CN104283857A - Method, device and system for creating multimedia conference - Google Patents
Method, device and system for creating multimedia conference Download PDFInfo
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- CN104283857A CN104283857A CN201310284623.1A CN201310284623A CN104283857A CN 104283857 A CN104283857 A CN 104283857A CN 201310284623 A CN201310284623 A CN 201310284623A CN 104283857 A CN104283857 A CN 104283857A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
- H04L65/1066—Session management
- H04L65/1069—Session establishment or de-establishment
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/14—Systems for two-way working
- H04N7/15—Conference systems
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/02—Details
- H04L12/16—Arrangements for providing special services to substations
- H04L12/18—Arrangements for providing special services to substations for broadcast or conference, e.g. multicast
- H04L12/1813—Arrangements for providing special services to substations for broadcast or conference, e.g. multicast for computer conferences, e.g. chat rooms
- H04L12/1822—Conducting the conference, e.g. admission, detection, selection or grouping of participants, correlating users to one or more conference sessions, prioritising transmission
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
- H04L65/40—Support for services or applications
- H04L65/403—Arrangements for multi-party communication, e.g. for conferences
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Abstract
The embodiment of the invention provides a method, device and system for creating a multimedia conference. The method includes the steps that a medium receiving device receives a medium announcement information sent by a medium providing device, wherein the medium announcement information carries multimedia data flow identification information which the medium providing device can send and conference role attributes, corresponding to multimedia data flows, of conference participants; the medium receiving device sends medium configuration information to the medium providing device; the medium receiving device finishes building of a medium transmission channel between the medium receiving device and the medium providing device and receives the multimedia data flows corresponding to the selected multimedia data flow identification and sent by the multimedia providing device through the medium transmission channel. According to the role attributes of the conference participants corresponding to the multimedia data flows, the multimedia data flows are selected, and consultation and presentation of the multimedia data flows in the multimedia conference are controlled in a targeted mode.
Description
Technical field
The embodiment of the present invention relates to the network communications technology, particularly relates to a kind of method for building up of multimedia conferencing, Apparatus and system.
Background technology
Along with the development of video conferencing, the display of multichannel video camera, multichannel motion video and multichannel live image, by the display of a former road video camera, a road motion video and a live image, is developed in meeting-place.Multichannel video camera in same meeting-place, multichannel motion video and multichannel live image by physics or the relation of logic associate, such as, meeting-place A is three screen meeting-place; Meeting-place B is two screen meeting-place; Meeting-place C is single screen meeting-place, i.e. traditional video conferencing, and first video camera of meeting-place A picks up first screen display of image at local terminal meeting-place A or remote site B or C of the participant of primary importance in the A of meeting-place.
In the calling of traditional audio frequency and video, in video conference, single due to each participant method, apparatus ability, the selection of the Media Stream sending and receive is mainly based on information such as audio/video encoding/decodings.Existing meeting negotiation mechanism only provide coding H.264/H.265/VP8 with resolution 720P/1080P etc., make participant side can not understand Media Stream content information more intuitively.Like this in the conference scenario of many meeting-place, multipath media stream, there is the media data flow of numerous such as high definition picture, HD Audio, the media selection of meeting needs only cannot have been completed according to conventional information such as encoding and decoding, also social class just cannot be provided to strengthen business and experience, such as, the picture etc. seeing host is wished; And if screen again after waiting for actual receptions of media and broadcasting, then need the media processing resources of complexity and the network transmission bandwidth of Geng Gao to ensure, this is unpractiaca often in high-quality video meeting in many ways.
Summary of the invention
The embodiment of the present invention provides a kind of method for building up, Apparatus and system of multimedia conferencing, and to solve the defect of existing IMS conference medium stream negotiation mechanism, the negotiation realizing controlling targetedly multimedia data stream in multimedia conferencing is selected.
First aspect, the embodiment of the present invention provides a kind of method for building up of multimedia conferencing, comprising:
The media announcement message that media receiving apparatus receiving media generator sends, described media announcement message carries the multi-medium data traffic identifier that described media generator can send, and the conference role attribute of participant corresponding to each multimedia data stream;
Described media receiving apparatus sends media configuration messages to described media generator, and described media configuration messages carries the role attribute according to participant corresponding to described multimedia data stream, the multi-medium data traffic identifier of selection;
Described media receiving apparatus completes the foundation of the media transmission channel between described media generator, and receives the multimedia data stream corresponding with the multi-medium data traffic identifier of described selection of described media generator transmission by described media transmission channel.
In conjunction with first aspect, in the first possible implementation of first aspect, the conference role attribute of the participant that described multimedia data stream is corresponding comprises one or more of following information:
The conference organisations role of the participant that described multimedia data stream is corresponding, to represent the responsibility post in conference organisations;
The conference system control role of the participant that described multimedia data stream is corresponding, to represent the authority post in Conference control.
In conjunction with the first possible implementation of first aspect or first aspect, in the implementation that the second of first aspect is possible, if a corresponding multiple participant of multimedia data stream, then the conference role attribute of the participant that a described multimedia data stream is corresponding is:
The conference role attribute that the participant that described multiple participant's medium priority is the highest is corresponding.
In conjunction with first aspect, in the third possible implementation of first aspect, described media receiving apparatus comprises before sending media configuration messages to described media generator further:
Described media receiving apparatus, according to the conference role attribute of participant corresponding to described multimedia data stream, selects multi-medium data traffic identifier.
