CN113132653B - Automatic split screen implementation method capable of being split into screens with any playing number - Google Patents
Automatic split screen implementation method capable of being split into screens with any playing number Download PDFInfo
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/222—Studio circuitry; Studio devices; Studio equipment
- H04N5/262—Studio circuits, e.g. for mixing, switching-over, change of character of image, other special effects ; Cameras specially adapted for the electronic generation of special effects
- H04N5/2624—Studio circuits, e.g. for mixing, switching-over, change of character of image, other special effects ; Cameras specially adapted for the electronic generation of special effects for obtaining an image which is composed of whole input images, e.g. splitscreen
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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
- H04N21/41—Structure of client; Structure of client peripherals
- H04N21/426—Internal components of the client ; Characteristics thereof
- H04N21/42607—Internal components of the client ; Characteristics thereof for processing the incoming bitstream
- H04N21/42615—Internal components of the client ; Characteristics thereof for processing the incoming bitstream involving specific demultiplexing arrangements
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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
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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
- H04N21/44—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream, rendering scenes according to MPEG-4 scene graphs
- H04N21/4402—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream, rendering scenes according to MPEG-4 scene graphs involving reformatting operations of video signals for household redistribution, storage or real-time display
- H04N21/440263—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream, rendering scenes according to MPEG-4 scene graphs involving reformatting operations of video signals for household redistribution, storage or real-time display by altering the spatial resolution, e.g. for displaying on a connected PDA
- H04N21/440272—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream, rendering scenes according to MPEG-4 scene graphs involving reformatting operations of video signals for household redistribution, storage or real-time display by altering the spatial resolution, e.g. for displaying on a connected PDA for performing aspect ratio conversion
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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
- H04N21/485—End-user interface for client configuration
- H04N21/4858—End-user interface for client configuration for modifying screen layout parameters, e.g. fonts, size of the windows
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/222—Studio circuitry; Studio devices; Studio equipment
- H04N5/262—Studio circuits, e.g. for mixing, switching-over, change of character of image, other special effects ; Cameras specially adapted for the electronic generation of special effects
- H04N5/268—Signal distribution or switching
Abstract
The invention discloses an automatic split-screen implementation system capable of being divided into screens with any playing number, which comprises an image display screen terminal (1) of a video playing device, a video stream allocation terminal (2), a split-screen image definition monitoring module (3), a watching and monitoring personnel distance setting module (4), a display screen terminal split-screen control module (5) and a resolution and size acquisition module (6) for acquiring the image display screen terminal (1); the display screen terminal split screen control module (5) is respectively in data communication connection with the image display screen terminal (1), the video stream allocation terminal (2), each split screen image definition monitoring module (3), the watching and monitoring personnel distance setting module (4) and the image display screen resolution and size acquisition module (6); meanwhile, the image display screen resolution and size acquisition module (6) is also in data communication connection with the image display screen terminal (1); the video stream allocation terminal (2) and each split-screen image definition monitoring module (3) are also in data communication connection with the image display screen terminal (1). According to the automatic screen splitting implementation system and the automatic screen splitting method, the screens can be split into any number of screens, the resolution of the focused attention image is split in the mode of acquiring the horizontal resolution and the vertical resolution, and the distributed images meeting the resolution requirement are output through splitting, so that the image display requirement is met while the split screens are guaranteed.
Description
Technical Field
The invention relates to the technical field of automatic screen splitting, in particular to an automatic screen splitting implementation method and a control system capable of being split into screens with any playing number.
Background
In order to protect the health and safety of people, it is a very effective method to provide monitoring to the environment. On the road, the sky eyes are arranged to monitor the happening of each road section of the road, so that public security departments can inquire the happening of dangerous things or track criminals, and particularly on the relatively small road, if the happening of the road can be well shot and displayed, the city safety maintenance method has positive significance for the public security departments to maintain the city safety. And in the road, still be provided with the car on the road and violate regulations, illegal photographing equipment and road conditions monitoring facilities, can monitor the real-time road conditions of road to can discover in time to block up, and mention the solution. The monitoring equipment arranged in the factory enterprise also monitors the operation of the factory to maintain the industrial production safety of the factory, namely the monitoring equipment is widely used in our life and production and has huge effect. The camera monitoring system is set, and the display equipment is inevitably required to be set for display, so that at present, one device is basically used for carrying out split-screen display on multiple paths of videos of a plurality of camera devices. Such as:
for example, patent CN110392295A discloses a method for implementing automatic screen splitting of multi-channel video playing in a video monitoring system, which includes the following steps: s1, calculating the width and height of the playing container; s2, dynamically binding the playing container; s3, selecting a split screen mode; s4, intelligent split screen mode; s5, a non-intelligent split screen mode; s6, dynamically calculating the high video bandwidth; and S7, video multiplexing and screen splitting. The method provides two screen splitting modes for a user, wherein the intelligent screen splitting mode can automatically split screens, the non-intelligent screen splitting mode requires the user to set the screen splitting number, the final results are the same, the operability of the user is improved, the size of the screen is calculated according to the screen splitting mode selected by the user, the width and the height of each frequency division are calculated by adopting the size of a dynamic playing window body, and the left floating layout is carried out on the screen splitting, so that the effect of carrying out equal-proportion division on the screen is achieved, and the requirement of the user for simultaneously watching a plurality of paths of videos is met.
