CN101646056B - Method, device and system for realizing cooperative work between video conference and data conference - Google Patents
Method, device and system for realizing cooperative work between video conference and data conference Download PDFInfo
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Abstract
The invention discloses a method, a device and a system for realizing cooperative work between video conferences and data conferences, wherein the method comprises the following steps: sending a data collaboration result in a data conference to a video conference, and displaying the data collaboration result in the video conference. The device comprises a receiving unit used for receiving the data collaboration result in the data conference and a sending unit used for sending the data collaboration result to the video conference. The method, the system and the device provided by the embodiment of the invention can reduce the number of data conference terminals and can display the data collaboration result of each conventioner which has the data conference terminals in the data conference at video conference terminals.
Description
Technical field
The present invention relates to the communication technology, relate in particular to a kind of method, Apparatus and system of realizing video conference and data conferencing collaborative work.
Background technology
Video conference mainly is that the mode with voice and image realizes long-range aspectant the interchange.Data conferencing is to be core with the data interchange, by computer realization real time remote document and information interchange.In many instances, meeting need be set up the collaborative work with data conferencing, to adapt to user's request, as long-distance education, telecommuting etc.The collaborative work of data conferencing and video conference refers in video conference, carries out data such as application program is shared, file transfer and uses.
Data conferencing can provide the collaboration data of following form.
(1) application program is shared: the meeting participant can give other meeting participants operating in a procedure sharing on the computer.Other meeting participants can edit and control this program in turn, and need not set up applications on the computer of oneself.
(2) file transfer: the meeting participant can select to send to several or all meeting participants to file.File transmits and can carry out on the backstage, other data conferencing business such as the meeting participant can carry out simultaneously that application program is shared, electronic whiteboard or remote chat.
(3) electronic whiteboard: electronic whiteboard is a multipage face, multi-user's a picture application program, and the meeting participant can delineate sketch or mechanism's chart with other meeting participants jointly by the operation of clicking and pulling.
(4) remote chat: the meeting participant can exchange with other meeting participants by the mode of keying in Word message.
Two kinds of modes that realize video conference and data conferencing collaborative work are arranged at present, and a kind of implementation is: video conference and data conferencing are independent fully, and data flow is separated with video-voice frequency flow, separately occupied bandwidth.Be illustrated in figure 1 as video conference and data conferencing cooperative operation system structural representation in the prior art, each video conference terminal is by multipoint control unit (Multi-point Control Unit, be called for short MCU) control, each data conferencing terminal is controlled by Data Conference Server, two conference systems can work alone separately, also can to meeting hold and process such as end is carried out Collaborative Control.In order to realize the flexibility of shared data and sharing application, the terminal in the data conferencing mostly is the software terminal on the computer.And video conference is higher to looking the Audio Processing Capability Requirement, so the terminal in the video conference mostly is specialized apparatus.Though the function of the part software terminal is integrated data conferencing terminal and video conference terminal, the Audio Processing ability of looking of software terminal is low, can't guarantee the video effect of video conference.In order to reach video effect preferably, just need the user to possess video conference terminal and this two locking terminal of data conferencing terminal respectively, improved terminal equipment requirement to the user.
The collaborative work mode of another kind of video conference and data conferencing is: double-current video load mode.Be illustrated in figure 2 as double-current videoconference system architecture schematic diagram in the prior art, the two-path video data-signal is obtained in the video terminal support simultaneously, one the tunnel is the image of being caught by camera, be commonly referred to as the main flow signal, another road is by information such as the desktop of the computer of digital port input or films, is called auxilliary stream signal.When MCU called a meeting, video conference terminal A sent to MCU after the two-path video input signal that obtains is encoded respectively, and MCU is transmitted to the two-path video code stream that receives other participant video conference terminal again.Other video conference terminal is encoded respectively after receiving two-path video code stream from MCU, and by corresponding display equipment output main stream signal and auxilliary stream signal respectively.
