CN114286148A - Screen sharing method for dynamically controlling content range - Google Patents
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- CN114286148A CN114286148A CN202111615534.1A CN202111615534A CN114286148A CN 114286148 A CN114286148 A CN 114286148A CN 202111615534 A CN202111615534 A CN 202111615534A CN 114286148 A CN114286148 A CN 114286148A
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- 238000004891 communication Methods 0.000 claims abstract description 52
- 239000000725 suspension Substances 0.000 claims abstract description 15
- 230000005540 biological transmission Effects 0.000 claims abstract description 7
- 230000000977 initiatory effect Effects 0.000 claims description 33
- 230000008569 process Effects 0.000 claims description 13
- 230000006798 recombination Effects 0.000 claims description 6
- 238000005215 recombination Methods 0.000 claims description 6
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Abstract
The invention discloses a screen sharing method for dynamically controlling content range, which comprises the following steps: carrying out instant messaging; customizing an initial shared area screen; dynamically adjusting a shared area screen in real time; capturing a video frame in a shared area screen; inserting a transparent suspension editing layer for batch operation, and realizing batch operation on the basis of ensuring the definition of a shared screen and not changing the actual screen content; combining the video frame with the suspension editing layer to form a new video frame; and transmitting the new video frame to the server through instant messaging, and then forwarding the new video frame through the server. The method has the advantages of facilitating better communication and signing, better meeting diversified requirements, and being capable of carrying out discussion communication and file transmission in an editing frame while watching videos.
Description
Technical Field
The invention relates to the field of communication, in particular to a screen sharing method for dynamically controlling content range.
Background
With the development of various intelligent display terminals, the application of the intelligent display terminal is more and more popular, especially for mobile intelligent terminals such as desktop computers, notebooks, etc. Meanwhile, with the development of communication technology, the real-time screen sharing technology between the intelligent mobile terminals is more and more mature. The screen sharing and interaction refers to the sharing and interaction of screens, media content information and the like between devices based on various types of devices with screen display functions.
The sharing of the screen is that the complete screen is transmitted to the client software on other devices with screen display functions for watching in a sharing mode. However, the currently shared screen has the following disadvantages:
1. the shared screen is a complete screen, the range of the shared area can not be selected by self-definition, and the dynamic adjustment of the range of the shared area can not be realized in the sharing process;
2. the intuitive batch operation can not be carried out on the shared screen of the dynamic change area;
disclosure of Invention
An object of the present invention is to provide a screen sharing method of dynamically controlling a content range, which solves one or more of the above-mentioned problems of the prior art.
In a first aspect, the present invention provides a screen sharing method for dynamically controlling a content range, including:
carrying out instant messaging;
customizing an initial shared area screen;
dynamically adjusting a shared area screen in real time;
capturing a video frame in a shared area screen;
and forwarding the video frame through the communication server.
In some embodiments, the method for performing instant messaging comprises:
establishing connection between a client and a server to form a message communication tunnel, maintaining long connection by using a heartbeat mechanism, and then realizing message transmission between the clients through forwarding of the server to realize instant messaging;
the client comprises an initiating terminal and a receiving terminal, wherein the initiating terminal is connected with the receiving terminal through a server, and one initiating terminal corresponds to one receiving terminal or a plurality of receiving terminals.
In some embodiments, the method for customizing the initial shared area screen comprises the following steps:
taking the whole screen shot as a background layer;
dragging a selection area on a background image layer to serve as a shared area screen, wherein the area is a closed area which is enclosed and has a regular shape or an irregular shape, the regular shape comprises but is not limited to a rectangle, a circle and an ellipse, the closed area is a closed path which is enclosed by a plurality of vertexes, each vertex has a previous vertex and a next vertex according to the sequence on the closed path, a path chain table is generated when the closed area is formed, the path chain table comprises a plurality of nodes, and the nodes are used for recording the vertexes on the closed path or a plurality of intermediate points between the vertexes on the closed path;
and saving the area position information, wherein the area position information comprises a path chain table and coordinates of each node in the path chain table.
