CN106301812B - Multimedia conference realization method, apparatus and system - Google Patents

Multimedia conference realization method, apparatus and system Download PDF

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Publication number
CN106301812B
CN106301812B CN201510260649.1A CN201510260649A CN106301812B CN 106301812 B CN106301812 B CN 106301812B CN 201510260649 A CN201510260649 A CN 201510260649A CN 106301812 B CN106301812 B CN 106301812B
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conference terminal
media stream
gateway
conference
multimedia conferencing
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CN106301812A (en
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杨海东
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Huawei Technologies Co Ltd
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Huawei Technologies Co Ltd
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Abstract

The embodiment of the invention discloses a kind of multimedia conference realization method, apparatus and system, the upstream media stream that conference terminal is sent is carried out audio mixing and obtains downlink media stream by multimedia conferencing services device.Downlink media stream is first sent to gateway, then distributes downlink media stream from gateway to the conference terminal of the gateway association.In this way, multimedia conferencing services are not needed to think highly of again to each conference terminal transmission downlink media stream, only downlink media stream need to be sent to gateway involved in multimedia conferencing, thus greatly reduce the utilization of the bandwidth resources of multimedia conferencing services device, so that phenomena such as delay for effectively avoiding multimedia conferencing from occurring, packet loss, shake, improve the communication quality of multimedia conferencing.

Description

Multimedia conference realization method, apparatus and system
Technical field
The present invention relates to multimedia conferencing technical field, more particularly to a kind of multimedia conference realization method, device and System.
Background technique
Multimedia conferencing technology can allow the user for being in strange land to realize " in real time, visual, friendship by certain transmission medium Multi-media communication technology mutually ".Multimedia conferencing can be a variety of by static state/dynamic image of personage, voice, text, picture etc. Information is distributed on the terminal device of each user, so that the user geographically dispersed passes through the various ways such as figure, sound Exchange of information.
Traditional multimedia conferencing is usually made of multimedia conferencing services device and multiple terminals, each terminal and multimedia Media Stream is transmitted between Conference server, to realize user strange land while have a meeting.Wherein, terminal is to multimedia conferencing services device The Media Stream of transmission, referred to as upstream media stream；Multimedia conferencing services device mixes each upstream media stream received Sound obtains downlink media stream, and then downlink media stream is sent in multimedia conferencing by multimedia conferencing services device one by one again Each terminal.
The downlink media stream that multimedia conferencing services device is sent to each terminal is all identical, repetition occupancy multimedia meeting The bandwidth resources for discussing server, due to the limited bandwidth resources of multimedia conferencing services device, downlink media stream appearance is caused to postpone, Phenomena such as packet loss, shake, and then the communication quality of multimedia conferencing is caused to decline.
Summary of the invention
A kind of multimedia conference realization method, apparatus and system are provided in the embodiment of the present invention, to solve the prior art In downlink media stream occur delay, packet loss, shake the problems such as.
In order to solve the above-mentioned technical problem, the embodiment of the invention discloses following technical solutions:
In a first aspect, the present invention provides a kind of multimedia conference realization method, comprising:
Multimedia conferencing services device obtains the information for participating in the associated gateway of each conference terminal of meeting；
The upstream media stream that the conference terminal is sent carries out audio mixing, obtains downlink media stream；
The downlink media stream is sent respectively to the associated gateway of each conference terminal by multimedia conferencing services device, So that the downlink media stream is distributed to the gateway association, participation meeting conference terminal by the gateway.
With reference to first aspect, in the first possible implementation of the first aspect, the multimedia conferencing services device Obtain the associated gateway of each conference terminal for participating in meeting, comprising:
The information of the conference terminal is obtained, the information of the conference terminal includes the medium access control of the conference terminal User account number associated by MAC Address processed, internet protocol address, telephone number and conference terminal associated by conference terminal In any one；
According to the information of the conference terminal, the corresponding relationship between pre-recorded conference terminal and gateway is inquired, is obtained To the associated gateway of the conference terminal.
With reference to first aspect, in the second possible implementation of the first aspect, described to send out the conference terminal The upstream media stream sent carries out audio mixing, obtains downlink media stream, comprising:
The upstream media stream that multimedia conferencing services device uploads the conference terminal received carries out audio mixing, obtains down Row Media Stream；
Alternatively,
Upstream media stream after the audio mixing that multimedia conferencing services device sends the gateway received carries out audio mixing, obtains down Row Media Stream, the upstream media stream that upstream media stream after the audio mixing is uploaded the conference terminal received by the gateway into Row audio mixing obtains.
With reference to first aspect, second of possible implementation of the first or first aspect of first aspect, first In the third possible implementation of aspect, further includes:
After multimedia conferencing services device receives the conference creation request of the first conference terminal transmission, search and described the The gateway of one meeting terminal association；
After multimedia conferencing services device determines that first conference terminal has conference creation permission, first meeting is indicated The gateway of view terminal association receives downlink media stream and the downlink media stream is distributed to first conference terminal.
With reference to first aspect, second of possible implementation of the first or first aspect of first aspect, first In 4th kind of possible implementation of aspect, further includes:
After multimedia conferencing services device, which detects, meets the second conference terminal that meeting condition is added, described second is searched The associated gateway of conference terminal；
Whether multimedia conferencing services device judges the information of the associated gateway of the second conference terminal in downlink media stream In list, the downlink media stream list is used to record the information for the gateway for receiving downlink media stream；
If the information of the associated gateway of the second conference terminal is not in the downlink media stream list, more matchmakers Body Conference server indicates that the associated gateway of second conference terminal receives downlink media stream, and indicates that second meeting is whole Associated gateway is held to distribute the downlink media stream to second conference terminal.
With reference to first aspect, second of possible implementation of the first or first aspect of first aspect, first In 5th kind of possible implementation of aspect, further includes:
After detecting that third conference terminal leaves multimedia conferencing, multimedia conferencing services device searches the third meeting The gateway of terminal association；
Multimedia conferencing services device indicates that the associated gateway of third conference terminal stops to the third conference terminal Distribute downlink media stream.
Second aspect, the present invention provide a kind of multimedia conference realization method, comprising:
Gateway receives the downlink media stream that multimedia conferencing services device is sent, and the downlink media stream is that the meeting is whole The upstream media stream that end is sent carries out audio mixing and obtains；
Gateway is indicated according to the downstream media stream distribution of the multimedia conferencing services device, by the downstream media stream distribution To the gateway association, participation meeting conference terminal, the gateway association, participation meeting conference terminal is by described more The corresponding relationship that media conference server obtains between each conference terminal and gateway of participating in meeting obtains.
The third aspect, the present invention provide a kind of multimedia conferencing realization device, comprising:
First obtains module, for obtaining the information for participating in the associated gateway of each conference terminal of meeting；
Mix module, the upstream media stream for sending the conference terminal carry out audio mixing, obtain downlink media stream；
Sending module, for the downlink media stream to be sent respectively to the associated gateway of each conference terminal, with Make the gateway that the downlink media stream is distributed to the gateway association, participation meeting conference terminal.
In conjunction with the third aspect, in the first possible implementation of the third aspect, the acquisition module, comprising:
First acquisition submodule, for obtaining the information of the conference terminal, the information of the conference terminal includes described The medium access control MAC Address of conference terminal, internet protocol address, telephone number and meeting associated by conference terminal Any one in user account number associated by terminal；
First inquiry submodule inquires pre-recorded conference terminal and net for the information according to the conference terminal Corresponding relationship between pass obtains the associated gateway of the conference terminal.
In conjunction with the third aspect, in the second possible implementation of the third aspect, the mix module, comprising:
First audio mixing submodule, the upstream media stream for uploading the conference terminal received carry out audio mixing, obtain To downlink media stream；
Alternatively,
Second audio mixing submodule, the upstream media stream after the audio mixing for sending the gateway received carry out audio mixing, obtain To downlink media stream, uplink media that the upstream media stream after the audio mixing is uploaded the conference terminal received by the gateway Stream carries out audio mixing and obtains.
In conjunction with the first or second of possible implementation of the third aspect, the third aspect, in the third of the third aspect In the possible implementation of kind, further includes:
First searching module, for when receive the first conference terminal transmission conference creation request after, search with it is described The associated gateway of first conference terminal；
First indicating module, for indicating described the after determining that first conference terminal has conference creation permission The gateway of one meeting terminal association receives downlink media stream and the downlink media stream is distributed to first conference terminal.
In conjunction with the first or second of possible implementation of the third aspect, the third aspect, the 4th of the third aspect the In the possible implementation of kind, further includes:
Second searching module searches institute for first after detecting the second conference terminal for meeting addition meeting condition State the associated gateway of the second conference terminal；
First judgment module, for judging the information of the associated gateway of the second conference terminal whether in downlink media stream In list, the downlink media stream list is used to record the information for the gateway for receiving downlink media stream；
Second indicating module, for the information when the associated gateway of the second conference terminal not in the downlink media stream In list, the multimedia conferencing services device indicates that the associated gateway of second conference terminal receives downlink media stream, and refers to Show that the associated gateway of the second conference terminal distributes the downlink media stream to second conference terminal.
