CN100579199C - Multi-screen controlled display method of videoconference system - Google Patents
Multi-screen controlled display method of videoconference system Download PDFInfo
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- CN100579199C CN100579199C CN200810032724A CN200810032724A CN100579199C CN 100579199 C CN100579199 C CN 100579199C CN 200810032724 A CN200810032724 A CN 200810032724A CN 200810032724 A CN200810032724 A CN 200810032724A CN 100579199 C CN100579199 C CN 100579199C
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Abstract
The invention relates to a multi-screen controlled display method in a video conference system, which comprises the following steps: firstly, respectively confirming the number of displays which are arranged on each terminal by each terminal of the video conference system, then, broadcasting identity numbers which are corresponded with video information which is displayed by each display and the identity numbers which is corresponded with the video information that the host leads each attendant to focus on as key points at present after the video information which is displayed by each display of the terminal which is taken as the host is confirmed, and then abstracting the video information whose path number is same with the number of each display by each terminal from a supply unit according to information which is broadcasted by the terminal which is taken as the host and the number of each display, and then re-broadcasting the identity numbers which need focusing as the key points by the terminal which is taken as the host when the video information that the host leads each attendant to focus on as key points to enable each other terminal to carry out corresponding display regulation, which can realize synchronously displaying the video information which needs focusing as the key points.
Description
Technical field
The present invention relates to a kind of video conferencing system, particularly a kind of multi-screen controlled display method of video conferencing system.
Background technology
Since first graphical web browser Mosaic in 1993 came out, the number of users of internet was advanced by leaps and bounds.Along with the surge of number of users, great variety has also taken place in the compound mode of network information.Past the sort of in single mode with resource consolidation way together, replaced by new mode.In new mode, people can be put into image, sound and other any file contents in oneself the website and go.
Before and after nineteen ninety-five, stream media technology has appearred again, and this is a milestone on the internet development history.
After 2000, along with the arriving of broadband era, internet revolution has for the third time begun on a grand and spectacular scale.In current revolution, the information content on the internet is promptly replaced by video content, and the Internet has entered real audio-visual New World.
At present, along with development of computer network, network teleconference system has been widely used in all trades and professions, become a kind of trend at transmission over networks video and audio frequency, large-scale training activity or meeting can launch at any time, all participants are as long as reception is just passable in face of own computer, and everyone can see the other side's expression, image and meeting presider's the data, literal, pictorial information etc. of computer desktop.
Yet, causing thus in a conference system, each terminal all needs to receive the different participants' in 4-8 road video image, if add the local video of oneself, its video way that need receive just may reach the 5-9 road so, even more.In addition, if also have Screen sharing, discussion or blank this moment, so need content displayed will be very huge on screen.When industry shows these numerous and diverse contents at the same time, a plurality of displays of terminal configuration normally, as being in the Chinese patent of 200410102543.0 " a kind of multi-screen display method and device " at application number, the two or more display of its video conference terminal configuration, the video information of not going the same way is shown on different displays, with the problem of avoiding to switch at different display interfaces.
Therefore, in existing video conferencing system, can adopt the technology of many displays of configuration usually.And in same video conferencing system; each terminal usually can be with a certain display that it disposed as its basic display unit; the shown video information of the basic display unit that simultaneously each terminal disposed all be consistent as the shown video information of host's the basic display unit that terminal disposed; so when operating host as host's terminal when being presented on the non-basic display unit to other participants' of video information of oneself and conference participation video information; the participant that operation does not have many display terminal (display is for example only arranged) just can't see host's etc. video information, obviously will cause the interchange of meeting to go wrong.Although it is consistent with the host to guarantee that the participant can change the shown video information of display, but because itself and do not know the numbering of display at host's etc. video information place, pretend for participant's terminal or to terminal and send inquiry message as the host, perhaps carry out repeatedly different the trial voluntarily so that own basic display unit energy will be shown as the shown video information of non-basic display unit of host's terminal, each terminal keeps the video information of demonstration need expend certain hour synchronously so first, moreover may cause as host's terminal whenever carry out video image when switching just needs reply the inquiry message of many station terminals transmissions, the attentiveness of very easily disperseing the host.
