CN101291417A - Polling method and system for videoconference system - Google Patents
Polling method and system for videoconference system Download PDFInfo
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Abstract
The invention discloses a polling method and a polling system of a videoconference system, relating to the videoconference field. The polling method of the videoconference system provided by the invention comprises the following steps that: in the process that a user starts the polling operation of the videoconference system, after grouping all polled terminals, the user orderly initiates polling requests for each group of polled terminals; a system receiving the polling requests synthesizes the video data of each group of polled terminals respectively into multi-picture video data and sends the multi-picture video data to a polling terminals; after receiving the multi-picture video data, the polling terminal orderly decodes and display, so as to realize multi-picture video polling. The invention also discloses a system for realizing polling in the videoconference system. A technical proposal of the invention shortens the traversal time of the video polling for all or partial terminals in a conference, thereby improving conference efficiency.
Description
Technical field
The present invention relates to the video conference field, particularly relate to a kind of polling method and system of video conferencing system.
Background technology
Video conferencing system is to support sound, the multimedia communications system of video and data communication, and it comprises video conference terminal, multipoint control unit (MCU, Multipoint Control Unit) and some other equipment.H.320 or ITU-T standard H.323 video conferencing system in the market generally meets ITU-T, and the video conferencing system that meets IETF SIP standard is also arranged.
Wherein, terminal is the equipment that the user uses, comprise codec in the terminal, encoding and decoding are responsible for finishing the compressed encoding and the decoding of medium such as sound, video, terminal also is connected with microphone, camera, display, sound playing subsystem, be used for finishing the input and output of sound, video, terminal also comprises user's input interface, the user by input interface to terminal input instruction and information.Terminal is responsible for and the other side's terminal connects, and consults both sides' codec capabilities, and the code decode algorithm that adopts both sides to support carries out Media Stream communication.
MCU is used for finishing Multi-Party Conference communication.The terminal and the MCU that participate in Multi-Party Conference communication set up calling, and carry out the mutual of Media Stream.MCU is responsible for finishing the exchange and the mixing of Media Stream.For acoustic medium stream, MCU is generally the synthetic acoustic medium stream of a process of each terminal output audio mixing, and several roads acoustic medium stream of the volume maximum of the synthetic general selection input of audio mixing superposes.For video, MCU can send the single-image video flowing of another terminal for certain terminal, if MCU supports many picture functions, also can synthesize the video that a plurality of terminals are sent a multiple image, sends to certain or some terminals then.
The part terminal is also supported the Multi-Party Conference communication capacity, promptly can be simultaneously and a plurality of terminal connect.The terminal that this Terminal Type is called the built-in MCU function herein.Consider that the function logic of its multipoint conference is similar with MCU equipment independently, so the description of not distinguishing.
Present many pictures are synthesized by the terminal of MCU or built-in MCU usually, finally give receiving terminal as one road dynamic image distribution, the user can be by the management software of terminal equipment or MCU, and the content of each sub-screen image of the display layout of many pictures, many pictures etc. is controlled.
Wherein, display layout's attribute comprises the sprite number of many pictures, overlaying relation between the position of sprite window in screen, size, the sprite window, sprite content refer to the image source that certain sprite shows, for example certain sprite can be the main video in certain meeting-place in the meeting.
And the video poll is meant that terminal pins is to one group of terminal list in the meeting, watch successively according to a kind of order, for example in the meeting A is arranged, B, C, four terminals of D, by the control interface of terminal A or the management software of MCU, terminal A is the video image of viewing terminal B at first, behind a regular time sheet, the video image of viewing terminal C again, continue a regular time sheet after, the video image of viewing terminal D again.
Yet, there is a shortcoming in the video poll, promptly when the terminal list that needs poll is very long, carry out taking turns complete video poll and can spend very long a period of time, be example for example with the meeting that comprises 60 terminals, suppose the video-see 5 seconds of each terminal, carrying out taking turns inquiry probably needs 5 minutes time.Like this, the poll time is oversize, thereby has influence on the efficient that the user participates in a conference.
Summary of the invention
The technical problem to be solved in the present invention provides a kind of polling method and system of video conferencing system, thereby improves meeting efficient.
In order to address the above problem, the invention provides a kind of polling method of video conferencing system, comprising:
Start in the polling operation process of video conferencing system the user, the user with all polled end packet after, organize polled terminal and initiate polling request successively, the system that receives described polling request sends to the poll terminal with each synthetic respectively data of picture video more than of video data of organizing polled terminal at each; Described poll terminal is received and is decoded successively after described many picture videos data and show, realizes many picture videos poll.
