CN112558854B - Multi-picture split-screen mode customization method and device and computer equipment - Google Patents
Multi-picture split-screen mode customization method and device and computer equipment Download PDFInfo
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/048—Interaction techniques based on graphical user interfaces [GUI]
- G06F3/0487—Interaction techniques based on graphical user interfaces [GUI] using specific features provided by the input device, e.g. functions controlled by the rotation of a mouse with dual sensing arrangements, or of the nature of the input device, e.g. tap gestures based on pressure sensed by a digitiser
- G06F3/0488—Interaction techniques based on graphical user interfaces [GUI] using specific features provided by the input device, e.g. functions controlled by the rotation of a mouse with dual sensing arrangements, or of the nature of the input device, e.g. tap gestures based on pressure sensed by a digitiser using a touch-screen or digitiser, e.g. input of commands through traced gestures
- G06F3/04886—Interaction techniques based on graphical user interfaces [GUI] using specific features provided by the input device, e.g. functions controlled by the rotation of a mouse with dual sensing arrangements, or of the nature of the input device, e.g. tap gestures based on pressure sensed by a digitiser using a touch-screen or digitiser, e.g. input of commands through traced gestures by partitioning the display area of the touch-screen or the surface of the digitising tablet into independently controllable areas, e.g. virtual keyboards or menus
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/14—Digital output to display device ; Cooperation and interconnection of the display device with other functional units
- G06F3/1423—Digital output to display device ; Cooperation and interconnection of the display device with other functional units controlling a plurality of local displays, e.g. CRT and flat panel display
Abstract
The application relates to a multi-picture split-screen mode customizing method and device and computer equipment. The method comprises the following steps: determining a video format of multiple pictures to be spliced, and setting canvas according to a preset scaling of the video format; setting a sprite with the width and height proportion consistent with that of the sub-video source image in the canvas, and determining the virtual coordinate and the virtual width and height of the sprite on the canvas; converting the virtual coordinate and the virtual width and height into a real coordinate and a real width and height according to a preset scaling; and generating a corresponding multi-picture split screen mode according to the video format, the corresponding relation between the sub-picture and the sub-video source image, the real coordinate and the real width and height. By adopting the method, the multi-picture display effect can be improved.
Description
Technical Field
The present application relates to the field of multimedia communication technologies, and in particular, to a method and an apparatus for customizing a multi-screen split mode, and a computer device.
Background
With the development of video conferencing technology, multi-picture technology has emerged. One video stream includes two or more scenes, which are called multi-pictures. Through the multi-picture, each branch meeting place of the video conference can see the video scenes from other different branch meeting places at the same time, so that the video conference can be held smoothly. In the conventional technology, the multi-screen split-screen mode technology usually adopts a fixed split-screen mode, for example, the number of split screens of a multi-screen is 1, 2, 3, 4, 5, 7, 9, 16, 25, etc., and these multi-screen split-screen modes are characterized in that the layout of the multi-screen is uniform.
However, the display size and relative position of each sub-picture in the conventional multi-picture split mode are fixed already at the time of code encoding, and when the aspect ratio of the sub-picture in the fixed multi-picture split mode is inconsistent with the aspect ratio of the sub-video source image, the image distortion of the sub-picture is easily caused, thereby affecting the multi-picture display effect.
Disclosure of Invention
Therefore, it is necessary to provide a method, an apparatus and a computer device for customizing a multi-screen split-screen mode, which can improve a multi-screen display effect, in view of the above technical problems.
A method for customizing a multi-screen split-screen mode, the method comprising:
determining a video format of multiple pictures to be spliced, and setting canvas according to a preset scaling of the video format;
setting a sprite which is consistent with the width-height ratio of a sub video source image in the canvas, and determining the virtual coordinate and the virtual width-height of the sprite on the canvas;
converting the virtual coordinates and the virtual width and height into real coordinates and real width and height according to the preset scaling;
and generating a corresponding multi-picture split screen mode according to the video format, the corresponding relation between the sub-picture and the sub-video source image, the real coordinate and the real width and height.
In one embodiment, the method further comprises:
acquiring background images of multiple pictures to be spliced;
determining the background color of multiple pictures to be spliced;
the generating of the corresponding multi-picture split-screen mode according to the video format, the corresponding relation between the sub-picture and the sub-video source image, the real coordinate and the real width and height comprises the following steps:
and generating a corresponding multi-picture split screen mode according to the background image, the background color, the video format, the corresponding relation between the sub-picture and the sub-video source image, the real coordinate and the real width and height.
In one embodiment, the method further comprises:
importing an existing multi-picture split screen mode;
adjusting the sub-picture corresponding to the existing multi-picture split screen mode in the canvas corresponding to the existing multi-picture split screen mode; the width-height ratio of the adjusted sub-picture to the corresponding sub-video source image is consistent;
and executing the step of determining the virtual coordinate and the virtual width and height of the sprite on the canvas and the subsequent steps.
In one embodiment, the method further comprises:
and sending the multi-picture split screen mode to a multi-picture splicing terminal to instruct the multi-picture splicing terminal to splice the sub-video source images into multiple pictures according to the multi-picture split screen mode.
A method of multi-picture stitching, the method comprising:
acquiring a sub video source image;
receiving a multi-picture split screen mode sent by a customized terminal; the multi-picture split screen mode is generated according to the video format of the multi-picture to be spliced, the corresponding relation between the sub-picture and the sub-video source image, the real coordinate and the real width and height of the sub-picture; the real coordinate and the real width and height are obtained by converting the virtual coordinate and the virtual width and height of the sub-picture on the canvas according to the preset scaling of the video format; the width-to-height ratio of the sub-picture in the canvas is consistent with the width-to-height ratio of the sub-video source image; the canvas is obtained by setting according to a preset scaling of the video format;
and splicing the sub-video source images into multiple pictures according to the multi-picture split screen mode.
In one embodiment, the stitching the sub-video source images into multiple pictures according to the multi-picture split-screen mode includes:
scaling the source sub-video image in an equal ratio according to the real width and height of the sub-picture in the multi-picture split-screen mode;
and splicing the zoomed sub-video source images into multiple images according to the video format of the multiple images to be spliced in the multi-image split-screen mode, the corresponding relation between the sub-images and the sub-video source images and the real coordinates of the sub-images.
