carries out interacting message with media services, sets up the communication link and the control session of clean culture code stream.
Step S210, media services module 14 converts the multicast content code stream of preserving in the buffering area code stream of mode of unicast to, and sends the clean culture code stream of content to the user terminal module.
Step S211, the clean culture code stream of the content that user terminal module receiving media service module 14 sends, and the code stream of content carried out certain processing, processing mode can include but not limited to: code stream is decoded and decompressed and converts vision signal to, preserves code stream is local file etc., and the user terminal module is shown as different media business after code stream is handled.
Step S212, user terminal sends the media services ending request to media services module 14, carries out alternately with media services module 14, closes the clean culture code stream communication link and the control session of content.
Step S213, media services module 14 stops to send the clean culture code stream of content, and media services finish.
Pass through above-mentioned steps, on the core network plane, only need to introduce the clean culture code stream of one tunnel content, after being forwarded to the media services module 14 that is in network edge by trunk module 12, all media services modules 14 provide media services can for the user terminal module, simultaneously, carry out load balancing, therefore possess the ability that media business is provided to large-scale consumer owing to introduce the media service request of 24 pairs of each user terminals of user access control module; The media services module 14 that system can dispose different numbers according to the difference of user's scale, so system possesses good dilatation ability; User terminal module in the user network plane and the media services module 14 that is in the core network edge, set up the media communication link of clean culture code stream, and use mode of unicast receiving media code stream, therefore user network limited and cause the user terminal module can't the network environment of receiving group in, user terminal also can use media business; The multicast message that trunk module 12 sends is only transmitted in the core network plane, and the user terminal module on user network plane can't the receiving group message, therefore, does not exist the user to steal and successivelys win the problem of getting the multicast code stream.
Be described in detail below in conjunction with the implementation procedure of example the embodiment of the invention.
Fig. 5 is the structured flowchart concrete according to the media business treatment system of the embodiment of the invention, as shown in Figure 5, this system comprises: a content clean culture source server (ContentUnicast Server, abbreviate CUS as), a Relay Server (Relay Server, abbreviate RS as), streaming media server (Stream Server, abbreviate SS as) 1, SS2, SS3, a user access control server (User Access Control Server, abbreviate UACS as), user terminal (User Equipment abbreviates UE as).Wherein, content clean culture source server comprises real time streaming transport protocol (Real Transfer Stream Protocol abbreviates RTSP as) submodule and clean culture sending module again; Relay Server comprises: RTSP submodule, code stream receiver module, code stream modular converter, multicast sending module; Streaming media server comprises: multicast code stream receiver module, code stream modular converter, performance reporting module, code stream sending module, RTSP submodule; The user access control server comprises: property acquisition module, RTSP submodule; User terminal comprises RTSP submodule, code stream receiver module and code stream processing module.
In order to be described in detail, User Datagram Protoco (UDP) (User Datagram Protocol is adopted in content clean culture source in this enforcement, abbreviate UDP as)/RTP (Real-time Transport Protocol, abbreviating RTP as) agreement sends the clean culture code stream of content, and the coded format of code stream adopts the 3GP form; Relay Server is undertaken alternately by RTSP agreement and content clean culture source, sets up the passage that the clean culture code stream sends, and behind the UDP/RTP clean culture code stream in received content clean culture source, the multicast code stream that the clean culture code stream is converted to UDP/RTP sends to all streaming media servers; Streaming media server is with the code stream of multicast UDP/RTP mode received content, and the multicast code stream is reduced into the UDP/RTP mode of unicast; User terminal is mutual by RTSP agreement and streaming media server, sets up clean culture code stream sendaisle, and Streaming Media sends the content code stream by the mode of unicast of UDP/RTP to user terminal, and streaming media service is provided.
The media business processing method that above-mentioned enforcement provides (being also referred to as the clean culture code stream amplifies) comprises following three aspects: code stream relaying forwarding process, streaming media server performance report flow, user's program request flow process describe respectively these three aspects below.
Fig. 6 is the flow chart of transmitting according to the code stream relaying of the embodiment of the invention, and as shown in Figure 6, this flow process comprises the steps:
Step S601, Relay Server sends RTSP description (DESCRIBE) message to the RTSP processing module of content code stream source server CUS.
Step S602, content code stream source server returns RTSP 200 responses to Relay Server.
Step S603, Relay Server sends RTSP to content code stream source server and sets up (SETUP) message.
Step S604, content code stream source server sends RTSP 200 responses to Relay Server.
Step S605, Relay Server sends RTSP to content source and plays (PLAY) message.
Step S606, content code stream source server sends RTSP 200 responses to Relay Server.
Step S607, content code stream source server becomes 3GP code stream form with content encoding, and sends to Relay Server in clean culture UDP/RTP mode.