In conjunction with the first or second of possible implementation of the third aspect, the third aspect, the 5th of the third aspect the In the possible implementation of kind, further includes:
Third searching module, for after detecting that third conference terminal leaves multimedia conferencing, multimedia conferencing services Device searches the associated gateway of third conference terminal；
Third indicating module is used to indicate the associated gateway of third conference terminal and stops to the third conference terminal Distribute downlink media stream.
Fourth aspect, the present invention also provides a kind of multimedia conferencing realization devices, comprising:
First receiving module, for receiving the downlink media stream of multimedia conferencing services device transmission, the downlink media stream It is that the upstream media stream that the conference terminal is sent is carried out audio mixing to obtain；
Sending module, for being indicated according to the downstream media stream distribution of the multimedia conferencing services device, by the downlink Media Stream is distributed to the gateway association, participation meeting conference terminal, the gateway association, participation meeting meeting end End obtains the corresponding relationship between each conference terminal and gateway of participating in meeting by the multimedia conferencing services device and obtains.
5th aspect, the present invention also provides a kind of multimedia conference systems, comprising: multimedia conferencing services device, at least one A gateway and at least two conference terminals；
The conference terminal, for gateway associated by the conference terminal, alternatively, to the multimedia conferencing services Device sends upstream media stream；
The multimedia conferencing services device, for obtaining the letter for participating in gateway associated by each conference terminal of meeting Breath, and the upstream media stream received progress audio mixing is obtained into downlink media stream, the downlink media stream is distributed to institute respectively State the associated gateway of each conference terminal；
The gateway, the downlink media stream for issuing the multimedia conferencing services device received are distributed to described Associated by gateway, participate in meeting conference terminal.
In conjunction with the 5th aspect, in the first possible implementation of the 5th aspect, the multimedia conferencing services device It is specifically used for when for the upstream media stream received progress audio mixing to be obtained downlink media stream:
The upstream media stream that the conference terminal received is sent is subjected to audio mixing and obtains downlink media stream；
Alternatively,
Upstream media stream after the audio mixing of the gateway received transmission is subjected to audio mixing and obtains downlink media stream, the audio mixing The upstream media stream that the conference terminal received uploads is carried out audio mixing by the gateway and obtained by upstream media stream afterwards.
In conjunction with the 5th aspect, in second of possible implementation of the 5th aspect, the gateway is specifically used for parsing The downstream media stream distribution that the multimedia conferencing services device issues indicates to obtain the distribution destination address of downlink media stream, to institute It states the corresponding conference terminal of distribution destination address and sends the downlink media stream.
By above technical scheme as it can be seen that multimedia conference realization method provided in this embodiment, multimedia conferencing services device The upstream media stream that conference terminal is sent is subjected to audio mixing and obtains downlink media stream.Downlink media stream is first sent to gateway, then by Gateway distributes downlink media stream to the conference terminal of the gateway association.This way it is not necessary to which multimedia conferencing services are thought highly of again to every A conference terminal sends downlink media stream, only downlink media stream need to be sent to gateway involved in multimedia conferencing, thus greatly The utilization of the bandwidth resources of multimedia conferencing services device is reduced greatly, to effectively avoid the delay of multimedia conferencing appearance, lose Phenomena such as packet, shake, improve the communication quality of multimedia conferencing.In addition, this method is not necessarily to dispose IMS conference medium money on gateway Source, to reduce system cost.
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, for those of ordinary skill in the art Speech, without any creative labor, is also possible to obtain other drawings based on these drawings.
Fig. 1 is a kind of process of the multimedia conference realization method applied to multimedia conferencing services device of the embodiment of the present invention Schematic diagram；
Fig. 2 is the stream for the multimedia conference realization method that another kind of the embodiment of the present invention is applied to multimedia conferencing services device Journey schematic diagram；
Fig. 3 is the stream for the multimedia conference realization method that another kind of the embodiment of the present invention is applied to multimedia conferencing services device Journey schematic diagram；
Fig. 4 is the stream for the multimedia conference realization method that another kind of the embodiment of the present invention is applied to multimedia conferencing services device Journey schematic diagram；
Fig. 5 is a kind of flow diagram of the multimedia conference realization method applied to gateway of the embodiment of the present invention；
Fig. 6 is the flow diagram for the multimedia conference realization method that another kind of the embodiment of the present invention is applied to gateway；
Fig. 7 is a kind of flow diagram of multimedia conference realization method of the embodiment of the present invention；
Fig. 8 is the flow diagram that another kind of embodiment of the present invention conference terminal is opened an account；
Fig. 9 is the flow diagram that another kind of embodiment of the present invention conference terminal is opened an account；
Figure 10 is another kind of embodiment of the present invention multimedia conference realization method flow diagram；
Figure 11 is the flow diagram of another kind of embodiment of the present invention multimedia conference realization method；
Figure 12 is the implementation method flow diagram that a kind of conference terminal of the embodiment of the present invention leaves multimedia conferencing；
Figure 13 is a kind of meeting adjourned processing method flow diagram of the embodiment of the present invention；
Figure 14 is a kind of knot of the multimedia conferencing realization device applied to multimedia conferencing services device of the embodiment of the present invention Structure schematic diagram；
Figure 15 is the multimedia conferencing realization device that another kind of the embodiment of the present invention is applied to multimedia conferencing services device Structural schematic diagram；
Figure 16 is the multimedia conferencing realization device that another kind of the embodiment of the present invention is applied to multimedia conferencing services device Structural schematic diagram；
Figure 17 is the multimedia conferencing realization device that another kind of the embodiment of the present invention is applied to multimedia conferencing services device Structural schematic diagram；
Figure 18 is the structural schematic diagram of another kind of embodiment of the present invention multimedia conferencing services device；
Figure 19 is a kind of structural schematic diagram of the multimedia conferencing realization device applied to gateway of the embodiment of the present invention；
Figure 20 is the structural schematic diagram for the multimedia conferencing realization device that another kind of the embodiment of the present invention is applied to gateway；
Figure 21 is a kind of structural schematic diagram of gateway of the embodiment of the present invention；
Figure 22 is the structural schematic diagram of another kind of embodiment of the present invention gateway.
Specific embodiment
Multimedia conference realization method provided by the invention is applied in multimedia conference system, the multimedia conference system It include: multimedia conferencing services device, conference terminal, and the net being arranged between multimedia conferencing services device and conference terminal It closes.Upstream media stream is sent to multimedia conferencing services device, the uplink that multimedia conferencing services device will receive by conference terminal Media Stream carries out audio mixing and obtains downlink media stream, then, downlink media stream is sent to gateway, then by gateway by downlink media stream It is sent to corresponding conference terminal one by one, wherein the quantity of gateway can be one or more, and each gateway corresponds to multiple meetings Terminal.
Core of the invention thought above, in order to enable those skilled in the art to better understand the present invention in technology Scheme, following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clearly and completely Description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Based on this hair Embodiment in bright, every other implementation obtained by those of ordinary skill in the art without making creative efforts Example, should fall within the scope of the present invention.
It is a kind of flow diagram of multimedia conference realization method provided in an embodiment of the present invention, this method referring to Fig. 1 Applied in conference terminal, conference terminal may include phone, mobile phone, PC (Personal Computer, PC) machine Deng.As shown in Figure 1, method includes the following steps:
S100, multimedia conferencing services device obtain the information for participating in the associated gateway of each conference terminal of meeting.
Before multimedia conferencing starts, multimedia conferencing services device first has to each conference terminal that meeting is participated in inquiry Downlink media stream is sent to gateway so as to subsequent by the information of associated gateway.
When creating multimedia conference system, the corresponding relationship between conference terminal and gateway is preassigned by administrator, The information of the associated gateway of conference terminal is obtained according to the corresponding relationship.
When multimedia conference system construction, alternatively, needing when multimedia conference system increases new conference terminal for meeting View terminal is opened an account；Conference terminal open an account refer in systems increase a conference terminal telephone number while, check numbers and match Corresponding service authority is set, for example the telephone number of conference terminal is 28988888, which can hold a meeting, and can carry out The service authorities such as call forwarding.
In one embodiment of the invention, when opening an account for conference terminal, it is corresponding that administrator can specify conference terminal Telephone number or user account number and gateway between corresponding relationship, and the corresponding relationship is recorded by multimedia conferencing services device. When conference terminal is registered or meeting is added, firstly, obtaining the corresponding information of the conference terminal；Then, according to the meeting The information of terminal inquires the corresponding relationship between conference terminal and gateway, obtains the associated gateway of the conference terminal.
In another embodiment of the invention, when conference terminal is opened an account, administrator can also be by specified conference terminal Corresponding relationship of the MAC (Media Access Control, medium access control) between address or IP address and gateway, and by more Media conference server records the corresponding relationship.When conference terminal is registered or meeting is added, firstly, obtaining the conference terminal IP address (or MAC Address)；Then, the corresponding pass between the IP address section (or MAC Address) of conference terminal and gateway is inquired System, obtains the associated gateway of the conference terminal.
