CN105487834A - Splice wall return display method and system - Google Patents
Splice wall return display method and system Download PDFInfo
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- CN105487834A CN105487834A CN201510934096.3A CN201510934096A CN105487834A CN 105487834 A CN105487834 A CN 105487834A CN 201510934096 A CN201510934096 A CN 201510934096A CN 105487834 A CN105487834 A CN 105487834A
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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
- G06F3/1446—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 display composed of modules, e.g. video walls
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Abstract
The invention relates to a splice wall return display method and system. The splice wall return display method comprises the following steps: establishing a first video memory pool texture and a system memory pool texture corresponding to various video cards of a splice wall; drawing an image signal displayed by a corresponding display window on the first video memory pool texture when an image signal rendering thread of the splice wall is operated; and, when a return display data sending thread is operated, obtaining a reduced first video memory pool texture image through the system memory pool texture, reducing image signal data in the system memory pool texture corresponding to various video cards into a complete image according to corresponding video card coordinate information, sending to a return display client side after coding, and displaying the image signal of the splice wall in a return manner. Influence to the performance of the video card can be effectively reduced, such that various signals on a large screen can be smoothly displayed when return display of the whole wall of the splice wall is carried out; and the return display frame rate can also be increased correspondingly.
Description
Technical field
The present invention relates to tiled display technical field, particularly relate to a kind of combination echo method and system.
Background technology
Along with the quickening of information computerization paces, the industries such as electric power, public security, traffic are more and more paid attention to setting up informatization platform and are carried out monitoring and scheduling.Most of informatization platform all uses large-screen splicing wall to carry out centralized displaying, its advantage is that visual effect is good, monitor message is clear, but, weak point is when platform user needs to understand full screen display information in real time, combination location must be arrived check, substantially increase the complexity of Dynamic System, reduce the work efficiency of user, therefore, informatization platform realizes whole mural painting face echo, make signals all on combination can be presented at PC end or Pad end, be convenient to user's command scheduling, become an important trend.
For the video-splicing system such as combination using PC framework, the mode that tradition realizes whole wall echo is all output data by catching screen substantially, it has larger impact to the performance of video card, to such an extent as to when echo, the abnormal card of corresponding picture signal display, thus affect the effect of combination echo.
Summary of the invention
Based on this, be necessary the technical matters affecting combination echo effect for traditional approach, a kind of combination echo method and system is provided.
A kind of combination echo method, comprises the steps:
Create the first video memory pond texture corresponding to each video card of combination and Installed System Memory pond texture;
When the picture signal of combination plays up thread operation, the first video memory pond texture is drawn the picture signal of corresponding display window display;
When echo data transmission line journey is run, by Installed System Memory pond texture acquirement to the first video memory pond texture image after reducing, image signal data in Installed System Memory pond texture corresponding for each video card is reduced into a complete image according to corresponding video card coordinate information, be sent to echo control end after coding, echo is carried out to the picture intelligence of described combination.
A kind of combination echo system, comprising:
First creation module, for creating the first video memory pond texture corresponding to each video card of combination and Installed System Memory pond texture;
First drafting module, during for playing up thread operation in the picture signal of combination, the first video memory pond texture is drawn the picture signal of corresponding display window display;
First echo module, when echo data transmission line journey is run, by Installed System Memory pond texture acquirement to the first video memory pond texture image after reducing, image signal data in Installed System Memory pond texture corresponding for each video card is reduced into a complete image according to corresponding video card coordinate information, be sent to echo control end after coding, echo is carried out to the picture intelligence of described combination.
