CN104580275B - Cross-system data sharing method, secondary flow gateway, Conference server and controller - Google Patents

Cross-system data sharing method, secondary flow gateway, Conference server and controller Download PDF

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Publication number
CN104580275B
CN104580275B CN201310474217.1A CN201310474217A CN104580275B CN 104580275 B CN104580275 B CN 104580275B CN 201310474217 A CN201310474217 A CN 201310474217A CN 104580275 B CN104580275 B CN 104580275B
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secondary flow
gateway
flow gateway
code stream
sent
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CN104580275A (en
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廖明华
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Huawei Technologies Co Ltd
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Huawei Technologies Co Ltd
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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L65/00Network arrangements, protocols or services for supporting real-time applications in data packet communication
    • H04L65/60Network streaming of media packets
    • H04L65/75Media network packet handling
    • H04L65/765Media network packet handling intermediate
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L65/00Network arrangements, protocols or services for supporting real-time applications in data packet communication
    • H04L65/40Support for services or applications
    • H04L65/403Arrangements for multi-party communication, e.g. for conferences
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00Television systems
    • H04N7/14Systems for two-way working
    • H04N7/15Conference systems

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
  • Telephonic Communication Services (AREA)

Abstract

The embodiment of the invention discloses cross-system data sharing method, secondary flow gateway, Conference server and controllers.The above method includes: that secondary flow gateway receives software conference system transmitted stream;Secondary flow gateway by it is receiving, come from software conference system code stream, be converted into meeting hardware conferencing system requirements, for shared secondary flow, the secondary flow being converted to be sent to hardware conferencing system;Secondary flow gateway receives the secondary flow that hardware conferencing system is sent;Secondary flow receiving, from hardware conferencing system is converted into meeting the requirement of software conference system, the code stream for sharing, the code stream being converted to is sent to software conference system by secondary flow gateway.As it can be seen that in embodiments of the present invention, under the premise of not changing software conference system and itself sharing mode of hardware conferencing system, realizing the data sharing of cross-system.

Description

Cross-system data sharing method, secondary flow gateway, Conference server and controller
Technical field
The present invention relates to fields of communication technology, more specifically to cross-system data sharing method, secondary flow gateway, meeting Discuss server and controller.
Background technique
Currently, conference system can be divided into software conference system and hardware conferencing system.Meeting is accessed whenever and wherever possible in order to meet View, and enterprise customer's demand in ultimate attainment high definition and virtual reality meeting-place is taken into account, software conference system and hardware conferencing system will be walked To fusion, and need shared data.Since two kinds of conference systems realize that the mode of data sharing is different, market needs can Solve the scheme of information sharing between two systems.
Summary of the invention
In view of this, the embodiment of the present invention is designed to provide cross-system data sharing method, secondary flow gateway, meeting clothes Business device and controller, to solve the above problems.
To achieve the above object, the embodiment of the present invention provides the following technical solutions:
According to a first aspect of the embodiments of the present invention, a kind of cross-system data sharing method is provided, secondary flow gateway, packet are based on It includes:
The secondary flow gateway receives software conference system transmitted stream;
The secondary flow gateway by it is receiving, come from software conference system code stream, be converted into meeting hardware conferencing system and want It asks, for shared secondary flow, the secondary flow being converted to is sent to the hardware conferencing system;
The secondary flow gateway receives the secondary flow that hardware conferencing system is sent;
The secondary flow gateway is converted into secondary flow receiving, from hardware conferencing system to meet software conference system It is required that, for shared code stream, the code stream being converted to is sent to the software conference system.
With reference to first aspect, in the first possible implementation, software conference system is received in the secondary flow gateway Before transmitted stream, further includes:
Secondary flow gateway receives the shared application from software conference system and is transmitted to hardware conferencing system;
The Share Permissions are transmitted to described by secondary flow gateway after the Share Permissions for receiving the return of hardware conferencing system Software conference system.
With reference to first aspect, in the second possible implementation, hardware conferencing system is received in the secondary flow gateway Before the secondary flow of transmission, further includes:
Secondary flow gateway receives the shared application from hardware conferencing system and is transmitted to software conference system, so as to described soft Part conference system carries out Share Permissions release.
Second of possible implementation of the possible implementation of with reference to first aspect the first or first aspect, In the third possible implementation, described be converted into meeting the requirement of software conference system, include: to turn for shared code stream It changes into and meets the requirement of software conference system, the road the N code stream for sharing, the image matter for appointing two-way code stream in the code stream of the road N Amount is not identical, and the N is natural number.
The third possible implementation with reference to first aspect, in the fourth possible implementation, further includes:
Secondary flow gateway receives the Path Setup request from software conference system;
Secondary flow gateway carries out resource allocation;
Secondary flow gateway initiates the signaling negotiation with the hardware conferencing system;
After hardware conferencing system response, secondary flow gateway establishes the secondary flow channel and code stream channel.
The 4th kind of possible implementation with reference to first aspect, in a fifth possible implementation, the software Conference system includes at least software conference terminal and Conference server;The hardware conferencing system includes at least hardware conferencing terminal With multiple spot switching plane MCU;The secondary flow gateway includes at least signaling control conversion module and media stream transition module.
The 5th kind of possible implementation with reference to first aspect, in a sixth possible implementation, the media Conversion module is flowed by established code stream channel, receives the code stream from the Conference server, alternatively, by described built Vertical code stream channel sends code stream to the Conference server;The media stream transition module by established secondary flow channel, The secondary flow from the MCU is received, alternatively, sending secondary flow to the MCU by the established secondary flow channel.
The 6th kind of possible implementation with reference to first aspect, in the 7th kind of possible implementation, the secondary flow Gateway receives the Path Setup request from software conference system
The signaling control conversion module receives the Path Setup request from the Conference server;
It includes: that the signaling control conversion module sends resource allocation message to matchmaker that the secondary flow gateway, which carries out resource allocation, Body stream conversion module;The media stream transition module carries out resource allocation, and returning response according to the resource allocation message;
The secondary flow gateway initiates to include: the signaling control conversion module with the signaling negotiation of the hardware conferencing system After receiving the response, the signaling negotiation with the MCU is initiated;
It is described the hardware conferencing system response after, secondary flow gateway establishes the secondary flow channel and code stream channel includes: After MCU response, the signaling control conversion module indicates that the media stream transition module establishes the secondary flow channel;Institute It states signaling control conversion module and indicates that the media stream transition module establishes code stream channel.
The 5th kind of possible implementation with reference to first aspect, or the 6th kind of possible realization with reference to first aspect Mode, or the 7th kind of possible implementation with reference to first aspect, in the 8th kind of possible implementation, the road N Code stream is determined according to the type of software conference terminal, so that the Conference server is selected from the road the N code stream received Code stream is sent to the software conference terminal of respective type.
According to a second aspect of the embodiments of the present invention, a kind of cross-system data sharing method is provided, secondary flow gateway, institute are based on The method of stating includes:
It receives the meeting that software conference terminal is sent and request is added;
The Path Setup request is sent to the secondary flow gateway to initiate so that the secondary flow gateway carries out resource allocation It is logical to establish secondary flow channel and code stream and after hardware conferencing system response with the signaling negotiation of the hardware conferencing system Road;
Code stream is sent to the secondary flow gateway, so that the code stream is converted into meeting hardware conferencing system by the secondary flow gateway System requires, for shared secondary flow, and the secondary flow being converted to is sent to the hardware conferencing system;
Receive it is that the secondary flow gateway is sent, meet this system and require, for shared code stream;The secondary flow gateway is sent Code stream, be that the secondary flow gateway receives the secondary flow that lower hardware conferencing system is sent and is converted to it.
In conjunction with second aspect, in the first possible implementation, before sending code stream to the secondary flow gateway, also It include: to send shared application to secondary flow gateway, so that the secondary flow gateway forwards give hardware conferencing system.
In conjunction with second aspect, in the second possible implementation, receive it is that the secondary flow gateway is sent, meet this Before system requirements, the code stream for sharing, further includes: receive the shared application of the secondary flow gateway forwards;Carry out shared power Limit release.
It is in the third possible implementation, described to auxiliary in conjunction with the first possible implementation of second aspect It includes: the speaker's request for receiving software conference terminal and sending that drift net, which closes and sends shared application,;In the artificial hardware meeting of current speaker When discussing terminal, the shared application is sent to the secondary flow gateway, so that the secondary flow gateway forwards are in hardware conferencing system MCU, the MCU judgement can authorize Share Permissions when, to the secondary flow gateway return Share Permissions.
In conjunction with second of possible implementation of second aspect, in the fourth possible implementation, the reception The shared application of the secondary flow gateway forwards includes: to receive asking as the shared speaker's release applied for secondary flow gateway forwards It asks;The progress Share Permissions release includes: to carry out speaker to discharge operation.
