CN101867766A - Method and device for switching auxiliary video sources of video conference terminal - Google Patents
Method and device for switching auxiliary video sources of video conference terminal Download PDFInfo
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- CN101867766A CN101867766A CN201010165764A CN201010165764A CN101867766A CN 101867766 A CN101867766 A CN 101867766A CN 201010165764 A CN201010165764 A CN 201010165764A CN 201010165764 A CN201010165764 A CN 201010165764A CN 101867766 A CN101867766 A CN 101867766A
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Abstract
The invention discloses a method and a device for switching auxiliary video sources of a video conference terminal, wherein the method comprises the following steps that: after receiving the auxiliary video connection requests initiated by a plurality of user terminals, the video conference terminal takes the user terminals as alternative auxiliary video sources thereof and establishes auxiliary video code stream channels to the alternative auxiliary video sources; and after receiving a auxiliary video source switching request from a user terminal, the video conference terminal switches the user terminal initiating the switching request to an auxiliary video source. By taking the user terminals as the alternative auxiliary video sources of the video conference terminal, the method and the device can make a quick switching among the alternative auxiliary video sources.
Description
Technical field
The present invention relates to video communication technology, method and device that particularly a kind of auxiliary video sources of video conference terminal switches.
Background technology
Video conferencing is to utilize TV and special equipment, by communication network, the meeting room in two places or a plurality of places is coupled together, and holds a kind of communication technology real-time, two-way, interactively video conferencing with TV mode.
Present video conferencing often need be supported multi-channel video, generally is to support main video and auxilliary video, and main video is usually used in importing the camera that shows the meeting-place, and auxilliary video is usually used in importing the document on the PC.The application of auxilliary video more and more widely, a kind of application scenarios is arranged, be exactly to have a plurality of users to use different PCs in the meeting-place, each user's PC all may need as auxiliary video sources, often need different PCs as auxiliary video sources, so auxiliary video sources need switch between different PCs through being everlasting in the session discussing process.Auxilliary video has hardware to assist video, the auxilliary two kinds of implementations of video of software, but the problem that the use of at present auxilliary video mainly exists is:
The auxilliary video of software adopts network to connect PC and video conference terminal, saved the trouble that connects the VGA cable, but special-purpose software need be installed on PC, when a plurality of PCs all need conduct to assist video, each PC all needs install software, need close the auxilliary video software of original PC when switching PC earlier, reconnects new user's PC, inconvenient operation when this mode is frequently switched auxiliary video sources at needs, efficient is lower.
Summary of the invention
Method and device that the embodiment of the invention provides a kind of auxiliary video sources of video conference terminal to switch, overcoming needs to disconnect earlier the auxilliary video software of original PC when video conference terminal switches PC in the prior art, reconnect new user's PC, thereby cause the handover operation inconvenience of auxiliary video sources, efficient is lower.
The method that the embodiment of the invention provides a kind of auxiliary video sources of video conference terminal to switch, this method specifically comprises:
Receive the auxiliary video sources connection request of user terminal initiation when video conference terminal after, with the alternative auxiliary video sources of described user terminal as video conference terminal, and the auxilliary video code flow channel between foundation and the alternative auxiliary video sources;
When receive that described user terminal sends switch to the handoff request of current auxiliary video sources the time, described user terminal is switched to current auxiliary video sources.
Also provide a kind of auxiliary video sources of video conference terminal device for switching according to the said method embodiment of the invention, comprising:
Alternative auxiliary video sources Registering modules, after being used to receive the auxiliary video sources connection request of user terminal initiation, with the alternative auxiliary video sources of described user terminal as video conference terminal, and the auxilliary video code flow channel between foundation and the alternative auxiliary video sources;
The auxiliary video sources handover module, be used for when receive that described user terminal sends switch to the handoff request of current auxiliary video sources the time, described user terminal is switched to current auxiliary video sources.
The device of the method that the embodiment of the invention provided of application, with the alternative auxiliary video sources of a plurality of user terminals as video conference terminal, if the some user terminals in the alternative auxiliary video sources need switch to current auxilliary video, then can send handoff request to video conference terminal, thereby auxiliary video sources is switched between a plurality of alternative auxiliary video sources fast by network.
Description of drawings
The flow chart of the method that a kind of auxiliary video sources of video conference terminal of Fig. 1 embodiment of the invention switches;
The system block diagram that the auxilliary video of Fig. 2 embodiment of the invention switches fast;
Fig. 3 embodiment of the invention auxiliary video sources fast switching method schematic diagram between multi-user's PC;
Fig. 4 embodiment of the invention PC is applied for the realization flow figure of alternative auxiliary video sources flow process;
The cancellation of Fig. 5 embodiment of the invention PC is as the flow chart of alternative auxiliary video sources;
The structure chart of a kind of auxiliary video sources of video conference terminal device for switching of Fig. 6 embodiment of the invention.