Further, in the said method, described user determines described poll terminal and all polled terminals, and many picture layout are set.
Said method is further divided into following steps:
System receives definite described poll terminal that described user sends, many picture layout and polled terminal list message are set after, many picture layout and polled terminal list are set;
After described user selects one group of polled terminal, the polling request that this organizes polled terminal list is carried in transmission to system, the system that receives described polling request will organize the synthetic data of picture video more than of video data of polled terminal, send to described poll terminal, after described poll terminal is received described many picture videos data, decode and show;
After a period of time, select one group of polled terminal and finish poll to show, after intact all the polled terminals of poll, finish many pictures polling operation.
The invention also discloses a kind of method that in video conferencing system, realizes poll, in the polling operation process that starts video conferencing system, system is according to the many picture layout and all the polled terminals that have been provided with, with all polled end packet and with after the synthetic respectively data of picture video more than of each video data of organizing polled terminal, send to the poll terminal successively; After described poll terminal is received described many picture videos data successively, decode and show, realize many picture videos poll.
Further, in the said method, system will start the terminal of polling operation of video conferencing system as described poll terminal, and described poll terminal is determined all polled terminals, and many picture layout are set.
Said method is further divided into following steps:
After the terminal that system select to start polling operation was the poll terminal, that receives that described poll terminal sends was provided with many picture layout message and polled terminal list message, many picture layout is set, and preserves described tabulation;
System is divided into some groups according to many picture layout and polled terminal list with all polled terminals, and respectively each is organized the synthetic stream of picture video more than of video data of polled terminal, sends to described poll terminal successively;
After described poll terminal is received described many picture videos data, decode and show.
The invention also discloses a kind of system that realizes poll in video conferencing system, this system comprises a multipoint control unit, and a plurality of terminals that link to each other with described multipoint control unit respectively, wherein:
Described multipoint control unit is used for finishing many pictures poll according to user's instruction, synthetic many picture videos data;
Described terminal comprises poll terminal and polled terminal, is used to receive also many picture videos data of the described multipoint control unit transmission of decoding and displaying.
Further, said system further comprises the management server that links to each other with described multipoint control unit, and the browser client that links to each other with this management server, wherein:
Described browser client is used for providing the approach of visiting described management server to the user;
Described management server is sent to described multipoint control unit with the browser client input instruction, and wherein said browser clients is carried out information interaction by the poll interface of picture more than one and the described multipoint control unit of this management server.
Further, in the said system, described browser client is by many pictures poll layout setting poll terminal of described management server, polled terminal and many picture layout.
Wherein, described multipoint control unit further comprises the poll of picture more than a processing module, and the polling request that this module is initiated at some polled terminals according to described browser client is with the synthetic data of picture video more than of the video of these some polled terminals.
The invention also discloses a kind of system that realizes poll in video conferencing system, this system comprises a multipoint control unit, and a plurality of terminals that link to each other with described multipoint control unit respectively, wherein:
Described multipoint control unit is used for finishing many pictures poll according to user's instruction, synthetic many picture videos data;
Described terminal comprises poll terminal and polled terminal, is used for carrying out information interaction with described multipoint control unit, also is used to receive also many picture videos data of the described multipoint control unit transmission of decoding and displaying.
Further, in the said system, described poll terminal further comprises the poll of picture more than an interface, and described poll terminal sends to described multipoint control unit by many picture layout and all the polled terminal lists that this interface will be provided with.
Wherein, described multipoint control unit further comprises the poll of picture more than a processing module, many picture layout and all polled terminal lists that this module is provided with according to described poll terminal, automatically all polled terminals are divided into some groups, and respectively each are organized the synthetic data of picture video more than of video of polled terminal.
Technical solution of the present invention has shortened the traversal time to the video poll of all or part of terminal in the meeting, thereby improves meeting efficient.
Description of drawings
Fig. 1 (a) is a system configuration schematic diagram of supporting many picture videos poll;
Fig. 1 (b) realizes the flow chart of many picture videos poll for the system shown in Fig. 1 (a);
Fig. 2 (a) is a system configuration schematic diagram of supporting many picture videos poll;
Fig. 2 (b) realizes the flow chart of many picture videos poll for the system shown in Fig. 2 (a);
Fig. 3 (a) is first group of terminal display effect schematic diagram in many picture videos poll in the present embodiment;
Fig. 3 (b) is second group of terminal display effect schematic diagram in many picture videos poll in the present embodiment;
Fig. 3 (c) is the 3rd group of terminal display effect schematic diagram in many picture videos poll in the present embodiment.