In conjunction with first aspect, in the 4th kind of possible implementation of first aspect, described media receiving apparatus comprises before sending media configuration messages to described media generator further:
Described media receiving apparatus sends multimedia to Conference control entity and selects option, the multi-medium data traffic identifier that described multimedia is selected option to comprise described media receiving apparatus to receive, and the conference role attribute of participant corresponding to each multimedia data stream;
Described media receiving apparatus receives the multi-medium data traffic identifier of the conference role Attributions selection according to described participant that described Conference control entity sends.The all multimedia data stream of described Conference server accessed by the conference terminal from all participant sides and conference role attribute thereof, build media announcement message.
Second aspect, the embodiment of the present invention provides a kind of media receiving apparatus, comprising:
First receiver module, for the media announcement message that receiving media generator sends, the multi-medium data traffic identifier that described media generator can send is carried in described media announcement message, and the conference role attribute of participant corresponding to each multimedia data stream;
First sending module, for sending media configuration messages to described media generator, described media configuration messages carries the role attribute according to participant corresponding to described multimedia data stream, the multi-medium data traffic identifier of selection;
First processing module, for completing the foundation of the media transmission channel between described media generator, and received the described multimedia data stream corresponding with the multi-medium data traffic identifier of described selection of described media generator transmission by described media transmission channel.
In conjunction with second aspect, in the first possible implementation of second aspect, the conference role attribute of the participant that described multimedia data stream is corresponding comprises one or more of following information:
The conference organisations role of the participant that described multimedia data stream is corresponding, to represent the responsibility post in conference organisations;
The conference system control role of the participant that described multimedia data stream is corresponding, to represent the authority post in Conference control.
In conjunction with the first possible implementation of second aspect or second aspect, in the implementation that the second of second aspect is possible, if a corresponding multiple participant of multimedia data stream, then the conference role attribute of the participant that a described multimedia data stream is corresponding is:
The conference role attribute that the participant that described multiple participant's medium priority is the highest is corresponding.
In conjunction with second aspect, in the third possible implementation of second aspect, described media receiving apparatus also comprises:
Second processing module, for the conference role attribute according to participant corresponding to described multimedia data stream, selects multi-medium data traffic identifier.
In conjunction with second aspect, in the 4th kind of possible implementation of second aspect, described media receiving apparatus also comprises:
Second processing module, option is selected for sending multimedia to Conference control entity, described multimedia selects option to comprise the identification information of the multimedia data stream that described first receiver module receives, and the conference role attribute of participant corresponding to each multimedia data stream; Receive the multi-medium data traffic identifier of the conference role Attributions selection according to described participant that described Conference control entity sends.Select module, select option for presenting multimedia to Conference control entity, described multimedia selects option to comprise the identification information of alternative multimedia data stream, and the conference role attribute that each described multimedia data stream is corresponding; Obtain described Conference control entity and complete the selection of multimedia data stream and the selection result fed back.
The third aspect, the embodiment of the present invention provides a kind of media generator, comprising:
Second sending module, for sending media announcement messages to media receiving apparatus, described media announcement message carries the multi-medium data traffic identifier that described media generator can send, and the conference role attribute of participant corresponding to each multimedia data stream;
Second receiver module, for receiving the media configuration messages that described media receiving apparatus sends, carries the conference role attribute according to participant corresponding to described multimedia data stream, the multi-medium data traffic identifier of selection in described media configuration messages;
3rd processing module, for setting up the media transmission channel between described media receiving apparatus, and sends multimedia data stream corresponding to the multi-medium data traffic identifier of described selection by described media transmission channel to described media receiving apparatus.Second processing module, for setting up the media transmission channel between described media receiving apparatus, and by the multimedia data stream of described media transmission channel selected by described media receiving apparatus transmission.
In conjunction with the third aspect, in the first possible implementation of the third aspect, the conference role attribute of the participant that described multimedia data stream is corresponding comprises one or more of following information:
The conference organisations role of the participant that described multimedia data stream is corresponding, to represent the responsibility post in conference organisations;
The conference system control role of the participant that described multimedia data stream is corresponding, represents the authority post in Conference control.
In conjunction with the first possible implementation of the third aspect or the third aspect, in the implementation that the second of the third aspect is possible, if a corresponding multiple participant of multimedia data stream, then the conference role attribute of the participant that a described multimedia data stream is corresponding is:
The conference role attribute that the participant that described multiple participant's medium priority is the highest is corresponding.
Fourth aspect, what the embodiment of the present invention provided a kind of multimedia conferencing sets up system, comprising:
As second aspect, second aspect the first to any one media receiving apparatus provided in the 4th kind of possible implementation and as the third aspect, the third aspect the first to any one the media generator provided in the possible implementation of the second.
The method for building up of the multimedia conferencing that the embodiment of the present invention provides, Apparatus and system, by providing the conference role attribute of the corresponding participant of multimedia data stream, media receiving apparatus can be made to select multimedia data stream based on conference role attribute, thus the Play Control enriched multimedia data stream, enhance meeting to experience, and reduce expense and the network transmission bandwidth of media processing resources.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the schematic flow sheet of the method for building up embodiment one of multimedia conferencing of the present invention;
Fig. 2 and Fig. 3 is the schematic flow sheet of the method for building up embodiment two of multimedia conferencing of the present invention;
Fig. 4 is the Conference control entity interface exemplary plot of the method for building up embodiment two of multimedia conferencing of the present invention;
Fig. 5 is the schematic flow sheet of the method for building up embodiment three of multimedia conferencing of the present invention;
Fig. 6 is the structural representation of media receiving apparatus embodiment four of the present invention;
Fig. 7 is the structural representation of media receiving apparatus embodiment five of the present invention;
Fig. 8 is the structural representation of media generator embodiment six of the present invention;
Fig. 9 is the structural representation of media receiving apparatus embodiment seven of the present invention;
Figure 10 is the structural representation of media generator embodiment eight of the present invention;
Figure 11 is the structural representation setting up system embodiment nine of multimedia conferencing of the present invention.