Embodiment
The method that a kind of auxiliary video sources of video conference terminal switches in the embodiment of the invention, this method comprises: receive the auxiliary video sources connection request of user terminal initiation when video conference terminal after, with the alternative auxiliary video sources of described user terminal as video conference terminal, and the auxilliary video code flow channel between foundation and the alternative auxiliary video sources; When receive that described user terminal sends switch to the handoff request of current auxiliary video sources the time, described user terminal is switched to current auxiliary video sources.
Below in conjunction with Figure of description the specific embodiment of the present invention is elaborated.
As shown in Figure 1, the method that the embodiment of the invention provides a kind of auxiliary video sources of video conference terminal to switch, video conference terminal connects a plurality of user terminals by network, specifically comprises step:
In addition, the alternative auxiliary video sources that is connected with definite video conference terminal for the alternative auxiliary video sources of unified management, the embodiment of the invention is also added the relevant information of initiating the user terminal of connection request in the alternative auxiliary video sources tabulation, the relevant information of preserving a plurality of alternative auxiliary video sources of described video conference terminal connection in this alternative auxiliary video sources tabulation.
User terminal can be that user's PC (client personal computer) is connected to video conference terminal (connection of a plurality of PCs can be a structure shown in Figure 2) by network in embodiments of the present invention, a plurality of PCs can appear in the alternative auxiliary video sources selective listing of video conference terminal as alternative auxiliary video sources simultaneously, but can only have a PC to carry out the demonstration and the coding of video flowing as current auxiliary video sources.
For the safety of user terminal, comprise user name, the password authentification mode of the user terminal of initiating handoff request in the described handoff request.
Then the alternative auxiliary video sources of described user terminal as video conference terminal comprised, video conference terminal is verified the user right of the user terminal of initiating connection request according to user name, the password authentification mode of described user terminal, if the verification passes, then will initiate the alternative auxiliary video sources of the user terminal of connection request as video conference terminal.
Wherein, the alternative auxiliary video sources that adds is added in the alternative auxiliary video sources tabulation, the title of each alternative auxiliary video sources can be defined by the user, shows default value if the user does not fill in.
When the alternative auxiliary video sources in alternative auxiliary video sources is tabulated need be cancelled as the qualification of alternative auxiliary video sources, the embodiment of the invention also comprised:
Step 103, when the relevant information of this alternative auxiliary video sources of deletion from the tabulation of alternative auxiliary video sources, and close and this user terminal between auxilliary video code flow channel.
In addition, video conference terminal also can be cancelled the arbitrary alternative auxiliary video sources in the alternative auxiliary video sources tabulation.The relevant information of the described alternative auxiliary video sources of deletion in the alternative auxiliary video sources tabulation of alternative auxiliary video sources that video conference terminal will need to cancel.And close auxilliary video code flow channel between video conference terminal and the user terminal.
In addition, for avoiding interference among multiple users, become the user of auxiliary video sources, can lock auxiliary video sources, this moment, other users can not apply for auxiliary video sources.Then the embodiment of the invention also comprises:
Further, the user can return to normal state by the release auxiliary video sources, can switch as auxiliary video sources arbitrarily between the user terminal.
According to being said method, the embodiment of the invention can realize by following execution mode:
The video conference terminal as shown in Figure 3 and the connection diagram of user terminal, can realize in the following manner alternately between method user terminal that provides by the embodiment of the invention and the video conference terminal:
At described video conference terminal the client web page is set, the web server script, the subscription client web page can download on the user terminal (or being called user's PC) from video conference terminal automatically, set up signaling channel between the client web page and the terminal web server script then, the client web page realizes that video conference terminal and user carry out man-machine interaction, the user is in the order of described client web page input, this order is sent to the web server script of video conference terminal by signaling channel, the web server script is handled order, and the message that the quick switching command of various auxilliary videos converts video conference terminal inside to sent to the main control software module, the main control software module is according to the requirement of various command, realization is to the control of Video Codec, and sends and the receiver, video code stream by network interface.
After user's PC became auxiliary video sources, user's PC was encoded to auxilliary video, and auxilliary video code flow is sent to terminal main control software module by media channel, and the main control software module sends auxilliary video code flow by network interface.When terminal need show auxilliary video in this locality, the main control software module will be assisted video code flow and be given codec and decode, and give TV by the video input/output module then and show.
If when carrying out video switch according to above-mentioned concrete mode between user A, user B, concrete implementation procedure is:
User A (counterpart terminal A) and user B (counterpart terminal B) sign in to the quick switching controls page of auxiliary video sources as the PC of alternative auxiliary video sources, apply for alternative auxiliary video sources then.