Embodiment
Be described in further detail below in conjunction with the enforcement of accompanying drawing technical scheme:
Embodiment 1
A system that supports many pictures poll, shown in Fig. 1 (a), this system comprises a MCU, and the WEB management server and the some terminals that link to each other with this MCU respectively, the WEB management server also links to each other with browser client.Wherein:
Browser client, the user is by this browser client visit WEB management server;
The WEB management server, the browser client instruction is sent among the MCU, in the present embodiment, this WEB management server further comprises the poll of picture more than an interface, browser client carries out information interaction by this interface and MCU, wherein browser client can be initiated many pictures polling operation to MCU by this interface, and operations such as poll terminal, polled terminal and many picture layout for example are set;
MCU, be used for synthetic many picture videos data, finish many pictures poll according to the instruction of browser client, in the present embodiment, MCU further comprises the poll of picture more than a processing module, this module is instructed according to browser client, with the synthetic data of picture video more than of the video of a collection of polled terminal;
Terminal, arbitrary terminal all can be used as the poll terminal, is used for receiving and many picture videos stream that decoding and displaying MCU sends here.
The linking number of limiting device not in the said system, for example a WEB management server can connect a plurality of MCU equipment, thereby a plurality of MCU are managed simultaneously.
Certainly in other embodiments, also above-mentioned WEB management server and browser client can be replaced with other implementation pattern, the MCU management software that for example can develop a special use substitutes, and this special-purpose software should comprise many pictures poll human-computer interaction function.In addition, MCU also can realize with other specialized hardware, for example all-purpose computer etc.Terminal also can adopt based on the software of PC and realize.Certainly, certainly in some simple applied environments, also the associated component of administration interface can be built into the MCU device interior; And in a complex environment, WEB management server, client browser and MCU are respectively separate equipment.
Said system is handled in the process of many picture videos poll, and the user controls many pictures polling operation by the mode of browser access WEB management server, and shown in Fig. 1 (b), this process is divided into following steps:
Step 101: browser client starts many pictures polling operation, sends the beginning polling message by the WEB management server to MCU, after MCU receives this message, enters many pictures polling status;
Step 102: after the selected poll terminal of browser client, send selection poll terminal message to MCU by the WEB management server, MCU determines the poll terminal according to the message of receiving;
Step 103: browser client is provided with many picture layout, sends by the WEB management server and many picture layout message is set to MCU, and MCU is provided with many picture layout according to the message of receiving;
Step 104: browser client is selected to need polled terminal list, and for example, the user can select polled terminal list from conference member list;
Step 105a: after first polled terminal that browser client is selected to watch, send the synthetic message of many pictures to MCU by the WEB management server, this message comprises the tabulation of first polled terminal;
Step 105b:MCU receives many picture videos streams of synthetic first polled terminal after this message, sends to the poll terminal;
Step 106a: after a period of time, after second batch of polled terminal that browser client is selected to watch, send the synthetic message of many pictures to MCU by the WEB management server, this message comprises the tabulation of second batch of polled terminal;
After step 106b:MCU received this message, many picture video streams of synthetic second batch of polled terminal sent to the poll terminal;
Step 107a: after browser client is selected to watch the polled terminal of last batch of, send the synthetic message of many pictures to MCU by the WEB management server, this message comprises the tabulation of the polled terminal of last batch of, after the intact round of poll is watched, browser client continues to start anew to watch, and returns step 105a;
After step 107b:MCU received this message, many picture video streams of the synthetic polled terminal of last batch of sent to the poll terminal;
Step 108: browser client can send to MCU by the WEB management server and end many pictures polling message, after MCU receives this message, withdraws from many pictures polling status.
Browser client also can send many pictures of termination polling message by the WEB management server to MCU in the arbitrary moment in carrying out above-mentioned steps 101 to 107, after MCU receives this message, withdraws from many pictures polling status.
In other embodiments, can many picture layout and polled terminal list be set by MCU.
Embodiment 2
Below, describe the system that another supports many pictures poll again, shown in Fig. 2 (a), what this system was different from the system that proposes among the embodiment 1 is, many pictures poll human-computer interaction interface is built in the terminal equipment, thereby has omitted WEB management server and browser client.Wherein,
Terminal has increased the function to many pictures of MCU device request polling operation newly, and promptly the user imports various polling operation instructions by the poll of the many pictures on terminal interface to MCU, and the terminal that wherein has many pictures poll also can be used as the poll terminal.
Said system is handled the process of many pictures poll, is that the user controls many pictures polling operation by terminal, and it specifically may further comprise the steps, shown in Fig. 2 (b):
Step 201: the user starts many pictures polling operation by the built-in many pictures poll interface of terminal, sends the beginning polling message to MCU, after MCU receives this message, enters many pictures polling status.
