CN105635689A - Video controller - Google Patents
Video controller Download PDFInfo
- Publication number
- CN105635689A CN105635689A CN201610016164.2A CN201610016164A CN105635689A CN 105635689 A CN105635689 A CN 105635689A CN 201610016164 A CN201610016164 A CN 201610016164A CN 105635689 A CN105635689 A CN 105635689A
- Authority
- CN
- China
- Prior art keywords
- video
- monitoring frequency
- source
- pld
- display screen
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/18—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast
- H04N7/181—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast for receiving images from a plurality of remote sources
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/22—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources
- G09G3/30—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels
- G09G3/32—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED]
Abstract
The invention relates to a video controller. The video controller comprises a programmable logic device, a video processor chip, a microprocessor, a display screen used for pre-supervision and a dynamic random access memory, which are electrically connected to the programmable logic device, and a display screen used for human-machine interaction, which is electrically connected to the microprocessor, wherein the programmable logic device is used for selecting a to-be-processed video source for the video processor chip according to a human-machine interaction instruction from the microprocessor, selecting a pre-supervision video source for the display screen used for pre-supervision and being combined with the dynamic random access memory to process the selected pre-supervision video source to be displayed on the display screen used for pre-supervision. The video controller with the pre-supervision function, which is provided by the invention, has the advantages of simplicity in operation, convenience for use, high cost performance and convenience for carrying and storage, so that the condition that the video source is switched blindly to be unable to know whether the switched target video source is normal or not can be prevented, and a user can know fairly well when switching the video source.
Description
Technical field
The present invention relates to Display Technique field, particularly to a kind of Video Controller.
Background technology
LED display is in actual applications, it is frequently necessary to be shown on LED display by various video source, or need to switch to B video source to play in the midway playing A video source, if being made directly switching, just finding video source abnormal state after being likely to occur video source switching, what cause that LED display show is not be that user wants to show or intended content. So, in order to ensure reaching the effect oneself wanted after switching, it is necessary to can conveniently confirm the state in target video source and the content that will cut before the handover.
Fig. 1 is the module diagram of a kind of existing Video Controller. As it is shown in figure 1, it is such as STDP8028 chip, MCU (MicrocontrollerUnit, single-chip microcomputer) 13 and man-machine interaction liquid crystal display screen such as single color LCD screen that Video Controller 10 includes video processor chip 11. Wherein, MCU13 obtains the relevant information in the input video source of video processor chip 11 and sends and display and respond user operation to man-machine interaction liquid crystal display screen 15 and control video processor chip 11 and select A video source or video source B to carry out processing and the video source such as A video source output after processing displayed to video display terminal 20; Herein, video display terminal 20 is such as LED display screen system, and it is typically include sending card+receiving card+LED display; It will additionally be appreciated that MCU13 also can electrically connect input equipment such as button, knob etc. It is known that Video Controller 10 does not have premonitoring function from Fig. 1, thus video source switching is not had whether to ensure normally in some occasions to client, it is difficult to meet customer need.
Therefore, in actual applications, do not know that in order to avoid blind the cutting of video source switching whether normal the target video source of switching and in order to know what's what when accomplishing and switch, as shown in Figure 2, the premonitoring function that the external premonitoring device 31 of Video Controller 10 and premonitoring monitor 33 (such as liquid crystal display) realize, but although this scheme can realize premonitoring function, however it is necessary that extra premonitoring device and premonitoring monitor, carry storage inconvenience, and add the cost of whole product self and the cost of transport, storage.
Summary of the invention
Therefore, the present invention switches to prevent video source blind cutting and do not know that whether the target source of switching normal and in order to know what's what when accomplishing and switch, it is provided that a kind of Video Controller with premonitoring function.