In one embodiment, the stitching the sub-video source images into multiple pictures according to the multi-picture split-screen mode includes:
collecting local video images;
and splicing the local video image and the sub video source image into a multi-picture according to the multi-picture split screen mode.
A multi-screen split-screen mode customizing apparatus, the apparatus comprising:
the device comprises a determining module, a judging module and a display module, wherein the determining module is used for determining the video format of multiple pictures to be spliced and setting canvas according to the preset scaling of the video format; setting a sub-picture consistent with the width-height ratio of a sub-video source image in the canvas, and determining the virtual coordinate and the virtual width-height of the sub-picture on the canvas;
the conversion module is used for converting the virtual coordinate and the virtual width and height into a real coordinate and a real width and height according to the preset scaling;
and the generating module is used for generating a corresponding multi-picture split screen mode according to the video format, the corresponding relation between the sub-picture and the sub-video source image, the real coordinate and the real width and height.
A multi-picture stitching device, the device comprising:
the acquisition module is used for acquiring a sub video source image;
the receiving module is used for receiving the multi-picture split screen mode sent by the customized terminal; the multi-picture split screen mode is generated according to the video format of the multi-picture to be spliced, the corresponding relation between the sub-picture and the sub-video source image, the real coordinate and the real width and height of the sub-picture; the real coordinate and the real width and height are obtained by converting the virtual coordinate and the virtual width and height of the sprite on the canvas according to the preset scaling of the video format; the width-to-height ratio of the sub-picture in the canvas is consistent with the width-to-height ratio of the sub-video source image; the canvas is obtained by setting according to a preset scaling of the video format;
and the splicing module is used for splicing the sub-video source images into multiple pictures according to the multi-picture split screen mode.
A computer device comprising a memory, a processor and a computer program stored on the memory and executable on the processor, the processor implementing the following steps when executing the computer program:
determining a video format of multiple pictures to be spliced, and setting canvas according to a preset scaling of the video format;
setting a sub-picture consistent with the width-height ratio of a sub-video source image in the canvas, and determining the virtual coordinate and the virtual width-height of the sub-picture on the canvas;
converting the virtual coordinates and the virtual width and height into real coordinates and real width and height according to the preset scaling;
and generating a corresponding multi-picture split screen mode according to the video format, the corresponding relation between the sub-picture and the sub-video source image, the real coordinate and the real width and height.
A computer-readable storage medium, on which a computer program is stored which, when executed by a processor, carries out the steps of:
determining a video format of multiple pictures to be spliced, and setting canvas according to a preset scaling of the video format;
setting a sub-picture consistent with the width-height ratio of a sub-video source image in the canvas, and determining the virtual coordinate and the virtual width-height of the sub-picture on the canvas;
converting the virtual coordinates and the virtual width and height into real coordinates and real width and height according to the preset scaling;
and generating a corresponding multi-picture split screen mode according to the video format, the corresponding relation between the sub-picture and the sub-video source image, the real coordinate and the real width and height.
According to the multi-picture split-screen mode customizing method, the multi-picture split-screen mode customizing device and the computer equipment, the canvas is set according to the preset scaling of the video format by determining the video format of the multi-picture to be spliced; setting a sprite with the width and height proportion consistent with that of the sub-video source image in the canvas, and determining the virtual coordinate and the virtual width and height of the sprite on the canvas; converting the virtual coordinate and the virtual width and height into a real coordinate and a real width and height according to a preset scaling; and generating a corresponding multi-picture split screen mode according to the video format, the corresponding relation between the sub-picture and the sub-video source image, the real coordinate and the real width and height. Therefore, the sub-picture with the width-height ratio consistent with that of the sub-video source image is set in a self-defined mode, so that the width-height ratio of the sub-picture in the multi-picture split-screen mode is always consistent with that of the sub-video source image, the image deformation of the sub-picture is avoided, and the multi-picture display effect is improved.
Drawings
FIG. 1 is a diagram illustrating an exemplary implementation of a multi-screen split-screen customization method;
FIG. 2 is a flow chart illustrating a multi-screen split-screen mode customization method according to an embodiment;
FIG. 3 is a diagram illustrating a multi-frame split screen mode customized page in one embodiment;
FIG. 4 is a diagram illustrating a customized multi-view split screen mode page in accordance with an alternative embodiment;
FIG. 5 is a flowchart illustrating a multi-frame stitching method according to an embodiment;
FIG. 6 is a flow diagram illustrating multi-frame stitching according to one embodiment;
FIG. 7 is a diagram illustrating a multi-frame stitching process in another embodiment;
FIG. 8 is a block diagram showing the configuration of a multi-screen split-screen mode customizing apparatus according to an embodiment;
FIG. 9 is a block diagram showing the configuration of a multi-screen split-screen mode customizing apparatus according to an embodiment;
FIG. 10 is a block diagram showing the structure of a multi-frame splicing apparatus according to an embodiment;
FIG. 11 is a diagram illustrating an internal structure of a computer device in one embodiment.
Detailed Description
In order to make the objects, technical solutions and advantages of the present application more apparent, the present application is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.
The multi-screen split-screen mode customizing method provided by the application can be applied to the application environment shown in fig. 1. The application environment includes a custom terminal 102 and a multi-screen splicing terminal 104. The customized terminal 102 and the multi-screen splicing terminal 104 communicate through a network. The customized terminal 102 and the multi-screen splicing terminal 104 may specifically include a desktop terminal or a mobile terminal. The mobile terminal may specifically include at least one of a mobile phone, a tablet computer, a notebook computer, and the like. The multi-screen splicing terminal 104 may be an MCU (micro controller Unit). Those skilled in the art will understand that the application environment shown in fig. 1 is only a part of the scenario related to the present application, and does not constitute a limitation to the application environment of the present application.