S200, the upstream media stream that the conference terminal is sent carry out audio mixing, obtain downlink media stream.
In one embodiment of the invention, the conference terminal that multimedia conferencing services device needs to notify to participate in meeting will be upper Row media stream gives multimedia conferencing services device, the uplink matchmaker that multimedia conferencing services device sends the conference terminal received Body stream carries out audio mixing and obtains downlink media stream.Upstream media stream can be transmitted directly to multimedia conferencing services by conference terminal Device；Upstream media stream can also be sent to associated gateway by conference terminal, then upstream media stream is transmitted to more matchmakers by gateway Body Conference server.Wherein, in multimedia conferencing, usual synchronization only has a few peoples to speak, other people listen；That is Synchronization, the upstream media stream that most of conference terminal is sent are mute Media Streams, and upstream media stream cooperates mute detection, Mute packet is sent when mute, mute packet bandwidth occupancy is seldom.
In another embodiment of the present invention, upstream media stream is sent to corresponding gateway by conference terminal, by gateway Audio mixing is carried out to the upstream media stream received, the upstream media stream after obtaining audio mixing；Gateway is by the upstream media stream after audio mixing Be sent to multimedia conferencing services device, the upstream media stream after the audio mixing for sent each gateway by multimedia conferencing services device into Row audio mixing, finally obtains downlink media stream.It is accounted for reduce transmission upstream media stream between gateway and multimedia conferencing services device Bandwidth resources further save the bandwidth resources between gateway and multimedia conferencing services device.
S300, it is associated that the downlink media stream is sent respectively to each conference terminal by multimedia conferencing services device Gateway, so that the downlink media stream is distributed to the gateway association, participation meeting conference terminal by the gateway.
Multimedia conferencing services device indicates that downlink media stream is sent to and the gateway association and participates in meeting by gateway Conference terminal.
Wherein, the upstream media stream and downlink media stream may each comprise: audio signal and/or vision signal etc..
Multimedia conference realization method provided in this embodiment, the upstream media stream that multimedia conferencing services device will receive It carries out audio mixing and obtains downlink media stream.Downlink media stream is first sent to gateway, then from gateway to the conference terminal of the gateway association Distribute downlink media stream.This way it is not necessary to which multimedia conferencing services, which are thought highly of, sends downlink media stream to each conference terminal again, only Downlink media stream need to be sent to gateway involved in multimedia conferencing, thus greatly reduce the band of multimedia conferencing services device The utilization of wide resource, to improve multimedia conferencing phenomena such as the delay for effectively avoiding multimedia conferencing from occurring, packet loss, shake Communication quality.
When being linked up using multimedia conferencing, it is necessary first to multimedia conferencing is created, as shown in Fig. 2, shown in Fig. 1 Further include the steps that following creation multimedia conferencing on the basis of embodiment:
S400, when multimedia conferencing services device receive the first conference terminal transmission conference creation request after, search with The associated gateway of first conference terminal.
Conference creation request can be initiated by the conference terminal for having reserved multimedia conferencing, can also be more by no reservation The conference terminal of media conference is initiated.
S500, after multimedia conferencing services device determines that first conference terminal has conference creation permission, described in instruction The associated gateway of first conference terminal receives downlink media stream and the downlink media stream is distributed to first conference terminal.
After multimedia conferencing services device judges that the first conference terminal has conference creation permission, multimedia meeting is created View, and indicate that the associated gateway of first conference terminal receives downlink media stream and is distributed to the downlink media stream described First conference terminal.
It can indicate that downlink media stream is distributed to the first conference terminal by gateway by instruction message；It can also be in multimedia When Conference server and gateway carry out media negotiation, downlink media stream is distributed to the first conference terminal by notification gateway.
Multimedia conference realization method provided in this embodiment, when creating multimedia conferencing, multimedia conferencing services device Notification gateway is needed to receive downlink media stream, and downlink media stream is distributed to associated by the gateway, participates in by notification gateway The conference terminal of meeting.In this way, being just able to achieve downlink media stream after meeting starts and being first sent to gateway, then be distributed to by gateway Corresponding conference terminal.
After creating multimedia conferencing, conference terminal can be actively added or convene addition should by multimedia conference system Multimedia conferencing, as shown in figure 3, the method that multimedia conferencing is added in conference terminal may comprise steps of:
S600 searches institute after multimedia conferencing services device, which detects, meets the second conference terminal that meeting condition is added State the associated gateway of the second conference terminal.
When conference terminal is actively added multimedia conferencing, multimedia conferencing judges that the conference terminal has and meeting is added Permission when, just execute this method.
Whether S700, multimedia conferencing services device judge the information of the associated gateway of the second conference terminal in downlink matchmaker In body stream list, the downlink media stream list is used to record the information for the gateway for receiving downlink media stream；If so, executing S900；If not, executing S800.
S800, multimedia conferencing services device indicate that the associated gateway of second conference terminal receives downlink media stream.
If not including the associated gateway of the second conference terminal in downlink media stream list, multimedia conferencing is needed Server indicates that gateway receives downlink media stream, then, executes S900.
S900, multimedia conferencing services device indicate the associated gateway of the second conference terminal to second conference terminal Distribute the downlink media stream.
If including the associated gateway of the second conference terminal in downlink media stream list, show call control server It is transmitted across downlink media stream to the gateway, therefore, there is no need to repeat to indicate that the gateway receives downlink media stream, directly Execute S900.
Multimedia conference realization method provided in this embodiment, when there is conference terminal that meeting is added, multimedia conferencing clothes Business device needs notification gateway to distribute downlink media stream to the conference terminal being newly added, and guarantees each conference terminal that meeting is added Downlink media stream can be received.
After conference terminal actively leaves multimedia conferencing, as shown in figure 4, multimedia conference realization method is shown in Fig. 1 The basic row of embodiment, can with the following steps are included:
S1000, after detecting that third conference terminal leaves multimedia conferencing, multimedia conferencing services device searches described the The associated gateway of three conference terminals.
For example, it may include that conference terminal actively exits meeting that conference terminal, which leaves multimedia conferencing, alternatively, meeting knot Beam.
S1100, multimedia conferencing services device indicate that the associated gateway of third conference terminal stops to the third meeting It discusses terminal and distributes downlink media stream.
After conference terminal leaves multimedia conferencing, multimedia conferencing services device needs notification gateway to stop to meeting end End distribution downlink media stream.
If multimedia conferencing terminates, each gateway of multimedia conferencing services device instruction stops distribution downstream media Stream.
Conference terminal provided in this embodiment leaves the processing method after multimedia conferencing, when conference terminal leaves multimedia After meeting, multimedia conferencing services device needs notification gateway to stop distributing downlink media stream to the conference terminal left, to save Save the resource of gateway.
Corresponding to the above-mentioned embodiment of the method applied to multimedia conferencing services device, the present invention also provides be applied to gateway Embodiment of the method.
Referring to Fig. 5, shows a kind of process of the multimedia conference realization method applied to gateway of the embodiment of the present invention and show It is intended to, this method is applied in gateway, it may comprise steps of:
S110, gateway receive the downlink media stream that multimedia conferencing services device is sent, and the downlink media stream is by being by institute The upstream media stream for stating conference terminal transmission carries out audio mixing and obtains.
S120, gateway is indicated according to the downstream media stream distribution of the multimedia conferencing services device, by the downstream media Flow point issue the gateway association, participate in meeting conference terminal, the gateway association, participate in meeting conference terminal by The corresponding relationship that the multimedia conferencing services device obtains between each conference terminal and gateway of participating in meeting obtains.
Multimedia conference realization method provided in this embodiment, the uplink that multimedia conferencing services device sends conference terminal Media Stream carries out audio mixing and obtains downlink media stream.Downlink media stream is first sent to gateway, then from gateway to the meeting of the gateway association It discusses terminal and distributes downlink media stream.This way it is not necessary to which multimedia conferencing services, which are thought highly of, sends downlink matchmaker to each conference terminal again Body stream only need to send downlink media stream to gateway involved in multimedia conferencing, thus greatly reduce multimedia conferencing clothes The utilization of the bandwidth resources of business device, to be improved more phenomena such as the delay for effectively avoiding multimedia conferencing from occurring, packet loss, shake The communication quality of media conference.
Referring to Fig. 6, the flow diagram of another multimedia conference realization method for being applied to gateway is shown, can wrap Include following steps:
S130, gateway receive the stopping that multimedia conferencing services device is sent and distribute instruction, and the stopping distribution instruction carries The information of conference terminal, the stopping distribution instruction detect that conference terminal leaves multimedia by the multimedia conferencing services device Meeting, alternatively, being generated after detecting multimedia conferencing；
S140, gateway stop conference terminal distribution downlink media stream corresponding to the end message.
Conference terminal provided in this embodiment leaves the processing method after multimedia conferencing, when gateway receives multimedia meeting After discussing the stopping distribution instruction that server is sent, stop distributing downlink media stream to the conference terminal for leaving multimedia conferencing, from And save the distribution resource of gateway.