Specifically, the embodiment of the present invention proposes a kind of Video Controller, and including video processor chip, microprocessor and man-machine interaction display screen, described microprocessor electrically connects described man-machine interaction display screen. furthermore, described Video Controller also includes: PLD and electrically connect premonitoring display screen and the dynamic RAM of described PLD, described video processor chip electrically connects described PLD, described microprocessor electrically connects described PLD, it is that described video processor chip selects video source to be processed and selects pre-monitoring frequency source for described premonitoring display screen and display to deliver to described premonitoring display screen in conjunction with the pre-monitoring frequency source that the process of described dynamic RAM is selected that described PLD is used for according to the man-machine interaction instruction coming from described microprocessor.
In one embodiment of the invention, described microprocessor is single-chip microcomputer, and described man-machine interaction display screen is single color display screen, and described premonitoring display screen is colorful display screen.
In one embodiment of the invention, described man-machine interaction display screen and described premonitoring display screen are arranged on the control panel of casing of described Video Controller.
In one embodiment of the invention, described video processor chip includes video input mouth and video output, described video input mouth electrically connects described PLD for obtaining video source to be processed, and described video output electrically connects described PLD and delivers to described PLD for by the process rear video source of described video processor chip.
In one embodiment of the invention, described PLD specifically for selecting the first video source being simultaneously entered to first video source and the second video source of described PLD as described video processor chip video source to be processed and to select described second video source as the pre-monitoring frequency source of described premonitoring display screen according to the man-machine interaction instruction coming from described microprocessor.
In one embodiment of the invention, described PLD includes video input module, pre-monitoring frequency processing module, video scaling processing module, memory access controls module and driver module, described video input module is used for receiving the video source of input and according to the man-machine interaction instruction from described microprocessor from inputting to multiple video source of described video input module as described video processor chip selection video source to be processed, it is that described premonitoring display screen selects pre-monitoring frequency source that described pre-monitoring frequency processing module is used for according to the man-machine interaction instruction from described microprocessor, described video scaling processing module controls module buffer memory extremely described dynamic RAM for utilizing described memory access after described pre-monitoring frequency source is zoomed in and out process, described driver module shows described pre-monitoring frequency source for utilizing the described memory access control module pre-monitoring frequency source from described dynamic RAM reading buffer memory the pre-monitoring frequency source driving according to reading to control described premonitoring display screen, pre-monitoring frequency source selected in it derives from the process rear video source of video source or the described video processor chip delivering to described pre-monitoring frequency processing module from described video input module.
In one embodiment of the invention, described PLD also includes the second video scaling processing module, and described Video Controller also includes pre-monitoring frequency output interface and described pre-monitoring frequency output interface is standard video interface; It is that described pre-monitoring frequency output interface selects pre-monitoring frequency source that described pre-monitoring frequency processing module is additionally operable to according to the man-machine interaction instruction from described microprocessor, and described second video scaling processing module is for delivering to described pre-monitoring frequency output interface after the pre-monitoring frequency source of described pre-monitoring frequency output interface is zoomed in and out process.
In one embodiment of the invention, described Video Controller also includes pre-monitoring frequency output interface, and it is that described pre-monitoring frequency output interface selects pre-monitoring frequency source and zooms in and out process to deliver to described pre-monitoring frequency output interface that described PLD is additionally operable to according to the man-machine interaction instruction coming from described microprocessor.
In one embodiment of the invention, described Video Controller also includes the second PLD, network transmission module and network interface, the video output of the described second PLD described video processor chip of electrical connection or described PLD are to obtain the process rear video source of described video processor chip, and described network transmission module is connected electrically between described second PLD and described network interface.
In one embodiment of the invention, described PLD is FPGA device.
As from the foregoing, the embodiment of the present invention proposes the Video Controller with premonitoring function, it is simple to operate, easy to use, cost performance is high and carries storage conveniently, and is prevented from blind the cutting of video source switching and does not know that whether the target video source of switching is normal, accomplishes to know what's what when switching.
By the detailed description below with reference to accompanying drawing, other side and the feature of the present invention become apparent upon. It is understood that this accompanying drawing is only the purpose design of explanation, not as the restriction of the scope of the present invention. It should also be noted that unless otherwise noted, it is not necessary to scale accompanying drawing, they only try hard to structure described herein and flow process are described conceptually.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in detail.