Above-mentioned combination echo method and system, by creating the first video memory pond texture corresponding to each video card of combination and Installed System Memory pond texture, utilize the picture signal of the corresponding display window display of above-mentioned first video memory pond texture rendering, when echo data transmission line journey is run, by Installed System Memory pond texture acquirement to the first video memory pond texture image after reducing, image signal data in Installed System Memory pond texture corresponding for each video card is reduced into a complete image according to corresponding video card coordinate information, echo control end is sent to after coding, thus realize the echo of combination picture signal, make the time decreased of catching whole combination picture signal, and the impact effectively reduced video card capabilities, so that when carrying out the whole wall echo of combination, various signals on giant-screen can smooth show, echo frame per second also can correspondingly improve, there is better Consumer's Experience.
Accompanying drawing explanation
Fig. 1 is the combination echo method flow diagram of an embodiment;
Fig. 2 is the combination echo system architecture schematic diagram of an embodiment.
Embodiment
Be described in detail below in conjunction with the embodiment of accompanying drawing to combination echo method and apparatus of the present invention.
With reference to figure 1, Figure 1 shows that the combination echo method flow diagram of an embodiment, comprise the steps:
S10, creates the first video memory pond texture RenderTex that each video card of combination is corresponding
iwith Installed System Memory pond texture SysTex
i;
In above-mentioned steps S10, creating the first video memory pond texture RenderTex corresponding to each video card
iwith Installed System Memory pond texture SysTex
ibefore, first can create the D3D equipment of its correspondence according to the feature such as hardware parameter and state value of each video card, in order to distribute other D3D resources, for each texture of follow-up establishment provides support.
Above-mentioned first video memory pond texture RenderTex
iresolution can be set to the true resolution 4w × h of corresponding video card, the resolution of Installed System Memory pond texture SysTexi for can arrange according to the arrayed feature of corresponding video card on combination, can reduce true resolution by its shared ratio in single screen resolution.
In one embodiment, described first video memory pond texture RenderTex
iresolution can be the true resolution 4w × h of corresponding video card, the resolution of Installed System Memory pond texture SysTexi can be
above-mentioned combination can be exported respectively up and down by two video cards, often open video card and have four output interfaces, wherein, w × h is the single screen resolution of corresponding video card, above-mentioned w can represent the single screen width of corresponding video card, above-mentioned h can represent the single screen height of corresponding video card, above-mentioned width and highly all representing with the form of pixel.
In one embodiment, above-mentioned steps S10, can also comprise before creating the step of the first video memory pond texture corresponding to each video card of combination and Installed System Memory pond texture:
Create the D3D equipment that each video card is corresponding, create the interface of the first video memory pond texture according to described D3D equipment; The first video memory pond texture corresponding to each video card of combination is created according to described interface.Other D3D resources can be distributed by above-mentioned D3D equipment, create the first video memory pond texture, the second video memory pond texture and Installed System Memory pond texture that each video card of combination is corresponding.
S20, when the picture signal of combination plays up thread operation, at the first video memory pond texture RenderTex
ithe picture signal of the corresponding display window display of upper drafting;
In one embodiment, above-mentioned steps S20, when the picture signal of combination plays up thread operation, can also comprise after the first video memory pond texture is drawn the step of the picture signal of corresponding display window display:
Be respectively each video card and create two the second video memory pond textures, above-mentioned two the second video memory pond textures can comprise CopyTexi1 and CopyTexi2;
By described first video memory pond texture RenderTex
ion picture signal be plotted on corresponding two the second video memory pond texture CopyTexi1 and CopyTexi2 in an alternating manner respectively;
When combination echo data transmission line journey is run, the picture signal on two the second video memory pond texture CopyTexi1 and CopyTexi2 is copied to Installed System Memory pond texture SysTex in an alternating manner
i;
When signal plays up thread operation, that is given tacit consent to corresponding video card by the image rendering in each Installed System Memory pond texture presents on texture, carries out echo to shown picture signal.
In the present embodiment, can according to orders such as the times of picture signal one by one by described first video memory pond texture RenderTex
ion picture signal be plotted in respectively in an alternating manner on corresponding two the second video memory pond texture CopyTexi1 and CopyTexi2.The resolution of above-mentioned two the second video memory pond texture CopyTexi1 and CopyTexi2 can be arranged according to the arrayed feature of corresponding video card on combination, reduces true resolution by its shared ratio in single screen resolution.