Embodiment
For making the object of the embodiment of the present invention, technical scheme and advantage clearly, below in conjunction with the accompanying drawing in the embodiment of the present invention, technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Embodiment one
Fig. 1 is the schematic flow sheet of the method for building up embodiment one of multimedia conferencing of the present invention.Embodiments provide a kind of method for building up of multimedia conferencing, the method can be performed by arbitrary media receiving apparatus, this media receiving apparatus can pass through software and/or hardware implementing, can be conference terminal or Conference server, wherein, conference terminal can be the true terminal of intelligence, common conference room terminal, PC (PC), notebook (Laptop) or mobile phone, the mobile terminal devices such as panel computer, the transmitting-receiving of the multi-medium datas such as audio frequency and video can be supported, the division of different brackets can be had according to the difference of audio frequency and image quality, as video pictures can be divided into high definition, SD and normal pictures.
As shown in Figure 1, the method for the present embodiment comprises:
Step 101: the media announcement message that media receiving apparatus receiving media generator sends, the multi-medium data traffic identifier that described media generator can send is carried in described media announcement message, and the conference role attribute of participant corresponding to each multimedia data stream.
Particularly, described media receiving apparatus and media generator can be at least two conference terminals in point-to-point meeting, also can be each conference terminal in multipoint conference and multipoint control unit (the Multipoint Control Unit as Conference server, be called for short: MCU), the two relatively exists, namely media receiving apparatus simultaneously also can as media generator, and media generator simultaneously also can as media receiving apparatus.Usually, the multimedia data stream that conference terminal provides first is supplied to Conference server, and in the process, conference terminal is as media generator, and Conference server is as media receiving apparatus.Then, multimedia data stream is supplied to other conference terminals by Conference server, then, in this process, the role of Conference server is media generators, and other conference terminals are as media receiving apparatus.When there being multiple multimedia data stream in synchronous transmission, then each conference terminal and the role of Conference server in different processes can change.
Wherein, in Multi-Party Conference, MCU is responsible for call signaling process, Conference control, video core exchange, audio mixing, video and audio adaptation and split screen process.Described conference terminal comprises coding and decoding video module, audio coding decoding module, signalling module, control module, configuration module and other functional module, be mainly used in the calling receiving and initiate far-end conference terminal, send to far-end conference terminal after the Audio and Video code stream coding of this locality shooting unit and microphone collection, simultaneously the Audio and Video code stream of far-end conference terminal carried out decoding and output to display and the loudspeaker of local terminal conference terminal.Wherein, described shooting unit can be made up of one or more video camera, the meeting field areas that each video camera is corresponding respective.
Described media generator gathers described multimedia data stream by video camera and microphone, and the conference role attribute of the corresponding acquisition participant corresponding with described multimedia data stream, here obtaining participant's conference role attribute can by pre-configured, system API Calls, or the mode of online negotiation obtains.Described conference role attribute embodies for the role positioning and attribute characterizing corresponding participant in multimedia data stream, specifically comprise in conference organisations role, conference system control role and meeting card information one or more, such as, comprise the real time image collection of chairman in a certain road picture in meeting-place, then the conference role attribute of this multimedia data stream is " chairman ".Wherein, described multimedia data stream at least comprises the secondary flow that content is shared in the real-time pictures in a meeting-place or meeting, the content namely shared between meeting-place, such as, and secondary flow lantern slide, auxiliary streaming video, secondary flow picture etc.
Step 102: described media receiving apparatus sends media configuration messages to described media generator, and described media configuration messages carries the conference role attribute according to participant corresponding to described multimedia data stream, the multi-medium data traffic identifier of selection.
In this step, the selection of multimedia data stream can be that the conference role attribute of the participant that described in media receiving apparatus direct basis, multimedia data stream is corresponding is selected, and also can be pass through to have carried out selection alternately with meeting controlled entity.Such as, when conference terminal is as media receiving apparatus, according to the conference role attribute of the identification information of the multimedia data stream in the media announcement message that described media generator sends and participant corresponding to described multimedia data stream, send multimedia to Conference control entity and select option, comprising the identification information of each alternative multimedia data stream, and the conference role attribute of participant corresponding to each described multimedia data stream, complete the selection to the multimedia data stream that hope receives in a meeting for Conference control entity; Selection result is informed media receiving apparatus by Conference control entity; Then media receiving apparatus more accordingly selection result produce media configuration messages.Wherein, this Conference control entity can in integrated conference terminal, or independently equipment, such as, support the panel computer of Conference control.In the embodiment of the present invention, carried out the selection of multi-medium data traffic identifier by the conference role attribute of participant, can select according to the priority of role attribute, the rule that also can preset by receiving terminal is selected.
Step 103: described media receiving apparatus completes the foundation of the media transmission channel between described media generator, and the multimedia data stream corresponding with the multi-medium data traffic identifier of described selection being received the transmission of described media generator by described media transmission channel.
Particularly, in point-to-point meeting, direct communication between two meeting-place, do not need the participation of MCU, media announcement message is sent to the second conference terminal by the first conference terminal, in this kind of situation, only has the foundation of media transmission channel between the first conference terminal and the second conference terminal; In multipoint conference, generally the meeting-place communication of more than 3 or 3, need the intermediate treatment through MCU, control and the forwarding of multimedia data stream is carried out by MCU, now, there is the foundation of media transmission channel between the foundation of media transmission channel between the first conference terminal and MCU and MCU and the second conference terminal.