Patent CN111885351A discloses a screen display method, device, terminal equipment and storage medium, including: the video monitoring platform of the video network sends a video monitoring viewing instruction to the free split screen and screen combination server, wherein the video monitoring viewing instruction comprises video layout information of target monitoring equipment which is generated in advance, and receives video monitoring data of the target monitoring equipment which is sent by the free split screen and screen combination server and corresponds to the identification of the target monitoring equipment; according to the corresponding relation between the target monitoring equipment identification and the video position information in the free split screen layout template, the video monitoring data is split screen displayed at the position corresponding to the video position information in the free split screen layout template.
Patent CN110460890A discloses a method, an apparatus and a computer readable storage medium for controlling multiple channels of video, the method comprising: respectively decoding video data of two or more different signal sources to obtain corresponding video signals; on a display screen, displaying videos corresponding to each video signal in a split screen mode; when a current operation instruction for a current video on a current screen locked in split screens is received, determining a current operation strategy corresponding to the current operation instruction according to the corresponding relation between the stored operation instruction and the operation strategy; and operating the current video on the current screen according to the current operation strategy. The invention can solve the problems of split-screen display and independent control of video signals of different sources, meets the requirement of multi-screen display of videos of different sources by a user through decoding of multi-path videos of different sources, and can also carry out independent operation on one screen, thereby realizing that the play and the operation control of the videos of two different sources do not influence each other.
Patent CN108012168A discloses a control method for multi-channel video stream live broadcast and a video live broadcast system, and relates to the technical field of video live broadcast, wherein the method comprises the following steps: the terminal requests a resource address of a live video stream from the set top box; the terminal requests a live broadcast integration video stream from a live broadcast server according to the resource address of the live broadcast video stream returned by the set top box; and responding to the play selection instruction, the terminal determines the live broadcast video stream selected from the live broadcast integrated video stream, and sends a play switching instruction to the set-top box so that the set-top box plays the selected live broadcast video stream. According to the control method and the video live broadcast system for the multi-channel video stream live broadcast, all video contents are displayed on the terminal in a multi-window split screen mode, the set top box is switched to the channel of video for playing according to any channel of video program selected by a user on the terminal, so that the user can conveniently realize video switching through the terminal, different requirements of different users on video playing are met, and user experience is improved.
Patent CN 105611388A discloses a method and a system for implementing multi-screen preview, the method includes: dividing an intelligent television display screen into a plurality of display areas in advance, wherein each display area corresponds to one path of HDMI signal input end; the intelligent television detects the video signal input in real time, and judges whether the video signal is an analog signal or not when the video signal input is detected; when the video signal is an analog signal, the analog signal is converted into an HDMI signal through a Si8784 type chip, and then the HDMI signal is transmitted to a corresponding display area through an HDMI signal input end and displayed; and when the video signal is not an analog signal, transmitting the video signal to a corresponding display area through the HDMI signal input end and displaying. In the invention, multiple paths of video signals are simultaneously input and are superposed and displayed on the same screen, so that the main picture is enjoyed while other channel signals are monitored, multiple dynamic pictures are smoothly played, and multiple information source small pictures are simultaneously previewed.
The patent CN11836012A discloses a video fusion and video linkage method and electronic equipment based on a three-dimensional scene, which comprises the steps of three-dimensional modeling of a monitoring area, planning and deployment of a scene and a target camera, enhanced shake elimination and correction processing of the scene video, identification and analysis of the scene video, the scene video and a thermodynamic diagram thereof, three-dimensional matching and fusion of a hot target, three-dimensional matching linkage of the target camera, monitoring and correction of position and attitude offset of the scene camera and the like; the scene camera video image and the thermodynamic diagram thereof, the accurate spatial matching and fusion display of the hot target and the scene three-dimensional model are realized, the intelligent scheduling target camera obtains the fine image of the hot target, the accurate spatial matching and fusion display of other situation perception information, equipment facility information and task management and control information and the scene three-dimensional model are realized, the full-dimensional situation fusion monitoring based on the three-dimensional scene and the intelligent spatial positioning analysis and associated information fusion display based on the hot patrol, the planned task and the detection alarm are realized, and the intelligent level and the application efficiency of the comprehensive situation monitoring command system are remarkably improved.