Therefore, for the existing problem of present video conferencing system, how effectively solve so that each terminal can be all the time kept the real synchronously problem that those skilled in the art need to be resolved hurrily that become with terminal as the host.
Summary of the invention
The object of the present invention is to provide a kind of multi-screen controlled display method of video conferencing system, to solve in same video conferencing system, cause each terminal when showing the video information that to pay close attention to, to be difficult to synchronous problem in time owing to the display number of each terminal configuration is different.
In order to achieve the above object, the multi-screen controlled display method of video conferencing system provided by the invention is primarily aimed at a terminal that has as the host, many as participant's terminal be connected and be used to provide the video conferencing system of the feeding unit of multi-channel video information respectively with as host's terminal and as participant's terminal, and each road video information that its feeding unit provided all has identity numbering separately, and described multi-screen controlled display method comprises step: 1) described terminal as the host is determined the number of the display that each self terminal is disposed respectively with each as participant's terminal; 2) described terminal as the host is that host's the selection and display number to the described feeding unit of self configuration extract corresponding video information to be shown respectively on different displays according to operating personnel; 3) after each lands video conferencing system as participant's terminal, send to described terminal as the host respectively and inform the solicited message of display mode, describedly please respectively operate the corresponding pairing identity numbering of paying close attention to as each participant of participant's terminal of video information as the pairing identity numbering of host's the terminal video information that each display of its configuration is shown and described host are current so that can obtain; 4) after described terminal as the host receives corresponding request information, send it back corresponding echo message respectively, described echo message comprises the pairing identity numbering of video information that pairing identity numbering of the shown video information of each display of its configuration and the current every participant of asking of host pay close attention to; 5) each extracts and the video information of the identical way of display number separately according to display number to the described feeding unit of the echo message that receives and each self-configuring respectively as participant's terminal, and shown, wherein, must comprise the video information that the current every participant of asking of host pays close attention in each video information that terminal extracted as the participant; When 6) video information of asking every participant to pay close attention to as described host changes, the described identity numbering that transmits the video information correspondence after switching as host's terminal according to host's video information handover operation to each terminal as the participant; 7) each extracts corresponding video information according to identity numbering to the described feeding unit of the video information correspondence after the switching that receives respectively as participant's terminal, and is shown.
Wherein, described feeding unit can be multipoint control unit, and the server that described terminal as the host can be by described video conferencing system setting and each are instructed transmission as participant's terminal.
Preferably, the multi-screen controlled display method of described video conferencing system comprises that also one generates the step of control strip, being described terminal as the host generates a control strip with respective number hurdle according to the display number that self disposes on the one display, each hurdle of described control strip is all corresponding with the identity numbering of the described shown video information of a display that terminal disposed as the host, correspondingly, step 6) further comprises an identification step, when promptly the video information of asking every participant to pay close attention to as described host need change, described host clicks the corresponding hurdle in the described control strip, the described described host's of terminal recognition as the host some selection operation is with the pairing identity numbering in the corresponding hurdle that obtains to be clicked with described host.
In sum, the multi-screen controlled display method of video conferencing system of the present invention needs the numbering of the video information that each participant pays close attention to by broadcasting, the video information that the shown need of each terminal in the video conferencing system are paid close attention to can show synchronously, and then improve the efficient of video conference.
Description of drawings
Fig. 1 is the basic framework schematic diagram of the video conferencing system that adopts of the multi-screen controlled display method of video conferencing system of the present invention.
Fig. 2 is the operating process schematic diagram of the multi-screen controlled display method of video conferencing system of the present invention.
Fig. 3 is the schematic diagram of control strip of formation of the multi-screen controlled display method of video conferencing system of the present invention.
Embodiment
Below will describe the implementation process of the multi-screen controlled display method of video conferencing system of the present invention in detail by specific embodiment.