Such as, certain comprises in the Multi-Party Conference in Shenzhen, Beijing, Shanghai and Chengdu, wherein: meeting-place, Shenzhen can provide the multimedia data stream of three road immobilized substances, its mark and the conference role attribute value of correspondence are respectively spectators S-VC0(), S-VC1(chairman) and spectators S-VC2(); Meeting-place, Beijing also can provide the multimedia data stream of three road immobilized substances, and its mark and the conference role attribute value of correspondence are respectively spectators B-VC0(), spectators B-VC1() and B-VC2(meeting speaker); Meeting-place, Shanghai can provide the multimedia data stream of two-way immobilized substance, and the conference role attribute value of its mark and correspondence is respectively H-VC0(host) and spectators H-VC1(); Described each meeting-place and MCU, as media receiving apparatus, consult respectively with each described meeting-place alternately.MCU, as the media center of meeting, the media of comprehensive all participant sides can provide information and is advertised to each participant side.Such as Chengdu, can according to participant's role attribute of different data streams, selects to receive the multimedia data stream from each corresponding meeting-place, the S-VC1(chairman in such as Shenzhen), Pekinese B-VC2(meeting speaker) and the H-VC0(host in Shanghai).
In foregoing invention embodiment, media generator and media receiving apparatus can be the combination in any of conference terminal, Conference server MCU, specifically depend on practical application scene.Such as, when conference terminal sends multi-medium data to MCU, conference terminal is media generators, and MCU is media receiving apparatus; Conversely, when MCU sends multi-medium data to conference terminal, MCU is media generators, and conference terminal is media receiving apparatus; Directly connect between same existence two conference terminals and carry out point-to-point communication, at this moment in each transmission direction, media transmitter side is media generator, and the conference terminal of media receiver side is media receiving apparatus.
In embodiments of the present invention, by the conference role attribute corresponding according to multimedia data stream, described multimedia data stream is selected, set up media generator and the bipartite session of media receiving apparatus, realize described media receiving apparatus to select described multimedia data stream according to described conference role attribute, control the negotiation of multimedia data stream in multimedia conferencing targetedly and present, thus the controls transfer to meeting multimedia data stream can be completed under the condition of saving media processing resources and network transmission bandwidth.
It should be noted that, in all embodiments of the present invention, the conference role attribute of the participant that described multimedia data stream is corresponding comprises at least one or multiple of following information: the conference organisations role of the corresponding participant of described multimedia data stream, represents the responsibility post in conference organisations; The conference system control role of the corresponding participant of described multimedia data stream, represents the authority post in Conference control; The meeting business card of the corresponding participant of described multimedia data stream, represents the card information in social relationships.
Wherein, described conference organisations role is for providing the corresponding participant of described multimedia data stream the post in conference organisations, its concrete value can travel through the related definition in Current standards mechanism, and conference organisations role can be the design parameter that multimedia data stream arranges conference organisations role by input or the mode such as option selection by user.Conference organisations role can be such as:
Chairman (Chairman)-hold and agenda of presiding over the meeting, also claims host (moderator) or speaker (rapporteur) according to different occasion;
Vice-president (Vice-Chairman)-chairman contributor;
People safeguarded by secretary (Secretary)-meeting summary or document, also claims recorder (recorder) etc. according to different occasion;
Participant (Participant)-attend a meeting but do not have the people of other role, also claims spectators or audience;
Speechmaker (Speaker)-conference speed side;
Translation (Translator)-meeting-place different language translator;
Timekeeper (Timekeeper)-meeting timing.
Here, the priority of each conference role attribute can be set, if the priority of chairman is higher than vice-president, the priority of vice-president is higher than secretary, the priority of secretary is higher than speechmaker, the priority of speechmaker is higher than translation, and can certainly be that other priority are first suitable, this is not restricted for the embodiment of the present invention.If a corresponding multiple participant of multimedia data stream, comprise 2 participant's first and second in such as, a certain road video pictures in meeting simultaneously, wherein first is the chairman organized a meeting, second is meeting secretary, value location " chairman " of the conference role attribute of the participant that then this multimedia data stream is corresponding, the conference role attribute that the participant that also namely described multiple participant's medium priority is the highest is corresponding.If the conference role of a corresponding participant of multimedia data stream comprises more than one type value, the participant that such as certain picture is corresponding, the current speechmaker (Speaker) of meeting, also be simultaneously a surname speaker (Presenter) that material is shared in meeting, then should comprise above-mentioned all values in the conference role attribute of participant corresponding to described multimedia data stream.
Described conference system control role is for providing the corresponding personage of described multimedia data stream the post in Conference control, three classes be can at least comprise: a surname speaker (Presenter), controlling party (Controller) and spectators (Participant), the location in Conference control and target determined.Conference system control role can be passed through right of speech controlling mechanism (such as, Binary Floor Control Protocol, is called for short: BFCP agreement) and determine.
Described meeting business card, for providing the relevant card information of the corresponding personage of described multimedia data stream, can comprise the different information of a few class, such as, and mechanism, title, professional position and hoc meeting role etc.Such as, described media generator first can obtain the mark of related person in described multimedia data stream, and by application programming interface, (Application Programming Interface is called for short: API) interface inquires about the meeting business card of the mark correspondence obtaining described personage in interconnected system or in network.Use Internet Engineering Task group (Internet Engineering Task Force, is called for short: card printer system IETF) to be incorporated in multithread meeting and Media Stream binding, such as:
CSE1(VC1[vCARD1{syntax}],VC2[vCARD2{syntax}],VC3[vCARD3{synt?ax}])
CSE2(VC4[vCARD1{syntax},vCARD2{syntax},vCARD3{syntax}])
CSE3(AC1[vCARD1{syntax},vCARD2{syntax},vCARD3{syntax}])
Wherein, the information of vCARD can see (Request For Comments, the abbreviation: the RFC) classification of 6350: Identification Properties, Delivery addressing properties, Communications Properties, Geographical Properties, Organizational Properties, Explanatory Properties, Security Properties, Calendar Properties of requesting for comments.