According to a third aspect of the embodiments of the present invention, a kind of cross-system data sharing method is provided, secondary flow gateway, institute are based on The method of stating includes:
Receive the signaling negotiation that the secondary flow gateway is initiated;The signaling negotiation is that the secondary flow gateway is carrying out resource point It is initiated after matching, the resource allocation is carried out after receiving Path Setup request, and the Path Setup request is by described Software conference system is initiated;
To the secondary flow gateway returning response, so that the secondary flow gateway establishes secondary flow channel and code stream channel;
Secondary flow is sent to the secondary flow gateway, so that the secondary flow is converted into meeting software meeting system by the secondary flow gateway System requires, for shared code stream, and the code stream being converted to is sent to the software conference system;
Receive it is that the secondary flow gateway is sent, meet this system and require, for shared secondary flow;The secondary flow gateway is sent Secondary flow, the software conference system transmitted stream and it is converted under the secondary flow gateway receives.
In conjunction with the third aspect, in the first possible implementation, further includes: sent receiving the secondary flow gateway , meet this system and require, for shared secondary flow before, further includes: receive the shared application of secondary flow gateway forwards;To described Secondary flow gateway returns to Share Permissions.
In conjunction with the third aspect, in the second possible implementation, before sending secondary flow to the secondary flow gateway, also Include: to send shared application to secondary flow gateway, is released so that the secondary flow gateway forwards carry out Share Permissions to software conference system It puts.
It is returned in the third possible implementation described in conjunction with the first possible implementation of the third aspect It returns before Share Permissions further include: after the shared application for receiving secondary flow gateway forwards, carry out speaker and discharge operation.
It is in the fourth possible implementation, described to auxiliary in conjunction with second of possible implementation of the third aspect It includes: the speaker's request for receiving hardware conferencing terminal and sending that drift net, which closes and sends shared application,;In the artificial software meeting of current speaker When discussing terminal, speaker is sent to the secondary flow gateway and discharges request as the shared application;So that the secondary flow gateway will The speaker discharges request and is transmitted to the Conference server progress speaker release operation.
According to a fourth aspect of the embodiments of the present invention, a kind of secondary flow gateway is provided, comprising: media stream transition module is used for, Software conference system transmitted stream is received to be converted into code stream receiving, from software conference system to meet hardware meeting Conference system requires, for shared secondary flow, and the secondary flow being converted to is sent to the hardware conferencing system, and, it receives hard The secondary flow that part conference system is sent is converted into secondary flow receiving, from hardware conferencing system to meet software conference system It is required that, for shared code stream, the code stream being converted to is sent to the software conference system.
In conjunction with fourth aspect, in the first possible implementation, further includes: signaling controls conversion module, at least uses In, it receives the shared application from software conference system and is transmitted to hardware conferencing system, and, receiving hardware conferencing system It unites after the Share Permissions returned, the Share Permissions is transmitted to the software conference system.
In conjunction with the first possible implementation of fourth aspect, in the second possible implementation, the signaling Control conversion module is also used to, and is received the shared application from hardware conferencing system and is transmitted to software conference system, with toilet It states software conference system and carries out Share Permissions release.
In conjunction with second of possible implementation of fourth aspect, in the third possible implementation, the signaling Control conversion module is also used to, and is received the shared application from the MCU and is transmitted to the Conference server.
In conjunction with the third possible implementation of fourth aspect, in the fourth possible implementation, the signaling Control conversion module is also used to, and is received the Path Setup request from Conference server, is sent resource allocation message to Media Stream Conversion module is receiving so that media stream transition module carries out resource distribution and returning response according to the resource allocation message To after media stream transition module response, the signaling negotiation with multiple spot switching plane MCU is initiated, and, it is responded in the MCU Afterwards, indicate that the media stream transition module establishes the secondary flow channel and code stream channel.
According to a fifth aspect of the embodiments of the present invention, a kind of Conference server is provided, comprising: Path Setup request transmission is single Member, for the secondary flow gateway sendaisle establish request, so as to the secondary flow gateway carry out resource allocation, initiate with it is described The signaling negotiation of hardware conferencing system, and after hardware conferencing system response, it is logical that the secondary flow gateway establishes the secondary flow Road and code stream channel;Code stream transmission unit, for sending code stream to the secondary flow gateway, so that the secondary flow gateway is by the code Circulation, which changes into, meets hardware conferencing system requirements, for shared secondary flow, and the secondary flow being converted to is sent to the hardware Conference system;Code stream receiving unit, for receive it is that the secondary flow gateway is sent, meet this system and require, for shared code Stream;The secondary flow gateway transmitted stream, be the secondary flow gateway receive the secondary flow that lower hardware conferencing system is sent and to its into What row was converted to.
According to a sixth aspect of the embodiments of the present invention, a kind of controller is provided, comprising: secondary flow transmission unit is used for auxiliary Drift net, which closes, sends secondary flow, so that the secondary flow gateway is converted into the secondary flow to meet the requirement of software conference system, is used to share Code stream, and the code stream being converted to is sent to the software conference system;Secondary flow receiving unit, for receiving the secondary flow It is that gateway is sent, meet this system and require, for shared secondary flow;The secondary flow that the secondary flow gateway is sent, is the secondary flow net It closes the software conference system transmitted stream under receiving and it is converted to;Signaling negotiation unit, for receiving The signaling negotiation that the secondary flow gateway is initiated;The signaling negotiation is that the secondary flow gateway is initiated after carrying out resource allocation, The resource allocation is carried out after receiving Path Setup request, and the Path Setup request is by the software conference system It initiates;Response unit, for the secondary flow gateway returning response, so that the secondary flow gateway establishes secondary flow channel and code stream is logical Road.
As it can be seen that in embodiments of the present invention, secondary flow gateway is by the data conversion from software conference system at meeting hardware The secondary flow that conference system requires is then forwarded to hardware conferencing system, and hardware conferencing system can be still using the shared number of original agreement According to.Secondary flow gateway can also be by the data conversion from hardware conferencing system at meeting sending out again according to code stream for software conference system requirement Software conference system is given, in this way, original agreement shared data still can be used in software conference system.Therefore, in the present embodiment, Under the premise of not changing software conference system and itself sharing mode of hardware conferencing system, the data for realizing cross-system are total It enjoys.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with It obtains other drawings based on these drawings.
Fig. 1 is interaction diagrams provided in an embodiment of the present invention;
Fig. 2 is another interaction diagrams provided in an embodiment of the present invention;
Fig. 3 is secondary flow gateway architecture schematic diagram provided in an embodiment of the present invention;
Fig. 4 is another interaction diagrams provided in an embodiment of the present invention;
Fig. 5 is another interaction diagrams provided in an embodiment of the present invention;
Fig. 6 is another interaction diagrams provided in an embodiment of the present invention;
Fig. 7 is another interaction diagrams provided in an embodiment of the present invention;
Fig. 8 is another interaction diagrams provided in an embodiment of the present invention;
Fig. 9 is another interaction diagrams provided in an embodiment of the present invention;
Figure 10 is another interaction diagrams provided in an embodiment of the present invention;
Figure 11 is secondary flow gateway architecture schematic diagram provided in an embodiment of the present invention;
Figure 12 is Conference server structural schematic diagram provided in an embodiment of the present invention;
Figure 13 is controller architecture schematic diagram provided in an embodiment of the present invention;
Figure 14 is another structural schematic diagram of secondary flow gateway provided in an embodiment of the present invention;
Figure 15 is another structural schematic diagram of Conference server provided in an embodiment of the present invention;
Figure 16 is another structural schematic diagram of controller provided in an embodiment of the present invention;
Figure 17 is media stream transition modular structure schematic diagram provided in an embodiment of the present invention;
Figure 18 is the another structural schematic diagram of secondary flow gateway provided in an embodiment of the present invention;
Figure 19 is the another structural schematic diagram of Conference server provided in an embodiment of the present invention;
Figure 20 is the another structural schematic diagram of controller provided in an embodiment of the present invention.
Specific embodiment
For the sake of quoting and understanding, hereafter used in technical term, write a Chinese character in simplified form or abridge summary be explained as follows:
MCU:Multipoint Control Unit, multiple spot switching plane;
UC:Unified Communication, Unified Communication;
SDP:Session Description Protocol, Session Description Protocol;
SIP:Session Initial Protocol, session initiation protocol;
SOAP:Simple Object Access Protocol, Simple Object Access Protocol;
AS:Application Server, application server;
MCU:Multipoint Control Unit, multiple spot switching plane;
RTP:Real-time Transfer Protocol, real-time transport protocol;
SMC:Service Management Center, Service Management Center;
BFCP:Binary Floor Control Protocol, binary floor control protocol;
VC:Video Conference, video conference;
Secondary flow: content videos;
IM:Instant Message, instant messaging;
HD: high definition;
H.264:H.264 it is International Organization for Standardization and International Telecommunication Union proposes jointly after MPEG4 New-generation digital video compression format later.
