CN115022726B - Surrounding information generation and barrage display methods, devices, equipment and storage medium - Google Patents
Surrounding information generation and barrage display methods, devices, equipment and storage medium Download PDFInfo
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/47—End-user applications
- H04N21/478—Supplemental services, e.g. displaying phone caller identification, shopping application
- H04N21/4788—Supplemental services, e.g. displaying phone caller identification, shopping application communicating with other users, e.g. chatting
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/431—Generation of visual interfaces for content selection or interaction; Content or additional data rendering
- H04N21/4312—Generation of visual interfaces for content selection or interaction; Content or additional data rendering involving specific graphical features, e.g. screen layout, special fonts or colors, blinking icons, highlights or animations
- H04N21/4316—Generation of visual interfaces for content selection or interaction; Content or additional data rendering involving specific graphical features, e.g. screen layout, special fonts or colors, blinking icons, highlights or animations for displaying supplemental content in a region of the screen, e.g. an advertisement in a separate window
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/431—Generation of visual interfaces for content selection or interaction; Content or additional data rendering
- H04N21/4318—Generation of visual interfaces for content selection or interaction; Content or additional data rendering by altering the content in the rendering process, e.g. blanking, blurring or masking an image region
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Abstract
The application relates to a surrounding information generation and barrage display method, device and equipment and a storage medium, and relates to the field of multimedia processing. The surrounding information generating method comprises the following steps: acquiring each target playing time indication information, wherein each target playing time indication information corresponds to a target frame sequence in a video to be processed, and the change amplitude of the object size in the target frame sequence is smaller than a threshold value; acquiring position information of each target object corresponding to each target playing time indication information; acquiring position information of a barrage surrounding center according to the position information of each target object; acquiring the bullet screen surrounding size according to the position information of each target object; and taking the position information of the bullet screen surrounding center and the bullet screen surrounding size as surrounding information corresponding to the indication information of each target playing time in the video to be processed. The application is used for solving the problem of single bullet screen style.
Description
Technical Field
The present application relates to the field of multimedia processing, and in particular, to a method, apparatus, device, and storage medium for generating surrounding information and displaying a bullet screen.
Background
With the progress and application of information technologies such as mobile internet, cloud computing, big data, etc., streaming media application has become an integral part of people's life. In order to promote the interaction mechanism of users, streaming media service providers play a role in connecting video content and users. The barrage not only adds the time labels of the associated video content to the comments, but also can greatly enrich the video content, and is most critical to enable other users to generate the feeling of interactive chat. With the continued update of the barrage content, the video content is given secondary or continued production capability, even though some classical old dramas combine with the current barrage to re-activate the generator. The barrage reduces the threshold of common audience to participate in video re-creation, and effectively prolongs the life cycle of video content.
The traditional barrage display form rolls from the right side of the screen to the left side of the screen, so that the animation effect is single, and the participation and the sending willingness of a user cannot be effectively improved.
Disclosure of Invention
The application provides a surrounding information generation method, a surrounding information generation device, a surrounding information display device, a surrounding information generation barrage display device, a barrage display storage medium and a barrage display storage medium, which are used for solving the problem of single barrage style.
In a first aspect, the present application provides a method for generating surrounding information, which is applied to a server, and includes:
acquiring target playing time indication information, wherein the target playing time indication information corresponds to a target frame sequence in a video to be processed, and the change amplitude of the object size in the target frame sequence is smaller than a threshold value;
acquiring position information of each target object corresponding to each target playing time indication information;
acquiring position information of a barrage surrounding center according to the position information of each target object;
acquiring the bullet screen surrounding size according to the position information of each target object;
and taking the position information of the bullet screen surrounding center and the bullet screen surrounding size as surrounding information corresponding to the target playing time indication information in the video to be processed.
Optionally, before the obtaining the position information of each target object corresponding to each target playing time indication information, the method further includes:
acquiring a mapping relation between playing time indication information and object position information in the video to be processed;
the obtaining the position information of each target object corresponding to each target playing time indication information includes:
And searching the position information of each target object corresponding to each target playing time indication information according to the mapping relation.
Optionally, the obtaining the indication information of each target playing time includes:
acquiring a mask image corresponding to the playing time indication information, wherein an object area in the mask image is marked by a first color, and a background area is marked by a second color;
obtaining the similarity between the mask images;
taking each mask image with the similarity larger than a similarity threshold as a target mask image;
and searching each target playing time indication information corresponding to the target mask image.
Optionally, before the obtaining the similarity between the mask images, the method further includes:
acquiring the size of the object area in each mask image;
and screening out the mask image of which the size of the object area is smaller than a preset value.
Optionally, the acquiring the location information of the barrage surrounding center according to the location information of each target object includes:
determining the change amplitude of the object position in the target frame sequence according to the position information of each target object;
Acquiring a bullet screen surrounding center position information calculation strategy according to the change amplitude of the object position;
and acquiring the position information of the barrage surrounding center according to the barrage surrounding center position information calculation strategy.