Therefore, at present, the following defects exist in the aspects of a split-screen playing control method and a split-screen playing control system for a plurality of paths of video streams;
1. in the prior art, the width and height of a playing container are mainly obtained by using a video playing control module or a software system, but the display resolutions of different players are different, and if some screens are large, the resolution is low, and the areas of some screens are not large, but the resolution is high, so that if the screens are divided into a certain number of split screens according to the width and height of the display screen, some split screens have enough areas, but the images are not clear, and the display does not meet the use requirement;
2. in the prior art, when split-screen display is carried out, the distance between a watching and monitoring person and a split-screen display person is not considered, but the split-screen display person is only fixedly split into a plurality of split-screen images or split into a plurality of split-screen images according to the image size, namely, the problem exists that although the resolution of some split-screen images meets the requirement, the image area is possibly too small to be clearly watched due to the fact that the distances between the people who monitor and watch the display screen and the screen are different, and therefore, if the situation of monitoring users is not considered, the split-screen display mode does not utilize the watching and monitoring.
3. In the prior art, multiple paths of video streams are displayed by one display screen at the same time, so that the size of each split screen divided by the display screen is the same, but in actual use, in the multiple paths of video streams existing at the same time, the resolution of some video streams is high, and the resolution of some video streams is low, so that when multiple paths of video streams exist at the same time, partial split screen images are not clear enough in the multiple paths of split screens in the same display screen, and the watching and monitoring effects are influenced.
In view of the above technical problems, it is desirable to provide a screen splitting system capable of intelligently adjusting the screen splitting requirement, adaptively and automatically splitting the screen, and providing a split screen with a suitable size according to a video stream so as to better display an image. However, the prior art has not provided an effective solution to the above technical problem.
Disclosure of Invention
The invention aims to provide an automatic screen splitting realization system and an automatic screen splitting method capable of being divided into screens with any playing number, so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
an automatic split-screen implementation system capable of being divided into screens with any playing quantity comprises an image display screen terminal of a video playing device, a video stream allocation terminal, each split-screen image definition monitoring module, a watching and monitoring personnel distance setting module, a display screen terminal split-screen control module and a resolution and size acquisition module for acquiring the image display screen terminal;
the display screen terminal split screen control module is respectively in data communication connection with the image display screen terminal, the video stream allocation terminal, each split screen image definition monitoring module, the watching and monitoring personnel distance setting module and the image display screen resolution and size acquisition module; meanwhile, the image display screen resolution and size acquisition module is also in data communication connection with the image display screen terminal; the video stream allocation terminal and each split-screen image definition monitoring module are also in data communication connection with the image display screen terminal;
the method is characterized in that:
the resolution and size acquisition module acquires the total resolution of the image display terminal, including acquiring the horizontal resolution AW and the vertical resolution AH of the image display terminal of a video playing device, and acquiring the horizontal width W and the vertical height H of the image display terminal;
the viewing and monitoring personnel distance setting module inputs the distance between the viewing and monitoring personnel and the image display terminal and inputs the distance into the display screen terminal split screen control module, and the display screen terminal split screen control module generates the minimum split screen image width WF and the minimum split screen image height HF according to the distance so as to ensure that the image can be clearly seen;
automatically generating the maximum number of split screens according to the width and the height of the generated minimum split screen image and combining the horizontal width W and the vertical height H of the current image display terminal, wherein the height and the width of each split screen are equal, and the following conditions are met:
when the horizontal split screen amount wO and the vertical split screen amount hO of the image display terminal of the playing device are equal to or less than wO & ltWF & gt and equal to (W0+1) wWF,
hO or HF or less and H or less and (hO +1) or more HF; the maximum screen splitting number N is obtained as follows: n ═ wO h O;
meanwhile, according to the horizontal resolution AW and the vertical resolution AH of the image display terminal, obtaining the horizontal resolution AWO and the vertical resolution AHO of the split screen, wherein AWO is AW multiplied by WF/W,
AHO＝AH＊HF/H；
the video stream allocating terminal detects and identifies the image width, height and resolution of the picture of the multi-channel video to be played;
and judging each video piece as follows: when the image width, height, width resolution and height resolution of the video are all smaller than the width wO, height hO, width resolution AWO and height resolution AHO of the split screen, one split screen is used for outputting and displaying the video, and for each video which cannot meet the condition, the video stream allocation terminal automatically adjusts the image width and height of each video which cannot meet the condition so as to fully distribute the whole split screen; and the split-screen image definition monitoring modules perform image definition detection on display images of the automatically adjusted videos in the split screens, if the image definition meets the requirement, the width and the height of the split screens are not adjusted, otherwise, the width and the height of the split screens are adjusted, so that the image definition meets the display requirement, and finally, the resolution and the size of each row and each column are ensured to be less than or equal to the horizontal width W and the vertical height H of the corresponding horizontal resolution and the vertical resolution.