If do not have other user applies as auxiliary video sources before user A and user B application, then the arbitrary user applies among user A and the user B switches to auxiliary video sources, will apply for directly that then the user is set at auxiliary video sources.Begin to assist video coding after becoming auxiliary video sources, other PCs this moment (as user B) can not be applied for auxiliary video sources simultaneously.
When auxiliary video sources need be when user A switches to user B, user A cancellation earlier is as auxiliary video sources, user B applies for auxiliary video sources then, and user B begins to assist video coding after becoming auxiliary video sources, finishes the quick switching of auxiliary video sources from user A to user B.
After user B became auxiliary video sources, auxilliary video coding engine began coding to the PC picture on the PC, and coding back code stream sends to terminal by auxilliary video code flow channel, and terminal is transmitted code stream to auxilliary video reception terminal.Terminal shows after need showing the auxilliary video code flow of then decoding when assisting video.
Terminal also can select a PC as auxiliary video sources by conventional control method on the terminal (as controlling by remote controller).
As shown in Figure 4, according to the method that provides in the present embodiment,, PC comprises if applying for the realization flow of alternative auxiliary video sources flow process:
Step 401, the user uses PC to send the connection request that alternative auxiliary video sources is applied in connection by the client web page to video conference terminal.
The user enters the client web page by the network entry video conference terminal, initiates the connection request as alternative auxiliary video sources in this web page, comprises user name, password authentification mode in this connection request, is used to guarantee terminal security.
Step 402, user's application for execution are set up auxilliary video code flow channel after moving as alternative auxiliary video sources between terminal and the user's PC, be used to transmit auxilliary video code flow.
Step 403, user's PC appears in the auxiliary video sources tabulation of terminal as an auxiliary video sources.
The auxiliary video sources title can be defined by the user, shows default value if the user does not fill in.The maximum PC quantity that terminal is supported is simultaneously determined by terminal configuration data.And user's PC is downloaded auxilliary video coding engine from terminal web server automatically, and auxilliary video is used to encode.
As shown in Figure 5, if PC is cancelled as alternative auxiliary video sources, then concrete realization flow is realized by following steps:
When step 501, the application of user's PC are cancelled as alternative auxiliary video sources, send the cancellation request of cancellation as alternative auxiliary video sources to video conference terminal.
The PC that has become alternative auxilliary video can not be re-used as alternative auxilliary video by cancellation as alternative auxiliary video sources.
According to method shown in Figure 1, the embodiment of the invention provides a kind of auxiliary video sources of video conference terminal device for switching (as shown in Figure 6), comprises alternative auxiliary video sources Registering modules 601 and auxiliary video sources handover module 602:
Alternative auxiliary video sources Registering modules 601, after being used to receive the auxiliary video sources connection request of user terminal initiation, with the alternative auxiliary video sources of described user terminal as video conference terminal, and the auxilliary video code flow channel between foundation and the alternative auxiliary video sources;
In addition, in order to guarantee safety with user terminal, described alternative auxiliary video sources Registering modules 601 also is used for user name, the password authentification mode of the user terminal that comprises according to connection request, the user right of the user terminal of connection request is initiated in checking, if the verification passes, then will initiate the user terminal of connection request as alternative auxiliary video sources.
Auxiliary video sources handover module 602, be used for when receive that described user terminal sends switch to the handoff request of current auxiliary video sources the time, described user terminal is switched to current auxiliary video sources.
For the ease of the relevant information that video conference terminal is managed alternative auxiliary video sources, embodiment of the invention device also comprises:
This device also comprises, cancellation module 604, be used for when receiving cancellation that user terminal sends as the cancellation request of alternative auxiliary video sources, the relevant information of this alternative auxiliary video sources of deletion from alternative auxiliary video sources tabulation, and close and this user terminal between auxilliary video code flow channel.
For avoiding interference among multiple users, become the user of auxiliary video sources, can lock auxiliary video sources, this moment, other users can not apply for auxiliary video sources.Embodiment of the invention device also comprises:
Locking module 605 is used for locking current auxiliary video sources when receiving the locking request of current auxiliary video sources transmission, forbids alternative auxiliary video sources initiation handover request.
The device of the method that the embodiment of the invention provided of application, with a plurality of user terminals as to the alternative auxiliary video sources of meeting television terminal, thereby auxiliary video sources is switched fast between a plurality of alternative auxiliary video sources, use under the situation of a plurality of PCs as auxiliary video sources at needs, user friendly control improves meeting efficient.
Method of the present invention is not limited to the embodiment described in the embodiment, and those skilled in the art's technical scheme according to the present invention draws other execution mode, belongs to technological innovation scope of the present invention equally.Obviously, those skilled in the art can carry out various changes and modification to the present invention and not break away from the spirit and scope of the present invention.Like this, if of the present invention these are revised and modification belongs within the scope of claim of the present invention and equivalent technologies thereof, then the present invention also is intended to comprise these changes and modification interior.