For the two video streaming load mode, auxilliary stream signal is used as a video source data and is shown to other video conference terminal from a video conference terminal by the mode of broadcasting, the recipient can only show the video content in the auxilliary stream signal, but can't carry out co-operation to same data with other participant sides in the video conference, for example, can't finish of editor or the modification of a plurality of participant sides to same document.
Summary of the invention
The embodiment of the invention is at problems of the prior art, a kind of method, Apparatus and system of realizing video conference and data conferencing collaborative work is provided, can reduce the quantity of data conferencing terminal, and can show the result of the collaboration data that each the participant side possess the data conferencing terminal carries out in data conferencing at video conference terminal.
The embodiment of the invention provides a kind of method that realizes video conference and data conferencing collaborative work, comprising:
Receive the result of the collaboration data of the Data Conference Server transmission in the described data conferencing;
Convert the result of described collaboration data to can in described video conference, transmit code stream;
Described code stream is sent in the described video conference; The result of described collaboration data is shown in video conference.
The embodiment of the invention also provides a kind of DTU (Data Transfer unit), comprising:
Receiving element is used for receiving the result of the collaboration data of data conferencing;
Decoding unit, the result who is used for described collaboration data that described receiving element is received decodes according to the agreement of data conferencing;
Coding unit is used for the agreement through the data based video conference after the described decoding unit decodes is encoded into the code stream that can transmit in described video conference;
Transmitting element is used for and will sends to video conference through the code stream after the described coding unit coding.
The embodiment of the invention also provides a kind of system that realizes video conference and data conferencing collaborative work, comprises data conferencing system and video conferencing system, also comprises DTU (Data Transfer unit) as previously described;
Described DTU (Data Transfer unit) respectively with described data conferencing system in Data Conference Server be connected with multipoint control unit in the described video conferencing system;
Perhaps described DTU (Data Transfer unit) is arranged in the described multipoint control unit, is connected with Data Conference Server in the described data conferencing;
Perhaps described DTU (Data Transfer unit) is arranged in the Data Conference Server in the described data conferencing system, is connected with multipoint control unit in the described video conference.
In the embodiment of the invention, after setting up data conferencing and video conference respectively, the result of collaboration data in the data conferencing is sent to video conference, like this, in video conference each video conference terminal just can the video data meeting in each participant side carry out result after the collaboration data, rather than as the result that can only show in the prior art two that auxilliary stream signal supplying is operated data.And, send to video conference by result with collaboration data in the data conferencing, can reduce the quantity of data conferencing terminal like this, because can carry out participant side's one side configuration data conference terminal of the collaboration data in the data conferencing at needs, other do not need the participant Fang Ze that carries out collaboration data not need the configuration data conference terminal, but the participant side that possesses video conference terminal can see and the result of collaboration data in the data conferencing realized the co-operation of video conference and data conferencing.
Below by drawings and Examples, technical scheme of the present invention is described in further detail.
Description of drawings
Figure 1 shows that video conference and data conferencing cooperative operation system structural representation in the prior art;
Figure 2 shows that double-current videoconference system architecture schematic diagram in the prior art;
Figure 3 shows that the present invention realizes method embodiment one flow chart of video conference and data conferencing collaborative work;
Figure 4 shows that DTU (Data Transfer unit) embodiment one structural representation of the present invention;
Figure 5 shows that DTU (Data Transfer unit) embodiment two structural representations of the present invention;
Figure 6 shows that the present invention realizes the structural representation of video conference and the crew-served system embodiment one of data conferencing;
Figure 7 shows that the present invention realizes the structural representation of video conference and the crew-served system embodiment two of data conferencing;
Figure 8 shows that the present invention realizes the structural representation of video conference and the crew-served system embodiment three of data conferencing.