Optionally, the acquiring a calculation strategy of the position information of the bullet screen surrounding center according to the change amplitude of the object position includes:
comparing the change amplitude of the object position with a preset change amplitude value;
if the variation amplitude of the object position is smaller than or equal to the preset variation amplitude value, the calculation strategy of the bullet screen surrounding center position information is as follows: acquiring the position information of each object center point in the target frame sequence according to the position information of each target object, and determining the position information of a barrage surrounding center and the barrage surrounding center according to the position information of each object center point;
if the change amplitude of the object position is larger than the preset change amplitude value, the bullet screen surrounding center position information calculation strategy is as follows: and acquiring the position information of each object center point in the target frame sequence according to the position information of each target object, and taking the position information of each object center point as the position information of the surrounding center of each barrage.
Optionally, the acquiring the barrage surrounding size according to the position information of each target object includes:
acquiring object width information in the target frame sequence according to the position information of each target object;
acquiring a barrage surrounding radius according to the object width information;
and taking the barrage encircling radius as the barrage encircling size.
In a second aspect, the present application provides a barrage display method, applied to a client, including:
acquiring bullet screen contents marked as a surrounding bullet screen;
acquiring playing time indication information corresponding to the barrage content, and acquiring target surrounding information corresponding to the playing time indication information, wherein the target surrounding information comprises position information of a barrage surrounding center and barrage surrounding size;
and according to the target surrounding information, when the video to be played is played to the playing time indication information, drawing the barrage content into a stereoscopic surrounding barrage for display.
Optionally, before the obtaining the target surrounding information corresponding to the playing time indication information, the method further includes:
acquiring a video playing request, wherein the video playing request comprises the identification of the video to be played;
And acquiring surrounding information corresponding to the identification of the video to be played, wherein a corresponding relationship exists between the surrounding information and the target playing time indication information.
Optionally, the stereoscopic surrounding barrage is in a three-dimensional annular shape.
Optionally, the stereoscopic surrounding type barrage has a shadow effect.
Optionally, before the acquiring the surrounding information corresponding to the identifier of the video to be played, the method further includes:
sending a surrounding information inquiry request to a server, wherein the surrounding information inquiry request comprises an identifier of the video to be played;
and acquiring feedback information sent by the server, wherein the feedback information is used for indicating that the video to be played contains surrounding information.
Optionally, before the acquiring the bullet screen content marked as the surrounding bullet screen, the method further includes:
and displaying a guiding barrage when the video to be played is played to the target playing time indication information, wherein the guiding barrage is used for prompting a target person surrounded by surrounding information corresponding to the target playing time indication information.
In a third aspect, the present application provides a surrounding information generating apparatus configured in a server, including:
The first acquisition module is used for acquiring each piece of target playing time indication information, wherein each piece of target playing time indication information corresponds to a target frame sequence in a video to be processed, and the change amplitude of the object size in the target frame sequence is smaller than a threshold value;
the second acquisition module is used for acquiring the position information of each target object corresponding to each target playing time indication information;
the third acquisition module is used for acquiring the position information of the bullet screen surrounding center according to the position information of each target object;
the fourth acquisition module is used for acquiring the bullet screen surrounding size according to the position information of each target object;
and the first processing module is used for taking the position information of the bullet screen surrounding center and the bullet screen surrounding size as surrounding information corresponding to the target playing time indication information in the video to be processed.
In a fourth aspect, the present application provides a barrage display device configured at a client, including:
the fifth acquisition module is used for acquiring bullet screen contents marked as a surrounding bullet screen;
a sixth acquisition module, configured to acquire playing time indication information corresponding to the barrage content, and acquire target surrounding information corresponding to the playing time indication information, where the target surrounding information includes position information of a barrage surrounding center and barrage surrounding size;
And the second processing module is used for drawing the barrage content into a stereoscopic surrounding barrage for display when the video to be played is played to the playing time indication information according to the target surrounding information.
In a fifth aspect, the present application provides an electronic device, comprising: the device comprises a processor, a memory and a communication bus, wherein the processor and the memory are communicated with each other through the communication bus; the memory is used for storing a computer program; the processor is configured to execute the program stored in the memory, implement the method for generating surrounding information according to the first aspect, or implement the bullet screen display method according to the second aspect.
In a sixth aspect, the present application provides a computer-readable storage medium storing a computer program which, when executed by a processor, implements the surround information generating method of the first aspect, or implements the bullet screen display method of the second aspect.
Compared with the prior art, the technical scheme provided by the embodiment of the application has the following advantages: in the embodiment of the application, a server acquires each piece of target playing time indication information, wherein each piece of target playing time indication information corresponds to a target frame sequence in a video to be processed, the change amplitude of the object size in the target frame sequence is smaller than a threshold value, each piece of target object position information corresponding to each piece of target playing time indication information is acquired, the position information of a barrage surrounding center is acquired according to each piece of target object position information, the barrage surrounding size is acquired according to each piece of target object position information, and the position information of the barrage surrounding center and the barrage surrounding size are used as surrounding information corresponding to each piece of target playing time indication information in the video to be processed.
The change amplitude of the object size in the target frame sequence is smaller than a threshold value, which indicates that the object size in the target frame sequence is not changed severely, scene switching between close view and distant view is not performed, namely, the object in the target frame sequence is suitable for bullet screen surrounding, the bullet screen surrounding effect is stable, the target frame sequence corresponds to each target playing time indication information, the server acquires the position information of the bullet screen surrounding center and the bullet screen surrounding size according to each target object position information corresponding to each target playing time indication information, and further generates surrounding information, so that a subsequent client can conveniently draw bullet screen content into a stereoscopic surrounding bullet screen for display according to the surrounding information, the bullet screen content surrounds the object for stereoscopic surrounding display, the bullet screen content can be combined with the object more tightly, and the display of the comment of the object by the user or the internal single heart of the object is effectively enhanced. The stereoscopic surrounding type barrage is novel in style, the participation feeling of a user and the barrage sending willingness can be effectively improved, and the problem of single barrage style is solved.