The customized terminal 102 determines a video format of a multi-picture to be spliced corresponding to the multi-picture splicing terminal 104, and sets a canvas according to a preset scaling of the video format. The customization terminal 102 sets a sprite in the canvas in accordance with the ratio of the width to the height of the sub-video source image obtained by the multi-picture stitching terminal 104, and determines the virtual coordinates and the virtual width and height of the sprite on the canvas. The customization terminal 102 converts the virtual coordinates and the virtual width and height into real coordinates and real width and height according to a preset scaling. The customized terminal 102 generates a corresponding multi-picture split-screen mode according to the video format, the corresponding relation between the sub-picture and the sub-video source image, the real coordinate and the real width and height.
In one embodiment, as shown in fig. 2, a multi-screen split-screen mode customizing method is provided, which is described by taking the method as an example applied to the customizing terminal 102 in fig. 1, and includes the following steps:
s202, determining the video format of the multi-picture to be spliced, and setting the canvas according to the preset scaling of the video format.
The multi-picture video format refers to the resolution of the video, for example, the multi-picture video format may be 4K, 1080P or 720P. The canvas is a rectangular area for drawing an image on a webpage, and each pixel on the canvas can be controlled.
Specifically, the customized terminal can determine the video format of the multi-picture to be spliced, and set the canvas on the webpage according to the preset scaling of the video format by using the web technology.
For example, if the customized terminal determines that the video format of the multi-picture to be spliced is 4K and determines that the preset scaling of the video format is 1:20, the customized terminal may set the canvas according to the preset scaling 1:20 of the video format 4K.
S204, a sub-picture consistent with the width-height ratio of the sub-video source image is set in the canvas, and the virtual coordinate and the virtual width-height of the sub-picture on the canvas are determined.
The sub-video source image is a video image of a sub-video source corresponding to each sub-picture in multiple pictures to be spliced. The sub-picture is a component of a multi-picture, and a plurality of sub-pictures can be spliced into one multi-picture. The virtual coordinates are coordinates of the sprite drawn on the canvas. The virtual width and height are the width and height of the sprite drawn on the canvas.
Specifically, the customization terminal may determine the aspect ratio of the video image corresponding to each sub-video source. The customizing terminal can set a sub-picture which is consistent with the width-height ratio of the sub-video source image in the canvas, and after the coordinate and the width-height of the sub-picture are determined, the customizing terminal can respectively calculate the virtual coordinate and the virtual width-height of each sub-picture on the canvas.
And S206, converting the virtual coordinates and the virtual width and height into real coordinates and real width and height according to a preset scaling.
And the real coordinates are coordinates of sub-pictures corresponding to the video formats of the multiple pictures to be spliced. The real width and height are the width and height of the sub-picture corresponding to the video format of the multi-picture to be spliced.
Specifically, the customized terminal may convert the virtual coordinates into real coordinates and convert the virtual width and height into real width and height according to a preset scaling.
And S208, generating a corresponding multi-picture split screen mode according to the video format, the corresponding relation between the sub-picture and the sub-video source image, the real coordinate and the real width and height.
The multi-picture split screen mode is a layout mode for performing multi-picture splicing on the sub video source images. The corresponding relationship between the sub-picture and the sub-video source image means that each sub-video source image is filled in the display area of the corresponding sub-picture.
Specifically, the customization terminal may determine a correspondence of the sprite and the sub-video source image. Furthermore, the customized terminal can generate a corresponding multi-picture split-screen mode according to the video format, the corresponding relation between the sub-picture and the sub-video source image, the real coordinate and the real width and height.
In the multi-picture split screen mode customizing method, the canvas is set according to the preset scaling of the video format by determining the video format of the multi-picture to be spliced; setting a sprite with the width and height proportion consistent with that of the sub-video source image in the canvas, and determining the virtual coordinate and the virtual width and height of the sprite on the canvas; converting the virtual coordinate and the virtual width and height into a real coordinate and a real width and height according to a preset scaling; and generating a corresponding multi-picture split screen mode according to the video format, the corresponding relation between the sub-picture and the sub-video source image, the real coordinate and the real width and height. Therefore, the sub-picture with the width-height ratio consistent with that of the sub-video source image is set in a self-defined mode, so that the width-height ratio of the sub-picture in the multi-picture split-screen mode is always consistent with that of the sub-video source image, the image deformation of the sub-picture is avoided, and the multi-picture display effect is improved.
In one embodiment, the multi-screen split-screen mode customizing method further comprises: acquiring background images of multiple pictures to be spliced; and determining the background color of the multi-picture to be spliced.
Wherein the background image is an image as a background of the multiple pictures to be stitched. The background color is a color as a background of the multi-pictures to be stitched.
Specifically, the customized terminal can obtain a background image of the multiple pictures to be spliced, and determine the background color of the multiple pictures to be spliced. For example, the background image may be an image with a company logo designed by the user, a network image downloaded from the internet by the user, or an image shot by the user.
In one embodiment, the step S208 of generating the corresponding multi-screen split mode according to the video format, the corresponding relationship between the sub-screen and the sub-video source image, the real coordinates and the real width and height includes: and generating a corresponding multi-picture split-screen mode according to the background image, the background color, the video format, the corresponding relation between the sub-picture and the sub-video source image, the real coordinate and the real width and height.
Specifically, the customized terminal can generate a corresponding multi-picture split-screen mode according to a background image, a background color, a video format, a corresponding relation between a sub-picture and a sub-video source image, a real coordinate and a real width and height. It is understood that the parameters of the multi-screen split mode may include a background image, a background color, a video format, a correspondence between a sub-screen and a sub-video source image, real coordinates, and real width and height.
In the embodiment, the background image and the background color are set in the multi-picture split screen mode, so that black blocks in certain areas of the split screen image caused by blank spaces among all the sub-pictures can be prevented, and the attractiveness of the multi-picture is improved. Meanwhile, the flexibility of self-defining of the multi-picture split-screen mode can be further improved, so that the customization of the multi-picture split-screen mode is more personalized.
In one embodiment, the multi-screen split-screen mode customizing method further comprises: importing an existing multi-picture split screen mode; adjusting a sub-picture corresponding to the existing multi-picture split screen mode in a canvas corresponding to the existing multi-picture split screen mode; the width-height ratio of the adjusted sub-picture to the corresponding sub-video source image is consistent; the step of determining the virtual coordinates and virtual width and height of the sprite on the canvas and the subsequent steps are performed.