It is the poll terminal that step 202:MCU selects current speaking terminal automatically;
Step 203: the poll terminal sends to MCU many picture layout message is set, and MCU is provided with many picture layout according to after receiving this message;
Step 204: the poll terminal is selected to send polled terminal list message to MCU after the polled terminal, and MCU preserves this tabulation;
Step 205 (1): MCU synthesizes many picture videos streams of first terminal automatically according to many picture layout and polled terminal list, gives the poll terminal;
Step 205 (2): MCU gives the poll terminal according to many picture video streams of many picture layout and the automatically synthetic second batch of terminal of polled terminal list;
Step 205 (n): MCU synthesizes many picture videos streams of last batch of terminal automatically according to many picture layout and polled terminal list, gives the poll terminal, and after the intact round of poll was watched, the user continued to start anew to watch, and returns step 205;
Step 206: the user can send to MCU by the WEB management server and end many pictures polling message, after MCU receives this message, withdraws from many pictures polling status.
In other embodiments, can many picture layout and polled terminal list be set by MCU.
In the foregoing description 1 and 2, when polled terminal has 10, when the layout of many pictures is 4 pictures, in the effect of the shown many picture videos poll of terminal as shown in Figure 3, the poll terminal is seen earlier by terminal 1, terminal 2, terminal 3, the multipicture video image that the video image of terminal 4 is synthetic is shown in Fig. 3 (a); After continuing for some time, the poll terminal will be seen terminal 5, terminal 6, and terminal 7, the multipicture video image that the video image of terminal 8 is synthetic is shown in Fig. 3 (b); After continuing for some time, the poll terminal is seen terminal 9, terminal 10, and shown in Fig. 3 (c), wherein, and because the last batch of terminal that need show has only two, thus there are two sub-picture areas to be shown as Background, blue background for example.Certainly, with terminal 7, the picture of terminal 8 repeats to show, perhaps with terminal 1, and current picture and terminal 9 that terminal 2 is up-to-date, demonstration together after terminal 10 is synthetic all is fine, and the present invention does not do qualification to this.After intact all terminals of poll, begin new rounds of inquiries again, until stopping polling operation.
In other embodiments, certain or some sprites in many pictures can be fixed and show certain or some video source, for example, certain sprite is used for fixing the auxilliary video image that shows in the standard H.323, and other unfixed sprite is then replaced and shown other each terminal.
From the foregoing description as can be seen, the difference of technical solution of the present invention and existing video polling method is, terminal once can be watched the video image of one group of terminal, MCU is responsible for the video image of one group of terminal is synthesized a multipicture video image, shorten the time of the video image of a whole participant terminal of terminal polling, thereby improved the efficient of video conference greatly.
The present invention also can have in other multiple examples; under the situation that does not deviate from spirit of the present invention and essence thereof; those skilled in the art can make corresponding change and distortion according to the present invention, but these corresponding changes and distortion all should belong within the protection range of the appended claim of the present invention.
Claims (13)
1, a kind of polling method of video conferencing system is characterized in that, comprising:
Start in the polling operation process of video conferencing system the user, the user with all polled end packet after, organize polled terminal and initiate polling request successively, the system that receives described polling request sends to the poll terminal with each synthetic respectively data of picture video more than of video data of organizing polled terminal at each; Described poll terminal is received and is decoded successively after described many picture videos data and show, realizes many picture videos poll.
2, the method for claim 1 is characterized in that,
Described user determines described poll terminal and all polled terminals, and many picture layout are set.
3, method as claimed in claim 1 or 2 is characterized in that, this method is further divided into following steps:
System receives definite described poll terminal that described user sends, many picture layout and polled terminal list message are set after, many picture layout and polled terminal list are set;
After described user selects one group of polled terminal, the polling request that this organizes polled terminal list is carried in transmission to system, the system that receives described polling request will organize the synthetic data of picture video more than of video data of polled terminal, send to described poll terminal, after described poll terminal is received described many picture videos data, decode and show;
After a period of time, select one group of polled terminal and finish poll to show, after intact all the polled terminals of poll, finish many pictures polling operation.
4, a kind of method that realizes poll in video conferencing system is characterized in that,
In the polling operation process that starts video conferencing system, system is according to the many picture layout and all the polled terminals that have been provided with, with all polled end packet and with after the synthetic respectively data of picture video more than of each video data of organizing polled terminal, send to the poll terminal successively; After described poll terminal is received described many picture videos data successively, decode and show, realize many picture videos poll.