Fig. 1 is the module diagram of the Video Controller of a kind of function without premonitoring of the prior art.
Fig. 2 adopts Video Controller shown in Fig. 1 to realize the system architecture schematic diagram of premonitoring function in prior art.
Fig. 3 is the module diagram of a kind of Video Controller with premonitoring function that the embodiment of the present invention proposes.
A kind of premonitoring that Fig. 4 is Video Controller shown in Fig. 3 realizes process schematic.
The another kind of premonitoring that Fig. 5 is Video Controller shown in Fig. 3 realizes process schematic.
Fig. 6 is the module diagram that the another kind that the embodiment of the present invention proposes has the Video Controller of premonitoring function.
Detailed description of the invention
Understandable for enabling the above-mentioned purpose of the present invention, feature and advantage to become apparent from, below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in detail.
Referring to Fig. 3, a kind of Video Controller 300 with premonitoring function that the present embodiment proposes includes: PLD 310, video processor chip 320, MCU330, man-machine interaction liquid crystal display screen 340, pre-monitoring frequency output interface 350, premonitoring liquid crystal display screen 360 and dynamic RAM 370. Wherein, PLD 310 is such as field programmable gate array (FieldProgrammableGateArray, FPGA) device or other similar logical devices; Video processor chip 320 electrically connects PLD 310, and it is such as STDP8028 chip or other video processor chip such as FLI32626 chip etc.; MCU330 electrically connects PLD 310 and man-machine interaction liquid crystal display screen 340, and being used for responding user operation provides man-machine interaction instruction to provide man-machine interaction menu image to display to PLD 310 and to man-machine interaction liquid crystal display screen 340; Man-machine interaction liquid crystal display screen 340 is such as single color LCD screen; Pre-monitoring frequency output interface 350 electrically connects PLD 310 and it is standard video interface such as HDMI or DVI interface etc.; Premonitoring liquid crystal display screen 360 is such as TFT LCDs; Dynamic RAM 370 is such as the memorizeies such as SDRAM, and it can as video source buffer memory. Furthermore, from physical arrangement Layout-Angle, on the circuit board that PLD 310, video processor chip 320, MCU330, pre-monitoring frequency output interface 350 and dynamic RAM 370 are such as provided in being installed in the casing of Video Controller 300, and man-machine interaction liquid crystal display screen 340 and premonitoring liquid crystal display screen 360 are such as provided on the control panel of casing.
Holding above-mentioned, PLD 310 includes: video input module 311, pre-monitoring frequency processing module 313, video scaling processing module 315, video scaling processing module 317, memory access control module 318 and driver module 319.
Wherein, video input module 311 is for receiving the video source inputs such as DVI, HDMI and the man-machine interaction instruction according to MCU330 selects input to deliver to video processor chip 320 to which video source in video input module 311 by the video input mouth of video processor chip 320 to carry out the video source after being processed; Pre-monitoring frequency processing module 313 selects pre-monitoring frequency output interface 350 and the premonitoring video source image sources of liquid crystal display screen 360 for the man-machine interaction instruction according to MCU330, the optional video source deriving from video input module 311 or the video source deliver to the process of pre-monitoring frequency processing module 313 via the video output of video processor chip 320 after; Video scaling processing module 315 arranges corresponding zooming parameter according to the pre-monitoring frequency source that pre-monitoring frequency processing module 313 is video scaling processing module 315 selection and carries out video scaling process, and exports to pre-monitoring frequency output interface 350 with standard resolution (such as 1080P) or User Defined resolution after scaling; Video scaling processing module 317 arranges corresponding zooming parameter for the pre-monitoring frequency source that the actual pixels point width according to premonitoring liquid crystal display screen 360 high (namely resolution) and pre-monitoring frequency processing module 313 are video scaling processing module 317 selection and carries out video scaling process, and the video image after convergent-divergent controls module 318 by memory access and writes dynamic RAM 370; Memory access controls module 318 and by corresponding vedio data write dynamic RAM 370 or reads from dynamic RAM 370 for the read-write requests responding video scaling processing module 317 and driver module 319; Driver module 319 reads the vedio data of buffer memory from dynamic RAM 370 for controlling module 318 by memory access and processes, it is achieved exports premonitoring liquid crystal display screen 360 with fixing frame frequency and resolution and displays.