Preferably, in order to ensure the video playing effect of the playing device, the automatic split-screen implementation system automatically ensures that the minimum horizontal resolution and the minimum vertical resolution of each split-screen output window are ═ 32; namely, ensuring that: if the horizontal resolution ratio AW/horizontal split screen quantity WX of the video playing device is greater than or equal to 32, and the vertical resolution ratio AH/vertical split screen quantity WH of the video playing device is greater than or equal to 32, if the horizontal resolution ratio after split screen is less than 32 due to the fact that the split screen quantity N of the user resetting the playing device is too large, the value of the horizontal split screen quantity WX is automatically reduced step by 1 each time until the above conditions are met; if the vertical resolution after the split screen is less than 32 due to the fact that the split screen number N of the user reset playing equipment is too large, the value of the vertical split screen number WH is automatically reduced step by 1 each time until the above conditions are met.
Preferably, when the split screens are arranged in the image display screen terminal, centers of the split screens are symmetrically arranged in rows and columns as much as possible to form a queue mode.
Preferably, when there is still a split-screen video-free stream to be displayed after all the video pairs are displayed by using the corresponding split screens, in order to ensure the definition of the image, the video streams of all the scaling sizes are scaled up, and the resolution and the size of each row and each column of the video streams after being scaled up are ensured to be less than or equal to the horizontal width W and the vertical height H of the corresponding horizontal resolution and the vertical resolution.
Preferably, in order to ensure the consistency and readability of the images, when each video stream is displayed in a split screen, the associated video streams are distributed in two adjacent split screens, and the boundaries of the two adjacent images are displayed in a butt joint mode, so that a large split screen display mode is formed.
Preferably, in order to facilitate the viewing and monitoring of the split-screen image by the viewing and monitoring personnel, the viewing and monitoring personnel can define the split-screen position display of the video stream at each fixed position according to the preference of the viewing and monitoring personnel or the requirement of observation convenience or memory, so that the viewer can find the image in time.
Preferably, in order to meet the requirement of arrangement of each path of video stream displayed in the image display screen terminal by watching and monitoring personnel, the arrangement of each path of video stream in each split screen is performed through the video stream allocation terminal, but in the arrangement, the size and the resolution of the split screen are kept unchanged in a mode of realizing the split screen through the automatic split screen realization system before the split screen is installed.
Preferably, after the automatic screen splitting implementation system is used for screen splitting, a software display switch is arranged in each split screen, and the software display switch can be used for selecting the corresponding video display of the switch so as to display or not display images.
On the other hand, the application also provides an automatic split screen implementation method capable of being divided into screens with any playing number, which comprises an automatic split screen system capable of being divided into screens with any playing number, and is characterized in that the automatic split screen implementation method comprises the following steps;
step S1, acquiring a horizontal width W and a vertical height H of the image display terminal: the resolution and size acquisition module acquires the total resolution of the image display terminal, including acquiring the horizontal resolution AW and the vertical resolution AH of the image display terminal of the video playing device;
step S2, the automatic screen splitting system obtains the width and height of the playing device, and the distance between the watching personnel and the monitoring personnel is set as follows: the viewing and monitoring personnel distance setting module inputs the distance between the viewing and monitoring personnel and the image display terminal and inputs the distance into the display screen terminal split screen control module, and the display screen terminal split screen control module generates the minimum split screen image width WF and the minimum split screen image height HF according to the distance so as to ensure that the image can be clearly seen;
step S3, automatically generating a maximum number of split screens according to the width and height of the generated minimum split screen image, and combining the horizontal width W and vertical height H of the current image display terminal, wherein the height and width of each split screen are equal, and the following conditions are satisfied:
when the horizontal split screen amount wO and the vertical split screen amount hO of the image display terminal of the playing device, wO & ltWF & gt is less than or equal to W & lt (wO +1) wWF,
hO or HF or less and H or less and (hO +1) or more HF; the maximum screen splitting number N is obtained as follows: n ═ wO h O;
meanwhile, according to the horizontal resolution AW and the vertical resolution AH of the image display terminal, obtaining the horizontal resolution AWO and the vertical resolution AHO of the split screen, wherein AWO is AW multiplied by WF/W,
AHO＝AH＊HF/H；
step S4, the video stream allocating terminal detects and identifies the image width, height and resolution of the picture of the multi-channel video to be played;
and judging each video piece as follows: when the image width, height, width resolution and height resolution of the video are all smaller than the width wO, height hO, width resolution AWO and height resolution AHO of the split screen, one split screen is used for outputting and displaying the video, and for each video which cannot meet the condition, the video stream allocation terminal automatically adjusts the image width and height of each video which cannot meet the condition so as to fully distribute the whole split screen; the split screen image definition monitoring modules carry out image definition detection on display images of the automatically adjusted videos in the split screens, if the image definition meets requirements, the width and the height of the split screens are not adjusted, otherwise, the width and the height of the split screens are adjusted to enable the image definition to meet the display requirements, and finally the resolution and the size of each row and each column are ensured to be smaller than or equal to the horizontal width W and the vertical height H of the corresponding horizontal resolution and the vertical resolution
Step S5, in order to ensure image consistency and readability, when each video stream is displayed in a split screen, the associated video streams are allocated in two adjacent split screens, and the boundaries of the two adjacent images are displayed in a butt joint manner, so as to form a large split screen display manner.