The existing multi-picture split screen mode is the multi-picture split screen mode which finishes customizing before the multi-picture split screen mode is customized.
Specifically, the customization terminal can select one of the existing multi-screen split modes from a plurality of existing multi-screen split modes, and import the selected multi-screen split mode as a basis for customizing the multi-screen split mode. The customizing terminal can readjust the sub-picture corresponding to the existing multi-picture split-screen mode in the imported canvas corresponding to the existing multi-picture split-screen mode according to the width-height ratio of the corresponding sub-video source image, wherein the adjusted sub-picture is consistent with the width-height ratio of the corresponding sub-video source image. Further, the customization terminal may perform the steps of determining the virtual coordinates and virtual width and height of the sprite on the canvas and the subsequent steps.
In the embodiment, the existing multi-picture split-screen mode is introduced, the sub-pictures corresponding to the existing multi-picture split-screen mode are adjusted in the canvas corresponding to the existing multi-picture split-screen mode, and the re-customization is realized on the basis of the existing multi-picture split-screen mode.
In one embodiment, the multi-screen split-screen mode customizing method further comprises: and sending the multi-picture split screen mode to a multi-picture splicing terminal to indicate the multi-picture splicing terminal to splice the sub video source images into multiple pictures according to the multi-picture split screen mode.
Specifically, after the customization terminal completes the customization of the multi-screen split mode, the customized multi-screen split mode can be sent to the multi-screen splicing terminal. The multi-picture splicing terminal can receive the multi-picture split screen mode sent by the customized terminal. The multi-picture splicing terminal can acquire the sub-video source images and splice the sub-video source images into multiple pictures according to the multi-picture split screen mode.
In the embodiment, the customized terminal is used for finishing the personalized customization of the multi-picture split-screen mode, and the customized multi-picture split-screen mode is sent to the multi-picture splicing terminal for multi-picture splicing, so that all the sub-video source images can be completely displayed in the corresponding sub-pictures, the sub-video source images are prevented from being deformed, and the multi-picture display effect is improved.
In one embodiment, as shown in FIG. 3, the customization terminal may enter a multi-screen split-screen mode customization web page, which may include at least the following basic elements: the method comprises the steps of canvas, split screen factors, importing of background images, setting of background colors, setting of factor coordinates, setting of factor width and height, new split screen mode, importing of split screen mode, saving of split screen mode and the like. The user can drag the screen splitting factor into the canvas, the width and the height of multiple pictures can be set by dragging and stretching the screen splitting factor, the user can set multiple sub-pictures in the pictures, and the width and the height proportion of each sub-picture can be set by himself, as shown in fig. 4, 7 sub-pictures are set in the canvas, wherein the width and the height proportion of the sub-pictures 1, 2 and 3 is 16:9, and the width and the height proportion of the sub-pictures 4, 5, 6 and 7 is 4: 3.
In one embodiment, as shown in fig. 5, a multi-picture splicing method is provided, which is described by taking the method as an example applied to the multi-picture splicing terminal 104 in fig. 1, and includes the following steps:
and S502, acquiring a sub video source image.
S504, receiving a multi-picture split screen mode sent by the customized terminal; the multi-picture split screen mode is generated according to the video format of the multi-picture to be spliced, the corresponding relation between the sub-picture and the sub-video source image, the real coordinate and the real width and height of the sub-picture; the real coordinate and the real width and height are obtained by converting the virtual coordinate and the virtual width and height of the sprite on the canvas according to the preset scaling of the video format; the width-height ratio of the sub-picture in the canvas is consistent with the width-height ratio of the sub-video source image; the canvas is set according to the preset scaling of the video format.
Specifically, after the customization terminal completes the customization of the multi-screen split mode, the customized multi-screen split mode can be sent to the multi-screen splicing terminal. The multi-picture splicing terminal can receive the multi-picture split screen mode sent by the customized terminal. The multi-picture split screen mode customizing terminal is generated according to the video format of the multi-picture to be spliced, the corresponding relation between the sub-picture and the sub-video source image, the real coordinate and the real width and height of the sub-picture. The real coordinate and the real width and height are obtained by converting the virtual coordinate and the virtual width and height of the sprite on the canvas by the customization terminal according to the preset scaling of the video format. The width and height ratio of the sub-picture in the canvas is consistent with the width and height ratio of the sub-video source image. The canvas is obtained by setting the customized terminal according to the preset scaling of the video format.
And S506, splicing the sub-video source images into multiple pictures according to the multi-picture split screen mode.
According to the multi-picture splicing method, the sub-video source images are obtained; receiving a multi-picture split screen mode sent by a customized terminal; the multi-picture split screen mode is generated according to the video format of the multi-picture to be spliced, the corresponding relation between the sub-picture and the sub-video source image, the real coordinate and the real width and height of the sub-picture; the real coordinate and the real width and height are obtained by converting the virtual coordinate and the virtual width and height of the sprite on the canvas according to the preset scaling of the video format; the width-height ratio of the sub-picture in the canvas is consistent with the width-height ratio of the sub-video source image; the canvas is obtained by setting according to the preset scaling of the video format; and splicing the sub video source images into multiple pictures according to the multi-picture split screen mode. Therefore, the sub-picture with the width-height ratio consistent with that of the sub-video source image is set in a self-defined mode, so that the width-height ratio of the sub-picture in the multi-picture split-screen mode is always consistent with that of the sub-video source image, the image deformation of the sub-picture is avoided, and the multi-picture display effect is improved.
In an embodiment, the step S506, namely the step of splicing the sub-video source images into multiple pictures according to the multi-picture split screen mode, specifically includes: scaling the sub video source image in an equal ratio according to the real width and height of the sub image in the multi-image split screen mode; and splicing the zoomed sub-video source images into multiple images according to the video format of the multiple images to be spliced in the multi-image split-screen mode, the corresponding relation between the sub-images and the sub-video source images and the real coordinates of the sub-images.