See also Fig. 1, in the multi-screen controlled display method of video conferencing system of the present invention, the basic framework of the video conferencing system that is adopted as shown in Figure 1, described video conferencing system has the terminal as the host, many the terminals as the participant (are simplicity of illustration, only with terminal as participant 1, as participant 2 terminal with as participant 3 terminal is that example is illustrated), server and feeding unit, wherein, described terminal as the host is instructed transmission by described server and three terminals as the participant, the particular content of described instruction holds the back statement, described feeding unit can be multipoint control unit (MCU), its respectively be connected as host's terminal and two terminals and be used to provide multi-channel video information as the participant, described multi-channel video information is provided by terminal and three terminals as the participant as the host, and each road video information all has the identity numbering, be noted that, transmitting video information or move instruction can be undertaken by network, be simplicity of illustration, and owing to be familiar with by those skilled in the art by the technology of network transmission information, so be not described in detail in this.
See also Fig. 2 again, the multi-screen controlled display method of video conferencing system of the present invention mainly may further comprise the steps:
The first step: described terminal as the host is determined the number of the display that each self terminal is disposed respectively with each as participant's terminal, normally discern according to the video card of terminal installing, for example, for the video card of supporting that double screen shows, whether being connected with respective display according to its interface judges, and for the terminal that is provided with the polylith video card, then whether be connected with display according to each video card to judge, can obtain the number of the display that terminal disposes thus.
Second step: described terminal as the host is that host's the selection and display number to the described feeding unit of self configuration extract the video information of corresponding way to be shown respectively on different displays according to operating personnel, for example, described terminal configuration as the host has 4 displays, if the host is being chosen in the video information that shows host oneself on No. 1 display on the main interface of video conference, on No. 2 displays, show the video information that participant 1 provides, showing on No. 3 displays that the video information that participant 2 provides reaches after showing the video information that participant 3 provides on No. 4 displays, described terminal selecting according to the host to MCU extraction participant 1 as the host, the video information that participant 2 and participant 3 provide, wherein, the participant 1, participant 2 and participant 3 are respectively the terminal of operation as participant 1, as participant 2 terminal and as the participant of participant 3 terminal, the video information that provides separately all is to be sent to MCU by relevant terminal, for avoiding confusion, the video information that is provided all has identity numbering (being ID), for example, be numbered 0 for identity as host's the video information that terminal provided, identity as participant 1 the video information that terminal provided is numbered 1, identity as participant 2 the video information that terminal provided is numbered 2, and be numbered 3 as the identity of participant 3 the video information that terminal provided.Have, described main interface comprises the staff list of conference participation etc. again, and its generating mode has been familiar with by those skilled in the art, no longer describes in detail at this.In addition, the host also can select other display mode, for example shows video information that participant 1 provides etc. on No. 1 display, exemplifies no longer one by one at this.
The 3rd step: described terminal as the host generates a control strip with respective number hurdle according to the display number that self disposes on the one display, each hurdle of described control strip is all corresponding with the identity numbering of the described shown video information of a display that terminal disposed as the host, see also Fig. 3, it is the schematic diagram of the control strip of generation, in described control strip, have A, B, C, reach D totally 4 hurdles, wherein, it is 0 corresponding that A hurdle and identity are numbered, it is 1 corresponding that B hurdle and identity are numbered, it is 2 corresponding that C hurdle and identity are numbered, and it is 3 corresponding that D hurdle and identity are numbered.
The 4th step: after each lands video conferencing system as participant's terminal, send the solicited message of informing display mode to described terminal respectively as the host, describedly please respectively operate the corresponding pairing identity numbering of paying close attention to as each participant of participant's terminal of video information so that can obtain as the pairing identity of host's the terminal video information that each display of its configuration is shown numbering and described host are current, in the present embodiment, as participant 1,3 terminals of participant 2 and participant 3 are sent to described terminal as the host by server with solicited message respectively.