It is a kind of flow diagram of multimedia conference realization method of the embodiment of the present invention, as shown in connection with fig. 7 referring to Fig. 7 Process is discussed in detail multimedia conferencing and realizes process.In the present embodiment, multimedia conferencing services device includes call control server With IMS conference medium Resource Server, call control server is responsible for the Call- Control1 that user holds multimedia conferencing.IMS conference medium Resource Server is multimedia signal processing center, provides the resource of needs, the uplink media that will be received for multimedia conferencing Stream carries out audio mixing and obtains downlink media stream, and downlink media stream is then distributed to conference terminal.As shown in fig. 7, the method can With the following steps are included:
S210, the first conference terminal send multimedia conferencing request to create, the multimedia conferencing to call control server Request to create carries the user information of first conference terminal.The user information includes the corresponding user of the first conference terminal The information such as user name.
S220, call control server judge whether the first conference terminal there is multimedia conferencing to create permission；If not, Execute S230；If it is execution S240.
Call control server judges whether first conference terminal has creation multimedia according to the user information The permission of meeting.
S230, call control server return to refusal call to first conference terminal.
S240, call control server send conferencing resource request, the conferencing resource to IMS conference medium Resource Server Request is that multimedia conferencing configures media resource for requesting IMS conference medium Resource Server.
S250, IMS conference medium Resource Server creates multimedia conferencing, and returns to conference creation to call control server Success response.
Media resource needed for IMS conference medium Resource Server configures multimedia conferencing, comprising: be the meeting of multimedia conferencing The meeting-place media resource of field configuration, and, it is the media resource that each conference member of attending multimedia conference configures.
S260, call control server return to conference creation success response to the first conference terminal.
S270, call control server search the associated gateway of the first conference terminal.
In one embodiment of the invention, can conference terminal be added multimedia conferencing when, inquiry conference terminal with Corresponding relationship between gateway obtains the associated gateway of the first conference terminal.
In other embodiments of the invention, can also when conference terminal is registered, in advance inquire conference terminal with Corresponding relationship between gateway obtains the associated gateway of the first conference terminal, after multimedia conferencing is added so as to conference terminal, Directly obtain the associated gateway of the first conference terminal.
S280, call control server send media negotiation request to the gateway, and media negotiation request carries meeting The media information of Media Resource Server.
Call control server and the gateway carry out media negotiation, the media information of negotiation communication both sides.Herein logical Believe that both sides include IMS conference medium Resource Server and gateway, media information includes: the energy such as IP address, port information, message format Enough guarantee the information of communicating pair normal communication.
Specifically, can initiate media negotiation request from call control server to gateway, which is requested at least Carry IMS conference medium Resource Server media information, receive gateway return media negotiation response, the media negotiation respond to The media information of gateway is carried less, moreover, being the gateway by the downstream media address configuration of meeting Media Resource Server Address, so that downlink media stream is sent to the gateway by IMS conference medium Resource Server.
S290, the gateway return to media negotiation response to call control server, and media negotiation response carries gateway Media information.
S2100, call control server notify IMS conference medium Resource Server that downstream media address is determined as the net The address of pass.
S2110, call control server send distribution address to the gateway and add instruction message, distribution address addition Instruction message is used to indicate the gateway and the address of the first conference terminal is added in downstream media stream distribution destination address.
In one embodiment of the invention, call control server can send instruction message to gateway, indicate gateway Set downstream media stream distribution destination address.
In another embodiment of the present invention, call control server is carried into the media negotiation request that gateway is sent The address of first conference terminal, so that the address of the first conference terminal is added to downstream media stream distribution destination by gateway In location.
S2120, the gateway return to the addition response of distribution address to call control server.
S2130, call control server send media re-negotiation request, media re-negotiation request to the first conference terminal Carry the media information of IMS conference medium Resource Server.
Call control server also needs to carry out media negotiation with the first conference terminal, specifically, can be by Call- Control1 Server initiates media negotiation request to the first conference terminal, and media negotiation request at least carries IMS conference medium Resource Server Media information；First conference terminal returns to media negotiation response to call control server, and media negotiation response is at least taken Media information with the first conference terminal, to guarantee to be led between IMS conference medium Resource Server and the first conference terminal Letter.
S2140, the first conference terminal return to media re-negotiation response to call control server, and determine Call- Control1 clothes The address of business device is uplink media address.
Call control server instruction conference terminal configures uplink media address on the ground of IMS conference medium Resource Server Upstream media stream is sent to IMS conference medium Resource Server by location, i.e. notice conference terminal.
In one embodiment of the invention, the address of IMS conference medium Resource Server is carried in media negotiation request, and The uplink media address of the first conference terminal is set to be configured to the address of IMS conference medium Resource Server.
In another embodiment of the present invention, it can be sent from call control server to the first conference terminal corresponding Instruction message, so that the first conference terminal configures uplink media address to the address of IMS conference medium Resource Server.
The upstream media stream received is carried out audio mixing, obtains downlink media stream by S2150, IMS conference medium Resource Server.
After multimedia conferencing creates successfully, other conference terminals can be actively added the multimedia conferencing, can also be by more Media conference system, which is convened, is added the multimedia conferencing, and conference terminal is also required to call control server after multimedia conferencing is added Above-mentioned media negotiation and media re-negotiation process are carried out, below introduces expansion.
Upstream media stream is uploaded to IMS conference medium Resource Server by the conference terminal of attending multimedia conference, by meeting matchmaker Body Resource Server will receive upstream media stream and carry out audio mixing, obtain downlink media stream.
Downlink media stream is sent to the gateway by S2160, IMS conference medium Resource Server.
A gateway can be set in multimedia conference system, multiple gateways, IMS conference medium resource service also can be set Downlink media stream is sent to each gateway by device.
S2170, it is corresponding that the downlink media stream received is distributed to downstream media stream distribution destination address by the gateway Conference terminal.
The downlink media stream received is sent to downstream media stream distribution destination address corresponding meeting end by each gateway End.Downstream media stream distribution destination address includes the address of the conference terminal of the gateway association and attending multimedia conference.
For example, the conference terminal of some gateway association is this six conference terminals of conference terminal A, B, C, D, E, F, wherein only There are conference terminal A, C, E, F to participate in multimedia conference terminal, then the downstream media stream distribution destination address of the gateway is meeting The address of terminal A, C, E, F.
Multimedia conference realization method provided in this embodiment, the uplink media that IMS conference medium Resource Server will receive Stream carries out audio mixing and obtains downlink media stream.Downlink media stream is first sent to gateway, then from gateway to the meeting of gateway association end End distribution downlink media stream.This way it is not necessary to which IMS conference medium Resource Server repeats to send downstream media to each conference terminal Stream only need to send downlink media stream to gateway involved in multimedia conferencing, thus greatly reduce IMS conference medium resource clothes The utilization of the bandwidth resources of business device, to be improved more phenomena such as the delay for effectively avoiding multimedia conferencing from occurring, packet loss, shake The communication quality of media conference.
Referring to Fig. 8, a kind of flow diagram that conference terminal is opened an account of the embodiment of the present invention is shown, in the present embodiment, be When conference terminal is opened an account, the associated gateway of conference terminal is set.As shown in figure 8, this method may comprise steps of:
S310, when administrator for conference terminal when opening an account, system for unified management obtains the meeting that administrator specifies The information of the gateway of terminal association.
System for unified management may operate in call control server for managing all devices in multimedia conference system Or in IMS conference medium Resource Server, alternatively, other clothes in addition to call control server and IMS conference medium Resource Server It is engaged in device.
Under normal conditions, direct-connected by cable between gateway and conference terminal, therefore, multimedia conference system deployment is completed Afterwards, the corresponding relationship between conference terminal and gateway determines that constant.Administrator is according to the multimedia meeting where conference terminal The network architecture of conference system determines the associated gateway of conference terminal.
S320, system for unified management send gateway to call control server and record instruction message, gateway record instruction Message is used to indicate call control server and records corresponding relationship between the conference terminal and gateway.
S330, call control server record the corresponding relationship between the conference terminal and gateway, and to unified management System returns to configuration successful response.
Each corresponding relationship for requiring to record between corresponding conference terminal and gateway of opening an account.
As previously mentioned, the corresponding relationship between conference terminal and gateway can be inquired in endpoint to register, obtains and initiate note The associated gateway of conference terminal of volume.It therefore, can also include S340~S360 after S330.
S340, the conference terminal initiate registration request to call control server.The registration request carries the meeting The information of terminal, for example, the corresponding telephone number of the IP address of conference terminal, MAC Address, conference terminal or user account number or end Message breath, so that call control server be facilitated to find corresponding conference terminal according to the information of conference terminal.
Wherein, the conference terminal for initiating to register should be any one in the conference terminal opened an account.
The corresponding relationship between the conference terminal and gateway of registration is initiated in S350, call control server inquiry.
The corresponding relationship between conference terminal and gateway that call control server obtains inquiry, stores into memory, The associated gateway of conference terminal is obtained directly from memory so as to subsequent.