Claims (10)
1. the method that auxiliary video sources of video conference terminal switches is characterized in that, comprising:
Receive the auxiliary video sources connection request of user terminal initiation when video conference terminal after, with the alternative auxiliary video sources of described user terminal as video conference terminal, and the auxilliary video code flow channel between foundation and the alternative auxiliary video sources;
When receive that described user terminal sends switch to the handoff request of current auxiliary video sources the time, described user terminal is switched to current auxiliary video sources.
2. the method for claim 1, it is characterized in that, the alternative auxiliary video sources of described user terminal as video conference terminal comprised, video conference terminal is verified the user right of the user terminal of initiating connection request according to user name, the password authentification mode of the user terminal that comprises in the described connection request, if the verification passes, then will initiate the alternative auxiliary video sources of the user terminal of connection request as video conference terminal.
3. the method for claim 1 is characterized in that, and is described with after the alternative auxiliary video sources of described user terminal as video conference terminal, further comprises:
The relevant information of initiating the user terminal of connection request is added in the alternative auxiliary video sources tabulation to the relevant information of preserving a plurality of alternative auxiliary video sources of described video conference terminal connection in this alternative auxiliary video sources tabulation.
4. method as claimed in claim 3 is characterized in that, comprising:
When video conference terminal receives cancellation that user terminal sends as the cancellation request of alternative auxiliary video sources, the relevant information of this alternative auxiliary video sources of deletion from alternative auxiliary video sources tabulation, and close and this user terminal between auxilliary video code flow channel.
5. as the described method of the arbitrary claim of claim 1～4, it is characterized in that, described described user terminal switched to after the current auxiliary video sources, further comprise:
When receiving the locking request of current auxiliary video sources transmission, lock current auxiliary video sources, forbid alternative auxiliary video sources initiation handover request.
6. an auxiliary video sources of video conference terminal device for switching is characterized in that, comprising:
Alternative auxiliary video sources Registering modules, after being used to receive the auxiliary video sources connection request of user terminal initiation, with the alternative auxiliary video sources of described user terminal as video conference terminal, and the auxilliary video code flow channel between foundation and the alternative auxiliary video sources;
The auxiliary video sources handover module, be used for when receive that described user terminal sends switch to the handoff request of current auxiliary video sources the time, described user terminal is switched to current auxiliary video sources.
7. device as claimed in claim 6, it is characterized in that, alternative auxiliary video sources Registering modules also is used for user name, the password authentification mode of the user terminal that comprises according to connection request, the user right of the user terminal of connection request is initiated in checking, if the verification passes, then will initiate the user terminal of connection request as alternative auxiliary video sources.
8. device as claimed in claim 6 is characterized in that, this device also comprises:
Memory module is used for adding the relevant information of initiating the user terminal of connection request to alternative auxiliary video sources tabulation, the relevant information of preserving a plurality of alternative auxiliary video sources of described video conference terminal connection in this alternative auxiliary video sources tabulation.
9. device as claimed in claim 8 is characterized in that, this device also comprises:
The cancellation module is used for deleting the relevant information of this alternative auxiliary video sources from alternative auxiliary video sources tabulation when receiving cancellation that user terminal sends as the cancellation request of alternative auxiliary video sources, and close and this user terminal between auxilliary video code flow channel.
10. as the described device of the arbitrary claim of claim 6～9, it is characterized in that this device also comprises:
Locking module is used for locking current auxiliary video sources when receiving the locking request of current auxiliary video sources transmission, forbids alternative auxiliary video sources initiation handover request.
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| CN201010165764A CN101867766A (en) | 2010-05-05 | 2010-05-05 | Method and device for switching auxiliary video sources of video conference terminal |
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| CN201010165764A CN101867766A (en) | 2010-05-05 | 2010-05-05 | Method and device for switching auxiliary video sources of video conference terminal |
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| CN101984659A (en) * | 2010-11-16 | 2011-03-09 | 中兴通讯股份有限公司 | Method, terminal and system for flexibly sending video source in video conference communication |
| CN102123267A (en) * | 2011-03-15 | 2011-07-13 | 深圳市捷视飞通科技有限公司 | Method, device and system for interactively modifying auxiliary stream of video conference |
| CN102833632A (en) * | 2012-08-24 | 2012-12-19 | Tcl集团股份有限公司 | Multi-screen interactive master-slave control equipment management method, intelligent television and control equipment |
| CN107623833A (en) * | 2016-07-13 | 2018-01-23 | 中兴通讯股份有限公司 | The control method of video conference, apparatus and system |
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Application publication date: 20101020 |