CN104038722B - The content interaction method and system of a kind of video conference - Google Patents
The content interaction method and system of a kind of video conference Download PDFInfo
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Abstract
The invention discloses a kind of content interaction method of video conference and system, the even more important practical business expanded on the basis of using double-current function, i.e. based on white board interactive business, interaction is marked in the content shared by auxiliary video in participant each side terminal, solves the problem of data interaction in video conferencing, simultaneously, due to sharing the various informative of content in auxiliary video, present invention provides a kind of brand-new video conference form, various common application softwares are used i.e. directly on video conference terminal, it greatly strengthen the ease for use of video conferencing.Therefore, the present invention enables to the participant each side of video conference more fully to exchange so that video conference terminal it is with better function, from realize whenever and wherever possible such as the target had a meeting in same meeting room more further.
Description
Technical Field
The invention relates to the technical field of network communication, in particular to a content interaction method and system for a video conference.
Background
Video conference is a multimedia communication technology which enables people in different places to realize real-time, visual and interactive through a certain transmission medium, and various information such as static/dynamic images, voice, characters, pictures and the like of people are distributed to terminal equipment of each user through various existing communication transmission media, so that the geographically dispersed users can exchange information together through various modes such as graphics, sound and the like, and the understanding ability of multiple parties on the content is increased just as if the conference is carried out in the same meeting place.
With the development of video technology, the demands of users are more and more abundant, and a video conference system is required to not only provide video transmission, but also have additional functions of the video conference system such as electronic whiteboard, dual video technology, remote application sharing and the like, so as to better complete the cooperation among participants. The video conference system is not only used for meeting, but also becomes a multimedia collaboration platform.
Video conference television functions appearing on the market at present are abundant, audio and video transmission is achieved, auxiliary video transmission can be achieved through a double video stream transmission technology, namely an H.239 protocol, generally, a main video transmits image videos of people, the auxiliary video transmits contents needing to be shared, and other manufacturers achieve multiple auxiliary video functions, namely, multiple parties are allowed to send the auxiliary videos on the same video conference at the same time. In addition, the calling terminal types are rich, and besides the conference television equipment, the calling terminal can also call network communication tools such as mobile phones, pads and Skype.
How to expand some more important practical services on the basis of using the double-flow function so that all parties participating in a video conference can communicate more fully is a problem to be solved urgently in the field.
Disclosure of Invention
The technical problem to be solved by the invention is to provide a content interaction method and system for a video conference, so that all parties participating in the video conference can communicate more fully.
The invention adopts the technical scheme that the content interaction method of the video conference comprises the following steps:
and each participant terminal of the video conference shares the auxiliary video while displaying the main video, and carries out marking interaction on the shared content in the auxiliary video based on the electronic whiteboard interactive service.
Further, each participant terminal of the video conference shares an auxiliary video, which specifically includes:
each participant terminal is provided with a conference calling party terminal;
the conference convener terminal synchronizes the shared content provided by the participant terminal needing to share the content to each participant terminal; the shared content includes: an application screen and a remote desktop, wherein the types of the application include: white boards, office documents, and entertainment applications;
when the total number of the participant terminals of the video conference is two, the participant terminals of the video conference perform marking interaction on shared content in the auxiliary video based on an electronic whiteboard interaction service, and the marking interaction specifically comprises the following steps:
any party terminal marks the shared content presented by the auxiliary video based on the electronic whiteboard interactive service, and sends the mark to another party terminal; and after receiving the mark, the other party terminal displays the mark in the shared content of the auxiliary video in an overlapping way.
Further, when the total number of the terminals of the participants of the video conference is more than three, the method further comprises the following steps:
each participant terminal is pre-configured with a marking authority; or,
the conference calling party terminal determines a conference chairman terminal in each participant terminal, and the conference chairman terminal distributes marking authority for each participant terminal based on the application of each participant terminal or configures the marking authority for each participant terminal in advance; the chairman terminal itself also has the tagging authority.