S360, call control server return to response of succeeding in registration to the conference terminal for initiating registration.
Conference terminal account-opening method provided in this embodiment, administrator for conference terminal when opening an account, according to multimedia meeting The network architecture of conference system determines the associated gateway of conference terminal, and by call control server record conference terminal and gateway it Between corresponding relationship find the associated gateway of conference terminal when so as to subsequent progress multimedia conferencing.Such method record The accuracy of corresponding relationship between conference terminal and gateway is high.
Referring to Fig. 9, the flow diagram that another kind conference terminal of the embodiment of the present invention is opened an account is shown, in the present embodiment, When opening an account for conference terminal, the associated gateway of IP address section of conference terminal is set.As shown in figure 4, this method may include with Lower step:
S410, when administrator for conference terminal when opening an account, system for unified management obtains the meeting that administrator specifies Corresponding relationship between the IP address section and gateway of terminal.
Administrator can specify the corresponding relationship between IP address section and gateway.
S420, system for unified management send corresponding relationship to call control server and record instruction message, the corresponding relationship Record instruction message is used to indicate call control server and records corresponding relationship between the IP address section and gateway.
S430, call control server record the corresponding relationship between the IP address section and gateway, and to unified management System returns to configuration successful response.
The corresponding relationship between conference terminal and gateway can be inquired in endpoint to register, obtain the meeting for initiating registration The gateway of terminal association.It therefore, can also include S440~S460 after S430.
S440, the conference terminal initiate registration request to call control server, which carries the meeting The information of terminal, for example, the corresponding telephone number of the IP address of conference terminal, MAC Address, conference terminal or user account number or end Message breath, so that call control server be facilitated to find corresponding conference terminal according to end message.
S450, call control server search the meeting according to the corresponding relationship between the IP address section and gateway The associated gateway of the IP address of terminal, and record the associated gateway of the conference terminal.
S460, call control server return to response of succeeding in registration to the conference terminal.
Conference terminal account-opening method provided in this embodiment only needs administrator to specify corresponding between IP address section and gateway Relationship finds out the associated gateway of conference terminal according to the IP address of conference terminal.Such method does not need administrator and grasps in detail The network structure of thin multimedia conference system reduces the requirement to the technical capability of administrator.
After multimedia conferencing creation, the multimedia conferencing can be added in other conference terminals with activly request.Referring to Figure 10, show Go out another kind multimedia conference realization method flow diagram of the embodiment of the present invention, in the present embodiment, the second conference terminal master Dynamic that multimedia conferencing is added, as shown in Figure 10, this method may include:
S510, the second conference terminal is sent to call control server is added request for conference, which carries The corresponding end message of second conference terminal, the end message may include the IP address and port information of the second conference terminal.
For example, generating corresponding addition meeting when user passes through conference terminal and dials the operation such as meeting access code, password Request.
S520, call control server determine whether that multimedia conferencing is added in second conference terminal；If so, Execute S540；If not, executing S530.
S530, call control server discharge the calling of second conference terminal.
S540, call control server is sent to IMS conference medium Resource Server increases conference member request, the increase meeting View membership request carries the information of second conference terminal.
Second conference terminal is set conference member by S550, IMS conference medium Resource Server, and to Call- Control1 Server, which returns, increases conference member success response.
IMS conference medium Resource Server is that the conference member newly increased configures corresponding IMS conference medium resource, and controls to calling Control server, which returns, increases conference member success response.
S560, call control server return to the second conference terminal and meeting success response are added.
S570, call control server search the associated gateway of the second conference terminal, and judge that the information of the gateway is It is no in downlink media stream list, if it is, execute S5110；If it is not, then executing S580.It is protected in downlink media stream list There is the information of gateway associated by the conference terminal referring to multimedia conferencing.
If including the associated gateway of the second conference terminal in downlink media stream list, show call control server Media negotiation has been carried out with the gateway, therefore, there is no need to carry out media negotiation with the gateway, directly execution S5100.
If not including the associated gateway of the second conference terminal in downlink media stream list, Call- Control1 is needed to take Business device and the gateway carry out media negotiation.
S580, call control server send media negotiation request, media association to the associated gateway of the second conference terminal Consult and request the media information asked and carry IMS conference medium Resource Server.
S590, the gateway return to media negotiation response to call control server, and media negotiation response carries gateway Media information.
S5100, call control server notify IMS conference medium Resource Server that downstream media address is determined as the net The address of pass.
S5110, call control server send distribution address to the gateway and add instruction message, distribution address addition Instruction message is used to indicate the gateway and the address of the second conference terminal is added in downstream media stream distribution destination address.
S5120, the gateway return to the addition response of distribution address to call control server.
S5130, call control server send media re-negotiation request, media re-negotiation request to the second conference terminal Carry the media information of IMS conference medium Resource Server.
S5140, the second conference terminal return to media re-negotiation response to call control server, and determine Call- Control1 clothes The address of business device is uplink media address.
S5150, the second conference terminal send upstream media stream to IMS conference medium Resource Server.
The upstream media stream received is carried out audio mixing, obtains downlink media stream by S5160, IMS conference medium Resource Server.
Downlink media stream is sent to the gateway by S5170, IMS conference medium Resource Server.
S5180, it is corresponding that the downlink media stream received is distributed to downstream media stream distribution destination address by the gateway Conference terminal.
After multimedia conferencing creation, multimedia conference system can call a meeting the terminal-joined multimedia conferencing, referring to Figure 11, shows the flow diagram of another kind multimedia conference realization method of the embodiment of the present invention, in the present embodiment, multimedia Conference system convenes third conference terminal that meeting is added, and as shown in figure 11, this method may comprise steps of:
S610, when call control server determines the third conference terminal for existing and meeting participation meeting condition, Xiang Huiyi matchmaker Body Resource Server, which is sent, increases conference member request, the information for increasing conference member request and carrying third conference terminal.
S620, IMS conference medium Resource Server increases conference member success, and returns to call control server and increase meeting Discuss member's success response.
IMS conference medium Resource Server is that the conference member newly increased configures corresponding IMS conference medium resource, and controls to calling Control server, which returns, increases conference member success response.
S630, call control server send to third conference terminal and invite request of attending a meeting.
S640, the receiving of third conference terminal is described to invite request of attending a meeting, and attends a meeting to call control server return Response.
S650, call control server search the associated gateway of third conference terminal, and judge that the information of the gateway is It is no in downlink media stream list；If it is, executing S690；If it is not, then executing S660.It is saved in downlink media stream list There is the information of gateway associated by the conference terminal referring to multimedia conferencing.
If including the information of the associated gateway of third conference terminal in downlink media stream list, show Call- Control1 Server has carried out media negotiation with the gateway, therefore, there is no need to carry out media negotiation with the gateway, directly execute S690。
If not including the information of the associated gateway of third conference terminal in downlink media stream list, need to call Control server and the gateway carry out media negotiation, i.e. execution S660.
S660, call control server send media negotiation request, media association to the associated gateway of third conference terminal Consult and request the media information asked and carry IMS conference medium Resource Server.
S670, the gateway return to media negotiation response to call control server, and media negotiation response carries gateway Media information.
S680, call control server notify IMS conference medium Resource Server that downstream media address is determined as the gateway Address.
S690, call control server send distribution address to the gateway and add instruction message, distribution address addition Instruction message is used to indicate the gateway and the address of third conference terminal is added in downstream media stream distribution destination address.
S6100, the gateway return to the addition response of distribution address to call control server.
S6110, call control server send media re-negotiation request, media re-negotiation request to third conference terminal Carry the media information of IMS conference medium Resource Server.
S6120, third conference terminal return to media re-negotiation response to call control server, and determine Call- Control1 clothes The address of business device is uplink media address.
S6130, third conference terminal send upstream media stream to IMS conference medium Resource Server.
The upstream media stream received is carried out audio mixing, obtains downlink media stream by S6140, IMS conference medium Resource Server.
Downlink media stream is sent to the gateway by S6150, IMS conference medium Resource Server.
S6160, it is corresponding that the downlink media stream received is distributed to downstream media stream distribution destination address by the gateway Conference terminal.
When it is implemented, conference terminal can actively leave multimedia conferencing, referring to Figure 12, the embodiment of the present invention is shown A kind of conference terminal leaves the implementation method flow diagram of multimedia conferencing, and this method may comprise steps of:
S710, the 4th conference terminal on-hook.
S720 is returned after call control server detects the on-hook operation of the 4th conference terminal to the 4th conference terminal On-hook response.
S730, call control server is sent to IMS conference medium Resource Server deletes conference member request, the deletion meeting View membership request carries the information of the 4th conference terminal.
S740, IMS conference medium Resource Server deletes the 4th conference terminal, and deletes to call control server return Except conference member success response.
IMS conference medium Resource Server is released to the media resource of the 4th conference terminal distribution, and takes to Call- Control1 Business device, which returns, deletes conference member success response.