Step S608, the code stream of Relay Server receives the clean culture UDP/RTP code stream that submodule received content code stream source server sends, code stream modular converter by Relay Server converts clean culture UDP/RTP code stream to multicast UDP/RTP code stream mode then, and the multicast code stream sending module of Relay Server sends multicast UDP/RTP message in multicast address IP.
Step S609, the code stream receiver module of all stream media server S S1, SS2, SS3 adds multicast group with IP identical among the step S607, receiving group UDP/RTP code stream, then, the code stream modular converter converts multicast UDP/RTP code stream to clean culture UDP/RTP code stream form.
Fig. 7 is the flow chart that the streaming media server performance according to the embodiment of the invention reports, and as shown in Figure 7, this flow process may further comprise the steps:
Step S701, all stream media server S S1, SS2, SS3 performance reporting module and user access control server UACS performance collection are set up the TCP link.
Step S702, all stream media server S S1, SS2, SS3 send performance parameter C1, C2, the C3 of this streaming media server periodically for the user access control server, and current Streaming Media provide media services necessary information, for example, IP address and RTSP listening port.
Step S703, user access control server S S1, SS2, SS3 receive the performance parameter of each streaming media server, and preserve the performance parameter of each stream media server S S1, SS2, SS3, select the foundation of the lightest Streaming Media of load as step S801.
Fig. 8 is the flow chart according to user's program request of the embodiment of the invention, and as shown in Figure 8, this flow process comprises following steps:
Step S801, user access control server UACS begins RTSP to be intercepted, and waits for the RTSP redirect request that receives UE.
Step S802, the beginning RTSP of stream media server S S1, SS2, SS3 intercepts, and waits for the RTSP media service request that connects user terminal.
Step S803, UE sends the media services redirect request to user access control server UACS, asks the DESCRIBE message into the RTSP agreement.
Step S804, user access control server UACS is according to performance parameter C1, the C2, the C3 that preserve each streaming media server in the step 303, the performance parameter C2 of Streaming Media SS2 is that load is the lightest when supposing user terminal UE request service here, and UACS selects the lightest streaming media server of SS2 load for user terminal UE.
Step S805, user access control server UACS returns the media services redirect response for user terminal UE, the RTSP conditional code is 302 in the response, and location field comprises among the step S804 information of selecting the lightest stream media server S S2 of load that media services are provided in the response.
Step S806, user terminal UE sends RTSP DESCRIBE message to the RTSP of stream media server S S2 submodule.
Step S807, the RTSP submodule of stream media server S S2 returns RTSP 200 responses to the RTSP of user terminal UE submodule.
Step S808, user terminal UE sends RTSP SETUP message to the RTSP of stream media server S S2 submodule.
Step S809, the RTSP submodule of stream media server S S2 send RTSP 200 responses for user terminal UE.
Step S810, user terminal UE sends RTSP PLAY message to the RTSP of stream media server S S2 submodule.
Step S811, the RTSP submodule of stream media server S S2 send RTSP 200 responses for user terminal UE.
Step S812, the code stream sending module of stream media server S S2 send to the code stream receiver module of user terminal UE with the clean culture UDP/RTP code stream message that code stream modular converter in the step 208 generates.
Step S813, the code stream processing module of user terminal UE is handled the clean culture code stream, and processing mode can comprise decoding, decompress, and carries out analog-to-digital conversion, converts the code stream of UDP/RTP data packet format to vision signal and shows.
Step S814, the RTSP submodule of user terminal UE send RTSP dismounting (TEARDOWN) message for the RTSP submodule of stream media server S S2.
Step S815, the code stream sending module of stream media server S S2 stop to send the clean culture code stream to user terminal UE, and the RTSP submodule of stream media server S S2 returns RTSP 200 responses for user terminal UE simultaneously.
Need to prove, in the present embodiment, the user access control server had both received and had handled the performance reporting message of streaming media server, again simultaneously as the user access control load balancing service, in actual applications, the user access control device can be divided into two modules to be disposed separately, the load-balanced server of a Streaming Media, one is that user access networks close, user terminal only closes alternately with user access networks, and the medium redirect message is closed the load-balanced server that is transmitted to Streaming Media by user access networks.Improve and be out of shape and also belong to the scope of protection of the invention.
Need to prove, in the present embodiment, the agreement of carrying out the medium Signalling exchange between RSCUS, UE and user access control server UACS, user terminal and the streaming media server is RTSP but is not limited thereto that this agreement is the ietf standard agreement, can also adopt other medium interaction protocols.
Need to prove that the coded format that adopts multicast channel in the present embodiment is the 3GP form but is not limited thereto, and also can adopt alternative media coding form in actual applications, for example, MPEG-4,3GPP2, H.264 etc.