Further, when the total number of the participant terminals in the video conference is more than three, the participant terminals in the video conference perform marking interaction on shared content in the auxiliary video based on the electronic whiteboard interaction service, which specifically includes:
any participant terminal with the marking authority marks the shared content presented by the auxiliary video based on the electronic whiteboard interactive service, and synchronizes the mark to other participant terminals except the marked participant terminal through the conference convener terminal; and after receiving the mark, the other participant terminals display the mark in the shared content of the auxiliary video in an overlapping manner.
The invention also provides a content interaction system of the video conference, which comprises the following components:
and each participant terminal of the video conference is used for displaying the main video and sharing the auxiliary video, and performing marking interaction on the shared content in the auxiliary video based on the electronic whiteboard interactive service.
Furthermore, each participant terminal is provided with a conference calling party terminal;
the conference convener terminal is used for synchronizing the shared content provided by the participant terminals needing to share the content to all the participant terminals; the shared content includes: an application screen or a remote desktop, wherein the type of the application includes: white boards, office documents, and entertainment applications;
when the total number of the video conference participant terminals is two, in the system, based on the electronic whiteboard interactive service,
any party terminal, which is used for marking the shared content presented by the auxiliary video and sending the mark to another party terminal;
and the other party terminal is used for displaying the mark in the shared content of the auxiliary video in an overlapping way after receiving the mark.
Further, when the total number of the terminals of the video conference participants is more than three: each participant terminal is pre-configured with a marking authority; or,
each participant terminal is also provided with a conference chairman terminal; the conference chairman terminal is determined by the conference calling party terminal and is used for distributing marking authority to each participant terminal based on the application of each participant terminal or configuring the marking authority to each participant terminal in advance; the chairman terminal of the conference also has a marking authority; and the conference convener terminal is also used for determining any participant terminal as a chairman terminal according to the request of the participant terminal.
Further, when the total number of the terminals of the participants of the video conference is more than three, in the system, based on the interactive service of the electronic whiteboard,
any participant terminal is used for marking in the shared content presented by the auxiliary video when the participant terminal has the marking right, and synchronizing the mark to other participant terminals except the marked participant terminal through the conference calling party terminal;
and the other participant terminals are used for displaying the marks in the shared content of the auxiliary video in an overlapping manner after receiving the marks.
By adopting the technical scheme, the invention at least has the following advantages:
the invention relates to a content interaction method and a system of a video conference, which expand more important practical service based on the function of using double video transmission streams, namely, a whiteboard interaction service is taken as a basis, terminals of all parties participating in the conference carry out mark interaction in the content shared by auxiliary videos, thereby solving the problem of data interaction in the video conference. Therefore, the invention can enable all parties in the video conference to communicate more fully, enables the video conference terminal to have stronger function and is closer to the goal of realizing meeting in the same conference room at any time and any place.
Drawings
Fig. 1 is a flowchart of a content interaction method for a video conference according to a first embodiment of the present invention;
FIG. 2 is a flowchart illustrating a step S101 according to a first embodiment of the present invention;
FIG. 3 is a schematic diagram of a content interaction system for a video conference according to a third embodiment of the present invention;
FIG. 4 is a block diagram of a third embodiment of a content interaction system for a video conference;
FIG. 5 is a schematic diagram of dual video streaming of three participant terminals according to an embodiment of the present invention;
FIG. 6 is a flow chart of markup interaction based on PPT documents in an example application of the present invention;
FIG. 7 is a flowchart of storing PPT documents and markup interactive content in an exemplary application of the present invention.
Detailed Description
To further explain the technical means and effects of the present invention adopted to achieve the intended purpose, the present invention will be described in detail with reference to the accompanying drawings and preferred embodiments.
A first embodiment of the present invention provides a content interaction method for a video conference, as shown in fig. 1, including the following specific steps:
and step S101, each participant terminal of the video conference displays the main video and simultaneously shares the auxiliary video.