The method comprises the steps that a client side obtains bullet screen content marked as a surrounding bullet screen, obtains playing time indication information corresponding to the bullet screen content, and obtains target surrounding information corresponding to the playing time indication information, wherein the target surrounding information comprises position information of a bullet screen surrounding center and bullet screen surrounding size, and according to the target surrounding information, when a video to be played is played to the playing time indication information, the bullet screen content is drawn into a three-dimensional surrounding bullet screen to be displayed.
The client acquires corresponding playing time indication information and target surrounding information through the barrage content marked as the surrounding barrage, and draws the barrage content into a stereoscopic surrounding barrage for display when the video to be played is played to the playing time indication information according to the target surrounding information, so that the barrage content surrounds an object for stereoscopic surrounding display, the barrage content can be more tightly combined with the object, and the presentation of the comment of the user on the object or the mind of the object is effectively enhanced. The stereoscopic surrounding type barrage is novel in style, the participation feeling of a user and the barrage sending willingness can be effectively improved, and the problem of single barrage style is solved.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the application and together with the description, serve to explain the principles of the application.
FIG. 1 is a schematic flow chart of a method for generating ring information in an embodiment of the application;
FIG. 2 is a flowchart of a method for obtaining indication information of each target playing time according to an embodiment of the present application;
FIG. 3 is a flowchart of a method for obtaining location information of a barrage surrounding center according to an embodiment of the present application;
FIG. 4 is a flowchart of a method for obtaining a calculation strategy for surrounding center position information of a bullet screen according to an embodiment of the present application;
FIG. 5 is a schematic flow chart of a method for displaying a bullet screen according to an embodiment of the present application;
FIG. 6 is a schematic diagram of an architecture of a bullet screen display system according to an embodiment of the present application;
FIG. 7 is a schematic view showing a stereoscopic surround type barrage according to an embodiment of the present application;
FIG. 8 is a schematic diagram of a configuration of a ring information generating apparatus according to an embodiment of the present application;
FIG. 9 is a schematic diagram of a bullet screen display device according to an embodiment of the present application;
fig. 10 is a schematic structural diagram of an electronic device according to an embodiment of the application.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present application more clear, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application.
The term "and/or" is herein merely an association relationship describing an associated object, meaning that there may be three relationships, e.g., a and/or B, may represent: a exists alone, A and B exist together, and B exists alone. In addition, the character "/" herein generally indicates that the front and rear associated objects are an "or" relationship.
The embodiment of the application provides a surrounding information generation method, which is applied to a server. In the embodiment of the present application, as shown in fig. 1, the flow of the method for generating the surrounding information mainly includes:
step 101, obtaining indication information of each target playing time.
The target playing time indication information corresponds to a target frame sequence in the video to be processed, and the change amplitude of the object size in the target frame sequence is smaller than a threshold value.
The target playing time indication information is used for indicating the target playing time, and can be the target playing time or the frame number of the image frame corresponding to the target playing time in the video to be processed.
The target frame sequence refers to a plurality of image frames. The threshold may be an empirical value, and may be a value obtained from multiple trials. The object may be a face in the video to be processed, or may be another object in the video to be processed, for example, a building, an animal, etc., and the present application is not limited to the specific content of the object. The object size may be length information and width information of the object, or may be an area of the object, and may be a size of the object.
The change amplitude of the object size in the target frame sequence is smaller than a threshold value, which indicates that the object size in the target frame sequence does not change drastically and scene switching between close view and distant view is not performed, namely, the object in the target frame sequence is suitable for bullet screen surrounding, and the bullet screen surrounding effect is stable.
In a specific embodiment, as shown in fig. 2, obtaining the indication information of each target playing time includes:
step 201, a mask image corresponding to the playing time indication information is obtained.
Wherein, the object area in the mask image is marked by a first color, and the background area is marked by a second color. For example, when the object is a human face, the human face region in the mask image is marked with black, and the background region is marked with white.
The playing time indication information is used for indicating the playing time, and can be the playing time or the frame number of the image frame corresponding to the playing time in the video to be processed.
The obtaining of the mask image corresponding to the playing time indication information may be that the server performs semantic segmentation on an image frame corresponding to the playing time in the video to be processed, and the semantic segmentation method is specific to a pixel level when the image is processed, and distributes each pixel in the image frame to an object area or a background area. The server may acquire the mask image corresponding to the playing time indication information sent by the mask production platform.
Step 202, obtaining the similarity between each mask image.
In a specific embodiment, before the similarity between the mask images is obtained, the surrounding information generating method further includes: acquiring the size of an object area in each mask image; and screening out the mask image of which the size of the object area is smaller than a preset value.
The preset value may be an empirical value or a numerical value obtained by multiple tests. The face image does not exist in some image frames in the video to be processed, or the face image is too small, so that the acquired mask image has blank object areas, or the mask image with undersize object areas. Before the similarity among all the mask images is obtained, the mask images of which the size of the object area is smaller than a preset value are screened out, the mask images can be preprocessed, the mask images which are useless for generating surrounding information are screened out, and the execution efficiency of subsequent operations can be improved.