In some embodiments, the process of dynamically adjusting the shared area screen in real time is:
and dynamically moving or zooming and dragging the selected region in real time to form a recombination region, acquiring relative position change data in the region moving or zooming process, calculating region position information of the recombination region according to the relative position change data, and storing the region position information.
In some embodiments, the method of capturing a video frame in the shared area screen is:
screenshot is conducted on the whole screen to obtain a screenshot;
and cutting the screenshot according to the region position information to obtain a region picture, wherein the region picture is each frame of video.
In some embodiments of the present invention, the substrate is,
when a shared area screen is customized, inserting a transparent suspension editing layer on the shared area screen;
performing circle batch operation on the suspension editing layer;
combining the video frame and the suspension editing layer to form a new video frame through point location conversion;
and transmitting the new video frame to the server through instant messaging, and then forwarding the new video frame through the server.
In some embodiments of the present invention, the substrate is,
the video frames are transmitted to the server in real time by rtmp protocol,
the server stores each frame of video frame to form a video data stream for the client to invoke for playback.
In a second aspect, the present invention provides a group discussion method of a screen sharing method applying a dynamic control content range, including:
creating a communication session group;
clicking a screen sharing button, initiating communication information of a shared screen to other members in the communication conversation group, triggering and executing the screen sharing method for dynamically controlling the content range, and carrying out regional screen sharing;
the shared area screen is associated with an edit box, and the edit box is used for communicating members in the conversation group to carry out real-time communication discussion.
In some embodiments, the communication information for initiating the shared screen to other members in the communication session group and the real-time communication discussion of the group members in the communication session group are both realized by forwarding and transferring through the TCP server, and the area screen sharing is realized by forwarding and transferring through the streaming media server.
In some embodiments, other member points in the communication session group develop communication information of a shared screen, a play window is formed on one side of the communication session group on the screen of the member, a port corresponding to the member is connected with the streaming media server, a play instruction is sent to the streaming media server, a video frame pushed by the streaming media server is received, and then transcoding and playing are performed on the play window.
The screen sharing method for dynamically controlling the content range has the advantages that:
1. the functions of customizing a shared area screen and dynamically adjusting the shared area screen in the sharing process are realized, the selectivity of a user is enhanced, and the privacy in the area screen sharing process is improved;
2. a transparent suspension editing layer is inserted into the shared area screen, so that the batch operation is realized on the basis of ensuring the definition of the shared screen and not changing the actual screen content, better communication and batch is facilitated, and diversified requirements are better met;
3. the method can realize that a plurality of people watch the video of the screen of the shared area at the same time, and can carry out discussion communication and file transmission in the edit box while watching;
4. the transmission of the information and the files for discussion and communication is carried out by relying on a TCP server, the video frame is transmitted by relying on a streaming media server, and the reliability in the data transmission process is improved through the design of the two different channels.
Drawings
Fig. 1 is a flowchart of a screen sharing method for dynamically controlling a content range according to embodiment 2 of the present invention.
Detailed Description
Example 1
The embodiment provides a system for sharing a regional screen based on instant messaging, which comprises a client and a server, wherein the client comprises an initiating terminal and a receiving terminal, the server comprises a TCP server and a streaming media server, and a computer is taken as the client for example.