Preferably, after the automatic screen splitting implementation system is used for screen splitting, a software display switch is arranged in each split screen, and the software display switch can be used for selecting the corresponding video display of the switch so as to display or not display images.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the automatic screen splitting implementation system and the automatic screen splitting method, the screens can be split into any number of screens, the resolution of the focused attention image is split in the mode of acquiring the horizontal resolution and the vertical resolution, and the distributed images meeting the resolution requirement are output through splitting, so that the image display requirement is met while the split screens are guaranteed.
2. The invention relates to an automatic split screen realization system and an automatic split screen method capable of being split into screens with any playing quantity, which comprises the steps of detecting the distance between an observer and a display screen, automatically acquiring the distance between an observer and a monitor when the automatic split screen is carried out, reasonably splitting the screen, ensuring enough resolution, and simultaneously having enough display split screen area so that the watching definition meets the requirement.
3. In the automatic screen splitting implementation system and the automatic screen splitting method, which can be divided into any number of screens to be played, the resolution of each video stream of multiple paths of videos input into a plurality of split screens is evaluated in advance, so that the resolution of the split screens of the display screens is reasonably set according to the resolution of the videos, the definition of each path of videos is ensured, and simultaneously, as many video streams as possible can be involved.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
In the figure: 1. an image display screen terminal; 2. a video stream allocating terminal; 3. each split screen image definition monitoring module; 4. a viewing and monitoring personnel distance setting module; 5. the display screen terminal split screen control module; 6. and a resolution and size acquisition module.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The first embodiment is as follows:
referring to fig. 1, the present invention provides a technical solution:
an automatic split-screen implementation system capable of being divided into screens with any playing quantity comprises an image display screen terminal 1 of a video playing device, a video stream allocation terminal 2, a split-screen image definition monitoring module 3, a watching and monitoring personnel distance setting module 4, a display screen terminal split-screen control module 5 and a resolution and size acquisition module 6 for acquiring the image display screen terminal 1;
the display screen terminal split screen control module 5 is respectively in data communication connection with the image display screen terminal 1, the video stream allocation terminal 2, each split screen image definition monitoring module 3, the watching and monitoring personnel distance setting module 4 and the image display screen resolution and size acquisition module 6; meanwhile, the image display screen resolution and size acquisition module 6 is also in data communication connection with the image display screen terminal 1; the video stream allocation terminal 2 and each split-screen image definition monitoring module 3 are also in data communication connection with the image display screen terminal 1;
the resolution and size obtaining module 6 obtains the total resolution of the image display terminal 1, including obtaining the horizontal resolution AW and the vertical resolution AH of the image display terminal 1 of the video playing device, and obtaining the horizontal width W and the vertical height H of the image display terminal 1;
the viewing and monitoring personnel distance setting module 4 inputs the distance between the viewing and monitoring personnel and the image display terminal 1 and inputs the distance into the display screen terminal split screen control module 5, and the display screen terminal split screen control module 5 generates the minimum split screen image width WF and the minimum split screen image height HF according to the distance so as to ensure that the image can be clearly seen;
automatically generating the maximum number of split screens according to the width and height of the generated minimum split screen image and combining the horizontal width W and the vertical height H of the current image display terminal 1, wherein the height and the width of each split screen are equal, and the following conditions are met:
when the horizontal split screen amount wO and the vertical split screen amount hO of the image display terminal 1 of the playing device, wO & ltWF & gt is less than or equal to W & ltwO +1 & ltWF,
hO or HF or less and H or less and (hO +1) or more HF; the maximum screen splitting number N is obtained as follows: n ═ wO h O;
meanwhile, according to the horizontal resolution AW and the vertical resolution AH of the image display terminal 1, the horizontal resolution AWO and the vertical resolution AHO of the split screen are obtained, and then AWO is AW WF/W,
AHO＝AH＊HF/H；
the video stream allocation terminal 2 detects and identifies the image width, height and resolution of the picture of the multi-channel video to be played;
and judging each video piece as follows: when the image width, height, width resolution and height resolution of the video are all smaller than the width wO, height hO, width resolution AWO and height resolution AHO of the split screen, outputting and displaying the video by using one split screen, and for each video which cannot meet the condition, automatically adjusting the image width and height of each video which cannot meet the condition by the video stream allocation terminal 2 so as to fully distribute the whole split screen; and the image definition monitoring modules 3 perform image definition detection on the display images of the automatically adjusted videos in the split screens, if the image definition meets the requirement, the width and the height of the split screens are not adjusted, otherwise, the width and the height of the split screens are adjusted, so that the image definition meets the display requirement, and finally, the resolution and the size of each row and each column are ensured to be less than or equal to the horizontal width W and the vertical height H of the corresponding horizontal resolution and the vertical resolution.