As an embodiment, the resolution of above-mentioned second video memory pond texture can be
wherein, w × h is the single screen resolution of corresponding video card, and above-mentioned w can represent the single screen width of corresponding video card, and above-mentioned h can represent the single screen width of corresponding video card, above-mentioned width and highly all representing with the form of pixel.
S30, when echo data transmission line journey is run, by Installed System Memory pond texture acquirement to the first video memory pond texture image after reducing, image signal data in Installed System Memory pond texture corresponding for each video card is reduced into a complete image according to corresponding video card coordinate information, be sent to echo client after coding, echo is carried out to the picture intelligence of described combination.
When signal play up thread complete on the first video memory pond texture the whole wall picture signal of combination draw time, in an alternating manner respectively by the Plotting data in each texture on the second video memory pond texture created before, then in combination echo data transmission line journey, respectively the image signal data in the second video memory pond texture of every each video card is copied in the texture of Installed System Memory pond in an alternating manner, data in the texture of all video card Installed System Memory ponds are combined into a complete image successively by respective coordinates, recompression for H.264 or the form such as JPEG send to the control end of combination to show, meanwhile, play up thread in drafting, present whole wall picture signal, be not subject to the impact of combination data transmission line journey.
Combination echo method provided by the invention, by creating the first video memory pond texture corresponding to each video card of combination and Installed System Memory pond texture, utilize the picture signal of the corresponding display window display of above-mentioned first video memory pond texture rendering, and the picture signal on the first video memory pond texture is plotted in an alternating manner respectively on corresponding two the second video memory pond textures, when combination echo data transmission line journey is run, after picture signal on two the second video memory pond textures is copied to Installed System Memory pond texture in an alternating manner, the picture signal of each Installed System Memory pond texture is reduced into a complete image according to the coordinate information of corresponding video card, echo client is sent to after coding, echo is carried out to the picture intelligence of described combination, make the time decreased of catching whole combination picture signal, and the impact effectively reduced video card capabilities, so that when carrying out the whole wall echo of combination, various signals on giant-screen can smooth show, echo frame per second also can correspondingly improve, there is better Consumer's Experience.
With reference to figure 2, Figure 2 shows that the combination echo system architecture schematic diagram of an embodiment, comprising:
First creation module 10, for creating the first video memory pond texture corresponding to each video card of combination and Installed System Memory pond texture;
In one embodiment, can also comprise before above-mentioned first creation module 10:
3rd creation module, for creating D3D equipment corresponding to each video card, creates the interface of the first video memory pond texture according to described D3D equipment; The first video memory pond texture corresponding to each video card of combination is created according to described interface.
First drafting module 20, during for playing up thread operation in the picture signal of combination, the first video memory pond texture is drawn the picture signal of corresponding display window display;
In one embodiment, can also comprise after above-mentioned first drafting module 20:
Second creation module, creates two the second video memory pond textures for being respectively each video card;
Second drafting module, for being plotted in corresponding two the second video memory pond textures in an alternating manner respectively by the picture signal on described first video memory pond texture;
Copy module, for when combination echo data transmission line journey is run, is copied to Installed System Memory pond texture in an alternating manner by the picture signal on two the second video memory pond textures;
Second echo module, during for playing up thread operation at signal, that is given tacit consent to corresponding video card by the image rendering in each system memory pool texture presents on texture, carries out echo to shown picture signal.
As an embodiment, the resolution of above-mentioned second video memory pond texture is
wherein, w × h is the single screen resolution of corresponding video card.
First echo module 30, for when echo data transmission line journey is run, by Installed System Memory pond texture acquirement to the first video memory pond texture image after reducing, image signal data in Installed System Memory pond texture corresponding for each video card is reduced into a complete image according to corresponding video card coordinate information, be sent to echo client after coding, echo is carried out to the picture intelligence of described combination.