The screen sharing method for dynamically controlling the content range provided in the embodiment includes the following steps:
s1.1, a client side is connected with a TCP server through a socket to form a message communication tunnel between the client side and the server, and long connection is kept by using a heartbeat mechanism to realize instant messaging;
s1.2, an initiating terminal initiates a request for connecting one or more receiving terminals to share screen communication information to a TCP server, the TCP server identifies the receiving terminals through identification marks corresponding to the receiving terminals and forwards the request for sharing the screen communication information to the corresponding receiving terminals, and the identification marks are one or more of information with identification functions, such as user names, IDs (identity) and the like;
s1.3, an operator self-defines a shared area screen through an initiating terminal, wherein the method for self-defining the shared area screen comprises the following steps:
s1.3.1, the initiating end intercepts the whole screen as a background image layer;
s1.3.2, an operator drags a selection area on a background image layer through a mouse at an initiating end to serve as a shared area screen, the area is a closed area which is encircled to be in a regular shape or an irregular shape, the regular shape includes but is not limited to a rectangle, a circle and an ellipse, the closed area is a closed path which is surrounded by a plurality of vertexes, each vertex has a previous vertex and a next vertex according to the sequence on the closed path, a path chain table is generated when the closed area is formed and comprises a plurality of nodes, the nodes are used for recording the vertexes on the closed path or a plurality of points between the vertexes on the closed path, wherein the generation step of the path chain table is the prior art, and therefore, the description is omitted;
s1.3.3, saving area position information of the shared area screen, wherein the area position information comprises a path chain table and coordinates of each node in the path chain table;
s1.4, capturing a video frame in a shared area screen, wherein the method comprises the following steps:
s1.4.1, carrying out screenshot on the whole screen to obtain a screenshot;
s1.4.2, cutting the screenshot according to the region position information to obtain a region picture, wherein the region picture is each frame of video;
s1.5, establishing network connection between an initiating terminal and a streaming media server, wherein the initiating terminal transmits video frames to the streaming media server in real time through an rtmp protocol;
s1.6, a receiving end receives a request for sharing screen communication information, the receiving end is connected with a streaming media server in a building mode, a playing instruction is sent to the streaming media server, and a video playing window pops up on a screen of the receiving end;
s1.7, the streaming media server starts to push video data, namely video frames, to a current receiving end;
s1.8, the receiving end receives the video data, and if the video data is null, the video playing window has no video playing; if the video data is not null, the receiving end successfully receives the video data, transcodes the video data and then plays the corresponding video content in the video playing window.
In the process of executing the screen sharing method for dynamically controlling the content range, the video data can be transmitted to the streaming media server and simultaneously stored in the streaming media server to form video stream data for the client to call and play back.
In the process of S1.4-S1.8, the user can use the mouse to select movement or zooming to achieve the purpose of dynamically adjusting the shared area screen in real time, and assume that the current coordinate of a certain node is (X1, y1), the movement to the right on the X axis is a positive value, and the movement to the left is a negative value; the upward movement on the Y axis is positive and the downward movement is negative,
when the movement is selected, displacement data can be directly input or the mouse can be pressed for a long time to achieve the purpose of movement, a1(a1 is a number smaller than 0) which is opposite to left displacement on an X axis and b1(b1 is a number larger than 0) which is opposite to left displacement on a Y axis are obtained, then coordinates after the node displacement are (X1+ a1, Y1+ b1), and so on, coordinates of each node in a path chain table are calculated to form coordinates of a new node, and the path chain table and the obtained coordinates of the new node are combined to form area position information of a recombination area;
when the scaling is selected, the scaling value e (e is a number greater than 0) is obtained by directly inputting the scaling or determining the scaling through sliding a mouse wheel, then the scaled coordinates of the nodes are (x1 × e, y1 × e), and by analogy, the coordinates of each node in the path chain table are calculated to form the coordinates of a new node, and the path chain table and the obtained coordinates of the new node are combined to form the region position information of the recombination region;
and then re-performing S1.4-S1.8 according to the region location information of the reformed region.
Example 2
With reference to the content shown in fig. 1, the present embodiment provides a system for sharing a local screen based on instant messaging, which includes a client and a server, wherein the client includes an initiating terminal and a receiving terminal, and the server includes a TCP server and a streaming server, taking a computer as an example of the client.