Specifically, the multi-picture splicing terminal can determine the width and height of the sub-video source image, and proportionally zoom the sub-video source image according to the real width and height of the sub-picture in the multi-picture split-screen mode, so that it can be understood that the width and height of the zoomed sub-video source image are consistent with the real width and height of the corresponding sub-picture. And then, the multi-picture splicing terminal can splice the zoomed sub-video source images into multiple pictures according to the video format of the multi-pictures to be spliced in the multi-picture split-screen mode, the corresponding relation between the sub-pictures and the sub-video source images and the real coordinates of the sub-pictures.
In an embodiment, the multi-picture splicing terminal may fill the scaled sub-video source image into the corresponding sub-picture according to the real coordinates of the sub-picture in a DMA (Direct Memory Access) copy manner.
In an embodiment, as shown in fig. 6, the multi-picture splicing terminal may receive, through the network, a sub video source packet sent by 5 remote terminals, and decode the sub video source packet to obtain a decoded sub video source packet. The multi-picture splicing terminal can perform multi-picture splicing on the sub-video source images according to the customized multi-picture split screen mode, and encode and output the spliced multi-pictures.
In the above embodiment, the sub-video source images are scaled in an equal ratio according to the actual width and height of the sub-picture in the multi-picture split-screen mode, so that the width and height of the sub-video source images are consistent with the actual width and height of the corresponding sub-picture, and the attractiveness of the display integrity of the sub-picture is ensured.
In an embodiment, the step S506, namely the step of splicing the sub-video source images into multiple pictures according to the multi-picture split screen mode, specifically includes: collecting local video images; and splicing the local video image and the sub video source image into a multi-picture according to the multi-picture split screen mode.
Specifically, the multi-picture splicing terminal can acquire a local video image through a local camera. The multi-picture splicing terminal can also receive a sub-video source image sent by the far-end terminal, and splices the local video image and the sub-video source image into a multi-picture according to the multi-picture split screen mode.
In one embodiment, as shown in fig. 7, the collected image 1 is a local video image collected by a multi-screen splicing terminal. The decoded images 0-3 are sub video source images of a far-end terminal received and decoded by the multi-picture splicing terminal. The multi-picture splicing terminal can splice the local video image and the sub video source image into a multi-picture according to the multi-picture split screen mode, and encode and output the spliced multi-picture.
In the embodiment, the multi-picture splicing terminal is used for acquiring the local video image, receiving the sub-video source image sent by the far-end terminal and splicing the local video image and the sub-video source image into the multi-picture, so that the local video image and the video image of the far-end terminal can be simultaneously displayed in the multi-picture, and the flexibility of multi-picture splicing is improved.
It should be understood that although the various steps of fig. 2 and 5 are shown sequentially in order, these steps are not necessarily performed sequentially in order. The steps are not limited to being performed in the exact order illustrated and, unless explicitly stated herein, may be performed in other orders. Moreover, at least some of the steps in fig. 2 and 5 may include multiple sub-steps or multiple stages, which are not necessarily performed at the same time, but may be performed at different times, and the order of performing the sub-steps or stages is not necessarily sequential, but may be performed alternately or alternately with other steps or at least some of the sub-steps or stages of other steps.
In one embodiment, as shown in fig. 8, there is provided a multi-screen split-screen mode customizing apparatus 800, including: a determination module 801, a conversion module 802, and a generation module 803, wherein:
a determining module 801, configured to determine a video format of multiple pictures to be stitched, and set a canvas according to a preset scaling of the video format; setting a sprite which is consistent with the width and height ratio of the sub video source image in the canvas, and determining the virtual coordinate and the virtual width and height of the sprite on the canvas.
A converting module 802, configured to convert the virtual coordinates and the virtual width and height into real coordinates and real width and height according to a preset scaling.
And the generating module 803 is configured to generate a corresponding multi-screen split mode according to the video format, the correspondence between the sub-screen and the sub-video source image, the real coordinate, and the real width and height.
In one embodiment, the generating module 803 is further configured to obtain a background image of multiple pictures to be stitched; determining the background color of multiple pictures to be spliced; and generating a corresponding multi-picture split screen mode according to the background image, the background color, the video format, the corresponding relation between the sub-picture and the sub-video source image, the real coordinate and the real width and height.
Referring to fig. 9, in one embodiment, the multi-screen split-screen mode customizing apparatus 800 further includes: an import module 804 and a send module 805, wherein:
an importing module 804, configured to import an existing multi-screen split screen mode; adjusting a sub-picture corresponding to the existing multi-picture split-screen mode in a canvas corresponding to the existing multi-picture split-screen mode; the width-height ratio of the adjusted sub-picture to the corresponding sub-video source image is consistent; the notification determination module 801 determines the virtual coordinates and the virtual width and height of the sprite on the canvas; the notification conversion module 802 converts the virtual coordinates and the virtual width and height into real coordinates and real width and height according to a preset scaling; the notification generation module 803 generates a corresponding multi-screen split mode according to the video format, the corresponding relationship between the sub-screen and the sub-video source image, the real coordinates and the real width and height.
The sending module 805 is configured to send the multi-screen split mode to the multi-screen splicing terminal to instruct the multi-screen splicing terminal to splice the sub-video source images into multiple screens according to the multi-screen split mode.
The multi-picture split screen mode customizing device sets canvas according to the preset scaling of the video format by determining the video format of the multi-picture to be spliced; setting a sprite with the width and height proportion consistent with that of the sub-video source image in the canvas, and determining the virtual coordinate and the virtual width and height of the sprite on the canvas; converting the virtual coordinate and the virtual width and height into a real coordinate and a real width and height according to a preset scaling; and generating a corresponding multi-picture split screen mode according to the video format, the corresponding relation between the sub-picture and the sub-video source image, the real coordinate and the real width and height. Therefore, the sub-picture with the width-height ratio consistent with that of the sub-video source image is set in a self-defined mode, so that the width-height ratio of the sub-picture in the multi-picture split-screen mode is always consistent with that of the sub-video source image, the image deformation of the sub-picture is avoided, and the multi-picture display effect is improved.
In one embodiment, as shown in fig. 10, there is provided a multi-screen stitching device 1000, including: an obtaining module 1001, a receiving module 1002, and a splicing module 1003, wherein:
an obtaining module 1001 is configured to obtain a sub video source image.