For ease of being more clearly understood that the present invention, describe premonitoring two kinds different in detail below in conjunction with Fig. 3, Fig. 4 and Fig. 5 and realize process.
Please also refer to Fig. 3 and Fig. 4, the situation that A video source and B video source be simultaneously entered currently is had for PLD 310, MCU330 responds user operation and sends man-machine interactive instruction to PLD 310, with inform PLD 310 currently show on video display terminal B video source and will on premonitoring liquid crystal display screen 360 premonitoring A video source and in pre-monitoring frequency output interface 350 premonitoring B video source, the B video source of input is delivered to video processor chip 320 according to the man-machine interaction instruction from MCU330 and is carried out the input of the B video source after being processed and be fed directly to pre-monitoring frequency processing module 313 to pre-monitoring frequency processing module 313 and by the A video source of input by the video input module 311 of PLD 310, furthermore video processor chip 320 process the process that B video source obtains after B video source also can be directly output to video display terminal or first input and be forwarded to video display terminal again to PLD 310 and play out display. afterwards, the pre-monitoring frequency processing module 313 man-machine interaction instruction according to MCU330, B video source after process being delivered on the one hand and export after video scaling processing module 315 carries out video scaling process to pre-monitoring frequency output interface 350, therefore user can check state and the content of B video source by connecting premonitoring monitor such as liquid crystal display or CRT monitor at pre-monitoring frequency output interface 350, on the other hand A video source is delivered to and write dynamic RAM 370 and carry out buffer memory through being controlled module 318 by memory access after video scaling processing module 317 carries out video scaling process, the A video source being read buffer memory by memory access control module 318 from dynamic RAM 370 by driver module 319 again drives control premonitoring liquid crystal display screen 360 to show A video source, thus user can check state and the content of A video source by premonitoring liquid crystal display screen 360, so far A video source and the premonitoring of B video source are realized.
In brief, realize in process in the premonitoring shown in Fig. 4, it is that video processor chip 320 selects video source to be processed and selects pre-monitoring frequency source for pre-monitoring frequency output interface 350 and premonitoring liquid crystal display screen 360 and carry out being processed for premonitoring that PLD 310 is mainly used in the man-machine interaction instruction of response MCU330, and pre-monitoring frequency output interface 350 is different with the pre-monitoring frequency source of premonitoring liquid crystal display screen 360.
Please also refer to Fig. 3 and Fig. 5, the situation that A video source and B video source be simultaneously entered currently is had for PLD 310, MCU330 responds user operation and sends man-machine interactive instruction to PLD 310, to inform that PLD 310 currently show B video source will in premonitoring liquid crystal display screen 360 and pre-monitoring frequency output interface 350 equal premonitoring A video source in advance on video display terminal, the B video source of input is delivered to video processor chip 320 according to the man-machine interaction instruction from MCU330 and is carried out the input of the B video source after being processed and be fed directly to pre-monitoring frequency processing module 313 to pre-monitoring frequency processing module 313 and by the A video source of input by the video input module 311 of PLD 310, furthermore video processor chip 320 process the process that obtains after B video source also can be directly output to video display terminal or first input and be forwarded to video display terminal again to PLD 310 and play out display. afterwards, the pre-monitoring frequency processing module 313 man-machine interaction instruction according to MCU330, user on the one hand A video source delivered to and exports to pre-monitoring frequency output interface 350 after video scaling processing module 315 carries out video scaling process, thus can check state and the content of A video source by connecting premonitoring monitor such as liquid crystal display or CRT monitor at pre-monitoring frequency output interface 350, on the other hand A video source is delivered to and write dynamic RAM 370 and carry out buffer memory through being controlled module 318 by memory access after video scaling processing module 317 carries out video scaling process, the A video source being read buffer memory by memory access control module 318 from dynamic RAM 370 by driver module 319 again drives control premonitoring liquid crystal display screen 360 to show A video source, thus user can check state and the content of A video source by premonitoring liquid crystal display screen 360, so far the premonitoring of A video source is realized.