Attached drawing in example, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described Embodiment be only a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ability Domain those of ordinary skill every other embodiment obtained without creative efforts, belongs to guarantor of the present invention The range of shield.
For convenience of technical solution provided by the present invention is understood, software conference system and hardware conferencing system are now first introduced.
Before introducing software conference system, Desktop Conferencing System and UC system are first introduced.
Desktop conferencing is by IM(software) it is used as meeting platform, a kind of Web conference based on internet.In table The transmission of data sharing information is generally realized in the conference system of face by T.120 serial protocols.T.120 serial protocols are ITU-T The agreement general name of the communication of a whole set of multipoint data meeting, conference management and data application formulated.It is general in UC system at present Also contain the Desktop Conferencing System that T.120 mode is realized.Therefore, software conference system at least may include desktop conferencing and UC system At least one of system, also, in software conference system, using the T.120 agreement shared data based on HTTP.
Hardware conferencing system, also referred to as hardware video conference system are within the system, general to realize number by double-current technology According to the transmission of shared information.Double fluid actually refers to that two video streaming transmits.In the hardware conferencing system based on Session Initiation Protocol, one Secondary negotiable multi-path video stream, and interaction is controlled by BFCP agreement.Two video streaming include main video flowing (abbreviation mainstream) and Auxiliary video flowing (abbreviation secondary flow), wherein mainstream is generally used for transmission meeting-place video, and secondary flow is generally used for needing altogether when transmission meeting The document enjoyed, such as PPT, table etc..
In order to meet accessing conference whenever and wherever possible, and enterprise customer's demand in ultimate attainment high definition and virtual reality meeting-place is taken into account, Software conference system and hardware conferencing system will move towards fusion, and can shared data.Since two kinds of conference systems realize that data are total The mode enjoyed is different, and therefore, market needs that the scheme of information sharing between two systems can be achieved.
In view of this, the embodiment of the present invention introduces secondary flow gateway, cross-system data sharing method is provided based on secondary flow gateway, To realize information sharing between two systems.
The thinking of above-mentioned cross-system data sharing method is: secondary flow gateway will receive, from the first conference system Data flow is converted into meeting the second conference system requirement, the data flow for sharing, and the data flow being converted to is sent to Second conference system.
Due to needing to carry out the data sharing between software conference system and hardware conferencing system, the first meeting system System can be software conference system, and the second conference system can be hardware conferencing system, and vice versa.
Referring to Fig. 1, software conference system in this way initiates data sharing, then software conference system, secondary flow gateway and hardware meeting Interaction flow between conference system includes at least:
S101, software conference system are sent to secondary flow gateway meets the requirement of software conference system, for shared code stream;
S102, secondary flow gateway are converted into code stream receiving, from software conference system to meet hardware conferencing system It is required that, for shared secondary flow;
The secondary flow being converted to is sent to above-mentioned hardware conferencing system by S103, secondary flow gateway.
And hardware conferencing system initiates data sharing in this way, and still referring to Figure 1, software conference system, secondary flow gateway and hard Interaction flow between part conference system includes at least:
S201, hardware conferencing system are sent to above-mentioned secondary flow gateway meets hardware conferencing system requirements, for shared auxiliary Stream;
S202, secondary flow gateway are converted into secondary flow receiving, from hardware conferencing system to meet software conference system It is required that, for shared code stream;
The code stream being converted to is sent to above-mentioned software conference system by S203, secondary flow gateway.
Wherein, the code stream that software conference system sends or receives concretely T.120 data code flow, and hardware conferencing system The secondary flow sent or received concretely H.264 secondary flow code stream.
In addition, will H.264 secondary flow code stream is converted to T.120 data code flow when, certain media conversion algorithm pair can be used H.264 secondary flow code stream is compressed, to be converted into the data code flow for being suitable for T.120 bandwidth.Specific media conversion is calculated Method can continue to use existing media conversion algorithm, and therefore not to repeat here.
Based on above-mentioned interaction flow, from the perspective of secondary flow gateway, step performed by secondary flow gateway is included at least:
Secondary flow gateway receives software conference system transmitted stream;
Secondary flow gateway by code stream receiving, from software conference system, be converted into meeting hardware conferencing system requirements, For shared secondary flow, the secondary flow being converted to is sent to above-mentioned hardware conferencing system;
Receive the secondary flow that hardware conferencing system is sent;
Secondary flow gateway by secondary flow receiving, from hardware conferencing system, be converted into meeting the requirement of software conference system, For shared code stream, the code stream being converted to is sent to above-mentioned software conference system.
And for software conference system angle, the process executed is as follows:
Code stream is sent to above-mentioned secondary flow gateway, so that above-mentioned code stream is converted into meeting hardware conferencing system by above-mentioned secondary flow gateway System requires, for shared secondary flow, and the secondary flow being converted to is sent to above-mentioned hardware conferencing system;
Receive it is that above-mentioned secondary flow gateway is sent, meet this system and require, for shared code stream;Above-mentioned secondary flow gateway is sent Code stream, be that above-mentioned secondary flow gateway receives the secondary flow that lower hardware conferencing system is sent and is converted to it.
As for hardware conferencing system, then the process of its execution is as follows:
Secondary flow is sent to above-mentioned secondary flow gateway, so that above-mentioned secondary flow is converted into meeting software meeting system by above-mentioned secondary flow gateway System requires, for shared code stream, and the code stream being converted to is sent to above-mentioned software conference system;
Receive it is that above-mentioned secondary flow gateway is sent, meet this system and require, for shared secondary flow;Above-mentioned secondary flow gateway is sent Secondary flow, above-mentioned software conference system transmitted stream and it is converted under above-mentioned secondary flow gateway receives.
Hardware conferencing system is using double-current Techno-sharing data, and in the present embodiment, secondary flow gateway will come from software meeting The data conversion of system is then forwarded to hardware conferencing system at secondary flow, and hardware conferencing system can be still using double-current Techno-sharing number According to.And software conference system is using T.120 agreement shared data, secondary flow gateway can be by the data conversions from hardware conferencing system It is then forwarded to software conference system at T.120 data code flow, in this way, the shared number of T.120 agreement still can be used in software conference system According to.Therefore, in the present embodiment, under the premise of not changing software conference system and itself sharing mode of hardware conferencing system, Realize the data sharing of cross-system.
In other embodiments of the present invention, secondary flow gateway can code by code stream channel reception from software conference system Stream, alternatively, sending code stream to software conference system;In addition, secondary flow gateway can come from hardware conferencing system by secondary flow channel reception The secondary flow of system, alternatively, sending secondary flow to hardware conferencing system.Code stream channel and secondary flow channel are deposited always before meeting adjourned ?.
Therefore, it before software conference system or hardware conferencing system initiate data sharing, needs first to establish code stream channel With secondary flow channel.More specifically, code stream channel and secondary flow channel can just be established when a certain conference system needs data sharing. Code stream channel and secondary flow channel can also just be established when meeting is added, when needing data sharing, directly using above-mentioned two channel into The transmission of row data.
In this way, in other embodiments of the present invention, referring to fig. 2, in above-mentioned all embodiments, software conference system or hard Before part conference system initiates data sharing, can also it be carried out such as between software conference system, secondary flow gateway and hardware conferencing system Lower interaction:
S301, software conference system are established to above-mentioned secondary flow gateway sendaisle and are requested;
After S302, secondary flow gateway receiving channel establish request, resource allocation is carried out;
S303, secondary flow gateway initiate the signaling negotiation with hardware conferencing system;
S304, hardware conferencing system are to secondary flow gateway returning response;
S305, above-mentioned hardware conferencing system response after, secondary flow gateway establishes above-mentioned secondary flow channel and code stream channel.
Certainly, it can also establish and request from hardware conferencing system to above-mentioned secondary flow gateway sendaisle, secondary flow gateway is carrying out After resource allocation, the signaling negotiation with software conference system is initiated, those skilled in the art can carry out flexible design, not make herein It repeats.
Based on above-mentioned interaction flow, from the perspective of secondary flow gateway, step performed by secondary flow gateway is included at least:
Secondary flow gateway receives the Path Setup request from software conference system;
Secondary flow gateway carries out resource allocation;
Secondary flow gateway initiates the signaling negotiation with hardware conferencing system;
After the response of hardware conferencing system, secondary flow gateway establishes secondary flow channel and code stream channel.