Specifically, for each participant terminal, the main video presents image information of the conference place where the local terminal and other participant terminals are located, and the auxiliary video presents content that a certain participant terminal needs to share in the video conference.
Each participant terminal has a conference caller terminal, which is a terminal device with MCU (Micro Control Unit) capability, i.e. capable of holding a multipoint conference. As shown in fig. 2, from the viewpoint of the convener terminal, step S101 includes the following flow:
s1: and the video conference is established by the conference calling party terminal, other participant terminals are sequentially added into the video conference in a sequential calling mode, and a conference chairman terminal is determined. Such as: the conference calling party terminal can determine any participant terminal as a chairman terminal according to the request of the participant terminal, when the video conference is on, all the participant terminals including the conference calling party terminal can request the conference calling party terminal to become a chairman, and according to the time sequence of the requests, the conference calling party terminal determines the participant terminal which requests the first participant terminal to become the chairman as the chairman terminal.
The conference convener terminal of the embodiment stores the addresses of all the video conference participant terminals, has the capability of sending data to all the participant terminals, and can carry out corresponding coding and decoding on the sent shared content according to the receiving capability of each participant terminal to video signals and then send the shared content to the participant terminals.
S2: the conference convener terminal synchronizes the shared content provided by the participant terminals needing to share the content to each participant terminal.
In this embodiment, the conferencing party terminal may provide shared content by itself, and synchronize the shared content to each of the participant terminals, or the conferencing party terminal may also receive the shared content sent by any of the participant terminals, and then synchronize the shared content to each of the participant terminals including the conferencing party terminal, where each of the participant terminals does not include a participant terminal providing the shared content. The participant terminal providing the shared content can directly synchronize the shared content to the auxiliary video by the local background.
The shared content includes: an application screen or a remote desktop; wherein the types of the application programs include: whiteboards, office documents, entertainment applications, and the like.
In this embodiment, the shared content includes multiple types of application programs, and the operating system of the participant terminal that provides the shared content employs: the Linux + Android dual system of the Ubuntu version.
And when the subsequent marking interaction is carried out, the conference convener terminal synchronously marks any participant terminal with the marking authority in the shared content presented by the auxiliary video of the participant terminal to other participant terminals except the marked participant terminal.
And step S102, each participant terminal of the video conference carries out marking interaction on the shared content in the auxiliary video based on the electronic whiteboard interactive service.
Specifically, the chairman terminal of the conference allocates a marking authority to each participant terminal based on the application of each participant terminal, or configures the marking authority to each participant terminal in advance; the chairman terminal itself also has the tagging authority. The tagging authority of the chairman terminal of the conference is the highest because the chairman terminal of the conference also allocates the tagging authority to other participant terminals besides having the tagging authority.
When the total number of the video conference participant terminals is more than three, any participant terminal with the marking authority marks the shared content presented by the auxiliary video based on the electronic whiteboard interactive service, and synchronizes the marks to other participant terminals except the marked participant terminal through the conference calling party terminal; and the other participant terminals are superposed and displayed in the shared content of the auxiliary video after receiving the marks based on the electronic whiteboard interactive service, wherein the other participant terminals also comprise the conference convener terminal, and the conference convener terminal is synchronized into the auxiliary video after receiving the marks sent by the marked participant terminals.
In addition, the embodiment also includes a special case, that is, when the total number of the video conference participant terminals is two, that is, the video conference participant terminals only include the conference convener terminal and one joining participant terminal, at this time, the two participant terminals need to perform label interaction and must have label authority at the same time, so that selective label authority configuration is not required, and the label interaction process does not need to be transferred through the conference convener terminal; in this case, any participant terminal marks the shared content presented by the auxiliary video based on the electronic whiteboard interactive service, and sends the mark to another participant terminal; and the other party terminal displays the mark in the shared content of the auxiliary video in an overlapping manner after receiving the mark based on the electronic whiteboard interactive service.