In brief, realize in process in the premonitoring shown in Fig. 5, it is that video processor chip 320 selects video source to be processed and selects pre-monitoring frequency source for pre-monitoring frequency output interface 350 and premonitoring liquid crystal display screen 360 and carry out being processed for premonitoring that PLD 310 is mainly used in the man-machine interaction instruction of response MCU330, pre-monitoring frequency output interface 350 is identical with the pre-monitoring frequency source of premonitoring liquid crystal display screen 360, and the effect simply processed is likely to different.
In addition, realize process from both of the aforesaid premonitoring to be appreciated that, application scenario is switched in video source, utilize premonitoring liquid crystal display screen 360 can realize the purpose in the to be switched target video source of premonitoring, that is, in some embodiments it is possible to consider to omit the video scaling processing module 315 in the PLD 310 in Video Controller 300 and pre-monitoring frequency output interface 350.
Additionally, in other embodiments, video processor chip 320 processes the rear video source that processes obtained and is not limited to use conventional video display terminal to play out display (correspondingly as liquid crystal display or CRT monitor etc., video source after the process of video processor chip 320 can be directly output to the video output interface that connects for conventional video display terminal or first input to PLD 310 be forwarded to the video output interface connected for conventional video display terminal again by PLD 310), LED display screen system can also be delivered to display, such as by the modules in the Video Controller 300 shown in Fig. 3 together with the sending card Function Integration Mechanism in LED display control system to obtain the Video Controller with sending card function, such as shown in Fig. 6.
Specifically, in figure 6, Video Controller 600 is except including the modules 310��370 in the Video Controller 300 shown in Fig. 3, also have additional the second PLD 681, network transmission module 683 and multi-path network port 685 (such as two-way network interface or more multi-path network port), namely be additionally arranged sending card logic. Wherein, second PLD 681 is electrically connected after the pre-monitoring frequency processing module 313 (or video processor chip 320) of PLD 310 processes accordingly with the video source after obtaining the process of video processor chip 320 output carrying out and is sent by network transmission module 683 and network interface 685, is received via receiving card for LED display and shows; Furthermore, preferably by parallel TTL format transmission vedio data between second PLD 681 and PLD 310 (or video processor chip 320), and described TTL format video view data inputs to the second PLD 681 without signal format conversion after PLD 310 (or video processor chip 320) output; Certainly, the video source view data transmission between video processor chip 320 and PLD 310 can also adopt in parallel TTL form and transmitting procedure and change without signal format. As for other details of video processor chip technical scheme together with sending card logic integration are referred to Xi'an Novastar Electronic Technology Co., Ltd.'s application number application on 04 24th, 2014 Chinese invention patent application that to be 201410168285.X, denomination of invention be " LED display controls to block ", its described content quotation is in this composition part as the present invention.
Finally it is worth mentioning that, the man-machine interaction liquid crystal display screen 340 in previous embodiment can use other kinds of single color display screen even colorful display screen to replace, and premonitoring liquid crystal display screen 360 can use other kinds of colorful display screen to replace; Additionally, MCU330 can also use other microprocessors such as arm processor to replace.
In sum, the embodiment of the present invention proposes the Video Controller with premonitoring function, it is simple to operate, easy to use, cost performance is high and carries storage conveniently, and is prevented from blind the cutting of video source switching and does not know that whether the target video source of switching is normal, accomplishes to know what's what when switching.