And for software conference system angle, the process executed is as follows:
It establishes and requests to above-mentioned secondary flow gateway sendaisle, so that secondary flow gateway carries out resource allocation, initiate and hardware meeting The signaling negotiation of conference system, and after the response of hardware conferencing system, establish secondary flow channel and code stream channel.
As for hardware conferencing system, then the process of its execution is as follows:
Receive the signaling negotiation that above-mentioned secondary flow gateway is initiated;
To above-mentioned secondary flow gateway returning response, so that above-mentioned secondary flow gateway establishes secondary flow channel and code stream channel.
In other embodiments of the present invention, the software conference system in above-mentioned all embodiments can include at least software meeting Terminal and Conference server;And hardware conferencing system can include at least hardware conferencing terminal (conference room terminal and high definition terminal) and MCU.It should be noted that the present invention has been introduced primarily into secondary flow gateway, and Conference server, MCU are optimized, software meeting It discusses terminal and hardware conferencing terminal can be existing software conference terminal and hardware conferencing terminal.
Above-mentioned Conference server and MCU directly with secondary flow gateway communication.Therefore, aforementioned mentioned, software conference system It is sent to secondary flow gateway and meets the requirement of software conference system, for shared code stream, actually may include, software conference terminal is raw At code stream, and send it to Conference server, Conference server again to secondary flow gateway transmission meet the requirement of software conference system, For shared code stream;And the code stream being converted to is sent to above-mentioned software conference system by secondary flow gateway above-mentioned, actually It may include that the code stream being converted to is sent to Conference server by secondary flow gateway, then is broadcast to each software meeting by Conference server Discuss terminal.
Similarly, aforementioned to refer to, it actually may include hardware that hardware conferencing system, which sends secondary flow to above-mentioned secondary flow gateway, Conference terminal generates secondary flow, and sends it to MCU, and MCU sends the secondary flow to secondary flow gateway again;And secondary flow gateway above-mentioned will The secondary flow being converted to is sent to above-mentioned hardware conferencing system, actually may include, secondary flow gateway sends out the secondary flow being converted to It send to MCU, then each hardware conferencing terminal is broadcast to by MCU.
It is also similar therewith as Path Setup process shown in Fig. 2, it is subsequent herein to describe in detail.
By taking UC conference system as an example, above-mentioned software conference terminal may include pc client, Mobile HD(Pad) client, Mobile client, web client (cooperation IP phone use).From the point of view of current technology, corresponding hardware be mainly PC, Plate, mobile phone three classes.
The resolution ratio and processing capacity of the equipment such as PC, plate, mobile phone are different, especially mobile terminal (mobile terminals Including plate and mobile phone), processing capacity is relatively limited.Therefore, in other embodiments of the present invention, above-mentioned all implementations " (secondary flow gateway) is converted into meeting the requirement of software conference system, the code stream for sharing " in example, which can refine, includes:
(secondary flow gateway by secondary flow) is converted into meeting that the requirement of software conference system, (N is nature for the shared road N code stream Number), the picture quality for appointing two-way code stream in the code stream of the above-mentioned road N is not identical.
The above-mentioned road N code stream is determined according to the type of software conference terminal.For example, software conference terminal be divided into PC, When plate, mobile phone three types, the secondary flow received can be converted to three road code stream of low- medium- high level (according to system need by secondary flow gateway Want expansible more multiscale) it is sent to the Conference server in UC conference system.
And after Conference server receives the road N code stream, select code stream to be sent to the software meeting of respective type from the code stream of the road N Discuss terminal.Precedent is still continued to use, the secondary flow received is converted to three road code stream of low- medium- high level and is sent to conference service by secondary flow gateway Then device gives different clients according to the type broadcast of software conference terminal by Conference server, such as: to pc client High-grade code stream is broadcasted, to Mobile HD client broadcast middle-grade code stream, to Mobile client broadcast low grade code stream.In this way, having Optimum efficiency can be obtained conducive to all terminal devices of UC system.
Certainly, those skilled in the art can design the number for the code stream that secondary flow gateway is converted out according to actual needs, and Per the picture quality of code stream all the way, therefore not to repeat here.
In addition, can also design the type for enabling Conference server count client in this system, and notify secondary flow gateway, so as to Secondary flow is converted into and client in UC conference system by the type of secondary flow gateway client according to included in UC conference system The corresponding multichannel code stream of number of types.
Correspondingly, due to it is convertible go out the road N code stream, the quantity in aforementioned code stream channel can also be it is N number of, in this way, different Code stream can pass through different code stream channel transfers.
The structure of secondary flow gateway is explained below.Referring to Fig. 3, in the present embodiment, secondary flow gateway may include signaling control Conversion module 1 and media stream transition module 2.Wherein, signaling controls conversion module 1, at least for realizing software conference system letter Enable (T.120 signaling) and hardware conferencing system signaling (SIP/BFCP signaling) is adapted to conversion;And media stream transition module 2, until It can be used for realizing the conversion between code stream and secondary flow less.
In the present embodiment, between media stream transition module 2 and Conference server by above-mentioned code stream channel transfer code stream, And pass through secondary flow channel transfer secondary flow between media stream transition module 2 and MCU.
It is preceding to have addressed, code stream channel and secondary flow channel can be just established when meeting is added.Due to hardware conferencing system, performance High, good reliability, therefore, usually meeting is added to hardware conferencing system application in UC system.Also, code stream channel and secondary flow are logical The foundation in road can be triggered when meeting is added in first software conference terminal application.
Fig. 4 is referred to, during establishing code stream channel and secondary flow channel, software conference system, secondary flow gateway and hardware Interaction flow between conference system and between each internal system can be as follows:
S401, software conference terminal send meeting and request are added;
S402, Conference server send above-mentioned Path Setup request to above-mentioned secondary flow gateway (signaling control conversion module);
Above-mentioned Path Setup requests concretely T.120 request message.
S403, signaling control conversion module send resource allocation message and give media stream transition module;
S404, media stream transition module carry out resource allocation according to above-mentioned resource allocation message;
S405, media stream transition module returning response;
After S406, signaling control conversion module receive above-mentioned response, the signaling negotiation with MCU is initiated;
Above-mentioned signaling negotiation concretely SIP signaling negotiation carries BFCP information.Specifically, the carrying of BFCP information is being sent out It rises in the shared INVITE SIP signaling of secondary flow, for negotiating the parameter of secondary flow.
S407, MCU response;
S408, signaling control conversion module instruction media stream transition module establish secondary flow channel;
S409, signaling control conversion module instruction media stream transition module establish code stream channel.
Based on above-mentioned interaction flow, from the point of view of signaling controls conversion module and media stream transition module, aforementioned " secondary flow gateway Receive the Path Setup request from software conference system " can include: signaling controls conversion module and receives from Conference server Path Setup request.
Above-mentioned " secondary flow gateway carries out resource allocation " can include: signaling controls conversion module and sends resource allocation message to matchmaker Body stream conversion module;
Media stream transition module carries out resource allocation, and returning response according to above-mentioned resource allocation message.
Above-mentioned " secondary flow gateway initiates the signaling negotiation with above-mentioned hardware conferencing system " can include: signaling controls conversion module After receiving above-mentioned response, the signaling negotiation with above-mentioned MCU is initiated.
Above-mentioned " after the response of hardware conferencing system, secondary flow gateway establishes secondary flow channel and code stream channel " can include:
After MCU response, it is logical that above-mentioned signaling control conversion module indicates that above-mentioned media stream transition module establishes above-mentioned secondary flow Road;
Signaling control conversion module instruction media stream transition module establishes code stream channel.
And for Conference server angle, the process (corresponding " establish and request to secondary flow gateway sendaisle ") of execution Can include:
It receives the meeting that software conference terminal is sent and request is added;
Above-mentioned Path Setup request is sent to above-mentioned secondary flow gateway.
As for the process for MCU angle, executed can include:
Receive the signaling negotiation that secondary flow gateway (signaling control conversion module) is initiated;
MCU is to secondary flow gateway returning response (corresponding " hardware conferencing system to secondary flow gateway returning response ").
In other embodiments of the present invention, the end in above-mentioned all embodiments in hardware conferencing system or software conference system End can just initiate data sharing possessing Share Permissions.
For example, data sharing is initiated in software conference system, also, hardware conferencing terminal possesses the feelings of Share Permissions Under border, referring to Fig. 5, before step S101, can also it be carried out such as between software conference system, secondary flow gateway and hardware conferencing system Lower interaction:
S501, software conference system send shared application to secondary flow gateway;
S502, secondary flow gateway by shared application and are transmitted to hardware conferencing system;
S503, hardware conferencing system return to Share Permissions to secondary flow gateway;
The Share Permissions received are transmitted to software conference system by S504, secondary flow gateway.