The conference role attribute that described multimedia data stream is corresponding can also comprise meeting field information corresponding to described multimedia data stream, in the granularity of described multimedia data stream, can be that whole meeting-place rank increases meeting field information, such as: tripartite talks are held in Shenzhen and Guangzhou and meeting-place, three, Zhuhai, meeting field information can be bound by Media Stream corresponding to the conference terminal of meeting-place, Shenzhen end, such as " meeting-place, Shenzhen " etc., corresponding meeting negotiation mechanism is capturing scenes level attribute (Capture Scene Attribute).
It should be noted that, in all embodiments of the present invention, described media generator and described media receiving apparatus are the one in following conference facility: conference terminal or Conference server.
Embodiment two
Fig. 2 and Fig. 3 is the schematic flow sheet of the method for building up embodiment two of multimedia conferencing of the present invention.The embodiment of the present invention is on the basis of above-described embodiment, and after the media announcement message that described media receiving apparatus receiving media generator sends, as shown in Figure 2, described method can also comprise:
Step 201: described media receiving apparatus, according to the conference role attribute of participant corresponding to multimedia data stream, carries out the selection of multimedia data stream based on default rule.
When this execution mode is such as applicable to Conference server as media receiving apparatus, user can not be needed to participate in and select based on default rule, such as, based on the pre-set priority rule of conference role attribute, or the matched rule of conference role attribute and meeting terminal attribute, selects multimedia data stream.
Or as shown in Figure 3, described method can also comprise:
Step 301: described media receiving apparatus presents multimedia to Conference control entity and selects option, and described multimedia selects option to comprise the identification information of alternative multimedia data stream, and the conference role attribute that each described multimedia data stream is corresponding.
Particularly, described media receiving apparatus is by corresponding for conference role attribute corresponding with it for the identification information of each described multimedia data stream display; Or described media receiving apparatus is by each described multimedia data stream display, and in the viewing area of each multimedia data stream, show the conference role attribute corresponding to it.As previously mentioned, Conference control entity is operated by Conference control person, the conference role attribute of the multimedia data stream presented thereon, and Conference control person can be allowed to be the multimedia data stream that each media receiving apparatus is selected to receive based on conference role attribute.
Fig. 4 is the Conference control entity interface exemplary plot of the method for building up embodiment two of multimedia conferencing of the present invention.As shown in Figure 4, described media receiving apparatus provides multimedia to select option at users conference controlled entity interface for user, comprising:
1) multimedia data stream that can select of user, as shown in Figure 4: the first multimedia data stream 41, second multimedia data stream 42 and the 3rd multimedia data stream 43;
2) in each multimedia data stream, provide the attribute information that multimedia data stream is corresponding, comprise encoding and decoding and the resolution of multimedia data stream, as shown in Figure 4: H.264/1080P, VP8/720P and H.264/360P;
3) the conference role attribute of multimedia data stream, such as, shown in Fig. 4, conference organisations role: meeting speaker 411, chairman 421 and spectators 431; Conference control role: share explanation 412, Compliance control 422 and unshared side 432; Meeting business card: in Shenzhen one 413, Department of Education of Shanxi Province 423 and Zhuhai middle school 433.
User presses the multimedia data stream that option shown in Fig. 4 is selected to wish to receive, and preserves corresponding conference role attribute to determine follow-up broadcast strategy; Media receiving apparatus selects structure media configuration messages according to user, responds to media generator, thus completes the mutual of multimedia conferencing media configuration messages, and then set up media session.
Step 302: described media receiving apparatus obtains described Conference control entity and completes the selection of multimedia data stream and the selection result fed back.
In embodiments of the present invention, media receiving apparatus presents the identification information of multimedia data stream and the conference role attribute corresponding to it is selected for user, and by the result feedback of this selection to media generator, realize the multimedia data stream that user's conference role attribute corresponding according to multimedia data stream is selected to need to present targetedly, thus set up multimedia conferencing.
Embodiment three
Fig. 5 is the schematic flow sheet of the method for building up embodiment three of multimedia conferencing of the present invention.Embodiments provide a kind of method for building up of multimedia conferencing, the method can be performed by arbitrary media generator, and this media generator can pass through software and/or hardware implementing, can be conference terminal or Conference server.As shown in Figure 5, the method for the present embodiment comprises:
Step 501: media generator sends media announcement message to media receiving apparatus, described media set up in request message the multi-medium data traffic identifier carrying described media generator and can send, and the conference role attribute of participant corresponding to each multimedia data stream.
Particularly, media generator obtains multimedia data stream and conference role attribute corresponding to described multimedia data stream in each meeting-place, generate media announcement message, and send to media receiving apparatus according to described multimedia data stream and conference role attribute.
As previous embodiment introduced, media generator can be the conference terminal in point-to-point meeting, also can be the conference terminal in multipoint conference or MCU.
Step 502: described media generator receives the media configuration messages that described media receiving apparatus sends, carries the identification information of the multimedia data stream received according to described conference role Attributions selection in described media configuration messages.
Step 503: described media generator sets up the media transmission channel between described media receiving apparatus, and by the multimedia data stream of described media transmission channel selected by described media receiving apparatus transmission.
In embodiments of the present invention, media generator obtains the identification information of multimedia data stream and the conference role attribute corresponding to it, and carry obtained described identification information and conference role attribute setting up in each messaging of session flow process with media receiving apparatus, after realizing multimedia conferencing foundation, the negotiation realizing described multimedia data stream is targetedly selected, is controlled and present, to avoid the defect only presenting media stream code/decode and resolution in prior art in meeting negotiation mechanism.