Embodiment
Be illustrated in figure 3 as method embodiment one flow chart that the present invention realizes video conference and data conferencing collaborative work, comprise:
Among the inventive method embodiment one, after setting up data conferencing and video conference respectively, the result of collaboration data in the data conferencing is sent to video conference, like this, in video conference each video conference terminal just can the video data meeting in each participant side carry out result after the collaboration data, rather than can only show the result that auxilliary stream signal supplying is operated data as double-current video load mode in the prior art.And, send to video conference by result with collaboration data in the data conferencing, can reduce the quantity of data conferencing terminal like this, because can carry out participant side's one side configuration data conference terminal of the collaboration data in the data conferencing at needs, other do not need the participant Fang Ze that carries out collaboration data not need the configuration data conference terminal, but the participant side that possesses video conference terminal can see and the result of collaboration data in the data conferencing realized the co-operation of video conference and data conferencing.In addition, the mode that works alone for video conference described in the prior art and data conferencing, because data conferencing relatively is fit to mini-session, can cause the also mini-sessions that are applicable to of the system that realizes video conference and data conferencing collaborative work more, in the embodiment of the invention one, owing to can pass through in video conference the result of collaboration data in the video data meeting, carry out the application of collaboration data so can realize part participant meeting, all participant users can watch the result of collaboration data, have enlarged the occasion of video conference and data conferencing independent utility.
Embodiment as shown in Figure 3 can also comprise: convert in the data conferencing first control information of in the video conference video source data being controlled to second control information that the result to the data cooperation controls; The result who data is cooperated according to second control information carries out control operation.Wherein, convert in the data conferencing first control information of in the video conference video source data being controlled the step of second control information that the result to the data cooperation controls to, also can realize by DTU (Data Transfer unit).
Be illustrated in figure 4 as DTU (Data Transfer unit) embodiment one structural representation of the present invention, this DTU (Data Transfer unit) 1 receiving element 11a and transmitting element 11d, receiving element 11a is used for receiving the result of the collaboration data of data conferencing, transmitting element 11d is connected with receiving element 11a, and the result who is used for collaboration data that receiving element 11a is received sends to video conference.
Be illustrated in figure 5 as DTU (Data Transfer unit) embodiment two structural representations of the present invention, this DTU (Data Transfer unit) is compared with Fig. 4 has increased decoding unit 11b and coding unit 11c, decoding unit 11b is connected with coding unit 11c with receiving element 11a respectively, and coding unit 11c is connected with transmitting element 11d.Wherein, the decoding unit 11b result that is used for collaboration data that receiving element 11a is received decodes according to the agreement of data conferencing; Coding unit 11c is used for the agreement through the decoded data based video conference of decoding unit 11b is encoded into the code stream that can transmit in video conference; Transmitting element 11d also is used for and will sends to video conference through the code stream after the coding unit 11c coding.
DTU (Data Transfer unit) 1 among Fig. 5 can also comprise control transformation unit 11e, and control transformation unit 11e is connected with transmitting element 11d with receiving element 11a respectively; Wherein, receiving element 11a also is used for first control information that the receiver, video meeting is controlled video source data; Control transformation unit 11e is used for converting first control information that receiving element 11a receives to second control information that data conferencing is controlled the result of data cooperations; Transmitting element 11d also is used for second control information that control transformation unit 11e converts to is sent to data conferencing.
Describe the operation principle of DTU (Data Transfer unit) as shown in Figure 5 below in detail.
Receiving element receives the result of collaboration data in the data conferencing, receiving element can receive the result of the collaboration data of the Data Conference Server transmission in the data conferencing system, decoding unit is decoded the result of the collaboration data that receiving element receives according to the agreement in the data conferencing, the code stream that coding unit becomes can transmit in video conference with the protocol code in the data based video conference after the decoding unit decodes, to send to video conferencing system through the code stream after the coding unit coding by transmitting element then, for example can send to the MCU in the video conferencing system.