It should be noted that secondary flow gateway in the shared application of forwarding, can carry out Signalling conversion to shared application, to enable it Meet the signaling request of hardware conferencing system, similarly, in forwarding Share Permissions, can also carry out Signalling conversion to it.
Based on above-mentioned interaction flow, from the point of view of secondary flow gateway angle, software conference system hair is received in above-mentioned secondary flow gateway Before the code stream sent, secondary flow gateway is also executed the following steps:
Secondary flow gateway receives the shared application from software conference system and is transmitted to hardware conferencing system;
Above-mentioned Share Permissions are transmitted to above-mentioned by secondary flow gateway after the Share Permissions for receiving the return of hardware conferencing system Software conference system.
And for Conference server angle, before sending code stream to above-mentioned secondary flow gateway, the process executed may be used also It include: to send shared application to secondary flow gateway, so that above-mentioned secondary flow gateway forwards give hardware conferencing system.
And it includes: shared power receiving secondary flow gateway forwards that above-mentioned the step of sending code stream to secondary flow gateway, which can refine, After limit, code stream is sent to secondary flow gateway.
And for MCU angle, receive it is that above-mentioned secondary flow gateway is sent, meet this system and require, for shared auxiliary Before stream, following process can also carry out:
Receive the shared application of secondary flow gateway forwards;
Share Permissions are returned to above-mentioned secondary flow gateway.
In the prior art, when the terminal inside hardware conferencing system or software conference system initiates shared, terminal can Shen Please speaker can just initiate data sharing after speaker.
Therefore, the embodiment of the present invention is to be compatible with the prior art, and no matter hardware conferencing terminal or software conference terminal exist It initiates before sharing, it is also desirable to first become speaker.Also, in the present embodiment, decided whether to authorize Share Permissions by MCU.By In needing first to become speaker, therefore, above-mentioned Share Permissions can limit for speaker's human rights.Certainly, under technology variation, possible terminal It does not need that data sharing can also be initiated as speaker, then Share Permissions can be an independent permission, with speaker's permission not phase It closes.
In the situation that software conference terminal initiates data sharing, referring to Fig. 6 and Fig. 7, software conference system, secondary flow gateway Between hardware conferencing system and the interaction flow of internal system can be as follows:
S601, software conference terminal send speaker's request;
In the artificial hardware conferencing terminal of current speaker, to above-mentioned secondary flow gateway, (signaling control turns for S602, Conference server Change the mold block) it sends above-mentioned speaker and requests to be used as and share application;
It should be noted that if currently artificially another software conference terminal, Conference server directly carry out speaker to speaker People's switching just sends above-mentioned shared application to secondary flow gateway only when current speaker belongs to different system.
Shared application is transmitted to above-mentioned MCU by S603, secondary flow gateway (signaling control conversion module).
S604, MCU are returned altogether when judgement can authorize Share Permissions to above-mentioned secondary flow gateway (signaling control conversion module) Enjoy permission.
In addition, may also include the steps of S605 before or while MCU returns to Share Permissions: carrying out speaker's release Operation.Certainly, as previously mentioned, if terminal does not need that data sharing can also be initiated as speaker, do not need to carry out speaker People discharges operation, and step S605 is also just not present.
The Share Permissions received are transmitted to Conference server by S606, secondary flow gateway (signaling control conversion module).
The Share Permissions received are transmitted to software conference terminal by S607, Conference server.
It should also be noted that, abovementioned steps S101 in " software conference system to secondary flow gateway transmission meets software meeting Conference system requires, for shared code stream " in the present embodiment, it can refine and include:
S1011, receive secondary flow gateway (signaling control conversion module) forwarding Share Permissions after, software conference terminal As speaker, code stream is sent to Conference server;
S1012, Conference server will receive code stream and be transmitted to secondary flow gateway (media stream transition module).
Based on above-mentioned interaction flow, from the point of view of Media Gateway (signaling control conversion module), performed by step it is as follows:
Media Gateway (signaling control conversion module) receives the shared application from the Conference server and is transmitted to institute State MCU;
Secondary flow gateway (signaling control conversion module) forwards Share Permissions after the Share Permissions for receiving MCU return To Conference server.
And for Conference server angle, the process (corresponding " sending shared application to secondary flow gateway ") executed can wrap It includes:
Receive speaker's request that software conference terminal is sent;
In the artificial hardware conferencing terminal of current speaker, sent to above-mentioned secondary flow gateway (signaling control conversion module) above-mentioned Shared application, so that above-mentioned secondary flow gateway (signaling control conversion module) is transmitted to above-mentioned MCU, above-mentioned MCU can be authorized in judgement When Share Permissions, Share Permissions are returned to above-mentioned secondary flow gateway.
The process executed corresponding to step S1011 and S1012, Conference server can include:
Software conference terminal is received as speaker's transmitted stream, which is that software conference terminal is receiving meeting It is sent after the Share Permissions of server forwarding;
Code stream will be received and be transmitted to secondary flow gateway (media stream transition module).
As for the process for MCU angle, executed can include:
Receive the shared application of secondary flow gateway (signaling control conversion module) forwarding;
Share Permissions are returned to the secondary flow gateway (signaling control conversion module).
It also, can also carry out following steps before above-mentioned return Share Permissions: carrying out speaker and discharge operation.
It corresponds, initiates data sharing in hardware conferencing terminal, also, software conference terminal possesses Share Permissions Interactive stream under situation, referring to Fig. 8, before step S201, between software conference system, secondary flow gateway and hardware conferencing system Journey can be as follows:
S801, hardware conferencing system send shared application to secondary flow gateway;
S802, secondary flow gateway forwards are to shared application software conference system;
It should be noted that secondary flow gateway in the shared application of forwarding, can carry out Signalling conversion to shared application, to enable it Meet the signaling request of software conference system.
S803, software conference system discharge Share Permissions.
Based on above-mentioned interaction flow, from the point of view of secondary flow gateway angle, before receiving the secondary flow that hardware conferencing system is sent, Secondary flow gateway also executes the following steps:
Receive the shared application that hardware conferencing system is sent;
The shared application is transmitted to software conference system, so that software conference system carries out Share Permissions release.
And for software conference system angle, before receiving code stream, the process executed may also include that
Receive the shared application of secondary flow gateway forwards;
Carry out Share Permissions release.
In addition, software conference system also can return to release success response.The response can be via secondary flow gateway forwards to hardware Conference system.
And for hardware conferencing system perspective, it may also include that before sending secondary flow to secondary flow gateway to secondary flow net It closes and sends shared application, so that above-mentioned secondary flow gateway forwards give software conference system.
It is preceding to have addressed, no matter hardware conferencing terminal or software conference terminal initiate it is shared before, need first to become speaker People.Therefore, further, still decided whether to authorize Share Permissions by MCU, referring to Fig. 9 and 10, software conference system, secondary flow net It closes between hardware conferencing system and the interaction flow of internal system can be as follows:
S901, hardware conferencing terminal send speaker's request.
S902, MCU are sent in the artificial software conference terminal of current speaker to signaling control conversion module (secondary flow gateway) Speaker discharges request as shared application.
It should be noted that if currently artificially another hardware conferencing terminal, MCU directly carry out speaker's switching and are speaker Can, only when current speaker belongs to different system, speaker just is sent to secondary flow gateway and discharges request.
Speaker is discharged request and is transmitted to Conference server by S903, signaling control conversion module (secondary flow gateway).
S904, Conference server carry out speaker and discharge operation.
In other embodiments of the present invention, Conference server also can return to and discharge successfully after successfully dischargeing speaker Message (S905).The release success message can be sent to hardware conferencing terminal via secondary flow gateway forwards to MCU, then via MCU.? After receiving the message, hardware conferencing terminal is retransmited for shared secondary flow.
Alternatively, Conference server after successfully dischargeing speaker, can not also return to release success message.MCU is being waited After preset duration, notice hardware conferencing terminal is sent for shared secondary flow.
It should also be noted that, in abovementioned steps S201 " hardware conferencing system meets hard to the transmission of above-mentioned secondary flow gateway Part conference system requires, for shared secondary flow " in the present embodiment, it can refine and include:
S2011, receive secondary flow gateway (signaling control conversion module) forwarding release success message or MCU notice Afterwards, hardware conferencing terminal sends secondary flow to MCU as speaker;
S2012, MCU will receive secondary flow and be transmitted to secondary flow gateway (media stream transition module).
Based on above-mentioned interaction flow, from the point of view of Media Gateway (signaling control conversion module), performed by step it is as follows:
It receives speaker and discharges request (the corresponding shared application for receiving hardware conferencing system and sending);
Speaker is discharged into request and is transmitted to Conference server (corresponding that shared application is transmitted to software meeting system).