In step 203, each mask image having a similarity greater than the similarity threshold is used as the target mask image.
The similarity threshold may be an empirical value or a numerical value obtained by multiple tests. And taking each mask image with the similarity larger than the similarity threshold value as a target mask image, wherein the target mask image indicates that the moving range of the object between each target mask image is smaller or the moving speed of the object is slower. The object in the target frame sequence corresponding to the target mask image is suitable for bullet screen surrounding, and the bullet screen surrounding effect is stable. For example, the position of the object is substantially unchanged, or the object slowly moves from the left end of the play screen to the right end of the play screen.
Step 204, searching each target playing time indication information corresponding to the target mask image.
Step 102, obtaining the position information of each target object corresponding to each target playing time indication information.
In a specific embodiment, before the position information of each target object corresponding to each target playing time indication information is obtained, the method for generating the surrounding information further includes: and obtaining the mapping relation between the playing time indication information and the object position information in the video to be processed. Obtaining the position information of each target object corresponding to each target playing time indication information, including: and searching the position information of each target object corresponding to each target playing time indication information according to the mapping relation.
The server can pre-establish a mapping relation between the playing time indication information and the object position information in the video to be processed, and when searching the target object position information, the server can search according to the mapping relation without independently processing the image frames corresponding to the target playing time indication information each time to obtain the target object position information, directly process the whole video to be processed to obtain the object position information corresponding to each playing time indication information, and establish the mapping relation between the playing time indication information and the object position information, thereby facilitating subsequent searching. The object position information may be position information of a detection frame of an object, for example, the object is a face, the object position information is position information of a rectangular detection frame of the face, coordinates of 4 vertices of the rectangular detection frame of the face, coordinates of a lower left corner point of the rectangular detection frame of the face, and length information and width information of the rectangular detection frame of the face.
And step 103, acquiring the position information of the bullet screen surrounding center according to the position information of each target object.
In a specific embodiment, as shown in fig. 3, according to the position information of each target object, the acquiring the position information of the bullet screen surrounding center includes:
step 301, determining the change amplitude of the object position in the target frame sequence according to the position information of each target object.
Step 302, acquiring a bullet screen surrounding center position information calculation strategy according to the change amplitude of the object position.
In one embodiment, as shown in fig. 4, according to the change amplitude of the object position, acquiring a calculation strategy of the position information of the bullet screen surrounding center includes:
step 401, comparing the variation amplitude of the object position with a preset variation amplitude value.
The preset variation amplitude value can be an empirical value or a numerical value obtained by multiple tests.
Step 402, if the variation range of the object position is smaller than or equal to the preset variation range value, the calculation strategy of the bullet screen surrounding center position information is: and acquiring the position information of each object center point in the target frame sequence according to the position information of each target object, and determining the position information of a barrage surrounding center and the barrage surrounding center according to the position information of each object center point.
The change width of the object position is smaller than or equal to the preset change width value, which means that the movement range of the object is smaller, for example, in the position information of each target object, the abscissa of the smallest left lower corner point of the object is 100px (pixel), and the abscissa of the largest left lower corner point of the object is 105px (pixel). The position information of the center point of the object may be position information of the center point of the rectangular detection frame of the object. Because the change amplitude of the position of the object is smaller than or equal to the preset change amplitude value, the moving range of the object is smaller, only one barrage surrounding center can be obtained, the position of the barrage surrounding center is fixed, the barrage surrounding center does not move along with the movement of the object, slight back and forth jumping of surrounding information in a target frame sequence is avoided, and the visual experience of a user during watching is affected.
The determining of the position information of a barrage surrounding center and barrage surrounding center according to the position information of each object center point may be obtaining an average value of the position information of each object center point, and taking the average value as the position information of the barrage surrounding center.
Step 403, if the variation range of the object position is greater than the preset variation range value, calculating a strategy for the bullet screen surrounding center position information is: and acquiring the position information of each object center point in the target frame sequence according to the position information of each target object, and taking the position information of each object center point as the position information of the surrounding center of each barrage.
The change range of the object position being larger than the preset change range value means that the movement range of the object is relatively large, for example, the object slowly moves from the left end of the play screen to the right end of the play screen. Because the change amplitude of the position of the object is larger than the preset change amplitude value, the moving range of the object is larger, a barrage surrounding center can be acquired for each image frame, namely, a barrage surrounding center is acquired according to the position information of each target object, the position of the barrage surrounding center is not fixed, the barrage surrounding center moves along with the movement of the object, the situation that the object has moved a long distance is avoided, surrounding information stays at the original position, the surrounding information is separated from the object, and the situation of the object surrounded by the surrounding information cannot be indicated.
Step 303, obtaining the position information of the barrage surrounding center according to the barrage surrounding center position information calculation strategy.
Step 104, according to the position information of each target object, the barrage surrounding size is obtained.
In one embodiment, the method for obtaining the barrage surrounding size according to the position information of each target object includes: acquiring object width information in a target frame sequence according to the position information of each target object; acquiring a barrage surrounding radius according to the object width information; the barrage encircling radius is taken as the barrage encircling dimension.