If the conference member for participating in meeting all actively leaves, need to discharge the media resource of conference member one by one, with And discharge the meeting-place media resource of the multimedia conferencing.
S750, call control server search the 4th associated gateway of conference terminal.
S760, call control server send distribution address to the gateway and delete instruction message, which deletes Instruction message carries the address of the 4th conference terminal.To guarantee that gateway does not continue to distribute to the 4th conference terminal Downlink media stream.
S770, the gateway return to distribution address to call control server and delete success response.
The method that conference terminal provided in this embodiment leaves multimedia conferencing is detecting that conference terminal leaves multimedia When meeting, the notice associated gateway of conference terminal deletes the ground of the conference terminal from downstream media stream distribution destination address Location guarantees that gateway no longer sends downlink media stream to the conference terminal for leaving multimedia conferencing.
Referring to Figure 13, a kind of meeting adjourned processing method flow diagram of the embodiment of the present invention is shown, this method can be with The following steps are included:
S810, when call control server detects that multimedia conferencing meets meeting adjourned condition, to IMS conference medium resource Server, which is sent, terminates notice of meeting message, this terminates notice of meeting message and carries meeting identification information；The meeting identification letter Breath may include conference hall number.
For example, described, meeting adjourned that condition may include: that meeting carries out that the time reaches the preset conference time；Meeting presider Think that target has been reached in meeting, passing through meeting interface terminates meeting；All conference members all hang up conference terminal and exit meeting.
S820, after IMS conference medium Resource Server discharges the media resource of the multimedia conferencing, to Call Control Service Device, which returns, terminates meeting success response.
S830, call control server search the associated gateway of whole conference terminals for participating in the multimedia conferencing.
S840, call control server notify each gateway to stop distribution downlink media stream, and indicate that each gateway is deleted Whole downstream media stream distribution destination addresses.
S850, the gateway return to distribution address to call control server and delete success response.
S860, call control server send end meeting to each conference terminal for participating in the multimedia conferencing and ask It asks.
S870, conference terminal terminate to converse, and to call control server return meeting adjourned response.
Meeting adjourned processing method provided in this embodiment detects that multimedia conferencing meets meeting in call control server After discussing termination condition, notice IMS conference medium Resource Server terminates the multimedia conferencing.And it searches and participates in the multimedia conferencing Whole associated gateways of conference terminal, and notification gateway stops distribution downlink media stream, final realization ending multimedia meeting Process.
Corresponding with multimedia conference realization method embodiment provided by the invention, the present invention also provides a kind of multimedias Meeting realization device embodiment.
It is real for a kind of multimedia conferencing applied to multimedia conferencing services device provided in an embodiment of the present invention referring to Figure 14 The structural schematic diagram of existing device, the device are applied in multimedia conferencing services device, as shown in figure 14, the apparatus may include: First obtains module 110, mix module 120, sending module 130.
First obtains module 110, for obtaining the associated gateway of each conference terminal for participating in meeting.
In one embodiment of the invention, the acquisition module includes: the first acquisition submodule and the first inquiry submodule Block.
First acquisition submodule, for obtaining the information of the conference terminal；The information of the conference terminal includes described The medium access control MAC Address of conference terminal, internet protocol address, telephone number and meeting associated by conference terminal Any one in user account number associated by terminal.First inquiry submodule is looked into for the information according to the conference terminal The corresponding relationship between pre-recorded conference terminal and gateway is ask, the associated gateway of the conference terminal is obtained.
Mix module 120, the upstream media stream for sending the conference terminal carry out audio mixing, obtain downstream media Stream.
In one embodiment of the invention, mix module includes the first audio mixing submodule；The first audio mixing submodule is used Audio mixing is carried out in the upstream media stream for uploading the conference terminal received, obtains downlink media stream.
In another embodiment of the invention, mix module includes the second audio mixing submodule；The second audio mixing submodule is used Upstream media stream after the audio mixing for sending the gateway received carries out audio mixing, obtains downlink media stream, after the audio mixing The upstream media stream that the conference terminal received uploads is carried out audio mixing by the gateway and obtained by upstream media stream.
Sending module 130, for the downlink media stream to be sent respectively to the associated gateway of each conference terminal, So that the downlink media stream is distributed to the gateway association, participation meeting conference terminal by the gateway.
Multimedia conferencing realization device provided in this embodiment, the uplink that multimedia conferencing services device sends conference terminal Media Stream carries out audio mixing and obtains downlink media stream.Downlink media stream is first sent to gateway, then from gateway to the meeting of the gateway association It discusses terminal and distributes downlink media stream.This way it is not necessary to which multimedia conferencing services, which are thought highly of, sends downlink matchmaker to each conference terminal again Body stream only need to send downlink media stream to gateway involved in multimedia conferencing, thus greatly reduce multimedia conferencing clothes The utilization of the bandwidth resources of business device, to be improved more phenomena such as the delay for effectively avoiding multimedia conferencing from occurring, packet loss, shake The communication quality of media conference.In addition, this method is not necessarily to dispose IMS conference medium resource on gateway, to reduce system cost.
Referring to Figure 15, the multimedia conferencing for showing another kind of the embodiment of the present invention applied to multimedia conferencing services device is real The structural schematic diagram of existing device, which can also include 210 He of the first searching module on the basis of embodiment illustrated in fig. 14 First indicating module 220.
First searching module 210, for when receive the first conference terminal transmission conference creation request after, search and institute State the associated gateway of the first conference terminal；
First indicating module 220, for determine first conference terminal have conference creation permission after, described in instruction The associated gateway of first conference terminal receives downlink media stream and the downlink media stream is distributed to first conference terminal.
When there is conference terminal that multimedia conferencing is added, as shown in figure 16, may be used also on the basis of embodiment illustrated in fig. 14 To include: the second searching module 310, first judgment module 320 and the second indicating module 330.
Second searching module 310 is searched for first after detecting the second conference terminal for meeting addition meeting condition The associated gateway of second conference terminal；
First judgment module 320, for judging the information of the associated gateway of the second conference terminal whether in downlink matchmaker In body stream list, the downlink media stream list is used to record the information for the gateway for receiving downlink media stream；
Second indicating module 330, for the information when the associated gateway of the second conference terminal not in the downlink matchmaker In body stream list, the multimedia conferencing services device indicates that the associated gateway of second conference terminal receives downlink media stream, And indicate that the associated gateway of the second conference terminal distributes the downlink media stream to second conference terminal.
Multimedia conferencing realization device provided in this embodiment, when there is conference terminal that meeting is added, multimedia conferencing clothes Business device needs notification gateway to distribute downlink media stream to the conference terminal being newly added, and guarantees each conference terminal that meeting is added Downlink media stream can be received.
When conference terminal leaves multimedia conferencing, as shown in figure 17, on the basis of embodiment illustrated in fig. 14 further include: Third searching module 410 and third indicating module 420.
Third searching module 410, for after detecting that third conference terminal leaves multimedia conferencing, multimedia conferencing to be taken Business device searches the associated gateway of third conference terminal.
It may include that conference terminal actively exits meeting that conference terminal, which leaves multimedia conferencing, alternatively, meeting adjourned.
Third indicating module 420 is used to indicate the associated gateway of third conference terminal and stops to the third meeting Terminal distributes downlink media stream.
If multimedia conferencing terminates, each gateway of multimedia conferencing services device instruction stops distribution downstream media Stream.
Multimedia conferencing realization device provided in this embodiment, after conference terminal leaves multimedia conferencing, multimedia meeting View server needs notification gateway to stop distributing downlink media stream to the conference terminal left, to save the resource of gateway.
Corresponding to the above-mentioned multimedia conferencing realization device embodiment applied to multimedia conferencing services device, the present invention is also mentioned Another multimedia conferencing realization device embodiment for being applied to multimedia conferencing services device is supplied.
Referring to Figure 18, the structural schematic diagram that another kind of the embodiment of the present invention is applied to multimedia conferencing services device is shown, As shown in figure 18, the multimedia conferencing services device includes receiver 510, processor 520 and transmitter 530.
The receiver 510, for receiving upstream media stream.
The processor 520, for the upstream media stream received progress audio mixing to be obtained downlink media stream；And obtain ginseng Add the information of the associated gateway of each conference terminal of meeting.
In one embodiment of the invention, processor 520 obtains the associated gateway of each conference terminal for participating in meeting Information when, be specifically used for:
The information of the conference terminal is obtained, the information of the conference terminal includes the medium access control of the conference terminal User account number associated by MAC Address processed, internet protocol address, telephone number and conference terminal associated by conference terminal In any one；
According to the information of the conference terminal, the corresponding relationship between pre-recorded conference terminal and gateway is inquired, is obtained To the associated gateway of the conference terminal.
In another embodiment of the present invention, the processor 520 obtains the upstream media stream received progress audio mixing When to downlink media stream, audio mixing is carried out specifically for the upstream media stream for uploading the conference terminal received, is obtained down Row Media Stream.