The screen sharing method for dynamically controlling the content range provided in the embodiment includes the following steps:
s2.1, the client side is connected with a TCP server through a socket to form a message communication tunnel between the client side and the server, and long connection is kept by using a heartbeat mechanism to realize instant messaging;
s2.2, an initiating terminal initiates a request for connecting one or more receiving terminals to share screen communication information to a TCP server, the TCP server identifies the receiving terminals through identification marks corresponding to the receiving terminals and forwards the request for sharing the screen communication information to the corresponding receiving terminals, and the identification marks are one or more of information with identification functions, such as user names, IDs (identity) and the like;
s2.3, an operator self-defines a shared area screen through an initiating terminal, wherein the method for self-defining the shared area screen comprises the following steps:
s2.3.1, the initiating end intercepts the whole screen as a background image layer;
s2.3.2, an operator drags a selection area on a background image layer through a mouse at an initiating end to serve as a shared area screen, the area is a closed area which is encircled to be in a regular shape or an irregular shape, the regular shape includes but is not limited to a rectangle, a circle and an ellipse, the closed area is a closed path which is surrounded by a plurality of vertexes, each vertex has a previous vertex and a next vertex according to the sequence on the closed path, a path chain table is generated when the closed area is formed and comprises a plurality of nodes, the nodes are used for recording the vertexes on the closed path or a plurality of points between the vertexes on the closed path, wherein the generation step of the path chain table is the prior art, and therefore, the description is omitted;
s2.3.3, saving area position information of the shared area screen, wherein the area position information comprises a path chain table and coordinates of each node in the path chain table;
s2.4, capturing a video frame in the screen of the shared area, wherein the method comprises the following steps:
s2.4.1, carrying out screenshot on the whole screen to obtain a screenshot;
s2.4.2, cutting the screenshot according to the region position information to obtain a region picture, wherein the region picture is each frame of video;
s2.5, inserting a transparent suspension editing layer on a shared area screen of an initiating end, performing circle batch operation on the suspension editing layer, and combining the video frame and the suspension editing layer to form a new video frame through point location conversion;
s2.6, establishing network connection between the initiating terminal and the streaming media server, wherein the initiating terminal transmits a new video frame to the streaming media server in real time through a rtmp protocol;
s2.7, the receiving end receives the request for sharing the screen communication information, the receiving end is connected with the streaming media server in a building mode, a playing instruction is sent to the streaming media server, and a video playing window pops up on a screen of the receiving end;
s2.8, the streaming media server starts to push video data, namely a new video frame, to the current receiving end;
s2.9, the receiving end receives the video data, and if the video data is null, the video playing window has no video playing; if the video data is not null, the receiving end successfully receives the video data, transcodes the video data and then plays the corresponding video content in the video playing window.
In the process of executing the screen sharing method for dynamically controlling the content range, the video data can be transmitted to the streaming media server and simultaneously stored in the streaming media server to form video stream data for the client to call and play back.
In this embodiment, the ratio and the width and the height of the background layer of the area screen are the same as those of the floating editing layer, so that the corresponding relationship is just formed between the point locations of the background layer of the area screen and the floating editing layer.
In the process of executing S2.4-S2.9, the user can use the method described in example 1 to implement the purpose of dynamically adjusting the screen of the shared area in real time by selecting movement or zooming of the mouse.
Example 3
The group discussion system provided in the embodiment includes a client and a server, where the server includes a TCP server and a streaming server, and a computer is taken as the client.