The above, it it is only presently preferred embodiments of the present invention, not the present invention is done any pro forma restriction, although the present invention is disclosed above with preferred embodiment, but it is not limited to the present invention, any those skilled in the art, without departing within the scope of technical solution of the present invention, when the technology contents of available the disclosure above makes a little change or is modified to the Equivalent embodiments of equivalent variations, in every case it is without departing from technical solution of the present invention content, according to any simple modification that above example is made by the technical spirit of the present invention, equivalent variations and modification, all still fall within the scope of technical solution of the present invention.
Claims (10)
1. a Video Controller, including video processor chip, microprocessor and man-machine interaction display screen, described microprocessor electrically connects described man-machine interaction display screen, it is characterized in that, described Video Controller also includes: PLD and electrically connect premonitoring display screen and the dynamic RAM of described PLD, described video processor chip electrically connects described PLD, described microprocessor electrically connects described PLD, it is that described video processor chip selects video source to be processed and selects pre-monitoring frequency source for described premonitoring display screen and display to deliver to described premonitoring display screen in conjunction with the pre-monitoring frequency source that the process of described dynamic RAM is selected that described PLD is used for according to the man-machine interaction instruction coming from described microprocessor.
2. Video Controller as claimed in claim 1, it is characterised in that described microprocessor is single-chip microcomputer, and described man-machine interaction display screen is single color display screen, and described premonitoring display screen is colorful display screen.
3. Video Controller as claimed in claim 2, it is characterised in that described man-machine interaction display screen and described premonitoring display screen are arranged on the control panel of casing of described Video Controller.
4. Video Controller as claimed in claim 1, it is characterized in that, described video processor chip includes video input mouth and video output, described video input mouth electrically connects described PLD for obtaining video source to be processed, and described video output electrically connects described PLD and delivers to described PLD for by the process rear video source of described video processor chip.
5. Video Controller as claimed in claim 1, it is characterized in that, described PLD as described video processor chip video source to be processed and selects described second video source as the pre-monitoring frequency source of described premonitoring display screen specifically for selecting the first video source being simultaneously entered to first video source and the second video source of described PLD according to the man-machine interaction instruction coming from described microprocessor.
6. Video Controller as claimed in claim 1, it is characterized in that, described PLD includes video input module, pre-monitoring frequency processing module, video scaling processing module, memory access controls module and driver module, described video input module is used for receiving the video source of input and according to the man-machine interaction instruction from described microprocessor from inputting to multiple video source of described video input module as described video processor chip selection video source to be processed, it is that described premonitoring display screen selects pre-monitoring frequency source that described pre-monitoring frequency processing module is used for according to the man-machine interaction instruction from described microprocessor, described video scaling processing module controls module buffer memory extremely described dynamic RAM for utilizing described memory access after described pre-monitoring frequency source is zoomed in and out process, described driver module shows described pre-monitoring frequency source for utilizing the described memory access control module pre-monitoring frequency source from described dynamic RAM reading buffer memory the pre-monitoring frequency source driving according to reading to control described premonitoring display screen, pre-monitoring frequency source selected in it derives from the process rear video source of video source or the described video processor chip delivering to described pre-monitoring frequency processing module from described video input module.
7. Video Controller as claimed in claim 6, it is characterized in that, described PLD also includes the second video scaling processing module, and described Video Controller also includes pre-monitoring frequency output interface and described pre-monitoring frequency output interface is standard video interface; It is that described pre-monitoring frequency output interface selects pre-monitoring frequency source that described pre-monitoring frequency processing module is additionally operable to according to the man-machine interaction instruction from described microprocessor, and described second video scaling processing module is for delivering to described pre-monitoring frequency output interface after the pre-monitoring frequency source of described pre-monitoring frequency output interface is zoomed in and out process.