Preferably, in order to ensure the video playing effect of the playing device, the automatic split-screen implementation system automatically ensures that the minimum horizontal resolution and the minimum vertical resolution of each split-screen output window are > 32; namely, ensuring that: if the horizontal resolution ratio AW/horizontal split screen quantity WX of the video playing device is greater than or equal to 32, and the vertical resolution ratio AH/vertical split screen quantity WH of the video playing device is greater than or equal to 32, if the horizontal resolution ratio after split screen is less than 32 due to the fact that the split screen quantity N of the user resetting the playing device is too large, the value of the horizontal split screen quantity WX is automatically reduced step by 1 each time until the above conditions are met; if the vertical resolution after the split screen is less than 32 due to the fact that the split screen number N of the user reset playing equipment is too large, the value of the vertical split screen number WH is automatically reduced step by 1 each time until the above conditions are met.
Preferably, when the split screens are arranged in the image display screen terminal 1, the centers of the split screens are arranged symmetrically in rows and columns as much as possible to form a queue.
Preferably, when there is still a split-screen video-free stream to be displayed after all the video pairs are displayed by using the corresponding split screens, in order to ensure the definition of the image, the video streams of all the scaling sizes are scaled up, and the resolution and the size of each row and each column of the video streams after being scaled up are ensured to be less than or equal to the horizontal width W and the vertical height H of the corresponding horizontal resolution and the vertical resolution.
Preferably, in order to ensure the consistency and readability of the images, when each video stream is displayed in a split screen, the associated video streams are distributed in two adjacent split screens, and the boundaries of the two adjacent images are displayed in a butt joint mode, so that a large split screen display mode is formed.
Preferably, in order to facilitate the viewing and monitoring of the split-screen image by the viewing and monitoring personnel, the viewing and monitoring personnel can define the split-screen position display of the video stream at each fixed position according to the preference of the viewing and monitoring personnel or the requirement of observation convenience or memory, so that the viewer can find the image in time.
Preferably, in order to meet the requirement of arrangement of each video stream displayed in the image display screen terminal 1 by watching and monitoring personnel, the arrangement of each video stream in each split screen is performed through the video stream allocation terminal 2, but in the arrangement, the size and the resolution of the split screen are kept unchanged in a mode of realizing the split screen through the automatic split screen realization system before the split screen is installed.
Preferably, after the automatic screen division implementation system is used for screen division, a software display switch is arranged in each screen division, and the software display switch can be used for selecting corresponding video display of the switch so as to display or not display images.
The second embodiment is as follows:
an automatic split screen implementation method capable of being divided into screens with any playing number comprises an automatic split screen system capable of being divided into screens with any playing number, and the automatic split screen implementation method comprises the following steps;
step S1, acquiring the horizontal width W and vertical height H of the image display terminal 1: the resolution and size obtaining module 6 obtains the total resolution of the image display terminal 1, including obtaining the horizontal resolution AW and the vertical resolution AH of the image display terminal 1 of the video playing device;
step S2, the automatic screen splitting system obtains the width and height of the playing device, and the distance between the watching personnel and the monitoring personnel is set as follows: the viewing and monitoring personnel distance setting module 4 inputs the distance between the viewing and monitoring personnel and the image display terminal 1 and inputs the distance into the display screen terminal split screen control module 5, and the display screen terminal split screen control module 5 generates the minimum split screen image width WF and the minimum split screen image height HF according to the distance so as to ensure that the image can be clearly seen;
step S3, automatically generating the maximum number of split screens according to the width and height of the generated minimum split screen image, and combining the current horizontal width W and vertical height H of the image display terminal 1, where the height and width of each split screen are equal, where the following conditions are satisfied:
when the horizontal split screen amount wO and the vertical split screen amount hO of the image display terminal 1 of the playing device, wO & ltWF & gt is less than or equal to W & ltwO +1 & ltWF,
hO or HF or less and H or less and (hO +1) or more HF; the maximum screen splitting number N is obtained as follows: n ═ wO h O;
meanwhile, according to the horizontal resolution AW and the vertical resolution AH of the image display terminal 1, the horizontal resolution AWO and the vertical resolution AHO of the split screen are obtained, and then AWO is AW WF/W,
AHO＝AH＊HF/H；
step S4, the video stream allocating terminal 2 detects and identifies the image width, height and resolution of the picture of the multi-channel video to be played;
and judging each video piece as follows: when the image width, height, width resolution and height resolution of the video are all smaller than the width wO, height hO, width resolution AWO and height resolution AHO of the split screen, outputting and displaying the video by using one split screen, and for each video which cannot meet the condition, automatically adjusting the image width and height of each video which cannot meet the condition by the video stream allocation terminal 2 so as to fully distribute the whole split screen; the image definition monitoring modules 3 perform image definition detection on the display image of the automatically adjusted video in the split screen, if the image definition meets the requirement, the width and the height of the split screen are not adjusted, otherwise, the width and the height of the split screen are adjusted, so that the image definition meets the display requirement, and finally, the resolution and the size of each row and each column are ensured to be less than or equal to the horizontal width W and the vertical height H of the corresponding horizontal resolution and the vertical resolution
Step S5, in order to ensure image consistency and readability, when each video stream is displayed in a split screen, the associated video streams are allocated in two adjacent split screens, and the boundaries of the two adjacent images are displayed in a butt joint manner, so as to form a large split screen display manner.