The 5th step: after described terminal as the host receives corresponding request information, send corresponding echo message (being broadcast response information), described echo message comprises the pairing identity numbering of video information that pairing identity numbering of the shown video information of each display of its configuration and the current every participant of asking of host pay close attention to, equally, terminal as the host also is by server corresponding echo message to be sent to each terminal as the participant, in the present embodiment, described echo message comprises: the identity of the video information that shows at No. 1 display is numbered 0, the identity of the video information that shows at No. 2 displays is numbered 1, the identity of the video information that shows at No. 3 displays is numbered 2, the identity of the video information that shows at No. 4 displays is numbered 3, described host is current please participant 1, the pairing identity of video information that participant 2 and participant 3 pay close attention to is numbered 2.
The 6th step: each extracts video information with the identical way of display number according to display number to the described feeding unit of the echo message that receives and each self-configuring respectively as participant's terminal, and shown, wherein, must comprise the video information that the current every participant of asking of host pays close attention in each video information that terminal extracted as the participant, for example, if 1 display of terminal configuration as participant 1, it is according to the echo message that receives, it go up to extract identity to described MCU and is numbered 2 video information and is shown on himself display, if 2 displays of terminal configuration as participant 2, then it can extract identity to MCU and be numbered 0 video information, and on two displays, show the video information that the video information that self provides and host provide respectively, if 4 displays of terminal configuration as participant 3, then it can extract identity to MCU and be numbered 0,1 and 2 video information the video information that self provides is provided totally 4 the tunnel is shown on 4 displays respectively.
The 7th step: when the video information of please every participant paying close attention to as described host changes, the described identity numbering that transmits the video information correspondence after switching as host's terminal according to host's video information handover operation to each terminal as the participant, in the present embodiment, owing to have control strip on the display as host's terminal, therefore, after the host clicks corresponding hurdle in the described control strip, the described described host's of terminal recognition as the host some selection operation, the pairing identity in corresponding hurdle that can obtain to be clicked with described host is numbered, for example, if the host clicks the D hurdle in the control strip, it has clicked the D hurdle to described terminal as the host as can be known by identification, and by preceding description as can be known, it is 3 corresponding that D hurdle and identity are numbered, thus described as the host terminal with identity numbering 3 be sent to each as participant's terminal so that the identity of the video information of each terminal after can clear and definite host switching number.
The 8th step: each extracts corresponding video information according to identity numbering to the described feeding unit of the video information correspondence after the switching that receives respectively as participant's terminal, and shown, promptly extract identity to MCU respectively and be numbered 3 video information as 2 terminals of participant 1 and participant 2, and shown, and continue on a display, to show that as participant 3 terminal identity is numbered 3 video information.
In addition, when the video information of please every participant paying close attention to as described host changes, the host can not send described video information handover operation by clicking control strip yet, and for example, it can send handover operation by the participant who clicks on the main interface.
In sum, the multi-screen controlled display method of video conferencing system of the present invention is in same video conferencing system, video information that cause the possibility participant demonstrating can't be by the effective problem that shows of other-end at the display number of each terminal configuration is different, a kind of effective solution route has been proposed, promptly broadcasted by the identity numbering of the video information that will need please each other-end to pay close attention to as host's terminal, so that each terminal is extracted corresponding video information to MCU targetedly according to the information of broadcasting, and shown, so can avoid problems of the prior art, make each terminal can keep with the video information that the host is paid close attention to improving the efficient of video conference synchronously as the participant.