The embodiment provides a group discussion method of a screen sharing method applying a dynamic control content range, which comprises the following steps:
s3.1, the client side is connected with a TCP server through a socket to form a message communication tunnel between the client side and the server, long connection is kept through a heartbeat mechanism, and message transmission between the client sides is achieved through forwarding of the TCP server;
s3.2, a communication session group is established at the client, the end part of one member in the communication session group serves as an initiating end, the initiating end initiates communication information for sharing a screen area screen to a receiving end (namely the end parts of other members in the communication session group), communication information is transmitted through a TCP server, and each receiving end receives the communication information;
s3.3, an operator self-defines the shared area screen through the initiating terminal, and the method for self-defining the shared area screen comprises the following steps:
s3.3.1, the initiating end intercepts the whole screen as a background image layer;
s3.3.2, an operator drags a selection area on a background image layer through a mouse at an initiating end to serve as a shared area screen, the area is a closed area which is encircled to be in a regular shape or an irregular shape, the regular shape includes but is not limited to a rectangle, a circle and an ellipse, the closed area is a closed path which is surrounded by a plurality of vertexes, each vertex has a previous vertex and a next vertex according to the sequence on the closed path, a path chain table is generated when the closed area is formed and comprises a plurality of nodes, the nodes are used for recording the vertexes on the closed path or a plurality of points between the vertexes on the closed path, wherein the generation step of the path chain table is the prior art, and therefore, the description is omitted;
s3.3.3, saving area position information of the shared area screen, wherein the area position information comprises a path chain table and coordinates of each node in the path chain table;
s3.4, capturing a video frame in the screen of the shared area, wherein the method comprises the following steps:
s3.4.1, carrying out screenshot on the whole screen to obtain a screenshot;
s3.4.2, cutting the screenshot according to the region position information to obtain a region picture, wherein the region picture is each frame of video;
s3.5, inserting a transparent suspension editing layer on the shared area screen of the initiating end, performing circle batch operation on the suspension editing layer, and combining the video frame and the suspension editing layer to form a new video frame through point location conversion;
s3.6, establishing network connection between the initiating terminal and the streaming media server, wherein the initiating terminal transmits the new video frame to the streaming media server in real time through the rtmp protocol;
s3.7, the receiving end can select whether to click on the communication information of the shared area screen, if the receiving end clicks on the communication information of the shared area screen, the receiving end is connected with the streaming media server in a building mode and sends a playing instruction to the streaming media server, and a video playing window pops up on the screen of the receiving end;
s3.8, the streaming media server starts to push video data, namely a new video frame, to the current receiving end;
s3.9, the receiving end receives the video data, and if the video data is null, the video playing window has no video playing; if the video data is not null, the receiving end successfully receives the video data, transcodes the video data and then plays the corresponding video content in the video playing window.
In the execution process of the method, the video data can be simultaneously stored in the streaming media server to form video stream data while being sent to the streaming media server, and the video stream data is transmitted to the group file of the communication session group after the screen of the sharing area, so that the members in the communication session group can conveniently call and play back.
In this embodiment, the ratio and the width and the height of the background layer of the area screen are the same as those of the floating editing layer, so that the corresponding relationship is just formed between the point locations of the background layer of the area screen and the floating editing layer.
In the process of S32.4-S3.9, the user can use the method described in example 1 to implement the purpose of dynamically adjusting the screen of the shared area in real time by selecting movement or zooming of the mouse.
It will be apparent to those skilled in the art that various similar changes and modifications can be made without departing from the inventive concept, and these changes and modifications should be considered to be within the scope of the present invention.
Claims (10)
1. A screen sharing method for dynamically controlling a content range, comprising:
carrying out instant messaging;
customizing an initial shared area screen;
dynamically adjusting a shared area screen in real time;
capturing a video frame in a shared area screen;
and forwarding the video frame through the communication server.
2. The screen sharing method for dynamically controlling a content range according to claim 1, wherein the method for performing instant messaging comprises:
establishing connection between a client and a server to form a message communication tunnel, maintaining long connection by using a heartbeat mechanism, and then realizing message transmission between the clients through forwarding of the server to realize instant messaging;
the client comprises an initiating terminal and a receiving terminal, wherein the initiating terminal is connected with the receiving terminal through a server, and one initiating terminal corresponds to one receiving terminal or a plurality of receiving terminals.