The object width information can be directly used as the diameter of the barrage surrounding, or the object width information can be added with a preset value to be used as the diameter of the barrage surrounding. The bullet screen encircling radius can be adjusted.
And 105, taking the position information of the bullet screen surrounding center and the bullet screen surrounding size as surrounding information corresponding to each target playing time indication information in the video to be processed.
After the position information of the barrage surrounding center and the barrage surrounding size are used as surrounding information corresponding to the indication information of each target playing time in the video to be processed, the server can splice the surrounding information into a data packet and send the data packet to the CDN (Content Delivery Network ). When the client needs the surrounding information, the client downloads the data packet of the surrounding information from the CDN.
The embodiment of the application provides a barrage display method which is applied to a client. In the embodiment of the present application, as shown in fig. 5, the method flow of barrage display mainly includes:
in step 501, the bullet screen content is obtained, marked as a wrap-around bullet screen.
In one embodiment, before acquiring the bullet screen content marked as the surrounding bullet screen, the bullet screen display method further includes: and displaying a guiding barrage when the video to be played is played to the target playing time indication information, wherein the guiding barrage is used for prompting a target person surrounded by surrounding information corresponding to the target playing time indication information.
For example, when the video to be processed has surrounding information at the playing time a, and the target person surrounded by the surrounding information is B, a guiding barrage is displayed, and the surrounding barrage surrounding the target person B can be sent at the playing time a. The guiding barrage can be a text prompt or a picture effect display of a surrounding barrage surrounding the target person B at the playing time A.
When the video to be played is played to the target playing time indication information, a guiding barrage is displayed, so that a user can be prompted to send barrage content related to the target person at the target playing time indication information, and the relevance between the barrage content and the target person surrounded by the barrage content is increased.
Step 502, obtaining playing time indication information corresponding to bullet screen content, and obtaining target surrounding information corresponding to the playing time indication information.
Wherein the target surrounding information includes position information of a bullet screen surrounding center and bullet screen surrounding size.
In a specific embodiment, before the target surrounding information corresponding to the playing time indication information is obtained, the barrage display method further includes: acquiring a video playing request, wherein the video playing request comprises an identification of a video to be played; and acquiring surrounding information corresponding to the identification of the video to be played, wherein a corresponding relationship exists between the surrounding information and the target playing moment indication information.
By acquiring the surrounding information corresponding to the identification of the video to be played, the client downloads all the surrounding information corresponding to the video to be played to the local of the client, and the client does not need to go to a server or CDN for downloading every time, so that subsequent operation is convenient, and the interaction flow with the server or CDN is saved.
In a specific embodiment, before the surrounding information corresponding to the identifier of the video to be played is obtained, the barrage display method further includes: sending a surrounding information inquiry request to a server, wherein the surrounding information inquiry request comprises an identifier of a video to be played; and acquiring feedback information sent by the server, wherein the feedback information is used for indicating that the video to be played contains surrounding information.
When feedback information sent by the server is obtained, determining that the video to be played contains surrounding information, and then obtaining surrounding information corresponding to the identification of the video to be played, so that invalid operation of obtaining surrounding information corresponding to the identification of the video to be played is avoided when the video to be played does not contain the surrounding information.
In step 503, according to the target surrounding information, when the video to be played is played to the playing time indication information, the barrage content is drawn into a stereoscopic surrounding barrage for displaying.
The bullet screen content is drawn into a stereoscopic surrounding bullet screen for display, and the bullet screen content can be drawn into the stereoscopic surrounding bullet screen by using OpenGL (Open Graphics Library, open graphic library).
According to the position information of the bullet screen surrounding center, the bullet screen surrounding size and the preset inclination angle, a 3D circular ring can be drawn through OpenGL, the coordinates of each position in the 3D circular ring are obtained, and the moving track of bullet screen content can be determined according to the coordinates of each position in the 3D circular ring.
And drawing a 3D circular ring through OpenGL, drawing the bullet screen content into a picture, and attaching the picture texture to the shape of the 3D circular ring to realize the drawing of the stereoscopic surrounding bullet screen. In practice, the coordinates of the 3D ring and the coordinates of the bullet screen content are corresponding, and the bullet screen content is drawn into a stereoscopic surrounding bullet screen.
Drawing 3D ring through openGL, setting up two planes and cutting apart the 3D ring into two parts, through drawing the first part of 3D ring, the second part of 3D ring is not drawn, realizes showing the barrage at the first part of 3D ring and is not sheltered from by the portrait, shows the barrage at the second part of 3D ring and shelters from the effect by the portrait. The barrage content moves in the 3D ring, the barrage content is drawn when the barrage content moves to the first portion of the 3D ring, i.e., the barrage content coordinates are within the first portion of the 3D ring coordinates, and the barrage content is not drawn when the barrage content moves to the second portion of the 3D ring, i.e., the barrage content coordinates are within the second portion of the 3D ring coordinates. For example, plane a and plane B divide the 3D ring into two parts, a first part of the 3D ring rotated counter-clockwise to plane B is drawn, and a second part of the 3D ring rotated counter-clockwise to plane a is not drawn. In one embodiment, the stereoscopic surround type barrage is in the shape of a three-dimensional ring.
In one embodiment, the stereoscopic surround type bullet screen has a shadow effect.
In one embodiment, as shown in fig. 6, a schematic diagram of a barrage display system is provided.