A receiving module 1002, configured to receive a multi-screen split mode sent by a customized terminal; the multi-picture split screen mode is generated according to the video format of the multi-picture to be spliced, the corresponding relation between the sub-picture and the sub-video source image, the real coordinate and the real width and height of the sub-picture; the real coordinate and the real width and height are obtained by converting the virtual coordinate and the virtual width and height of the sprite on the canvas according to the preset scaling of the video format; the width-height ratio of the sub-picture in the canvas is consistent with the width-height ratio of the sub-video source image; the canvas is set according to the preset scaling of the video format.
And the splicing module 1003 is configured to splice the sub-video source images into multiple pictures according to the multi-picture split-screen mode.
In one embodiment, the stitching module 1003 is further configured to perform proportional scaling on the sub-video source image according to the real width and height of the sub-frame in the multi-frame split screen mode; and splicing the zoomed sub-video source images into the multi-images according to the video format of the multi-images to be spliced in the multi-image split-screen mode, the corresponding relation between the sub-images and the sub-video source images and the real coordinates of the sub-images.
In one embodiment, the stitching module 1003 is further configured to capture local video images; and splicing the local video image and the sub video source image into a multi-picture according to the multi-picture split screen mode.
The multi-picture split screen mode customizing device acquires the sub video source images; receiving a multi-picture split screen mode sent by a customized terminal; the multi-picture split screen mode is generated according to the video format of the multi-picture to be spliced, the corresponding relation between the sub-picture and the sub-video source image, the real coordinate and the real width and height of the sub-picture; the real coordinate and the real width and height are obtained by converting the virtual coordinate and the virtual width and height of the sprite on the canvas according to the preset scaling of the video format; the width-height ratio of the sub-picture in the canvas is consistent with the width-height ratio of the sub-video source image; the canvas is obtained by setting according to the preset scaling of the video format; and splicing the sub video source images into multiple pictures according to the multi-picture split screen mode. Therefore, the sub-picture with the width-height ratio consistent with that of the sub-video source image is set in a user-defined mode, so that the width-height ratio of the sub-picture in the multi-picture split-screen mode is always consistent with that of the sub-video source image, the sub-picture image is prevented from being deformed, and the multi-picture display effect is improved.
For specific limitations of the multi-screen split-screen mode customizing device, reference may be made to the above limitations of the multi-screen split-screen mode customizing method, and details are not described herein again. The modules in the multi-screen split-screen mode customizing device can be wholly or partially realized by software, hardware and a combination thereof. The modules can be embedded in a hardware form or independent from a processor in the computer device, and can also be stored in a memory in the computer device in a software form, so that the processor can call and execute operations corresponding to the modules.
In one embodiment, a computer device is provided, which may be the customized terminal 102 or the multi-screen splicing terminal 104 in fig. 1, and the internal structure thereof may be as shown in fig. 11. The computer device includes a processor, a memory, a network interface, a display screen, and an input device connected by a system bus. Wherein the processor of the computer device is configured to provide computing and control capabilities. The memory of the computer device comprises a nonvolatile storage medium and an internal memory. The non-volatile storage medium stores an operating system and a computer program. The internal memory provides an environment for the operating system and the computer program to run on the non-volatile storage medium. The network interface of the computer device is used for communicating with an external terminal through a network connection. The computer program is executed by a processor to implement a multi-screen split mode customization method. The display screen of the computer equipment can be a liquid crystal display screen or an electronic ink display screen, and the input device of the computer equipment can be a touch layer covered on the display screen, a key, a track ball or a touch pad arranged on a shell of the computer equipment, an external keyboard, a touch pad or a mouse and the like.
Those skilled in the art will appreciate that the architecture shown in fig. 11 is merely a block diagram of some of the structures associated with the disclosed aspects and is not intended to limit the computing devices to which the disclosed aspects apply, as particular computing devices may include more or less components than those shown, or may combine certain components, or have a different arrangement of components.
In one embodiment, a computer device is provided, comprising a memory and a processor, the memory having a computer program stored therein, the processor implementing the following steps when executing the computer program:
determining a video format of multiple pictures to be spliced, and setting canvas according to a preset scaling of the video format;
setting a sprite with the width and height proportion consistent with that of the sub-video source image in the canvas, and determining the virtual coordinate and the virtual width and height of the sprite on the canvas;
converting the virtual coordinate and the virtual width and height into a real coordinate and a real width and height according to a preset scaling;
and generating a corresponding multi-picture split screen mode according to the video format, the corresponding relation between the sub-picture and the sub-video source image, the real coordinate and the real width and height.
In one embodiment, the processor, when executing the computer program, further performs the steps of:
acquiring background images of multiple pictures to be spliced;
determining the background color of multiple pictures to be spliced;
generating a corresponding multi-picture split-screen mode according to the video format, the corresponding relation between the sub-picture and the sub-video source image, the real coordinate and the real width and height, and comprising the following steps:
and generating a corresponding multi-picture split-screen mode according to the background image, the background color, the video format, the corresponding relation between the sub-picture and the sub-video source image, the real coordinate and the real width and height.
In one embodiment, the processor, when executing the computer program, further performs the steps of:
importing an existing multi-picture split screen mode;
adjusting a sub-picture corresponding to the existing multi-picture split screen mode in a canvas corresponding to the existing multi-picture split screen mode; the width-height ratio of the adjusted sub-picture to the corresponding sub-video source image is consistent;
the step of determining the virtual coordinates and virtual width and height of the sprite on the canvas and the subsequent steps are performed.
In one embodiment, the processor, when executing the computer program, further performs the steps of:
and sending the multi-picture split screen mode to a multi-picture splicing terminal to indicate the multi-picture splicing terminal to splice the sub video source images into multiple pictures according to the multi-picture split screen mode.