8. Video Controller as claimed in claim 1, it is characterized in that, described Video Controller also includes pre-monitoring frequency output interface, and it is that described pre-monitoring frequency output interface selects pre-monitoring frequency source and zooms in and out process to deliver to described pre-monitoring frequency output interface that described PLD is additionally operable to according to the man-machine interaction instruction coming from described microprocessor.
9. Video Controller as claimed in claim 1, it is characterized in that, described Video Controller also includes the second PLD, network transmission module and network interface, the video output of the described second PLD described video processor chip of electrical connection or described PLD are to obtain the process rear video source of described video processor chip, and described network transmission module is connected electrically between described second PLD and described network interface.
10. Video Controller as claimed in claim 1, it is characterised in that described PLD is FPGA device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610016164.2A CN105635689A (en) | 2016-01-12 | 2016-01-12 | Video controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610016164.2A CN105635689A (en) | 2016-01-12 | 2016-01-12 | Video controller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105635689A true CN105635689A (en) | 2016-06-01 |
Family
ID=56050125
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610016164.2A Pending CN105635689A (en) | 2016-01-12 | 2016-01-12 | Video controller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105635689A (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106028004A (en) * | 2016-07-25 | 2016-10-12 | 厦门视诚科技有限公司 | Multi-signal input and multi-image composition device and method |
| CN106375831A (en) * | 2016-09-21 | 2017-02-01 | 华东师范大学 | FPGA-based multi-dynamic video floating window system |
| CN107068041A (en) * | 2017-04-14 | 2017-08-18 | 西安诺瓦电子科技有限公司 | Video display controller and video display control method |
| CN107172365A (en) * | 2017-04-25 | 2017-09-15 | 西安诺瓦电子科技有限公司 | Video source premonitoring device and method and video display processor |
| CN107450388A (en) * | 2017-06-29 | 2017-12-08 | 华中光电技术研究所（中国船舶重工集团公司第七七研究所） | A kind of small-sized man-machine aobvious control platform based on flush type LINUX operating system |
| CN111277726A (en) * | 2018-12-05 | 2020-06-12 | 西安诺瓦星云科技股份有限公司 | Video processing apparatus |
| WO2021012246A1 (en) * | 2019-07-25 | 2021-01-28 | 西安诺瓦星云科技股份有限公司 | Multi-video signal previewing method and multi-video signal previewing system |
| CN112584217A (en) * | 2019-09-27 | 2021-03-30 | 西安诺瓦星云科技股份有限公司 | Picture identification method, device and system |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201499226U (en) * | 2009-06-19 | 2010-06-02 | 大连科迪视频技术有限公司 | SDI digital switcher with video special effect switching and mute switching functions |
| CN201928372U (en) * | 2010-11-15 | 2011-08-10 | 深圳市唯奥视讯技术有限公司 | Device for seamlessly switching various input video images |
| CN202093501U (en) * | 2011-01-07 | 2011-12-28 | 深圳市唯奥视讯技术有限公司 | Multi-frame combination preview contact control device for seamless switcher |
| CN202424876U (en) * | 2012-01-17 | 2012-09-05 | 深圳市迈普视通科技有限公司 | LED (light-emitting diode) video switching device with multi-frame predicting function |
| CN103533300A (en) * | 2013-04-16 | 2014-01-22 | 北京淳中视讯科技有限公司 | Image pre-monitoring method, image pre-monitoring device and image pre-monitoring system |
| CN104853065A (en) * | 2015-05-29 | 2015-08-19 | 北京中庆现代技术有限公司 | Dual broadcasting interface control platform |
-
2016
- 2016-01-12 CN CN201610016164.2A patent/CN105635689A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201499226U (en) * | 2009-06-19 | 2010-06-02 | 大连科迪视频技术有限公司 | SDI digital switcher with video special effect switching and mute switching functions |
| CN201928372U (en) * | 2010-11-15 | 2011-08-10 | 深圳市唯奥视讯技术有限公司 | Device for seamlessly switching various input video images |