In another embodiment of the present invention, the processor 520 obtains the upstream media stream received progress audio mixing When to downlink media stream, audio mixing is carried out specifically for the upstream media stream after the audio mixing that sends the gateway received, is obtained down Row Media Stream, the upstream media stream that upstream media stream after the audio mixing is uploaded the conference terminal received by the gateway into Row audio mixing obtains.
The transmitter 530, for the downlink media stream to be sent respectively to the associated net of each conference terminal It closes, so that the downlink media stream is distributed to the gateway association, participation meeting conference terminal by the gateway.
Multimedia conferencing services device provided in this embodiment, multimedia conferencing services device by the upstream media stream received into Row audio mixing obtains downlink media stream.Downlink media stream is first sent to gateway, then from gateway to the conference terminal of the gateway association point Send out downlink media stream.This way it is not necessary to which multimedia conferencing services, which are thought highly of, sends downlink media stream to each conference terminal again, only need Downlink media stream is sent to gateway involved in multimedia conferencing, thus greatly reduces the bandwidth of multimedia conferencing services device The utilization of resource, to improve multimedia conferencing phenomena such as the delay for effectively avoiding multimedia conferencing from occurring, packet loss, shake Communication quality.
In one embodiment of the invention, the receiver 510 is also used to: receiving the meeting that the first conference terminal is sent Request to create.
The processor 520 is also used to: when receiver 510 receives the conference creation request of the first conference terminal transmission Afterwards, it obtains and the associated gateway of the first conference terminal；After determining that first conference terminal has conference creation permission, refer to Show that the associated gateway of first conference terminal receives downlink media stream and the downlink media stream is distributed to first meeting Discuss terminal.
In another embodiment of the present invention, the processor 520 is also used to: meeting condition is added when detecting to meet The second conference terminal after, search the associated gateway of the second conference terminal；Judge the associated net of the second conference terminal Whether the information of pass is in downlink media stream list, and the downlink media stream list is for recording the net for receiving downlink media stream The information of pass；If the information of the associated gateway of the second conference terminal is not in the downlink media stream list, described more Media conference server indicates that the associated gateway of second conference terminal receives downlink media stream, and indicates second meeting The gateway of terminal association distributes the downlink media stream to second conference terminal.
In another embodiment of the present invention, the processor 530 is also used to: when detecting that third conference terminal leaves After multimedia conferencing, multimedia conferencing services device searches the associated gateway of third conference terminal；Multimedia conferencing services device Indicate that the associated gateway of third conference terminal stops distributing downlink media stream to the third conference terminal.
Corresponding to the above-mentioned multimedia conference realization method embodiment applied to gateway, the present invention also provides be applied to net The multimedia conferencing realization device embodiment of pass.
Referring to Figure 19, shows a kind of structure of the multimedia conferencing realization device applied to gateway of the embodiment of the present invention and show It is intended to, which includes: the first receiving module 610 and sending module 620.
First receiving module 610, for receiving the downlink media stream of multimedia conferencing services device transmission, the downstream media Stream is that the upstream media stream that the conference terminal is sent is carried out audio mixing to obtain；
Sending module 620, for being indicated according to the downstream media stream distribution of the multimedia conferencing services device, under described Row Media Stream is distributed to the gateway association, participation meeting conference terminal, the gateway association, participation meeting meeting Terminal obtains the corresponding relationship between each conference terminal and gateway of participating in meeting by the multimedia conferencing services device and obtains.
Multimedia conferencing realization device provided in this embodiment, the uplink that multimedia conferencing services device sends conference terminal Media Stream carries out audio mixing and obtains downlink media stream.Downlink media stream is first sent to gateway, then from gateway to the meeting of the gateway association It discusses terminal and distributes downlink media stream.This way it is not necessary to which multimedia conferencing services, which are thought highly of, sends downlink matchmaker to each conference terminal again Body stream only need to send downlink media stream to gateway involved in multimedia conferencing, thus greatly reduce multimedia conferencing clothes The utilization of the bandwidth resources of business device, to be improved more phenomena such as the delay for effectively avoiding multimedia conferencing from occurring, packet loss, shake The communication quality of media conference.
Referring to fig. 20, show structure of the another kind of the embodiment of the present invention applied to the multimedia conferencing realization device of gateway Schematic diagram, the device is on the basis of embodiment illustrated in fig. 19 further include: the second receiving module 710 and stopping distribution module 720.
Second receiving module 710, it is described to stop dividing for receiving the stopping distribution instruction of multimedia conferencing services device transmission Bristle with anger and show the end message of carrying conference terminal, the stopping distribution instruction detects meeting by the multimedia conferencing services device Terminal leaves multimedia conferencing, alternatively, generating after detecting multimedia conferencing；
Stop distribution module 720, distributes downlink media stream to the corresponding conference terminal of the end message for stopping.
Conference terminal provided in this embodiment leaves the processing method after multimedia conferencing, when conference terminal leaves multimedia After meeting, multimedia conferencing services device needs notification gateway to stop distributing downlink media stream to the conference terminal left, to save Save the resource of gateway.
Corresponding to the above-mentioned multimedia conferencing realization device embodiment applied to gateway, the present invention also provides another kinds to answer Multimedia conferencing realization device embodiment for gateway.
Referring to fig. 21, the structural schematic diagram of another kind gateway of the embodiment of the present invention is shown, as shown in figure 21, the gateway It include: receiver 810 and transmitter 820.
The receiver 810, for receiving the downlink media stream of multimedia conferencing services device transmission, the downlink media stream It is that the upstream media stream that the conference terminal is sent is carried out audio mixing to obtain.
The transmitter 820, for the downstream media stream distribution instruction according to the multimedia conferencing services device, under described Row Media Stream is distributed to the gateway association, participation meeting conference terminal, the gateway association, participation meeting meeting Terminal obtains the corresponding relationship between each conference terminal and gateway of participating in meeting by the multimedia conferencing services device and obtains.
Gateway provided in this embodiment, gateway receive the downlink media stream that multimedia conferencing services device is sent, downlink matchmaker Body stream is obtained the upstream media stream received progress audio mixing by multimedia conferencing services device.Again from gateway to the gateway association Conference terminal distributes downlink media stream.This way it is not necessary to which multimedia conferencing services, which are thought highly of, sends downlink to each conference terminal again Media Stream only need to send downlink media stream to gateway involved in multimedia conferencing, thus greatly reduce multimedia conferencing The utilization of the bandwidth resources of server, to be improved phenomena such as the delay for effectively avoiding multimedia conferencing from occurring, packet loss, shake The communication quality of multimedia conferencing.
Referring to fig. 22, the structural schematic diagram of another kind gateway of the embodiment of the present invention is shown, as shown in figure 22, the gateway It further include processor 830 on the basis of embodiment illustrated in fig. 21.
The receiver 810 is also used to receive the upstream media stream of conference terminal transmission.
The processor 830, upstream media stream for receiving receiver 810 carry out audio mixing and obtain after audio mixing Row Media Stream.
The transmitter 820 is also used to the upstream media stream after the audio mixing being sent to multimedia conferencing services device, by Multimedia conferencing services carry out audio mixing to the upstream media stream after audio mixing and obtain downlink media stream.So that multimedia conferencing services device The downlink media stream is sent to gateway, then downlink media stream is sent to the gateway association, participation meeting by gateway Conference terminal
Upstream media stream after audio mixing is sent to multimedia conferencing services device by gateway provided in this embodiment, gateway, by Upstream media stream after the audio mixing that multimedia conferencing services device sends each gateway carries out audio mixing, finally obtains downstream media Stream.To reduce the bandwidth resources for sending upstream media stream between gateway and multimedia conferencing services device and occupying, further save Bandwidth resources between gateway and multimedia conferencing services device.
Corresponding to above-mentioned gateway and multimedia conferencing services device, the present invention also provides multimedia conference systems, this is System includes multimedia conferencing services device, at least one gateway and at least two conference terminals；
The conference terminal, for gateway associated by the conference terminal, alternatively, to the multimedia conferencing services Device sends upstream media stream.
The multimedia conferencing services device, for obtaining the letter for participating in gateway associated by each conference terminal of meeting Breath, and the upstream media stream received progress audio mixing is obtained into downlink media stream, the downlink media stream is distributed to institute respectively State the associated gateway of each conference terminal.
In one embodiment of the invention, the multimedia conferencing services device for will the upstream media stream that receive into Row audio mixing obtains being specifically used for when downlink media stream: the upstream media stream that the conference terminal received is sent being carried out audio mixing and is obtained Downlink media stream；Alternatively, the upstream media stream after the audio mixing of the gateway received transmission, which is carried out audio mixing, obtains downlink media stream, The upstream media stream that the conference terminal received uploads is carried out audio mixing by the gateway and obtained by the upstream media stream after the audio mixing It arrives.
The gateway, the downlink media stream for issuing the multimedia conferencing services device received are distributed to described Associated by gateway, participate in meeting conference terminal.
In one embodiment of the invention, the gateway is issued specifically for parsing the multimedia conferencing services device Downstream media stream distribution indicate to obtain the distribution destination address of downlink media stream, to the corresponding meeting of the distribution destination address Terminal sends the downlink media stream.