Preferably: on the basis of the scheme that the embodiment of the invention is provided; can do following expansion: trunk module is set up two network planes; a network plane links to each other with media content clean culture source module; a network plane in addition links to each other with a plurality of media services modules; make content clean culture source module can pass through VPN (VPN (virtual private network)) Network Transmission like this, can protect the medium code stream of content clean culture source module not to be stolen more safely.
In sum,, can provide media business, and limited in the user access network transmittability, the user terminal that user terminal can not the receiving group code stream also can insert the media business network and use professional to large-scale user terminal by the foregoing description; Do not have multicast message on the user access network plane, do not exist the user to steal yet and successively win the problem of getting the multicast code stream.
Obviously, those skilled in the art should be understood that, above-mentioned each module of the present invention or each step can realize with the general calculation device, they can concentrate on the single calculation element, perhaps be distributed on the network that a plurality of calculation element forms, alternatively, they can be realized with the executable program code of calculation element, thereby, they can be stored in the storage device and carry out by calculation element, perhaps they are made into each integrated circuit modules respectively, perhaps a plurality of modules in them or step are made into the single integrated circuit module and realize.Like this, the present invention is not restricted to any specific hardware and software combination.
The above is the preferred embodiments of the present invention only, is not limited to the present invention, and for a person skilled in the art, the present invention can have various changes and variation.Within the spirit and principles in the present invention all, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. a media business treatment system is characterized in that, comprising:
Trunk module is used for the code stream of receiving media content, and by multicast mode described code stream is sent to one or more media services modules;
Described one or more media services module is used to receive the media service request of self terminal, and will changing and send to described terminal in the mode of clean culture with multicast mode transmitted stream from described trunk module.
2. system according to claim 1 is characterized in that, also comprises:
The user access control module, be used to receive redirect request from described terminal, from described one or more media services modules, select a media services module that is used for providing described code stream, and the information of the described media services module that will select sends to described terminal to described terminal.
3. system according to claim 2, it is characterized in that, described user access control module specifically is used for selecting to be used for providing to described terminal according to the ability of described one or more each media services modules of media services module the described media services module of described code stream, wherein, described ability comprises: the loading condition of media services module.
4. according to each described system in the claim 1 to 3, it is characterized in that, also comprise:
Media content clean culture source module is used for mode of unicast the code stream of described media content being sent to trunk module.
5. system according to claim 4 is characterized in that, described trunk module comprises two network planes, and a network plane is connected with described media content clean culture source module, and another network plane is connected with described one or more media services modules.
6. a terminal is characterized in that, comprising:
Sending module is used for sending described redirect request to the user access control module, so that obtain the information of the media services module that described user access control module selects from one or more media services modules;
Receiver module is used to receive the information from the described media services module of described user access control module selection;
Second sending module is used for sending media service request to the media services module of described information indication, sets up media communication session;
Second receiver module is used to receive the described code stream from the media services module of described information indication.
7. a media business processing method is characterized in that, comprising:
Described trunk module receives the code stream that sends media content with mode of unicast;
Described trunk module is changed described code stream and by multicast mode described code stream is sent to one or more media services modules;
Described media services module receives the media service request of self terminal, and the mode of described code stream by clean culture sent to described terminal.
8. method according to claim 7 is characterized in that, before described media services module received described media service request, described method also comprised:
The user access control module is after the redirect request that receives self terminal, from described one or more media services modules, select a media services module that is used for providing described code stream, and the information of the described media server that will select sends to described terminal to described terminal.
9. method according to claim 8 is characterized in that, selects one to be used for providing the media services module of described code stream to comprise to described terminal:
Described user access control module is selected a media services module that is used for providing to described terminal described code stream according to the ability of described media services module from described media services module, wherein, described ability comprises: the loading condition of media services module.
10. method according to claim 9 is characterized in that, after the information of the described media server that will select sent to described terminal, described method also comprised:
Described terminal is after receiving the described information that is used for the described media services module that the access control module selects, media services module to described information indication sends media service request, and receives the described code stream from the media services module of described information indication.
Priority Applications (2)
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| CN 200910166112 CN101626387B (en) | 2009-08-12 | 2009-08-12 | System, method and terminal for treating media business |
| PCT/CN2010/074249 WO2011017982A1 (en) | 2009-08-12 | 2010-06-22 | System, method and terminal for processing media services |
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| CN 200910166112 CN101626387B (en) | 2009-08-12 | 2009-08-12 | System, method and terminal for treating media business |
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Also Published As
| Publication number | Publication date |
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| WO2011017982A1 (en) | 2011-02-17 |
| CN101626387B (en) | 2013-08-07 |
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