In addition, can also carry out following steps:
The release success message that Conference server returns is received, and is transmitted to Conference server.
And for Conference server angle, receive it is that above-mentioned secondary flow gateway is sent, meet this system and require, be used for Executable following steps before shared code stream:
The speaker for receiving secondary flow gateway (signaling control conversion module) forwarding, which discharges, to be requested, and (the corresponding secondary flow gateway that receives turns The shared application of hair);
It carries out speaker and discharges operation (corresponding to carry out Share Permissions release).
In addition, also can return to release success message.
And for MCU angle, following steps (corresponding to send shared application to secondary flow gateway) can be performed:
Receive speaker's request that hardware conferencing terminal is sent;
In the artificial software conference terminal of current speaker, speaker is sent to secondary flow gateway (signaling control conversion module) and is released It puts request and is used as above-mentioned shared application;Meeting is transmitted to so that speaker is discharged request by secondary flow gateway (signaling control conversion module) It discusses server and carries out speaker's release operation.
In addition, corresponding step S2011 and S2012, the process that MCU is executed can include:
The secondary flow that hardware conferencing terminal is sent as speaker is received, which is that hardware conferencing terminal is receiving MCU It is sent after the release success message or notice of transmission.
Secondary flow will be received and be transmitted to secondary flow gateway (media stream transition module).
It should be noted that hereinbefore record, it is noted that secondary flow gateway supports SIP/BFCP signaling and T.120 signaling Conversion, and the H.264 conversion of secondary flow code stream and T.120 data code flow.But the present invention is not limited merely to agreement above-mentioned.Example Such as, secondary flow gateway can support double-current agreement H.323/H.239, and secondary flow code stream is also possible to H.263 equal extended formattings.
In addition, the type of software conference terminal can also further expand, it such as may include web client (web client tool Have and exempt from installation, be not necessarily to the characteristics of account), intelligent telephone (intelligence based on Android, being built-in with T.120 data conferencing client Energy phone can be used as a kind of advanced UC terminal) etc..
It corresponds to the above method, the embodiment of the present invention is also intended to require to protect secondary flow gateway, Conference server and control respectively Device processed (as aforementioned MCU).
Referring to Figure 11, above-mentioned secondary flow gateway is at least can include:
Media stream transition module 2 is used for, receive software conference system transmitted stream, by it is receiving, come from software meeting The code stream of conference system is converted into meeting hardware conferencing system requirements, the secondary flow for sharing, the secondary flow being converted to is sent to Hardware conferencing system, and, receive hardware conferencing system send secondary flow, by it is receiving, from the auxiliary of hardware conferencing system Stream is converted into meeting the requirement of software conference system, the code stream for sharing, the code stream being converted to is sent to software meeting system System.
Referring to Figure 12, above-mentioned Conference server may include code stream transmission unit 3 and code stream receiving unit 4, in which:
Code stream transmission unit 3, for sending code stream to secondary flow gateway, so that code stream is converted into meeting hardware by secondary flow gateway Conference system requires, for shared secondary flow, and the secondary flow being converted to is sent to hardware conferencing system;
Code stream receiving unit 4, for receive the transmission of secondary flow gateway, meet this system and require, for shared code stream;It is auxiliary Drift net closes transmitted stream, is that secondary flow gateway receives the secondary flow that lower hardware conferencing system is sent and is converted to it.
As for controller, referring to Figure 13, at least can include:
Secondary flow transmission unit 5, for sending secondary flow to secondary flow gateway, so that secondary flow is converted into meeting software by secondary flow gateway Conference system requires, for shared code stream, and the code stream being converted to is sent to software conference system;
Secondary flow receiving unit 6, for receive the transmission of secondary flow gateway, meet this system and require, for shared secondary flow;It is auxiliary Drift net closes the secondary flow sent, is that secondary flow gateway receives lower software conference system transmitted stream and is converted to it.
Secondary flow gateway, Conference server and controller shown in above-mentioned Figure 11-13, it is at least achievable aforementioned shown in FIG. 1 Interaction flow.To under the premise of not changing software conference system and itself sharing mode of hardware conferencing system, realize across The data sharing of system.Detail can be found in record described previously herein, and therefore not to repeat here.
In other embodiments of the present invention, referring to Figure 14, the secondary flow gateway in above-mentioned all examples may also include that signaling control Conversion module 1 processed at least can be used for receiving the shared application from software conference system and be transmitted to hardware conferencing system, with And after the Share Permissions for receiving the return of hardware conferencing system, Share Permissions are transmitted to software conference system.
In other embodiments of the present invention, referring to Figure 15, above-mentioned Conference server may also include shared application transmission unit 7, for shared application being sent to secondary flow gateway, so as to secondary flow net before code stream transmission unit 3 sends code stream to secondary flow gateway Pass is transmitted to hardware conferencing system.
And referring to Figure 16, above controller then may also include that sharing request receiving unit 8 and Share Permissions return unit 9. Wherein, sharing request receiving unit 8 is used to receive the shared application of secondary flow gateway forwards;Share Permissions return unit 9, for Secondary flow gateway returns to Share Permissions.
Secondary flow gateway, Conference server and controller shown in above-mentioned Figure 14-16 remove achievable aforementioned friendship shown in FIG. 1 Mutual process.Also data sharing can be initiated in software conference system, also, hardware conferencing terminal possesses under the situations of Share Permissions, Realize interaction flow shown in fig. 5.Detail can be found in record described previously herein, and therefore not to repeat here.
In other embodiments of the present invention, code stream direction is being sent to secondary flow gateway, the code stream in above-mentioned Conference server Transmission unit 3 is particularly used in, and after the Share Permissions for receiving secondary flow gateway forwards, sends code stream to secondary flow gateway.
And shared application direction is being sent to secondary flow gateway, the shared application transmission unit 7 in Conference server specifically may be used For:
Receive speaker's request that software conference terminal is sent;
In the artificial hardware conferencing terminal of current speaker, shared application is sent to secondary flow gateway, so as to secondary flow gateway forwards To MCU, MCU returns to Share Permissions when judgement can authorize Share Permissions, to secondary flow gateway.
In the present embodiment, further, each equipment cooperates, and can at least realize Fig. 6 and shown in Fig. 7, software meeting Between conference system, secondary flow gateway and hardware conferencing system and the interaction flow of internal system.
In addition, above controller may also include releasing unit, for after the shared application for receiving secondary flow gateway forwards, into Row Share Permissions release operation (more specifically discharging operation for speaker).In this way, being returned in Share Permissions return unit 9 shared Before or while permission, releasing unit can carry out Share Permissions release operation.
In other embodiments of the present invention, the signaling control conversion module in above-mentioned all embodiments can also be used in, and receive Shared application from MCU is simultaneously transmitted to Conference server.
Correspondingly, above controller may also include that shared application transmission unit, in secondary flow transmission unit 5 to secondary flow Before gateway sends secondary flow, shared application is sent to secondary flow gateway, so that secondary flow gateway forwards give software conference system.
And the Conference server in above-mentioned all embodiments also may also include sharing request receiving unit and releasing unit, In, sharing request receiving unit is used for before code stream receiving unit is received for shared code stream, receives secondary flow gateway forwards Shared application (speaker discharge request);And releasing unit, it (is more specifically speaker for carrying out Share Permissions release operation People discharges operation).
It corresponds, in terms of secondary flow gateway sends shared application, controller is shared in above-mentioned all embodiments Application transmission unit can be specifically used for:
Receive speaker's request that hardware conferencing terminal is sent;
In the artificial software conference terminal of current speaker, speaker is sent to secondary flow gateway and discharges request as shared Shen Please;Conference server progress speaker's release operation is transmitted to so that speaker is discharged request by secondary flow gateway.
In the present embodiment, secondary flow gateway, Conference server and controller, except friendship shown in achievable earlier figures 1,5-7 Outside mutual process, also data sharing can be initiated in hardware conferencing terminal, also, software conference terminal possesses the situation of Share Permissions Under, interaction flow shown at least realization Fig. 8-10.Detail can be found in record described previously herein, and therefore not to repeat here.
In other embodiments of the present invention, the signaling control conversion module in above-mentioned all embodiments can also be used in, and receive Path Setup request from Conference server, sends resource allocation message and gives media stream transition module, so as to media stream transition Module carries out resource distribution and returning response according to resource allocation message, after receiving the response of media stream transition module, initiates With the signaling negotiation of MCU, and, MCU response after, instruction media stream transition module establish secondary flow channel and code stream channel.