Preferably, after the automatic screen division implementation system is used for screen division, a software display switch is arranged in each screen division, and the software display switch can be used for selecting corresponding video display of the switch so as to display or not display images.
It is noted that, herein, relational terms such as first and second, and the like may be 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. Also, 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.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. An automatic split-screen implementation system capable of being divided into screens with any playing quantity comprises an image display screen terminal (1) of a video playing device, a video stream allocation terminal (2), each split-screen image definition monitoring module (3), a watching and monitoring personnel distance setting module (4), a display screen terminal split-screen control module (5) and a resolution and size acquisition module (6) for acquiring the image display screen terminal (1);
the display screen terminal split screen control module (5) is respectively in data communication connection with the image display screen terminal (1), the video stream allocation terminal (2), each split screen image definition monitoring module (3), the watching and monitoring personnel distance setting module (4) and the image display screen resolution and size acquisition module (6); meanwhile, the image display screen resolution and size acquisition module (6) is also in data communication connection with the image display screen terminal (1); the video stream allocation terminal (2) and each split-screen image definition monitoring module (3) are also in data communication connection with the image display screen terminal (1);
the method is characterized in that:
the resolution and size acquisition module (6) acquires the total resolution of the image display terminal (1), including acquiring the horizontal resolution AW and the vertical resolution AH of the image display terminal (1) of a video playing device, and acquiring the horizontal width W and the vertical height H of the image display terminal (1);
the viewing and monitoring personnel distance setting module (4) inputs the distance between the viewing and monitoring personnel and the image display terminal (1), and inputs the distance into the display screen terminal split screen control module (5), and the display screen terminal split screen control module (5) generates the minimum split screen image width WF and height HF according to the distance so as to ensure that the image can be clearly seen;
automatically generating the maximum number of split screens according to the width and the height of the generated minimum split screen image and combining the horizontal width W and the vertical height H of the current image display terminal (1), wherein the height and the width of each split screen are equal, and the following conditions are met:
when the number of horizontal split screens W0 and the number of vertical split screens h0 of the image display terminal (1) of the playback apparatus are equal to or less than W0 ANGSTROM (W0+1 ANGSTROM),
h0 < H > HF < H > is less than or equal to (H0+1) < H > HF; the maximum screen splitting number N is obtained as follows: n-w 0 h 0;
meanwhile, according to the horizontal resolution AW and the vertical resolution AH of the image display terminal (1), the horizontal resolution AW0 and the vertical resolution AH0 of split screen are obtained, AW0 is AW WF/W,
AH0＝AH＊HF/H；
the video stream allocation terminal (2) detects and identifies the image width, height and resolution of the picture of a plurality of paths of videos to be played;
and judging each video piece as follows: when the image width, height, width resolution and height resolution of the video are all smaller than the width w0, height h0, width resolution AW0 and height resolution AH0 of split screens, the video is output and displayed by one split screen, and for each video which cannot meet the condition, the video stream allocation terminal (2) automatically adjusts the image width and height of each video which cannot meet the condition so as to fully distribute the whole split screen; and each split-screen image definition monitoring module (3) carries out image definition detection on a display image of the automatically adjusted video in the split screen, if the image definition meets the requirement, the width and the height of the split screen are not adjusted, otherwise, the width and the height of the split screen are adjusted, so that the image definition meets the display requirement, and finally, the resolution and the size of each row and each column are ensured to be smaller than or equal to the horizontal width W and the vertical height H of the corresponding horizontal resolution and the vertical resolution.
2. The system for realizing automatic screen splitting according to claim 1, wherein the system comprises: in order to ensure the video playing effect of the playing device, the automatic split-screen implementation system automatically ensures that the minimum horizontal resolution and the vertical resolution of each split-screen output window are 32; namely, ensuring that: if the horizontal resolution ratio AW/horizontal split screen quantity WX of the video playing device is greater than or equal to 32, and the vertical resolution ratio AH/vertical split screen quantity WH of the video playing device is greater than or equal to 32, if the horizontal resolution ratio after split screen is less than 32 due to the fact that the split screen quantity N of the user resetting the playing device is too large, the value of the horizontal split screen quantity WX is automatically reduced step by 1 each time until the above conditions are met; if the vertical resolution after the split screen is less than 32 due to the fact that the split screen number N of the user reset playing equipment is too large, the value of the vertical split screen number WH is automatically reduced step by 1 each time until the above conditions are met.
3. The system for realizing automatic screen splitting according to claim 1 or 2, wherein the system comprises: when the split screens are arranged in the image display screen terminal (1), the centers of the split screens are symmetrically arranged in rows and columns as far as possible to form a queue mode.