Combination echo device provided by the invention and combination echo method one_to_one corresponding provided by the invention, the technical characteristic of setting forth in the embodiment of described combination echo method and beneficial effect thereof are all applicable to, in the embodiment of combination echo device, hereby state.
Each technical characteristic of the above embodiment can combine arbitrarily, for making description succinct, the all possible combination of each technical characteristic in above-described embodiment is not all described, but, as long as the combination of these technical characteristics does not exist contradiction, be all considered to be the scope that this instructions is recorded.
The above embodiment only have expressed several embodiment of the present invention, and it describes comparatively concrete and detailed, but can not therefore be construed as limiting the scope of the patent.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.
Claims (10)
1. a combination echo method, is characterized in that, comprises the steps:
Create the first video memory pond texture corresponding to each video card of combination and Installed System Memory pond texture;
When the picture signal of combination plays up thread operation, the first video memory pond texture is drawn the picture signal of corresponding display window display;
When echo data transmission line journey is run, by Installed System Memory pond texture acquirement to the first video memory pond texture image after reducing, image signal data in Installed System Memory pond texture corresponding for each video card is reduced into a complete image according to corresponding video card coordinate information, be sent to echo control end after coding, echo is carried out to the picture intelligence of described combination.
2. combination echo method according to claim 1, is characterized in that, when the described picture signal at combination plays up thread operation, also comprises after the first video memory pond texture is drawn the step of the picture signal of corresponding display window display:
Be respectively each video card and create two the second video memory pond textures;
Picture signal on described first video memory pond texture is plotted in an alternating manner respectively on corresponding two the second video memory pond textures;
When combination echo data transmission line journey is run, the picture signal on two the second video memory pond textures is copied to Installed System Memory pond texture in an alternating manner;
When signal plays up thread operation, that is given tacit consent to corresponding video card by the image rendering in each system memory pool texture presents on texture, carries out echo to shown picture signal.
3. combination echo method according to claim 2, is characterized in that, the resolution of described second video memory pond texture is
wherein, w × h is the single screen resolution of corresponding video card.
4. combination echo method according to claim 1, is characterized in that, also comprises before the step of the first video memory pond texture that described each video card of establishment combination is corresponding and Installed System Memory pond texture:
Create the D3D equipment that each video card is corresponding, create the interface of the first video memory pond texture according to described D3D equipment; The first video memory pond texture corresponding to each video card of combination is created according to described interface.
5. combination echo method according to claim 1, is characterized in that, the resolution of described first video memory pond texture is the true resolution of corresponding video card.
6. combination echo method according to claim 2, is characterized in that, the resolution of described Installed System Memory pond texture is
wherein, w × h is the single screen resolution of corresponding video card.
7. a combination echo system, is characterized in that, comprising:
First creation module, for creating the first video memory pond texture corresponding to each video card of combination and Installed System Memory pond texture;
First drafting module, during for playing up thread operation in the picture signal of combination, the first video memory pond texture is drawn the picture signal of corresponding display window display;
First echo module, for when echo data transmission line journey is run, by Installed System Memory pond texture acquirement to the first video memory pond texture image after reducing, image signal data in Installed System Memory pond texture corresponding for each video card is reduced into a complete image according to corresponding video card coordinate information, be sent to echo control end after coding, echo is carried out to the picture intelligence of described combination.
8. combination echo system according to claim 7, is characterized in that, also comprises after described first drafting module:
Second creation module, creates two the second video memory pond textures for being respectively each video card;
Second drafting module, for being plotted in corresponding two the second video memory pond textures in an alternating manner respectively by the picture signal on described first video memory pond texture;
Copy module, for when combination echo data transmission line journey is run, is copied to Installed System Memory pond texture in an alternating manner by the picture signal on two the second video memory pond textures;
Second echo module, during for playing up thread operation at signal, that is given tacit consent to corresponding video card by the image rendering in each system memory pool texture presents on texture, carries out echo to shown picture signal.