Correspondingly, the Conference server in above-mentioned all embodiments may also include Path Setup request transmission unit, it is used for It establishes and requests to secondary flow gateway sendaisle, so that secondary flow gateway carries out resource allocation, initiate the signaling with hardware conferencing system Negotiate, and after the response of hardware conferencing system, secondary flow gateway establishes secondary flow channel and code stream channel.
Further, in the Path Setup request in terms of secondary flow gateway sendaisle establishes request, in Conference server Transmission unit is particularly used in, and receives the meeting that software conference terminal is sent and request is added, establish to secondary flow gateway sendaisle Request.
It corresponds, above controller may also include signaling negotiation unit and response unit, wherein signaling negotiation list Member, (above-mentioned signaling negotiation is that secondary flow gateway is initiated after carrying out resource allocation to the signaling negotiation for receiving the initiation of secondary flow gateway , above-mentioned resource allocation is carried out after receiving Path Setup request, and above-mentioned Path Setup request is by software conference system It initiates);Response unit is used for, to secondary flow gateway returning response, so that secondary flow gateway establishes secondary flow channel and code stream channel.
In the present embodiment, secondary flow gateway, Conference server and controller, except friendship shown in achievable earlier figures 1,5-10 Outside mutual process, interaction flow shown in Fig. 2-4 can also be achieved.Detail can be found in record described previously herein, and therefore not to repeat here. More specifically, referring to Figure 17, above-mentioned media stream transition module may include software conference client component, hardware conferencing groups of clients Part and conversion module.Wherein:
It is related to agreement used by software conference system (mainly T.120) that software conference client component is responsible for processing Encoding and decoding, hardware conferencing client component be responsible for processing with the protocol-dependent encoding and decoding of secondary flow, and conversion module implement media The conversion of format.
It should be noted that secondary flow gateway can be independent hardware device.It can also be software program, as a logic mould Block is built in MCU UC conference system.
And the control conversion module of signaling included by secondary flow gateway and media stream transition module are also such: signaling control conversion Module and media stream transition module can be two independent hardware devices.Alternatively, the two modules can also be two logical blocks, and And it is partable in deployment, it can be deployed on a server, can also be deployed on two-server.
Figure 18 gives a kind of hardware configuration of above-mentioned secondary flow gateway 180, may include CPU181, memory 182 and receipts Send out device 184.Wherein, transceiver 184 can be used for all data of sending and receiving and signaling, and CPU181 is stored in memory 182 by operation Interior software program 183 calls the data being stored in memory 182, and calls transceiver 184, at least executable as follows Step:
Code stream that (transceiver 184) is received, from software conference system is converted into meeting hardware conferencing system and want It asks, for shared secondary flow, the secondary flow being converted to is sent to above-mentioned hardware conferencing system by (instruction transceiver 184);
Secondary flow that (transceiver 184) is received, from hardware conferencing system is converted into meeting software conference system and want It asks, for shared code stream, the code stream being converted to is sent to above-mentioned software conference system by (instruction transceiver 184).
In addition, executable other of the above-mentioned secondary flow gateway 180 secondary flow gateway that also achievable context of methods part is introduced The refinement of step and each step, therefore not to repeat here.
Figure 19 gives a kind of hardware configuration of above-mentioned Conference server 190, may include CPU191,192 and of memory Transceiver 194.Wherein, transceiver 194 can be used for all data of sending and receiving and signaling, and CPU191 is stored in memory by operation Software program 193 in 192 calls the data being stored in memory 192 and calls transceiver 194, at least executable as follows Step:
(instruction transceiver 194) sends code stream to above-mentioned secondary flow gateway, so that above-mentioned secondary flow gateway converts above-mentioned code stream At meet hardware conferencing system requirements, for shared secondary flow, and the secondary flow being converted to is sent to above-mentioned hardware conferencing system System;
(instruction transceiver 194) receive it is that above-mentioned secondary flow gateway is sent, meet this system and require, for shared code stream; Above-mentioned secondary flow gateway transmitted stream is that above-mentioned secondary flow gateway receives the secondary flow that lower hardware conferencing system is sent and turns to it It gets in return.
In addition, Conference server (the software meeting that also achievable context of methods part is introduced of above-mentioned Conference server 190 System) executable other steps and each step refinement, therefore not to repeat here.
It should be noted that above-mentioned Conference server can be independent hardware device.It can also be software program, be deployed in certain On one server or computer.
Figure 20 gives another structure of above controller 200, may include CPU201, memory 202 and transceiver 204.Wherein, transceiver 204 can be used for all data of sending and receiving and signaling, and CPU201 is stored in memory 202 by operation Software program 203 calls the data being stored in memory 202 and calls transceiver 204, at least executable following steps:
(instruction transceiver 204) sends secondary flow to secondary flow gateway, so that above-mentioned secondary flow is converted into according with by above-mentioned secondary flow gateway It closes software conference system to require, for shared code stream, and the code stream being converted to is sent to above-mentioned software conference system;
(instruction transceiver 204) receive it is that secondary flow gateway is sent, meet this system and require, for shared secondary flow;It is above-mentioned The secondary flow that secondary flow gateway is sent above-mentioned software conference system transmitted stream and is turned to it under above-mentioned secondary flow gateway receives It gets in return.
In addition, the MCU(hardware conferencing system that also achievable context of methods part is introduced of above controller 200) it is executable Other steps and each step refinement, therefore not to repeat here.
It should be noted that above controller can be independent hardware device.It can also be software program, be deployed in a certain clothes It is engaged on device or computer.
In the present invention, above-mentioned memory concretely DDR SDRAM, SRAM, FLASH, SSD, RAM, ROM etc., master It to include program storage area and data storage area, wherein program storage area can storage program area and at least one function institute The application program etc. needed;Data storage area can store the executive condition according to CPU and the data that finally generate, hold as CPU Intermediate data caused by row above-mentioned steps, then be stored in memory.It should be noted that in the present invention, CPU and memory It can be integrated in same chip, two devices can also be independent.
Each embodiment in this specification is described in a progressive manner, the highlights of each of the examples are with other The difference of embodiment, the same or similar parts in each embodiment may refer to each other.
The step of method described in conjunction with the examples disclosed in this document or algorithm, can directly be held with hardware, processor The combination of capable software module or the two is implemented.Software module can be placed in random access memory (RAM), memory, read-only deposit Reservoir (ROM), electrically programmable ROM, electrically erasable ROM, register, hard disk, moveable magnetic disc, CD-ROM or technology In any other form of storage medium well known in field.
The foregoing description of the disclosed embodiments enables those skilled in the art to implement or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, as defined herein General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, of the invention It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one The widest scope of cause.

Claims (26)

1. a kind of cross-system data sharing method, which is characterized in that be based on secondary flow gateway, comprising:
The secondary flow gateway receives software conference system transmitted stream;
The secondary flow gateway by it is receiving, come from software conference system code stream, be converted into meeting hardware conferencing system requirements, use In shared secondary flow, the secondary flow being converted to is sent to the hardware conferencing system;
The secondary flow gateway receives the secondary flow that hardware conferencing system is sent;
The secondary flow gateway by secondary flow receiving, from hardware conferencing system, be converted into meeting the requirement of software conference system, For shared code stream, the code stream being converted to is sent to the software conference system.
2. the method as described in claim 1, which is characterized in that receive the code that software conference system is sent in the secondary flow gateway Before stream, further includes:
Secondary flow gateway receives the shared application from software conference system and is transmitted to hardware conferencing system;
The Share Permissions are transmitted to the software after the Share Permissions for receiving the return of hardware conferencing system by secondary flow gateway Conference system.
3. the method as described in claim 1, which is characterized in that receive the auxiliary of hardware conferencing system transmission in the secondary flow gateway Before stream, further includes:
Secondary flow gateway receives the shared application from hardware conferencing system and is transmitted to software conference system, so as to the software meeting Conference system carries out Share Permissions release.
4. method as claimed in claim 2 or claim 3, which is characterized in that described to be converted into meeting the requirement of software conference system, be used for Shared code stream includes:
It is converted into meeting the requirement of software conference system, the road the N code stream for sharing, the two-way code stream in the code stream of the road N Picture quality is not identical, and the N is natural number.
5. method as claimed in claim 4, which is characterized in that further include:
Secondary flow gateway receives the Path Setup request from software conference system;
Secondary flow gateway carries out resource allocation;
Secondary flow gateway initiates the signaling negotiation with the hardware conferencing system;
After hardware conferencing system response, secondary flow gateway establishes the secondary flow channel and code stream channel.
6. method as claimed in claim 5, which is characterized in that
The software conference system includes at least software conference terminal and Conference server;
The hardware conferencing system includes at least hardware conferencing terminal and multiple spot switching plane MCU;
The secondary flow gateway includes at least signaling control conversion module and media stream transition module.