On the basis of above-described embodiment, described media generator and described media receiving apparatus are the one in following conference facility: conference terminal or Conference server.
In a kind of scene of the embodiment of the present invention, described media generator is Conference server, the media announcement message that then media receiving apparatus receiving media generator sends can comprise: all multimedia data stream of described Conference server according to the conference terminal from all participant sides accessed by and conference role attribute thereof, structure media announcement message.Below be illustrated:
Such as, when Shenzhen and Guangzhou and Zhuhai tripartite talks, Conference server gathers the multimedia data stream got from tripartite meeting-place, and in tripartite's media announcement message, carry identification information and the self-corresponding conference role attribute of Qi Ge of the multimedia data stream group in tripartite meeting-place, and described identification information and conference role attribute are presented on the conference terminal in tripartite meeting-place, presenting on strategy for user provides foundation, such as, the participant in Shenzhen just can select the multimedia data stream in Guangzhou or Zhuhai to play.
On the basis of the above, the selection option of described multimedia data stream presenting layout and can realize in the following manner on Conference control entity: the list that each described multimedia data stream is provided, comprise identification information, corresponding conference role attribute, and other possible media stream content characteristic parameter; In the mode of picture preview, provide the preview screen of each described multimedia data stream, be aided with the introduction of identification information, corresponding conference role attribute; Or other layout type is intuitively selected for user.
Embodiment four
Fig. 6 is the structural representation of media receiving apparatus embodiment four of the present invention, and this media receiving apparatus can be conference terminal or Conference server.As shown in Figure 6, the media receiving apparatus of the present embodiment comprises: the first receiver module 61, first sending module 62 and the first processing module 63, wherein, the media announcement message that first receiver module 61 sends for receiving media generator, carry the identification information of the multimedia data stream that described media generator can send in described media announcement message, and the conference role attribute of participant corresponding to each multimedia data stream; First sending module 62 is for sending media configuration messages to described media generator, and described media configuration messages carries the role attribute according to participant corresponding to described multimedia data stream, the multi-medium data traffic identifier of selection.First processing module 63 for completing the foundation of the media transmission channel between described media generator, and receives the described multimedia data stream corresponding with the multi-medium data traffic identifier of described selection of described media generator transmission by described media transmission channel.
The media receiving apparatus of the present embodiment, may be used for the technical scheme performing embodiment of the method shown in Fig. 1, it realizes principle and technique effect is similar, repeats no more herein.
Further, the conference role attribute that described multimedia data stream is corresponding comprises at least one or multiple of following information:
The conference organisations role of the participant that described multimedia data stream is corresponding, to represent the responsibility post in conference organisations;
The conference system control role of the participant that described multimedia data stream is corresponding, represents the authority post in Conference control;
The meeting business card of the participant that described multimedia data stream is corresponding, represents the card information of described personage in social relationships.
Further, described media generator and described media receiving apparatus are the one in following conference facility: conference terminal or Conference server.
Embodiment five
Fig. 7 is the structural representation of media receiving apparatus embodiment five of the present invention, the media receiving apparatus of the present embodiment is on the basis of Fig. 6 shown device structure, described media receiving apparatus can also comprise: the second processing module 71, for the conference role attribute according to participant corresponding to described multimedia data stream, select multi-medium data traffic identifier; Or the second processing module 71 selects option for sending multimedia to Conference control entity, described multimedia selects option to comprise the identification information of the multimedia data stream that described first receiver module receives, and the conference role attribute of participant corresponding to each multimedia data stream; Receive the multi-medium data traffic identifier of the conference role Attributions selection according to described participant that described Conference control entity sends.
The media receiving apparatus of the embodiment of the present invention, may be used for the technical scheme of the method for building up embodiment performing above-mentioned any multimedia conferencing, it realizes principle and technique effect is similar, repeats no more herein.
Embodiment six
Fig. 8 is the structural representation of media generator embodiment six of the present invention, and this media generator can be conference terminal or Conference server.As shown in Figure 8, the media generator of the present embodiment comprises: the second sending module 81, second receiver module 82 and the 3rd processing module 83.
Wherein, second sending module 81 is for sending media announcement message to media receiving apparatus, described media announcement message carries the multi-medium data traffic identifier that described media generator can send, and the conference role attribute of participant corresponding to each multimedia data stream; Second receiver module 82, for receiving the media configuration messages that described media receiving apparatus sends, carries the conference role attribute according to participant corresponding to described multimedia data stream, the multi-medium data traffic identifier of selection in described media configuration messages; 3rd processing module 83, for setting up the media transmission channel between described media receiving apparatus, and sends multimedia data stream corresponding to the multi-medium data traffic identifier of described selection by described media transmission channel to described media receiving apparatus.
The media generator of the present embodiment, may be used for the technical scheme performing embodiment of the method shown in Fig. 5, it realizes principle and technique effect is similar, repeats no more herein.
Further, the conference role attribute that described multimedia data stream is corresponding comprises at least one or multiple of following information:
The conference organisations role of the participant that described multimedia data stream is corresponding, to represent the responsibility post in conference organisations;
The conference system control role of the participant that described multimedia data stream is corresponding, represents the authority post in Conference control;
The meeting business card of the participant that described multimedia data stream is corresponding, represents the card information of described personage in social relationships.
Further, described media generator and described media receiving apparatus are the one in following conference facility: conference terminal or Conference server.
Further, when described media generator is Conference server, the second sending module, specifically for all multimedia data streams accessed by the conference terminal from all participant sides and conference role attribute thereof, builds media announcement message.