T.120 be the agreement in order to carry out the distribution of file and pictorial information in many ways in the multimedia conferencing in real time at, data conferencing carries out based on agreement T.120 usually.Video conference is carried out based on agreement H.323 usually.The result of collaboration data meets the T.120 data of agreement in the data conferencing, in the result who sends collaboration data during to MCU, DTU (Data Transfer unit) need be converted into and meet the H.323 code stream of agreement, so need become the code stream that can transmit with the result of collaboration data by coding unit and decoding unit in video conference according to the protocol conversion in the video conference.
MCU is used as the DTU (Data Transfer unit) transmitted stream as a kind of video source data, and just video conferencing system has been used as DTU (Data Transfer unit) as a video source.For the participant side that is not equipped with the data conferencing terminal, if do not possess auxilliary stream function, DTU (Data Transfer unit) can be chosen as a video source, selection shows the DTU (Data Transfer unit) transmitted stream at video conference terminal, like this, the result of collaboration data in the data conferencing just can watch in the participant side in the video conference.For the participant side that is not equipped with the data conferencing terminal, if possess auxilliary stream function, then can watch live image in the video conference, watch the result of collaboration data in the data conferencing by auxilliary stream by main flow, with the DTU (Data Transfer unit) transmitted stream as the auxilliary a kind of video source data that flows.
In the video conferencing system of prior art, can amplify, dwindle, move, use operations such as switching by video conference terminal to video source, for example can carry out based on the Remote Camera control protocol in the video conferencing system (Far-End Camera control is called for short FECC).The operation of collaboration data in the corresponding operation conversion paired data meeting in the video conference protocol so just can be able to be passed through the simple operations of video conference terminal realization to collaboration data result in the data meeting.For example, can the amplifieroperation of collaboration data result in the paired data meeting will be changed to the amplifieroperation of video source data in the video conference.To be used in the embodiment of the invention information that the video source data of video conference is controlled is called first control information, and for example, send to the information that is used to realize the amplified video source data of MCU in the video conference, be exactly a kind of first control information; To be used for the information that the result to the collaboration data of data meeting controls and be called second control information, and for example, send to result's the information that is used to realize the amplification data cooperation of Data Conference Server in the data conferencing, be exactly a kind of second control information.Because first control information is different with the agreement that second control information is followed, so need convert first control information to second control information.First control information of in the meeting of receiving element receiver, video video source data being controlled, the control transformation unit converts in the data conferencing first control information to second control information that the result to the data cooperation controls, transmitting element sends to data conferencing with second control information, so just the corresponding operation in the video conference protocol has been converted to the operation to collaboration data in the data meeting.
Then can be for the participant side that has been equipped with data conferencing terminal and video conference terminal simultaneously according to the method identical with prior art one, realize collaboration data by the data conferencing terminal, carry out the video/audio code stream transmission by video conference, realize the co-operation of data conferencing and video conference.
As can be seen, it is not that each participant side all needs to be equipped with simultaneously video conference terminal and two kinds of terminals of data conferencing terminal that the result who adopts DTU (Data Transfer unit) that data conferencing is cooperated sends to video conference, for the participant side that must carry out collaboration data by the data conferencing terminal, can be equipped with two kinds of terminals simultaneously, but do not need to carry out the participant side of collaboration data for other, also can watch the result of collaboration data in the data conferencing by video conference terminal, also can realize the co-operation of video conference and data conferencing.