3. The screen sharing method of dynamically controlling a content range according to claim 1, wherein the method of customizing the initial shared area screen is:
taking the whole screen shot as a background layer;
dragging a selection area on a background graphic layer to serve as a shared area screen, wherein the area is a closed area which is enclosed and has a regular shape or an irregular shape, the regular shape comprises but is not limited to a rectangle, a circle and an ellipse, the closed area is a closed path which is enclosed by a plurality of vertexes, each vertex has a previous vertex and a next vertex according to the sequence on the closed path, a path chain table is generated when the closed area is formed, the path chain table comprises a plurality of nodes, and the nodes are used for recording the vertexes on the closed path or a plurality of intermediate points between the vertexes on the closed path;
and saving the area position information, wherein the area position information comprises a path chain table and coordinates of each node in the path chain table.
4. The screen sharing method of claim 3, wherein the process of dynamically adjusting the shared area screen in real time is:
and dynamically moving or zooming and dragging the selected region in real time to form a recombination region, acquiring relative position change data in the region moving or zooming process, calculating region position information of the recombination region according to the relative position change data, and storing the region position information.
5. The screen sharing method of dynamically controlling a content range according to claim 3 or 4, wherein the method of capturing the video frame in the shared area screen is:
screenshot is conducted on the whole screen to obtain a screenshot;
and cutting the screenshot according to the region position information to obtain a region picture, wherein the region picture is each frame of video.
6. The screen sharing method of dynamically controlling a content range according to any one of claims 1, 3 and 4,
when a shared area screen is customized, inserting a transparent suspension editing layer on the shared area screen;
performing circle batch operation on the suspension editing layer;
combining the video frame and the suspension editing layer to form a new video frame through point location conversion;
and transmitting the new video frame to a server for storage and forwarding through instant messaging.
7. The screen sharing method of dynamically controlling a content range according to claim 6,
the video frames are transmitted to the server in real time by rtmp protocol,
the server stores each frame of video frame to form a video data stream for the client to invoke for playback.
8. A group discussion method of a screen sharing method applying a dynamic control content range, comprising:
creating a communication session group;
clicking a screen sharing button, initiating communication information of a shared screen to other members in the communication conversation group, and triggering to execute the screen sharing method for dynamically controlling the content range according to any one of claims 1 to 7 to perform regional screen sharing;
the shared area screen is associated with an edit box, and the edit box is used for communicating members in the conversation group to carry out real-time communication discussion.
9. The group discussion method of claim 8, wherein the communication information for initiating the shared screen to other members in the communication session group and the real-time communication discussion of the group members in the communication session group are realized by forwarding and transferring through a TCP server, and the area screen sharing is realized by forwarding and transferring through a streaming media server.
10. The group discussion method of claim 9, wherein other member points in the communication session group develop communication information sharing a screen, a play window is formed on one side of the communication session group on the screen of the member, a port corresponding to the member establishes a connection with the streaming media server, a play instruction is sent to the streaming media server, a video frame pushed by the streaming media server is received, and then the video frame is transcoded and played in the play window.
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110737638A (en) * | 2018-07-19 | 2020-01-31 | 杭州海康威视数字技术股份有限公司 | data sharing method, device, electronic equipment and storage medium |
| CN111654661A (en) * | 2020-06-17 | 2020-09-11 | 深圳康佳电子科技有限公司 | Video conference annotation method, video conference server and storage medium |
| CN112286431A (en) * | 2020-10-30 | 2021-01-29 | 联想(北京)有限公司 | Method and device for processing video sharing content and electronic equipment |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110737638A (en) * | 2018-07-19 | 2020-01-31 | 杭州海康威视数字技术股份有限公司 | data sharing method, device, electronic equipment and storage medium |
| CN111654661A (en) * | 2020-06-17 | 2020-09-11 | 深圳康佳电子科技有限公司 | Video conference annotation method, video conference server and storage medium |
| CN112286431A (en) * | 2020-10-30 | 2021-01-29 | 联想(北京)有限公司 | Method and device for processing video sharing content and electronic equipment |
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