Embodiment seven
Fig. 9 is the structural representation of media receiving apparatus embodiment seven of the present invention, and this media receiving apparatus can be conference terminal or Conference server.As shown in Figure 9, the media receiving apparatus 90 of the embodiment of the present invention can comprise: transceiver 91 and processor 92.
Wherein, the media announcement message that transceiver 91 sends for receiving media generator, the identification information of the multimedia data stream that described media generator can send is carried in described media announcement message, and the conference role attribute of participant corresponding to each multimedia data stream; And send media configuration messages to described media generator, described media configuration messages carries the role attribute according to participant corresponding to described multimedia data stream, the multi-medium data traffic identifier of selection; Processor 92 for completing the foundation of the media transmission channel between described media generator, and receives the described multimedia data stream corresponding with the multi-medium data traffic identifier of described selection of described media generator transmission by described media transmission channel.
It should be noted that, the transceiver provided in all embodiments of the present invention can be made up of separate transmitter and receiver, and also can be the device with reception and sending function be coupled, the present invention be as limit.
Further, the conference role attribute that described multimedia data stream is corresponding comprises at least one or multiple of following information: the conference organisations role of corresponding personage in described multimedia data stream, represents the responsibility post in conference organisations; The conference system control role of the participant that described multimedia data stream is corresponding, represents the authority post in Conference control; The meeting business card of the participant that described multimedia data stream is corresponding, represents the card information of participant in social relationships.
Further, described media generator and described media receiving apparatus are the one in following conference facility: conference terminal or Conference server.
Further, described processor 92 also for the conference role attribute according to multimedia data stream, carries out the selection of multimedia data stream based on default rule; Or described processor 92 also selects option for presenting multimedia to Conference control entity, and described multimedia selects option to comprise the identification information of alternative multimedia data stream, and the conference role attribute that each described multimedia data stream is corresponding; Obtain described Conference control entity and complete the selection of multimedia data stream and the selection result fed back.
This device can be specially the method step performing described media receiving apparatus side, and the step in conjunction with the method disclosed in the embodiment of the present invention can directly be presented as that hardware device is complete, or combines complete by hardware and software module.Software module can be arranged in the storage medium of this area maturations such as random asccess memory, flash memory, read-only memory or register.
The embodiment of the present invention is selected described multimedia data stream by the conference role attribute corresponding according to multimedia data stream, and present selected multimedia data stream by media receiving apparatus, set up media generator and the bipartite session of media receiving apparatus, realize described media receiving apparatus and carry out selection control according to described conference role attribute to described multimedia data stream, the negotiation controlling multimedia data stream in multimedia conferencing is targetedly selected, is controlled and present.
Embodiment eight
Figure 10 is the structural representation of media generator embodiment eight of the present invention, and this media generator can be conference terminal or Conference server.As shown in Figure 10, the media generator 100 of the present embodiment can comprise: transceiver 11 and processor 12.
Wherein, transceiver 11 is for sending media announcement message to media receiving apparatus, described media set up in request message the identification information carrying the multimedia data stream that described media generator can send, and the conference role attribute of participant corresponding to each multimedia data stream; And, receive the media configuration messages that described media receiving apparatus sends, carry the conference role attribute according to participant corresponding to described multimedia data stream in described media configuration messages, the multi-medium data traffic identifier of selection; Processor 12 for setting up the media transmission channel between described media receiving apparatus, and sends multimedia data stream corresponding to the multi-medium data traffic identifier of described selection by described media transmission channel to described media receiving apparatus.
Further, the conference role attribute that described multimedia data stream is corresponding comprises at least one or multiple of following information: the conference organisations role of corresponding participant in described multimedia data stream, represents the responsibility post in conference organisations; The conference system control role of the corresponding participant of described multimedia data stream, represents the authority post in Conference control; The meeting business card of the corresponding participant of described multimedia data stream, represents the card information of described personage in social relationships.
Further, described media generator and described media receiving apparatus are the one in following conference facility: conference terminal or Conference server.
Further, when described media generator 100 is Conference server, transceiver 11 specifically may be used for, according to from all multimedia data streams accessed by the conference terminal of all participant sides and conference role attribute thereof, building media announcement message.
The embodiment of the present invention is by obtaining the identification information of multimedia data stream and the conference role attribute corresponding to it, and carry obtained described identification information and conference role attribute setting up in each messaging of session flow process with media receiving apparatus, after realizing multimedia conferencing foundation, the negotiation controlling multimedia data stream in multimedia conferencing is targetedly selected, is controlled and present, to avoid the defect only presenting media stream code/decode and resolution in prior art in meeting negotiation mechanism.
Embodiment nine
Figure 11 is the structural representation setting up system embodiment nine of multimedia conferencing of the present invention, and as shown in figure 11, the system of setting up 110 of this multimedia conferencing comprises: media generator 111 and media receiving apparatus 112.
Media generator 111 and media receiving apparatus 112 can respectively see the embodiments shown in Fig. 6 or Fig. 7, or media generator 111 and media receiving apparatus 112 can distinguish embodiment shown in Figure 8.
One of ordinary skill in the art will appreciate that: all or part of step realizing above-mentioned each embodiment of the method can have been come by the hardware that program command is relevant.Aforesaid program can be stored in a computer read/write memory medium.This program, when performing, performs the step comprising above-mentioned each embodiment of the method; And aforesaid storage medium comprises: ROM, RAM, magnetic disc or CD etc. various can be program code stored medium.
Last it is noted that above each embodiment is only in order to illustrate technical scheme of the present invention, be not intended to limit; Although with reference to foregoing embodiments to invention has been detailed description, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein some or all of technical characteristic; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the scope of various embodiments of the present invention technical scheme.