A second embodiment of the present invention is a content interaction method for a video conference, which is substantially the same as the first embodiment, except that in this embodiment, a tagging right is pre-configured for each participant terminal, so that a conference convener terminal does not need to determine a chairman terminal for assigning the tagging right.
In a third embodiment of the present invention, a content interaction system for a video conference includes:
and each participant terminal of the video conference is used for displaying the main video and sharing the auxiliary video, and performing marking interaction on the shared content in the auxiliary video based on the electronic whiteboard interactive service.
Specifically, each participant terminal is configured to present, based on the h.239 protocol, image information of a conference place where the local terminal and other participant terminals are located in the main video, and present, by the auxiliary video, content that needs to be shared in the video conference by a certain participant terminal.
As shown in fig. 3, among the participant terminals, there is one convener terminal;
the conference calling party terminal is used for creating a video conference, sequentially adding other participant terminals into the video conference in a sequential calling mode, and determining a conference chairman terminal, for example: the conference calling party terminal can determine any participant terminal as a chairman terminal according to the request of the participant terminal, when the video conference is on, all the participant terminals including the conference calling party terminal can request the conference calling party terminal to become a chairman, and according to the time sequence of the requests, the conference calling party terminal determines the participant terminal which requests the first participant terminal to become the chairman as the chairman terminal.
The conference convener terminal is also used for synchronizing the shared content provided by the participant terminal needing to share the content to each participant terminal; the shared content includes: an application screen or a remote desktop; types of applications include: white boards, office documents, entertainment applications, and the like;
in this embodiment, the conference call-in terminal may provide shared content to each participant terminal by itself, or may receive shared content sent from any participant terminal and send the shared content to each participant terminal, where each participant terminal does not include a participant terminal providing the shared content. The participant terminal providing the shared content can directly synchronize the shared content to the auxiliary video by the local background.
And the conference calling party terminal is also used for synchronously marking any participant terminal with the marking authority in the shared content presented by the auxiliary video of the participant terminal to other participant terminals except the marked participant terminal.
The conference chairman terminal is used for distributing marking authority to each participant terminal based on the application of each participant terminal or configuring the marking authority to each participant terminal in advance; the chairman terminal itself also has the tagging authority. The tagging authority of the chairman terminal of the conference is the highest because the chairman terminal of the conference also allocates the tagging authority to other participant terminals besides having the tagging authority.
When the total number of the video conference participant terminals is more than three, in the system, based on the electronic whiteboard interactive service,
any participant terminal is used for marking in the shared content presented by the auxiliary video when the participant terminal has the marking right, and synchronizing the mark to other participant terminals except the marked participant terminal through the conference calling party terminal;
the other participant terminals are used for displaying the marks in the shared content of the auxiliary video in an overlapping manner after receiving the marks; here, the other participant terminals also include a conference convener terminal, and the conference convener terminal may synchronize the auxiliary video after receiving the mark transmitted from the marked participant terminal.
In addition, this embodiment also includes a special case that when the total number of the video conference participant terminals is two, as shown in fig. 4, only the conference participant terminal and one joining participant terminal are included, and at this time, the two participant terminals need to perform tag interaction and must have tag permissions at the same time, so that selective tag permission configuration is not required, and the tag interaction process does not need to be performed through the conference participant terminal for transfer. In this case, in the system, based on an electronic whiteboard interaction service,
any party terminal, which is used for marking the shared content presented by the auxiliary video and sending the mark to another party terminal;
and the other party terminal is used for displaying the mark in the shared content of the auxiliary video in an overlapping way after receiving the mark.
A fourth embodiment of the present invention is a content interaction system for a video conference, which is substantially the same as the third embodiment, except that in this embodiment, each participant terminal is configured with a tagging right in advance, so that the terminal of the convener of the conference does not need to determine a chairman terminal for assigning the tagging right.
An example of an application of the technical solution according to the present invention for tagging interactions in terminals participating in a video conference is described below with reference to fig. 5-7.