7. method as claimed in claim 6, it is characterised in that:
The media stream transition module receives the code stream from the Conference server by established code stream channel, alternatively, Code stream is sent to the Conference server by the established code stream channel;
The media stream transition module receives the secondary flow from the MCU, alternatively, passing through institute by established secondary flow channel It states established secondary flow channel and sends secondary flow to the MCU.
8. the method for claim 7, which is characterized in that
The secondary flow gateway receives the Path Setup request from software conference system
The signaling control conversion module receives the Path Setup request from the Conference server;
The secondary flow gateway carries out resource allocation
The signaling control conversion module sends resource allocation message and gives media stream transition module;
The media stream transition module carries out resource allocation, and returning response according to the resource allocation message;
The secondary flow gateway is initiated
After the signaling control conversion module receives the response, the signaling negotiation with the MCU is initiated;
It is described the hardware conferencing system response after, secondary flow gateway establishes the secondary flow channel and code stream channel includes:
After MCU response, it is logical that the signaling control conversion module indicates that the media stream transition module establishes the secondary flow Road;
The signaling control conversion module indicates that the media stream transition module establishes code stream channel.
9. such as the described in any item methods of claim 6-8, which is characterized in that the road N code stream is according to software conference terminal Type determine, so that the Conference server selects code stream to be sent to the soft of respective type from the road the N code stream received Part conference terminal.
10. a kind of cross-system data sharing method, which is characterized in that be based on secondary flow gateway, which comprises
It receives the meeting that software conference terminal is sent and request is added;
It establishes and requests to the secondary flow gateway sendaisle, so that the secondary flow gateway carries out resource allocation, initiate and hardware meeting The signaling negotiation of conference system, and after hardware conferencing system response, establish secondary flow channel and code stream channel;
Code stream is sent to the secondary flow gateway, is wanted so that the secondary flow gateway is converted into the code stream to meet hardware conferencing system It asks, for shared secondary flow, and the secondary flow being converted to is sent to the hardware conferencing system;
Receive it is that the secondary flow gateway is sent, meet the requirement of software conference system, for shared code stream;The secondary flow gateway hair The code stream sent is that the secondary flow gateway receives the secondary flow that lower hardware conferencing system is sent and is converted to it.
11. method as claimed in claim 10, which is characterized in that
Before sending code stream to the secondary flow gateway, further includes: shared application is sent to secondary flow gateway, so as to the secondary flow net Pass is transmitted to hardware conferencing system.
12. method as claimed in claim 10, which is characterized in that receive it is that the secondary flow gateway is sent, meet software meeting Conference system requires, before the code stream for sharing, further includes:
Receive the shared application of the secondary flow gateway forwards;
Carry out Share Permissions release.
13. method as claimed in claim 11, which is characterized in that described to include: to the shared application of secondary flow gateway transmission
Receive speaker's request that software conference terminal is sent;
In the artificial hardware conferencing terminal of current speaker, the shared application is sent to the secondary flow gateway, so as to the secondary flow Gateway forwards are returned when judgement can authorize Share Permissions to the secondary flow gateway to the MCU in hardware conferencing system, the MCU Return Share Permissions.
14. method as claimed in claim 12, which is characterized in that the shared application packet for receiving the secondary flow gateway forwards It includes:
The speaker as shared application for receiving secondary flow gateway forwards discharges request;
The progress Share Permissions release includes: to carry out speaker to discharge operation.
15. a kind of cross-system data sharing method, which is characterized in that be based on secondary flow gateway, which comprises
Receive the signaling negotiation that the secondary flow gateway is initiated;The signaling negotiation is the secondary flow gateway after carrying out resource allocation It initiates, the resource allocation is carried out after receiving Path Setup request, and the Path Setup request is by software meeting System is initiated;
To the secondary flow gateway returning response, so that the secondary flow gateway establishes secondary flow channel and code stream channel;
Secondary flow is sent to the secondary flow gateway, is wanted so that the secondary flow gateway is converted into the secondary flow to meet software conference system It asks, for shared code stream, and the code stream being converted to is sent to the software conference system;
Receive it is that the secondary flow gateway is sent, meet hardware conferencing system requirements, for shared secondary flow;The secondary flow gateway hair The secondary flow sent the software conference system transmitted stream and is converted to it under the secondary flow gateway receives.
16. method as claimed in claim 15, which is characterized in that further include: receive it is that the secondary flow gateway is sent, meet Before hardware conferencing system requirements, the secondary flow for sharing, further includes: receive the shared application of secondary flow gateway forwards;To described Secondary flow gateway returns to Share Permissions.
17. method as claimed in claim 15, which is characterized in that before sending secondary flow to the secondary flow gateway, further includes: Shared application is sent to secondary flow gateway, so that the secondary flow gateway forwards carry out Share Permissions release to software conference system.
18. the method described in claim 16, which is characterized in that before the return Share Permissions further include: receiving After the shared application of secondary flow gateway forwards, carries out speaker and discharge operation.
19. method as claimed in claim 17, it is characterised in that: described to include: to the shared application of secondary flow gateway transmission
Receive speaker's request that hardware conferencing terminal is sent;
In the artificial software conference terminal of current speaker, speaker is sent to the secondary flow gateway and discharges request as described shared Application;The Conference server progress speaker release behaviour is transmitted to so that the speaker is discharged request by the secondary flow gateway Make.
20. a kind of secondary flow gateway, which is characterized in that include at least:
Media stream transition module is used for, receive software conference system transmitted stream, by it is receiving, come from software conference system Code stream, be converted into meeting hardware conferencing system requirements, for shared secondary flow, the secondary flow being converted to be sent to described hard Part conference system, and, the secondary flow that hardware conferencing system is sent is received, by secondary flow receiving, from hardware conferencing system, It is converted into meeting the requirement of software conference system, the code stream for sharing, the code stream being converted to is sent to the software meeting System.
21. secondary flow gateway as claimed in claim 20, it is characterised in that: further include: signaling controls conversion module, at least uses In, it receives the shared application from software conference system and is transmitted to hardware conferencing system, and, receiving hardware conferencing system It unites after the Share Permissions returned, the Share Permissions is transmitted to the software conference system.
22. secondary flow gateway as claimed in claim 21, which is characterized in that the signaling control conversion module is also used to, and is received Shared application from hardware conferencing system is simultaneously transmitted to software conference system, so that the software conference system carries out shared power Limit release.
23. secondary flow gateway as claimed in claim 22, which is characterized in that the signaling control conversion module is also used to, and is received Shared application from MCU is simultaneously transmitted to the Conference server.
24. secondary flow gateway as claimed in claim 23, which is characterized in that
The signaling control conversion module is also used to, and is received the Path Setup request from Conference server, is sent resource allocation Message gives media stream transition module, so that media stream transition module carries out resource distribution according to the resource allocation message and returns Response initiates the signaling negotiation with multiple spot switching plane MCU after receiving the media stream transition module response, and, After the MCU response, indicate that the media stream transition module establishes the secondary flow channel and code stream channel.
25. a kind of Conference server characterized by comprising
Path Setup requests transmission unit, requests for establishing to secondary flow gateway sendaisle, so as to secondary flow gateway progress Resource allocation initiates the signaling negotiation with hardware conferencing system, and after hardware conferencing system response, the secondary flow gateway Establish the secondary flow channel and code stream channel;
Code stream transmission unit, for sending code stream to the secondary flow gateway, so that the code stream is converted by the secondary flow gateway Meet hardware conferencing system requirements, for shared secondary flow, and the secondary flow being converted to is sent to the hardware conferencing system;
Code stream receiving unit, for receive it is that the secondary flow gateway is sent, meet the requirement of software conference system, for shared code Stream;The secondary flow gateway transmitted stream, be the secondary flow gateway receive the secondary flow that lower hardware conferencing system is sent and to its into What row was converted to.
26. a kind of controller characterized by comprising
Secondary flow transmission unit, for sending secondary flow to secondary flow gateway, so that the secondary flow is converted into meeting by the secondary flow gateway Software conference system requires, for shared code stream, and the code stream being converted to is sent to the software conference system;
Secondary flow receiving unit, for receive it is that the secondary flow gateway is sent, meet hardware conferencing system requirements, for shared auxiliary Stream;The secondary flow that the secondary flow gateway is sent is the software conference system transmitted stream and right under the secondary flow gateway receives What it was converted to;
Signaling negotiation unit, the signaling negotiation initiated for receiving the secondary flow gateway;The signaling negotiation is the secondary flow net What pass was initiated after carrying out resource allocation, the resource allocation is carried out after receiving Path Setup request, the channel Request is established to be initiated by the software conference system;
Response unit, for the secondary flow gateway returning response, so that the secondary flow gateway establishes secondary flow channel and code stream is logical Road.
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