In one embodiment, a computer device is provided, comprising a memory and a processor, the memory having a computer program stored therein, the processor implementing the following steps when executing the computer program:
acquiring a sub video source image;
receiving a multi-picture split screen mode sent by a customized terminal; the multi-picture split screen mode is generated according to the video format of the multi-picture to be spliced, the corresponding relation between the sub-picture and the sub-video source image, the real coordinate and the real width and height of the sub-picture; the real coordinate and the real width and height are obtained by converting the virtual coordinate and the virtual width and height of the sprite on the canvas according to the preset scaling of the video format; the width-height ratio of the sub-picture in the canvas is consistent with the width-height ratio of the sub-video source image; the canvas is obtained by setting according to the preset scaling of the video format;
and splicing the sub video source images into multiple pictures according to the multi-picture split screen mode.
In one embodiment, the processor, when executing the computer program, further performs the steps of:
scaling the sub video source image in an equal ratio according to the real width and height of the sub image in the multi-image split screen mode;
and splicing the zoomed sub-video source images into multiple images according to the video format of the multiple images to be spliced in the multi-image split-screen mode, the corresponding relation between the sub-images and the sub-video source images and the real coordinates of the sub-images.
In one embodiment, the processor, when executing the computer program, further performs the steps of:
collecting local video images;
and splicing the local video image and the sub video source image into a multi-picture according to the multi-picture split screen mode.
In one embodiment, a computer-readable storage medium is provided, having a computer program stored thereon, which when executed by a processor, performs the steps of:
determining a video format of multiple pictures to be spliced, and setting canvas according to a preset scaling of the video format;
setting a sprite with the width and height proportion consistent with that of the sub-video source image in the canvas, and determining the virtual coordinate and the virtual width and height of the sprite on the canvas;
converting the virtual coordinate and the virtual width and height into a real coordinate and a real width and height according to a preset scaling;
and generating a corresponding multi-picture split screen mode according to the video format, the corresponding relation between the sub-picture and the sub-video source image, the real coordinate and the real width and height.
In one embodiment, the computer program when executed by the processor further performs the steps of:
acquiring a background image of multiple pictures to be spliced;
determining the background color of multiple pictures to be spliced;
generating a corresponding multi-picture split-screen mode according to the video format, the corresponding relation between the sub-picture and the sub-video source image, the real coordinate and the real width and height, and comprising the following steps:
and generating a corresponding multi-picture split screen mode according to the background image, the background color, the video format, the corresponding relation between the sub-picture and the sub-video source image, the real coordinate and the real width and height.
In one embodiment, the computer program when executed by the processor further performs the steps of:
importing an existing multi-picture split screen mode;
adjusting a sub-picture corresponding to the existing multi-picture split screen mode in a canvas corresponding to the existing multi-picture split screen mode; the width-height ratio of the adjusted sub-picture to the corresponding sub-video source image is consistent;
the step of determining the virtual coordinates and virtual width and height of the sprite on the canvas and the subsequent steps are performed.
In one embodiment, the computer program when executed by the processor further performs the steps of:
and sending the multi-picture split screen mode to a multi-picture splicing terminal to indicate the multi-picture splicing terminal to splice the sub video source images into multiple pictures according to the multi-picture split screen mode.
In one embodiment, a computer-readable storage medium is provided, having a computer program stored thereon, which when executed by a processor, performs the steps of:
acquiring a sub video source image;
receiving a multi-picture split screen mode sent by a customized terminal; the multi-picture split screen mode is generated according to the video format of the multi-picture to be spliced, the corresponding relation between the sub-picture and the sub-video source image, the real coordinate and the real width and height of the sub-picture; the real coordinate and the real width and height are obtained by converting the virtual coordinate and the virtual width and height of the sprite on the canvas according to the preset scaling of the video format; the width-height ratio of the sub-picture in the canvas is consistent with the width-height ratio of the sub-video source image; the canvas is obtained by setting according to the preset scaling of the video format;
and splicing the sub video source images into multiple pictures according to the multi-picture split screen mode.
In one embodiment, the computer program when executed by the processor further performs the steps of:
scaling the sub video source images in an equal ratio according to the real width and height of the sub images in the multi-image split screen mode;
and splicing the zoomed sub-video source images into multiple images according to the video format of the multiple images to be spliced in the multi-image split-screen mode, the corresponding relation between the sub-images and the sub-video source images and the real coordinates of the sub-images.
In one embodiment, the computer program when executed by the processor further performs the steps of:
collecting local video images;
and splicing the local video image and the sub video source image into a multi-picture according to the multi-picture split screen mode.
It will be understood by those skilled in the art that all or part of the processes of the methods of the embodiments described above can be implemented by hardware instructions of a computer program, which can be stored in a non-volatile computer-readable storage medium, and when executed, can include the processes of the embodiments of the methods described above. Any reference to memory, storage, database, or other medium used in the embodiments provided herein may include non-volatile and/or volatile memory, among others. Non-volatile memory can include read-only memory (ROM), Programmable ROM (PROM), Electrically Programmable ROM (EPROM), Electrically Erasable Programmable ROM (EEPROM), or flash memory. Volatile memory can include Random Access Memory (RAM) or external cache memory. By way of illustration and not limitation, RAM is available in a variety of forms such as Static RAM (SRAM), Dynamic RAM (DRAM), Synchronous DRAM (SDRAM), Double Data Rate SDRAM (DDRSDRAM), Enhanced SDRAM (ESDRAM), Synchronous Link DRAM (SLDRAM), Rambus Direct RAM (RDRAM), direct bus dynamic RAM (DRDRAM), and memory bus dynamic RAM (RDRAM).
The technical features of the above embodiments can be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the above embodiments are not described, but should be considered as the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present application, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the concept of the present application, which falls within the scope of protection of the present application. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (11)
1. A method for customizing a multi-screen split-screen mode, the method comprising:
determining a video format of multiple pictures to be spliced, and setting canvas according to a preset scaling of the video format; the video format refers to the resolution of the video corresponding to the multiple pictures to be spliced;
setting a sub-picture consistent with the width-height ratio of a sub-video source image in the canvas, and determining the virtual coordinate and the virtual width-height of the sub-picture on the canvas; the virtual coordinates are coordinates of a sprite drawn on the canvas; the virtual width and height are the width and height of a sprite drawn on the canvas;
converting the virtual coordinates and the virtual width and height into real coordinates and real width and height according to the preset scaling; the real coordinates are coordinates of sub-pictures in the multiple pictures to be spliced; the real width and height are the width and height of the sub-pictures in the multi-pictures to be spliced;
generating a corresponding multi-picture split screen mode according to the video format, the corresponding relation between the sub-picture and the sub-video source image, the real coordinate and the real width and height; the multi-picture split screen mode is a layout mode for carrying out multi-picture splicing on the sub video source images.