The barrage display system includes a mask production platform 601, a server 602, a CDN603, and a client 604. The mask production platform 601 transmits the mask image and the object position information corresponding to the play time indication information to the server 602. The server 602 obtains the mask image and the object position information corresponding to the playing time indication information sent by the mask production platform 601, generates surrounding information, and sends the surrounding information to the CDN603. The client 604 sends a surrounding information query request to the server 602, receives feedback information sent by the server 602, obtains surrounding information from the CDN603, and draws the barrage content into a stereoscopic surrounding barrage for display.
In one embodiment, as shown in fig. 7, a schematic view of the display effect of the stereoscopic surround type barrage is shown. In fig. 7, a face is shown, a stereoscopic surrounding type barrage surrounds the face, the barrage content of the stereoscopic surrounding type barrage is "character a is truly beautiful and lovely", the stereoscopic surrounding type barrage is in a three-dimensional circular shape, "too can" two words are blocked by the face and cannot be displayed, and the remaining words "character a in the barrage content is truly beautiful and lovely" are displayed.
In summary, in the embodiment of the present application, a server obtains each target playing time indication information, where each target playing time indication information corresponds to a target frame sequence in a video to be processed, a variation range of an object size in the target frame sequence is smaller than a threshold value, each target object position information corresponding to each target playing time indication information is obtained, position information of a barrage surrounding center is obtained according to each target object position information, a barrage surrounding size is obtained according to each target object position information, and the position information of the barrage surrounding center and the barrage surrounding size are used as surrounding information corresponding to each target playing time indication information in the video to be processed.
The change amplitude of the object size in the target frame sequence is smaller than a threshold value, which indicates that the object size in the target frame sequence is not changed severely, scene switching between close view and distant view is not performed, namely, the object in the target frame sequence is suitable for bullet screen surrounding, the bullet screen surrounding effect is stable, the target frame sequence corresponds to each target playing time indication information, the server acquires the position information of the bullet screen surrounding center and the bullet screen surrounding size according to each target object position information corresponding to each target playing time indication information, and further generates surrounding information, so that a subsequent client can conveniently draw bullet screen content into a stereoscopic surrounding bullet screen for display according to the surrounding information, the bullet screen content surrounds the object for stereoscopic surrounding display, the bullet screen content can be combined with the object more tightly, and the display of the comment of the object by the user or the internal single heart of the object is effectively enhanced. The stereoscopic surrounding type barrage is novel in style, the participation feeling of a user and the barrage sending willingness can be effectively improved, and the problem of single barrage style is solved.
The method comprises the steps that a client side obtains bullet screen content marked as a surrounding bullet screen, obtains playing time indication information corresponding to the bullet screen content, and obtains target surrounding information corresponding to the playing time indication information, wherein the target surrounding information comprises position information of a bullet screen surrounding center and bullet screen surrounding size, and according to the target surrounding information, when a video to be played is played to the playing time indication information, the bullet screen content is drawn into a three-dimensional surrounding bullet screen to be displayed.
The client acquires corresponding playing time indication information and target surrounding information through the barrage content marked as the surrounding barrage, and draws the barrage content into a stereoscopic surrounding barrage for display when the video to be played is played to the playing time indication information according to the target surrounding information, so that the barrage content surrounds an object for stereoscopic surrounding display, the barrage content can be more tightly combined with the object, and the presentation of the comment of the user on the object or the mind of the object is effectively enhanced. The stereoscopic surrounding type barrage is novel in style, the participation feeling of a user and the barrage sending willingness can be effectively improved, and the problem of single barrage style is solved.
Based on the same concept, the embodiment of the present application provides a surrounding information generating device, where the surrounding information generating device is configured on a server, and the specific implementation of the device may refer to the description of the embodiment part of the method, and the repetition is omitted. As shown in fig. 8, the apparatus mainly includes:
A first obtaining module 801, configured to obtain each target playing time indication information, where each target playing time indication information corresponds to a target frame sequence in a video to be processed, and a variation amplitude of an object size in the target frame sequence is smaller than a threshold;
a second obtaining module 802, configured to obtain location information of each target object corresponding to each target playing moment indication information;
a third obtaining module 803, configured to obtain location information of a barrage surrounding center according to the location information of each target object;
a fourth obtaining module 804, configured to obtain a barrage surrounding size according to the location information of each target object;
the first processing module 805 is configured to use the position information of the bullet screen surrounding center and the bullet screen surrounding size as surrounding information corresponding to the target playing time indication information in the video to be processed.
Based on the same conception, the embodiment of the application provides a barrage display device, the barrage display device is configured at a client, the specific implementation of the device can be referred to the description of the embodiment part of the method, and the repetition is omitted. As shown in fig. 9, the apparatus mainly includes:
A fifth acquisition module 901, configured to acquire bullet screen contents marked as a surrounding bullet screen;
a sixth obtaining module 902, configured to obtain playing time indication information corresponding to the barrage content, and obtain target surrounding information corresponding to the playing time indication information, where the target surrounding information includes location information of a barrage surrounding center and a barrage surrounding size;
the second processing module 903 is configured to draw the barrage content into a stereoscopic surround barrage for display when the video to be played is played to the playing time indication information according to the target surround information.