4. The system for realizing automatic screen splitting according to claim 1, wherein the system comprises: when all the video pairs are displayed by utilizing the corresponding split screens, and when split screen video-free streams still exist for displaying, in order to ensure the definition of images, all the video streams with the scaling sizes are proportionally expanded, and the resolution and the size of each row and each column of the expanded video streams are ensured to be less than or equal to the horizontal width W and the vertical height H of the corresponding horizontal resolution and the vertical resolution.
5. The system for realizing automatic screen splitting according to claim 2, wherein the system comprises: in order to ensure the consistency and readability of images, when each path of video stream is displayed in a split screen, the associated video stream is distributed in two adjacent split screens, and the boundaries of the two adjacent images are displayed in a butt joint mode so as to form a large split screen display mode for display.
6. The system for realizing automatic screen splitting according to claim 1, wherein the system comprises: in order to facilitate the watching and monitoring personnel to watch and monitor the split-screen images, the watching and monitoring personnel can define the split-screen position display of the video stream at each fixed position according to the preference of the watching and monitoring personnel or the observation convenience or the memory requirement, so that the image can be found by the watching personnel in time.
7. The system for realizing automatic split screen capable of being divided into any number of screens according to claim 1 or claim 6, wherein: in order to meet the requirement of arrangement of each path of video stream displayed in the image display screen terminal (1) by watching and monitoring personnel, the video stream allocation terminal (2) is used for arranging each path of video stream in each split screen, but in the arrangement, the size and the resolution of the split screen are kept unchanged in a mode of realizing the split screen by the automatic split screen realization system before the split screen is installed.
8. The system for realizing automatic screen splitting according to claim 1, wherein the system comprises: after the automatic split screen realization system is used for split screen, a software display switch is arranged in each split screen, and the corresponding video display of the switch can be selected through the software display switch so as to display or not display images.
9. An automatic split screen implementation method capable of being divided into screens with any number of playing numbers, comprising the automatic split screen system capable of being divided into screens with any number of playing numbers as claimed in any one of claims 1 to 8, wherein the automatic split screen implementation method is as follows;
step S1, acquiring a horizontal width W and a vertical height H of the image display terminal (1): the resolution and size acquisition module (6) acquires the total resolution of the image display terminal (1), including acquiring the horizontal resolution AW and the vertical resolution AH of the image display terminal (1) of a video playing device;
step S2, the automatic screen splitting system obtains the width and height of the playing device, and the distance between the watching personnel and the monitoring personnel is set as follows: the viewing and monitoring personnel distance setting module (4) inputs the distance between the viewing and monitoring personnel and the image display terminal (1), and inputs the distance into the display screen terminal split screen control module (5), and the display screen terminal split screen control module (5) generates the minimum split screen image width WF and height HF according to the distance so as to ensure that the image can be clearly seen;
step S3, automatically generating the maximum number of split screens according to the width and height of the generated minimum split screen image and combining the horizontal width W and the vertical height H of the current image display terminal (1), wherein the height and the width of each split screen are equal, and the following conditions are satisfied:
when the number of horizontal split screens W0 and the number of vertical split screens h0 of the image display terminal (1) of the playback apparatus are equal to or less than W0 ANGSTROM (W0+1 ANGSTROM),
h0 < H > HF < H > is less than or equal to (H0+1) < H > HF; the maximum screen splitting number N is obtained as follows: n-w 0 h 0;
meanwhile, according to the horizontal resolution AW and the vertical resolution AH of the image display terminal (1), the horizontal resolution AW0 and the vertical resolution AH0 of split screen are obtained, AW0 is AW multiplied by WF/W,
AH0＝AH＊HF/H；
step S4, the video stream allocation terminal (2) detects and identifies the image width, height and resolution of the picture of the multi-channel video to be played;
and judging each video piece as follows: when the image width, height, width resolution and height resolution of the video are all smaller than the width w0, height h0, width resolution AW0 and height resolution AH0 of split screens, the video is output and displayed by one split screen, and for each video which cannot meet the condition, the video stream allocation terminal (2) automatically adjusts the image width and height of each video which cannot meet the condition so as to fully distribute the whole split screen; the split-screen image definition monitoring modules (3) carry out image definition detection on display images of the automatically adjusted videos in the split screens, if the image definition meets requirements, the width and the height of the split screens are not adjusted, otherwise, the width and the height of the split screens are adjusted, so that the image definition meets the display requirements, and finally, the resolution and the size of each row and each column are ensured to be smaller than or equal to the horizontal width W and the vertical height H of the corresponding horizontal resolution and the vertical resolution; step S5, in order to ensure image consistency and readability, when each video stream is displayed in a split screen, the associated video streams are allocated in two adjacent split screens, and the boundaries of the two adjacent images are displayed in a butt joint manner, so as to form a large split screen display manner.
10. The method of claim 9, wherein: after the automatic split screen implementation system is used for split screen, a software display switch is arranged in each split screen, and the software display switch can be used for selecting the corresponding video display of the switch so as to display or not display images.
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