| CN202093501U (en) * | 2011-01-07 | 2011-12-28 | 深圳市唯奥视讯技术有限公司 | Multi-frame combination preview contact control device for seamless switcher |
| CN202424876U (en) * | 2012-01-17 | 2012-09-05 | 深圳市迈普视通科技有限公司 | LED (light-emitting diode) video switching device with multi-frame predicting function |
| CN103533300A (en) * | 2013-04-16 | 2014-01-22 | 北京淳中视讯科技有限公司 | Image pre-monitoring method, image pre-monitoring device and image pre-monitoring system |
| CN104853065A (en) * | 2015-05-29 | 2015-08-19 | 北京中庆现代技术有限公司 | Dual broadcasting interface control platform |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106028004A (en) * | 2016-07-25 | 2016-10-12 | 厦门视诚科技有限公司 | Multi-signal input and multi-image composition device and method |
| CN106375831A (en) * | 2016-09-21 | 2017-02-01 | 华东师范大学 | FPGA-based multi-dynamic video floating window system |
| CN107068041A (en) * | 2017-04-14 | 2017-08-18 | 西安诺瓦电子科技有限公司 | Video display controller and video display control method |
| CN107172365A (en) * | 2017-04-25 | 2017-09-15 | 西安诺瓦电子科技有限公司 | Video source premonitoring device and method and video display processor |
| CN107450388A (en) * | 2017-06-29 | 2017-12-08 | 华中光电技术研究所（中国船舶重工集团公司第七七研究所） | A kind of small-sized man-machine aobvious control platform based on flush type LINUX operating system |
| CN111277726A (en) * | 2018-12-05 | 2020-06-12 | 西安诺瓦星云科技股份有限公司 | Video processing apparatus |
| WO2021012246A1 (en) * | 2019-07-25 | 2021-01-28 | 西安诺瓦星云科技股份有限公司 | Multi-video signal previewing method and multi-video signal previewing system |
| CN112584217A (en) * | 2019-09-27 | 2021-03-30 | 西安诺瓦星云科技股份有限公司 | Picture identification method, device and system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105635689A (en) | Video controller | |
| CN105657291A (en) | Video controller | |
| KR101713177B1 (en) | System and method for virtual displays | |
| US7240111B2 (en) | Apparatus and system for managing multiple computers | |
| US7685336B2 (en) | Keyboard-mouse-video switch with a digital visual interface | |
| US20060256033A1 (en) | Method and apparatus for displaying an image on at least two display panels | |
| KR20030041250A (en) | Device for controlling output of video data using double buffering | |
| JP7210652B2 (en) | Display system and display device | |
| CN110557580A (en) | Image signal switching and converting device and method | |
| KR102426034B1 (en) | Display device capable of switching image sources and operating system thereof | |
| US20140043236A1 (en) | Electronic device with switchable display screen, computer system thereof and method for switching display screen | |
| US11721302B2 (en) | Display device capable of switching display mode and method thereof | |
| US20190222757A1 (en) | Control method | |
| CN113038052B (en) | Digital video recorder, control method thereof, device storage medium and electronic device | |
| KR100828624B1 (en) | Share apparatus of input/output device and display system comprising the same | |
| US20150081930A1 (en) | Tablet computer | |
| WO2023092815A1 (en) | Multi-source input multi-screen tiling system and method, and display apparatus | |
| CN114007022A (en) | Video source switching method and device and LED display screen control system | |
| US20130021351A1 (en) | Method and system for controlling multimedia monitor | |
| CN204377068U (en) | A kind of touch display unit of changeable broadcasting ultra high-definition image | |
| US20200409502A1 (en) | Control method, display device and storage medium | |
| KR20210041928A (en) | A smart phone auxiliary input device through touch | |
| CN218273376U (en) | Multi-computer host switching device supporting radar coordinates | |
| KR102352791B1 (en) | Display device capable of switching image sources and operating system | |
| CN220367589U (en) | Multi-computer switching device capable of marking main control picture |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160601 |
|
| RJ01 | Rejection of invention patent application after publication |