The whiteboard interactive service when the terminals participating in the video conference use the dual video transport stream can solve the problem of data interaction in the video conference, allow any participant to label the shared content and other operations, and present the operations to all participants, which is a service very suitable for the application scene of the conference television.
In the secondary video, the background of the whiteboard includes the following three cases:
1) the whiteboard, a blank area, is sent directly, similar to opening a notepad, and drawing is performed with this as background.
2) Sending documents, such as: WORD, PPT, PDF, TXT, etc., drawing against a document as a background, where the scene needs to be markup document content.
3) And sending the application program, and drawing with the application program picture as a background. Applications include, but are not limited to, office software, entertainment software, remote applications, and the like.
Suppose three parties participate in the video conference at the same time, and the video conference is accessed to three terminals. The terminal 1 sends a dual video stream, the PPT is used as a whiteboard background, an auxiliary video is sent to the terminal 2 and the terminal 3, options such as whether whiteboard interaction is allowed or not can be configured when the dual video stream is sent, the whiteboard interaction can be performed only after application, and the whole video conference presents a picture as shown in fig. 5 after the dual video stream is successfully sent.
At present, conference televisions on the market can only be shared but not interacted, and the application example introduces a service flow of label interaction.
In the video conference process of fig. 5, it is assumed that the conference participants of the terminal 2 have doubt on a certain content in the PPT, and the process is as shown in fig. 6 to mark and explain the PPT. To mark a PPT, it is first necessary to confirm that there is a marking authority to interact with. The authority is configured by a chairman terminal in a video conference when a sender sends the PPT, and if the authority is configured to allow interaction, any participant has the authority to draw the PPT; if the system is configured to be interactive after application, the system needs to apply for the chairman and draw after the chairman obtains the approval. And displaying a state prompt indicating whether the PPT is authorized to be operated or not on a terminal interface.
The positions of the terminal 3 and the terminal 2 are equal, so the process of the terminal 3 for interacting is the same as that of the terminal 2. Once all terminals obtain the interaction right, all terminals can draw the PPT at the same time, and drawing traces of other parties to the PPT can be received at the same time.
All strokes are displayed on the terminals of all participants in the drawing process in real time, so that the requirement of real-time operation and real-time sharing is met.
During the video conference or after the video conference is finished, the shared content may be selected to be saved, where the shared content includes content for marking the shared content in the conference, and the process is as shown in fig. 7. The saved position can be the current conference terminal, and can also be saved in the peripheral of the terminal, such as a U disk.
Office software, such as Office from microsoft, is often used during video conferencing to record instant summaries on the fly. After the office software is installed, the office software can be directly operated on the conference equipment, and the current terminal interface can be used for sending the dual video transmission stream to realize sharing. When a video conference is in progress, important speech and the like are required to be recorded in real time, an operator at a certain terminal can create a word document through a menu key, record key contents, and send a dual video transmission stream if necessary, so that the current recorded contents are shared, and the whiteboard interactive function can be applied to make other participants complement descriptions on the records.
Remote desktop applications are programs that are used very frequently in video conferencing. In the application example, a remote desktop application program can be directly installed in the conference terminal to carry out remote desktop control on the PC, so that the trouble of carrying out remote desktop control on the PC through an external notebook computer is saved. When the video conference is needed, the conference terminal can open a remote application program through the menu, so that one PC can be remotely controlled, and the remote desktop can be sent to each participant through the dual video transmission stream to realize sharing.
When the application described above is used as an auxiliary video to send dual-stream sharing, a user can select a picture to be displayed and a display format of the picture by himself.
While the invention has been described in connection with specific embodiments thereof, it is to be understood that it is intended by the appended drawings and description that the invention may be embodied in other specific forms without departing from the spirit or scope of the invention.