Be illustrated in figure 6 as the structural representation that the present invention realizes video conference and the crew-served system embodiment one of data conferencing, comprise video conferencing system 2 and data conferencing system 3 in this system, video conferencing system 2 comprises MCU21, first video conference terminal 22, second video conference terminal 23, the 3rd video conference terminal 24 (for convenience of explanation, three video conference terminals only draw among Fig. 6 of the present invention), data conferencing system 3 comprises Data Conference Server 31, the first data conferencing terminal 32, the second data conferencing terminal 32 (for convenience of explanation, two data conference terminals only draw among Fig. 6 of the present invention), also comprise DTU (Data Transfer unit) 1.Wherein, DTU (Data Transfer unit) 1 is connected with Data Conference Server 31 with MCU21 respectively, and each video conference terminal all is connected with MCU21, and each data conferencing terminal all is connected with Data Conference Server 31; MCU21 is the nucleus module in the video conference, be responsible for control and manage each video conference terminal, Data Conference Server 31 is nucleus modules of data conferencing, be responsible for control and manage each data conferencing terminal, DTU (Data Transfer unit) 1 is used for result with data conferencing system collaboration data and sends to MCU21 in the video conferencing system, MCU21 transmits as a video source data result of the collaboration data that DTU (Data Transfer unit) 1 sends in video conference, like this result of collaboration data in each video conference terminal just can the video data meeting.
Be illustrated in figure 7 as the structural representation that the present invention realizes video conference and the crew-served system embodiment two of data conferencing, among this embodiment, DTU (Data Transfer unit) 1 be arranged among the MCU21, DTU (Data Transfer unit) connects in Data Conference Server 31.This DTU (Data Transfer unit) 1 can with MCU21 in be used for the store video source data module be connected.In the prior art video conferencing system, video conference terminal can be selected (for example to show a plurality of video source, computer, video camera etc.) data, the module that is used for the store video source data promptly are the data of each video source to be stored for each terminal of video conference select to show.The module that is used for the store video source data can show the result of the collaboration data of data conferencing as video source.
Be illustrated in figure 8 as the structural representation that the present invention realizes video conference and the crew-served system embodiment three of data conferencing, among this embodiment, DTU (Data Transfer unit) is arranged in the Data Conference Server 31, and DTU (Data Transfer unit) 1 is connected with MCU21.
In Fig. 6, Fig. 7 and the system shown in Figure 8, DTU (Data Transfer unit) 1 can be the DTU (Data Transfer unit) among aforementioned each embodiment of the present invention.
In the embodiment of the invention, after setting up data conferencing and video conference respectively, the result of collaboration data in the data conferencing is sent to video conference, like this, in video conference each video conference terminal just can the video data meeting in each participant side carry out result after the collaboration data, rather than can only show the result that auxilliary stream signal supplying is operated data as double-current video load mode in the prior art.And, send to video conference by result with collaboration data in the data conferencing, can reduce the quantity of data conferencing terminal, can be for the participant that does not possess the data conferencing terminal to watch the result of collaboration data in the data conferencing by video conference terminal.
One of ordinary skill in the art will appreciate that: all or part of step that realizes said method embodiment can be finished by the relevant hardware of program command, aforesaid program can be stored in the computer read/write memory medium, this program is carried out the step that comprises said method embodiment when carrying out; And aforesaid storage medium comprises: various media that can be program code stored such as ROM, RAM, magnetic disc or CD.
It should be noted that at last: above embodiment only in order to technical scheme of the present invention to be described, is not intended to limit; Although with reference to previous embodiment the present invention is had been described in detail, those of ordinary skill in the art is to be understood that: it still can be made amendment to the technical scheme that aforementioned each embodiment put down in writing, and perhaps part technical characterictic wherein is equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution break away from the spirit and scope of various embodiments of the present invention technical scheme.
Claims (7)
1. a method that realizes video conference and data conferencing collaborative work is characterized in that, comprising:
Receive the result of the collaboration data of the Data Conference Server transmission in the described data conferencing;
Convert the result of described collaboration data to can in described video conference, transmit code stream;
Described code stream is sent in the described video conference;
The result of described collaboration data is shown in video conference.
2. the method for realization video conference according to claim 1 and data conferencing collaborative work is characterized in that, the result of described collaboration data is shown specifically comprise in video conference:
The result of described collaboration data is shown in video conference as video source data.