Claims (14)
1. a method for building up for multimedia conferencing, is characterized in that, comprising:
The media announcement message that media receiving apparatus receiving media generator sends, described media announcement message carries the multi-medium data traffic identifier that described media generator can send, and the conference role attribute of participant corresponding to each multimedia data stream;
Described media receiving apparatus sends media configuration messages to described media generator, and described media configuration messages carries the role attribute according to participant corresponding to described multimedia data stream, the multi-medium data traffic identifier of selection;
Described media receiving apparatus completes the foundation of the media transmission channel between described media generator, and receives the multimedia data stream corresponding with the multi-medium data traffic identifier of described selection of described media generator transmission by described media transmission channel.
2. method according to claim 1, is characterized in that, the conference role attribute of the participant that described multimedia data stream is corresponding comprises one or more of following information:
The conference organisations role of the participant that described multimedia data stream is corresponding, to represent the responsibility post in conference organisations;
The conference system control role of the participant that described multimedia data stream is corresponding, to represent the authority post in Conference control.
3. method according to claim 1 and 2, is characterized in that, if a corresponding multiple participant of multimedia data stream, then the conference role attribute of the participant that a described multimedia data stream is corresponding is:
The conference role attribute that the participant that described multiple participant's medium priority is the highest is corresponding.
4. method according to claim 1, is characterized in that, described media receiving apparatus comprises before sending media configuration messages to described media generator further:
Described media receiving apparatus, according to the conference role attribute of participant corresponding to described multimedia data stream, selects multi-medium data traffic identifier.
5. method according to claim 1, is characterized in that, described media receiving apparatus comprises before sending media configuration messages to described media generator further:
Described media receiving apparatus sends multimedia to Conference control entity and selects option, the multi-medium data traffic identifier that described multimedia is selected option to comprise described media receiving apparatus to receive, and the conference role attribute of participant corresponding to each multimedia data stream;
Described media receiving apparatus receives the multi-medium data traffic identifier of the conference role Attributions selection according to described participant that described Conference control entity sends.
6. a media receiving apparatus, is characterized in that, comprising:
First receiver module, for the media announcement message that receiving media generator sends, the multi-medium data traffic identifier that described media generator can send is carried in described media announcement message, and the conference role attribute of participant corresponding to each multimedia data stream;
First sending module, for sending media configuration messages to described media generator, described media configuration messages carries the role attribute according to participant corresponding to described multimedia data stream, the multi-medium data traffic identifier of selection;
First processing module, for completing the foundation of the media transmission channel between described media generator, and received the described multimedia data stream corresponding with the multi-medium data traffic identifier of described selection of described media generator transmission by described media transmission channel.
7. media receiving apparatus according to claim 6, is characterized in that, the conference role attribute of the participant that described multimedia data stream is corresponding comprises one or more of following information:
The conference organisations role of the participant that described multimedia data stream is corresponding, to represent the responsibility post in conference organisations;
The conference system control role of the participant that described multimedia data stream is corresponding, to represent the authority post in Conference control.
8. the media receiving apparatus according to claim 6 or 7, is characterized in that, if a corresponding multiple participant of multimedia data stream, then the conference role attribute of the participant that a described multimedia data stream is corresponding is:
The conference role attribute that the participant that described multiple participant's medium priority is the highest is corresponding.
9. media receiving apparatus according to claim 6, is characterized in that, described media receiving apparatus also comprises:
Second processing module, for the conference role attribute according to participant corresponding to described multimedia data stream, selects multi-medium data traffic identifier.
10. media receiving apparatus according to claim 6, is characterized in that, described media receiving apparatus also comprises:
Second processing module, option is selected for sending multimedia to Conference control entity, described multimedia selects option to comprise the identification information of the multimedia data stream that described first receiver module receives, and the conference role attribute of participant corresponding to each multimedia data stream; Receive the multi-medium data traffic identifier of the conference role Attributions selection according to described participant that described Conference control entity sends.
11. 1 kinds of media generators, is characterized in that, comprising:
Second sending module, for sending media announcement messages to media receiving apparatus, described media announcement message carries the multi-medium data traffic identifier that described media generator can send, and the conference role attribute of participant corresponding to each multimedia data stream;
Second receiver module, for receiving the media configuration messages that described media receiving apparatus sends, carries the conference role attribute according to participant corresponding to described multimedia data stream, the multi-medium data traffic identifier of selection in described media configuration messages;
3rd processing module, for setting up the media transmission channel between described media receiving apparatus, and sends multimedia data stream corresponding to the multi-medium data traffic identifier of described selection by described media transmission channel to described media receiving apparatus.
12. media generators according to claim 11, is characterized in that, the conference role attribute of the participant that described multimedia data stream is corresponding comprises one or more of following information:
The conference organisations role of the participant that described multimedia data stream is corresponding, to represent the responsibility post in conference organisations;
The conference system control role of the participant that described multimedia data stream is corresponding, represents the authority post in Conference control.
13. media generators according to claim 11 or 12, is characterized in that, if a corresponding multiple participant of multimedia data stream, then the conference role attribute of the participant that a described multimedia data stream is corresponding is:
The conference role attribute that the participant that described multiple participant's medium priority is the highest is corresponding.
14. 1 kinds of multimedia conferencings set up system, it is characterized in that, comprising:
Media receiving apparatus as described in any one of claim 6-10 and the media generator as described in any one of claim 11-13.
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| CN201310284623.1A CN104283857A (en) | 2013-07-08 | 2013-07-08 | Method, device and system for creating multimedia conference |
| PCT/CN2014/078126 WO2015003532A1 (en) | 2013-07-08 | 2014-05-22 | Multimedia conferencing establishment method, device and system |
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| CN201310284623.1A CN104283857A (en) | 2013-07-08 | 2013-07-08 | Method, device and system for creating multimedia conference |
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