9. combination echo system according to claim 8, is characterized in that, the resolution of described second video memory pond texture is
wherein, w × h is the single screen resolution of corresponding video card.
10. combination echo system according to claim 7, is characterized in that, also comprises before described first creation module:
3rd creation module, for creating D3D equipment corresponding to each video card, creates the interface of the first video memory pond texture according to described D3D equipment; The first video memory pond texture corresponding to each video card of combination is created according to described interface.
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| CN201510934096.3A CN105487834B (en) | 2015-12-14 | 2015-12-14 | Combination echoes method and system |
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| CN105843578A (en) * | 2016-06-08 | 2016-08-10 | 广东威创视讯科技股份有限公司 | Splicing wall back-display method, splicing wall back-display device and splicing wall back-display system |
| CN105867870A (en) * | 2016-05-04 | 2016-08-17 | 广东威创视讯科技股份有限公司 | Back-display method and device of spliced wall windows |
| CN111143014A (en) * | 2019-12-30 | 2020-05-12 | 威创集团股份有限公司 | Method and system for generating scene thumbnail of wall splicing system |
| CN111752510A (en) * | 2019-03-29 | 2020-10-09 | 杭州海康威视系统技术有限公司 | Television wall playback method and device |
| CN113014964A (en) * | 2021-03-04 | 2021-06-22 | 深圳市东微智能科技股份有限公司 | Method, device and system for generating spliced wall echo code stream and readable storage medium |
| CN113316022A (en) * | 2020-02-27 | 2021-08-27 | 杭州海康威视系统技术有限公司 | Video playing method, device, equipment, system and storage medium |
| CN113727175A (en) * | 2021-08-11 | 2021-11-30 | 西安诺瓦星云科技股份有限公司 | Multi-channel video source playback method and system and display control equipment |
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| CN105867870A (en) * | 2016-05-04 | 2016-08-17 | 广东威创视讯科技股份有限公司 | Back-display method and device of spliced wall windows |
| CN105867870B (en) * | 2016-05-04 | 2018-11-02 | 广东威创视讯科技股份有限公司 | The echo method and apparatus of combination window |
| CN105843578A (en) * | 2016-06-08 | 2016-08-10 | 广东威创视讯科技股份有限公司 | Splicing wall back-display method, splicing wall back-display device and splicing wall back-display system |
| CN105843578B (en) * | 2016-06-08 | 2019-01-29 | 广东威创视讯科技股份有限公司 | A kind of combination echo method, apparatus and system |
| CN111752510A (en) * | 2019-03-29 | 2020-10-09 | 杭州海康威视系统技术有限公司 | Television wall playback method and device |
| CN111752510B (en) * | 2019-03-29 | 2023-03-28 | 杭州海康威视系统技术有限公司 | Television wall playback method and device |
| CN111143014A (en) * | 2019-12-30 | 2020-05-12 | 威创集团股份有限公司 | Method and system for generating scene thumbnail of wall splicing system |
| CN111143014B (en) * | 2019-12-30 | 2021-12-07 | 威创集团股份有限公司 | Method and system for generating scene thumbnail of wall splicing system |
| CN113316022A (en) * | 2020-02-27 | 2021-08-27 | 杭州海康威视系统技术有限公司 | Video playing method, device, equipment, system and storage medium |
| CN113014964A (en) * | 2021-03-04 | 2021-06-22 | 深圳市东微智能科技股份有限公司 | Method, device and system for generating spliced wall echo code stream and readable storage medium |
| CN113727175A (en) * | 2021-08-11 | 2021-11-30 | 西安诺瓦星云科技股份有限公司 | Multi-channel video source playback method and system and display control equipment |
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