3. the method for realization video conference according to claim 2 and data conferencing collaborative work is characterized in that, also comprises:
Convert in the data conferencing first control information of in the video conference video source data being controlled to second control information that the result to the data cooperation controls;
According to described second control information result of described collaboration data is carried out control operation.
4. a DTU (Data Transfer unit) is characterized in that, comprising:
Receiving element is used for receiving the result of the collaboration data of data conferencing;
Decoding unit, the result who is used for described collaboration data that described receiving element is received decodes according to the agreement of data conferencing;
Coding unit is used for the agreement through the data based video conference after the described decoding unit decodes is encoded into the code stream that can transmit in described video conference;
Transmitting element is used for and will sends to video conference through the code stream after the described coding unit coding.
5. DTU (Data Transfer unit) according to claim 4 is characterized in that, also comprises the control transformation unit;
Described receiving element also is used for receiving first control information that described video conference is controlled video source data;
Described control transformation unit is used for converting described first control information that described receiving element receives to second control information that data conferencing is controlled the result of data cooperations;
Described transmitting element also is used for second control information that described control transformation cell translation becomes is sent to data conferencing.
6. a system that realizes video conference and data conferencing collaborative work comprises data conferencing system and video conferencing system, it is characterized in that, also comprises as the described DTU (Data Transfer unit) of arbitrary claim in claim 4 or 5;
Described DTU (Data Transfer unit) respectively with described data conferencing system in Data Conference Server be connected with multipoint control unit in the described video conferencing system;
Perhaps described DTU (Data Transfer unit) is arranged in the described multipoint control unit, is connected with Data Conference Server in the described data conferencing;
Perhaps described DTU (Data Transfer unit) is arranged in the Data Conference Server in the described data conferencing system, is connected with multipoint control unit in the described video conference.
7. system according to claim 6 is characterized in that, described video conferencing system is used for the result of described collaboration data is shown in video conference as video source data.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103843323B (en) * | 2012-09-29 | 2017-06-20 | 华为技术有限公司 | A kind of multimedia conference realization method, relevant device and system |
| CN103281509B (en) * | 2013-05-29 | 2016-08-10 | 华为技术有限公司 | A kind of video conference optimizes display packing and device |
| KR20200108110A (en) * | 2013-07-25 | 2020-09-16 | 인터디지털 씨이 페이튼트 홀딩스 | Method and device for displaying objects |
| CN104580275B (en) * | 2013-10-11 | 2019-01-18 | 华为技术有限公司 | Cross-system data sharing method, secondary flow gateway, Conference server and controller |
| CN104363409B (en) * | 2014-11-26 | 2017-11-28 | 苏州科达科技股份有限公司 | Realize the video conference method and system synchronous with data conferencing |
| EP3293955A4 (en) * | 2015-05-07 | 2018-03-21 | Ricoh Company, Ltd. | Information processing device, information processing method and information processing program |
| CN110719431A (en) * | 2018-07-13 | 2020-01-21 | 中兴通讯股份有限公司 | Method, device and system for processing documents of video conference and storage medium |
| CN112995569B (en) * | 2019-12-16 | 2023-11-28 | 中兴通讯股份有限公司 | Conference creation method, terminal, server side and storage medium |
| CN112312223A (en) * | 2020-04-30 | 2021-02-02 | 北京字节跳动网络技术有限公司 | Information display method and device and electronic equipment |
| CN112839243B (en) * | 2020-12-30 | 2023-04-18 | 苏州科达科技股份有限公司 | Code stream transfer method and device, electronic equipment and storage medium |
| CN113709406B (en) * | 2021-10-27 | 2022-03-08 | 广州朗国电子科技股份有限公司 | Software collaboration method, system and storage medium for Hongmon conference all-in-one machine |
| CN115277649A (en) * | 2022-06-30 | 2022-11-01 | 钉钉(中国)信息技术有限公司 | Method and device for collaboratively editing document in multimedia conference scene |
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