Based on the same concept, the embodiment of the application also provides an electronic device, as shown in fig. 10, where the electronic device mainly includes: a processor 1001, a memory 1002, and a communication bus 1003, wherein the processor 1001 and the memory 1002 perform communication with each other through the communication bus 1003. The memory 1002 stores a program executable by the processor 1001, and the processor 1001 executes the program stored in the memory 1002 to implement the following steps:
acquiring each target playing time indication information, wherein each target playing time indication information corresponds to a target frame sequence in a video to be processed, and the change amplitude of the object size in the target frame sequence is smaller than a threshold value; acquiring position information of each target object corresponding to each target playing time indication information; acquiring position information of a barrage surrounding center according to the position information of each target object; acquiring the bullet screen surrounding size according to the position information of each target object; the position information of the bullet screen surrounding center and the bullet screen surrounding size are used as surrounding information corresponding to the indication information of each target playing time in the video to be processed;
Or,
acquiring bullet screen contents marked as a surrounding bullet screen; acquiring play time indication information corresponding to bullet screen content, and acquiring target surrounding information corresponding to the play time indication information, wherein the target surrounding information comprises position information of a bullet screen surrounding center and bullet screen surrounding size; and drawing the barrage content into a stereoscopic surrounding barrage for display when the video to be played is played to the playing time indication information according to the target surrounding information.
The communication bus 1003 mentioned in the above-mentioned electronic device may be a peripheral component interconnect standard (Peripheral Component Interconnect, abbreviated to PCI) bus, an extended industry standard architecture (Extended Industry Standard Architecture, abbreviated to EISA) bus, or the like. The communication bus 1003 may be classified as an address bus, a data bus, a control bus, or the like. For ease of illustration, only one thick line is shown in fig. 10, but not only one bus or one type of bus.
The memory 1002 may include random access memory (Random Access Memory, simply RAM) or may include non-volatile memory (non-volatile memory), such as at least one magnetic disk memory. Optionally, the memory may also be at least one memory device located remotely from the processor 1001.
The processor 1001 may be a general-purpose processor including a central processing unit (Central Processing Unit, CPU), a network processor (Network Processor, NP), a digital signal processor (Digital Signal Processing, DSP), an application specific integrated circuit (Application Specific Integrated Circuit, ASIC), a Field programmable gate array (Field-Programmable Gate Array, FPGA), or other programmable logic device, discrete gate or transistor logic device, or discrete hardware components.
In still another embodiment of the present application, there is also provided a computer-readable storage medium having stored therein a computer program which, when run on a computer, causes the computer to execute the surround information generating method described in the above embodiment, or the bullet screen display method.
In the above embodiments, it may be implemented in whole or in part by software, hardware, firmware, or any combination thereof. When implemented in software, may be implemented in whole or in part in the form of a computer program product. The computer program product includes one or more computer instructions. When the computer instructions are loaded and executed on a computer, the processes or functions described in accordance with embodiments of the present application are produced in whole or in part. The computer may be a general purpose computer, a special purpose computer, a computer network, or other programmable apparatus. The computer instructions may be stored in a computer-readable storage medium or transmitted from one computer-readable storage medium to another computer-readable storage medium, for example, by a wired (e.g., coaxial cable, optical fiber, digital Subscriber Line (DSL)), or wireless (e.g., infrared, microwave, etc.) means from one website, computer, server, or data center to another. The computer readable storage medium may be any available medium that can be accessed by a computer or a data storage device such as a server, data center, etc. that contains an integration of one or more available media. The usable medium may be a magnetic medium (e.g., floppy disk, hard disk, magnetic tape, etc.), an optical medium (e.g., DVD), or a semiconductor medium (e.g., solid state disk), etc.
It should be noted that in this document, relational terms such as "first" and "second" and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
The foregoing is only a specific embodiment of the invention to enable those skilled in the art to understand or practice the invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (15)
1. A surround information generating method, applied to a server, comprising:
acquiring target playing time indication information, wherein the target playing time indication information corresponds to a target frame sequence in a video to be processed, and the change amplitude of the object size in the target frame sequence is smaller than a threshold value;
acquiring position information of each target object corresponding to each target playing time indication information;
acquiring position information of a barrage surrounding center according to the position information of each target object;
acquiring the bullet screen surrounding size according to the position information of each target object;
and taking the position information of the bullet screen surrounding center and the bullet screen surrounding size as surrounding information corresponding to the target playing time indication information in the video to be processed.
2. The surround information generating method according to claim 1, wherein before the obtaining of the position information of each target object corresponding to each of the target play time indication information, the method further comprises:
acquiring a mapping relation between playing time indication information and object position information in the video to be processed;
the obtaining the position information of each target object corresponding to each target playing time indication information includes:
And searching the position information of each target object corresponding to each target playing time indication information according to the mapping relation.
3. The surround information generating method according to claim 2, wherein the acquiring the respective target playback time indication information includes:
acquiring a mask image corresponding to the playing time indication information, wherein an object area in the mask image is marked by a first color, and a background area is marked by a second color;
obtaining the similarity between the mask images;
taking each mask image with the similarity larger than a similarity threshold as a target mask image;
and searching each target playing time indication information corresponding to the target mask image.
4. A surrounding information generating method according to claim 3, wherein before said obtaining the similarity between each of the mask images, the method further comprises:
acquiring the size of the object area in each mask image;
and screening out the mask image of which the size of the object area is smaller than a preset value.