2. The method of claim 1, further comprising:
acquiring background images of multiple pictures to be spliced;
determining the background color of multiple pictures to be spliced;
the generating of the corresponding multi-picture split-screen mode according to the video format, the corresponding relation between the sub-picture and the sub-video source image, the real coordinate and the real width and height comprises the following steps:
and generating a corresponding multi-picture split screen mode according to the background image, the background color, the video format, the corresponding relation between the sub-picture and the sub-video source image, the real coordinate and the real width and height.
3. The method of claim 1, further comprising:
importing an existing multi-picture split screen mode;
adjusting a sub-picture corresponding to the existing multi-picture split-screen mode in the canvas corresponding to the existing multi-picture split-screen mode; the width-height ratio of the adjusted sub-picture to the corresponding sub-video source image is consistent;
and executing the step of determining the virtual coordinate and the virtual width and height of the sprite on the canvas and the subsequent steps.
4. The method according to any one of claims 1 to 3, further comprising:
and sending the multi-picture split screen mode to a multi-picture splicing terminal to instruct the multi-picture splicing terminal to splice the sub-video source images into multiple pictures according to the multi-picture split screen mode.
5. A multi-picture splicing method, characterized in that the method comprises:
acquiring a sub video source image;
receiving a multi-picture split screen mode sent by a customized terminal; the multi-picture split screen mode is generated according to the video format of the multi-picture to be spliced, the corresponding relation between the sub-picture and the sub-video source image, the real coordinate and the real width and height of the sub-picture; the real coordinate and the real width and height are obtained by converting the virtual coordinate and the virtual width and height of the sprite on the canvas according to the preset scaling of the video format; the width-to-height ratio of the sub-picture in the canvas is consistent with the width-to-height ratio of the sub-video source image; the canvas is obtained by setting according to a preset scaling of the video format; the video format refers to the resolution of the video corresponding to the multiple pictures to be spliced; the real coordinates are coordinates of sub-pictures in the multiple pictures to be spliced; the real width and height are the width and height of the sub-pictures in the multi-pictures to be spliced; the virtual coordinates are coordinates of a sprite drawn on the canvas; the virtual width and height are the width and height of a sprite drawn on the canvas;
splicing the sub-video source images into multiple pictures according to the multi-picture split screen mode; the multi-picture split screen mode is a layout mode for carrying out multi-picture splicing on the sub video source images.
6. The method of claim 5, wherein said stitching the sub-video source images into a multi-picture according to the multi-picture split screen mode comprises:
scaling the sub video source image in an equal ratio according to the real width and height of the sub image in the multi-image split screen mode;
and splicing the zoomed sub-video source images into multiple images according to the video format of the multiple images to be spliced in the multi-image split-screen mode, the corresponding relation between the sub-images and the sub-video source images and the real coordinates of the sub-images.
7. The method of claim 5, wherein said stitching the sub-video source images into a multi-picture according to the multi-picture split screen mode comprises:
collecting local video images;
and splicing the local video image and the sub video source image into a multi-picture according to the multi-picture split screen mode.
8. A multi-screen split-screen mode customizing apparatus, comprising:
the device comprises a determining module, a judging module and a display module, wherein the determining module is used for determining the video format of multiple pictures to be spliced and setting canvas according to the preset scaling of the video format; setting a sub-picture consistent with the width-height ratio of a sub-video source image in the canvas, and determining the virtual coordinate and the virtual width-height of the sub-picture on the canvas; the video format refers to the resolution of the video corresponding to the multiple pictures to be spliced; the virtual coordinates are coordinates of a sprite drawn on the canvas; the virtual width and height are the width and height of a sprite drawn on the canvas;
the conversion module is used for converting the virtual coordinate and the virtual width and height into a real coordinate and a real width and height according to the preset scaling; the real coordinates are coordinates of sub-pictures in the multiple pictures to be spliced; the real width and height are the width and height of the sub-pictures in the multi-pictures to be spliced;
the generating module is used for generating a corresponding multi-picture split screen mode according to the video format, the corresponding relation between the sub-picture and the sub-video source image, the real coordinate and the real width and height; the multi-picture split screen mode is a layout mode for carrying out multi-picture splicing on the sub video source images.
9. A multi-picture stitching device, comprising:
the acquisition module is used for acquiring a sub video source image;
the receiving module is used for receiving the multi-picture split screen mode sent by the customized terminal; the multi-picture split screen mode is generated according to the video format of the multi-picture to be spliced, the corresponding relation between the sub-picture and the sub-video source image, the real coordinate and the real width and height of the sub-picture; the real coordinate and the real width and height are obtained by converting the virtual coordinate and the virtual width and height of the sprite on the canvas according to the preset scaling of the video format; the width-to-height ratio of the sub-picture in the canvas is consistent with the width-to-height ratio of the sub-video source image; the canvas is obtained by setting according to a preset scaling of the video format; the video format refers to the resolution of the video corresponding to the multiple pictures to be spliced; the real coordinates are coordinates of sub-pictures in the multiple pictures to be spliced; the real width and height are the width and height of the sub-pictures in the multi-pictures to be spliced; the virtual coordinates are coordinates of a sprite drawn on the canvas; the virtual width and height are the width and height of a sprite drawn on the canvas;
the splicing module is used for splicing the sub-video source images into multiple pictures according to the multi-picture split screen mode; the multi-picture split screen mode is a layout mode for carrying out multi-picture splicing on the sub video source images.
10. A computer device comprising a memory, a processor and a computer program stored on the memory and executable on the processor, characterized in that the steps of the method of any of claims 1 to 7 are implemented by the processor when executing the computer program.
11. A computer-readable storage medium, on which a computer program is stored, which, when being executed by a processor, carries out the steps of the method of any one of claims 1 to 7.
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