By the description of above embodiment of the method, it is apparent to those skilled in the art that the present invention can Realize by means of software and necessary general hardware platform, naturally it is also possible to by hardware, but in many cases the former It is more preferably embodiment.Based on this understanding, technical solution of the present invention substantially makes tribute to the prior art in other words The part offered can be embodied in the form of software products, which is stored in a storage medium, packet Some instructions are included to use so that a computer equipment (can be personal computer, server or the network equipment etc.) executes All or part of the steps of the method according to each embodiment of the present invention.And storage medium above-mentioned includes: read-only memory (ROM), the various media that can store program code such as random access memory (RAM), magnetic or disk.
The above is only a specific embodiment of the invention, it is noted that for the ordinary skill people of the art For member, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also answered It is considered as protection scope of the present invention.

Claims (14)

1. a kind of multimedia conference realization method characterized by comprising
Multimedia conferencing services device obtains the information for participating in the associated gateway of each conference terminal of meeting；
The upstream media stream that the conference terminal is sent carries out audio mixing, obtains downlink media stream；
The downlink media stream is sent respectively to the associated gateway of each conference terminal by multimedia conferencing services device, so that The downlink media stream is distributed to the gateway association, participation meeting conference terminal by the gateway；
The upstream media stream that the conference terminal is sent carries out audio mixing, obtains downlink media stream, comprising:
Upstream media stream after the audio mixing that multimedia conferencing services device sends the gateway received carries out audio mixing, obtains downlink matchmaker Body stream, the upstream media stream after the audio mixing are mixed the upstream media stream that the conference terminal received uploads by the gateway Sound obtains.
2. the method according to claim 1, wherein the multimedia conferencing services device, which obtains, participates in each of meeting A associated gateway of conference terminal, comprising:
The information of the conference terminal is obtained, the information of the conference terminal includes the medium access control of the conference terminal In user account number associated by MAC Address, internet protocol address, telephone number and conference terminal associated by conference terminal Any one；
According to the information of the conference terminal, the corresponding relationship between pre-recorded conference terminal and gateway is inquired, institute is obtained State the associated gateway of conference terminal.
3. -2 described in any item methods according to claim 1, which is characterized in that further include:
After multimedia conferencing services device receives the conference creation request of the first conference terminal transmission, search and first meeting Discuss the gateway of terminal association；
After multimedia conferencing services device determines that first conference terminal has conference creation permission, indicate that first meeting is whole It holds associated gateway to receive downlink media stream and the downlink media stream is distributed to first conference terminal.
4. -2 described in any item methods according to claim 1, which is characterized in that further include:
After multimedia conferencing services device, which detects, meets the second conference terminal that meeting condition is added, second meeting is searched The gateway of terminal association；
Whether multimedia conferencing services device judges the information of the associated gateway of the second conference terminal in downlink media stream list In, the downlink media stream list is used to record the information for the gateway for receiving downlink media stream；
If the information of the associated gateway of the second conference terminal is not in the downlink media stream list, the multimedia meeting View server indicates that the information of the associated gateway of the second conference terminal receives downlink media stream, and indicates second meeting The gateway of terminal association distributes the downlink media stream to second conference terminal.
5. -2 described in any item methods according to claim 1, which is characterized in that further include:
After detecting that third conference terminal leaves multimedia conferencing, multimedia conferencing services device searches the third conference terminal Associated gateway；
Multimedia conferencing services device indicates that the associated gateway of third conference terminal stops distributing to the third conference terminal Downlink media stream.
6. a kind of multimedia conference realization method characterized by comprising
Gateway receives the downlink media stream that multimedia conferencing services device is sent, and the downlink media stream is to send conference terminal Upstream media stream carries out audio mixing and obtains；
Gateway is indicated according to the downstream media stream distribution of the multimedia conferencing services device, and the downlink media stream is distributed to institute Gateway association, participation meeting conference terminal is stated, the gateway association, participation meeting conference terminal is by the multimedia The corresponding relationship that Conference server obtains between each conference terminal and gateway of participating in meeting obtains；
The downlink media stream is that the upstream media stream that the conference terminal is sent is carried out audio mixing to obtain, and is specifically included:
Upstream media stream after the audio mixing that multimedia conferencing services device sends the gateway received carries out audio mixing, obtains downlink matchmaker Body stream, the upstream media stream after the audio mixing are mixed the upstream media stream that the conference terminal received uploads by the gateway Sound obtains.
7. a kind of multimedia conferencing realization device characterized by comprising
First obtains module, for obtaining the information for participating in the associated gateway of each conference terminal of meeting；
Mix module, the upstream media stream for sending the conference terminal carry out audio mixing, obtain downlink media stream；
Sending module, for the downlink media stream to be sent respectively to the associated gateway of each conference terminal, so that institute It states gateway and the downlink media stream is distributed to the gateway association, participation meeting conference terminal；
The mix module, the upstream media stream after the audio mixing for sending the gateway received carry out audio mixing, obtain downlink Media Stream, the upstream media stream after the audio mixing are carried out by the upstream media stream that the gateway uploads the conference terminal received Audio mixing obtains.
8. device according to claim 7, which is characterized in that the acquisition module, comprising:
First acquisition submodule, for obtaining the information of the conference terminal, the information of the conference terminal includes the meeting The medium access control MAC Address of terminal, internet protocol address, telephone number and conference terminal associated by conference terminal Any one in associated user account number；
First inquiry submodule, for the information according to the conference terminal, inquire pre-recorded conference terminal and gateway it Between corresponding relationship, obtain the associated gateway of the conference terminal.
9. according to the described in any item devices of claim 7-8, which is characterized in that further include:
First searching module, for searching and described first after receiving the conference creation request of the first conference terminal transmission The associated gateway of conference terminal；
First indicating module, for indicating first meeting after determining that first conference terminal has conference creation permission The gateway of view terminal association receives downlink media stream and the downlink media stream is distributed to first conference terminal.
10. according to the described in any item devices of claim 7-8, which is characterized in that further include:
Second searching module, for searching second meeting after detecting the second conference terminal for meeting addition meeting condition Discuss the gateway of terminal association；
First judgment module, for judging the information of the associated gateway of the second conference terminal whether in downlink media stream list In, the downlink media stream list is used to record the information for the gateway for receiving downlink media stream；
Second indicating module, for the information when the associated gateway of the second conference terminal not in the downlink media stream list In, indicate that the associated gateway of second conference terminal receives downlink media stream, and indicate that second conference terminal is associated Gateway distributes the downlink media stream to second conference terminal.
11. according to the described in any item devices of claim 7-8, which is characterized in that further include:
Third searching module, for after detecting that third conference terminal leaves multimedia conferencing, multimedia conferencing services device to be looked into Look for the associated gateway of third conference terminal；
Third indicating module is used to indicate the associated gateway of third conference terminal and stops distributing to the third conference terminal Downlink media stream.
12. a kind of multimedia conferencing realization device characterized by comprising
First receiving module, for receive multimedia conferencing services device transmission downlink media stream, the downlink media stream be by The upstream media stream that conference terminal is sent carries out audio mixing and obtains；
Sending module, for being indicated according to the downstream media stream distribution of the multimedia conferencing services device, by the downstream media Flow point issues gateway association, participation meeting conference terminal, and the gateway association, participation meeting conference terminal is by described The corresponding relationship that multimedia conferencing services device obtains between each conference terminal and gateway of participating in meeting obtains；
The downlink media stream is that the upstream media stream that the conference terminal is sent is carried out audio mixing to obtain, and is specifically included:
Upstream media stream after the audio mixing that multimedia conferencing services device sends the gateway received carries out audio mixing, obtains downlink matchmaker Body stream, the upstream media stream after the audio mixing are mixed the upstream media stream that the conference terminal received uploads by the gateway Sound obtains.
13. a kind of multimedia conference system characterized by comprising multimedia conferencing services device, at least one gateway and at least Two conference terminals；
The conference terminal, for gateway associated by the conference terminal, alternatively, being sent out to the multimedia conferencing services device Send upstream media stream；
The multimedia conferencing services device, for obtaining the information for participating in gateway associated by each conference terminal of meeting, and The upstream media stream received progress audio mixing is obtained into downlink media stream, the downlink media stream is distributed to respectively described each The associated gateway of conference terminal；
The gateway, the downlink media stream for issuing the multimedia conferencing services device received are distributed to the gateway Associated, participation meeting conference terminal；
The upstream media stream progress audio mixing that the multimedia conferencing services device is used to receive obtains specific when downlink media stream For:
Upstream media stream after audio mixing that the gateway received is sent is subjected to audio mixing and obtains downlink media stream, after the audio mixing The upstream media stream that the conference terminal received uploads is carried out audio mixing by the gateway and obtained by upstream media stream.
14. system according to claim 13, it is characterised in that:
The gateway indicates to obtain downlink specifically for parsing the downstream media stream distribution that the multimedia conferencing services device issues The distribution destination address of Media Stream sends the downlink media stream to the corresponding conference terminal of the distribution destination address.
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