5. The surround information generating method according to claim 1, wherein the acquiring the position information of the barrage surround center based on the position information of each of the target objects includes:
Determining the change amplitude of the object position in the target frame sequence according to the position information of each target object;
acquiring a bullet screen surrounding center position information calculation strategy according to the change amplitude of the object position;
and acquiring the position information of the barrage surrounding center according to the barrage surrounding center position information calculation strategy.
6. The surround information generating method according to claim 5, wherein the acquiring a bullet screen surround center position information calculation strategy according to the magnitude of change in the object position comprises:
comparing the change amplitude of the object position with a preset change amplitude value;
if the variation amplitude of the object position is smaller than or equal to the preset variation amplitude value, the calculation strategy of the bullet screen surrounding center position information is as follows: acquiring the position information of each object center point in the target frame sequence according to the position information of each target object, and determining the position information of a barrage surrounding center and the barrage surrounding center according to the position information of each object center point;
if the change amplitude of the object position is larger than the preset change amplitude value, the bullet screen surrounding center position information calculation strategy is as follows: and acquiring the position information of each object center point in the target frame sequence according to the position information of each target object, and taking the position information of each object center point as the position information of the surrounding center of each barrage.
7. The surround information generating method according to any one of claims 1 to 6, wherein the acquiring the barrage surround size based on the respective target object position information includes:
acquiring object width information in the target frame sequence according to the position information of each target object;
acquiring a barrage surrounding radius according to the object width information;
and taking the barrage encircling radius as the barrage encircling size.
8. The bullet screen display method is characterized by being applied to a client and comprising the following steps of:
acquiring bullet screen contents marked as a surrounding bullet screen;
acquiring playing time indication information corresponding to the barrage content, and acquiring a video playing request, wherein the video playing request comprises an identification of a video to be played; sending a surrounding information inquiry request to a server, wherein the surrounding information inquiry request comprises an identifier of the video to be played; acquiring feedback information sent by the server, wherein the feedback information is used for indicating that the video to be played contains surrounding information; acquiring surrounding information corresponding to the identification of the video to be played, wherein a corresponding relationship exists between the surrounding information and target playing time indication information; acquiring target surrounding information corresponding to the playing time indication information, wherein the target surrounding information comprises position information of a barrage surrounding center and barrage surrounding size;
And according to the target surrounding information, when the video to be played is played to the playing time indication information, drawing the barrage content into a stereoscopic surrounding barrage for display.
9. The bullet screen display method of claim 8 wherein said stereoscopic surround bullet screen is in the shape of a three-dimensional circular ring.
10. The barrage display method of claim 9, wherein the stereoscopic surround barrage has a shadow effect.
11. The barrage display method of claim 8, wherein prior to the capturing the barrage content marked as a surround barrage, the method further comprises:
and displaying a guiding barrage when the video to be played is played to the target playing time indication information, wherein the guiding barrage is used for prompting a target person surrounded by surrounding information corresponding to the target playing time indication information.
12. A surround information generating apparatus, which is configured in a server, comprising:
the first acquisition module is used for acquiring each piece of target playing time indication information, wherein each piece of target playing time indication information corresponds to a target frame sequence in a video to be processed, and the change amplitude of the object size in the target frame sequence is smaller than a threshold value;
The second acquisition module is used for acquiring the position information of each target object corresponding to each target playing time indication information;
the third acquisition module is used for acquiring the position information of the bullet screen surrounding center according to the position information of each target object;
the fourth acquisition module is used for acquiring the bullet screen surrounding size according to the position information of each target object;
and the first processing module is used for taking the position information of the bullet screen surrounding center and the bullet screen surrounding size as surrounding information corresponding to the target playing time indication information in the video to be processed.
13. A barrage display device, configured at a client, comprising:
the fifth acquisition module is used for acquiring bullet screen contents marked as a surrounding bullet screen;
a sixth acquisition module, configured to acquire playing time indication information corresponding to the barrage content, and acquire a video playing request, where the video playing request includes an identifier of a video to be played; sending a surrounding information inquiry request to a server, wherein the surrounding information inquiry request comprises an identifier of the video to be played; acquiring feedback information sent by the server, wherein the feedback information is used for indicating that the video to be played contains surrounding information; acquiring surrounding information corresponding to the identification of the video to be played, wherein a corresponding relationship exists between the surrounding information and target playing time indication information; acquiring target surrounding information corresponding to the playing time indication information, wherein the target surrounding information comprises position information of a barrage surrounding center and barrage surrounding size;
And the second processing module is used for drawing the barrage content into a stereoscopic surrounding barrage for display when the video to be played is played to the playing time indication information according to the target surrounding information.
14. An electronic device, comprising: the device comprises a processor, a memory and a communication bus, wherein the processor and the memory are communicated with each other through the communication bus; the memory is used for storing a computer program; the processor is configured to execute a program stored in the memory, implement the surround information generating method according to any one of claims 1 to 7, or implement the barrage display method according to any one of claims 8 to 11.
15. A computer-readable storage medium storing a computer program, wherein the computer program, when executed by a processor, implements the surround information generating method according to any one of claims 1 to 7, or implements the bullet screen display method according to any one of claims 8 to 11.
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| WO2024088375A1 (en) * | 2022-10-28 | 2024-05-02 | 北京字跳网络技术有限公司 | Bullet comment presentation method and apparatus, device, and storage medium |
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