Claims (5)
1. the multi-screen controlled display method of a video conferencing system, wherein, video conferencing system have terminal as the host, many as participant's terminal be connected and be used to provide the feeding unit of multi-channel video information respectively with as host's terminal and as participant's terminal, each road video information that described feeding unit provided all has identity numbering separately, and the multi-screen controlled display method of described video conferencing system is characterised in that and comprises step:
1) described terminal as the host is determined the number of the display that each self terminal is disposed respectively with each as participant's terminal;
2) described terminal as the host is that host's the selection and display number to the described feeding unit of self configuration extract corresponding video information to be shown respectively on different displays according to operating personnel;
3) after each lands video conferencing system as participant's terminal, send the solicited message of informing display mode to described terminal respectively as the host, so that can obtain described terminal as the host numbers the described pairing identity of video information that the shown pairing identity of video information of each display is numbered and current each participant of asking of described host pays close attention to that is disposed as host's terminal self, wherein, described each participant is separately as the operating personnel of participant's terminal;
4) after described terminal as the host receives corresponding request information, send it back corresponding echo message respectively, described echo message comprises: the described pairing identity numbering of video information that the shown pairing identity of video information of each display is numbered and the current every participant of asking of host pays close attention to that is disposed as host's terminal self;
5) each extracts and the video information of the identical way of display number separately according to display number to the described feeding unit of the echo message that receives and each self-configuring respectively as participant's terminal, and shown, wherein, must comprise the video information that the current every participant of asking of host pays close attention in each video information that terminal extracted as the participant;
When 6) video information of asking every participant to pay close attention to as described host changes, the described identity numbering that transmits the video information correspondence after switching as host's terminal according to host's the video information handover operation of paying close attention to each terminal as the participant;
7) each extracts corresponding video information according to identity numbering to the described feeding unit of the video information correspondence after the switching that receives respectively as participant's terminal, and is shown.
2. the multi-screen controlled display method of video conferencing system as claimed in claim 1, it is characterized in that: described feeding unit is a multipoint control unit.
3. the multi-screen controlled display method of video conferencing system as claimed in claim 1, it is characterized in that also comprising that one generates the step of control strip, being described terminal as the host generates a control strip with respective number hurdle according to the display number that self disposes on the one display, each hurdle of described control strip is all corresponding with the identity numbering of the described shown video information of a display that terminal disposed as the host.
4. the multi-screen controlled display method of video conferencing system as claimed in claim 3, it is characterized in that: step 6) further comprises an identification step, when promptly the video information of asking every participant to pay close attention to as described host need change, described host clicks the corresponding hurdle in the described control strip, the described described host's of terminal recognition as the host some selection operation is with the pairing identity numbering in the corresponding hurdle that obtains to be clicked with described host.
5. the multi-screen controlled display method of video conferencing system as claimed in claim 1 is characterized in that: described terminal as the host by described video conferencing system setting server and each instruct transmission as participant's terminal.
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| Application Number | Priority Date | Filing Date | Title |
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| CN200810032724A CN100579199C (en) | 2008-01-16 | 2008-01-16 | Multi-screen controlled display method of videoconference system |
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| CN200810032724A CN100579199C (en) | 2008-01-16 | 2008-01-16 | Multi-screen controlled display method of videoconference system |
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| CN101227585A CN101227585A (en) | 2008-07-23 |
| CN100579199C true CN100579199C (en) | 2010-01-06 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101583011B (en) * | 2009-05-27 | 2012-04-04 | 华为终端有限公司 | Video conference control method and system, video conference network equipment and conference places |
| CN102082675B (en) * | 2010-12-28 | 2013-11-06 | 华为技术有限公司 | Method and equipment for service processing of remote-presence conferences |
| CN103425403B (en) * | 2012-05-14 | 2017-02-15 | 华为技术有限公司 | Method, device and system for traversing display contents between screens |
| JP6451227B2 (en) * | 2014-11-06 | 2019-01-16 | 富士ゼロックス株式会社 | Information processing apparatus, information processing system, program, and recording medium |
| CN105704426B (en) * | 2016-03-17 | 2019-10-25 | 华为技术有限公司 | A kind of methods, devices and systems carrying out video conference |
| CN106210603A (en) * | 2016-08-09 | 2016-12-07 | 张北江 | Video conference multi-screen display method based on security protection and system |
| CN106303362A (en) * | 2016-08-09 | 2017-01-04 | 张北江 | Specific screens display packing application process in video conference and system |
| CN112653867A (en) * | 2020-09-29 | 2021-04-13 | 中国煤炭地质总局地球物理勘探研究院 | Remote earthquake geological service system |
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Address after: 200433, No. 335, building 2, No. 23, National Road, Shanghai, Yangpu District Patentee after: Information Technology Co., Ltd. Shanghai Avcon Address before: 200433, No. 335, building 2, No. 23, National Road, Shanghai, Yangpu District Patentee before: Shanghai Avcon Information Technology Co., Ltd. |