Claims (10)
1. A method for content interaction in a video conference, comprising:
each participant terminal of the video conference shares the auxiliary video while displaying the main video, and carries out marking interaction on the shared content in the auxiliary video based on the electronic whiteboard interactive service;
each participant terminal of the video conference shares an auxiliary video, and the method specifically comprises the following steps:
each participant terminal is provided with a conference calling party terminal;
the conference convener terminal synchronizes the shared content provided by the participant terminal needing to share the content to each participant terminal; the shared content includes: an application program picture and a remote desktop;
when the total number of the video conference participant terminals is more than three, the method further comprises the following steps:
the conference calling party terminal determines a conference chairman terminal in each participant terminal, and the conference chairman terminal distributes marking authority for each participant terminal based on the application of each participant terminal.
2. The content interaction method for video conference as claimed in claim 1, wherein the application program comprises: white boards, office documents, entertainment applications.
3. The method for content interaction in video conference according to claim 2, wherein, alternatively, when the total number of the terminals of the participants in video conference is three or more, the method further comprises:
each participant terminal is pre-configured with a marking authority; or,
the conference calling party terminal determines a conference chairman terminal in each participant terminal, and the conference chairman terminal configures marking authority for each participant terminal in advance; the chairman terminal itself also has the tagging authority.
4. The content interaction method of the video conference according to claim 3, wherein each participant terminal of the video conference performs tag interaction on shared content in an auxiliary video based on an electronic whiteboard interaction service, specifically comprising:
any participant terminal with the marking authority marks the shared content presented by the auxiliary video based on the electronic whiteboard interactive service, and synchronizes the mark to other participant terminals except the marked participant terminal through the conference convener terminal; and after receiving the mark, the other participant terminals display the mark in the shared content of the auxiliary video in an overlapping manner.
5. The content interaction method of the video conference according to claim 2, wherein when the total number of the participant terminals of the video conference is two, each participant terminal of the video conference performs tag interaction on shared content in the auxiliary video based on an electronic whiteboard interaction service, specifically comprising:
any party terminal marks the shared content presented by the auxiliary video based on the electronic whiteboard interactive service, and sends the mark to another party terminal; and after receiving the mark, the other party terminal displays the mark in the shared content of the auxiliary video in an overlapping way.
6. A content interaction system for video conferencing, comprising:
each participant terminal of the video conference is used for displaying the main video and sharing the auxiliary video, and performing marking interaction on the shared content in the auxiliary video based on the electronic whiteboard interactive service;
each participant terminal is provided with a conference calling party terminal;
the conference convener terminal is used for synchronizing the shared content provided by the participant terminals needing to share the content to all the participant terminals; the shared content includes: an application program picture and a remote desktop;
when the total number of the terminals of the video conference participants is more than three:
each participant terminal is also provided with a conference chairman terminal; and the conference chairman terminal is determined by the conference calling party terminal and is used for distributing marking authority to each participant terminal based on the application of each participant terminal.
7. The system of claim 6, wherein the application comprises: white boards, office documents, entertainment applications.
8. The system of claim 7, wherein when the total number of the terminals of the participants in the video conference is three or more:
each participant terminal is pre-configured with a marking authority; or,
each participant terminal is also provided with a conference chairman terminal; the conference chairman terminal is determined by the conference calling party terminal and is used for configuring the marking authority for each participant terminal in advance; the chairman terminal of the conference also has a marking authority; and the conference convener terminal is also used for determining any participant terminal as a chairman terminal according to the request of the participant terminal.
9. The system of claim 8, wherein the system is based on electronic whiteboard interactive service,
any participant terminal is used for marking in the shared content presented by the auxiliary video when the participant terminal has the marking right, and synchronizing the mark to other participant terminals except the marked participant terminal through the conference calling party terminal;
and the other participant terminals are used for displaying the marks in the shared content of the auxiliary video in an overlapping manner after receiving the marks.
10. The system of claim 7, wherein when the total number of the terminals of the participants of the video conference is two, in the system, based on the electronic whiteboard interactive service,
any party terminal, which is used for marking the shared content presented by the auxiliary video and sending the mark to another party terminal;
and the other party terminal is used for displaying the mark in the shared content of the auxiliary video in an overlapping way after receiving the mark.
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