5, the method for claim 1 is characterized in that,
System will start the terminal of polling operation of video conferencing system as described poll terminal, and described poll terminal is determined all polled terminals, and many picture layout are set.
6, as claim 4 or 5 described methods, it is characterized in that this method is further divided into following steps:
After the terminal that system select to start polling operation was the poll terminal, that receives that described poll terminal sends was provided with many picture layout message and polled terminal list message, many picture layout is set, and preserves described tabulation;
System is divided into some groups according to many picture layout and polled terminal list with all polled terminals, and respectively each is organized the synthetic stream of picture video more than of video data of polled terminal, sends to described poll terminal successively;
After described poll terminal is received described many picture videos data, decode and show.
7, a kind of system that realizes poll in video conferencing system is characterized in that this system comprises a multipoint control unit, and a plurality of terminals that link to each other with described multipoint control unit respectively, wherein:
Described multipoint control unit is used for finishing many pictures poll according to user's instruction, synthetic many picture videos data;
Described terminal comprises poll terminal and polled terminal, is used to receive also many picture videos data of the described multipoint control unit transmission of decoding and displaying.
8, system as claimed in claim 7 is characterized in that, this system further comprises the management server that links to each other with described multipoint control unit, and the browser client that links to each other with this management server, wherein:
Described browser client is used for providing the approach of visiting described management server to the user;
Described management server is sent to described multipoint control unit with the browser client input instruction, and wherein said browser clients is carried out information interaction by the poll interface of picture more than one and the described multipoint control unit of this management server.
9, system as claimed in claim 8 is characterized in that,
Described browser client is by many pictures poll layout setting poll terminal of described management server, polled terminal and many picture layout.
10, as claim 7,8 or 9 described systems, it is characterized in that,
Described multipoint control unit further comprises the poll of picture more than a processing module, and the polling request that this module is initiated at some polled terminals according to described browser client is with the synthetic data of picture video more than of the video of these some polled terminals.
11, a kind of system that realizes poll in video conferencing system is characterized in that this system comprises a multipoint control unit, and a plurality of terminals that link to each other with described multipoint control unit respectively, wherein:
Described multipoint control unit is used for finishing many pictures poll according to user's instruction, synthetic many picture videos data;
Described terminal comprises poll terminal and polled terminal, is used for carrying out information interaction with described multipoint control unit, also is used to receive also many picture videos data of the described multipoint control unit transmission of decoding and displaying.
12, system as claimed in claim 11 is characterized in that,
Described poll terminal further comprises the poll of picture more than an interface, and described poll terminal sends to described multipoint control unit by many picture layout and all the polled terminal lists that this interface will be provided with.
13, as claim 11 or 12 described systems, it is characterized in that,
Described multipoint control unit further comprises the poll of picture more than a processing module, many picture layout and all polled terminal lists that this module is provided with according to described poll terminal, automatically all polled terminals are divided into some groups, and respectively each are organized the synthetic data of picture video more than of video of polled terminal.
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| CN108718399A (en) * | 2018-07-09 | 2018-10-30 | 深圳市潮流网络技术有限公司 | A kind of video conference layout method based on browser page |
| CN108718399B (en) * | 2018-07-09 | 2023-12-08 | 深圳市潮流网络技术有限公司 | Video conference layout method based on browser page |
| CN109963107A (en) * | 2019-02-20 | 2019-07-02 | 视联动力信息技术股份有限公司 | A kind of display methods and system of audio, video data |
| CN109963107B (en) * | 2019-02-20 | 2021-10-08 | 视联动力信息技术股份有限公司 | Audio and video data display method and system |
| CN110557599A (en) * | 2019-09-19 | 2019-12-10 | 上海赛连信息科技有限公司 | Method and device for polling video conference |
| CN110557599B (en) * | 2019-09-19 | 2021-10-08 | 上海赛连信息科技有限公司 | Method and device for polling video conference |
| CN110933359A (en) * | 2020-01-02 | 2020-03-27 | 随锐科技集团股份有限公司 | Intelligent video conference layout method and device and computer readable storage medium |
| CN112650464A (en) * | 2021-01-05 | 2021-04-13 | 深圳市捷视飞通科技股份有限公司 | Video picture display method, video picture display device, computer equipment and storage medium |
| CN112650464B (en) * | 2021-01-05 | 2024-02-06 | 深圳市捷视飞通科技股份有限公司 | Video picture display method, apparatus, computer device and storage medium |
| CN113596349A (en) * | 2021-07-26 | 2021-11-02 | 世邦通信股份有限公司 | Conference method, system, device and storage medium for automatic linkage of speech position and video |
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